CN102854052B - Bubble blending method and control system thereof - Google Patents
Bubble blending method and control system thereof Download PDFInfo
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- CN102854052B CN102854052B CN201210280370.6A CN201210280370A CN102854052B CN 102854052 B CN102854052 B CN 102854052B CN 201210280370 A CN201210280370 A CN 201210280370A CN 102854052 B CN102854052 B CN 102854052B
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Abstract
The invention discloses a bubble blending method and a control system thereof. The control system comprises a microprocessor module, a bubble control module and a pressure monitoring module, wherein the microprocessor module is used for setting parameters, the bubble control module is used for controlling corresponding channel electromagnetic valve switches and generating blending bubbles according to corresponding parameters, the pressure monitoring module is used for sending enable signals to the bubble control module according to corresponding parameters, the bubble control module and the pressure monitoring module are respectively in communication connection with the microprocessor module, the bubble control module is in communication connection with the pressure monitoring module, the pressure monitoring module is in communication connection with a pressure source, and the pressure source is in communication connection with the microprocessor module. The invention also discloses a bubble blending control method among the modules. According to the invention, the real-time property of bubbling in the process of blending is ensured; the pressure of the pressure source is subjected to real-time monitoring, so that the consistency of bubble sizes is ensured; and an effect of parallel processing can be achieved, thereby shortening the detection time and improving the detection efficiency.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of bubble mixing method and control system thereof.
Background technology
Blood cell analyzer has been widely used in hospital clinical inspection field as the instrument detected human body blood cell parameter, mainly provide the test parameters such as leucocyte, red blood cell, blood platelet, haemoglobin, test result is used for clinician to the diagnosis of conditions of patients.
Bubble mixing of the prior art refers to the switch of pressure source by solenoid valve, and injection pressure in mixing pond, makes it to form bubble, realizes the mixing to sample and reagent in mixing pond, as shown in Figure 1.
Current existing method is directly to bubble in mixing pond by micro-control unit controls, it is in test sample flow process, the switch of Serial Control solenoid valve is to form bubble, want monitor force to change while bubble, and the quantity of bubble is more, frequency is slower, more will take the processing time of micro-control unit, its testing process controls loaded down with trivial details, and affects test sample speed, reduces detection efficiency.
As can be seen here, prior art needs further to improve and develop.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of bubble mixing method and control system thereof, mix with bubble to realize automatic pumping bubble, improve detection efficiency.
Technical scheme of the present invention is as follows:
A kind of for controlling the control system that bubble blending device runs, it comprises the microprocessor module for setup parameter, wherein, described control system also comprises for also producing the mixing bubble control module of bubble and the pressure monitor module for sending enable signal to described bubble control module according to corresponding parameter according to corresponding state modulator respective channel electromagnetic valve switch, described bubble control module, described pressure monitor module communicates to connect with described microprocessor module respectively, described bubble control module is connected with described pressure monitor module communication, described pressure monitor module and pressure source communicate to connect, described pressure source and described microprocessor module communicate to connect.
Described control system, wherein, described microprocessor module is the parameter of described bubble control module setting bubble frequency, number of bubbles, bubble output channel, is the parameter of described pressure monitor module set pressure condition, pressure state information.
Described control system, wherein, described bubble control module is provided with bubble frequency interface, number of bubbles input interface and passage input interface, described bubble frequency interface, described number of bubbles input interface and described passage input interface all communicate to connect with described microprocessor module, and described passage input interface and described passage electromagnetic valve switch communicate to connect.
Described control system, wherein, described pressure monitor module installation pressure input interface and pressure state feedback interface, described pressure input interface and described microprocessor module communicate to connect, and described pressure state feedback interface and described pressure source communicate to connect.
A kind of bubble mixing method for bubble blending device, it comprises the following steps:
A, microprocessor module are that pressure monitor module sets corresponding parameter with bubble control module, described pressure monitor module is according to described corresponding parameter detecting, then testing result is fed back to described microprocessor module, according to described testing result, described microprocessor module judges whether pressure source exists fault, if NO, then described pressure monitor module controls described bubble control module and opens corresponding electromagnetic valve switch.
