CN213780013U - Gas detection sensor assembly - Google Patents
Gas detection sensor assembly Download PDFInfo
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- CN213780013U CN213780013U CN202021986451.4U CN202021986451U CN213780013U CN 213780013 U CN213780013 U CN 213780013U CN 202021986451 U CN202021986451 U CN 202021986451U CN 213780013 U CN213780013 U CN 213780013U
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Abstract
The utility model relates to a gaseous detection area, concretely relates to gaseous detection sensor subassembly, including casing, circuit board, temperature sensor, humidity transducer, gas sensor, filter unit, bottom and wire. The utility model discloses not only can effectively reduce the interference of external environment to gaseous detection, the convenience is to the change and the maintenance of sensor, still can strengthen the protection to the sensor or calibrate the sensor at gaseous detector installation scene through connecting gaseous calibrating device through connecting outside protective member.
Description
Technical Field
The utility model relates to a gaseous detection area, concretely relates to gaseous detection sensor subassembly.
Background
The sensor is the most core component of the gas detector, but due to the limitation of the prior art, the sensor is inevitably influenced by the temperature and humidity changes in the environment, and the accuracy of output data is further influenced. For avoiding this kind of influence as far as possible, the gas detector all can carry on the temperature and humidity measurement function under the general condition, cooperates software temperature and humidity compensation algorithm and then reaches the compensation because of the influence that temperature and humidity change produced the data, the effect of output accurate data.
When the gas detector with the temperature and humidity detection function works, temperature and humidity and gas concentration detection data need to be output at the same time, a temperature and humidity compensation algorithm is arranged in the gas detector, and the main control module carries out analysis processing and outputs the temperature and humidity detection data and the gas concentration data to the display module to be displayed after receiving the temperature and humidity detection data and the gas concentration data collected by the collection module. Due to the uncertainty of the external environment, the temperature and humidity at the sensor are basically in a real-time changing state, and at the moment, the temperature and humidity change of the environment where the sensor is located can be accurately detected in real time, so that an accurate gas concentration value can be output after temperature and humidity compensation, and the accuracy and the real-time performance are very important.
In addition, the design of the sensor integrated into the gas detector body does not facilitate replacement or maintenance of the sensor in the event of a failure.
Disclosure of Invention
For solving the problem that exists, the utility model provides an integrated temperature and humidity measurement sensor and with the convenient gaseous detection sensor subassembly of dismantling of gaseous detector body.
The technical scheme of the utility model is that: the utility model provides a gaseous sensor subassembly that detects, includes casing, circuit board, temperature sensor, humidity transducer, gas sensor, filter element, bottom and wire, temperature sensor humidity transducer with gas sensor all integrates in on the circuit board, the inside holding chamber that forms of casing, the circuit board is fixed in the holding intracavity, and with the wire electricity is connected, filter element is fixed in the casing is kept away from a side end face of wire, the bottom with the casing is kept away from a side end face fixed connection of wire.
Preferably, the circuit board is fixed in the accommodating cavity through a sealant.
Preferably, the temperature sensor, the humidity sensor and the gas sensor are connected with the circuit board in a pluggable manner.
Preferably, the lead is fixed on one end face of the shell through a sealant.
Preferably, one side of the shell, which is close to the lead, is provided with an external thread so as to be in fit connection with the gas detector body.
Preferably, the filter part is a metal filter screen and a waterproof and breathable film.
Preferably, the bottom cover is provided with a threaded hole, the end surface of one side of the shell, which is far away from the lead, is correspondingly provided with a threaded hole, and the bottom cover is fixedly connected with the shell through a screw.
Preferably, the bottom cover is provided with a vent hole to form a relatively closed gas measurement chamber with the accommodating cavity.
Preferably, one side of the shell, which is far away from the lead, can be provided with an external thread so as to be in fit connection with an external protection component or a calibration component.
Preferably, the shell can be provided with anti-skid lines.
The utility model has the advantages that: the gas sensor, the temperature sensor and the humidity sensor are integrated together, so that data acquired by the temperature sensor and the humidity sensor are closer to temperature data and humidity data corresponding to the current gas acquired by the gas sensor, the interference of the external environment to the sensor is reduced, and the real-time performance and accuracy of the acquired data are ensured. Through being connected this sensor package and gas detection appearance body detachable, conveniently change or maintain the sensor when the sensor trouble. The sensor's useful life is increased by removably attaching the sensor assembly to an external shield member. In addition, the sensor assembly can be detachably connected with an external calibration device, so that the sensor can be conveniently calibrated on site.
Drawings
Fig. 1 is the explosion structure diagram of the gas detection sensor assembly of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, as an embodiment of the utility model provides a gas detection sensor assembly, including casing 1, circuit board 2, temperature sensor, humidity transducer, gas sensor, filter element 3, bottom 4 and wire 5, temperature sensor humidity transducer with gas sensor all integrate in on the circuit board 2, the inside holding chamber that forms of casing 1, circuit board 2 is fixed in the holding intracavity, and with 5 electricity connections of wire, filter element 3 is fixed in the casing is kept away from a side end face of wire 5, bottom 4 with casing 1 is kept away from a side end face fixed connection of wire 5.
