CN1142929A - Portable environment physiological monitor - Google Patents
Portable environment physiological monitor Download PDFInfo
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- CN1142929A CN1142929A CN 95107989 CN95107989A CN1142929A CN 1142929 A CN1142929 A CN 1142929A CN 95107989 CN95107989 CN 95107989 CN 95107989 A CN95107989 A CN 95107989A CN 1142929 A CN1142929 A CN 1142929A
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Abstract
The invented monitor is composed of sensor, signal adjuster, data-acquisition and processing board, peripheral circuit, microcomputer interface circuit and external equipment. The monitored parameters are passed through sensor, signal adjustor, multiple way analog switch and sampling holding circuit to send into A/D convertor to convert into digital signal and be latched in the latch, then they are sent through parameter bus to DSP for analysis treatment. Said inventionc an check the environmental physicalfactor, chemical factor and human body physilogical factor comprehensively and evaluate comprehensively, and possesses of the function of automatic acquisition, analysis, display, record, printing and warning.
Description
The present invention relates to a kind of environment physiological monitor, particularly relate to the comprehensive detection device that a kind of environmental monitoring, the monitoring of hygiene and medical monitoring are integrated.
At present, the environment supervision instrument that uses both at home and abroad has fixed large-scale atmospheric pollution monitoring post (net), flow-type environmental monitoring vehicle and portable environment monitor three major types.Monitoring parameter comprises simultaneous physics (meteorology) factor in the environment, as temperature, relative humidity, wind speed, wind direction, air pressure, illumination, noise; Chemical factor has CO, CO
2, SO
2, NO
2, O
2, O
3Said fixing formula and flow-type monitoring equipment have monitors part physics (meteorology) factor and chemical factor simultaneously; The portable environment monitor then can not be measured them simultaneously.And environment is an integral body, and these two kinds of factors often exist simultaneously, and are in the continuous dynamic change, chemical factor is subjected to the influence of physics (meteorology) factor very big, therefore, by single factors and monitoring parameter environment supervision instrument seldom itself, just can only reflect that the part of environmental quality changes.
To one of main purpose of environmental monitoring, be the investigation each environmental factors situation of change and to the health effects degree, and mainly be basic physiological parameter by human body to the evaluation of health, variation as temperature pulse respiration, blood pressure, electrocardio, heart rate and blood oxygen saturation, these physiological parameters also are continuous dynamic change, and it directly is subjected to physics (meteorology) factor in the environment and the influence of chemical factor.Present Human Physiology monitor or patient monitor do not have the environment monitoring parameter.Now traditional formation independent monitoring of environmental physics (meteorology) factor, or chemical factor, or the Human Physiology factor is stood like the legs of a tripod, mutual incoherent situation, can only bring into play advantage separately, can not bring into play allomeric function in people-machine-environmental system.(patent No.: 93211005.3) " portable environment comprehensive detection alarm " is though satisfied physics (meteorology) factor in the monitoring of environmental simultaneously and the requirement of chemical factor for the power that patented, but the main body of this instrument is the notebook microcomputer, its cost is higher, and it is difficult to promote at present.
The objective of the invention is from people-machine-environmental system engineering theory, providing a kind of can detect and overall merit physics in the environment (meteorology) factor, chemical factor and Human Physiology combined factors simultaneously, and the portable environment physiological monitor device of energy real-time automatic collecting, analysis, demonstration, record, printing and alarm.
