CN2374859Y - Micro-climate testing device for inside of clothe - Google Patents
Micro-climate testing device for inside of clothe Download PDFInfo
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- CN2374859Y CN2374859Y CN 99205424 CN99205424U CN2374859Y CN 2374859 Y CN2374859 Y CN 2374859Y CN 99205424 CN99205424 CN 99205424 CN 99205424 U CN99205424 U CN 99205424U CN 2374859 Y CN2374859 Y CN 2374859Y
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Abstract
The utility model relates to a micro-climate testing device for the inside of clothes. The utility model is composed of a sensors (1, 2, 3) of temperature, humidity, heart rate, etc., preprocessing circuits (4, 5, 6), a single-chip microcomputer (10), a memory (7), accessories (11, 12, 13, 14, 15), etc. The utility model mainly solves signal sensing, collecting and treating problems, and realizes multidrop collection of signals. The utility model has the advantages of high test precision, good anti-interference ability, convenient operation, small size and light weight. A measuring system can be independent or be connected with a microcomputer. The utility model can be used in a laboratory or outdoor environment.
Description
The utility model relates to a kind of temperature, humidity measuring instrument, the measurement mechanism of micro climate in especially a kind of clothing.
So-called " micro climate in the clothing " is meant the general name of temperature temperature, humidity and the air-flow of short space between clothes and the skin.
At present, the evaluation method of clothes comfortableness has four kinds of (1) hygienes, physiology evaluation method both at home and abroad; (2) psychology evaluation method; (3) dress materials are learned evaluation method; (4) micro climate evaluation method in the clothing.Through exploratory development in a few years, first three methods all is difficult in this system of environment-clothes-human body the comfortableness of clothes is made comprehensive evaluation, and the micro climate evaluation method can dynamically reflect comfort behind the human dressing in the clothing, and its quantification, it has become the theoretical pillar of the textile material of the different purposes of exploitation.
Estimate the comfortableness of clothes with micro climate method in the clothing, need accurately measure the temperature and humidity in the clothes, the instrument that is used for temperature, humidity and measurement Human Physiology mathematic(al) parameter on the market has a lot, but they can only measure a certain index mostly, can only make once record.In clothing in the microclimatic survey, need be on one's body the experimenter, and fast, accurately measure many index, a plurality of parameter simultaneously with equipment placement, each parameter can be obtained by a plurality of collection points, can also continuous recording, storage, processing, print these parameters.
The purpose of this utility model provides a kind of interior microclimatic survey device of portable clothing that can make the multinomial evaluation index quantification of clothes comfortableness.
The purpose of this utility model is achieved in that
Utilize singlechip technology, indexs such as the temperature of the short space between clothes and the skin, humidity are gathered, handled, the comfort property of clothes is carried out quantitative evaluation.The utility model is by signal picker, single-chip microcomputer and set up three parts and form.Signal picker is converted to electric signal to non-electric charge quantity signallings such as temperature, humidity and heart rate in the clothing by sensor, through amplification, A/D conversion, is input to single-chip microcomputer, and after single-chip microcomputer was handled, the result exported mini-printer or portable computer to.
Microclimatic survey device in the disclosed clothing of the utility model is to utilize singlechip technology, and indexs such as the temperature of the short space between clothes and the skin, humidity are gathered, handled, and the comfort property of clothes is carried out a kind of instrument of quantitative evaluation.It has mainly solved the problem of sensing, collection and processing such as temperature, humidity and heart rate in the clothing, also can be used for the measurement of human body physiological parameter, and device design has heart rate and a plurality of humidity, temperature test passage, realizes the multiple spot collection of signal, makes test result accurate.
This device to test precision height, good in anti-interference performance, stable and reliable working performance, easy to operate.Volume is little, and is in light weight, and carries nickel-hydrogen chargeable cell, and measuring system is had a style of one's own, and also can link to each other with up-computer.Not only can be used for the laboratory work environment but also can be used for the field environment condition, be convenient to the experimenter and carry.
