CN218676212U

CN218676212U - Alarm device

Info

Publication number: CN218676212U
Application number: CN202221292100.2U
Authority: CN
Inventors: 焦小丹; 焦一平
Original assignee: Hainan Puran Software Technology Co ltd
Current assignee: Hainan Puran Software Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-03-21
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses an alarm, include: a housing; the buzzer is detachably connected with the shell; the gas cutting-off control assembly is arranged in the shell and comprises a control panel and a wireless communication module, and the control panel is electrically connected with the wireless communication module and the buzzer respectively; the explosion-proof probe is detachably connected with the shell through an explosion-proof connecting part and is electrically connected with the control panel. The shell of the utility model can meet the explosion-proof requirement without explosion-proof treatment, thereby effectively reducing the purchase cost of users; the wireless communication module is used for driving the existing wireless gas cutting device, so that the gas cutting device is not connected with the wireless communication module driver through a physical line, the cost of explosion-proof treatment on the line is saved, a plurality of wireless gas cutting devices can be driven simultaneously, an alarm is not required to be configured for each gas cutting device, and the purchase cost of a user is further reduced; the calibration detection is not needed every year, and the use cost of the user is reduced.

Description

Alarm device

Technical Field

The utility model relates to a gas leakage alarm technical field, concretely relates to alarm.

Background

With the rapid development of city gas, natural gas industry and chemical industry, the kinds and application range of flammable and explosive gases are increasing, and once the flammable and explosive gases are leaked in the production and use processes, serious accidents such as poisoning, fire hazard, explosion and the like can be caused. While the degree of attention paid to safety production and the technical means of production are increasing, combustible gas detection alarms are being widely used in these fields. The combustible gas detection alarm is an alarm device for preventing combustible and explosive gas from leaking in the production and use processes. In order to prevent the accidents, a combustible gas detection alarm is very necessary, so that the accident potential can be found in time, and remedial measures can be taken as soon as possible.

In order to protect the safety of lives and properties of people, the gas leakage alarm and the gas source cut-off device must be installed in hotels, restaurants, enterprises and institutions when gas is used from the beginning of 2022 years of government agencies and committees. The existing gas alarm is divided into two types, one type is a civil alarm, the other type is an industrial explosion-proof alarm, although the purchasing cost and the use cost of the civil alarm are low, the civil alarm is not subjected to explosion-proof treatment, is arranged between gas cylinders and does not meet the explosion-proof requirement.

If the industrial explosion-proof leakage alarm is installed, the price of each alarm is 500-800 yuan, a host needs to be configured, the price is about 1000 yuan, the purchase cost of the industrial explosion-proof alarm is high, in addition, the industrial explosion-proof alarm needs to be checked once every year, the checking cost is 400-500 yuan, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an alarm which can meet the explosion-proof requirement and effectively reduce the purchasing cost and the use cost of a user.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

an alarm, comprising:

a housing;

the buzzer is detachably connected with the shell;

the gas cutting-off control assembly is arranged in the shell and comprises a control panel and a wireless communication module, and the control panel is electrically connected with the wireless communication module and the buzzer respectively;

the explosion-proof probe is detachably connected with the shell through an explosion-proof connecting part, and the explosion-proof probe is electrically connected with the control panel.

As the utility model discloses preferred embodiment, explosion-proof probe is including offering the explosion-proof shell and the sensor of inlet port, the sensor is located in the explosion-proof shell, the sensor with control panel electric connection.

As a preferred embodiment of the present invention, the explosion proof housing is made of 316L stainless steel.

In a preferred embodiment of the present invention, the sensor is any one of a semiconductor-type gas sensor, a catalytic combustion-type sensor, and an electrochemical gas sensor.

As the preferred embodiment of the utility model, the explosion-proof connecting part is a 316L stainless steel pipe or an aluminum plastic pipe.

