CN210271185U - Combustible gas detection alarm device - Google Patents

Combustible gas detection alarm device Download PDF

Info

Publication number
CN210271185U
CN210271185U CN201921137662.8U CN201921137662U CN210271185U CN 210271185 U CN210271185 U CN 210271185U CN 201921137662 U CN201921137662 U CN 201921137662U CN 210271185 U CN210271185 U CN 210271185U
Authority
CN
China
Prior art keywords
fixedly arranged
combustible gas
alarm device
chamber
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921137662.8U
Other languages
Chinese (zh)
Inventor
周巍
廖邦红
许力
张珠
王雪明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nine Dragons Paper Shenyang Co ltd
Original Assignee
Nine Dragons Paper Shenyang Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nine Dragons Paper Shenyang Co ltd filed Critical Nine Dragons Paper Shenyang Co ltd
Priority to CN201921137662.8U priority Critical patent/CN210271185U/en
Application granted granted Critical
Publication of CN210271185U publication Critical patent/CN210271185U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The utility model relates to a combustible gas detection device technical field especially relates to a combustible gas detection alarm device, when external power supply breaks off, provides electric power for the device through the battery, guarantees that the device can not stop operation, carries out uninterrupted detection to combustible gas, blows in the inner chamber with the outside air through the fan simultaneously, dispels the heat to the device inside, improves the radiating efficiency, guarantees that the temperature in the device can not be too high; the gas sensor is arranged in the gas inlet pipe, and is used for detecting the gas in the gas inlet pipe; the drying machine also comprises a battery seat, a storage battery, a cooling box, a fan, an upper filter screen, a drying screen, power supply equipment, a central processing unit and a controller.

