CN111275933A - Safety detection alarm device used in workshop - Google Patents
Safety detection alarm device used in workshop Download PDFInfo
- Publication number
- CN111275933A CN111275933A CN202010178847.4A CN202010178847A CN111275933A CN 111275933 A CN111275933 A CN 111275933A CN 202010178847 A CN202010178847 A CN 202010178847A CN 111275933 A CN111275933 A CN 111275933A
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- air inlet
- workshop
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- detection box
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 108
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000007789 gas Substances 0.000 claims description 40
- 239000002341 toxic gas Substances 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 206010010904 Convulsion Diseases 0.000 abstract description 3
- 230000036461 convulsion Effects 0.000 abstract description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a safety detection alarm device used in a workshop, which comprises a gas detection box, wherein a controller is arranged on the outer side surface of the gas detection box; the electric telescopic rod drives the sealing piston to exhaust air, and then the small electric telescopic rod pushes the lower baffle plate to ascend and descend so as to detect gas in the square detection box; convulsions are carried out through circulating fan's effect to make the air in air intake pipe net and the L type air cycle pipe can carry out quick change. The invention has the advantages of simple operation and strong practicability.
Description
Technical Field
The invention relates to the field of safety detection related equipment, in particular to a safety detection alarm device used in a workshop.
Background
The buzzer is arranged on the gas detection instrument used at present, but the buzzer is small, the sound is very small, the sound of the workshop is very easy to hear when the buzzer is used in the workshop, the high-power buzzer is generally difficult to be arranged on the gas detection instrument and needs to be arranged independently, and therefore when the instrument detects that the concentration of toxic gas is abnormal, the control on the additionally arranged buzzer is relatively troublesome.
In patent CN 201821822596.3-a workshop poisonous and harmful gas leak testing alarm device, detect the workshop poison gas concentration anomaly with the signal transmission for the controller when the poison gas sensor, the controller can control the control cylinder and open, the control cylinder is opened and is promoted rotatory fixture block and remove the joint to the joint post, joint on the rotatory fixture block under the normal condition colludes and catches on the joint post, buffer spring is in tensile state, collude when the joint and remove the joint, buffer spring makes the dwang rotate with the pulling dwang, the dwang can rotate on first rotation post, will drive when the dwang rotates and press the corresponding motion of briquetting, press the shift knob on the briquetting touching buzzer and then open buzzer, the bee is buzzed and is sent through a plurality of volume hole.
But because the workshop inner space is great, and above-mentioned patent can effectually detect poisonous and harmful gas, but the detection range is too little, can't accurate quick detection workshop inside gas condition.
Disclosure of Invention
The invention aims to solve the problems and designs a safety detection alarm device used in a workshop.
The technical scheme of the invention is that the safety detection alarm device used in a workshop comprises a gas detection box, wherein a controller is arranged on the outer side surface of the gas detection box, an alarm device is arranged outside the gas detection box, a high-precision gas detection device is arranged in the gas detection box, and an air circulation device is arranged on the high-precision gas detection device;
the high-precision gas detection device comprises a square detection box arranged on one side inside the gas detection box, a sealing movable piston movably arranged inside the square detection box, a telescopic opening formed in the center of the side surface of one side of the square detection box, an electric telescopic rod arranged on the telescopic opening, a telescopic end of the electric telescopic rod fixedly connected with the sealing movable piston, a rubber sealing gasket sleeved between the telescopic end and the telescopic opening of the electric telescopic rod, a detection opening formed in the center of the lower surface of the square detection box, a detection sleeve arranged inside the detection opening, a fixed bracket arranged at the center below the square detection box, a small electric telescopic rod arranged at the center of the fixed bracket, a lower sealing baffle arranged at the telescopic end of the small electric telescopic rod, a lower sealing baffle movably connected with the detection sleeve, and an electrochemical toxic gas sensor arranged at the center above the lower sealing baffle, the lower sealing baffle is provided with a supporting rod, the upper end of the supporting rod is provided with an upper sealing baffle which is movably connected with the detection sleeve, and the square detection box is provided with an air inlet and outlet device;
the air inlet and outlet device comprises air inlet branch pipes are installed on the side surface upper portions of two sides of the square detection box, a first one-way air valve is installed on each air inlet branch pipe, the two air inlet branch pipes are connected through a first three-way connector, an air inlet main pipe is installed at the last end of the first three-way connector, an air inlet electromagnetic valve is installed on the air inlet main pipe, exhaust branch pipes are installed on the side surface lower portions of two sides of the square detection box, a second one-way air valve is installed on each exhaust branch pipe, the two exhaust branch pipes are connected through a second three-way connector, an exhaust main pipe is installed at the last end of the second three-way connector, and the exhaust main pipe.
