CN209821115U - Detection equipment of absolute humidity sensor - Google Patents
Detection equipment of absolute humidity sensor Download PDFInfo
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- CN209821115U CN209821115U CN201822252361.1U CN201822252361U CN209821115U CN 209821115 U CN209821115 U CN 209821115U CN 201822252361 U CN201822252361 U CN 201822252361U CN 209821115 U CN209821115 U CN 209821115U
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- humidity
- humidity sensor
- absolute humidity
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- temperature
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000012372 quality testing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of sensor detection equipment, in particular to detection equipment of an absolute humidity sensor, which comprises a temperature and humidity generating device and a detection tube connected with the temperature and humidity generating device, wherein the detection tube is provided with an installation part for installing the absolute humidity sensor, a temperature and humidity measuring instrument is arranged in the temperature and humidity generating device and is used for measuring the humidity value in the temperature and humidity generating device so as to obtain a standard humidity value, this check out test set still includes processing apparatus, processing apparatus receives the humidity signal that absolute humidity sensor sent and obtains the measurement humidity value that absolute humidity sensor measured, thereby processing apparatus compares standard humidity value and measurement humidity value again and judges whether the quality of absolute humidity sensor passes, and this check out test set is applicable to absolute humidity sensor's quality testing work more.
Description
Technical Field
The utility model relates to a sensor check out test set field especially relates to an absolute humidity sensor's check out test set.
Background
The thermistor type absolute humidity sensor is one of important sensors for measuring humidity value in high temperature environment in the future, and is mainly applied to high temperature and humidity environment such as microwave oven, clothes dryer and the like. The quality inspection work of the absolute humidity sensor is particularly important in the process of producing the absolute humidity sensor, the detection and acceptance work of the sensor is only carried out through the temperature and humidity identification box at present, but the temperature and humidity identification box is high in manufacturing cost, large in power and large in size, resource loss is easily caused due to the fact that precision parameters are excessive, and the existing temperature and humidity identification box is not suitable for the acceptance inspection work of products and is not suitable for mass production and manufacturing.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a detection device of an absolute humidity sensor, which is more suitable for the quality detection work of the absolute humidity sensor.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides an absolute humidity sensor's check out test set, includes humiture generating device and the sense tube of being connected with humiture generating device, the sense tube is provided with the installed part of installation absolute humidity sensor, its characterized in that: be provided with humiture measuring instrument in humiture generating device, thereby humiture measuring instrument is arranged in measuring the humidity value among the humiture generating device and obtains standard humidity value, and this check out test set still includes processing apparatus, processing apparatus receives the humidity signal that absolute humidity sensor sent and obtains the measurement humidity value that absolute humidity sensor measured, thereby processing apparatus compares standard humidity value and measurement humidity value again and judges whether absolute humidity sensor's quality reaches.
By adopting the technical scheme, a standard humidity value in the temperature and humidity generating device is measured by using the temperature and humidity measuring instrument, a humidity signal measured by the absolute humidity sensor is converted into a measured humidity value, and the measured humidity value is compared with the standard humidity value, so that whether the quality of the absolute humidity sensor is qualified or not is judged; the technical scheme uses few instruments and is low in cost, the device volume of the whole detection device is small, the production and manufacturing difficulty is reduced, and the method using the detection device is simple and convenient, so that the detection device of the absolute humidity sensor is more suitable for the detection work of the absolute humidity sensor.
Further, if the measured humidity value is within the preset error range of the standard humidity value, the quality passing condition of the absolute humidity sensor is judged, and if the measured humidity value is not within the preset error range of the standard humidity value, the quality failing condition of the absolute humidity sensor is judged.
Further, an airflow accelerator is arranged at the position where the temperature and humidity generating device is connected with the detection pipe.
Further, the temperature and humidity generating device comprises a shell, a radiating fin arranged in the shell, a thermostatic bath arranged outside the shell and communicated with the radiating fin, a humidifier used for humidifying the inside of the shell and a dehumidifier used for dehumidifying the inside of the shell.