Description

Combustible gas detection alarm device
Technical Field
The utility model relates to a combustible gas detection device technical field especially relates to a combustible gas detects alarm device.
Background
As is known, a certain amount of combustible gas such as hydrogen sulfide, ammonia gas, biogas and carbon monoxide is generated in the sewage treatment process, and when the content of the combustible gas in the sewage treatment chamber or the sewage treatment tank is high, the combustible gas can affect the health of workers entering the sewage treatment chamber or the sewage treatment tank or cause explosion to cause safety accidents, so that the concentration of the combustible gas in the sewage treatment chamber or the sewage treatment tank needs to be monitored.
The combustible gas detection alarm device is a device which is used for monitoring combustible gas generated in the sewage treatment process and preventing the influence of the excessive concentration of the combustible gas on the health of workers and even safety accidents, and is widely used in the technical field of combustible gas detection devices; the existing combustible gas detection alarm device comprises a shell, an air inlet pipe, a detection chamber, a gas-sensitive sensor, an exhaust pipe, a data processing module and an alarm device, wherein an inner cavity is arranged in the shell, the air inlet pipe is arranged at the left part of the inner cavity, the left end of the detection chamber is fixedly connected with the right end of the air inlet pipe, the left end of the exhaust pipe is fixedly connected with the right end of the detection chamber, the gas-sensitive sensor is fixedly arranged at the top end of the detection chamber, the data processing module is fixedly arranged at the upper part of the inner cavity, and the alarm device; when the existing combustible gas detection alarm device is used, the device is fixedly arranged at an appointed position, indoor air is introduced into a detection chamber through an air inlet pipe for detection, waste gas is discharged through an exhaust pipe, a detection result is transmitted to a data processing module through a gas sensor, and when the numerical value of combustible gas is higher than a safety value, the alarm device is started to alarm; present combustible gas detects alarm device and uses the discovery, and present device is external power supply mostly, nevertheless when external power source disconnection back, and the direct shut down of device can't detect indoor combustible gas concentration, leads to producing the incident, and the inside radiating effect of device is relatively poor simultaneously, and the heat that the components and parts operation in the device produced is piled up inside the device easily and is caused the incident.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a have independent power supply, can last normal operating after external power supply disconnection, the better combustible gas detection alarm device of radiating effect.
The utility model discloses a combustible gas detection alarm device, which comprises a shell, an air inlet pipe, a detection chamber, a gas sensor, an exhaust pipe, a data processing module, a display module, a control module, an alarm bell, an alarm lamp, a display screen and a control button, wherein the shell is internally provided with an inner chamber, the air inlet pipe, the detection chamber and the exhaust pipe are all fixedly arranged in the middle of the inner chamber, the left end of the detection chamber is fixedly connected with the right end of the air inlet pipe, the right end of the detection chamber is fixedly connected with the left end of the exhaust pipe, the left end and the right end of the shell are respectively provided with an air inlet and an air outlet, the left end of the air inlet pipe is fixedly connected with the air inlet, the right end of the exhaust pipe is fixedly connected with the air outlet, the gas sensor is fixedly arranged at the top end of the detection chamber, the data, the alarm bell is fixedly arranged on the left side of the bottom end of the inner cavity, the alarm lamp is fixedly arranged on the right side of the bottom end of the inner cavity, the display screen is fixedly arranged on the rear side of the top end of the shell, and the control button is fixedly arranged on the right side of the top end of the shell; still include the battery tray, the battery, the cooler bin, the fan, go up the filter screen, the drying net, power supply unit, central processing unit and controller, the battery tray is fixed to be set up in the top of inner chamber, the front end of battery tray is provided with the mounting groove, insert the mounting groove backward from the front end of battery tray in the rear end of battery, the cooler bin is fixed to be set up in the top of shell, the inside of cooler bin is provided with the cooling chamber, the top of shell is provided with the cold wind mouth, cold wind mouth and cooling chamber intercommunication, the fan is fixed to be set up in the cooling intracavity portion, it sets up in the top in cooling chamber to go up the filter screen fixed, the drying net is fixed to be set up in the top in cooling chamber, the drying net is located the below of filter screen, power supply unit is fixed to be set up in the bottom right side in.
The utility model discloses a combustible gas detects alarm device still includes left rose box and left filter screen, and the right-hand member and the air inlet fixed connection of left rose box are provided with left filter chamber in the left rose box, and left filter chamber communicates with each other with the air inlet, and left filter screen is fixed to be set up in left filter chamber.