The object of the present invention is achieved like this: this device comprises pick off, signal conditioner, data acquisition and digital signal panel, external equipment and interface circuit thereof and PC interface circuit.It is core that high-speed digital signal processing DSP (Dig-ital Signal Processing) chip is arranged on data acquisition and the digital signal panel, is furnished with the single board computer that the correspondent peripheral circuit chip constitutes; Also have EBI control logic circuit, multiway analog switch and A/D change-over circuit.Physical parameter in the various environment, chemical parameters and human body physiological parameter all have its corresponding pick off, and link to each other with signal conditioner, and this actuator is made of the single-ended output and the continuously adjustable amplifier that gains.From each road analog signal voltage of signal conditioner output, totally 16 the tunnel, deliver to the input of the multiway analog switch of high-speed data acquisition and digital signal panel respectively.The CPU of high-speed data acquisition and digital signal panel and control circuit carry out digital collection to the various analog signal voltages of delivering to its input, and the digital signal that collects stored, by application program the data of each parameter are analyzed, exported by printer prints by the demonstration of the LCDs in the external equipment or by printer interface.When certain LUSHEN number surpassed predetermined threshold, warning circuit sent audible and visual alarm.All circuit, chip and circuit interface are routine techniques, and its inventive point is its organic assembling, are convenient to implement.
For with various PC microcomputer and compatible online (hereinafter to be referred as PC) thereof, high-speed data acquisition and digital signal panel are by the bus (isa bus that promptly contains 16 AT-bus interfaces) and PC communication transmitting data of PC interface and PC microcomputer, this has just constituted PC is main frame, is that the dsp board of core is the host slave system of slave with TMS 320C25.
In Digital Signal Processing, often to use mathematical operations such as convolution, relevant, filtering, fast fourier transform, adaptive-filtering and spectrum analysis, need finish a large amount of multiplication and accumulating operation at short notice, with 16/32 the TMS 320C25 adopting and the one chip dsp chip of 40MHz clock is CPU, be furnished with 16 64K byte data ram memory CY 7C 198 chips, form memory under program by two EPRO M27C 256 and two rapid static RAMCY 7C 199.Management procedure and application program are solidificated on the EPROM27C 256.All memories all adopt dual-port technology and PC UNICOM.In order to make the external equipment co-ordination of high-speed CPU and low speed, card is provided with each free chip piece a plurality of buffers that constitute and half overflow detector of accelerating the CPU speed of service.Also have multi-channel analog switch circuit and A/D converter, the former is the program-controlled switching circuit that timesharing is connected to different parameters A/D converter.A/D selects 10 or 12 bit byte middling speed or high-speed chips for use.
Because portable environment physiological monitor collection environmental physics (meteorology) factor, chemical factor and Human Physiology factor three are one, have remedied the deficiency of this three quasi-instruments combination, can increase work efficiency greatly and the whole monitoring quality; Also can be used for comprehensive monitoring of critically ill patient and operating room patient, the state of an illness is carried out objective, comprehensive judgement, improve salvage success rate, reduce mortality rate.
This instrument is based on state-of-the-art DSP single-chip microcomputer, can to 16 kinds of environment, physiological parameter in real time, fast data collection, analysis, demonstration, record, printing and alarm, also be furnished with the interface of various PC, can satisfy requirements of different users.
This instrument is furnished with computer software programs, can carry out environment and physiological multiplicity, to realize that environment and physiological overall merit are reached the purpose of integrated control.
This instrument can be widely used in environmental protection, health, medical monitoring, industrial and mining establishment, physical culture, traffic, universities and colleges, scientific research institutions, Aero-Space department; Also can be used for the degree with fresh air in Senior Officials inpatient Ward, luxurious hotel, luxury villa and office, the family room and the monitoring of human comfort; The technology assessment of various air purifier products.Series of products be can develop according to the market demand and user's needs, environmental protection, health and medical department are used for separately.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the structured flowchart of portable environment physiological monitor;
Fig. 2 is the structured flowchart of high-speed data acquisition and digital signal panel;
Fig. 3 is a complete machine structure sketch map of the present invention.
