Gas detection alarm device for stoichiometry

Abstract

The utility model relates to a detection alarm device, in particular to a gas detection alarm device for stoichiometry, which comprises a main body mechanism, a detection mechanism, a control mechanism and an alarm mechanism, the detection mechanism is positioned at the top end of the main body mechanism, the control mechanism is positioned inside the main body mechanism, and the alarm mechanism is positioned on one side of the main body mechanism. The concentration of combustible gas is detected through the semiconductor gas sensitive element, the resistance changes when the semiconductor gas sensitive element is in contact with the combustible gas, certain voltage is transmitted to the two ends of the semiconductor gas sensitive element through the first conductor wire and the second conductor wire, and whether the combustible gas exceeds a threshold value or not is judged according to the change of the resistance. When a threshold value is exceeded, the control circuit board sends out a signal, the alarm lamp flickers strong light, the alarm horn gives out buzzing alarm, the Bluetooth module can be connected with a smart home to enable the valve to be automatically closed, and information can be sent to mobile equipment such as a mobile phone, a watch and the like of a user, so that residents are reminded to take corresponding safety measures in time.

Description

Technical Field

[0001] The utility model relates to a detection alarm device, in particular to a gas detection alarm device for chemical measurement. Background Art

[0002] The metering gas detection alarm device is a common safety device that is widely used in homes, laboratories and industrial environments: it is used to detect and warn of gas leaks and sound an alarm. The metering gas detection alarm device usually consists of the following parts: sensors, control circuits and alarm devices. Among them, the sensor is the core component responsible for detecting the gas concentration. Common gas sensors include combustible gas sensors and carbon monoxide sensors. In short, the metering gas detection alarm device uses sensitive sensors and precise control circuits to achieve timely monitoring and alarm of gas leaks. It plays an important role in safety protection in homes and industrial environments, and can effectively prevent the occurrence of gas accidents, for example, and reduce casualties and property losses. Therefore, it is very necessary to install indoor gas detection alarm devices in residents' homes and public places, and it is also a reflection of our residents' safety awareness.

[0003] As disclosed in the authorization announcement number CN215261942U, a gas detection alarm device for chemical metering is disclosed, including a gas detection support base mechanism, a metering gas storage tank body mechanism is fixedly installed inside the gas detection support base mechanism, a gas sensor is fixedly installed on the top outer wall of the metering gas storage tank body mechanism, a protective cover mechanism is fixedly installed in the middle of the top outer wall of the metering gas storage tank body mechanism, the gas sensor is located inside the protective cover mechanism, an exhaust valve is fixedly installed on the middle outer wall of the exhaust pipe, and the exhaust pipe runs through the gas detection support base mechanism and the metering gas storage tank body mechanism and extends to the inside of the gas detection support base mechanism. The gas detection alarm device for chemical metering described in the utility model, through the pressure sensor set, when the internal pressure of the gas storage tank body is detected, it prevents the internal pressure value from being too large, causing equipment damage and gas leakage, reducing safety hazards, and bringing better use prospects. However, during use, the equipment volume is too large and the detection effect is poor. For this reason, we propose a gas detection alarm device for chemical metering to solve the problem of traditional equipment being too large and having poor detection effect. Utility Model Content

[0004] The purpose of the utility model is to provide a gas detection alarm device for chemical measurement to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A gas detection and alarm device for chemical metrology comprises a main body mechanism, a detection mechanism, a control mechanism, and an alarm mechanism. The detection mechanism is located at the top of the main body mechanism, the control mechanism is located inside the main body mechanism, and the alarm mechanism is located at one side of the main body mechanism. The main body mechanism comprises a detection and alarm device body and a nano-connection pad. The detection and alarm device body is fixedly mounted on one side of the nano-connection pad, and the nano-connection pad is fixedly mounted on one side of the detection and alarm device body.

[0007] Preferably, the detection mechanism includes a signal receiving module, a semiconductor gas sensor, a top fixing block, an insulating protection head, a first conductive wire, a second conductive wire, an internal transformer, a conductive column, and an outer insulating layer. The signal receiving module is fixedly installed inside the detection alarm device body, the semiconductor gas sensor is fixedly installed on the top of the signal receiving module, the top fixing block is fixedly installed on the top of the detection alarm device body, the insulating protection head is fixedly installed on the semiconductor gas sensor and the top of the conductive column, the first conductive wire is fixedly installed on the top of the semiconductor gas sensor, and the second conductive wire is fixedly installed on the bottom of the semiconductor gas sensor.

[0008] Preferably, the control mechanism includes a No. 5 battery, a battery compartment, and a control circuit board, the No. 5 battery is fixedly installed inside the battery compartment, the battery compartment is fixedly installed inside the detection and alarm device body, and the control circuit board is fixedly installed inside the detection and alarm device body.

[0009] Preferably, the alarm mechanism includes an alarm light base, an alarm light, a sound unit, an alarm horn, a dustproof protection fence, a Bluetooth module, and a signal antenna. The alarm light base is fixedly installed inside the detection alarm device body, the alarm light is fixedly installed on one side of the alarm light base, and the sound unit is fixedly installed inside the detection alarm device body.

[0010] Preferably, the internal transformer is fixedly mounted on one side of the conductive column, the conductive column is fixedly mounted on one side of the internal transformer, and the outer insulating layer is fixedly mounted on one side of the conductive column.

[0011] Preferably, the alarm speaker is fixedly installed on one side of the sounding unit, the dustproof protection fence is fixedly installed on one side of the detection alarm device body, the Bluetooth module is fixedly installed inside the detection alarm device body, and the signal antenna is fixedly installed on one side of the Bluetooth module.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A gas detection alarm device for chemical measurement detects the concentration of combustible gas through a semiconductor gas sensor. When the semiconductor gas sensor comes into contact with the combustible gas, the resistance changes. A certain voltage is transmitted across the two ends of the semiconductor gas sensor through a first conductive wire and a second conductive wire. The change in resistance determines whether the gas exceeds a safety threshold.

[0014] 2. This is a gas detection alarm device for chemical measurement. When the safety threshold is exceeded, the control circuit board sends a signal, the alarm light flashes strongly, and the alarm speaker emits a buzzer alarm. The Bluetooth module can connect to the smart home to automatically close the valve. The information will also be sent to the user's mobile devices such as mobile phones and watches, so as to promptly remind residents to take corresponding safety measures, such as opening doors and windows for ventilation and closing gas valves. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 It is an enlarged schematic diagram of the A part of the utility model;

[0018] Figure 4 It is an enlarged schematic diagram of point B of the utility model.

[0019] In the figure: 100, detection alarm device body; 101, nano connection pad; 200, signal receiving module; 201, semiconductor gas sensor; 202, top fixing block; 203, insulating protection head; 204, first conductive wire; 205, second conductive wire; 206, internal transformer; 207, conductive column; 208, outer insulating layer; 300, No. 5 battery; 301, battery compartment; 302, control circuit board; 400, alarm light base; 401, alarm light; 402, sound unit; 403, alarm speaker; 404, dust protection fence; 405, Bluetooth module; 406, signal antenna. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A gas detection and alarm device for chemical metrology includes a main body mechanism, a detection mechanism, a control mechanism, and an alarm mechanism. The detection mechanism is located at the top of the main body mechanism, the control mechanism is located inside the main body mechanism, and the alarm mechanism is located at one side of the main body mechanism. The main body mechanism includes a detection and alarm device main body 100 and a nano-connection pad 101. The detection and alarm device main body 100 is fixedly installed on one side of the nano-connection pad 101, and the nano-connection pad 101 is fixedly installed on one side of the detection and alarm device main body 100.

[0023] In this example, preferably, the detection mechanism includes a signal receiving module 200, a semiconductor gas sensor 201, a top fixing block 202, an insulating protection head 203, a first conductive wire 204, a second conductive wire 205, an internal transformer 206, a conductive column 207, and an outer insulating layer 208. The signal receiving module 200 is fixedly installed inside the detection alarm device body 100, the semiconductor gas sensor 201 is fixedly installed on the top of the signal receiving module 200, the top fixing block 202 is fixedly installed on the top of the detection alarm device body 100, the insulating protection head 203 is fixedly installed on the top of the semiconductor gas sensor 201 and the conductive column 207, the first conductive wire 204 is fixedly installed on the top of the semiconductor gas sensor 201, and the second conductive wire 205 is fixedly installed on the bottom of the semiconductor gas sensor 201.

[0024] In this example, preferably, the control mechanism includes a No. 5 battery 300, a battery compartment 301, and a control circuit board 302, wherein the No. 5 battery 300 is fixedly installed inside the battery compartment 301, the battery compartment 301 is fixedly installed inside the detection alarm device body 100, and the control circuit board 302 is fixedly installed inside the detection alarm device body 100.

[0025] In this example, preferably, the alarm mechanism includes an alarm light base 400, an alarm light 401, a sound unit 402, an alarm speaker 403, a dust protection fence 404, a Bluetooth module 405, and a signal antenna 406. The alarm light base 400 is fixedly installed inside the detection alarm device body 100, the alarm light 401 is fixedly installed on one side of the alarm light base 400, and the sound unit 402 is fixedly installed inside the detection alarm device body 100.

