Controller for fire extinguisher

Abstract

The controller comprises a controller shell, a control circuit board, a temperature detector and a smoke detector, the controller shell comprises a bottom box and a box cover covering the bottom box, the bottom box and the box cover are both of a metal structure, and the box cover comprises a top wall, a front side wall, a rear side wall, a left side wall and a right side wall. The front end of the left side wall forwards exceeds the front side wall, the rear end of the left side wall backwards exceeds the rear side wall, the front end of the right side wall forwards exceeds the front side wall, the rear end of the right side wall backwards exceeds the rear side wall, the front side wall and the top wall are integrally formed and disconnected with the left side wall and the right side wall, and the rear side wall and the top wall are integrally formed and disconnected with the left side wall and the right side wall. The left side wall and the right side wall are integrally formed with the top wall, and the temperature detector is installed on the front side wall or the left side wall. The controller for the fire extinguisher has the advantages that temperature detection response is timely, misjudgment is not easy to generate, and the problem that misjudgment is easy to generate due to detection of a single detector of an existing controller for the fire extinguisher is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire extinguishing technology field especially to a controller for fire extinguisher. BACKGROUND

[0002] Fire extinguisher is a kind of tool for extinguishing fire. Chemicals are placed in fire extinguisher to extinguish fire. Fire extinguisher is one of common fireproof facilities, is stored in public place or place where fire may occur, and the components filled in different kinds of fire extinguishers are different, is specially designed for different fire causes, and we must pay attention when using, to avoid producing reverse effect and causing life danger. One of the fire extinguishers is hot aerosol fire extinguishing, that is, when fire occurs, the related point active structure ignites the cartridge, and the heat generated by the burning of cartridge makes hot aerosol vaporize and spouts, and the spouted hot aerosol gas covers the fire source and makes the fire source lack oxygen to achieve the purpose of extinguishing fire. The patent document CN201810031343.2, application date January 12, 2018, name "a hand-held fire extinguisher and fire extinguishing method" discloses a kind of existing hot melt adhesive fire extinguisher. In order to automatically control fire extinguisher, the controller for fire extinguisher is designed. The existing controller for fire extinguisher only sets one kind of detector to detect, and misjudgment phenomenon is easy to produce;The response and timeliness of temperature detector detection are low. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of controller for fire extinguisher with temperature detection response and timeliness not easy to produce misjudgment, solve the problem of existing controller for fire extinguisher single detector detection easy to produce misjudgment.

[0004] The above technical problem is solved by the following technical scheme: a controller for fire extinguisher, characterized in that it comprises a controller shell and a control circuit board installed in the controller shell, a temperature detector and a smoke detector are installed on the controller shell and electrically connected with the control circuit board, the controller shell comprises a bottom box and a box cover covering the bottom box, the bottom box and the box cover are metal structures, the box cover comprises a top wall, a front side wall, a rear side wall, a left side wall and a right side wall, the front end of the left side wall extends forward beyond the front side wall, the rear end extends backward beyond the rear side wall, the front end of the right side wall extends forward beyond the front side wall, and the rear end extends backward beyond the rear side wall, the front side wall is integrally formed with the top wall and disconnected with the left side wall and the right side wall, the rear side wall is integrally formed with the top wall and disconnected with the left side wall and the right side wall, and the left side wall and the right side wall are integrally formed with the top wall, and the temperature detector is installed on the front side wall or the left side wall. According to the technical scheme, the box cover can be made of sheet metal, a relatively closed area can be formed near the temperature detector to reduce air circulation, the temperature can be detected in time when a fire occurs, and the response is timely. When one detector responds, an alarm is given to remind of the possible fire, and when both detectors respond, the fire extinguisher sprays fire extinguishing agent to avoid misjudgment.

[0005] Preferably, the upper end of the part of the left side wall extending beyond the front side wall, the upper end of the part of the left side wall extending beyond the rear side wall, the upper end of the part of the right side wall extending beyond the front side wall, and the upper end of the part of the right side wall extending beyond the rear side wall are all provided with chamfers. This facilitates the bending of the front and rear side walls.

[0006] Preferably, the chamfers are round.

[0007] Preferably, a bending guide groove is provided on the upper end of one end of the top wall. This facilitates the bending of the front and rear side walls during production.

[0008] Preferably, the controller shell is provided with heat dissipation holes.