Below in conjunction with embodiment concrete device of the present invention and working condition are described in detail:
Fig. 1 illustrates population structure of the present invention.Various environment, physiological parameter become analog voltage signal or current signal by pick off 1 separately, by signal conditioner 2 amplify and gain-adjusted become to be fit to running voltage ± 10V that A/D changes or ± 5V.By the various analog signal voltages of signal conditioner 2 outputs, deliver to the input of the multiple analog switch of high-speed data acquisition and digital signal panel 3 respectively.High-speed data acquisition and digital signal panel are the main bodys of environment physiological monitor of the present invention, it carries out digital collection, storage to each road analog signal voltage of delivering to its input and digital signal is handled, show by matrix liquid-crystal display screen 4, actions menu is also shown by this display screen, or delivers to printer prints output by printer interface 7.When certain road ambient parameter or physiological parameter surpass predetermined threshold, send the audible and visual alarm signal by warning circuit 8.Operator carry out control operation by 6 pairs of monitors of 20 key touch keyboards, promptly by keyboard change monitor working method, conversion displaying contents, sampling parameter and alarm parameters etc. are set.
Fig. 2 shows the structure of high-speed data acquisition and digital signal panel 3.TMS320C25 chip 21 is to be CPU with 16/32 one chip DSP, the 40MHz clock frequency, the motility of High-speed Control and the numerical operation of ARRAY PROCESSING can be combined, with Harvard structure and assembly line work, after opening pile line operation, 100ns is only used in 16 multiplyings and an additive operation, promptly can carry out 10,000,000 instructions each second.Be furnished with data memory 28, adopt 64K byte rapid static RAM CY 7C 198 chips; Memory under program 30 is made up of two EPROM 27C 256 and two rapid static RAM, and management procedure and application program are solidificated on the EPROM 27C 256.During each start, at first the program on the E-PROM is called in the rapid static RAM,, thereby accelerated the execution speed of whole procedure so that read fast during performing a programme.All memories all adopt dual-port technology and PC UNICOM, and twoport data memory 33 is used for accelerating environment physiological monitor and PC microcomputer communication speed and inserts.Application program is controlled each memory and is worked chronologically by program, data address decoder 29.To coordinate the EPROM work of CPU and relative low speed in order starting shooting, to have added insertion wait sequence circuit 27.
Develop, debug this tester for the ease of utilizing various PC, dsp board is made dongle configuration form with PC, dsp board is inserted in the PC bus slot 36, and just can constitute with the PC is main frame, is that the dsp board of core is the host slave system of slave with TMS 320C25.After powering up start, the control command that PC sends is by control decoder 39 on the dsp board and order latch 38, the management work down that makes memory under program on the plate and digital memory be in TMS 320C25, address bus, the data/address bus of storage portions are controlled by TMS 320C25 all simultaneously.When PC to order latch 38 when giving an order, make address, the DCB of TMS 320C25 be in high-impedance state, at this moment just given PC with control, PC just becomes the development system of TMS 320C25, i.e. application program, update routine or the data of debugging TMS 320C25 on PC; Display memory content, content of registers, slice internal memory content, and some intermediate operations result; PC can also pass through the output command parameter, sends cancellation to TMS 320C25 and keeps order, interrupts orders such as TMS 320C25, and these command in combination get up just can make the load operating of PC control TMS 320C25.
Quick computing characteristics for more effective performance TMS 320C25, increase data exchange capability between TMS320C25 and the PC, for this reason specialized designs 2K * 16 two-port RAM 33, make between TMS 320C25 and the PC and to adopt the global storage mode to constitute multicomputer system.This two-port RAM is made up of IDT132-35 and IDT7142-35.Content in the two-port RAM allows TMS 320C25 and PC to visit simultaneously.The two-port RAM district is the FF80-FFFF district of quick dynamic ram for TMS 320C25, specifically sets decision by the BR depositor of TMS 320C25.For high speed TMS 320C25 is communicated by letter with the PC of low speed, in bus junction between the two, adjunction BDB Bi-directional Data Bus buffer 31, address bus buffer 34, and control bus buffer 35.
