CN211603102U - High-temperature NMP gas detection device - Google Patents
High-temperature NMP gas detection device Download PDFInfo
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- CN211603102U CN211603102U CN201922500502.1U CN201922500502U CN211603102U CN 211603102 U CN211603102 U CN 211603102U CN 201922500502 U CN201922500502 U CN 201922500502U CN 211603102 U CN211603102 U CN 211603102U
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Abstract
The utility model relates to a gaseous technical field that detects, in particular to gaseous detection device of high temperature NMP, including gas sensor, shell, high temperature wire and the main control board that is used for detecting NMP gas concentration, the shell includes probe shell and main body cover, probe shell and main body cover fixed connection and intercommunication, the fixed one end that keeps away from main body cover at probe shell that sets up of gas sensor, the main control board is fixed to be set up in main body cover, high temperature wire one end and gas sensor electric connection, the other end and main control board electric connection. The utility model discloses a gaseous detection device of high temperature NMP, the gaseous concentration of detectable NMP to monitoring NMP is gaseous, be favorable to reducing NMP gaseous to the harm of human body and with the air-mixing possibility that explodes.
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 of high temperature NMP.
[ background of the invention ]
In the coating process of lithium battery production, NMP in the coating slurry solvent forms a gas from a liquid upon heating, the NMP gas is toxic and harmful to the human body, and the NMP gas also has a possibility of explosion when mixed with air. Namely, the monitoring of NMP gas not only relates to the energy-saving and emission-reducing benefits of battery generation enterprises, but also relates to the health and personal safety of workers.
Therefore, how to detect the concentration of NMP gas becomes the key point to be solved.
[ Utility model ] content
In order to overcome the technical problem, the utility model provides a gaseous detection device of high temperature NMP.
The utility model provides a technical problem's scheme provides a gaseous detection device of high temperature NMP, including gas sensor, shell, high temperature wire and the main control board that is used for detecting NMP gas concentration, the shell includes probe shell and main body cover, probe shell and main body cover fixed connection and intercommunication, the fixed one end that keeps away from main body cover at probe shell that sets up of gas sensor, the main control board is fixed to be set up in main body cover, high temperature wire one end and gas sensor electric connection, the other end and main control board electric connection.
Preferably, the housing further comprises a flange fixed to the outside of the probe housing.
Preferably, gaseous detection device of high temperature NMP still includes the display screen that is used for showing concentration, the display screen is fixed to be set up in main body cover, display screen and main control board electric connection.
Preferably, gaseous detection device of high temperature NMP still includes alarm device, alarm device sets up in main body cover, alarm device and main control board electric connection, be provided with comparison module in the main control board, the standard concentration has been preset in the comparison module, comparison module compares gas sensor detection NMP gaseous concentration with standard concentration, and the main control board selects whether to send alarm signal for alarm device according to comparison module's comparative result.
Preferably, the gas sensor is a high temperature semiconductor sensor or a high temperature catalytic combustion sensor.
Preferably, the material of the probe shell is stainless steel.
Preferably, a through hole is formed in the connecting surface of the probe shell and the main body shell, the aperture of the through hole is slightly larger than the radial size of the high-temperature lead, and the probe shell is communicated with the main body shell through the through hole.
Preferably, the preset standard concentration in the comparison module is 120 mug/L.
Preferably, the preset standard concentration in the comparison module is 100 mug/L.
Preferably, a heat radiation fan is arranged in the probe shell, and a plurality of heat radiation holes are formed in the probe shell between the flange and the main body shell.
Compared with the prior art, the utility model discloses a gaseous detection device of high temperature NMP has following advantage:
the setting of gas sensor can detect the gaseous concentration of high temperature NMP, high temperature wire can remain stable under certain high temperature, can not burn or become invalid, its setting can reduce the influence of high temperature to gas sensor and main control board electric connection stability, stretch into the high temperature gas who treats the measuring through the one end that shell and gas sensor are connected, and the main control board is located outside the high temperature environment, both can detect NMP gas concentration, also can not make the high temperature lead to the fact the influence to the main control board.
[ description of the drawings ]
FIG. 1 is a schematic view of a cross-sectional structure of the high-temperature NMP gas detection device of the present invention.
Fig. 2 is a schematic diagram of a module connection structure of the high-temperature NMP gas detection apparatus of the present invention.
Fig. 3 is a schematic diagram of the alarm device of the high-temperature NMP gas detection apparatus according to the present invention connected to the main control board.
Description of reference numerals:
10. a high temperature NMP gas detection device; 11. a housing; 12. a main control board; 13. a gas sensor; 14. a high-temperature wire; 15. a display screen; 16. an alarm device; 111. a probe housing; 112. a main body housing; 113. a flange; 121. a comparison module; 114. a through hole; 17. a heat radiation fan; 115. heat dissipation holes; 161. a buzzer; 162. an LED lamp; 163. a vibrator.
[ 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 high temperature NMP gas detecting device 10 for detecting the concentration of NMP gas in a high temperature environment, including a housing 11, a main control board 12, a gas sensor 13, a high temperature wire 14, a display screen 15 and an alarm device 16, the housing 11 includes a probe housing 11111, a main housing 11211 and a flange 113, the probe housing 11111 is fixedly connected and communicated with the main housing 11211, the flange 113 is fixed on the outer side of the probe housing 11111, the main control board 12 is fixed in the main housing 11211, the gas sensor 13 is fixed on one end of the probe housing 11111 far away from the main housing 11211, one end of the high temperature wire 14 is electrically connected with the gas sensor 13, the other end is electrically connected with the main control board 12, the display screen 15 and the alarm device 16 are fixedly arranged in the main housing 11211, the gas sensor 13 and the main control board 12 are electrically connected through the high temperature wire 14, the display screen 15 is, the alarm device 16 is electrically connected with the main control board 12.
The shell 11 is used for protecting components arranged therein to form primary isolation protection; the gas sensor 13 is used for detecting the content of NMP gas in the high-temperature gas, generating a concentration electric signal and sending the concentration electric signal to the main control board 12; the main control board 12 is configured to convert the concentration electrical signal transmitted by the gas sensor 13 into a detected concentration, preferably, the main control board 12 is further provided with a comparison module 121, a standard concentration of NMP gas is preset in the comparison module 121, the comparison module 121 compares the detected concentration with the standard concentration, when the detected concentration is greater than the standard concentration, the comparison module sends a comparison signal to the main control board 12, the main control board 12 sends the concentration electrical signal to the display screen 15, and converts the received comparison signal into an alarm signal to send to the alarm device 16; the high-temperature lead 14 penetrates through the communication part between the probe shell 11111 and the main body shell 11211, and the high-temperature lead 14 is used for reducing the influence of high temperature on the electrical connection relation between the gas sensor 13 and the main control board 12; the display screen 15 is used for displaying the concentration of the NMP gas when receiving the concentration electric signal sent by the main control panel 12, and a worker can also know the actual concentration of the NMP gas in real time through the display screen 15; the alarm device 16 is used for giving an alarm when receiving the alarm signal so as to inform the staff that the actual concentration of the NMP gas is greater than the preset standard concentration, so that the staff can timely process the NMP gas to avoid potential safety hazards caused by excessive concentration.
Preferably, the flange 113 is used for being fixedly connected with the device for generating high-temperature gas through bolts so as to fix the high-temperature NMP gas detection device 10 at the position to be detected, and the probe housing 11111 and the gas sensor 13 extend into the device for generating high-temperature gas to detect NMP gas, and the main body housing 11211 is located outside the device for generating high-temperature gas to reduce the influence of high temperature on the main control board 12 and display concentration information.
Preferably, the probe housing 11111 is made of stainless steel, and the stainless steel probe housing 11111 has better strength besides having the characteristics of high temperature resistance and corrosion resistance, and will not easily deform in a high-temperature environment, thereby being beneficial to maintaining the stability of the overall structure of the high-temperature NMP gas detection apparatus 10.
Further, a through hole 114 is opened on the connection surface of the probe housing 11111 and the main body housing 11211, the aperture of the through hole 114 is slightly larger than the radial dimension of the high temperature wire 14, that is, the through hole 114 only supports the passage of the high temperature wire 14 to connect the gas sensor 13 and the main control board 12. Because the size of the through hole 114 is small and a part of the through hole is occupied by the high-temperature conducting wire 14, heat inside the probe housing 11111 is not easy to enter the main body housing 11211 through the through hole 114, that is, the components inside the main body housing 11211 are not easily affected by the use performance due to the part of heat of the probe housing 11111 entering the main body housing 11211, and the possibility of damage to the components inside the main body housing 11211 is reduced. Preferably, the aperture of the through hole 114 is 1.1 times or 1.2 times the radial dimension of the high temperature wire 14.
Preferably, the standard concentration preset in the comparing module 121 is 120 μ g/L, and further, the standard concentration preset in the comparing module 121 is 100 μ g/L. At present, the limit concentration of NMP allowed in the air is 100ppm (namely 100mg/L), and the standard concentration is far less than the limit concentration, so that prevention preparation can be made when the NMP concentration is detected to exceed the standard concentration, the NMP emission concentration can meet the standard, the potential safety hazard can be reduced, and the protection of the personal health of workers is facilitated.
Further, a heat dissipation fan 17 is further arranged in the probe housing 11111, a plurality of heat dissipation holes 115 are further formed in the probe housing 11111 between the flange 113 and the main body housing 11211, the heat dissipation fan 17 is electrically connected with the main control board 12 and used for accelerating the flow speed of air in the probe housing 11111, and the heat dissipation holes 115 are used for realizing convection between the air in the probe housing 11111 and outside air, so that the temperature in the probe housing 11111 is reduced, the temperature born by the high-temperature wire 14 is reduced, and the stability of the electrical connection between the gas sensor 13 and the main control board 12 is further ensured. The heat dissipation holes 115 are formed in the probe housing 11111 between the flange 113 and the main body housing 11211, and when the high-temperature NMP gas detection device 10 is connected to a device generating high-temperature gas, the heat dissipation holes 115 are located outside the device generating high-temperature gas, that is, air entering or escaping from the heat dissipation holes 115 does not affect the high-temperature gas, and does not affect the detection of the gas sensor 13 on the high-temperature gas.
