CN219590268U - Gas detector - Google Patents

Abstract

The utility model relates to a gas detector, which comprises a shell, a circuit board, two detection pieces, a first sensor and a second sensor, wherein: the shell is provided with a mounting cavity, the circuit board is arranged in the mounting cavity, and the two detection pieces are arranged on the outer wall of the shell; the first sensor and the second sensor are respectively detachably arranged on the two detection pieces and are electrically connected with the circuit board. When the first sensor or the second sensor detects the gas, the detected signal can be fed back to the circuit board, so that the circuit board can perform relevant processing. The user can select two kinds of sensors according to the actual application scene so as to realize that two kinds of gases are detected simultaneously through one device. And first sensor and second sensor all can dismantle with the detection piece and be connected, when the sensor damages or when the service scenario that needs the gas detector of changing, only need change the sensor can to can enlarge the application scope of this gas detector, and the cost that can also reduce.

Description

Gas detector

Technical Field

The utility model relates to the technical field of detectors, in particular to a gas detector.

Background

Gas detectors are typically installed inside buildings to detect the presence or absence of a leak in the combustible gas.

In existing gas detectors, one device is usually capable of detecting only one gas, and the kind of detected gas is fixed. When it is required to detect different kinds of gases or to detect a plurality of gases simultaneously, it is required to install a plurality of gas detectors. The gas detector can not meet different requirements, and the use limit is large.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a gas detector that can select two kinds of detectors as needed, expand the application range, and meet different demands.

The present utility model provides a gas detector comprising: a housing having a mounting cavity; the circuit board is arranged in the mounting cavity; the two detection pieces are arranged on the outer wall of the shell; and the first sensor and the second sensor are respectively and detachably arranged on the two detection pieces and are electrically connected with the circuit board.

Among the above-mentioned gas detector, the outer wall of shell is provided with two detection pieces, and two detection pieces are used for installing first sensor and second sensor respectively, and the user can select two kinds of sensors according to actual application scene to realize detecting two kinds of gases simultaneously through an equipment. And first sensor and second sensor all can dismantle with the detection piece and be connected, when the sensor damages or when the service scenario that needs the gas detector of changing, only need change the sensor can to can enlarge the application scope of this gas detector, and the cost that can also reduce.

In one embodiment, each of the detecting members is provided with a cavity communicated with the mounting cavity, and the first sensor and the second sensor are detachably arranged in the two cavities respectively.

So set up, the appearance chamber can protect first sensor and second sensor, avoids first sensor and second sensor to receive the impact and damage.

In one embodiment, each of the detecting members includes a housing disposed on an outer wall of the housing and a cover detachably connected to the housing, and the housing and the cover enclose to form the cavity.

So set up, the casing can be convenient for user's dismouting or change first sensor and second sensor with lid detachable connection, improves dismouting efficiency.

In one embodiment, the cover is detachably connected with the housing through threads.

So set up, threaded connection makes the user can easily install or dismantle the lid, can also guarantee simultaneously that the stability and the reliability of being connected between lid and the casing.

In one embodiment, the housing is provided with an opening, and the gas detector further comprises a display assembly disposed within the mounting cavity and facing the opening, the display assembly being electrically connected to the circuit board.

The display component can display information fed back by the first sensor and the second sensor, so that a user can observe the condition or abnormality of the environment in time.

In one embodiment, the gas detector further comprises a window assembly covering the opening.

So set up, window subassembly is used for protecting display module and other components in the installation cavity, avoids display module to receive the impact and damage.

In one embodiment, the gas detector further comprises a first seal disposed between the window assembly and the housing; and/or, the gas detector further comprises a buffer piece arranged between the window component and the display component.

The first sealing piece can ensure the tightness of the installation cavity, and prevent external water vapor or dust from entering the installation cavity through the opening to influence the normal use of elements in the installation cavity; the buffer piece can protect the display assembly and prevent the display assembly from being damaged due to impact; meanwhile, the buffer piece can also ensure the tightness of the installation cavity, and prevent external water vapor or dust from entering the installation cavity through the opening to influence the normal use of elements in the installation cavity.

In one embodiment, the gas detector further comprises a power source disposed within the mounting cavity and electrically connected to the circuit board.

So set up, the power can be to the component power supply such as circuit board, first sensor and second sensor, even gas detector does not connect with external power source, also can normally operate under the effect of power.

In one embodiment, the housing is further provided with a junction port communicating the outside with the installation cavity, and the gas detector further comprises a plugging assembly detachably covering the junction port.

So arranged, the gas detector can be electrically connected with an external power supply through a wiring port; when external power supply is not needed, the sealing assembly can ensure the tightness of the installation cavity, and external water vapor or dust is prevented from entering the installation cavity through the wiring port to influence normal use of elements in the installation cavity.

