CN210953969U - Gas detection device - Google Patents
Gas detection device Download PDFInfo
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- CN210953969U CN210953969U CN201921610756.2U CN201921610756U CN210953969U CN 210953969 U CN210953969 U CN 210953969U CN 201921610756 U CN201921610756 U CN 201921610756U CN 210953969 U CN210953969 U CN 210953969U
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Abstract
The utility model relates to a gaseous technical field that detects especially relates to a gaseous detection device, including two three way solenoid valve, moisture separator, gaseous detection sensor and air pump, two three way solenoid valve include first import and an export, moisture separator, gaseous detection sensor and air pump pipeline intercommunication in proper order. The utility model discloses a gaseous detection device has that the gas circuit relation of connection is simple, the installation degree of difficulty is lower, the lower advantage of gas leakage possibility.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a gaseous detection technology field, in particular to gaseous detection device.
[ background of the invention ]
Most of devices for detecting the concentration of certain gas in the market are complex in structure and gas circuit system, and the conditions of large installation difficulty and possible pipeline gas leakage and the like which influence the detection result can be caused by the complex factors of the gas circuit system and the like in the installation, connection and use processes.
Therefore, how to design a device for detecting gas concentration with a simple structure to reduce the installation difficulty, reduce the possibility of gas leakage, and the like becomes a key point to be solved.
[ Utility model ] content
In order to overcome the technical problem, the utility model provides a gas detection device.
The utility model provides a technical problem's scheme provides a gas detection device, include
Preferably, two three way solenoid valve, moisture separator, gaseous detection sensor and air pump, two three way solenoid valve include first import and an export, moisture separator, gaseous detection sensor and air pump pipeline intercommunication in proper order.
Preferably, the gas detection device further comprises a flow meter, and the flow meter is located between the water-gas separator and the gas detection sensor and is respectively communicated with the water-gas separator and the concentration sensor pipeline.
Preferably, two three-way solenoid valve still includes the second import, gaseous detection device still includes the condenser, the condenser includes first gas outlet, the second import and first gas outlet pipeline intercommunication.
Preferably, the condenser further comprises a first water outlet, the gas detection device further comprises a first one-way valve, and the first water outlet is connected with the first one-way valve.
Preferably, the water-gas separator comprises a second water outlet, the gas detection device further comprises a second one-way valve, and the second water outlet is connected with the second one-way valve.
Preferably, the gas detection sensor comprises a first gas detection sensor, a second gas detection sensor and a third gas detection sensor, and the first gas detection sensor, the second gas detection sensor and the third gas detection sensor are sequentially communicated through pipelines.
Preferably, the gas detection device further comprises a three-way pipe and a one-way throttle valve, the gas pump comprises a gas inlet port, and the three-way pipe is respectively communicated with the gas detection sensor, the one-way throttle valve and the gas inlet port pipeline.
Preferably, the gas detection device further comprises a filter, and the filter is located between the gas detection sensor and the gas pump and is respectively communicated with the gas detection sensor and the gas pump pipeline.
Compared with the prior art, the utility model discloses gaseous detection device has following advantage:
(1) the utility model discloses a gas detection device can accomplish the detection to the gas concentration that awaits measuring through two three-way solenoid valve, aqueous vapor bee edge tool, gaseous sensor, air pump that detects, and structure and gas circuit connection relation are simple, are favorable to reducing the installation degree of difficulty, also do benefit to quick accuracy and determine the gas leakage position.
(2) The setting of flowmeter is favorable to the staff to know the gas circulation condition in the device, does benefit to the staff and can carry out the adjustment of adaptability to the power of air pump according to the numerical value of flowmeter.
(3) The water vapor in the mixed gas can be separated in the condensation mode through the arrangement of the condenser, and the damage to the gas detection sensor caused by overhigh water content in the mixed gas can be reduced.
(4) The filter filters particles, so that damage of the particles to the air pump in the mixed gas can be reduced, and the service life of the air pump can be prolonged.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the gas detection device of the present invention.
Fig. 2 is a schematic structural diagram of the gas detection sensor of the gas detection device of the present invention.
Fig. 3 is the structure diagram of the gas detection sensor, the three-way pipe, the air pump and the one-way throttle valve of the gas detection device of the present invention.
Fig. 4 is a schematic structural diagram of a first modified embodiment of the gas detection device of the present invention.