Described bubble mixing method, wherein, concrete the comprising of described steps A: described microprocessor module is the parameter of described bubble control module setting bubble frequency, number of bubbles, bubble output channel, is the parameter of described pressure monitor module set pressure condition, pressure state information.
Described bubble mixing method, wherein, concrete the comprising of described steps A: the speed that described bubble control module is upwards run by bubble in the corresponding electromagnetic valve switch of bubble frequency state modulator, by the bubble number passed through in the corresponding electromagnetic valve switch of number of bubbles state modulator; Corresponding electromagnetic valve switch is opened by bubble output channel state modulator;
Described pressure monitor module by the pressure described in pressure condition optimum configurations during pressure source work, and starts described bubble control module; Whether pressure when judging that described pressure source works by pressure state information parameter satisfies condition, and if yes, then starts described bubble control module.
Described bubble mixing method, wherein, concrete the comprising of described steps A: the pressure described in described pressure detection module installation during pressure source work, whether pressure when judging that described pressure source works by pressure state information parameter satisfies condition, if yes, then described pressure detection module generation enable signal starts described bubble control module; Described bubble control module opens corresponding electromagnetic valve switch according to described bubble output channel parameter, and described bubble control module is according to described bubble frequency parameter and the bubble running status in corresponding electromagnetic valve switch described in described number of bubbles state modulator.
A kind of bubble mixing method provided by the invention and control system thereof, the hardware mode of FPGA (Field Programmable Gate Array) is adopted to instead of existing software-controlled manner, fully achieve Digital Control, ensure that the real-time of bubble during mixing, the pressure in real-time monitor force source, ensure that the consistance of Air Bubble Size, pass through bubble frequency, the flexible configuration of quantity and pressure and other parameters, achieve the speed to bubble, the operability of quantity and Air Bubble Size, and can parallel processing, shorten detection time, improve detection efficiency, and interface of the present invention is simple, strong adaptability, reduce manufacturing cost of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of bubble blending device in prior art;
Fig. 2 is the structural representation of control system in the present invention;
Fig. 3 is the schematic flow sheet of bubble mixing method in the present invention.
Embodiment
The invention provides a kind of bubble mixing method and control system thereof, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of for controlling the control system that bubble blending device runs, as shown in Figure 2, it comprises the microprocessor module 1 for setup parameter, and described microprocessor module 1 can adopt technology type of the prior art.And described control system also comprises for also producing the mixing bubble control module 2 of bubble and the pressure monitor module 3 for sending enable signal to described bubble control module according to corresponding parameter according to corresponding state modulator respective channel electromagnetic valve switch 8, described bubble control module 2, described pressure monitor module 3 communicate to connect with described microprocessor module 1 respectively, described bubble control module 2 communicates to connect with described pressure monitor module 3, described pressure monitor module 3 communicates to connect with pressure source 4, and described pressure source 4 communicates to connect with described microprocessor module 1.
More optimize, described microprocessor module 1 is the parameter that described bubble control module 2 sets bubble frequency, number of bubbles, bubble output channel, is the parameter of described pressure monitor module 3 set pressure condition, pressure state information.By concrete state modulator, bubble is mixed more to optimize, ensure that the real-time of bubble during mixing, the pressure in real-time monitor force source, ensure that the consistance of Air Bubble Size.
In another preferred embodiment of the present invention, described bubble control module 2 is provided with bubble frequency interface 5, number of bubbles input interface 6 and passage input interface 7, described bubble frequency interface 5, described number of bubbles input interface 6 all communicate to connect with described microprocessor module 1 with described passage input interface 7, described passage input interface 7 communicates to connect with described passage electromagnetic valve switch 8, by the connection of each interface, achieve the accurate transmission of parameters.
Further, described pressure monitor module 3 arranges pressure input interface 9 and pressure state feedback interface 10, described pressure input interface 9 communicates to connect with described microprocessor module 1, described pressure state feedback interface 10 communicates to connect with described pressure source 4, ensure that described bubble control module 2 is opened under normal circumstances at described pressure source 4, improve the stability that the present invention runs.
