CN218885914U - But domestic combustible gas detector of remote communication - Google Patents
But domestic combustible gas detector of remote communication Download PDFInfo
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- CN218885914U CN218885914U CN202220983384.3U CN202220983384U CN218885914U CN 218885914 U CN218885914 U CN 218885914U CN 202220983384 U CN202220983384 U CN 202220983384U CN 218885914 U CN218885914 U CN 218885914U
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Abstract
The utility model provides a but remote communication's domestic combustible gas detector, include: the device comprises a control module, a gas measurement module, a display module and a communication module; the gas measurement module, the display module and the communication module are respectively connected with the control module in a flexible flat cable or socket pin manner; the control module comprises a main control chip, and a power circuit, an output control circuit, a sound circuit, a state indicating circuit, an anti-disassembly detection circuit and a first communication interface circuit which are connected with the main control chip; the output control circuit is connected with an electromagnetic valve for controlling a gas switch. The communication module of the utility model can be conveniently replaced, and the requirement of communication mode upgrading is met; the gas measuring module is replaceable after the service cycle is finished, the accuracy of the detection result is guaranteed, and the gas measuring module is convenient to manually disassemble and replace during maintenance.
Description
Technical Field
The utility model belongs to the technical field of the safety monitoring instrument, concretely relates to but domestic combustible gas detector of remote communication.
Background
The combustible gas body and air or oxygen can explode when meeting a fire source within a certain concentration range, and the combustible gas detector is used as a combustible gas safety detection instrument and widely applied to the field of petrochemical industry and families. Especially in the household environment, because of lack of safety consciousness and professional inspection skills, the hidden danger of serious fire and dangerous explosion exists all the time in the use process of combustible gas such as natural gas or coal gas, even if the household environment is unmanned, the alarm is not effective, the life and property safety of people is threatened, the maintenance and the disassembly are extremely inconvenient, and the inconvenience brought to daily management and maintenance can further cause the hidden danger.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned of prior art, the utility model provides a but remote communication's domestic combustible gas detector to solve above-mentioned technical problem.
The utility model provides a but remote communication's domestic combustible gas detector, a serial communication port, include: the device comprises a control module, a gas measuring module, a display module and a communication module; the gas measurement module, the display module and the communication module are respectively connected with the control module in a flexible flat cable or socket pin manner; the communication module is connected with the remote platform.
The control module comprises a main control chip, and a power circuit, an output control circuit, a sound circuit, a state indication circuit, an anti-disassembly detection circuit and a first communication interface circuit which are connected with the main control chip; the output control circuit is connected with an electromagnetic valve for controlling a gas switch;
the gas measurement module comprises a catalytic heating circuit, an analog quantity acquisition circuit and a gas concentration detection circuit; the catalytic heating circuit comprises an electric heating element and a temperature control circuit, and is used for heating the reaction of the combustible gas and the catalyst, and the temperature control circuit is connected with the electric heating element; the analog quantity acquisition circuit is used for acquiring the temperature change of the electric heating element after the reaction of the combustible gas on the catalyst, and is connected with the gas concentration detection circuit.
Furthermore, the output control circuit comprises a double-pole double-throw relay, one path of the double-pole double-throw relay is connected with the passive normally open interface, and the other path of the double-pole double-throw relay is connected with the active output interface.
Furthermore, prevent tearing open detection circuitry including preventing tearing open the clamp plate and preventing tearing open the button, prevent tearing open one section setting of clamp plate on the main casing body of detector, prevent tearing open the other end of clamp plate with prevent tearing open the key-type connection, prevent tearing open the button setting on the drain pan of detector, prevent tearing open the button with main control chip connects.
Furthermore, the communication module comprises a communication circuit, a transmitting antenna, a driving circuit, a power control circuit and a second communication interface circuit; the second communication interface circuit is connected with the first communication interface circuit; the communication circuit, the transmitting antenna and the driving circuit are connected with the remote platform in a wireless communication mode.
Further, the power supply circuit comprises an adapter and a power supply interface, the power supply interface can adapt to the input range of DC 9V-24V, and the power supply adapter is a standard adapter of DC 12V/1A.
Further, the sound circuit is provided with a fire alarm buzzer and a fault sound buzzer.
Further, the state indicating circuit comprises a working indicator light, an alarm indicator light and a fault indicator light.