Air circulation device includes the inside top center department of gas detection case installs L type air circulation pipe, L type air circulation pipe is responsible for fixed connection with admitting air, install circulating fan on the L type air circulation pipe, the bellows is installed to the one end of L type air circulation pipe, the air intake pipe network is installed to the one end of bellows, the dust screen panel is installed to the air intake port department of air intake pipe network.
Alarm device includes install a plurality of red warning lights on the lower surface of intake pipe network, red warning light evenly distributed is on the lower surface of intake pipe network, be equipped with a plurality of full-automatic bells ware on the intake pipe network lower surface, full-automatic bells ware evenly distributed is in intake pipe network below.
And one end inside the L-shaped air circulation pipe is provided with a dust filtering cotton core.
The air inlet pipe network is formed by a pipe network made of PVC materials and is fixedly connected with a steel structure in a workshop.
The full-automatic bell making device is fixedly arranged on a steel structure in a workshop.
And the air inlet ends of the air inlet pipe network are uniformly distributed above the interior of the workshop.
And the other ends of the exhaust main pipe and the L-shaped air circulation pipe extend out of the workshop.
According to the safety detection alarm device used in the workshop and manufactured by the technical scheme, the electric telescopic rod drives the sealing piston to exhaust air, and the small electric telescopic rod pushes the lower baffle plate to ascend and descend so as to detect the gas in the square detection box; convulsions are carried out through circulating fan's effect to make the air in intake pipe network and the L type air cycle pipe can carry out quick change, thereby guarantee that gaseous accurate, quick that detect, simultaneously through intake pipe network's effect, can make the inside air condition in detection workshop that the device can be abundant.
Drawings
FIG. 1 is a schematic structural diagram of a safety detection alarm device used in a workshop according to the invention;
FIG. 2 is an enlarged view of a portion of the high-precision gas detection device of the present invention;
FIG. 3 is a schematic view of an air intake network according to the present invention;
FIG. 4 is a schematic view of the fully automatic ringer of the present invention;
FIG. 5 is a schematic view of a dust filter cartridge according to the present invention;
in the figure, 1, a gas detection box; 2. a controller; 3. a square detection box; 4. a seal-moving piston; 5. a flexible opening; 6. an electric telescopic rod; 7. a rubber gasket; 8. a detection port; 9. detecting the casing pipe; 10. fixing a bracket; 11. a small electric telescopic rod; 12. a lower sealing baffle; 13. an electrochemical toxic gas sensor; 14. a support bar; 15. an upper sealing baffle plate; 16. an intake branch pipe; 17. a one-way air valve I; 18. a first tee joint; 19. a main air inlet pipe; 20. an air inlet solenoid valve; 21. an exhaust branch pipe; 22. a one-way air valve II; 23. a tee joint II; 24. a main exhaust pipe; 25. an L-shaped air circulation pipe; 26. a circulating fan; 27. a flexible hose; 28. an air inlet pipe network; 29. a dust-proof net cover; 30. a red warning light; 31. a full-automatic bell-striking device; 32. the dust filters the cotton core.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-5, in this embodiment:
in this device, the device supplies power by being connected with an external power supply, the external power supply is connected with the controller 2, the electric telescopic rod 6, the small electric telescopic rod 11, the air inlet electromagnetic valve 20, the circulating fan 26, the red warning light 30 and the full-automatic belling device 31 are electrically connected for supplying power, the controller 2 is a PLC controller of FX1S-30MR-001 model, the control signal output end of the controller 2 is respectively electrically connected with the electric telescopic rod 6, the small electric telescopic rod 11, the air inlet electromagnetic valve 20, the circulating fan 26, the red warning light 30 and the full-automatic belling device 31 through a relay, the signal receiving end of the controller 2 is electrically connected with the signal sending end of the electrochemical poison gas sensor 13, and therefore the operation of the whole device is controlled.