The probability that overflows in date processing is very high, overflows in order to prevent to produce, and generally requires the absolute value of all data before a computing less than normalized value 0.5 at 2-base algorithm (referring to FFT); And whether the maximum value that basic 4 algorithms require to know a batch data still less than normalized value 0.25, then carries out necessary processing less than normalized value 0.5.In order not take judgement time, improve data processing speed, specialized designs be applicable to that the output of half overflow detector, 40, half overflow detectors of base 2 or basic 4FFT algorithm can be read by TMS320C25.
By variable connector 22, sampling keep 23, A/D changer 24 and latch buffer 25 and constitute typical multi pass acquisition mini system.In order to reach high speed acquisition, the high-speed a/d changer AD678 chip that has adopted the band sampling to keep.Variable connector is made up of two 8 variable connector chips.The whole data collection operating process all is to finish under the control of TMS 320C25CPU, and 16 tunnel inputs, resolution are 1/4096, sample frequency is the data collecting system of 100KC thereby constitute.
Data can be delivered to printer prints output by latching buffer 48 and printer interface socket 49.Report to the police by latching buffer 50 and audio-frequency amplifier circuit 51 and Herba Cladoniae verticillatae 52 output sounds.This instrument adopts 53 power supplies of typical rectifying voltage regulator, and output voltage is ± 5V, ± 12V.
Fig. 3 shows complete machine structure of the present invention.The shell of this monitor is an aluminium alloy or rigid plastics or fiberglass casing 60, and TMS 320C25 plate is housed in the case, the signal conditioner of each pick off and rectifying voltage regulator, the NI-G of available charging or Ni-MH battery.The front panel right side is each sensor socket 64.The pick off that is used for JA(junction ambient) physics (meteorology) factor as temperature, relative humidity, wind speed, wind direction, illumination, noise transducer 65, is connected in sensor socket by cable, and pick off places on the sensor stand 66; Survey the pick off of chemical factor, as CO, CO
2, SO
2, NO
2, O
3, placing in the casing together with signal conditioner, its air collecting pipe then places on the sensor stand; The pick off that is used for physiologic factor need directly be connected on the human body skin surface, as temperature pulse respiration, blood pressure, electrocardioelectrode and blood oxygen saturation.What of sensor socket quantity are decided on the quantity of institute's monitoring parameter.In the middle of the front panel is soft-touch control keyboard 63, and each parameter is established a key, adds total power switch, stand by lamp, power on light, under-voltage display lamp and overload light key.The front panel left side is a LCDs 61.Left side, case top is a mini-printer 62.Sensor stand 66 is the doubling plate of the rectangle of an aluminium alloy extrusions or rigid plastics (PVC) injection mo(u)lding eye with holes, how much determine its length and eyelet number according to what lay number of sensors, the size of pick off diameter determines its pore size, the sensor electrical cable passes from the lower floor hole, is connected to sensor socket.Sensor stand is fixed on the tripod 67.All the sensors all should safely place in the casing of protection packing (as foam plastics).
Claims (5)
1. portable environment physiological monitor, comprise pick off, signal conditioner, data acquisition and digital signal panel and external equipment, it is characterized in that: data acquisition and digital signal panel comprise single board computer, EBI control logic circuit, multi-channel analog switch circuit and the A/D change-over circuit of high-speed digital signal processing DSP chip and respective peripheral circuit chip formation; A corresponding separately pick off (1) of physical parameter in the various environment, chemical parameters and human body physiological parameter and a signal conditioner (2), this signal conditioner is made of the continuously adjustable amplifier of single-ended output gain; The outfan of signal conditioner (2) links to each other with the input of high-speed data acquisition with the multiway analog switch of digital signal panel; External equipment comprises LCDs, warning circuit, touch keyboard and printer.
