CN215489139U - Pipeline gas detection protection device - Google Patents
Pipeline gas detection protection device Download PDFInfo
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- CN215489139U CN215489139U CN202121056465.0U CN202121056465U CN215489139U CN 215489139 U CN215489139 U CN 215489139U CN 202121056465 U CN202121056465 U CN 202121056465U CN 215489139 U CN215489139 U CN 215489139U
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Abstract
The utility model relates to the technical field of gas detection, and discloses pipeline gas detection protection equipment, which has the technical scheme that the pipeline gas detection protection equipment comprises a detector, wherein a detection cavity is arranged in the detector, the detection cavity comprises a gas inlet end and a gas outlet end, and the gas inlet end and the gas outlet end can be connected with a gas pipeline; meanwhile, compared with the existing gas detector, the gas detector can detect the gas pressure in the gas pipeline while detecting the gas concentration in a room, so that the problem of gas leakage caused by overlarge pressure in the gas pipeline is reduced from the source, and the central processing unit is used for performing signal connection on the two detection ends and the protection mechanism, so that the supervision work of a gas pipeline system by people is reduced to a certain extent.
Description
Technical Field
The utility model relates to the technical field of gas detection, in particular to pipeline gas detection protection equipment.
Background
Nowadays, with the progress of the times, every family lets in the gas pipeline, not only brings the benefit of convenient use of gas for people, has also brought the risk of gas leakage simultaneously, and present gas check out test set, the single gas leakage condition in detection room usually, the principle of these combustible gas detector detection parts is that the sensor of instrument adopts detecting element and fixed resistance and zero adjustment potentiometre to constitute the detection bridge circuit. The bridge circuit uses platinum wire as carrier catalytic element, the temperature of the platinum wire is raised to working temperature after electrifying, and air reaches the surface of the element in natural diffusion mode or other modes. When the air contains no combustible gas, the bridge circuit output is zero, when the air contains combustible gas and diffuses to the detection element, due to the fact that flameless combustion is generated under the catalytic action, the temperature of the detection element rises, the resistance of the platinum wire increases, the bridge circuit is unbalanced, and therefore a voltage signal is output, the voltage is in direct proportion to the concentration of the combustible gas, the signal is amplified and subjected to analog-to-digital conversion, the concentration of the combustible gas is displayed through a liquid display, and a buzzer is used for reminding people of a control end of a slotted hole valve to close the valve.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a pipeline gas detection protection device which is used for overcoming the defects in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the pipeline gas detection protection equipment comprises a detector, wherein a detection cavity is arranged in the detector, the detection cavity comprises a gas inlet end and a gas outlet end, and the gas inlet end and the gas outlet end can be connected with a gas pipeline;
the gas pipeline gas leakage detection device comprises a first detection end, a second detection end and a protection mechanism, wherein the first detection end is arranged on one side of the detector and comprises a pressure sensor, the pressure sensor is used for detecting the air pressure in the detection cavity, the change condition of the air pressure in the pipeline can be obtained through the first detection end, when the air pressure in the pipeline is too large, the pressure sensor can detect the too large air pressure, and the valve on the gas pipeline can be closed in time by matching with the protection mechanism, so that the possibility of valve leakage is reduced;
the second detection end is arranged on one side of the detector and comprises a detection bridge circuit for detecting the indoor gas concentration, the second detection end can detect the indoor gas concentration, and a valve on a gas pipeline can be closed in time by matching with a protection mechanism, so that the problem of continuous gas leakage is effectively prevented;
the central processing unit is configured in the detector, is electrically connected with the pressure sensor and the detection bridge circuit, and can connect each detection end and the protection mechanism in series through electric signals, so that the protection mechanism is ensured to open or close the valve at the correct time;
the protection mechanism is arranged on one side of the detector and comprises a power source and a driving piece, the power source provides power for driving the driving piece to move so as to open or close the valve, the protection mechanism is in electrical signal connection with the central processing unit and can drive the valve to open or close, and compared with the existing detector, the protection mechanism can automatically and timely close the valve on a gas pipeline and can also ensure the safety of a house under the condition that people are not indoors;
compared with the existing gas detector, the gas detector can detect the gas concentration in a room and the gas pressure in the gas pipeline, so that the problem of gas leakage caused by overlarge pressure in the gas pipeline is reduced from the source, and the central processing unit is used for connecting the two detection ends with the protection mechanism in a signal mode, so that the supervision work of a gas pipeline system by people is reduced to a certain extent.