The invention is characterized in that the high-precision gas detection device is structurally designed, and by combining an attached drawing 1 and an attached drawing 2, the high-precision gas detection device comprises a gas detection box 1, a square detection box 3 is arranged on one side inside the gas detection box 1, a sealing movable piston 4 is movably arranged inside the square detection box 3, a telescopic opening 5 is formed in the center of the side surface on one side of the square detection box 3, an electric telescopic rod 6 is arranged on the telescopic opening 5, the telescopic end of the electric telescopic rod 6 is fixedly connected with the sealing movable piston 4, a rubber sealing gasket 7 is sleeved between the telescopic end of the electric telescopic rod 6 and the telescopic opening 5, a detection opening 8 is formed in the center of the lower surface of the square detection box 3, a detection sleeve 9 is arranged inside the detection opening 8, a fixed support 10 is arranged at the center below the square detection box 3, a small electric telescopic rod 11 is arranged at the center of the fixed support, the lower sealing baffle 12 is movably connected with the detection sleeve 9, the center above the lower sealing baffle 12 is provided with an electrochemical toxic gas sensor 13, the lower sealing baffle 12 is provided with a support rod 14, the upper end of the support rod 14 is provided with an upper sealing baffle 15, the upper sealing baffle 15 is movably connected with the detection sleeve 9, the upper parts of the side surfaces of the two sides of the square detection box 3 are provided with air inlet branch pipes 16, the air inlet branch pipes 16 are provided with one-way air valves 17, the two air inlet branch pipes 16 are connected through a three-way joint 18, the last end of the three-way joint 18 is provided with an air inlet main pipe 19, the air inlet main pipe 19 is provided with an air inlet electromagnetic valve 20, the lower parts of the side surfaces of the two sides of the square detection box 3 are provided with exhaust branch pipes 21, the exhaust branch pipes 21 are provided with two one-way air valves 22, the, the exhaust main pipe 24 is fixedly connected with the gas detection box 1; drive sealing piston 4 through electric telescopic handle 6 and bleed, baffle 12's rising and decline under rethread small electric telescopic handle 11 promotes to detect the inside gas of square detection case 3, and through last sealing baffle 15 and lower sealing baffle 12 and detection sleeve 9's sealing connection, can make the poisonous gas sensor of electrochemistry 13 can effectually keep apart, thereby guarantee the accuracy nature of gaseous detection.
The invention is characterized in the structural design of the air circulation device, and by combining the attached drawings 1, 3 and 4, the air circulation device comprises an L-shaped air circulation pipe 25 arranged at the center above the inside of a gas detection box 1, the L-shaped air circulation pipe 25 is fixedly connected with an air inlet main pipe 19, a circulation fan 26 is arranged on the L-shaped air circulation pipe 25, a flexible hose 27 is arranged at one end of the L-shaped air circulation pipe 25, an air inlet pipe network 28 is arranged at one end of the flexible hose 27, a dustproof mesh enclosure 29 is arranged at the air inlet end of the air inlet pipe network 28, and a dust filtering cotton core 32 is arranged at one end inside the L-shaped air circulation pipe 25; convulsions are carried out through circulating fan 26's effect to make the air in intake pipe network 29 and the L type air circulation pipe 25 can carry out quick change, thereby guarantee the accuracy that gaseous detected, quick, simultaneously through intake pipe network 28's effect, can make the inside air condition in detection workshop that the device can be abundant, simultaneously through the effect that dustproof mesh enclosure 29 and dust filter cotton core 32, can effectual filtration detect the air, thereby guarantee the inside cleanliness factor of device.
In this device, alarm device is through installing a plurality of red warning lights 30 in intake pipe network 28 below, thereby take place the safety problem in reminding the workshop to the staff through the scintillation of red warning light 30, carry out the sound prompt through a plurality of full-automatic belling wares 31 of installing on the inside steel construction in workshop simultaneously, use full-automatic belling ware 31 can make the transmission that the warning sound when reporting to the police can be quick reach in staff's ear, the effectual emergence that has prevented the condition that the warning sound is too big and became invalid because of the noise in the workshop.