In a preferred embodiment, the circuit board 2 is fixed in the accommodating cavity by using a sealant, the lead is fixed to extend out of one end face of the housing 1 by the sealant, and one side of the circuit board, which faces away from the lead, is coated with a layer of sealant to expose only the sensor socket, so that the accommodating cavity is actually divided into two parts by the sealant, the corrosion of the circuit board and the lead by the gas to be detected when the gas to be detected is corrosive gas is prevented, the corrosion of the device caused by the gas to be detected entering the gas detector body is effectively prevented, and a relatively closed gas sampling air chamber is formed on one side far away from the lead 5.
Temperature sensor humidity transducer with gas sensor integration in circuit board 2 dorsad one side of wire 5, through interface on the circuit board is connected, makes temperature data that temperature sensor gathered with humidity data that humidity sensor gathered with the gas concentration data that gas sensor gathered keep high synchronism, and current environment humiture information is gathered to reaction gas that can be real-time, accurate, has reduced the interference of the change of environment humiture to gas acquisition.
The filter part 3 can include metal filters and waterproof ventilated membranes, the metal filters can filter the solid particulate matters with larger particle sizes in the gas to be detected, the waterproof ventilated membranes can filter the aqueous vapor in the gas to be detected, and the interference and damage of impurities in the gas to be detected to the sensor are effectively prevented.
The bottom cover 4 is provided with a threaded hole, a threaded hole is correspondingly formed in one side end face, far away from the lead 5, of the shell 1, the bottom cover 4 is fixedly connected with the shell 1 through a screw, the bottom cover 4 extrudes the filtering component 3 to enable the filtering component 3 to be tightly attached to one side end face, far away from the lead 5, of the shell 1, a vent hole is formed in the bottom cover 4, and gas to be detected enters the accommodating cavity through the vent hole.
Casing 1 is close to the external screw thread has been seted up to one side of wire 5, the correspondence of gas detection appearance body is equipped with the internal thread, like this a just detachable of gas detection sensor subassembly and this body coupling of gas detection, convenient sensor's change or maintenance when the sensor breaks down.
Casing 1 is kept away from the external screw thread has been seted up to one side of wire 5, outside protective part or gaseous calibration device correspond and are equipped with the internal thread, like this a gaseous detection sensor subassembly just detachable is connected with outside protective part or gaseous calibration device, outside protective part can play the guard action to the sensor, can be directly to the sensor calibration at gaseous detector erection site through being connected with gaseous calibration device.
The last anti-skidding line of having seted up of casing 1, gaseous detection sensor subassembly play skid-proof effect when being connected with gas detection appearance body or outside protective part or gaseous calibration device.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. A gas detection sensor assembly, characterized by: including casing, circuit board, temperature sensor, humidity transducer, gas sensor, filter element, bottom and wire, temperature sensor humidity transducer with gas sensor all integrates in on the circuit board, the inside holding chamber that forms of casing, the circuit board is fixed in the holding intracavity, and with the wire electricity is connected, filter element is fixed in the casing is kept away from a side end face of wire, the bottom with the casing is kept away from a side end face fixed connection of wire.
2. The gas detection sensor assembly of claim 1, wherein: the temperature sensor, the humidity sensor and the gas sensor are connected with the circuit board in a pluggable mode.
3. The gas detection sensor assembly of claim 1, wherein: the filtering part is a metal filter screen or a waterproof breathable film.
4. The gas detection sensor assembly of claim 1, wherein: the bottom cover is provided with a threaded hole, the end face of one side, away from the lead, of the shell is correspondingly provided with a threaded hole, and the bottom cover is fixedly connected with the shell through a screw.
5. The gas detection sensor assembly of claim 1, wherein: the bottom cover is provided with a vent hole to form a relatively closed gas measurement chamber with the accommodating cavity.
6. The gas detection sensor assembly of claim 1, wherein: and one side of the shell, which is close to the lead, is provided with an external thread so as to be in adaptive connection with the gas detector body.
7. The gas detection sensor assembly of claim 1, wherein: and one side of the shell, which is far away from the lead, is provided with an external thread so as to be in adaptive connection with an external protection component or a calibration component.
8. The gas detection sensor assembly of claim 1, wherein: the shell is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021986451.4U CN213780013U (en) | 2020-09-11 | 2020-09-11 | Gas detection sensor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021986451.4U CN213780013U (en) | 2020-09-11 | 2020-09-11 | Gas detection sensor assembly |
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| Publication Number | Publication Date |
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| CN213780013U true CN213780013U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021986451.4U Active CN213780013U (en) | 2020-09-11 | 2020-09-11 | Gas detection sensor assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114258904A (en) * | 2021-12-27 | 2022-04-01 | 郑州华粮科技股份有限公司 | Fumigation apparatus is prevented to granary humiture |
| TWI794057B (en) * | 2022-03-17 | 2023-02-21 | 群邁通訊股份有限公司 | Device and method for gas measuring and system for air cleaning |
-
2020
- 2020-09-11 CN CN202021986451.4U patent/CN213780013U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114258904A (en) * | 2021-12-27 | 2022-04-01 | 郑州华粮科技股份有限公司 | Fumigation apparatus is prevented to granary humiture |
| TWI794057B (en) * | 2022-03-17 | 2023-02-21 | 群邁通訊股份有限公司 | Device and method for gas measuring and system for air cleaning |
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