Fig. 5A is a schematic structural diagram of a second modified embodiment of the gas detection device of the present invention.
Fig. 5B is a schematic structural diagram of an exhaust gas treatment device according to a second modified embodiment of the gas detection device of the present invention.
Fig. 5C is another schematic structural diagram of the exhaust gas treatment device according to the second modified embodiment of the gas detection device of the present invention.
Fig. 6 is a schematic structural diagram of a third modified embodiment of the gas detection device of the present invention.
Fig. 7 is a schematic structural diagram of a fourth modified embodiment of the gas detection apparatus of the present invention.
Fig. 8 is a schematic structural view of a fifth modified embodiment of the gas detection device of the present invention.
Fig. 9 is a schematic structural view of a sixth modified embodiment of the gas detection device of the present invention.
Description of reference numerals:
10. a gas detection device; 11. a condenser; 12. a two-position three-way electromagnetic valve; 13. a water-gas separator; 14. a gas detection sensor; 15. an air pump; 111. a first air inlet; 112. a first air outlet; 121. a first inlet; 122. a second inlet; 123. an outlet; 131. a second air inlet; 132. a second air outlet; 16. a first check valve; 17. a second one-way valve; 113. a first water outlet; 133. a second water outlet; 141. a first gas detection sensor; 142. a second gas detection sensor; 143. a third gas detection sensor; 18. a flow meter; 19. a three-way pipe; 20. a one-way throttle valve; 151. an air inlet port;
30. a gas detection device; 31. a filter; 34. a gas detection sensor; 35. an air pump;
40. a gas detection device; 41. a tail gas treatment device; 45. an air pump; 452. an air outlet port; 411. an absorption device; 412. a combustion device;
50. a gas detection device; 51. a third check valve; 521. a first inlet; 522. a second inlet;
60. a gas detection device; 61. a condenser; 62. a first temperature sensor; 63. a first temperature adjustment device;
70. a gas detection device; 71. a temperature raising device; 72. a second temperature sensor; 74. a second temperature adjustment device; 73. a water-gas separator; 78. a flow meter; 732. a second air outlet;
80. a gas detection device; 81. a buffer chamber; 88. a flow meter; 84. a gas detection sensor.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following 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.
Referring to fig. 1, the present invention provides a gas detecting device 10 for detecting the concentration of a gas to be detected in a mixed gas, which can detect the concentrations of a plurality of gases in the mixed gas. Specifically, in the present invention, the gas detection device 10 can detect three kinds of gases simultaneously. The gas detection device 10 includes a condenser 11, a two-position three-way electromagnetic valve 12, a water-gas separator 13, a gas detection sensor 14, a gas pump 15 and a power supply structure (not shown), the condenser 11 includes a first gas inlet 111, a first gas outlet 112, the two-position three-way electromagnetic valve 12 includes a first inlet 121, a second inlet 122 and an outlet 123, the water-gas separator 13 includes a second gas inlet 131 and a second gas outlet 132, the first gas outlet 112 and the second inlet 122, the outlet 123 is communicated with the second gas inlet 131 through a pipeline, the second gas outlet 132, the gas detection sensor 14, the gas pump 15 are communicated with the pipeline in sequence, the condenser 11, the two-position three-way electromagnetic valve 12, the gas detection sensor 14, and the gas pump 15 are respectively electrically.
The condenser 11 is used for cooling the passing mixed gas in a mode of condensing water vapor into water when meeting low temperature so as to separate water from gas; the moisture separator 13 is used for separating moisture in the mixed gas which is not condensed into water drops in the condenser 11 again or directly separating moisture between the mixed gas entering from the first inlet 121 so as to reduce the moisture in the mixed gas. It is understood that when the moisture of the mixed gas to be detected is heavy, such as gas in a wet area, air in the rain and after rain, etc., a worker may introduce the mixed gas from the first gas inlet 111 to perform two water-vapor separation processes to reduce the moisture content in the mixed gas, so as to reduce the damage of the moisture to the gas detection sensor 14; when the mixed gas is dry, the worker can introduce the mixed gas from the first inlet 121, so that the use of the condenser 11 can be reduced, and the electric quantity can be saved. The two-position three-way solenoid valve 12 is used for enabling the mixed gas to enter from the first inlet 121 or enter from the second inlet 122 under the operation of a worker, namely, two gas inlet ends are provided, and the worker can select a port into which the mixed gas is introduced according to the dryness and humidity degree of the mixed gas. The gas detection sensor 14 detects the concentration of a gas to be measured. The air pump 15 is used for pumping the mixed gas to provide the mixed gas with the power circulating in the gas detection device 10, specifically, when the mixed gas enters from the first inlet 121, the air pump 15 sequentially pumps air from the gas detection sensor 14, the moisture separator 13 and the two-position three-way electromagnetic valve 12, and when the mixed gas enters from the first air inlet 111, the air pump 15 sequentially pumps air from the gas detection sensor 14, the moisture separator 13, the two-position three-way electromagnetic valve 12 and the condenser 11.