Has the beneficial effects that the utility model has the advantages that,
the utility model provides a domestic combustible gas detector capable of remote communication, which uploads to a remote platform through a communication module and responds to the remote platform to issue command control, thereby realizing remote monitoring of the detection condition of the combustible gas detector; the modules are connected in a flexible flat cable or power strip pin manner, so that the communication module can be conveniently replaced to meet different signal requirements, the gas measurement module can be replaced after the use period is finished, the accuracy of a detection result is ensured, and manual disassembly and replacement are convenient during maintenance; and the functions of output control, anti-disassembly detection and the like are realized, the closing of the electromagnetic valve of the gas switch can be automatically controlled, and the combustible gas is prevented from continuously leaking.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a detector according to an embodiment of the present application.
FIG. 2 is a schematic structural diagram of a gas measurement module according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the present embodiment provides a household combustible gas detector capable of telecommunication, comprising: the device comprises a control module, a gas measurement module, a display module and a communication module; the gas measurement module, the display module and the communication module are respectively connected with the control module in a flexible flat cable or socket pin manner; the control module comprises a main control chip, and a power circuit, an output control circuit, a sound circuit, a state indicating circuit, an anti-disassembly detection circuit and a first communication interface circuit which are connected with the main control chip; the output control circuit is connected with an electromagnetic valve for controlling a gas switch;
as shown in fig. 2, the gas measurement module includes a catalytic heating circuit, an analog quantity acquisition circuit, and a gas concentration detection circuit; the catalytic heating circuit comprises an electric heating element and a temperature control circuit, and is used for heating the reaction of the combustible gas and the catalyst, and the temperature control circuit is connected with the electric heating element; the analog quantity acquisition circuit is used for acquiring the temperature change of the electric heating element after the reaction of the combustible gas on the catalyst, and is connected with the gas concentration detection circuit.
In this embodiment, each module is connected with control module through the mode of soft winding displacement or row of inserting contact pin, and the module integration of being convenient for when dispatching from the factory can debug each module alone when the maintenance, finds that certain module has the trouble and can replace this module alone, the maintenance cost that has significantly reduced. For example, the communication module is currently adopted, the MC615 wireless communication module is in a 4G communication mode, and when NB-IOT, lora and other communication modes are needed, the communication mode of the detector can be upgraded by disassembling and replacing the communication module.
In this embodiment, the display module is composed of a liquid crystal display and a display control circuit, and the liquid crystal display can display information such as a clock and a gas concentration value. The communication module can upload information collected and sent by the control module to the remote platform and receive instruction signals of the remote platform and send the instruction signals to the control module.
In one implementation, the output control circuit includes a double-pole double-throw relay, one path of the double-pole double-throw relay is connected to the passive normally open interface, and the other path of the double-pole double-throw relay is connected to the active output interface.
After the detector of the embodiment detects an alarm, the output action is controlled within 5 seconds, the passive output interface is changed from normally open to normally closed, the active output interface is changed from passive output to active output, and one path of passive normally open interface and one path of DC 9-12V active output interface are realized.
In one implementation mode, the anti-dismantling detection circuit comprises an anti-dismantling pressing plate and an anti-dismantling key, one section of the anti-dismantling pressing plate is arranged on the main shell of the detector, the other end of the anti-dismantling pressing plate is connected with the anti-dismantling key, the anti-dismantling key is arranged on the bottom shell of the detector, and the anti-dismantling key is connected with the main control chip. The anti-dismantling detection circuit can detect the separation function of the base and the main shell, and can ensure that the detector cannot be damaged by lawbreakers during use.
In one implementation, the communication module includes a communication module, a transmitting antenna, a driving circuit, a power control circuit, and a second communication interface circuit; the second communication interface circuit is connected with the first communication interface circuit; the communication circuit, the transmitting antenna and the driving circuit are connected with the remote platform in a wireless communication mode.
The communication module can carry out wireless communication with a remote platform, the wireless communication mode is 4G-CAT 1, and the communication module uploads data periodically according to the requirements of users; the communication module has the functions of uploading SIM card numbers, reporting gas concentration values, reporting equipment faults, reporting main power failure, alarming for base disassembly, reporting states of all control output terminals and the like; the gas alarm value in the control module can be adjusted by the remote platform, the adjustment range temporarily 5 to 25% LEL; the communication module can receive and respond to command control issued by a remote platform, such as control of a solenoid valve switch.