2. environment physiological monitor according to claim 1, it is characterized in that: high-speed data acquisition and digital signal panel are the cards that can be inserted with isa bus (promptly containing 16 AT-bus interfaces) slot (36), adopt 16/32 single chip microcomputer, be furnished with data memory (28), memory under program (30), all memories all adopt dual-port technology and PC UNICOM; Also be provided with simultaneously: the satellite interface and the insertion sequence circuit (27) of supporting external equipment work at a slow speed of supporting memory; A plurality of buffers that each is made of a chip; Half overflow detector (40) and multi pass acquisition mini system.
3. environment physiological monitor according to claim 2 is characterized in that: high-speed data acquisition and digital signal panel adopt the DSP of TMS 320C25 and 40MHz clock, and data memory (28) is 16 64K bytes, can select rapid static RAM chip for use; Memory under program (30) is made up of two EPROM and two rapid static RAM, and management procedure and application program are solidificated on the EPROM chip; The multi pass acquisition mini system is kept (23), A/D changer (24) and is latched buffer (25) by variable connector (22), sampling constituting; A/D converter using band sampling maintaining A/D changer AD678 chip; Multi-way switch circuit is made up of two 8 variable connector chips.
4. environment physiological monitor according to claim 2, it is characterized in that: high-speed data acquisition and digital signal panel are made the dongle configuration form with PC, be inserted in the PC bus slot 36, just constituting with the PC is main frame, and this card is the host slave system of slave.
5. environment physiological monitor according to claim 1, it is characterized in that: sensor stand (66) is to make with double-layer aluminium alloy section bar or hard plastic injection molding, the hole, garden that penetrates is arranged on the stent cover, and pick off (65) inserts wherein, and support is fixed on the tripod (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95107989 CN1060930C (en) | 1995-08-11 | 1995-08-11 | Portable environment physiological monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95107989 CN1060930C (en) | 1995-08-11 | 1995-08-11 | Portable environment physiological monitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1142929A true CN1142929A (en) | 1997-02-19 |
| CN1060930C CN1060930C (en) | 2001-01-24 |
Family
ID=5076568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95107989 Expired - Fee Related CN1060930C (en) | 1995-08-11 | 1995-08-11 | Portable environment physiological monitor |
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| Country | Link |
|---|---|
| CN (1) | CN1060930C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405412C (en) * | 2005-09-12 | 2008-07-23 | 朱水林 | Structure of multifunctional monitoring and tracing device worn on human body, and its monitoring and tracing method |
| CN101933810A (en) * | 2010-09-03 | 2011-01-05 | 深圳市纽泰克电子有限公司 | Method and system for detecting blood oxygen saturation |
| CN103040443A (en) * | 2012-12-06 | 2013-04-17 | 海信集团有限公司 | Intelligent health adjusting system and method |
| CN113827187A (en) * | 2021-06-29 | 2021-12-24 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Cold damage monitoring and early warning system suitable for extremely cold environment |
-
1995
- 1995-08-11 CN CN 95107989 patent/CN1060930C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405412C (en) * | 2005-09-12 | 2008-07-23 | 朱水林 | Structure of multifunctional monitoring and tracing device worn on human body, and its monitoring and tracing method |
| CN101933810A (en) * | 2010-09-03 | 2011-01-05 | 深圳市纽泰克电子有限公司 | Method and system for detecting blood oxygen saturation |
| CN101933810B (en) * | 2010-09-03 | 2015-09-16 | 深圳市索莱瑞医疗技术有限公司 | A kind of method for detecting blood oxygen saturation |
| CN103040443A (en) * | 2012-12-06 | 2013-04-17 | 海信集团有限公司 | Intelligent health adjusting system and method |
| CN103040443B (en) * | 2012-12-06 | 2015-06-10 | 海信集团有限公司 | Intelligent health adjusting system |
| CN113827187A (en) * | 2021-06-29 | 2021-12-24 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Cold damage monitoring and early warning system suitable for extremely cold environment |
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| Publication number | Publication date |
|---|---|
| CN1060930C (en) | 2001-01-24 |
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