[0026] In this example, preferably, the internal transformer 206 is fixedly installed on one side of the conductive column 207 , the conductive column 207 is fixedly installed on one side of the internal transformer 206 , and the outer insulating layer 208 is fixedly installed on one side of the conductive column 207 .

[0027] In this example, preferably, the alarm speaker 403 is fixedly installed on one side of the sound unit 402, the dustproof protection fence 404 is fixedly installed on one side of the detection alarm device body 100, the Bluetooth module 405 is fixedly installed inside the detection alarm device body 100, and the signal antenna 406 is fixedly installed on one side of the Bluetooth module 405.

[0028] When in use, a chemical metrology gas detection alarm device of this embodiment detects the concentration of combustible gas through a semiconductor gas sensor 201. When the semiconductor gas sensor 201 comes into contact with the combustible gas, the resistance changes. A certain voltage is transmitted at both ends of the semiconductor gas sensor 201 through the first conductive line 204 and the second conductive line 205, and it is determined whether the gas exceeds the safety threshold by the change in resistance.

[0029] When the safety threshold is exceeded, the control circuit board 302 sends a signal, the alarm light 401 flashes strongly, and the alarm speaker 403 emits a buzzer alarm. The Bluetooth module 405 can connect to the smart home to automatically close the valve. The information will also be sent to the user's mobile devices such as mobile phones and watches, so as to promptly remind residents to take corresponding safety measures, such as opening doors and windows for ventilation and closing gas valves.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gas detection and alarm device for chemical measurement, comprising a main body mechanism, a detection mechanism, a control mechanism, and an alarm mechanism, characterized in that: The detection mechanism is located at the top of the main body, the control mechanism is located inside the main body, and the alarm mechanism is located at one side of the main body. The main body comprises a detection alarm device body (100) and a nano connection pad (101). The detection alarm device body (100) is fixedly mounted on one side of the nano connection pad (101), and the nano connection pad (101) is fixedly mounted on one side of the detection alarm device body (100). The detection mechanism comprises a signal receiving module (200), a semiconductor gas sensor (201), a top fixing block (202), an insulating protection head (203), a first conductive wire (204), a second conductive wire (205), an internal transformer (206), a conductive column (207), and an outer insulating layer (208); the signal receiving module (200) is fixedly mounted inside a detection alarm device body (100); the semiconductor gas sensor (201) is fixedly mounted on the top of the signal receiving module (200); the top fixing block (202) is fixedly mounted on the top of the detection alarm device body (100); the insulating protection head (203) is fixedly mounted on the top of the semiconductor gas sensor (201) and the conductive column (207); the first conductive wire (204) is fixedly mounted on the top of the semiconductor gas sensor (201); and the second conductive wire (205) is fixedly mounted on the bottom of the semiconductor gas sensor (201).

2. A chemical metering gas detection alarm device according to claim 1, characterized in that: The control mechanism comprises an AA battery (300), a battery compartment (301), and a control circuit board (302); the AA battery (300) is fixedly mounted inside the battery compartment (301); the battery compartment (301) is fixedly mounted inside the detection alarm device body (100); and the control circuit board (302) is fixedly mounted inside the detection alarm device body (100).

3. A chemical metering gas detection alarm device according to claim 1, characterized in that: The alarm mechanism comprises an alarm light base (400), an alarm light (401), a sound generating unit (402), an alarm speaker (403), a dust protection fence (404), a Bluetooth module (405), and a signal antenna (406); the alarm light base (400) is fixedly mounted inside a detection alarm device body (100); the alarm light (401) is fixedly mounted on one side of the alarm light base (400); and the sound generating unit (402) is fixedly mounted inside the detection alarm device body (100).

4. A chemical metering gas detection alarm device according to claim 1, characterized in that: The internal transformer (206) is fixedly mounted on one side of the conductive column (207), the conductive column (207) is fixedly mounted on one side of the internal transformer (206), and the outer insulating layer (208) is fixedly mounted on one side of the conductive column (207).

5. A chemical metering gas detection alarm device according to claim 3, characterized in that: The alarm speaker (403) is fixedly mounted on one side of the sound-generating unit (402), the dust-proof protection fence (404) is fixedly mounted on one side of the detection alarm device body (100), the Bluetooth module (405) is fixedly mounted inside the detection alarm device body (100), and the signal antenna (406) is fixedly mounted on one side of the Bluetooth module (405).

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