Below in conjunction with drawings and Examples the utility model is done an explanation.
Fig. 1 is the utility model principle of work block scheme;
Fig. 2 is the utility model temperature signal change-over circuit figure;
Fig. 3 is the utility model moisture signal change-over circuit figure;
Fig. 4 is the utility model humidity pre-process circuit plate schematic appearance;
Fig. 5 is the utility model circuit theory diagrams.
Among Fig. 1:
1-temperature sensor 2-humidity sensor 3-heart rate sensor
4,5,6-signal amplifier (comprising anti-jamming circuit)
7-E
2PROM programmable device 8-clock
9-data memory 10-band A/D converter singlechip CPU
11-power supply 12-R232 output
The 13-state shows 14-host computer 15-alarm
The utility model is by signal picker, single-chip microcomputer (CPU) and set up three parts and form.Signal picker is converted to electric signal to non-electric charge quantity signallings such as temperature, humidity and heart rate in the clothing, through amplification, A/D conversion, is input to single-chip microcomputer, and after single-chip microcomputer was handled, the result exported portable computer or mini-printer to.One, signal picker comprises three kinds of sensors, three amplifiers.
Form by (1), (2), (3), (4), (5), (6) among Fig. 1: temperature sensor (1) 1, three kinds of sensors: humidity, temperature and heart rate sensor 1)
Adopt a kind of convenience, reliable PN junction temperature sensor.The PN junction temperature sensor is to utilize the characteristic of the junction voltage of diode with temperature change: every rising 1 degree of temperature, the junction voltage of PN junction just reduces 2mV, and varies with temperature and variation linearly.Because the PN junction junction voltage is to be the decision of its manufacture craft by semiconductor material (silicon or germanium) and the impurity that mixes, so stability better.PN junction temperature sensor volume is little, can accomplish that diameter is that 1mm is spherical or littler, and the PN junction temperature sensor does not have the interference problem of thermal resistance class sensor to heart rate sensor.
This device is selected the PN junction temperature sensor for use, and it is operated in the 0-40 degree scope, requires measuring accuracy to reach 0.1 degree, adopts diameter for the encapsulation of 2mm point type, sees Fig. 3, is used for the measurement of temperature between skin temperature and clothes and the skin.
This device is established 22 in temperature survey passage altogether, carries out the passage switching by the analog gate circuit at the high resistant input end of the accurate instrumentation amplifier of AD521 during test.The temperature signal that amplifies through the V/F conversion, is input to single-chip microcomputer.2) humidity sensor (2)
Adopt the polymeric membrane humicap, on the circuit design polymeric membrane humicap and pre-process circuit are being contained on the fritter printed circuit board, pre-process circuit converts capacitance signal to pulse signal earlier, deliver to signal picker by lead-in wire then and further handle, to overcome the influence of lead capacitance sensor.Pre-process circuit adopts micro integrated circuit chip and miniature resistance capacitance, and volume can satisfy request for utilization.
Fig. 4 is the outward appearance rack design of humidity pre-process circuit plate, and rack is that moisture measurement constitutes the small but environment space of " loose ", and sensor and pre-process circuit plate are fixed in the rack, measure accurately thereby make, and rack also plays the effect of protection sensor.3) heart rate sensor
Adopt the electrocardioelectrode the same, after electrocardiosignal is amplified, deliver to A/D converter, calculate by microprocessor then, obtain heart rate value with electrocardiograph.Electrocardiosignal is very weak, generally has only 1uV, so little signal is easy to be disturbed, and the electromyographic signal during human motion is mixed in wherein, handles difficulty more, therefore, we adopt software to add the method processing cardioelectric signals that hardware combines, and at first select the instrumentation amplifier of anti-common mode interference preferably for use that is:, then to the electrocardiosignal after the A/D conversion, carry out spectrum analysis with software, obtain heart rate value at last.2, amplifier and anti-jamming circuit
The very faint needs of electric signal that come out by sensor amplify, and the measuring accuracy that we require is very high, so using, the instrument of selecting for use U.S. AD company to produce amplifies chip OP series precision operational-amplifier, peripheral resistance and electric capacity all adopt precision resistance electric capacity, guarantee measuring accuracy of the present utility model and stability.The temperature signal change-over circuit is seen Fig. 2, and the moisture signal change-over circuit is seen Fig. 3.