The utility model discloses a combustible gas detects alarm device still includes right rose box and right filter screen, and the left end and the gas outlet fixed connection of right rose box are provided with right filter chamber in the right rose box, and right filter chamber communicates with each other with the gas outlet, and right filter screen is fixed to be set up in right filter chamber.
The utility model discloses a combustible gas detects alarm device still includes turbofan and flange, and flange is fixed to be set up in turbofan's left end and right-hand member, and turbofan passes through flange and the middle part fixed connection of intake pipe.
The utility model discloses a combustible gas detects alarm device still includes outer sound hole, and outer sound hole sets up in the front end downside of shell.
The utility model discloses a combustible gas detects alarm device still includes dustproof drying screen, and dustproof drying screen is fixed to be set up in the front end downside of inner chamber, and dustproof drying screen is located the rear of outer sound hole.
The utility model discloses a combustible gas detects alarm device still includes the case lid, and the right-hand member of case lid is connected through the hinge with the front end left side of cooler bin.
The utility model discloses a combustible gas detects alarm device still includes the installation hook, and the installation hook is fixed to be set up in the rear end of shell.
Compared with the prior art, the beneficial effects of the utility model are that: when using combustible gas detection alarm device to detect the combustible gas concentration in sewage treatment room or the sewage treatment pond, detect the leading-in detection room of air through the intake pipe, waste gas passes through the blast pipe discharge, the testing result passes through gas sensor and conveys to data processing module, the processing result passes through the display screen demonstration, when combustible gas concentration exceeds the safe value, start alarm bell and alarm lamp and report to the police to the staff, when external power supply disconnection, provide electric power for the device through the battery, guarantee device can not the bring to rest, carry out uninterrupted detection to combustible gas, blow in the inner chamber with the outside air through the fan simultaneously, dispel the heat to the device is inside, and the heat dissipation efficiency is improved, guarantee that the inside temperature of device can not be too high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a left side view of the present invention;
FIG. 4 is an enlarged view of reference A in FIG. 1;
in the drawings, the reference numbers: 1. a housing; 2. an air inlet pipe; 3. a detection chamber; 4. a gas sensor; 5. An exhaust pipe; 6. a data processing module; 7. a display module; 8. a control module; 9. an alarm bell; 10. an alarm lamp; 11. a display screen; 12. a control button; 13. a battery holder; 14. a storage battery; 15. a cooling tank; 16. a fan; 17. a filter screen is arranged; 18. drying the net; 19. a power supply device; 20. a central processing unit; 21. a controller; 22. a left filter box; 23. a left filter screen; 24. a right filter tank; 25. a right filter screen; 26. a turbo fan; 27. a connecting flange; 28. An external sound hole; 29. a dust-proof drying net; 30. a box cover; 31. and (7) mounting a hook.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in FIGS. 1 to 4, the utility model discloses a combustible gas detection alarm device, which comprises a housing 1, an air inlet pipe 2, a detection chamber 3, a gas sensor 4, an exhaust pipe 5, a data processing module 6, a display module 7, a control module 8, an alarm bell 9, an alarm lamp 10, a display screen 11 and a control button 12, wherein the interior of the housing 1 is provided with an inner chamber, the air inlet pipe 2, the detection chamber 3 and the exhaust pipe 5 are all fixedly arranged in the middle of the inner chamber, the left end of the detection chamber 3 is fixedly connected with the right end of the air inlet pipe 2, the right end of the detection chamber 3 is fixedly connected with the left end of the exhaust pipe 5, the left end and the right end of the housing 1 are respectively provided with an air inlet and an air outlet, the left end of the air inlet pipe 2 is fixedly connected with the air inlet, the right end of the exhaust pipe 5 is fixedly connected with the air, the alarm device comprises a display module 7, a control module 8, an alarm bell 9, an alarm lamp 10, a display screen 11, a control button 12 and a control button, wherein the display module 7 is fixedly arranged in the middle of the upper part of an inner cavity, the control module 8 is fixedly arranged on the right side of the upper part of the inner cavity, the alarm bell 9 is fixedly arranged on the left side of the bottom end of the inner cavity, the alarm lamp 10 is fixedly arranged on the right side of the bottom end of the; the solar cooling device further comprises a battery seat 13, a storage battery 14, a cooling box 15, a fan 16, an upper filter screen 17, a drying screen 18, power supply equipment 19, a central processing unit 20 and a controller 21, wherein the battery seat 13 is fixedly arranged at the top end of the inner cavity, a mounting groove is formed in the front end of the battery seat 13, the rear end of the storage battery 14 is inserted into the mounting groove from the front end of the battery seat 13 backwards, the cooling box 15 is fixedly arranged at the top end of the shell 1, a cooling cavity is formed in the cooling box 15, a cold air port is formed in the top end of the shell 1 and is communicated with the cooling cavity, the fan 16 is fixedly arranged in the cooling cavity, the upper filter screen 17 is fixedly arranged at the top of the cooling cavity, the drying screen 18 is fixedly arranged at the top end of the