The working principle of the device is as follows: firstly, mounting the gas detection box 1 on a wall on one side inside a workshop, fixing the air inlet pipe network 28 on a steel structure above the workshop, uniformly distributing air inlet ports on the air inlet pipe network 28 in the workshop, connecting and fixing the air inlet pipe network 28 and the L-shaped air circulation pipe 25 through the telescopic hose 27, and simultaneously extending outlet ends of the L-shaped air circulation pipe 25 and the exhaust main pipe 24 out of the workshop, so that the device is mounted;
the device works in a timing mode, and workers can set the running interval time of the device through the controller 2;
when the device starts to work, firstly, the circulating fan 26 is controlled to start to work, the circulating fan 26 enables the interior of the L-shaped air circulating pipe 25 to generate negative pressure through high-speed rotation, the L-shaped air circulating pipe 25 is connected with the air inlet pipe network 28 through the telescopic hose 27, so that the air inlet end of the air inlet pipe network 28 starts to extract air, the air in a workshop is subjected to primary dust prevention through the dust prevention net cover 29, the dust amount in the air inlet pipe network 28 is reduced, and meanwhile, when the air enters the L-shaped air circulating pipe 25, secondary filtration is performed through the dust filtration cotton core 32, so that the dust in the air is filtered;
after the circulating fan 26 works for a certain time, discharging gas in the air inlet pipe network 28 and the L-shaped air circulating pipe 25, and simultaneously replacing the gas with air in a workshop, controlling the circulating fan 26 to continue working at the moment, controlling the electric telescopic rod 6 to start working, opening the air inlet electromagnetic valve 20, driving the sealing movable piston 4 to start moving by the electric telescopic rod 6 through extension or contraction, so that negative pressure is generated in the square detection box 3, and then enabling the gas in the L-shaped air circulating pipe 25 to enter the square detection box 3 through the air inlet main pipe 19, the three-way joint I18 and the air inlet branch pipe 17 under the action of the one-way air valve I17 and the one-way air valve II 22;
when the sealing movable piston 4 moves to one end inside the square detection box 3, the electric telescopic rod 6 and the circulating fan 26 are controlled to stop working and the air inlet electromagnetic valve 20 is closed at the same time, the small electric telescopic rod 11 is controlled to start extending, the small electric telescopic rod 11 extends to drive the lower sealing baffle 12 to start rising, meanwhile, the upper sealing baffle 15 is connected with the lower sealing baffle 12 through the supporting rod 14, the upper sealing baffle 15 rises at the same time, the upper sealing baffle 15 rises to be separated from the detection sleeve 9, so that the upper end of the detection sleeve 9 is communicated with detected air, and meanwhile, when the lower sealing baffle 12 moves to the upper end inside the detection sleeve 9, the small electric telescopic rod 11 is controlled to stop working;
at the moment, the electrochemical poison gas sensor 13 is in contact with the air in the square detection box 3, so that the components of toxic gas in the air are detected through the electrochemical poison gas sensor 13, when the content of the toxic gas detected by the electrochemical poison gas sensor 13 exceeds a set value, the red warning lamp 30 is controlled to start working at the moment, the full-automatic bell-beating device 31 is controlled to start working at the same time, the red warning lamp 30 generates a red flashing lamp when working, so that workers are prompted from the lighting direction, potential safety hazards exist in a workshop, the full-automatic bell-beating device 31 rings with high frequency, and therefore the potential safety hazards exist in the workshop through the direction of sound, so that the workers in the workshop are evacuated, and the personal health of the workers is protected;
when the content of the toxic gas detected by the electrochemical toxic gas sensor 13 is lower than a set value, controlling the small electric telescopic rod 11 to start to contract at the moment, and enabling the upper sealing baffle 15 and the lower sealing baffle 12 to recover to the original positions, so that the electrochemical toxic gas sensor 13 is retracted into the detection sleeve 9 for sealing and isolation;
when the sealing movable piston 4 is moved again, the sealing movable piston 4 exhausts residual air inside the square detection box 3 through the exhaust branch pipe 21 and the exhaust main pipe 24, thereby ensuring the accuracy of gas detection.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. A safety detection alarm device used in a workshop comprises a gas detection box (1), wherein a controller (2) is installed on the outer side surface of the gas detection box (1), and an alarm device is arranged outside the gas detection box (1), and the safety detection alarm device is characterized in that a high-precision gas detection device is arranged in the gas detection box (1), and an air circulation device is arranged on the high-precision gas detection device;