In one implementation mode, the power supply circuit comprises an adapter and a power supply interface, the power supply interface can adapt to an input range of DC 9V-24V, and the power supply adapter is a standard adapter of DC 12V/1A.
In this embodiment, the power circuit is powered by an external adapter, the power interface adopts a wide voltage adaptive design, and can adapt to an input range of DC9V to 24V, and the power adapter preferably uses a standard adapter of DC 12V/1A. The power adapter is used for stabilizing the voltage of the power adapter after entering the circuit board through the voltage interface to be internal DC 9-12V and supplying power for driving the electromagnetic valve, and stabilizing the voltage of the power adapter to be internal DC5V/DC3.3V and supplying power for each module, wherein a DC5V or DC3.3V power supply required by the gas measurement module is provided by the main control chip.
In one implementation, the sound circuit has a fire alarm buzzer and a fault sound buzzer.
The sound circuit of the present embodiment has a sound generating function of a fire alarm sound and a malfunction sound, and the sound pressure level at 1 meter ahead thereof is greater than 75dB, and less than 115dB.
In one implementation, the status indication circuit includes a work indicator light, an alarm indicator light, and a fault indicator light.
The state indicating circuit of the embodiment can indicate states of alarm, fault, work and the like, and is provided with four indicating lamps: the working indicator light is green, and the detector is always on after being electrified and normally works; the alarm indicator light is red, is normally not on, and is normally on when giving an alarm; the fault indicator light is yellow and is normally not on, and the fault is normally on.
In one implementation, the key detection circuit includes; the self-checking button is connected with the digital signal sending circuit, and the digital signal sending circuit is connected with the sound circuit and the state indicating circuit.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A remotely communicable domestic combustible gas detector, comprising: the device comprises a control module, a gas measuring module, a display module and a communication module; the gas measurement module, the display module and the communication module are respectively connected with the control module in a flexible flat cable or power strip contact pin mode;
the control module comprises a main control chip, and a power circuit, an output control circuit, a sound circuit, a state indication circuit, an anti-disassembly detection circuit and a first communication interface circuit which are connected with the main control chip; the output control circuit is connected with an electromagnetic valve for controlling a gas switch;
the gas measurement module comprises a catalytic heating circuit, an analog quantity acquisition circuit and a gas concentration detection circuit; the catalytic heating circuit comprises an electric heating element and a temperature control circuit, and is used for heating the reaction of the combustible gas and the catalyst, and the temperature control circuit is connected with the electric heating element; the analog quantity acquisition circuit is used for acquiring the temperature change of the electric heating element after the reaction of the combustible gas on the catalyst, and is connected with the gas concentration detection circuit.
2. The detector of claim 1, wherein the output control circuit comprises a double-pole double-throw relay having one path connected to the passive normally open interface and the other path connected to the active output interface.
3. The detector of claim 1, wherein the tamper detection circuit comprises a tamper pressing plate and a tamper key, one section of the tamper pressing plate is arranged on the main housing of the detector, the other end of the tamper pressing plate is connected with the tamper key, the tamper key is arranged on a bottom housing of the detector, and the tamper key is connected with the main control chip.
4. The detector of claim 1, wherein the communication module comprises a communication module, a transmitting antenna, a driving circuit, a power control circuit, and a second communication interface circuit; the second communication interface circuit is connected with the first communication interface circuit; the communication module, the transmitting antenna and the driving circuit are connected with the remote platform in a wireless communication mode.
5. The detector of claim 1, wherein the power circuit comprises an adapter and a power interface, the power interface can accommodate an input range of DC 9V-24V, and the adapter is a standard adapter of DC 12V/1A.
6. The detector of claim 1, wherein the acoustic circuit has a fire alarm buzzer and a fault sound buzzer.
7. The detector of claim 1, wherein the status indication circuit includes a work indicator light, an alarm indicator light, and a fault indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983384.3U CN218885914U (en) | 2022-04-26 | 2022-04-26 | But domestic combustible gas detector of remote communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983384.3U CN218885914U (en) | 2022-04-26 | 2022-04-26 | But domestic combustible gas detector of remote communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218885914U true CN218885914U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220983384.3U Active CN218885914U (en) | 2022-04-26 | 2022-04-26 | But domestic combustible gas detector of remote communication |
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| Country | Link |
|---|---|
| CN (1) | CN218885914U (en) |
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- 2022-04-26 CN CN202220983384.3U patent/CN218885914U/en active Active
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