Fire signal alarm device

Abstract

The utility model discloses a fire signal alarm device, specifically relates to the technical field of alarm devices, including a main frame, a connecting plate is provided at the rear end of the main frame, threaded grooves are provided around the surface of the connecting plate, the inner wall of the threaded groove is threadedly connected with a positioning bolt, a buzzer is fixedly connected to the front end of the main frame, and indicator lights are fixedly connected to both sides of the front end of the main frame. The fire signal alarm device described in the utility model can ensure that the air attracted by the cooling fan can have a good heat dissipation and dust prevention effect on the circuit board and other components inside the device through the dustproof mechanism, and personnel can clean and disassemble it regularly; the installation mechanism can enable the device to monitor the status of the device to be tested in real time, and when a certain device to be tested is abnormal, the abnormal device can be quickly located by checking the corresponding indicator light number of the device, eliminating tedious manual inspections.

Description

Technical Field

[0001] The utility model relates to the technical field of alarm devices, in particular to a fire signal alarm device. Background Art

[0002] Fire occurs almost simultaneously with the use of fire, and with the development of society and the increase in wealth, it causes more and greater harm, especially in cities, which have the characteristics of dense buildings, concentrated population, concentrated property, many sources of flammable and explosive materials, large quantities and wide areas, thus bringing more fire and explosion hazards. At present, there are many application scenarios with multi-channel signal alarm requirements, such as pressurized dry powder leakage scenarios in the fire protection field, or cabinet carbon dioxide leakage detection scenarios, etc.

[0003] The prior art has the following problems.

[0004] 1. The existing fire signal alarm device does not provide good heat dissipation and dust prevention effects on the circuit board and other components inside the main frame during use, and it is inconvenient for the staff to regularly clean and disassemble the inside of the device, thus affecting work efficiency;

[0005] 2. The existing fire signal alarm devices generally have independent and dispersed alarm leakage detection devices installed on each device, which results in high cost of alarm equipment. Although the location of the monitoring equipment needs to be relatively concentrated, manual inspection is still required one by one, which makes the inspection very troublesome. Utility Model Content

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A fire signal alarm device comprises a main frame, a connecting plate is arranged at the rear end of the main frame, threaded grooves are arranged around the surface of the connecting plate, a positioning bolt is threadedly connected to the inner wall of the threaded groove, a buzzer is fixedly connected to the front end of the main frame, indicator lights are fixedly connected to both sides of the front end of the main frame, a button panel is fixedly connected to the front end of the main frame, a dustproof mechanism is fixedly connected to the lower end of the main frame, and a mounting mechanism is detachably connected to the interior of the main frame.

[0008] Preferably, the dust-proof mechanism includes a mounting frame, the upper end of the mounting frame is fixedly connected to the lower end of the main frame, the inner wall of the mounting frame is provided with a mounting groove, sliding frames are provided on both sides of the bottom wall of the mounting groove, the upper end of the sliding frame is slidably connected to a filter frame, the top wall of the inner cavity of the mounting frame is fixedly connected to a motor, and the output shaft of the motor is transmission-connected to a cooling fan.

[0009] Preferably, the inner wall of the mounting frame is embedded and connected with the outer wall of the mounting groove, and the two sides of the bottom wall of the mounting groove are fixedly connected with the lower end of the sliding edge frame.

[0010] Preferably, the outer dimension of the filter frame is the same as the inner dimension of the mounting groove.

[0011] Preferably, the installation mechanism includes an installation cavity, the outer wall of the installation cavity is embedded and connected with the inner wall of the main frame, the inner wall of the installation cavity is provided with snap-fitting openings on both sides, a single-chip microcomputer is provided at the rear end of the installation cavity, the inner wall of the snap-fitting opening is snap-fitted with a detection interface board, the bottom wall of the installation cavity is embedded and connected with a connection port, and the upper end of the connection port is bolted with a power supply block.

[0012] Preferably, both sides of the inner wall of the installation cavity are embedded and connected with the outer wall of the engaging opening, and the rear end of the installation cavity is fixedly connected with the rear end of the single-chip computer.

[0013] Preferably, the snap-fitting opening and the detection interface plate are both in the shape of rectangular plates.

[0014] Preferably, the front end of the connecting plate is fixedly connected to the rear end of the main frame, and the inner walls around the connecting plate are embedded and connected to the outer walls of the threaded groove.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model can ensure that the air sucked by the cooling fan can achieve a good heat dissipation and dust prevention effect on components such as circuit boards inside the device through the dust prevention mechanism, and personnel can clean and disassemble it regularly.

[0017] 2. During the implementation of the utility model, the installation mechanism provided enables the device to monitor the status of the device under test in real time. When an abnormality occurs in a device under test, the abnormal device can be quickly located by checking the corresponding indicator light number of the device, eliminating the need for tedious manual inspections. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the dustproof mechanism structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0021] Figure 4 It is a side view of the utility model.

[0022] In the figure: 1. main frame; 2. connecting plate; 3. threaded groove; 4. positioning bolt; 5. buzzer; 6. indicator light; 7. key panel; 8. dustproof mechanism; 9. mounting mechanism; 81. mounting frame; 82. mounting groove; 83. sliding edge frame; 84. filter frame; 85. motor; 86. cooling fan; 91. mounting cavity; 92. snap-fitting port; 93. single-chip microcomputer; 94. detection interface board; 95. connection port; 96. power supply block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1 , Figure 4 As shown, a fire signal alarm device comprises a main frame 1, a connecting plate 2 is arranged at the rear end of the main frame 1, a threaded groove 3 is arranged around the surface of the connecting plate 2, a positioning bolt 4 is threadedly connected to the inner wall of the threaded groove 3, a buzzer 5 is fixedly connected to the front end of the main frame 1, indicator lights 6 are fixedly connected to both sides of the front end of the main frame 1, a button panel 7 is fixedly connected to the front end of the main frame 1, and a dustproof mechanism 8 is fixedly connected to the lower end of the main frame 1. The dustproof mechanism 8 can enable the device to ensure that the air attracted by the cooling fan can have a good heat dissipation and dustproof effect on components such as circuit boards inside the device, and personnel can regularly clean and disassemble it. The inside of the main frame 1 is detachably connected with an installation mechanism 9. The installation mechanism 9 enables the device to monitor the status of the device to be tested in real time. When an abnormality occurs in a device to be tested, the abnormal device can be quickly located by checking the corresponding indicator light number of the device, thereby eliminating tedious manual inspections. The front end of the connecting plate 2 is fixedly connected to the rear end of the main frame 1, and the inner walls around the connecting plate 2 are embedded and connected with the outer wall of the threaded groove 3.

[0025] like Figure 2 As shown, the dust-proof mechanism 8 includes a mounting frame 81, the upper end of the mounting frame 81 is fixedly connected to the lower end of the main frame 1, the inner wall of the mounting frame 81 is provided with a mounting groove 82, both sides of the bottom wall of the mounting groove 82 are provided with sliding edge frames 83, the upper end of the sliding edge frame 83 is slidably connected to a filter frame 84, the inner cavity top wall of the mounting frame 81 is fixedly connected to a motor 85, and the output shaft of the motor 85 is drivingly connected to a cooling fan 86;

[0026] The inner wall of the mounting frame 81 is embedded and connected with the outer wall of the mounting groove 82, and the two sides of the bottom wall of the mounting groove 82 are fixedly connected with the lower end of the sliding edge frame 83;

[0027] The outer dimensions of the filter frame 84 are the same as the inner dimensions of the mounting groove 82 .

[0028] As can be known from the above, the filter frame 84 forms a sliding structure with the installation groove 82 and the installation frame 81 through the sliding edge frame 83, so that the filter frame 84 can be easily pulled out.

[0029] like Figure 3 As shown, the mounting mechanism 9 includes a mounting cavity 91, the outer wall of the mounting cavity 91 is embedded and connected with the inner wall of the main frame 1, the inner wall of the mounting cavity 91 is provided with snap-fitting openings 92 on both sides, the rear end of the mounting cavity 91 is provided with a single-chip computer 93, the inner wall of the snap-fitting opening 92 is snap-fitted and connected with a detection interface board 94, the bottom wall of the mounting cavity 91 is embedded and connected with a connection opening 95, and the upper end of the connection opening 95 is bolted with a power supply block 96;

[0030] Both sides of the inner wall of the installation cavity 91 are embedded and connected with the outer wall of the engaging opening 92, and the rear end of the installation cavity 91 is fixedly connected with the rear end of the single chip computer 93;

[0031] The shapes of the engaging opening 92 and the detection interface plate 94 are both rectangular plates.

[0032] As can be seen from the above, the button panel 7 includes two buttons, namely, a self-check reset button and a mute button. The mute button can be used to mute the buzzer 5. The self-check reset button can detect whether the indicator light 6 and the buzzer 5 are faulty, and if the device has an abnormality and is repaired, the alarm buzzer of the indicator light 6 and the buzzer 5 will be cleared. The power supply block 96 uses DC power supply and has the functions of anti-reverse connection and short circuit protection.

[0033] The working principle of the utility model is as follows: first, twenty equidistantly distributed detection interfaces are arranged on the outside of the detection interface board 94 to cooperate with the corresponding passive sensors to connect with the equipment to be detected, and twenty LED indicator lights are arranged on the indicator light 6. The single-chip computer 93 matches the equipment to be detected with the corresponding indicator light 6 number, that is, when the equipment to be detected has an abnormality, the corresponding numbered LED indicator light will light up for prompting, and the buzzer 5 will sound at the same time to implement the alarm operation, and then the cooling fan 86 and the filter frame 84 are distributed in an upper and lower separated manner in the mounting frame 81, and the filter frame 84 is provided with two groups along the upper and lower parts of the main frame 1, so as to ensure that the air attracted by the cooling fan 86 can have a good heat dissipation and dust prevention effect on the components such as the circuit board inside the main frame 1, and the personnel can use the existence of the sliding edge frame 83 on the mounting surface of the filter frame 84 to regularly clean and disassemble it.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fire signal alarm device, comprising a main frame (1), characterized in that: A connecting plate (2) is provided at the rear end of the main frame (1), a threaded groove (3) is provided around the surface of the connecting plate (2), a positioning bolt (4) is threadedly connected to the inner wall of the threaded groove (3), a buzzer (5) is fixedly connected to the front end of the main frame (1), indicator lights (6) are fixedly connected to both sides of the front end of the main frame (1), a key panel (7) is fixedly connected to the front end of the main frame (1), a dustproof mechanism (8) is fixedly connected to the lower end of the main frame (1), and a mounting mechanism (9) is detachably connected to the interior of the main frame (1).

2. A fire signal alarm device according to claim 1, characterized in that: The dustproof mechanism (8) comprises a mounting frame (81), the upper end of the mounting frame (81) is fixedly connected to the lower end of the main frame (1), the inner wall of the mounting frame (81) is provided with a mounting groove (82), both sides of the bottom wall of the mounting groove (82) are provided with sliding edge frames (83), the upper end of the sliding edge frame (83) is slidably connected to a filter frame (84), the inner cavity top wall of the mounting frame (81) is fixedly connected to a motor (85), and the output shaft of the motor (85) is drivingly connected to a cooling fan (86).

3. A fire signal alarm device according to claim 2, characterized in that: The inner wall of the mounting frame (81) is embedded and connected with the outer wall of the mounting groove (82), and the two sides of the bottom wall of the mounting groove (82) are fixedly connected with the lower end of the sliding edge frame (83).

4. A fire signal alarm device according to claim 3, characterized in that: The outer dimensions of the filter frame (84) are the same as the inner dimensions of the installation groove (82).

5. A fire signal alarm device according to claim 1, characterized in that: The mounting mechanism (9) comprises a mounting cavity (91), the outer wall of the mounting cavity (91) is embedded and connected with the inner wall of the main frame (1), the inner wall of the mounting cavity (91) is provided with snap-fitting openings (92) on both sides, a single-chip computer (93) is provided at the rear end of the mounting cavity (91), the inner wall of the snap-fitting opening (92) is snap-fitted and connected with a detection interface board (94), the bottom wall of the mounting cavity (91) is embedded and connected with a connection opening (95), and the upper end of the connection opening (95) is bolted with a power supply block (96).

6. A fire signal alarm device according to claim 5, characterized in that: Both sides of the inner wall of the installation cavity (91) are embedded and connected with the outer wall of the engaging opening (92), and the rear end of the installation cavity (91) is fixedly connected with the rear end of the single chip computer (93).

7. A fire signal alarm device according to claim 6, characterized in that: The snap-fitting opening (92) and the detection interface plate (94) are both in the shape of rectangular plates.

8. A fire signal alarm device according to claim 1, characterized in that: The front end of the connecting plate (2) is fixedly connected to the rear end of the main frame (1), and the inner walls around the connecting plate (2) are embedded and connected to the outer walls of the threaded groove (3).

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