As the utility model discloses preferred embodiment, through threaded connection between explosion-proof probe, explosion-proof connecting portion and the shell.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) The shell is arranged in a safe area without the gas cylinder by the explosion-proof connecting part, so that the shell can meet the explosion-proof requirement without explosion-proof treatment, and the purchase cost of a user is effectively reduced;

(2) Utilize wireless communication module drive current wireless gaseous cutting device for do not need the entity line to be connected between gaseous cutting device and the communication module drive, saved and done explosion-proof processing's cost to this part entity line, can drive a plurality of wireless gaseous cutting device simultaneously through wireless communication module in addition, need not to every gaseous cutting device, the configuration alarm, thereby further reduce user's purchase cost.

(3) The utility model discloses do not belong to the category of industry explosion-proof alarm, consequently do not need to mark every year and detect, reduced user's use cost.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1-is the structural schematic diagram of an alarm device according to an embodiment of the present invention.

The reference numbers illustrate: 1. a housing; 2. a buzzer; 3. an explosion-proof housing; 4. an explosion-proof connection; 5. and (4) air inlet holes.

Detailed Description

The following description will describe several embodiments of the present invention, including the embodiments corresponding to the accompanying drawings, it being understood that the drawings are for assisting understanding of the technical features and aspects of the present invention, and should not be interpreted as limiting the scope of the present invention.

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specifically limited, when a feature is referred to as being "fixed," "connected," or "mounted" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature, and the terms "fixed," "connected," or "mounted" are used broadly, those skilled in the art can reasonably determine the specific meaning of the above-mentioned terms in the present disclosure in combination with the details of the technical solutions.

It should be noted that the description of the directions or positional relationships indicated by the upper, lower, left, right, top, bottom, front, back, inner, outer, etc. used in the present invention is the directions or positional relationships based on the drawings or the embodiments, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

It should be noted that, as used herein, the term "and/or" includes any combination of one or more of the associated listed items, a plurality of which means one or more, a plurality of which means two or more, greater than, less than, more than, etc. are understood to exclude the present numbers, and greater than, less than, etc. are understood to include the present numbers.

It should be noted that the description of the first and second embodiments of the present invention is only for the purpose of distinguishing technical features, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

It is to be understood that, unless otherwise specifically defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The utility model provides an alarm, include: the gas cutting device comprises a shell 1, a buzzer 2, a gas cutting control assembly and an explosion-proof probe. The buzzer 2 is detachably connected with the shell 1, the gas cut-off control assembly is arranged in the shell and comprises a control panel and a wireless communication module, and the control panel is electrically connected with the wireless communication module and the buzzer 2 respectively; explosion-proof probe can be dismantled with shell 1 through explosion-proof connecting portion 4 and be connected, adopts explosion-proof probe, even the probe is installed and also can satisfy explosion-proof requirement in the region of placing the gas cylinder, adopts explosion-proof connecting portion 4 to connect and can further satisfy explosion-proof requirement. The explosion-proof probe is electrically connected with the control panel; the wireless communication module is used for being in wireless connection with an existing wireless gas cutting device, and the wireless gas cutting device cuts off gas under the driving of the wireless communication module. Utilize wireless communication module drive current wireless gaseous cutting device for do not need the entity line connection between gaseous cutting device and the communication module drive, saved and done explosion-proof processing's cost to this part entity line, can drive a plurality of wireless gaseous cutting device simultaneously through wireless communication module in addition, need not to every gaseous cutting device, the configuration alarm, thereby further reduce user's the cost of purchasing the dress.

The utility model discloses when using, explosion-proof probe is installed in the room of placing the gas cylinder, and wireless gaseous cutting device is installed in gas transmission pipeline department, and shell 1 is connected with explosion-proof probe through explosion-proof connecting portion 4, and explosion-proof connecting portion 4 extends to other room to set up shell 1 in the region of not placing the gas cylinder, reach explosion-proof requirement. After the gas cylinder leaks, the explosion-proof probe detects that gas concentration is too high, triggers the control panel and outputs relevant control signal for bee calling organ 2 and wireless communication module for bee calling organ 2 sends out the police dispatch newspaper, and wireless communication module drive wireless gas cutting device closes the gas transmission pipeline simultaneously, accomplishes gas and cuts off. Because the gas cylinder is not located to shell 1 and is placed the district, consequently shell 1 need not to pass through explosion-proof treatment, has reduced user's purchase cost effectively, in addition the utility model discloses do not belong to industrial explosion-proof alarm, do not need to mark every year and detect, reduced user's use cost.