Further, the temperature and humidity measuring instrument is a cold mirror dew point instrument.
Further, the preset error range is ± 10% of the standard humidity value.
Further, the airflow accelerator is a fan.
Compared with the prior art, the beneficial effects of the utility model reside in that: firstly, a standard humidity value in a temperature and humidity generating device is measured by a temperature and humidity measuring instrument, then a humidity signal measured by an absolute humidity sensor is converted into a measured humidity value, and then the measured humidity value is compared with the standard humidity value, so that whether the quality of the absolute humidity sensor is qualified or not is judged; the technical scheme uses few instruments and is low in cost, the device volume of the whole detection device is small, the production and manufacturing difficulty is reduced, and the method using the detection device is simple and convenient, so that the detection device of the absolute humidity sensor is more suitable for the quality detection work of the absolute humidity sensor.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
In the figure: 1. a housing; 11. a heat sink; 12. a fan; 13. a dehumidifier; 14. a humidifier; 2. a detection tube; 21. mounting holes; 3. a chilled mirror dew point hygrometer; 4. a processing device; 5. and (5) a constant temperature tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
A detection device of an absolute humidity sensor is provided, as a preferred embodiment, as shown in FIG. 1, with a temperature and humidity generating device and a detection tube 2 (the detection tube 2 of the embodiment is preferably a rectangular tube) connected with the temperature and humidity generating device, the temperature and humidity generating device includes a housing 1, a heat sink 11 disposed in the housing 1, a thermostatic bath 5 disposed outside the housing 1 and connected to the heat sink 11 in the housing 1, a humidifier 14 for humidifying the interior of the housing 1, and a dehumidifier 13 for dehumidifying the interior of the housing 1, (in the embodiment, it is preferred that a water circulation temperature heat sink and a liquid circulation thermostatic bath are matched to change the temperature in the housing 1, the temperature fluctuation of the liquid circulation constant temperature is small, and the energy required for changing the temperature is large because the specific heat capacity of the liquid is high, so the stability of the temperature using the water circulation heat sink is higher than that using a conventional heating plate, meanwhile, the temperature value is controllable, so that the temperature setting for the detection sensor in the shell 1 is convenient;
the detection tube 2 is provided with a mounting part for mounting the absolute humidity sensor (in this embodiment, mounting holes 21 which are adaptive to the absolute humidity sensor and are uniformly arranged are preferred, so that a plurality of absolute humidity sensors can be simultaneously detected, and the working efficiency is improved), and an airflow accelerator is arranged at a position where the temperature and humidity generation device is connected with the detection tube 2 (in this embodiment, the airflow accelerator is preferably a small-sized fan 12, and the fan 12 can accelerate the air flow speed between the temperature and humidity generation device and the detection tube 2, so that the environmental stability speed in the detection tube 2 is accelerated, and the detection environmental condition of the sensor is realized);
the temperature and humidity generating device is provided with a temperature and humidity measuring instrument, the temperature and humidity measuring instrument is used for measuring a humidity value in the temperature and humidity generating device to obtain a standard humidity value, (the temperature and humidity measuring instrument in the embodiment preferably selects a chilled mirror dew point instrument 3, the chilled mirror dew point instrument 3 belongs to a high-precision dew point instrument and can accurately measure a dew point temperature of air or other gases, a measured value of the chilled mirror dew point instrument 3 in the embodiment is the standard humidity value and is used for subsequent comparison with the measured humidity value), the detection equipment further comprises a processing device 4, the processing device 4 receives a humidity signal sent by the absolute humidity sensor and obtains the measured humidity value measured by the absolute humidity sensor, and the processing device 4 compares the standard humidity value with the measured humidity value to judge whether the quality of the absolute humidity sensor is qualified or not, (the processing device 4 in the embodiment comprises a processor and a display device connected with the processor, the processor receives the humidity signal and obtains the measured humidity value measured by the absolute humidity sensor, and then sends the comparison result to the display device to display the comparison result), if the measured humidity value is within the preset error range of the standard humidity value, the quality passing condition of the absolute humidity sensor is judged, if the measured humidity value is not within the preset error range of the standard humidity value, the quality failing condition of the absolute humidity sensor is judged, (the preset error range in the embodiment is +/-10% of the standard humidity value, and the preset error range can be adjusted according to actual production requirements).
The method comprises the steps of firstly setting a required temperature and humidity environment in a temperature and humidity generating device, enabling the interior of a detection tube to quickly reach the set temperature and humidity through an airflow accelerator, measuring a standard humidity value in the temperature and humidity generating device by using a temperature and humidity measuring instrument, converting a humidity signal measured by an absolute humidity sensor into a measured humidity value by using a processing device, and comparing the measured humidity value with the standard humidity value so as to judge whether the quality of the absolute humidity sensor meets the requirements; the technical scheme has the advantages that the environment temperature and the environment humidity for detecting the absolute humidity sensor are more stable, fewer instruments are used, the cost is low, the size of the whole detection device is small, the production and manufacturing difficulty is reduced, and the method for using the detection device is simple and convenient, so that the detection device of the absolute humidity sensor is more suitable for the quality detection work of the absolute humidity sensor.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides an absolute humidity sensor's check out test set, includes humiture generating device and the sense tube of being connected with humiture generating device, the sense tube is provided with the installed part of installation absolute humidity sensor, its characterized in that: be provided with humiture measuring instrument in humiture generating device, thereby humiture measuring instrument is arranged in measuring the humidity value among the humiture generating device and obtains standard humidity value, and this check out test set still includes processing apparatus, processing apparatus receives the humidity signal that absolute humidity sensor sent and obtains the measurement humidity value that absolute humidity sensor measured, thereby processing apparatus compares standard humidity value and measurement humidity value again and judges whether absolute humidity sensor's quality reaches.
2. The absolute humidity sensor detecting apparatus of claim 1, wherein: and if the measured humidity value is within the preset error range of the standard humidity value, judging the quality of the absolute humidity sensor to be qualified, and if the measured humidity value is not within the preset error range of the standard humidity value, judging the quality of the absolute humidity sensor to be unqualified.
3. The absolute humidity sensor detecting apparatus of claim 1, wherein: and an airflow accelerator is arranged at the position where the temperature and humidity generating device is connected with the detection pipe.
4. The absolute humidity sensor detecting apparatus of claim 1, wherein: the temperature and humidity generating device comprises a shell, a radiating fin arranged in the shell, a thermostatic bath arranged outside the shell and communicated with the radiating fin, a humidifier used for humidifying the inside of the shell and a dehumidifier used for dehumidifying the inside of the shell.
5. The absolute humidity sensor detecting apparatus of claim 1, wherein: the temperature and humidity measuring instrument is a cold mirror dew point instrument.
6. The absolute humidity sensor detecting apparatus of claim 2, wherein: the preset error range is +/-10% of the standard humidity value.
7. The absolute humidity sensor detecting apparatus of claim 3, wherein: the airflow accelerator is a fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252361.1U CN209821115U (en) | 2018-12-29 | 2018-12-29 | Detection equipment of absolute humidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252361.1U CN209821115U (en) | 2018-12-29 | 2018-12-29 | Detection equipment of absolute humidity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209821115U true CN209821115U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252361.1U Active CN209821115U (en) | 2018-12-29 | 2018-12-29 | Detection equipment of absolute humidity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209821115U (en) |
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2018
- 2018-12-29 CN CN201822252361.1U patent/CN209821115U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510530 building 3, No. 17, Yunjun Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Aosong Electronics Co.,Ltd. Patentee after: Zhang Bin Address before: 510530 building 3, No. 17, Yunjun Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: AOSONG (GUANGZHOU) ELECTRONICS Co.,Ltd. Patentee before: Zhang Bin |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210902 Address after: 510530 building 3, No. 17, Yunjun Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Aosong Electronics Co.,Ltd. Address before: 510530 building 3, No. 17, Yunjun Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Aosong Electronics Co.,Ltd. Patentee before: Zhang Bin |
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| TR01 | Transfer of patent right |