the high-precision gas detection device comprises a square detection box (3) installed on one side inside a gas detection box (1), a sealing movable piston (4) is installed inside the square detection box (3), a telescopic opening (5) is formed in the center of the side surface of one side of the square detection box (3), an electric telescopic rod (6) is installed on the telescopic opening (5), the telescopic end of the electric telescopic rod (6) is fixedly connected with the sealing movable piston (4), a rubber sealing gasket (7) is sleeved between the telescopic end of the electric telescopic rod (6) and the telescopic opening (5), a detection opening (8) is formed in the center of the lower surface of the square detection box (3), a detection sleeve (9) is installed inside the detection opening (8), a fixed support (10) is installed in the center of the lower portion of the square detection box (3), and a small electric telescopic rod (11) is installed in the center of the fixed support (10), a lower sealing baffle (12) is mounted at the telescopic end of the small electric telescopic rod (11), the lower sealing baffle (12) is movably connected with the detection sleeve (9), an electrochemical toxic gas sensor (13) is mounted at the center above the lower sealing baffle (12), a support rod (14) is mounted on the lower sealing baffle (12), an upper sealing baffle (15) is mounted at the upper end of the support rod (14), the upper sealing baffle (15) is movably connected with the detection sleeve (9), and an air inlet and outlet device is mounted on the square detection box (3);
the air inlet and outlet device comprises an air inlet branch pipe (16) arranged above the side surfaces of two sides of the square detection box (3), a one-way air valve I (17) is arranged on the air inlet branch pipe (16), the two air inlet branch pipes (16) are connected through a tee joint I (18), the last end of the first tee joint (18) is provided with an air inlet main pipe (19), the air inlet main pipe (19) is provided with an air inlet electromagnetic valve (20), exhaust branch pipes (21) are arranged below the side surfaces of the two sides of the square detection box (3), a one-way air valve II (22) is arranged on the exhaust branch pipe (21), the two exhaust branch pipes (21) are connected through a tee joint II (23), and an exhaust main pipe (24) is installed at the last end of the second three-way joint (23), and the exhaust main pipe (24) is fixedly connected with the gas detection box (1).
2. The safety detection alarm device for use in workshop according to claim 1, characterized in that, air circulation device includes that gas detection case (1) is inside top center department installs L type air circulation pipe (25), L type air circulation pipe (25) are responsible for (19) fixed connection with admitting air, install circulating fan (26) on the L type air circulation pipe (25), bellows (27) are installed to the one end of L type air circulation pipe (25), inlet air pipe network (28) are installed to the one end of bellows (27), inlet air pipe network (28) are installed to inlet air pipe network (28) port department and are installed dust screen panel (29).
3. The safety detection alarm device for the workshop as claimed in claim 1, wherein the alarm device comprises a plurality of red alarm lamps (30) mounted on the lower surface of the air inlet pipe network (28), the red alarm lamps (30) are uniformly distributed on the lower surface of the air inlet pipe network (28), a plurality of full-automatic belling devices (31) are arranged on the lower surface of the air inlet pipe network (28), and the full-automatic belling devices (31) are uniformly distributed below the air inlet pipe network (28).
4. The safety detection alarm device for the workshop as claimed in claim 2, wherein one end of the interior of the L-shaped air circulation pipe (25) is provided with a dust filtering cotton core (32).
5. The safety detection and alarm device for the workshop as recited in claim 2, wherein the air inlet pipe network (28) is formed by a pipe network made of PVC material, and the air inlet pipe network (28) is fixedly connected with a steel structure in the workshop.
6. The safety detection alarm device for the workshop as claimed in claim 3, wherein the full-automatic bell-ringing device (31) is fixedly installed on a steel structure in the workshop.
7. The safety detection alarm device for the workshop as claimed in claim 2, characterized in that the air inlet ends of the air inlet pipe network (28) are evenly distributed above the workshop interior.
8. The safety inspection alarm device for workshop according to claim 1, wherein the other ends of the main exhaust pipe (24) and the L-shaped air circulation pipe (25) extend out of the workshop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178847.4A CN111275933B (en) | 2020-03-15 | 2020-03-15 | Safety detection alarm device used in workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178847.4A CN111275933B (en) | 2020-03-15 | 2020-03-15 | Safety detection alarm device used in workshop |
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| Publication Number | Publication Date |
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| CN111275933A true CN111275933A (en) | 2020-06-12 |
| CN111275933B CN111275933B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010178847.4A Expired - Fee Related CN111275933B (en) | 2020-03-15 | 2020-03-15 | Safety detection alarm device used in workshop |
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| CN (1) | CN111275933B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115728450A (en) * | 2022-11-14 | 2023-03-03 | 北京京仪大气环保科技有限公司 | Mobile greenhouse gas detection vehicle |
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| US20030138329A1 (en) * | 2002-01-24 | 2003-07-24 | Riken Keiki Co., Ltd. | Gas suction pump device, gas feed adapter and gas alarm unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728450A (en) * | 2022-11-14 | 2023-03-03 | 北京京仪大气环保科技有限公司 | Mobile greenhouse gas detection vehicle |
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| CN111275933B (en) | 2022-07-12 |
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