Present invention also offers a kind of bubble mixing method for bubble blending device, as shown in Figure 3, it comprises the following steps:
Step 101: microprocessor module 1 sets corresponding parameter for pressure monitor module 3 with bubble control module 2, described pressure monitor module 3 is according to described corresponding parameter detecting, then testing result is fed back to described microprocessor module 1, according to described testing result, described microprocessor module 1 judges whether pressure source 4 exists fault, if NO, then described pressure monitor module 3 controls described bubble control module 2 and opens corresponding electromagnetic valve switch 8.
In order to further improve performance of the present invention, concrete the comprising of described step 101: described microprocessor module 1 is the parameter that described bubble control module 2 sets bubble frequency, number of bubbles, bubble output channel is the parameter of described pressure monitor module 3 set pressure condition, pressure state information.
In another preferred embodiment of the present invention, concrete the comprising of described step 101: the speed that described bubble control module 2 is upwards run by bubble in the corresponding electromagnetic valve switch 8 of bubble frequency state modulator, by the bubble number passed through in the corresponding electromagnetic valve switch 8 of number of bubbles state modulator; Corresponding electromagnetic valve switch 8 is opened by bubble output channel state modulator;
Pressure when described pressure monitor module 3 is worked by pressure source 4 described in pressure condition optimum configurations, and start described bubble control module 2; Whether pressure when judging that described pressure source 4 works by pressure state information parameter satisfies condition, and if yes, then starts described bubble control module 2.
More optimize, concrete the comprising of described step 101: described pressure detection module 3 arranges pressure when described pressure source 4 works, whether pressure when judging that described pressure source 4 works by pressure state information parameter satisfies condition, if yes, then described pressure detection module 3 produces enable signal and starts described bubble control module 2; Described bubble control module 2 opens corresponding electromagnetic valve switch 8 according to described bubble output channel parameter, and described bubble control module 2 is according to described bubble frequency parameter and the bubble running status in corresponding electromagnetic valve switch 8 described in described number of bubbles state modulator.
In order to further describe the present invention, below enumerating embodiment more specifically and being described.
Described microprocessor module 1 is made up of the embedded software core processor of FPGA, is communicated to connect respectively by the mode of bus with described bubble control module 2, described pressure monitor module 3.The input signal of described pressure monitor module 3 is the pressure data signal pressure [11..0] of described pressure source 4, and described microprocessor module 1, by reading this pressure data signal, judges described pressure source 4 whether fault; The output signal of described bubble control module 2 is bubble frequency control signal bubble_freq [15..0], is used for controlling the speed upwards run of bubble; Number of bubbles control signal bubble_count [7..0], is used for controlling to produce the number of bubble; , due in concrete test process, there is multiple mixing pond in bubble output channel control signal bubble_channel [7..0], bubble output channel control signal is used to the corresponding electromagnetic valve switch 8 selecting to need under the passage of mixing.Described pressure monitor module 3 output signal be pressure controling signal pressure_ctr [11..0], be used for arranging pressure when described pressure source 4 works; Described microprocessor module 1 sends enable control signal mcu_en, after configuration, starts described bubble control module 2 by enable control signal mcu_en.In testing process, when certain mixing pond needs to mix sample and reagent, described microprocessor module 1 only needs to be configured above-mentioned output signal, by respective bus transfer to bubble control module 2, namely complete bubble operation, the execution of concrete solenoid valve is controlled by described bubble control module 2, achieves the parallel work-flow of flow process, shorten detection time, improve detection efficiency.
The module that described pressure monitor module 3 is designed by hardware description language, the input signal of described pressure monitor module 3 is pressure source pressure controling signal pressure_ctr [11..0], the force value that described microprocessor module 1 is arranged, pressure data signal pressure_ad [11..0], the pressure source actual pressure value detected by pressure detection circuit; The output signal of described pressure monitor module 3 is enable signal pressure_en, described pressure source 4 pressure remain on arrange in force value range of control time, start described bubble control module 2 by enable signal pressure_en.Described pressure monitor module 3 reads the actual pressure value of described pressure source 4 in real time by pressure data signal pressure_ad [11..0] interface, the force value pressure_ctr [11..0] simultaneously arranged with described microprocessor module 1 compares, when two fiducial values are in the scope of pressure surge threshold value, described pressure monitor module 3 output enable signal pressure_en, in order to start bubble control module 2, achieve Digital Control, ensure that the real-time of bubble during mixing, the pressure in real-time monitor force source, ensure that the consistance of Air Bubble Size.
The module that described bubble control module 2 is designed by hardware description language, system provides a clock signal clk as the operation clock of described bubble control module 2.Described bubble control module 2 provides a control signal start as its executive signal, and start signal effectively produces by while the enable control signal mcu_en of described microprocessor module 1 and the enable signal pressure_en signal of pressure monitor module 3.When control signal start being detected to rising edge, described bubble control module 2 reads number of bubbles by bus, bubble frequency, the information of bubble output channel.By the frequency division to clock signal clk, produce bubble output frequency, by internal counter record number of bubbles, then according to bubble output frequency and number of bubbles to the bubble output channel output pulse signal selected, drive the driving circuit of corresponding electromagnetic valve switch 8, thus complete whole bubble process, thus achieve the operability of speed, quantity and the Air Bubble Size to bubble, and can parallel processing, shorten detection time, improve detection efficiency.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. one kind for control bubble blending device run control system, it comprises the microprocessor module for setup parameter, it is characterized in that, described control system also comprises for also producing the mixing bubble control module of bubble and the pressure monitor module for sending enable signal to described bubble control module according to corresponding parameter according to corresponding state modulator respective channel electromagnetic valve switch, described bubble control module, described pressure monitor module communicates to connect with described microprocessor module respectively, described bubble control module is connected with described pressure monitor module communication, described pressure monitor module and pressure source communicate to connect, described pressure source and described microprocessor module communicate to connect,
Described bubble control module is provided with bubble frequency interface, number of bubbles input interface and passage input interface, described bubble frequency interface, described number of bubbles input interface and described passage input interface all communicate to connect with described microprocessor module, and described passage input interface and described passage electromagnetic valve switch communicate to connect.
2. control system according to claim 1, it is characterized in that, described microprocessor module is the parameter of described bubble control module setting bubble frequency, number of bubbles, bubble output channel, is the parameter of described pressure monitor module set pressure condition, pressure state information.
3. control system according to claim 1, it is characterized in that, described pressure monitor module installation pressure input interface and pressure state feedback interface, described pressure input interface and described microprocessor module communicate to connect, and described pressure state feedback interface and described pressure source communicate to connect.
4. the bubble mixing method for bubble blending device, it comprises the following steps:
Microprocessor module is that pressure monitor module sets corresponding parameter with bubble control module, described pressure monitor module is according to described corresponding parameter detecting, then testing result is fed back to described microprocessor module, according to described testing result, described microprocessor module judges whether pressure source exists fault, if NO, then described pressure monitor module controls described bubble control module and opens corresponding electromagnetic valve switch.
5. bubble mixing method according to claim 4, it is characterized in that, concrete the comprising of described step: described microprocessor module is the parameter of described bubble control module setting bubble frequency, number of bubbles, bubble output channel, is the parameter of described pressure monitor module set pressure condition, pressure state information.
6. bubble mixing method according to claim 5, it is characterized in that, concrete the comprising of described step: the speed that described bubble control module is upwards run by bubble in the corresponding electromagnetic valve switch of bubble frequency state modulator, by the bubble number passed through in the corresponding electromagnetic valve switch of number of bubbles state modulator; Corresponding electromagnetic valve switch is opened by bubble output channel state modulator; Described pressure monitor module by the pressure described in pressure condition optimum configurations during pressure source work, and starts described bubble control module; Whether pressure when judging that described pressure source works by pressure state information parameter satisfies condition, and if yes, then starts described bubble control module.
7. bubble mixing method according to claim 6, it is characterized in that, concrete the comprising of described step: the pressure described in described pressure monitor module installation during pressure source work, whether pressure when judging that described pressure source works by pressure state information parameter satisfies condition, if yes, then described pressure detection module generation enable signal starts described bubble control module; Described bubble control module opens corresponding electromagnetic valve switch according to described bubble output channel parameter, and described bubble control module is according to described bubble frequency parameter and the bubble running status in corresponding electromagnetic valve switch described in described number of bubbles state modulator.