As a further improvement of the utility model, the first detection end further comprises a first shell and an elastic membrane, the first shell is arranged on the outer side surface of the detector, a closed cavity is formed between the first shell and the detector, the pressure sensor is arranged in the closed cavity, a notch is arranged on the detector, one end of the notch is communicated with the closed cavity, the other end of the notch is communicated with the detection cavity, the elastic membrane is arranged in the notch, the elastic membrane is driven by the air pressure in the detection cavity to deform so as to change the air pressure of the closed cavity, current passes through the elastic membrane and the first shell in the operation process of the pressure sensor, the pressure sensor can not directly contact with the gas in the pipeline, and the risk of explosion of the gas in the gas pipeline due to the current is reduced, the elastic membrane has good deformation capability, gas pressure in the detection cavity can be accurately reflected, meanwhile, gas can be prevented from overflowing from the groove, and meanwhile, a sealed cavity formed between the first shell and the detector can prevent the gas from overflowing in case of damage of the elastic membrane.
As a further improvement of the utility model, the second detection end further comprises a protective cover, the detection bridge circuit is positioned in the protective cover, the protective cover is provided with a plurality of small holes, the safety of the detection bridge circuit can be improved through the arrangement of the protective cover, and meanwhile, the arrangement of the small holes can enable the detection bridge circuit to monitor the concentration of indoor gas in real time.
As a further improvement of the present invention, the protection mechanism includes a support plate, one end of the support plate extends to one side of the gas pipeline, the driving member and the power source are both disposed on the support plate, and the power source and the driving member can be directly mounted to align with the position of the valve through the arrangement of the support plate, thereby facilitating the control of the valve on the gas pipeline.
As a further improvement of the present invention, the driving member includes a rack, a gear, a hinge rod and a connecting rod, the gear is detachably connected to the output end of the power source, the rack is slidably mounted on the supporting plate, the connecting rod is connected to the control end of the valve, one end of the hinge rod is connected to the rack, the other end of the hinge rod is connected to the connecting rod, for some valves, the control end of the valve is lifted to open and close the valve, for such valves, the gear may be mounted on the output end of the power source, then the rack is mounted on the supporting plate, the rotary motion of the power source is converted into linear motion by the gear, and the hinge rod and the connecting rod are matched to realize the movement of the control end of the valve, thereby controlling the opening and closing of the valve.
As a further improvement of the utility model, the driving part comprises a rotary disc, the rotary disc is detachably connected with the output end of the power source, a plurality of short rods are arranged on the rotary disc, the short rods can be inserted into the control ends of the valves, for some valves, the control ends of the valves are connected with the gas pipeline in a threaded mode, the control ends of the valves adopt switches of round handles or rotary wheels, the short rods on the rotary disc can be inserted into gaps in the handles and the rotary wheels, and when the handles or the rotary wheels are driven to rotate by the rotary disc, the rotary wheels and the handles are not in contact with the rotary disc, so that the rotary wheels and the handles cannot be locked with the rotary disc in the process of moving up and down along the threads in a rotating mode.
As a further improvement of the present invention, the supporting plate is disposed on the top of the first housing, the second detecting end is disposed on the supporting plate, and the supporting plate is disposed on the first housing, so that the supporting plate can be lifted to a certain height, thereby providing more convenient installation for the valve control end higher than the gas pipeline.
As a further improvement of the utility model, the gas inlet end and the gas outlet end of the detection cavity are both provided with annular sealing gaskets, so that the problem of gas leakage can be prevented in the process of installing the gas pipeline.
The utility model has the beneficial effects that: the utility model can drive the valve to open or close through the protection mechanism, compared with the existing detector, the utility model can automatically and timely close the valve on the gas pipeline, and can also ensure the safety of the house under the condition that people are not indoors;
meanwhile, compared with the existing gas detector, the gas detector can detect the gas pressure in the gas pipeline while detecting the gas concentration in a room, so that the problem of gas leakage caused by overlarge pressure in the gas pipeline is reduced from the source, and the central processing unit is used for performing signal connection on the two detection ends and the protection mechanism, so that the supervision work of a gas pipeline system by people is reduced to a certain extent.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 in accordance with the present invention.
Reference numerals: 1. a detector; 11. a detection chamber; 12. grooving; 2. a first detection end; 21. an elastic film; 22. a pressure sensor; 23. a first housing; 24. a closed cavity; 3. a second detection terminal; 31. a protective cover; 32. a detection bridge circuit; 4. a protection mechanism; 41. a support plate; 42. a power source; 43. a gear; 44. a rack; 45. a hinged lever; 46. a connecting rod; 47. a turntable; 48. a short bar; 49. a drive member; 5. a gas pipeline; 6. a valve; 7. and a gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-3, the pipeline gas detection protection device of the embodiment includes a detector 1, a detection cavity 11 is arranged in the detector 1, the detection cavity 11 includes an air inlet end and an air outlet end, and both the air inlet end and the air outlet end can be connected with a gas pipeline 5;
the first detection end 2 is arranged on one side of the detector 1, the first detection end 2 comprises a pressure sensor 22, the pressure sensor 22 is used for detecting air pressure in the detection cavity 11, the change situation of the air pressure in the pipeline can be obtained through the first detection end 2, when the air pressure in the pipeline is too large, the pressure sensor 22 can detect the too large air pressure, and the valve 6 on the gas pipeline 5 can be closed in time by matching with the protection mechanism 4, so that the possibility of leakage of the valve 6 is reduced;
the second detection end 3 is arranged on one side of the detector 1, the second detection end 3 comprises a detection bridge circuit 32 for detecting the indoor gas concentration, the second detection end 3 can detect the indoor gas concentration, and the valve 6 on the gas pipeline 5 can be closed in time by matching with the protection mechanism 4, so that the problem of gas continuous leakage is effectively prevented;
the central processing unit is configured in the detector 1, is electrically connected with the pressure sensor 22 and the detection bridge circuit 32, and can connect each detection end with the protection mechanism 4 in series through an electric signal, so that the protection mechanism 4 can open or close the valve 6 at the correct time;
the protection mechanism 4 is arranged on one side of the detector 1, the protection mechanism 4 comprises a power source 42 and a driving piece 49, the power source 42 (including but not limited to a motor, an electric cylinder, an air cylinder hydraulic cylinder and the like) provides power for driving the driving piece 49 to move so as to open or close the valve 6, the protection mechanism 4 is in electrical signal connection with the central processing unit, the protection mechanism 4 can drive the valve 6 to open or close, and compared with the existing detector 1, the protection mechanism can automatically and timely close the valve 6 on the gas pipeline 5, and the safety of a house can be guaranteed under the condition that people are not indoors;
therefore, compared with the existing gas detector, the gas detector provided by the utility model can detect the gas concentration in a detection chamber and the gas pressure in the gas pipeline 5, so that the problem of gas leakage caused by overlarge pressure in the gas pipeline 5 is reduced from the source, and the central processing unit is used for performing signal connection on the two detection ends and the protection mechanism 4, so that the supervision work of a person on the gas pipeline 5 system is reduced to a certain extent.
As a further improvement of the utility model, the first detection end 2 further comprises a first shell 23 and an elastic membrane 21, the first shell 23 is arranged on the outer side surface of the detector 1, a sealed cavity 24 is formed between the first shell 23 and the detector 1, the pressure sensor 22 is arranged in the sealed cavity 24, the detector 1 is provided with a slot 12, one end of the slot 12 is communicated with the sealed cavity 24, the other end of the slot 12 is communicated with the detection cavity 11, the elastic membrane 21 is arranged in the slot 12, the pressure in the detection cavity 11 drives the elastic membrane 21 to deform so as to change the pressure in the sealed cavity 24, in the operation process of the pressure sensor 22, current passes through, through the arrangement of the elastic membrane 21 and the first shell 23, the pressure sensor 22 can not directly contact with the gas in the pipeline, thereby reducing the risk of explosion of the gas in the gas pipeline 5 due to the current, and the elastic membrane 21 has good deformation capability to accurately reflect the pressure in the detection cavity 11, it is also possible to prevent the escape of gas from the slot 12, while the closed chamber 24 formed between the first housing 23 and the detector 1 allows the escape of gas to be prevented in the event of damage to the elastic membrane 21.
As a further improvement of the present invention, the second detection end 3 further comprises a protective cover 31, the detection bridge circuit 32 is located in the protective cover 31, a plurality of small holes are formed in the protective cover 31, the safety of the detection bridge circuit 32 can be improved through the arrangement of the protective cover 31, and meanwhile, the arrangement of the small holes can enable the detection bridge circuit 32 to monitor the concentration of the indoor gas in real time.
Referring to fig. 1-2, the protection mechanism 4 includes a support plate 41, one end of the support plate 41 extends to one side of the gas pipeline 5, and the driving member 49 and the power source 42 are both disposed on the support plate 41, so that the power source 42 and the driving member 49 can be directly mounted to align with the position of the valve 6 through the support plate 41, thereby facilitating the control of the valve 6 on the gas pipeline 5.
Referring to fig. 1, the driving member 49 includes a rack 44, a gear 43, a hinge rod 45 and a link 46, the gear 43 is detachably connected to the output end of the power source 42, the rack 44 is slidably mounted on the supporting plate 41, the link 46 is connected to the control end of the valve 6, one end of the hinge rod 45 is connected to the rack 44, the other end of the hinge rod 45 is connected to the link 46, for some valves 6, the control end of the valve 6 is lifted to open and close the valve 6, for such valves 6, the gear 43 may be mounted on the output end of the power source 42, then the rack 44 is mounted on the supporting plate 41, the rotational motion of the power source 42 is converted into a linear motion by the gear 43, and the hinge rod 45 and the link 46 are matched to realize the movement of the control end of the valve 6, thereby controlling the opening and closing of the valve 6.
Referring to fig. 2, the driving member 49 includes a rotating disc 47, the rotating disc 47 is detachably connected to the output end of the power source 42, a plurality of short rods 48 are disposed on the rotating disc 47, the short rods 48 can be inserted into the control end of the valves 6, for some valves 6, the control end of the valves 6 is connected to the gas pipeline 5 in a threaded manner, the control end of the valves 6 adopts a switch of a circular handle or a rotating wheel, the short rods 48 on the rotating disc 47 can be inserted into gaps in the handles and the rotating wheel, and when the handles or the rotating wheel are driven to rotate by the rotating disc 47, the rotating wheel and the handles are not in contact with the rotating disc 47, so that the rotating wheel and the handles cannot be jammed with the rotating disc 47 in the process of moving up and down due to rotation along the threads.
Referring to fig. 1, the supporting plate 41 is disposed on the top of the first casing 23, and the second detecting end 3 is disposed on the supporting plate 41, so that the supporting plate 41 can be lifted by a certain height by disposing the supporting plate 41 on the first casing 23, thereby providing more convenient installation for the control end of the valve 6 higher than the gas pipeline 5.
Referring to fig. 1, the gas inlet end and the gas outlet end of the detection cavity 11 are both provided with annular sealing gaskets 7, so that the problem of gas leakage can be prevented in the process of installing the gas pipeline 5.
In one embodiment, the material of the gasket 7 includes, but is not limited to, rubber, silicone, etc.
In one embodiment, the gas inlet end and the gas outlet end of the detection cavity 11 are both provided with a round chamfer, so that the gas pipeline 5 can be conveniently inserted and pulled out.
In one embodiment, the gas conduit 5 is threaded with the detector 1.
In one embodiment, the detector 1 is provided with an alarm which is in signal connection with the central processing unit, so that the alarm can send alarm information to the mobile phone through the central processing unit besides sounding and reminding, and people can know the gas leakage condition in a house when not indoors.
In one embodiment, the mobile phone can remotely send an opening or closing signal to the central processing unit through an indoor wireless network, thereby facilitating the control of the gas pipeline 5 by people.
The working principle is as follows: when the pressure in the detection cavity 11 is too high, the elastic film 21 protrudes toward the closed cavity 24, so that the space of the closed cavity 24 is compressed and the air pressure inside the closed cavity 24 is increased, at this time, when the pressure sensor 22 detects that the air pressure is too high, the central processing unit controls the power source 42 to drive the gear 43 to rotate, so as to drive the rack 44 to move, the hinge rod 45 drives the connecting rod 46 to move downwards, so that the valve 6 is closed, and similarly, when the detection bridge circuit 32 detects that the concentration of the indoor gas is too high, the valve 6 can also be closed through the power source 42 and the driving piece 49;
when the valve 6 needs to be opened after the overhaul is finished, the valve is directly opened or the power source 42 is controlled by the mobile phone to be reversely started, so that the valve 6 is moved upwards through the driving piece 49, the valve 6 is opened, and the gas can be normally used.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a pipeline gas detection protective apparatus, includes detector (1), be provided with in detector (1) and detect chamber (11), its characterized in that: the detection cavity (11) comprises an air inlet end and an air outlet end, and the air inlet end and the air outlet end can be connected with a gas pipeline (5);
the first detection end (2), the first detection end (2) is arranged on one side of the detector (1), the first detection end (2) comprises a pressure sensor (22), and the pressure sensor (22) is used for detecting the air pressure in the detection cavity (11);
the second detection end (3), the second detection end (3) is arranged on one side of the detector (1), and the second detection end (3) comprises a detection bridge circuit (32) for detecting the indoor gas concentration;
a central processor, arranged within said detector (1), electrically connected to said pressure sensor (22) and to said detection bridge (32);
protection mechanism (4), protection mechanism (4) set up in detector (1) one side, protection mechanism (4) include power supply (42), driving piece (49), power supply (42) provide the drive the power of driving piece (49) motion is so that valve (6) open or close, protection mechanism (4) with central processing unit electricity signal connection.
2. The pipeline gas detection protection device of claim 1, characterized in that: first sense terminal (2) still include first casing (23) and elastic membrane (21), first casing (23) set up in the lateral surface of detector (1), first casing (23) with form airtight chamber (24) between detector (1), pressure sensor (22) set up in airtight chamber (24), be provided with fluting (12) on detector (1), fluting (12) one end with airtight chamber (24) intercommunication, the other end of fluting (12) with it communicates with each other to detect chamber (11), elastic membrane (21) set up in fluting (12), detect the atmospheric pressure drive in chamber (11) elastic membrane (21) deformation is so that change the atmospheric pressure of airtight chamber (24).
3. The pipeline gas detection protection device of claim 1, characterized in that: the second detection end (3) further comprises a protective cover (31), the detection bridge circuit (32) is located in the protective cover (31), and a plurality of small holes are formed in the protective cover (31).
4. The pipeline gas detection protection device of claim 1, characterized in that: protection machanism (4) include backup pad (41), the one end of backup pad (41) extends to one side of gas pipeline (5), driving piece (49) with power supply (42) all set up on backup pad (41).
5. The pipeline gas detection protection device of claim 4, characterized in that: the driving piece (49) comprises a rack (44), a gear (43), a hinged rod (45) and a connecting rod (46), the gear (43) is detachably connected with the output end of the power source (42), the rack (44) is slidably mounted on the supporting plate (41), the connecting rod (46) is connected with the control end of the valve (6), one end of the hinged rod (45) is connected with the rack (44), and the other end of the hinged rod (45) is connected with the connecting rod (46).
6. The pipeline gas detection protection device of claim 4, characterized in that: the driving piece (49) comprises a rotary table (47), the rotary table (47) is detachably connected with the output end of the power source (42), a plurality of short rods (48) are arranged on the rotary table (47), and the short rods (48) can be inserted into the control end of the valve (6).
7. The pipeline gas detection protection device of claim 4, characterized in that: the supporting plate (41) is arranged at the top of the first shell (23), and the second detection end (3) is arranged on the supporting plate (41).
8. The pipeline gas detection protection device of claim 1, characterized in that: the air inlet end of the detection cavity (11) and the air outlet end are both provided with annular sealing gaskets (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056465.0U CN215489139U (en) | 2021-05-17 | 2021-05-17 | Pipeline gas detection protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056465.0U CN215489139U (en) | 2021-05-17 | 2021-05-17 | Pipeline gas detection protection device |
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| Publication Number | Publication Date |
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| CN215489139U true CN215489139U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121056465.0U Active CN215489139U (en) | 2021-05-17 | 2021-05-17 | Pipeline gas detection protection device |
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| CN (1) | CN215489139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614525A (en) * | 2022-12-20 | 2023-01-17 | 常州市潞城燃气设备股份有限公司 | Valve box for gas |
-
2021
- 2021-05-17 CN CN202121056465.0U patent/CN215489139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614525A (en) * | 2022-12-20 | 2023-01-17 | 常州市潞城燃气设备股份有限公司 | Valve box for gas |
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