Referring to fig. 1, preferably, the gas detection device 10 further includes a first check valve 16 and a second check valve 17, the condenser 11 further includes a first water outlet 113, the moisture separator 13 further includes a second water outlet 133, the first check valve 16 is connected to the first water outlet 113, the second check valve 17 is connected to the second water outlet 133, the first check valve 16 and the second check valve 17 can prevent gas-liquid backflow while guiding out liquid to realize gas-liquid separation, and the first check valve 16 and the second check valve 17 are cheap, which can meet the requirements of gas-liquid separation and backflow prevention.
With continuing reference to fig. 1, preferably, the gas detecting device 10 further includes a flow meter 18, and the flow meter 18 is disposed between the moisture separator 13 and the sensor and is respectively in pipeline communication with the second gas outlet 132 and the gas detecting sensor 14 for detecting the flow rate of the mixed gas in the gas detecting device 10. The power of the air pump 15 can be adaptively adjusted by the operator according to the value of the flow meter 18.
Referring to fig. 2, preferably, the gas detecting sensor 14 includes a first gas detecting sensor 141, a second gas detecting sensor 142 and a third gas detecting sensor 143, which are sequentially connected by a pipeline, and are respectively used for detecting the concentration of the gas to be detected in the mixed gas, which may be three times of detection of one gas to be detected or respective concentration detection of multiple gases to be detected. Preferably, the first gas detection sensor 141, the second gas detection sensor 142, and the third gas detection sensor 143 are used to detect the concentrations of different gases to be measured in the mixed gas. The first gas detection sensor 141, the second gas detection sensor 142, and the third gas detection sensor 143 may be a photo-ion gas sensor, an electrochemical sensor, a catalytic combustion gas sensor, or the like, for detecting the concentration of a gas such as VOC (volatile organic compounds), a combustible gas, or sulfur dioxide, but are not limited thereto.
Referring to fig. 3, preferably, the gas detection device 10 further includes a three-way pipe 19 and a one-way throttle valve 20, the air pump 15 includes an air inlet port 151, the three-way pipe 19 is respectively communicated with the gas detection sensor 14, the one-way throttle valve 20 and the air inlet port 151 of the air pump 15, and the one-way throttle valve 20 is used for preventing the air pump 15 from generating a vacuum state.
Please refer to fig. 4, as a first modified embodiment of the present invention, the components and the connection relationship between the components of the first modified embodiment are the same as the first embodiment, and the difference between the two embodiments is that the gas detection apparatus 30 of the first modified embodiment further includes a filter 31, the filter 31 is located between the gas detection sensor 34 and the air pump 35 and is respectively communicated with the gas detection sensor 34 and the air pump 35 through pipelines, the filter 31 is used for filtering particles in the mixed gas and purifying the mixed gas, so as to reduce the damage of the particles to the air pump 35, and is beneficial to increasing the service life of the air pump 35.
Referring to fig. 5A, as a second modified embodiment of the present invention, components and connection relationships between the components of the second modified embodiment are the same as those of the first embodiment, and the difference between the components and the first embodiment is that the gas detection device 40 of the second modified embodiment further includes a tail gas treatment device 41, the air pump 45 includes an air outlet port 452, and the air pump 45 leads the mixed gas to the tail gas treatment device 41 through the air outlet port 452 to perform tail gas treatment. The tail gas treatment device 41 treats the mixed gas through absorption, combustion, collection and the like so as to reduce the pollution of the mixed gas to the air.