[0009] Preferably, the lower end of the front side wall is provided with a front flange, the front end of the front flange is provided with a front upper flange, the lower end of the rear side wall is provided with a rear flange, and the rear end of the rear flange is provided with a rear upper flange. This has good structural strength and facilitates the bending of the front and rear side walls.

[0010] Preferably, the lower end of the left side wall and the lower end of the right side wall are both bent in a direction away from the bottom box to form a connecting edge, and a plurality of bolt holes are provided on the connecting edge. During use, the installation of the utility model is achieved by fixing the connecting edge at a set position through bolts passing through the bolt holes.

[0011] As preferred, the bolt hole is provided with an elastic washer, the elastic washer comprises an outer connecting piece, an inner connecting piece, a first elastic bending part and a second elastic bending part, the first elastic bending part connects one end of the outer connecting piece and one end of the inner connecting piece together, one end of the second elastic bending part is connected with the other end of the inner connecting piece, the other end of the second elastic bending part is connected with the connecting edge, the inner connecting piece is provided with an inner connecting piece part bolt hole, the outer connecting piece is provided with an outer connecting piece part bolt hole aligned with the inner connecting piece part bolt hole, and the inner connecting piece part bolt hole is aligned with the bolt hole. The bolt is not easy to loosen, and the elastic washer is accurate in position and cannot be displaced.

[0012] As preferred, the outer connecting piece, the inner connecting piece, the first elastic bending part and the second elastic bending part are integrally formed together, and the second elastic bending part is integrally formed with the connecting edge. The installation is convenient and the connection is reliable.

[0013] As preferred, the outer connecting piece is parallel with the connecting edge. The stress uniformity of the bolt during connection is good.

[0014] The utility model discloses the following beneficial effects: set two kinds of detector to detect, only two kinds of detector detect to produce fire time to carry out fire extinguishing, the accuracy is good when extinguishing fire, the part of installing temperature detector forms the space that air is not easy to circulate, can improve the timeliness of temperature detection response. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overhead schematic view of the embodiment one of the utility model;

[0016] Figure 2 It is the overhead schematic view of the embodiment one of the utility model; Figure 1 It is the partial enlarged schematic view of A of the utility model;

[0017] Figure 3 It is the left view schematic view of the embodiment one of the utility model;

[0018] Figure 4 It is the left view schematic view of the embodiment one of the utility model; Figure 3 It is the partial enlarged schematic view of B of the utility model;

[0019] Figure 5 It is the schematic view of connecting edge in the embodiment two.

[0020] In the figure: temperature detector 1, smoke detector 2, bottom box 3, box cover 4, top wall 5, front side wall 6, rear side wall 7, left side wall 8, right side wall 9, front end of left side wall 10, front end of right side wall 11, chamfer 12, bent guide slot 13, heat dissipation hole 14, front flange 15, front upper flange 16, rear flange 17, rear upper flange 18, connecting edge 19, bolt hole 20, outer connecting plate 21, inner connecting plate 22, first elastic bending part 23, second elastic bending part 24, inner connecting plate part bolt hole 25, outer connecting plate part bolt hole 26. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment one, see Figures 1 to 4 A controller for fire extinguisher, comprising a controller housing and a control circuit board installed in the controller housing, a temperature detector 1 and a smoke detector 2 are installed on the controller housing. The temperature detector and the smoke detector are electrically connected together with the control circuit board. The controller housing comprises a bottom box 3 and a box cover 4 covering the bottom box. The bottom box and the box cover are both metal structures. The box cover comprises a top wall 5, a front side wall 6, a rear side wall 7, a left side wall 8 and a right side wall 9, the front end 10 of the left side wall protrudes forward beyond the front side wall, the rear end protrudes backward beyond the rear side wall, the front end 11 of the right side wall protrudes forward beyond the front side wall, the rear end protrudes backward beyond the rear side wall, the front side wall is integrally formed together with the top wall, and is disconnected with the left side wall and the right side wall, the rear side wall is integrally formed together with the top wall, and is disconnected with the left side wall and the right side wall, the left side wall and the right side wall are both integrally formed together with the top wall, and the temperature detector is installed on the front side wall. The smoke detector is installed on the top wall. In the technical solution, the box cover can be made of sheet metal, a relatively closed area can be formed near the temperature detector to reduce air circulation, the fire can be detected in time when it occurs, and the timeliness of the detection response is good. When one detector responds, an alarm is given to remind possible fire, and when both detectors respond, the fire extinguisher sprays fire extinguishing agent to avoid false judgment.

[0023] The upper end of the part of the left side wall beyond the front side wall, the upper end of the part of the left side wall beyond the rear side wall, the upper end of the part of the right side wall beyond the front side wall and the upper end of the part of the right side wall beyond the rear side wall are all provided with chamfers 12. The chamfers are round chamfers. A bending guide groove 13 is arranged on the upper end of one end of the top wall. The controller housing is provided with heat dissipation holes 14. The lower end of the front side wall is provided with a front flange 15, the front end of the front flange is provided with a front upper flange 16, the lower end of the rear side wall is provided with a rear flange 17, and the rear end of the rear flange is provided with a rear upper flange 18. The lower end of the left side wall and the lower end of the right side wall are both bent in a direction away from the bottom box to form a connecting edge 19, and a plurality of bolt holes 20 are arranged on the connecting edge.

[0024] Embodiment two is different from embodiment one in that:

[0025] Referring to Figure 5 , the bolt hole is provided with an elastic washer, and the elastic washer comprises an outer connecting piece 21, an inner connecting piece 22, a first elastic bending part 23 and a second elastic bending part 24. The first elastic bending part connects one end of the outer connecting piece and one end of the inner connecting piece together. One end of the second elastic bending part is connected to the other end of the inner connecting piece, and the other end of the second elastic bending part is connected to the connecting edge. An inner connecting piece part bolt hole 25 is arranged on the inner connecting piece. An outer connecting piece part bolt hole 26 aligned with the inner connecting piece part bolt hole is arranged on the outer connecting piece. The inner connecting piece part bolt hole is aligned with the bolt hole. The outer connecting piece, the inner connecting piece, the first elastic bending part and the second elastic bending part are integrally formed together, and the second elastic bending part is integrally formed with the connecting edge. The outer connecting piece is parallel to the connecting edge.

[0026] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or equipment. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A controller for a fire extinguisher, characterized by, The controller housing is provided with a temperature detector and a smoke detector, and the temperature detector and the smoke detector are electrically connected with the control circuit board.

2. A controller for a fire extinguisher according to claim 1, wherein The upper end of the part of the left side wall beyond the front side wall, the upper end of the part of the left side wall beyond the rear side wall, the upper end of the part of the right side wall beyond the front side wall and the upper end of the part of the right side wall beyond the rear side wall are all provided with a chamfer.

3. A controller for a fire extinguisher according to claim 2, wherein The chamfer is a round chamfer.

4. A controller for a fire extinguisher according to claim 2 or 3, wherein The chamfer is located on the upper end of one end of the top wall and is provided with a bending guide groove.

5. A controller for a fire extinguisher as claimed in claim 1 or 2 or 3, wherein, The controller housing is provided with a heat dissipation hole.

6. A controller for a fire extinguisher as claimed in claim 1 or 2 or 3, wherein, The lower end of the front side wall is provided with a front turn-up edge, the front end of the front turn-up edge is provided with a front upper turn-up edge, the lower end of the rear side wall is provided with a rear turn-up edge, and the rear end of the rear turn-up edge is provided with a rear upper turn-up edge.

7. A controller for a fire extinguisher as claimed in claim 1 or 2 or 3, wherein, The lower end of the left side wall and the lower end of the right side wall are both bent in a direction away from the bottom box to form a connecting edge, and the connecting edge is provided with a plurality of bolt holes.

8. A controller for a fire extinguisher according to claim 7, wherein The bolt hole is provided with an elastic washer, and the elastic washer comprises an outer connecting piece, an inner connecting piece, a first elastic bending part and a second elastic bending part.

9. A controller for a fire extinguisher according to claim 8, wherein The first elastic bending part connects one end of the outer connecting piece with one end of the inner connecting piece, one end of the second elastic bending part is connected with the other end of the inner connecting piece, the other end of the second elastic bending part is connected with the connecting edge, the inner connecting piece is provided with an inner connecting piece part bolt hole, the outer connecting piece is provided with an outer connecting piece part bolt hole aligned with the inner connecting piece part bolt hole, and the inner connecting piece part bolt hole is aligned with the bolt hole.

10. A controller for a fire extinguisher according to claim 8, wherein The outer connecting piece, the inner connecting piece, the first elastic bending part and the second elastic bending part are integrally formed together, and the second elastic bending part is integrally formed with the connecting edge. The outer connecting piece is parallel to the connecting edge.

Images