Preferably, the alarm device 16 may sound, illuminate or vibrate to generate an alarm. Specifically, the alarm device 16 includes a buzzer 161, an LED lamp 162 and a vibrator 163, wherein the buzzer 161, the LED lamp 162 and the vibrator 163 are electrically connected to the main control board 12, the main control board 12 receives the comparison signal and then sends an alarm signal to the buzzer 161, the LED lamp 162 and the vibrator 163, the buzzer 161 makes a sound, the LED lamp 162 flashes or lights up, and the vibrator 163 vibrates, so that even if a worker neglects one alarm signal or two alarm signals, the worker can be perceived by the other two alarm signals or the other alarm signal, the alarm modes are various, and the effectiveness probability is high. It is to be understood that the alarm device 16 may be provided with only one or two of the buzzer 161, the LED lamp 162 and the vibrator 163, as long as it functions to give an alarm.
Preferably, the gas sensor 13 is a high-temperature semiconductor sensor or a high-temperature catalytic combustion sensor, and can endure high temperature while detecting the NMP gas concentration, so that the probability of detection failure or damage of the gas sensor 13 due to intolerance of high temperature is reduced.
Compared with the prior art, the utility model discloses a gaseous detection device of high temperature NMP has following advantage:
the setting of gas sensor can detect the gaseous concentration of high temperature NMP, high temperature wire can remain stable under certain high temperature, can not burn or become invalid, its setting can reduce the influence of high temperature to gas sensor and main control board electric connection stability, stretch into the high temperature gas who treats the measuring through the one end that shell and gas sensor are connected, and the main control board is located outside the high temperature environment, both can detect NMP gas concentration, also can not make the high temperature lead to the fact the influence to the main control board.
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 (10)
1. The utility model provides a gaseous detection device of high temperature NMP for detect the gaseous concentration of NMP, its characterized in that: gaseous detection device of high temperature NMP is including gas sensor, shell, high temperature wire and the main control board that is used for detecting NMP gas concentration, the shell includes probe shell and main body cover, probe shell and main body cover fixed connection and intercommunication, the fixed one end that keeps away from main body cover at the probe shell that sets up of gas sensor, the main control board is fixed to be set up in main body cover, high temperature wire one end and gas sensor electric connection, the other end and main control board electric connection.
2. A high temperature NMP gas detection apparatus according to claim 1, wherein: the shell also comprises a flange, and the flange is fixed on the outer side of the probe shell.
3. A high temperature NMP gas detection apparatus according to claim 1, wherein: gaseous detection device of high temperature NMP still includes the display screen that is used for showing concentration, the display screen is fixed to be set up in main body cover, display screen and main control board electric connection.
4. A high temperature NMP gas detection apparatus according to claim 1, wherein: gaseous detection device of high temperature NMP still includes alarm device, alarm device sets up in main body cover, alarm device and main control board electric connection, be provided with comparison module in the main control board, the standard concentration has been preset in the comparison module, comparison module carries out the comparison to gaseous concentration and the standard concentration of gas sensor detection NMP, and whether main control board selects to send alarm signal for alarm device according to the comparative result of comparison module.
5. A high temperature NMP gas detection apparatus according to claim 1, wherein: the gas sensor is a high-temperature semiconductor sensor or a high-temperature catalytic combustion sensor.
6. A high temperature NMP gas detection apparatus according to claim 1, wherein: the shell of the probe is made of stainless steel.
7. A high temperature NMP gas detection apparatus according to claim 1, wherein: the probe shell is connected with the main body shell through a through hole, the aperture of the through hole is slightly larger than the radial size of the high-temperature lead, and the probe shell is communicated with the main body shell through the through hole.
8. The high temperature NMP gas detection apparatus of claim 4, wherein: the preset standard concentration in the comparison module is 120 mug/L.
9. The high temperature NMP gas detection apparatus of claim 4, wherein: the preset standard concentration in the comparison module is 100 mug/L.
10. A high temperature NMP gas detection apparatus according to claim 2, wherein: a cooling fan is arranged in the probe shell, and a plurality of cooling holes are formed in the probe shell between the flange and the main body shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500502.1U CN211603102U (en) | 2019-12-31 | 2019-12-31 | High-temperature NMP gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500502.1U CN211603102U (en) | 2019-12-31 | 2019-12-31 | High-temperature NMP gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603102U true CN211603102U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500502.1U Active CN211603102U (en) | 2019-12-31 | 2019-12-31 | High-temperature NMP gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603102U (en) |
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2019
- 2019-12-31 CN CN201922500502.1U patent/CN211603102U/en active Active
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