cooling cavity, the drying screen 18 is positioned below the upper filter screen 17, the power supply equipment 19 is, the controller 21 is fixedly arranged at the right side of the bottom of the cooling cavity; when using combustible gas detection alarm device to detect the combustible gas concentration in sewage treatment room or the sewage treatment pond, detect the leading-in detection room of air through the intake pipe, waste gas passes through the blast pipe discharge, the testing result passes through gas sensor and conveys to data processing module, the processing result passes through the display screen demonstration, when combustible gas concentration exceeds the safe value, start alarm bell and alarm lamp and report to the police to the staff, when external power supply disconnection, provide electric power for the device through the battery, guarantee device can not the bring to rest, carry out uninterrupted detection to combustible gas, blow in the inner chamber with the outside air through the fan simultaneously, dispel the heat to the device is inside, and the heat dissipation efficiency is improved, guarantee that the inside temperature of device can not be too high.
The utility model discloses a combustible gas detection alarm device, still include left rose box 22 and left filter screen 23, the right-hand member of left rose box 22 is fixedly connected with the air inlet, is provided with left filter chamber in the left rose box 22, left filter chamber communicates with each other with the air inlet, left filter screen 23 is fixed to be set up in left filter chamber; dust is prevented from entering the detection chamber by the left filter box.
The utility model discloses a combustible gas detection alarm device, still include right rose box 24 and right filter screen 25, the left end and the gas outlet fixed connection of right rose box 24, be provided with right filter chamber in the right rose box 24, right filter chamber communicates with each other with the gas outlet, right filter screen 25 is fixed to be set up in right filter chamber; dust is prevented from entering the detection chamber by the right filter box.
The utility model discloses a combustible gas detection alarm device, still include turbofan 26 and flange 27, flange 27 is fixed to be set up in left end and right-hand member of turbofan 26, and turbofan 26 is through flange 27 and the middle part fixed connection of intake pipe 2; the connecting flange is convenient for the disassembly and the assembly of the turbine fan.
The utility model discloses a combustible gas detection alarm device, which also comprises an external sound hole 28, wherein the external sound hole 28 is arranged at the lower side of the front end of the shell 1; the transmission of the ring tone of the alarm bell is facilitated through the external sound hole.
The combustible gas detection alarm device of the utility model also comprises a dustproof drying net 29, the dustproof drying net 29 is fixedly arranged at the lower side of the front end of the inner cavity, and the dustproof drying net 29 is positioned at the rear of the external sound hole 28; prevent through dustproof drying screen that dust water smoke from passing through outside sound hole entering device inside.
The utility model discloses a combustible gas detection alarm device, which also comprises a box cover 30, wherein the right end of the box cover 30 is connected with the left side of the front end of a cooling box 15 through a hinge; the inside of the cooling box is convenient to overhaul through the box cover.
The utility model discloses a combustible gas detection alarm device, which also comprises a mounting hook 31, wherein the mounting hook 31 is fixedly arranged at the rear end of the shell 1; the device is convenient to install through the installation hook.
The utility model discloses a combustible gas detection alarm device, when using combustible gas detection alarm device to detect the combustible gas concentration in sewage treatment room or sewage treatment pond, the air is guided into the detection room through the intake pipe to be detected, the waste gas is discharged through the exhaust pipe, the detection result is transmitted to the data processing module through the gas sensor, the processing result is displayed through the display screen, when the combustible gas concentration exceeds the safety value, the alarm bell and the alarm lamp are started to alarm the staff, when the external power supply is disconnected, the device is provided with power through the storage battery, the device is ensured not to stop running, the combustible gas is detected without interruption, simultaneously, the external air is blown into the inner cavity through the fan, the heat dissipation is carried out to the inside of the device, the heat dissipation efficiency is improved, the internal temperature of the device is ensured not to be too high, the dust is prevented from entering the detection room through the left, prevent through right rose box that the dust from getting into the detection room, through flange be convenient for turbofan's dismouting, be favorable to the propagation of alarm bell ringtone through the external sound hole, prevent through dustproof drying screen that dust-returning water smoke from passing through the external sound hole entering device inside, through the inside maintenance of case lid cooling box of being convenient for, the device installation of being convenient for through the mounting hook before accomplishing above-mentioned action, at first will remove the position that the user needed.
The utility model discloses a combustible gas detects alarm device, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical type to the concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at much and give unnecessary detail.
