CN211178799U - Metering device for temperature sensor - Google Patents
Metering device for temperature sensor Download PDFInfo
- Publication number
- CN211178799U CN211178799U CN201922269239.XU CN201922269239U CN211178799U CN 211178799 U CN211178799 U CN 211178799U CN 201922269239 U CN201922269239 U CN 201922269239U CN 211178799 U CN211178799 U CN 211178799U
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- temperature sensor
- signal input
- input port
- control part
- temperature control
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Abstract
The utility model discloses a metering device for a temperature sensor, which comprises an upper computer, a circuit board and a detection module; the upper computer comprises a CPU, a display and a memory, the display and the memory are respectively connected with the CPU, and the upper computer is also provided with a first communication interface connected with the CPU; the circuit board is integrated with a DSP chip and is also provided with a second communication interface, a first signal output port, a first signal input port and a second signal input port which are connected with the DSP chip; the detection module comprises an electric temperature control part, a camera and a mercury thermometer, the mercury thermometer is arranged on the electric temperature control part, the camera is used for collecting image information of the mercury thermometer, the electric temperature control part is connected with a first signal output port through an IGBT, and the camera is connected with the first signal input port. The metering device for the temperature sensor can quickly and accurately meter and calibrate the temperature sensor to be measured so as to improve the calibration efficiency and accuracy.
Description
Technical Field
The utility model relates to a measurement technical field especially relates to a metering device for temperature sensor.
Background
At present, temperature sensors are widely applied to subway vehicles and used for automatically detecting various temperatures in the subway vehicles. In the use process of the temperature sensor, when the detection error is large, the re-metering calibration is needed. The prior art generally needs to be provided with a constant temperature device to calibrate the temperature sensor, and is long in time consumption and poor in accuracy. How to design a technique that improves calibration efficiency and accuracy is the utility model discloses the technical problem that will solve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the metering device for the temperature sensor is capable of quickly and accurately metering and calibrating the temperature sensor to be measured so as to improve calibration efficiency and accuracy.
The utility model provides a technical scheme that the metering device for the temperature sensor comprises an upper computer, a circuit board and a detection module; the upper computer comprises a CPU, a display and a memory, the display and the memory are respectively connected with the CPU, and the upper computer is also provided with a first communication interface connected with the CPU; the circuit board is integrated with a DSP chip and is also provided with a second communication interface, a first signal output port, a first signal input port and a second signal input port which are connected with the DSP chip; detection module includes electric temperature control part, camera and mercury thermometer, mercury thermometer sets up on the electric temperature control part, the camera is used for gathering the image information of mercury thermometer, electric temperature control part pass through IGBT with first signal output port connects, the camera with first signal input port connects.
Further, the detection module includes standard temperature sensor, standard temperature sensor sets up on the electric temperature control part, still be provided with the connection on the circuit board the third signal input port of DSP chip, standard temperature sensor with the third signal input port is connected.
Furthermore, automatically controlled temperature part includes semiconductor refrigeration piece and heat conduction seat, the semiconductor refrigeration piece sets up on the heat conduction seat, be provided with a plurality of detection jacks on the heat conduction seat, mercury thermometer with standard temperature sensor sets up correspondingly in the detection jack.
Furthermore, the electric control temperature component also comprises a PCT heating body, and the PCT heating body is arranged on the heat conducting seat.
Further, the detection module comprises a plurality of mercury thermometers and a plurality of standard temperature sensors.
Compared with the prior art, the utility model discloses an advantage is with positive effect: through adopting the camera to gather the image information of mercury thermometer, the host computer can carry out image identification in order to obtain the temperature value that mercury thermometer instructed to image information, utilizes the temperature value that mercury thermometer instructed to measure the detection temperature of calibrating the temperature sensor that awaits measuring, and then improves and carries out the precision. Meanwhile, in the measuring process, the setting of keeping constant temperature is not needed, and the measuring process is simpler and faster so as to improve the efficiency of detection and calibration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of an embodiment of the metering device for a temperature sensor according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the metering device for a temperature sensor of the present embodiment includes an upper computer 1, a circuit board 2 and a detection module 3; the upper computer 1 comprises a CPU11, a display 12 and a memory 13, wherein the display 12 and the memory 13 are respectively connected with the CPU11, and the upper computer 1 is also provided with a first communication interface 101 connected with the CPU 11; the circuit board 2 is integrated with a DSP chip 21, and the circuit board 2 is also provided with a second communication interface 201, a first signal output port 202, a first signal input port 203 and a second signal input port 204 which are connected with the DSP chip 21; detection module 3 includes automatically controlled temperature part, camera 31 and mercury thermometer 32, and mercury thermometer 32 sets up on the electricity accuse temperature part, camera 31 are used for gathering mercury thermometer 32's image information, electricity accuse temperature part passes through IGBT20 and is connected with first signal output port 202, camera 31 with first signal input port connects.