The wireless gas shut-off device may be a wireless robot or a wireless solenoid valve. When the wireless manipulator is used, the valve handle of the gas transmission pipeline is clamped by the wireless manipulator, and when gas leakage occurs, the wireless manipulator receives a driving signal sent by the wireless communication module, and then a motor in the wireless manipulator rotates to drive the valve handle to complete gas cut-off. When the wireless electromagnetic valve is used, the wireless electromagnetic valve is arranged on the gas transmission pipeline and is communicated with the gas transmission pipeline, and after the wireless electromagnetic valve receives a driving signal sent by the wireless communication module, the wireless electromagnetic valve generates electromagnetic force to attract the iron core to plug the gas transmission pipeline, so that the gas transmission pipeline is closed, and gas is cut off.

Preferably, the explosion-proof probe comprises an explosion-proof shell 3 provided with an air inlet 5, a sensor is arranged in the explosion-proof shell 3, and the sensor is electrically connected with the control panel. When air leakage occurs, air enters the interior of the explosion-proof probe from the air inlet 5, when the air concentration reaches a certain degree, the sensor sends an output trigger signal to the control panel, and the control panel sends a related control signal, so that an alarm is given and air is cut off.

Preferably, the explosion-proof housing 3 is made of 316L stainless steel, and the 316L stainless steel can meet the explosion-proof requirement, has good heat resistance and corrosion resistance, and can effectively prolong the service life of the explosion-proof probe.

Further preferably, the sensor is any one of a semiconductor-type gas sensor, a catalytic combustion-type sensor, and an electrochemical gas sensor. A semiconductor gas sensor detects a gas by utilizing a change in physical properties such as electrical conductivity occurring when the gas to be detected comes into contact with a semiconductor surface. The catalytic combustion type gas sensor utilizes the heat effect principle of catalytic combustion, and is characterized by that it utilizes the detection element and compensation element to form a measuring bridge pair, under the condition of a certain temp., the combustible gas can be flameless combusted on the surface of carrier of detection element and under the action of catalyst, the temperature of carrier can be raised, and the platinum wire resistance in its interior can be correspondingly raised so as to make the balance bridge lose balance, and can output an electric signal which is directly proportional to the concentration of combustible gas to detect gas. An electrochemical gas sensor is a detector that measures current by oxidizing or reducing a gas to be measured at an electrode to obtain the concentration of the gas to be measured. The sensor can accurately detect the gas concentration.

Preferably, the explosion-proof connection 4 is a 316L stainless steel pipe or an aluminum plastic pipe. The explosion-proof connecting part 4 adopts a 316L stainless steel pipe, so that the explosion-proof requirement can be met, the service life of the explosion-proof connecting part 4 is effectively prolonged, the explosion-proof requirement is met by adopting an aluminum plastic pipe, and the cost is effectively reduced.

Preferably, the explosion-proof probe, the explosion-proof connecting part 4 and the housing 1 are connected through threads, and the connection through the threads has the advantage that quick assembly and disassembly can be realized when parts need to be replaced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An alarm, comprising:

a housing;

the buzzer is detachably connected with the shell;

the explosion-proof probe is detachably connected with the shell through an explosion-proof connecting part and is electrically connected with the control panel;

the explosion-proof probe comprises an explosion-proof shell provided with an air inlet and a sensor, the sensor is arranged in the explosion-proof shell, and the sensor is electrically connected with the control panel.

2. An alarm unit according to claim 1 wherein the explosion proof housing is made from 316L stainless steel.

3. The alarm of claim 1, wherein the sensor is any one of a semiconductor-type gas sensor, a catalytic combustion-type sensor, and an electrochemical gas sensor.

4. An alarm unit according to any one of claims 1 to 3 wherein the explosion proof connection is a 316L stainless steel or aluminium-plastics pipe.

5. An alarm unit according to any of claims 1 to 3 wherein the bursting-preventing probe, bursting-preventing connection and casing are connected by screw thread.