The utility model relates to a combustible gas detection alarm device, under the condition of not explaining the contrary, "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and other orientation words included in the terms only represent the orientation of the term under the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A combustible gas detection alarm device comprises a shell (1), an air inlet pipe (2), a detection chamber (3), a gas-sensitive sensor (4), an exhaust pipe (5), a data processing module (6), a display module (7), a control module (8), an alarm bell (9), an alarm lamp (10), a display screen (11) and a control button (12), wherein an inner cavity is arranged inside the shell (1), the air inlet pipe (2), the detection chamber (3) and the exhaust pipe (5) are fixedly arranged in the middle of the inner cavity, the left end of the detection chamber (3) is fixedly connected with the right end of the air inlet pipe (2), the right end of the detection chamber (3) is fixedly connected with the left end of the exhaust pipe (5), the left end and the right end of the shell (1) are respectively provided with an air inlet and an air outlet, the left end of the air inlet pipe (2) is fixedly connected with the air inlet, and the right, the gas sensor (4) is fixedly arranged on the top of the detection chamber (3), the data processing module (6) is fixedly arranged on the upper part of the inner cavity, the display module (7) is fixedly arranged on the middle side of the upper part of the inner cavity, the control module (8) is fixedly arranged on the right side of the upper part of the inner cavity, the alarm bell (9) is fixedly arranged on the left side of the bottom of the inner cavity, the alarm lamp (10) is fixedly arranged on the right side of the bottom of the inner cavity, the display screen (11) is fixedly arranged on the rear side of the top of the shell (1), and the control button (12) is fixedly arranged on the; the solar water heater is characterized by further comprising a battery holder (13), a storage battery (14), a cooling box (15), a fan (16), an upper filter screen (17), a drying net (18), power supply equipment (19), a central processing unit (20) and a controller (21), wherein the battery holder (13) is fixedly arranged at the top end of the inner cavity, a mounting groove is formed in the front end of the battery holder (13), the rear end of the storage battery (14) is inserted into the mounting groove from the front end of the battery holder (13) backwards, the cooling box (15) is fixedly arranged at the top end of the shell (1), a cooling cavity is arranged inside the cooling box (15), a cold air port is formed in the top end of the shell (1) and communicated with the cooling cavity, the fan (16) is fixedly arranged inside the cooling cavity, the upper filter screen (17) is fixedly arranged at the top of the cooling cavity, the drying net (18) is fixedly arranged at the top end of the cooling cavity, drying net (18) are located the below of last filter screen (17), power supply unit (19) are fixed to be set up in the bottom right side in cooling chamber, central processing unit (20) are fixed to be set up in the bottom left side in cooling chamber, controller (21) are fixed to be set up in the bottom right side in cooling chamber.
2. The combustible gas detection alarm device according to claim 1, further comprising a left filter box (22) and a left filter screen (23), wherein the right end of the left filter box (22) is fixedly connected with the air inlet, a left filter cavity is arranged in the left filter box (22), the left filter cavity is communicated with the air inlet, and the left filter screen (23) is fixedly arranged in the left filter cavity.
3. The combustible gas detection alarm device according to claim 2, further comprising a right filter box (24) and a right filter screen (25), wherein the left end of the right filter box (24) is fixedly connected with the air outlet, a right filter chamber is arranged in the right filter box (24), the right filter chamber is communicated with the air outlet, and the right filter screen (25) is fixedly arranged in the right filter chamber.
4. The combustible gas detection alarm device according to claim 3, further comprising a turbo fan (26) and a connecting flange (27), wherein the connecting flange (27) is fixedly arranged at the left end and the right end of the turbo fan (26), and the turbo fan (26) is fixedly connected with the middle part of the air inlet pipe (2) through the connecting flange (27).
5. A combustible gas detection alarm device according to claim 4 characterised by further comprising an external sound hole (28), said external sound hole (28) being provided at the lower side of the front end of the housing (1).
6. The combustible gas detection alarm device according to claim 5, further comprising a dustproof drying net (29), wherein the dustproof drying net (29) is fixedly arranged at the lower side of the front end of the inner cavity, and the dustproof drying net (29) is positioned behind the external sound hole (28).
7. The combustible gas detection alarm device according to claim 6, further comprising a cover (30), wherein the right end of the cover (30) is connected with the left side of the front end of the cooling tank (15) through a hinge.
8. The combustible gas detection alarm device according to claim 7, further comprising a mounting hook (31), wherein the mounting hook (31) is fixedly arranged at the rear end of the housing (1).
CN201921137662.8U 2019-07-19 2019-07-19 Combustible gas detection alarm device Active CN210271185U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921137662.8U CN210271185U (en) 2019-07-19 2019-07-19 Combustible gas detection alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921137662.8U CN210271185U (en) 2019-07-19 2019-07-19 Combustible gas detection alarm device