Referring to fig. 5B, the tail gas treatment device 41 includes an absorption device 411, and the gas pump 45 introduces the mixed gas discharged from the gas outlet port 452 into the absorption device 411, so that the absorption device 411 directly absorbs a part of the gas in the mixed gas and/or reacts with a part of the gas in the mixed gas for absorption. Specifically, the absorption device 411 is provided therein with an absorption liquid, where the absorption liquid is distilled water, 98.3% concentrated sulfuric acid, and the like, and the absorption liquid is used for absorbing part of the gas and/or absorbing the gas after the gas reacts with the part of the gas.
Referring to fig. 5C, the tail gas treatment device 41 includes a combustion device 412, and the combustion device 412 is disposed at the gas outlet port 452 of the gas pump 45 to combust the mixed gas so as to eliminate the pollution of the combustible gas in the mixed gas to the environment and the potential safety hazard. The combustion device 412 may be an alcohol burner.
The tail gas treatment device can also comprise an absorption device and a combustion device, and the combustion device can burn the mixed gas subjected to absorption treatment through a pipeline port led out from the absorption device, so that the pollution of toxic, harmful and flammable gas to air can be effectively reduced, and the potential safety hazard can be reduced; the exhaust gas treatment device may also include a collecting device by which the mixed gas discharged from the gas pump is collected to be reused or transferred to another location for treatment. The specific functions of the tail gas treatment device are not limited, and different tail gas treatment devices can be arranged according to actual needs to treat the mixed gas discharged by the gas pump.
Referring to fig. 6, as a third modified embodiment of the present invention, the components and the connection relationship between the components of the third modified embodiment are the same as those of the first embodiment, and the difference between the two embodiments is that the gas detection apparatus 50 of the third modified embodiment further includes two third check valves 51, the two third check valves 51 are respectively connected to the first inlet 521 and the second inlet 522, the gas can only enter the two-position three-way electromagnetic valve through the third check valve 51, the first inlet 521 or the second inlet 522 and cannot exit from the first inlet 521 or the second inlet 522, so as to effectively prevent the mixed gas from leaking.
Referring to fig. 7, as a fourth modified embodiment of the present invention, the components and the connection relationship between the components of the fourth modified embodiment are the same as those of the first embodiment, and the difference between the two embodiments is that the gas detection device 60 of the fourth modified embodiment further includes a first temperature sensor 62 and a first temperature adjustment device 63, the first temperature sensor 62 is electrically connected to the first temperature adjustment device 63, the first temperature adjustment device 63 is electrically connected to the condenser 61, the first temperature sensor 62 is disposed in the condenser 61 to check the temperature of the condenser 61 and send a first temperature signal to the first temperature adjustment device 63, the first temperature adjustment device 63 adjusts the power of the condenser 61 according to the received first temperature signal, so as to adjust the temperature in the condenser 61 in real time, which is beneficial to maintain the temperature in the condenser 61 to ensure the condensation effect. Preferably, the temperature in the condenser 61 is set to 4-10 degrees centigrade, and when the first temperature sensor 62 detects that the temperature in the condenser 61 is greater than 10 degrees centigrade, the first temperature adjusting device 63 increases the power of the condenser 61 to make the condenser 61 accelerate to cool so as to reduce the temperature in the condenser 61; when the first temperature sensor 62 detects that the temperature in the condenser 61 is less than 4 degrees celsius, the first thermostat 63 reduces the power of the condenser 61 to make the condenser 61 slow down the cooling speed to raise the temperature in the condenser 61.
Referring to fig. 8, as a fifth modified embodiment of the present invention, the components and the connection relationship between the components of the fifth modified embodiment are the same as those of the first embodiment, and the difference between the components and the first embodiment is that the gas detection device 70 of the fifth modified embodiment further includes a temperature increasing device 71, the second temperature sensor 72 and the second temperature adjusting device 74, the warming device 71 is disposed between the moisture separator 73 and the flow meter 78 and is respectively communicated with the second air outlet 732 of the moisture separator 73 and the flow meter 78 through pipelines, the second temperature sensor 72 is electrically connected with the second temperature adjusting device 74, the second temperature adjusting device 74 is electrically connected with the warming device 71, the second temperature sensor 72 is disposed in the warming device 71 to detect the temperature in the warming device 71 and send a second temperature signal to the second temperature adjusting device 74, and the second temperature adjusting device 74 adjusts the power of the warming device 71 according to the received second temperature signal. Preferably, the temperature in the temperature increasing device 71 is set to 15-35 degrees centigrade, and when the second temperature sensor 72 detects that the temperature in the temperature increasing device 71 is less than 15 degrees centigrade, the second temperature regulating device 74 increases the power of the temperature increasing device 71 to make the temperature increasing device 71 accelerate heating to increase the temperature in the temperature increasing device 71; when the second temperature sensor 72 detects that the temperature in the temperature increasing device 71 is greater than 35 degrees celsius, the second thermostat 74 decreases the power of the temperature increasing device 71 to cause the temperature increasing device 71 to slow down the heating speed to decrease the temperature in the temperature increasing device 71.
It can be understood that the temperature raising device 71 is mainly used for the mixed gas passing through the condenser to reduce the occurrence of possible damage to the gas detection sensor, reduction in detection accuracy, and the like caused by too low temperature of the mixed gas.
Referring to fig. 9, as a sixth modified embodiment of the present invention, the components and the connection relationship between the components of the sixth modified embodiment are the same as those of the first embodiment, and the difference between the components and the sixth modified embodiment is that the gas detection device 80 of the sixth modified embodiment further includes a buffer chamber 81, and the buffer chamber 81 is disposed between the flow meter 88 and the gas detection sensor 84 and is respectively in pipeline communication with the flow meter 88 and the gas detection sensor 84. The buffer chamber 81 is a chamber, and the flow rate of the mixed gas flowing out from the flow meter 88 is slowed down after passing through the buffer chamber 81, so as to reduce the impact of the too fast gas flow rate on the gas detection sensor 84, which reduces the service life of the sensor and the influence of the too fast gas flow rate on the detection accuracy of the gas detection sensor 84.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made within the spirit of the present invention, equivalent replacements and improvements should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a gas detection device for detect the concentration of the gas that awaits measuring in the mist, its characterized in that: the gas detection device comprises a two-position three-way electromagnetic valve, a water-gas separator, a gas detection sensor and a gas pump, wherein the two-position three-way electromagnetic valve comprises a first inlet and an outlet, and the outlet, the water-gas separator, the gas detection sensor and the gas pump are sequentially communicated through a pipeline.
2. The gas detection apparatus of claim 1, wherein: the gas detection device also comprises a flow meter, and the flow meter is positioned between the water-gas separator and the gas detection sensor and is respectively communicated with the water-gas separator and the concentration sensor pipeline.
3. The gas detection apparatus of claim 2, wherein: the two-position three-way electromagnetic valve further comprises a second inlet, the gas detection device further comprises a condenser, the condenser comprises a first gas outlet, and the second inlet is communicated with the first gas outlet pipeline.
4. The gas detection apparatus of claim 3, wherein: the condenser further comprises a first water outlet, the gas detection device further comprises a first one-way valve, and the first water outlet is connected with the first one-way valve.
5. The gas detection apparatus of claim 1, wherein: the water-gas separator comprises a second water outlet, the gas detection device further comprises a second one-way valve, and the second water outlet is connected with the second one-way valve.
6. The gas detection apparatus of claim 1, wherein: the gas detection sensor comprises a first gas detection sensor, a second gas detection sensor and a third gas detection sensor, wherein the first gas detection sensor, the second gas detection sensor and the third gas detection sensor are sequentially communicated through pipelines.
7. The gas detection apparatus of claim 1, wherein: the gas detection device further comprises a three-way pipe and a one-way throttle valve, the gas pump comprises a gas inlet port, and the three-way pipe is respectively communicated with the gas detection sensor, the one-way throttle valve and the gas inlet port.
8. The gas detection apparatus of claim 1, wherein: the gas detection device also comprises a filter, and the filter is positioned between the gas detection sensor and the gas pump and is respectively communicated with the gas detection sensor and the gas pump pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610756.2U CN210953969U (en) | 2019-09-25 | 2019-09-25 | Gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610756.2U CN210953969U (en) | 2019-09-25 | 2019-09-25 | Gas detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210953969U true CN210953969U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921610756.2U Active CN210953969U (en) | 2019-09-25 | 2019-09-25 | Gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953969U (en) |
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2019
- 2019-09-25 CN CN201921610756.2U patent/CN210953969U/en active Active
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