And the signal of three kinds of sensors is tested simultaneously, a plurality of acquisition channels of a kind of sensor may make phase mutual interference between the measured signal, so this device adopts accurate anti-jamming circuit on hardware, has also done respective handling in software programming.Two, single-chip microcomputer (CPU):
Adopt the 8XC552 singlechip microprocessor of PHILIP company production, be equipped with the static memory of 64K, but 8 hours raw data of storage of collected device continuous working, and clock reference (8CF8553) is used for collection period regularly.Expansion E
2PROM (PC8582A) is used for the storage of groundwork parameter, also expands RS232 standard communication interface (12) simultaneously, is used for and host computer (14) data communication.22 tunnel temperature interfaces of expansion are used for the measurement of temperature, skin temperature and environment temperature in the clothing.8 tunnel humidity interfaces of expansion are used for moisture measurement in the clothing.
The work of single-chip microcomputer is the data storage after temperature, humidity and heart rate signal are further handled and will be handled, for this reason, digital filtering, A/D self-correcting scheduling algorithm on software design, have been adopted, and be reference with the accurate reference voltage, with software the A/D transformation result is carried out self-correcting, improved the measuring accuracy of instrument greatly, data storage adopts scale-of-two, memory capacity is not less than the 64K byte, can guarantee the storage of continuous working 8 hour datas.
A/D converter adopts the AD521 converter that carries among the 8XC552, and it is 10 A/D converters, and be 50us switching time, and ALT-CH alternate channel can expand to 32 the tunnel.
Scm software adopts the programming of MCS51 assembly language, and reading of data is carried out secondary to signal and proofreaied and correct at any time, improves measuring accuracy.
In the upper computer software design,, select the WINDOWS working environment, menu prompt, output visual result for making things convenient for the man-machine communication.Three, set up part
Power supply adopts Ni-MH battery and is equipped with mu balanced circuit, and the Ni-MH battery capacity is big, the life-span is long, the recharge memory-less effect.The whole circuit of instrument adopt the CMOS chip, and are low in energy consumption, and battery working time is greater than 10 hours, for guaranteeing that closing machine data does not lose, and has also designed power-off protecting circuit.
For making things convenient for the field work environment, select portable computer, dominant frequency is 133MHZ, and internal memory is not less than 16MB, and battery working time is not less than 8 hours.Also can be with 486 above microcomputers.
State shows and buzzer siren has duty and data are reported to the police and Presentation Function.Buzzer alarm circuit and supply voltage monitoring circuit when power voltage insufficient, are forbidden IC3 is carried out read-write operation, are used to protect the data of static memory IC3.
The embodiment circuit diagram is analyzed, and sees Fig. 5.
One, Component List
1, CPU CPU (central processing unit), it is the core component of device, it comprises arithmetical unit, controller and A/D converter, effect is computing and the operation of finishing the instruction regulation, its A/D converter that carries is finished data collection task, P00-P07 is the least-significant byte of address wire, is again data line simultaneously, and P20-P27 is the most-significant byte of address wire.P46-47 provides address code to IC2, P12-P13 connects collection/pause switch, P35, INT1 sending and receiving optical diode, P50-P57 is an A/D simulating signal incoming line, AVREF+, AVRCF-be the reference voltage input of A/D converter respectively, RXD, TXD are serial port communication line, are used for carrying out communication with host computer.
2, IC1 address latch because the P00-P07 of CPU be the least-significant byte of address wire simultaneously for data line, at this point in location/data time sharing bus system, preserve address code with latch, D0-D7 is input, Q0-Q7 is output.
3, IC2 analog gate circuit, effect are according to the range requirement warm, that humidity is different, provide corresponding reference voltage to A/D converter, have further guaranteed measuring accuracy.X0-X3, Y0-Y3 are voltage input line, and X, Y are the reference voltage output line of corresponding range, and A, B link to each other with CPU, receive the address code of corresponding range.
4, IC3 static memory is used to store actual humidity, temperature and heart rate value, and capacity is 64K, so need A0-A15 totally 16 address wire addressing, D0-D7 is a data line.
5, IC4 EROM is used to solidify user program, and capacity is 16K, so need A0-A13 totally 14 address wire addressing, D0-D7 is a data line.
6, IC5 electrically erasable programmable ROM is characterized in and can onlinely wipes and rewrite, and is used to deposit and each channel temperature of online modification, humidity conversion coefficient.
7, IC6 expansion random access memory is done standby at this.
8, IC7 calendar clock unit is used to date of the system that is provided with, calendar clocks such as Hour Minute Second.
9, IC8 amplifying circuit
10, V1 buzzer alarm circuit and supply voltage monitoring circuit when power voltage insufficient, are forbidden IC3 is carried out read-write operation, are used to protect the data of IC3.
11, V2 level shifting circuit is complementary the level of the input of serial port/go out level and host computer.
Two, the course of work
Opening power, at first carry out initialization, calendar clock, sampling interval, communication modes are set, can be provided with again the conversion coefficient of each passage if necessary etc., determine temperature, moisture measurement range, CPU control IC2 exports the reference voltage of corresponding range to 58,59 pins of CPU.The timer T1 of CPU works in timing mode, and timer T0 works in counting mode, to counting with the corresponding frequency signal of temperature, when timing arrives, produces regularly to interrupt, and gathers 22 temperature, 8 humidity and heart rate signal this moment successively.
Each road temperature signal is after the AD521 amplifier amplifies, again through the V/F conversion, convert this voltage signal to frequency signal, receive the T0 end of CPU, each road moisture signal converts capacitance signal to pulse signal through pre-process circuit, and this signal is linked on the collector, converts simulating signal to through the pulse voltage conversion circuit again, receive after the OP27 operational amplifier amplifies on the input port P52AD2 of the A/D converter that CPU carries, heart rate signal is received on the P53AD3 after AD521 amplifies.
After all signals collecting were finished, the conversion coefficient that calls among the IC5 calculated temperature, moisture signal respectively, and heart rate signal is carried out spectrum analysis, obtain heart rate value at last, CPU control deposits these results among the IC3 in, simultaneously the result is delivered on the V2, so that carry out communication with host computer, before End of Interrupt, CPU monitors supply voltage, as is lower than lower limit, then sends buzzing and reports to the police, the read-write operation of forbidding IC3 simultaneously prevents to cause data corruption.
CPU monitors that simultaneously whether producing serial port interrupts, and carries out communication with host computer in interrupt service routine, comprises the order that receives host computer, each order is handled, and sent information needed etc. to host computer.
For making equipment miniaturization, satisfy portable requirement, profile adopts the 155*120*60mm cabinet, and circuit board adopts stepped construction, and totally three layers: bottom is a Single Chip Microcomputer (SCM) system, and the middle level is an analog signal processing circuit, the upper strata is the sensor interface expansion board.Instrument working state, data presentation, data processing, data are printed by up-computer control, and instrument panel only is provided with a power switch, a time-out/collection switch and two status lamps, can remove the numerous and diverse setting on the instrument panel from.Also the liquid crystal display displays data can be set.
It is as follows that the utility model is manipulated method:
1, sensor is placed
Temperature sensor, humidity sensor are placed correct position in the clothing, and heart rate sensor sticks on the health.The sensor of surveying skin temperature is attached to the position of health regulation, and the sensor of surveying environment temperature places environment.
2, beginning new data collection
Time-out/collection the switch of device is placed the collection position, and after the opening power, instrument begins new data acquisition, and legacy data is removed automatically.
3, keeping in the past, data continue to gather
Time-out/collection the switch of device is placed the time-out position, and after the opening power, instrument is followed original data and is begun new data acquisition.
4, check immediately, print data
To install and use connection to be connected with up-computer, instrument is delivered to serial port to the collection result in each sampling period, and the operation control program can be checked current data.
To install and use connection to be connected with mini-printer, instrument prints the collection result in each sampling period.
Time-out/collection switch is placed the time-out position, and the operation communication program can read total data, is stored in disk or print result.
Claims (5)
1, microclimatic survey device in a kind of clothing, it comprises signal picker, single-chip microcomputer and sets up three parts, it is characterized in that, signal picker comprises three kinds of heart rate sensor and temperature sensor, humidity sensors, but the signal picker multiple spot is gathered non-electric charge quantity signallings such as heart rate, temperature, humidity, handles through pre-process circuit, anti-jamming circuit, amplifying circuit, again through A/D conversion, V/F conversion, the input single-chip microcomputer is handled, and exports to host computer with the RS232 interface and shows printing.
2, microclimatic survey device in the clothing according to claim 1 is characterized in that humidity sensor and its pulse switching circuit are installed on the pre-process circuit plate, and the pre-process circuit plate places in the grid structure, links to each other with amplifier by lead-in wire.
3, microclimatic survey device in the clothing according to claim 1 is characterized in that, temperature sensor adopts diameter 2mm point type encapsulation PN junction sensor.
4, microclimatic survey device in the clothing according to claim 1 and 2 is characterized in that the humidity sensor of device, pre-process circuit and moisture signal test channel have more than two.
5, microclimatic survey device in the clothing according to claim 1 is characterized in that the temperature sensor of device and temperature signal test channel have more than two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205424 CN2374859Y (en) | 1999-03-18 | 1999-03-18 | Micro-climate testing device for inside of clothe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205424 CN2374859Y (en) | 1999-03-18 | 1999-03-18 | Micro-climate testing device for inside of clothe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2374859Y true CN2374859Y (en) | 2000-04-19 |
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ID=33999987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99205424 Expired - Fee Related CN2374859Y (en) | 1999-03-18 | 1999-03-18 | Micro-climate testing device for inside of clothe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2374859Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556266B (en) * | 2008-04-08 | 2012-10-03 | 上海实甲电子科技有限公司 | Cigarette quality testing device |
| CN104062421A (en) * | 2014-06-17 | 2014-09-24 | 北京服装学院 | Measuring system for comfort level of clothes |
| CN107367582A (en) * | 2017-07-24 | 2017-11-21 | 江西服装学院 | A kind of clothes comfort level measuring system |
| CN111044714A (en) * | 2019-12-31 | 2020-04-21 | 江西服装学院 | Clothing comfort measuring system |
-
1999
- 1999-03-18 CN CN 99205424 patent/CN2374859Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556266B (en) * | 2008-04-08 | 2012-10-03 | 上海实甲电子科技有限公司 | Cigarette quality testing device |
| CN104062421A (en) * | 2014-06-17 | 2014-09-24 | 北京服装学院 | Measuring system for comfort level of clothes |
| CN104062421B (en) * | 2014-06-17 | 2016-08-17 | 北京服装学院 | A kind of clothing comfort level measures system |
| CN107367582A (en) * | 2017-07-24 | 2017-11-21 | 江西服装学院 | A kind of clothes comfort level measuring system |
| CN111044714A (en) * | 2019-12-31 | 2020-04-21 | 江西服装学院 | Clothing comfort measuring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |