CN217875366U - Domestic natural gas automatic cutout device - Google Patents
Domestic natural gas automatic cutout device Download PDFInfo
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- CN217875366U CN217875366U CN202222349289.0U CN202222349289U CN217875366U CN 217875366 U CN217875366 U CN 217875366U CN 202222349289 U CN202222349289 U CN 202222349289U CN 217875366 U CN217875366 U CN 217875366U
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Abstract
The utility model relates to a household natural gas automatic cutting device, which comprises a solenoid valve fixedly arranged on a pipeline and a controller for controlling the solenoid valve to open or cut off a combustible gas channel in the pipeline; one end of the controller is provided with a first gas detector for detecting whether the concentration of the combustible gas in the pipeline changes, and the other end of the controller is provided with a second gas detector for detecting whether the combustible gas exists outside the pipeline; when the first gas detector and the second gas detector detect combustible gas, the controller controls the electromagnetic valve to cut off the combustible gas channel; this domestic natural gas automatic cutout device can in time and detect fast whether combustible gas reveals to the very first time cuts off the combustible gas passageway in the pipeline, can effectively avoid the incident because of combustible gas body leaks and cause.
Description
Technical Field
The utility model relates to a combustible gas pipeline safety technical field, more specifically say, relate to a domestic natural gas automatic cutout device.
Background
The combustible gas stove is used as household energy equipment for improving living conditions of people, so that the combustible gas stove is very common in life, but in the process of using combustible gas, accidents such as combustible gas explosion, poisoning and the like caused by waste gas leakage and the like of the combustible gas occur, and serious threat is brought to the safety of life and property of people, so that the problem of combustible gas leakage is always a major problem of household potential safety hazard;
the utility model of patent No. CN202021620342.0 discloses an automatic cut-off device for household combustible gas leakage, which detects the gas concentration in the detection bin by a combustible gas detector, when the combustible gas leakage occurs, the concentration in the detection bin changes, and the controller starts an alarm and the automatic cut-off device at the same time, thereby cutting off the combustible gas conveying channel; but above-mentioned patent is only to detecting the storehouse and is the combustible gas concentration in the pipeline detects, does not detect whether there is combustible gas to reveal outside the pipeline, when combustible gas reveals outside the pipeline, can not cut off the gas the very first time, consequently still has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a domestic natural gas automatic cutout device.
The utility model provides a technical scheme that its technical problem adopted is: the automatic household natural gas cut-off device comprises an electromagnetic valve fixedly arranged on a pipeline and a controller for controlling the electromagnetic valve to open or cut off a combustible gas channel in the pipeline; one end of the controller is provided with a first gas detector for detecting whether the concentration of the combustible gas in the pipeline changes, and the other end of the controller is provided with a second gas detector for detecting whether the combustible gas exists outside the pipeline; when the first gas detector and the second gas detector detect combustible gas, the controller controls the electromagnetic valve to cut off the combustible gas channel;
the utility model discloses a domestic natural gas automatic cutting device, wherein, the pipeline includes the pipe fitting main part that supplies the combustible gas circulation, and with the connecting branch pipe of the through connection of pipe fitting main part; the controller is fixedly provided with a fixing part matched with the connecting branch pipe; the fixed part is tightly arranged in the connecting branch pipe; the first gas detector is fixedly arranged at one end of the fixed part, which is far away from the controller; at least a portion of the first gas detector is disposed within the tube body;
the utility model discloses a domestic natural gas automatic cutout device, wherein, the controller with the solenoid valve is fixed on the pipeline along the flow direction of combustible gas in proper order;
the household natural gas automatic cutting device of the utility model, wherein, the inner wall of one end of the connecting branch pipe, which is far away from the pipe fitting main body, is provided with a sealing ring for the fixed part to pass through, and the inner wall of one end, which is near to the pipe fitting main body, is provided with an internal thread; the outer surface of the fixing part is provided with an external thread matched with the internal thread; when the sealing ring is assembled in place, one end of the fixing part is fixedly connected with the connecting branch pipe through threads, and the other end of the fixing part is tightly connected with the connecting branch pipe through the sealing ring;
a sealing ring for the first gas detector to penetrate through is arranged on the inner wall of one end, far away from the pipe fitting main body, of the connecting branch pipe, and an internal thread is arranged on the inner wall of one end, close to the pipe fitting main body, of the connecting branch pipe; the outer surface of the first gas detector is provided with an external thread matched with the internal thread; when the gas detector is assembled in place, one end of the first gas detector is fixedly connected with the connecting branch pipe through threads, and the other end of the first gas detector is tightly connected with the connecting branch pipe through the sealing ring;
the utility model discloses a domestic natural gas automatic cutout device, wherein, the electricity is connected with the alarm that reminds the user that combustible gas appears revealing on the controller;
the utility model discloses a domestic natural gas automatic cutting device, wherein, the electricity of the controller is connected with a timer; the timer is used for setting time to generate countdown information, and the controller controls the electromagnetic valve to cut off the flow of combustible gas in the pipeline after the time is up;
domestic natural gas automatic cutout device, wherein, the pipeline is the T venturi tube.
The beneficial effects of the utility model reside in that: this domestic natural gas automatic cutout device detects whether the concentration of the inside combustible gas of pipeline changes through first gas detector, whether second gas detector detects the pipeline outside has combustible gas, when first gas detector all detected combustible gas with second gas detector, controller control solenoid valve cuts off the combustible gas passageway, thereby prevent combustible gas and leak, this automatic cutout device can in time and detect whether combustible gas reveals fast, and the very first time cuts off the combustible gas passageway in the pipeline, can effectively avoid the incident because of combustible gas body leaks and causes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
fig. 1 is a schematic structural diagram of a household natural gas automatic cutting device according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made clearly and completely in conjunction with the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The automatic household natural gas cutoff device according to the preferred embodiment of the present invention, as shown in fig. 1, includes a solenoid valve 101 fixedly installed on a pipeline 100, and a controller 102 for controlling the solenoid valve 101 to open or cut off a combustible gas passage in the pipeline 100; one end of the controller 102 is provided with a first gas detector 103 for detecting whether the concentration of the combustible gas in the pipeline 100 changes, and the other end is provided with a second gas detector 104 for detecting whether the combustible gas exists outside the pipeline 100; when the first gas detector 103 and the second gas detector 104 both detect the combustible gas, the controller 102 controls the electromagnetic valve 101 to cut off the combustible gas passage.
It is worth to say that the combustible gas may be natural gas, liquefied gas, coal gas, or other combustible gas.
Specifically, this first gas detector and second gas detector can be catalytic combustion formula sensor, have that output signal is linear good, the index is reliable, the low price, do not have characteristics such as cross interference with other non-combustible gases, and this first gas detector and second gas detector still can be for being arranged in detecting gaseous other detectors among the prior art, the above is the utility model discloses a protection scope.
It is worth mentioning that the first gas detector can detect the gas flow in the pipeline from time to time and send a gas signal to the controller; when the second gas detector detects that the pipeline has gas outside, the gas detector sends a gas signal to the controller.
This domestic natural gas automatic cutout device detects whether the inside combustible gas's of pipeline concentration changes through first gas detector, whether second gas detector detects the pipeline outside and has combustible gas, when first gas detector all detected combustible gas with the second gas detector, controller control solenoid valve cuts off the combustible gas passageway, thereby prevent combustible gas and leak, this automatic cutout device can in time and detect combustible gas fast and whether reveal, and the very first time cuts off the combustible gas passageway in the pipeline, can effectively avoid the incident because of combustible gas body leaks and causes.
Specifically, the duct 100 includes a pipe main body 1001 through which a combustible gas flows, and a connection branch pipe 1002 that is connected to the pipe main body 1001 in a penetrating manner; the controller 102 is fixedly provided with a fixing part 107 matched with the connecting branch pipe 1002; the fixing part 107 is tightly installed in the connecting branch pipe 1002; the first gas detector 103 is fixedly arranged at one end of the fixing part 107 far away from the controller 102; at least one part of the first gas detector 103 is arranged in the pipe fitting main body 1001, and the gas detector is simple in structure and small in size.
Preferably, this pipeline is the T venturi tube, and the end of giving vent to anger of its pipe fitting main part closely through connection with the air inlet of solenoid valve, and the air inlet end of pipe fitting main part closely through connection with the gas outlet of gas bottle, connecting branch is perpendicular with the pipe fitting main part, detects sensitively.
Specifically, the controller 102 and the solenoid valve 101 are sequentially fixed on the pipeline 100 in the flow direction of the combustible gas; in another embodiment, the positions of the solenoid valve and the controller can be interchanged back and forth, which all belong to the protection scope of the present invention.
Specifically, the inner wall of the connecting branch 1002 at the end far from the pipe fitting main body 1001 is provided with a sealing ring (not shown) for the fixing portion 107 to pass through, and the inner wall of the end near the pipe fitting main body 1001 is provided with an internal thread (not shown); the outer surface of the fixing portion 107 is provided with a male screw 1071 engaged with a female screw (not shown); when the assembly is in place, one end of the fixing part 107 is fixedly connected with the connecting branch pipe 1002 through threads, and the other end of the fixing part is tightly connected with the connecting branch pipe 1002 through a sealing ring (not shown); the one end and the connecting branch pipe threaded connection of fixed part, easy dismounting, the other end of fixed part passes through the sealing washer and is connected with connecting branch pipe, and the gas tightness is good, can prevent that combustible gas from revealing from connecting branch pipe.
Specifically, the controller 102 is electrically connected with an alarm 105 for reminding a user of the occurrence of leakage of combustible gas, the alarm may be an audible and visual alarm, which is a prior art, and the controller 102 is electrically connected with a timer 106; the timer 106 is used to set time and generate countdown information, and the controller 102 controls the solenoid valve 101 to shut off the flow of the combustible gas through the pipeline 100 when the time is reached.
Specifically, the set time period of the timer is 20-30 minutes.
If the first gas detector has a gas signal and the second gas detector does not have a gas signal, the controller judges that the gas is in a working use state, and after a user opens an opening button on the controller, a relay in the controller controls an electromagnetic valve to be opened, so that the gas normally circulates;
after the gas is switched on, if the first gas detector has a gas signal and the second gas detector does not have a gas signal, the first gas detector judges that the concentration of the gas in the pipeline is unchanged, the gas does not circulate, a user does not use the gas, and the controller controls the electromagnetic valve to automatically cut off the circulation of the combustible gas in the pipeline after the set time is up, so that the gas is automatically closed;
after the gas is switched on, if the first gas detector has a gas signal and the second gas detector has a gas signal, the alarm starts to give an alarm to remind a user of gas leakage, and meanwhile, the controller controls the electromagnetic valve to automatically cut off the flow of combustible gas in the pipeline, so that the gas is automatically closed;
when the electromagnetic valve is in a closed state, the second gas detector has a gas signal, and then the alarm starts to give an alarm to remind a user to check whether the gas pipeline has leakage.
The utility model discloses a solenoid valve and controller are mutually supported, can the automatic cutout air supply, have avoided because the emergence that human error or equipment age and lead to the gas fire disaster, safe and reliable.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (7)
1. The automatic household natural gas cutting device is characterized by comprising an electromagnetic valve fixedly arranged on a pipeline and a controller for controlling the electromagnetic valve to open or cut off a combustible gas channel in the pipeline; one end of the controller is provided with a first gas detector for detecting whether the concentration of the combustible gas in the pipeline changes, and the other end of the controller is provided with a second gas detector for detecting whether the combustible gas exists outside the pipeline; when the first gas detector and the second gas detector detect combustible gas, the controller controls the electromagnetic valve to cut off the combustible gas channel.
2. The automatic household natural gas shutoff device according to claim 1, wherein the pipe includes a pipe body through which the combustible gas flows, and a connection branch pipe connected through the pipe body; the controller is fixedly provided with a fixing part matched with the connecting branch pipe; the fixed part is tightly arranged in the connecting branch pipe; the first gas detector is fixedly arranged at one end of the fixed part, which is far away from the controller; at least a portion of the first gas detector is disposed within the tube body.
3. The automatic natural gas shutoff device for home use according to claim 2, wherein the controller and the solenoid valve are fixed to the pipe in sequence in a flow direction of the combustible gas.
4. The automatic household natural gas shutoff device according to claim 3, wherein the connecting branch pipe is provided with a sealing ring for the fixing part to pass through on the inner wall of one end far away from the pipe fitting main body, and is provided with an internal thread on the inner wall of one end close to the pipe fitting main body; the outer surface of the fixing part is provided with an external thread matched with the internal thread; when the assembly is in place, one end of the fixing part is fixedly connected with the connecting branch pipe through threads, and the other end of the fixing part is tightly connected with the connecting branch pipe through the sealing ring.
5. The automatic household natural gas shutoff device according to any one of claims 2 to 4, wherein an alarm for reminding a user of leakage of the combustible gas is electrically connected to the controller.
6. The automatic household natural gas shutoff device according to claim 5, wherein a timer is electrically connected to the controller; the timer is used for setting time to generate countdown information, and the controller controls the electromagnetic valve to cut off the flow of combustible gas in the pipeline after the time is up.
7. The automatic household natural gas shutoff device according to claim 6, wherein the pipe is a T-shaped pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222349289.0U CN217875366U (en) | 2022-09-02 | 2022-09-02 | Domestic natural gas automatic cutout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222349289.0U CN217875366U (en) | 2022-09-02 | 2022-09-02 | Domestic natural gas automatic cutout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217875366U true CN217875366U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222349289.0U Active CN217875366U (en) | 2022-09-02 | 2022-09-02 | Domestic natural gas automatic cutout device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217875366U (en) |
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2022
- 2022-09-02 CN CN202222349289.0U patent/CN217875366U/en active Active
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