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| CN104297023B (en) * | 2013-07-16 | 2017-05-24 | 成都深迈瑞医疗电子技术研究院有限公司 | A cell analyzer, a mixing device thereof and a mixing method |
| CN108414338A (en) * | 2018-02-02 | 2018-08-17 | 迪瑞医疗科技股份有限公司 | A kind of bubble evenly mixing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3549994A (en) * | 1963-12-12 | 1970-12-22 | Coulter Electronics | Automatic method and apparatus for obtaining different dilutions from blood or the like samples and processing the same by fluid handling and electronics to obtain certain nonelectric parameters |
| US3567321A (en) * | 1968-07-22 | 1971-03-02 | Coulter Electronics | Bath for containing and receiving a plurality of aperture tubes |
| US3588053A (en) * | 1967-12-20 | 1971-06-28 | Coulter Electronics | Liquid mixing and transfer apparatus and method |
| US3740041A (en) * | 1971-10-14 | 1973-06-19 | Coulter Chemistry Inc | Reagent mixing apparatus |
| US4136970A (en) * | 1977-12-15 | 1979-01-30 | Coulter Electronics, Inc. | Method and apparatus for regulating the size and frequency of bubbles employed for mixing liquids |
| US4436674A (en) * | 1981-07-30 | 1984-03-13 | J.C. Schumacher Co. | Vapor mass flow control system |
| CN201903476U (en) * | 2010-11-19 | 2011-07-20 | 长春迪瑞医疗科技股份有限公司 | Bubble blending device |
| CN201988357U (en) * | 2011-01-11 | 2011-09-28 | 安徽中威医疗设备科技开发有限公司 | Full-automatic bubble stirring device for pathological tissue dehydration apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019457B2 (en) * | 1976-10-29 | 1985-05-16 | 東亜医用電子株式会社 | dilution device |
| JPH09271651A (en) * | 1996-04-02 | 1997-10-21 | Kazutoshi Ogawa | Intermittently bubbling type liquid mixer |
| TWI303275B (en) * | 2003-05-30 | 2008-11-21 | Advisys Inc | Devices and methods for biomaterial production |
-
2012
- 2012-08-08 CN CN201210280370.6A patent/CN102854052B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3549994A (en) * | 1963-12-12 | 1970-12-22 | Coulter Electronics | Automatic method and apparatus for obtaining different dilutions from blood or the like samples and processing the same by fluid handling and electronics to obtain certain nonelectric parameters |
| US3588053A (en) * | 1967-12-20 | 1971-06-28 | Coulter Electronics | Liquid mixing and transfer apparatus and method |
| US3567321A (en) * | 1968-07-22 | 1971-03-02 | Coulter Electronics | Bath for containing and receiving a plurality of aperture tubes |
| US3740041A (en) * | 1971-10-14 | 1973-06-19 | Coulter Chemistry Inc | Reagent mixing apparatus |
| US4136970A (en) * | 1977-12-15 | 1979-01-30 | Coulter Electronics, Inc. | Method and apparatus for regulating the size and frequency of bubbles employed for mixing liquids |
| US4436674A (en) * | 1981-07-30 | 1984-03-13 | J.C. Schumacher Co. | Vapor mass flow control system |
| CN201903476U (en) * | 2010-11-19 | 2011-07-20 | 长春迪瑞医疗科技股份有限公司 | Bubble blending device |
| CN201988357U (en) * | 2011-01-11 | 2011-09-28 | 安徽中威医疗设备科技开发有限公司 | Full-automatic bubble stirring device for pathological tissue dehydration apparatus |
Non-Patent Citations (3)
| Title |
|---|
| Bubble Mxing Device for Blood Sampling by Automatic Analysis;Hans N.Naumann.et al.;《Clinical Chemistry》;19610228;第17卷(第1期);全文 * |
| JP昭60-19457B2 1985.05.16 * |
| JP特开平9-271651A 1997.10.21 * |
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Address after: 130012 No. 95, Yunhe street, hi tech Industrial Development Zone, Jilin, Changchun Patentee after: Medical Polytron Technologies Inc Address before: 130012 No. 95, Yunhe street, hi tech Industrial Development Zone, Jilin, Changchun Patentee before: Changchun Dirui Medical Technology Co., Ltd. |
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