In actual use, the temperature sensor 100 to be measured is mounted and fixed on the electrically controlled temperature part, and the temperatures of the temperature sensor 100 to be measured and the mercury thermometer 32 are simultaneously changed through the electrically controlled temperature part. The temperature signal detected by the temperature sensor 100 to be measured is input to the circuit board 2 through the second signal input port 204, and the image information of the mercury thermometer 32 collected by the camera 31 is also input to the circuit board 2 through the first signal input port 203. The circuit board 2 transmits the image information and the temperature signal to the upper computer 1, and the image information and the temperature signal are processed by the CPU11 in the upper computer 1 to measure the detection accuracy of the temperature sensor 100 to be detected. The specific method for the CPU11 to perform image recognition may be a conventional image recognition technology, which is not limited herein; in addition, the circuit board 2 can output signals by means of the DSP chip 21 and can control the operation of the electrical temperature control component, and specific circuit structures of the circuit board 2 are not limited and described herein. And for the data collected and calibrated, it may be stored in memory 13 for data collection.
Further, detection module 3 includes standard temperature sensor 33, and standard temperature sensor 33 sets up on the electric temperature control part, still be provided with the third signal input port 205 of connecting DSP chip 21 on the circuit board 2, standard temperature sensor 33 with the third signal input port is connected. Specifically, the standard temperature sensor 33 is calibrated by measurement, and when the actual measurement is carried out, the standard temperature sensor 33 can detect the temperature more rapidly, and the temperature value detected by the standard temperature sensor 33 and the temperature value of the mercury thermometer 32 are analyzed, so that the detection efficiency and the accuracy are improved.
In some embodiments, the representation entity of the temperature-controlled component may include a semiconductor cooling plate 34 and a heat conducting base (not shown), the semiconductor cooling plate 34 is disposed on the heat conducting base, a plurality of detection jacks (not shown) are disposed on the heat conducting base, and the mercury thermometer 32 and the standard temperature sensor 33 are disposed in the corresponding detection jacks. Specifically, the heat conducting seat may be made of a material having excellent heat conducting properties, such as aluminum or copper, and the semiconductor cooling fins 34 can cool or heat the heat conducting seat after being powered on, so that the mercury thermometer 32, the standard temperature sensor 33, and the temperature sensor 100 to be measured, which are arranged on the heat conducting seat, are changed in temperature through the heat conducting seat. Preferably, in order to accurately control the heating temperature, the temperature control part further includes a PCT heating element 35, the PCT heating element 35 is disposed on the heat conducting seat, specifically, the PCT heating element 35 is mainly used for heating the heat conducting seat, and the semiconductor cooling plate 34 is mainly used for cooling the heat conducting seat. In actual use, in order to obtain more accurate values for the metrological calibration, a plurality of mercury thermometers 32 and a plurality of standard temperature sensors 33 may be used to obtain an average value to provide the accuracy of detection.
Compared with the prior art, the utility model discloses an advantage is with positive effect: through adopting the camera to gather the image information of mercury thermometer, the host computer can carry out image identification in order to obtain the temperature value that mercury thermometer instructed to image information, utilizes the temperature value that mercury thermometer instructed to measure the detection temperature of calibrating the temperature sensor that awaits measuring, and then improves and carries out the precision. Meanwhile, in the measuring process, the setting of keeping constant temperature is not needed, and the measuring process is simpler and faster so as to improve the efficiency of detection and calibration.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A metering device for a temperature sensor is characterized by comprising an upper computer, a circuit board and a detection module; the upper computer comprises a CPU, a display and a memory, the display and the memory are respectively connected with the CPU, and the upper computer is also provided with a first communication interface connected with the CPU; the circuit board is integrated with a DSP chip and is also provided with a second communication interface, a first signal output port, a first signal input port and a second signal input port which are connected with the DSP chip; detection module includes electric temperature control part, camera and mercury thermometer, mercury thermometer sets up on the electric temperature control part, the camera is used for gathering the image information of mercury thermometer, electric temperature control part pass through IGBT with first signal output port connects, the camera with first signal input port connects.
2. The metering device for the temperature sensor according to claim 1, wherein the detection module comprises a standard temperature sensor, the standard temperature sensor is arranged on the electric temperature control component, a third signal input port connected with the DSP chip is further arranged on the circuit board, and the standard temperature sensor is connected with the third signal input port.
3. The metering device for the temperature sensor according to claim 2, wherein the electric temperature control part comprises a semiconductor refrigeration piece and a heat conduction seat, the semiconductor refrigeration piece is arranged on the heat conduction seat, a plurality of detection jacks are arranged on the heat conduction seat, and the mercury thermometer and the standard temperature sensor are arranged in the corresponding detection jacks.
4. The measuring device for the temperature sensor according to claim 3, wherein the electric temperature control part further comprises a PCT heating element, and the PCT heating element is disposed on the heat conducting seat.
5. The metering device for a temperature sensor according to claim 2, wherein the detection module comprises a plurality of the mercury thermometers and a plurality of the standard temperature sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269239.XU CN211178799U (en) | 2019-12-17 | 2019-12-17 | Metering device for temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269239.XU CN211178799U (en) | 2019-12-17 | 2019-12-17 | Metering device for temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178799U true CN211178799U (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922269239.XU Expired - Fee Related CN211178799U (en) | 2019-12-17 | 2019-12-17 | Metering device for temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211178799U (en) |
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2019
- 2019-12-17 CN CN201922269239.XU patent/CN211178799U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200804 Termination date: 20201217 |