In one embodiment, the first sensor and the second sensor are configured as any two of a gas detector, a carbon monoxide detector, a methane detector, a humidity sensor, and a temperature sensor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic perspective view of a gas detector according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a gas detector according to the present utility model in a front view;

fig. 3 is a schematic diagram of an explosion structure of the gas detector provided by the utility model.

Reference numerals: 1. a housing; 11. a mounting cavity; 12. an opening; 13. a wiring port; 14. a base; 15. a cover body; 16. a mounting part; 2. a circuit board; 3. a probe; 31. a cavity; 32. a housing; 33. a cover body; 34. explosion-proof sheets; 41. a first sensor; 42. a second sensor; 5. a display assembly; 6. a window assembly; 61. explosion-proof glass; 62. an acrylic member; 71. a first seal; 72. a buffer member; 8. a power supply; 9. a plugging assembly; 91. a cover; 92. and a second seal.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present utility model for the purpose of illustration only and do not represent the only embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

Unless defined otherwise, all technical and scientific terms used in the specification of the present utility model have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in the description of the present utility model includes any and all combinations of one or more of the associated listed items.

Gas detectors are typically installed inside buildings to detect the presence or absence of a leak in the combustible gas. In the existing gas detector, one device is generally capable of detecting only one gas, for example, detecting gas such as fuel gas, carbon monoxide or methane, and the kind of the detected gas is fixed. When it is required to detect different kinds of gases or to detect a plurality of gases simultaneously, it is required to install a plurality of gas detectors. The gas detector can not meet different requirements, and the use limit is large.

In order to solve the above problems, as shown in fig. 1 to 3, the present utility model provides a gas detector, which can select two kinds of sensors according to needs, and is convenient to disassemble and assemble or replace the sensors, and can expand the application range and meet different needs.

As shown in fig. 1 to 3, specifically, the gas detector includes a housing 1, a circuit board 2, two detecting pieces 3, a first sensor 41, and a second sensor 42, wherein: the shell 1 is provided with a mounting cavity 11, the circuit board 2 is arranged in the mounting cavity 11, and the two detection pieces 3 are arranged on the outer wall of the shell 1; the first sensor 41 and the second sensor 42 are detachably disposed on the two detecting members 3, and are electrically connected to the circuit board 2. When the first sensor 41 or the second sensor 42 detects the gas, the detected signal can be fed back to the circuit board 2, so that the correlation processing is performed by the circuit board 2.

As described above, in the existing gas detector, one device is generally capable of detecting only one kind of gas, and the kind of detected gas is fixed. The gas detector can not meet different requirements, and the use limit is large. In the gas detector provided by the embodiment of the utility model, the two detecting pieces 3 are arranged on the outer wall of the shell 1, the two detecting pieces 3 are respectively used for installing the first sensor 41 and the second sensor 42, and a user can select the two sensors according to actual application scenes so as to realize that two gases can be detected simultaneously by one device, and different requirements can be met without installing a plurality of devices. And, first sensor 41 and second sensor 42 all can dismantle with detecting member 3 and be connected, the user's dismouting of being convenient for or change the sensor, when the sensor damages or when the service scenario that needs the gas detector of changing, only need change the sensor can to can enlarge the application scope of this gas detector, the different demand orders of mill's production of being convenient for, and the cost that can also reduce.

The first sensor 41 and the second sensor 42 are provided as any two of a gas sensor, a carbon monoxide sensor, a methane sensor, a humidity sensor, and a temperature sensor. For example, the first sensor 41 is provided as a gas detector, and the second sensor 42 is provided as a carbon monoxide detector, so that the gas detector can detect gas and carbon monoxide gas simultaneously; alternatively, the first sensor 41 may be provided as a methane detector and the second sensor 42 as a humidity sensor, so that the gas detector can detect ambient humidity while detecting methane gas. Of course, the first sensor 41 and the second sensor 42 may be any combination of the above-mentioned sensors, or may be a sensor for detecting other kinds of gases, and the present utility model is not limited in this regard.

As shown in fig. 3, in the illustrated embodiment, the housing 1 includes a housing 14 and a cover 15, and the housing 14 is provided with a mounting portion 16 for mounting to an external structure such as a wall or a roof. The cover 15 covers the end of the base 14 away from the mounting portion 16, and the cover 15 and the base 14 enclose a mounting cavity 11. The cover 15 is detachably connected to the base 14 to facilitate the removal or replacement of components within the mounting cavity 11. The two detecting pieces 3 are arranged on the outer peripheral wall of the base body 14 or the cover body 15 and are arranged at intervals along the outer periphery of the shell 1, so that the appearance of the shell 1 is regular. When the gas sensor is mounted to an external structure such as a wall, the two detecting members 3 are preferably disposed downward so that the first sensor 41 and the second sensor 42 detect gas.

Of course, in other embodiments, the housing 1 may be an integral structure, and the two detecting members 3 may be disposed on the outer peripheral wall of the housing 1 or on the end of the housing 1 away from the mounting portion 16, so long as the first sensor 41 and the second sensor 42 mounted on the detecting members 3 can detect normally.

As shown in fig. 3, each detecting element 3 is provided with a cavity 31 communicating with the mounting cavity 11, and the first sensor 41 and the second sensor 42 are detachably disposed in the two cavities 31, respectively. The cavity 31 can protect the first sensor 41 and the second sensor 42 from being damaged by impact in the exposed state of the first sensor 41 and the second sensor 42. The first sensor 41 and the second sensor 42 may extend into the mounting chamber 11 through a structure such as a wire and be electrically connected to the circuit board 2.

As shown in fig. 3, in the illustrated embodiment, each probe 3 includes a housing 32 disposed on an outer wall of the casing 1 and a cover 33 detachably connected to the housing 32, and the housing 32 and the cover 33 enclose a cavity 31. The detachable connection of the housing 32 and the cover 33 can facilitate the disassembly and assembly of the first sensor 41 and the second sensor 42 by a user or the replacement of the first sensor and the second sensor, thereby improving the disassembly and assembly efficiency.

Wherein, the cover 33 and the shell 32 can be detachably connected through threads. The user can easily attach or detach the cover 33 by simply controlling the cover 33 to rotate with respect to the housing 32. Meanwhile, the stability and reliability of the connection between the cover 33 and the housing 32 can be ensured by the screw connection. Of course, the cover 33 and the housing 32 may be detachably connected by other manners, such as a buckle, a socket, etc., which is not particularly limited herein.

In another embodiment, the detecting member 3 may be an integral structure, and the cavity 31 with an assembling port is formed in the detecting member 3, and the first sensor 41 and the second sensor 42 may be installed in the cavity 31 through the assembling port.

As shown in fig. 3, the detecting element 3 further includes a burst disk 34 disposed in the cavity 31 and located at the detecting ends of the first sensor 41 and the second sensor 42, where the burst disk 34 can further protect the first sensor 41 and the second sensor 42 from being damaged due to impact.

As shown in fig. 2 to 3, the housing 1 is provided with an opening 12, and the gas detector further includes a display assembly 5 disposed in the mounting cavity 11 and facing the opening 12, the display assembly 5 being electrically connected to the circuit board 2. After the circuit board 2 receives the signals fed back by the first sensor 41 and the second sensor 42, the display assembly 5 can be controlled to display corresponding information, so that a user can observe the situation or abnormality of the environment in time. In the illustrated embodiment, the opening 12 is provided at an end of the housing 1 remote from the mounting portion 16 to facilitate viewing of the display assembly 5 by a user. Of course, in other embodiments, the opening 12 may be formed at other positions of the housing 1, as long as the user is ensured to be able to observe the display assembly 5.

As shown in fig. 1 and 3, the gas detector further includes a window assembly 6 that covers the opening 12. The window assembly 6 is used for protecting the display assembly 5 and other components in the installation cavity 11 from being damaged by impact of the display assembly 5 in an exposed state.

As shown in fig. 3, in the illustrated embodiment, the window assembly 6 includes an explosion-proof glass 61 and an acryl 62 that are stacked. The explosion-proof glass 61 and the acrylic piece 62 can have double protection effects, and the strength of the window assembly 6 is improved. Meanwhile, the acrylic piece 62 is arranged on one side of the explosion-proof glass 61 close to the display assembly 5, so that the surface of the display assembly 5 is prevented from being damaged due to the breakage of the explosion-proof glass 61. Of course, in other embodiments, the window assembly 6 may be any one or a combination of a plurality of other transparent members such as the explosion-proof glass 61 and the acryl member 62, and the present utility model is not limited thereto.

As shown in fig. 3, the gas detector further comprises a first seal 71 arranged between the window assembly 6 and the housing 1. When the window assembly 6 is mounted on the shell 1, the window assembly 6 can press the first sealing piece 71 on the edge of the opening 12, so that the tightness in the mounting cavity 11 is ensured, and the normal use of other elements in the mounting cavity 11 such as the display assembly 5 and the circuit board 2, which are affected by external water vapor or dust entering the mounting cavity 11 through the opening 12, is avoided. The first sealing member 71 may be a silicone member or a rubber member, so that the sealing effect is good, and the silicone member and the rubber member are cheap and easy to obtain, thereby reducing the cost. Of course, the first seal 71 may be made of other materials such as sealant, and the present utility model is not limited thereto.

As shown in fig. 3, the gas detector further includes a buffer member 72 disposed between the window assembly 6 and the display assembly 5, and the display assembly 5 can compress the buffer member 72 on the window assembly 6, and the buffer member 72 can further protect the display assembly 5 from being damaged due to impact on the display assembly 5. At the same time, the buffer member 72 can further enhance the sealing effect, and prevent external moisture or dust from entering the installation cavity 11 through the opening 12. The buffer member 72 may be a silicone member or a rubber member, and has a certain elasticity. Of course, the buffer member 72 may be made of other elastic materials, which is not particularly limited herein.

As shown in fig. 3, the gas detector further comprises a power supply 8 arranged in the mounting cavity 11 and electrically connected to the circuit board 2. The power supply 8 can supply power to the circuit board 2, the first sensor 41, the second sensor 42, the display assembly 5 and other elements, so that even if the gas detector is not connected with an external power supply, the gas detector can normally operate under the action of the power supply 8, and the application range of the gas detector is further enlarged.

As shown in fig. 1 and 3, the housing 1 is further provided with a wiring port 13 communicating the outside with the mounting cavity 11, and the gas detector further comprises a plugging assembly 9 detachably covering the wiring port 13. When the gas detector needs to be powered by an external power supply, the plugging assembly 9 is disassembled, and a power line connected with the external power supply can extend into the mounting cavity 11 through the wiring port 13 and is electrically connected with the circuit board 2. When external power supply is not needed, the plugging component 9 is covered on the wiring port 13, so that the tightness in the installation cavity 11 is ensured, and the normal use of other elements in the installation cavity 11 such as the display component 5 and the circuit board 2 is prevented from being influenced due to the fact that external water vapor or dust enters the installation cavity 11 through the wiring port 13.

In the illustrated embodiment, the plugging assembly 9 includes a sealing cover 91 and a second sealing member 92 disposed between the sealing cover 91 and the edge of the wire connection opening 13, and the second sealing member 92 may be configured as a silicone member, a rubber member, or other sealing elements to enhance the sealing effect. Of course, in other embodiments, the plugging assembly 9 may be provided as a sealing plug that is in interference fit with the inner wall of the wire connection port 13, so long as the sealing effect can be ensured, and the present utility model is not particularly limited herein.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. A gas detector, comprising:

a housing (1) having a mounting cavity (11);

the circuit board (2) is arranged in the mounting cavity (11);

two detection pieces (3) arranged on the outer wall of the shell (1); the method comprises the steps of,

the first sensor (41) and the second sensor (42) are respectively and detachably arranged on the two detection pieces (3) and are electrically connected with the circuit board (2).

2. A gas detector according to claim 1, wherein each of the detecting elements (3) is provided with a cavity (31) communicating with the mounting cavity (11), and the first sensor (41) and the second sensor (42) are detachably arranged in the two cavities (31), respectively.

3. The gas detector according to claim 2, wherein each detection member (3) comprises a housing (32) arranged on the outer wall of the housing (1) and a cover body (33) detachably connected with the housing (32), and the housing (32) and the cover body (33) enclose the accommodating cavity (31).

4. A gas detector according to claim 3, characterized in that the cover (33) is detachably connected to the housing (32) by means of a screw thread.

5. A gas detector according to claim 1, characterized in that the housing (1) is provided with an opening (12), the gas detector further comprising a display assembly (5) arranged in the mounting cavity (11) and facing the opening (12), the display assembly (5) being electrically connected to the circuit board (2).

6. A gas detector according to claim 5, characterized in that the gas detector further comprises a window assembly (6) covering the opening (12).

7. The gas detector according to claim 6, further comprising a first seal (71) arranged between the window assembly (6) and the housing (1); and/or the number of the groups of groups,

the gas detector further comprises a buffer (72) arranged between the window assembly (6) and the display assembly (5).

8. A gas detector according to claim 1, characterized in that the gas detector further comprises a power supply (8) arranged in the mounting cavity (11) and electrically connected to the circuit board (2).

9. A gas detector according to claim 1, characterized in that the housing (1) is further provided with a connection opening (13) communicating the outside with the mounting cavity (11), the gas detector further comprising a plugging assembly (9) detachably covering the connection opening (13).

10. The gas detector according to any one of claims 1-9, wherein the first sensor (41) and the second sensor (42) are provided as any two of a gas detector, a carbon monoxide detector, a methane detector, a humidity sensor and a temperature sensor.