Publications (1)

Publication Number Publication Date
CN210271185U true CN210271185U (en) 2020-04-07

Family

ID=70013253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921137662.8U Active CN210271185U (en) 2019-07-19 2019-07-19 Combustible gas detection alarm device

Country Status (1)

Country Link
CN (1) CN210271185U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112270811A (en) * 2020-09-21 2021-01-26 山东斯诺电子有限公司 Gas alarm controller with main/standby electricity conversion and under-voltage protection
CN112270812A (en) * 2020-10-28 2021-01-26 广州研测安全技术有限公司 Alarm for detecting combustible gas
CN112419678A (en) * 2020-11-17 2021-02-26 浙江小马车网络科技有限公司 Intelligent gas alarm device based on internet
CN112944219A (en) * 2020-12-31 2021-06-11 深圳市福田区南科大量子技术与工程研究院 Gas control box

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112270811A (en) * 2020-09-21 2021-01-26 山东斯诺电子有限公司 Gas alarm controller with main/standby electricity conversion and under-voltage protection
CN112270812A (en) * 2020-10-28 2021-01-26 广州研测安全技术有限公司 Alarm for detecting combustible gas
CN112270812B (en) * 2020-10-28 2022-04-05 广州研测安全技术有限公司 Alarm for detecting combustible gas
CN112419678A (en) * 2020-11-17 2021-02-26 浙江小马车网络科技有限公司 Intelligent gas alarm device based on internet
CN112944219A (en) * 2020-12-31 2021-06-11 深圳市福田区南科大量子技术与工程研究院 Gas control box

Similar Documents

Publication Publication Date Title
CN210271185U (en) Combustible gas detection alarm device
CN105376997B (en) Control method of positive pressure explosion-proof control cabinet
CN201787734U (en) Pre-warning gas water heater
US20200056793A1 (en) Hvac monitoring apparatus and method
CN106374376A (en) Intelligent fireproof and explosion-proof outdoor substation
CN216119009U (en) Kitchen atmospheric environment's early warning monitoring devices
CN210665416U (en) Oil smoke detection probe
CN110448826A (en) A kind of server automatic fire extinguishing system
CN216162194U (en) Power plant switch board electric fire early warning monitoring devices
CN215260568U (en) Condensing type gas wall-mounted furnace with monitoring and alarming mechanism
CN207834907U (en) A kind of novel distribution cabinet
CN102788364B (en) Furnace pressure monitoring method of combustor and apparatus thereof
CN203163162U (en) Solar energy indoor air quick cleaning system
CN213545477U (en) High-safety electricity consumption and prevention electrical control device
CN207852046U (en) Home furnishings intelligent environment warning device
CN209247588U (en) A kind of cooking fume sensor
CN219576271U (en) Digital power distribution cabinet
CN206846809U (en) A kind of kitchen range control system safety box
CN207140738U (en) A kind of automobile-used ozone purification device and a kind of in-car gas purifying equipment
CN212904489U (en) Point type combustible gas detection device based on infrared gas sensor
CN205351497U (en) Fresh air machine
CN214225101U (en) Ozone concentration detector
CN217562100U (en) Modular intelligent smoke alarm device
CN215576893U (en) Novel heat release particle detection device
CN111610357A (en) Electric power wire alarm device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant