CN203688096U - Multirange medical temperature detecting instrument - Google Patents
Multirange medical temperature detecting instrument Download PDFInfo
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- CN203688096U CN203688096U CN201320868179.3U CN201320868179U CN203688096U CN 203688096 U CN203688096 U CN 203688096U CN 201320868179 U CN201320868179 U CN 201320868179U CN 203688096 U CN203688096 U CN 203688096U
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- temperature monitor
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Abstract
The utility model provides a multirange medical temperature detecting instrument, which comprises a temperature sensing probe, a controller, a transmission module and an output circuit. The transmission module comprises a multicircuit conversion switch and an amplifier. The temperature sensing probe acquires a temperature signal and converts the temperature signal into an electrical signal. The controller is electrically connected with the temperature sensing probe, receives the temperature signal acquired by the temperature sensing probe, and sends out a switch selection signal according to the temperature signal. The multicircuit conversion switch is electrically connected with the temperature sensing probe and the controller, and receives the switch selection signal sent out by the controller. The amplifier is electrically connected with the multicircuit conversion switch and has a plurality of different amplification factors. The output circuit is electrically connected with the amplifier, and converts a signal output by the amplifier into a standard signal for output. The multirange medical temperature detecting instrument has the advantages of adjustable measuring range, high measurement accuracy, low cost and convenient use.
Description
Technical field
The utility model relates to instrument field, and particularly relates to the medical temperature monitor of a kind of multirange.
Background technology
In medical industry, the measurement of temperature and important.Temperature detection is not only directly connected to the health of human body, and the special medical drugs of some performance need be stored in special temperature environment simultaneously, and therefore, the temperature detection of medicine storage environment is most important too.
But, the temperature monitor generally using in current medical industry is mercury thermometer and electronic temp meter, although both measuring accuracy are all higher, because its measurement range is little, the temperature value of ultralow temperature or superhigh temperature can not be used for measuring, the detection of medicine storing temperature cannot be applied to.And along with the continuous progress of science and technology, intelligent Detection is universal gradually, and traditional mercury thermometer and electronic temp meter cannot pass to the temperature signal detecting intelligent checking system, and use cannot match with intelligent Detection.
Because the storage environment of medical drugs is very great on its impact, especially some expensive special medicines, it is very strict to the conditional request of storage environment.Existing industrial temperature detector, although it has larger range ability, and can support the use with intelligent Detection.But owing to only having one to measure range, and different medical drugses has different temperature storage conditions, and single measurement range can't resolve large-scale accuracy of measurement problem, and on-the-spot use lacks dirigibility, and measuring accuracy is lower.
Utility model content
The utility model is single in order to overcome existing medical temperature monitor measurement range, and the problem that measuring accuracy is low, provides a kind of multirange medical temperature monitor.
To achieve these goals, the utility model provides a kind of multirange medical temperature monitor, comprises load module, controller, temperature-sensing probe, transmitting module and modular converter.Input equipment input range is selected signal.Controller is electrically connected load module, receives the measurement range selection signal of load module input, and sends switch according to measurement range selection signal and select signal.Temperature-sensing probe collecting temperature signal.Transmitting module comprises multicircuit switch and at least one amplifier, and multicircuit switch receives the temperature signal that temperature-sensing probe collects, and the switch sending according to controller selects signal to select to be electrically connected the amplifier of different gains.Modular converter is electrically connected amplifier, and the electric signal of amplifier output is converted to standard electric signal.
In the utility model one embodiment, temperature-sensing probe, transmitting module and modular converter are arranged on the first wiring board, and input equipment and controller are arranged on the second wiring board.
In the utility model one embodiment, modular converter is voltage/current conversion circuit, and the voltage signal of amplifier output is converted to standard current signal.
In the utility model one embodiment, the medical temperature monitor of multirange also comprises non-linearization calibration module, is electrically connected temperature-sensing probe.
In the utility model one embodiment, the medical temperature monitor of multirange also comprises temperature-sensing probe error detection module, is electrically connected between temperature-sensing probe and transmitting module.
In the utility model one embodiment, between temperature-sensing probe and multicircuit switch, be electrically connected by three-wire system connection method.
In the utility model one embodiment, the medical temperature monitor of multirange also comprises USB interface, is electrically connected controller.
In the utility model one embodiment, the medical temperature monitor of multirange also comprises voltage regulator module, for the medical temperature monitor of multirange provides the operating voltage of multiple amplitudes.
In the utility model one embodiment, the medical temperature monitor of multirange also comprises isolation module, is electrically connected controller and multicircuit switch.
In the utility model one embodiment, the medical temperature monitor of multirange also comprises output device, is electrically connected controller.
In sum, the utility model compared with prior art has the following advantages: temperature-sensing probe Real-time Collection temperature signal is also converted to electric signal by temperature signal and sends the multicircuit switch in transmitting module to.Input equipment input range is selected signal, controller receives measurement range selection signal, thereby and select the amplifier of different gains to realize the conversion of range according to this signal controlling multicircuit switch, multiple range medical detector is applicable to the detection of the storing temperature of the special medicine of difference.And the electric signal of amplifier output is converted to standard electric signal by modular converter, make the use that can match with intelligent Detection of this multiple range medical detector.
In addition, temperature-sensing probe, transmitting module and modular converter are arranged on the first wiring board, input equipment and controller are arranged on the second wiring board.And in the time of temperature detection, use separately the first wiring board only being formed by mimic channel, and compare digital circuit, the antijamming capability of mimic channel is stronger, can further improve the accuracy of detection of detector.And separately, the second wiring board can support the use from the first different wiring boards, has saved flexibly and easily and greatly manufacturing cost for the first wiring board and the second wiring board.Be voltage/current conversion circuit by modular converter is set, it can be converted to standard current signal by the voltage signal of amplifier output, meets the input demand of different intelligent Detection.By non-linearization calibration module is set, the nonlinear temperature relation that its adjustable temperature-sensing probe produces, improves measuring accuracy.Adopt three-wire system method to be electrically connected temperature-sensing probe and multicircuit switch, can reduce the signal attenuation on wire, improve measurement accuracy.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1 shows that the circuit block diagram of the medical temperature monitor of multirange that the utility model one embodiment provides.
Figure 2 shows that the physical circuit figure of the transmitting module in the medical temperature monitor of multirange that the utility model one embodiment provides.
Embodiment
As shown in Figure 1, the medical temperature monitor of multirange comprises input equipment 1, controller 2, temperature-sensing probe 3, transmitting module 4 and modular converter 5.Input equipment 1 input range is selected signal.Controller 2 is electrically connected load module 1, receives the measurement range selection signal that load module 1 is inputted, and sends switch according to measurement range selection signal and select signal.Temperature-sensing probe 3 collecting temperature signals.Transmitting module 4 comprises multicircuit switch 401 and at least one amplifier 402, and multicircuit switch 401 receives the temperature signal that temperature-sensing probe 3 collects, and the switch sending according to controller 2 selects signal to select to be electrically connected the amplifier 402 of different gains.Modular converter 5 is electrically connected amplifier 402, and the electric signal that amplifier 402 is exported is converted to standard electric signal.
In the present embodiment, input equipment is four buttons, is respectively the button that powers on, increases button, reduces button and definite key.The model of temperature-sensing probe 3 can be Pt100.The model of controller 2 can be C8051F340.The gain of amplifier 402 can be by regulating gain resistor to meet consumers' demand.In the present embodiment, amplifier 402 is set and there are seven grades of different gains, be respectively 6.25/12.5/25/50/100/200/400.But the utility model is not limited in any way this.
Particularly, when measured signal amplitude hour, as in the time being less than 50 ℃, can input by input equipment 1 the measurement range selection signal of 0 ℃～50 ℃ in order to improve accuracy of detection user.Controller 2 receives this measurement range selection signal, and sends switch according to this measurement range selection signal and select signal to multicircuit switch 401.The switch selection signal selection gain that multicircuit switch 401 sends according to controller 2 is 6.25 amplifier, and the range that makes input signal is 0 ℃～50 ℃.When input signal is 50 ℃～100 ℃, user can input by input equipment 1 the measurement range selection signal of 0 ℃～100 ℃.Controller 2 receives this measurement range selection signal, making multicircuit switch 401 select gain is 12.5 amplifier, make input signal range be converted to 0 ℃～100 ℃ from 0 ℃～50 ℃, make the medical temperature monitor of multirange can gather the temperature signal of 50 ℃～100 ℃.In like manner, can realize the selection of multiple ranges such as 0 ℃～200 ℃, 0 ℃～300 ℃, 0 ℃～400 ℃, 0 ℃～500 ℃ by changing the gain of amplifier 402, solve the low problem of measuring accuracy that conventional temperature detector causes because range is single.
In the present embodiment, temperature-sensing probe 3, transmitting module 4 and modular converter 5 are arranged on the first wiring board, input equipment 1 and controller 2 are arranged on the second wiring board.Due on the first wiring board by mimic channel composition, thereby while using at the scene, use separately the first wiring board only being formed by mimic channel, greatly improved the antijamming capability that becomes the medical temperature monitor of multirange.And separately, the second wiring board can support the use from the first different wiring boards, for regulating different first ranges of wiring board 100 and the calibration of range, has saved flexibly and easily and greatly use cost for the first wiring board and the second wiring board.
In the present embodiment, modular converter 5 is voltage/current conversion circuit, and the voltage signal that amplifier 402 is exported is converted to standard current signal.In the present embodiment, the voltage signal that voltage/current conversion circuit is exported amplifier 402 is converted to normalized current 4～20mA, can only change the detection system use that matches for medical industry from different.But the utility model is not limited in any way this.In other embodiment, the voltage signal that can amplifier 402 be exported by the transfer resistance on regulation voltage/current converter circuit is converted to other current signal.
In the present embodiment, the medical temperature monitor of multirange also comprises non-linearization calibration module 6, is electrically connected temperature-sensing probe 3.Be that the platinum resistance of PT100 is as temperature-sensing probe 3 owing to adopting model in the present embodiment.And between platinum resistance and temperature, there is certain nonlinear relationship, and therefore, increase the non-linearity that non-linearization calibration module 6 compensation for calibrating errors platinum resistance are measured, further improve measuring accuracy.In the present embodiment, the medical temperature monitor of multirange also comprises temperature-sensing probe error detection module 7, is electrically connected between temperature-sensing probe 3 and multicircuit switch 401.In the time that temperature-sensing probe 3 is short-circuited or opens circuit, sensor error detection module 7 exceedes output the signal of the input range of amplifier 402.Amplifier 402 cannot amplify output to the signal of this super scope, therefore, has prevented because of temperature-sensing probe 3 error-detecting causing that breaks down, and has further improved the confidence level detecting.In the present embodiment, between temperature-sensing probe 3 and multicircuit switch 401, be electrically connected by three-wire system connection method.Compared with traditional two-wire system connection method, three-wire system connection method has been eliminated the error that conductor resistance brings, and has improved the measuring accuracy of signal.But the utility model does not do any restriction to this.In other embodiment, between temperature-sensing probe 3 and multicircuit switch 401, can be connected by four lambda limiting process.
In the present embodiment, the medical temperature monitor of multirange also comprises USB interface 8, is electrically connected controller 1.Can regularly and carry out exchanges data by USB interface 8 between host computer for the medical temperature monitor of multirange.USB interface 8 is a kind of serial bus standards, has the advantages such as versatility is good, transmission speed is high, support hot plug, plug and play.
In the present embodiment, the medical temperature monitor of multirange also comprises isolation module 10, is electrically connected respectively controller 2 and transmitting module 4.Controller 2 belongs to digital display circuit, and transmitting module 4 is simulation system, in the time that both link together, between digital signal and simulating signal, will certainly influence each other, thereby have influence on the output accuracy of transmitting module 4.Increase isolation module 10 and can eliminate influencing each other between digital signal and simulating signal, improve the output accuracy of transmitting module 4.Preferably, the inductance of to adopt model be CD4066 analog switch and the 4mH that is electrically connected with this switch is isolated simulation system and digital display circuit.In the present embodiment, the medical temperature monitor of multirange also comprises output device 11, is electrically connected controller 2.Preferably, the LCDs that output device 11 is SMS0408 for model, it can be used for the range gear that shows that user selects.
In the present embodiment, the medical temperature monitor of multirange also comprises voltage regulator module, for the medical temperature monitor of multirange provides the operating voltage of multiple amplitudes.In the present embodiment, voltage regulator module can be adjusted into 24V stabilized voltage supply 5V power supply.But the utility model is not limited in any way this, in other embodiment, voltage regulator module can lead to formation ± 5V, ± plurality of paths of voltage stabilizing circuits such as 12V.
In sum, temperature-sensing probe 1 Real-time Collection temperature signal temperature signal is converted to electric signal sends the multicircuit switch 401 in transmitting module 4 to.Input equipment 1 input range is selected signal, controller 2 receives measurement range selection signal, thereby and select the amplifier 402 of different gains to realize the conversion of range according to this signal controlling multicircuit switch 401, multiple range medical detector is applicable to the detection of the storing temperature of the special medicine of difference.And the electric signal of amplifier output is converted to standard electric signal by modular converter 5, make the use that can match with intelligent Detection of this multiple range medical detector.
In addition, temperature-sensing probe 3, transmitting module 4 and modular converter 5 are arranged on the first wiring board, input equipment 1 and controller 2 are arranged on the second wiring board.And in the time of temperature detection, use separately the first wiring board 100 only being formed by mimic channel, and compare digital circuit, the antijamming capability of mimic channel is stronger, can further improve the accuracy of detection of detector.And separately, the second wiring board can support the use from the first different wiring boards, has saved flexibly and easily and greatly manufacturing cost for the first wiring board and the second wiring board.By change-over circuit 5 being set for voltage/current conversion circuit, it can be converted to standard current signal by the voltage signal of amplifier output, meets the input demand of different intelligent Detection.By non-linearization calibration module 6 is set, the nonlinear temperature relation that its adjustable temperature-sensing probe 3 produces, improves measuring accuracy.Adopt three-wire system method to be electrically connected temperature-sensing probe 3 and multicircuit switch 401, can reduce the signal attenuation on wire, improve measurement accuracy.
Although the utility model is disclosed as above by preferred embodiment; but not in order to limit the utility model; anyly know this skill person; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.
Claims (10)
1. the medical temperature monitor of multirange, is characterized in that, comprising:
Input equipment, input range is selected signal;
Controller, is electrically connected described load module, receives the measurement range selection signal of described load module input, and sends switch according to measurement range selection signal and select signal;
Temperature-sensing probe, collecting temperature signal;
Transmitting module, comprises multicircuit switch, at least one amplifier, and multicircuit switch receives the temperature signal that described temperature-sensing probe collects, and the switch sending according to described controller selects signal to select the amplifier of different gains;
Modular converter, is electrically connected described amplifier, and the electric signal of described amplifier output is converted to standard electric signal.
2. the medical temperature monitor of multirange according to claim 1, is characterized in that, described temperature-sensing probe, transmitting module and modular converter are arranged on the first wiring board, and described input equipment and controller are arranged on the second wiring board.
3. the medical temperature monitor of multirange according to claim 1, is characterized in that, described modular converter is voltage/current conversion circuit, and the voltage signal of described amplifier output is converted to standard current signal.
4. the medical temperature monitor of multirange according to claim 1, is characterized in that, the medical temperature monitor of described multirange also comprises non-linearization calibration module, is electrically connected described temperature-sensing probe.
5. the medical temperature monitor of multirange according to claim 1, is characterized in that, the medical temperature monitor of described multirange also comprises temperature-sensing probe error detection module, is electrically connected respectively described temperature-sensing probe and multicircuit switch.
6. the medical temperature monitor of multirange according to claim 1, is characterized in that, between described temperature-sensing probe and described multicircuit switch, is electrically connected by three-wire system connection method.
7. the medical temperature monitor of multirange according to claim 1, is characterized in that, the medical temperature monitor of described multirange also comprises USB interface, is electrically connected described controller.
8. the medical temperature monitor of multirange according to claim 1, is characterized in that, the medical temperature monitor of described multirange also comprises voltage regulator module, for whole device provides the operating voltage of multiple amplitudes.
9. the medical temperature monitor of multirange according to claim 1, is characterized in that, the medical temperature monitor of described multirange also comprises isolation module, is electrically connected respectively described controller and transmitting module.
10. the medical temperature monitor of multirange according to claim 1, is characterized in that, the medical temperature monitor of described multirange also comprises output device, is electrically connected described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868179.3U CN203688096U (en) | 2013-12-26 | 2013-12-26 | Multirange medical temperature detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868179.3U CN203688096U (en) | 2013-12-26 | 2013-12-26 | Multirange medical temperature detecting instrument |
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| Publication Number | Publication Date |
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| CN203688096U true CN203688096U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868179.3U Expired - Fee Related CN203688096U (en) | 2013-12-26 | 2013-12-26 | Multirange medical temperature detecting instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942170A (en) * | 2017-11-30 | 2018-04-20 | 深圳市新国都支付技术有限公司 | One kind charging detection device |
| CN112816088A (en) * | 2021-01-12 | 2021-05-18 | 北京微芯区块链与边缘计算研究院 | Self-adaptive range switching temperature sensor |
| CN113865731A (en) * | 2020-06-30 | 2021-12-31 | 比亚迪股份有限公司 | Electronic temperature measuring instrument and amplifying circuit |
-
2013
- 2013-12-26 CN CN201320868179.3U patent/CN203688096U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942170A (en) * | 2017-11-30 | 2018-04-20 | 深圳市新国都支付技术有限公司 | One kind charging detection device |
| CN113865731A (en) * | 2020-06-30 | 2021-12-31 | 比亚迪股份有限公司 | Electronic temperature measuring instrument and amplifying circuit |
| CN112816088A (en) * | 2021-01-12 | 2021-05-18 | 北京微芯区块链与边缘计算研究院 | Self-adaptive range switching temperature sensor |
| CN112816088B (en) * | 2021-01-12 | 2023-06-06 | 北京微芯区块链与边缘计算研究院 | Self-adaptive range switching temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20161226 |