CN216083864U - Sound alarm base for fire alarm detector - Google Patents
Sound alarm base for fire alarm detector Download PDFInfo
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- CN216083864U CN216083864U CN202122584874.4U CN202122584874U CN216083864U CN 216083864 U CN216083864 U CN 216083864U CN 202122584874 U CN202122584874 U CN 202122584874U CN 216083864 U CN216083864 U CN 216083864U
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Abstract
The utility model provides a sound alarm base for a fire alarm detector, which comprises a base body consisting of a base bottom plate and a base outer cover, wherein a circuit printed board is arranged on the base body, an MCU (microprogrammed control unit), an alarm unit and a buzzer are integrated on the circuit printed board, a first contact and a second contact are printed on the circuit printed board, a first contact piece is arranged at the first contact, and when the base body is connected with the detector body, the first contact piece is used for being in contact with an output signal contact at the bottom of the detector body; and a second contact piece is arranged at the second contact and is used for being connected with an external electrodeless second bus. After the coding is carried out, the detector can be assembled with the existing fire alarm detector body for use, and the sound alarm is sent out in a linkage manner on a fire scene.
Description
Technical Field
The utility model relates to a sound alarm base for a fire alarm detector, and belongs to the technical field of fire fighting equipment.
Background
When a fire is detected, an alarm signal is generally transmitted to a fire alarm control center, and then the fire alarm control center uniformly issues the alarm signal, so that on one hand, related personnel are informed to carry out fire extinguishing and rescue activities, and on the other hand, field personnel are evacuated quickly, so that accident loss and casualties are reduced.
Because the existing fire alarm detector does not output any alarm signal on the fire scene, the fire condition is difficult to be found and people on the scene escape in time at the initial stage of the fire.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sound alarm base for a fire alarm detector, which can be assembled with the existing fire alarm detector body for use after being coded, and can send out sound alarm in a linkage manner on a fire scene.
The utility model is implemented by the following technical scheme:
a sound alarm base for a fire alarm detector comprises a base bottom plate and a base outer cover, wherein the base body is formed by the base bottom plate and the base outer cover, a circuit printed board is installed on the base body, a control unit including but not limited to a Micro Control Unit (MCU), an alarm unit and a buzzer are integrated on the circuit printed board, a first contact and a second contact are printed on the circuit printed board, a first contact piece is installed at the first contact, and when the base body is connected with the detector body, the first contact piece is used for being in contact with an output signal contact at the bottom of the detector body; and a second contact piece is arranged at the second contact and is used for being connected with an external electrodeless second bus.
Preferably, a buzzer mounting hole is formed in the center of the base outer cover, a sound output channel extends to the periphery by taking the hole center of the buzzer mounting hole as a circle center, and the sound output channel is isolated and enclosed by a sound channel partition plate.
Preferably, the sound output channel is located at the bottom surface of the base housing, and at least two sound output channels are adopted.
Preferably, the sound output channels are uniformly arranged in three, wherein the opening width of each sound output channel gradually increases when each sound output channel extends towards the periphery.
Preferably, be equipped with at least one base bottom plate fixed column on the base bottom plate, correspondingly, be equipped with at least one base bottom plate fixed orifices on the base dustcoat, through base bottom plate fixed column and base bottom plate fixed orifices assembly, realize the location of base bottom plate and base dustcoat.
Preferably, the base bottom plate fixing column is provided with a through hole along the central axial direction, and the through hole is used as a drainage hole.
Preferably, the upper edge of the base outer cover is provided with at least one base fixing clamping groove which is communicated with a base screwing sliding groove arranged along the circumferential direction; the base fixing clamping groove is used for being in butt joint with a fixing clamping block arranged on the detector body, and the fixing clamping block slides into the base fixing clamping groove through relative rotation after the butt joint, so that the base body is connected with the detector body.
Preferably, the first contact piece is a metal sheet with at least one bent portion, the bent portion has elasticity and divides the metal sheet into a first contact portion and a second contact portion, the first contact portion is used for contacting with a first contact on the circuit printed board, and the second contact portion is used for contacting with an output signal contact at the bottom of the detector body.
Preferably, the second contact portion is brought into tight contact with the first contact after assembly by adding the bent portion.
Preferably, a decoration cover is arranged above the circuit printed board, the decoration cover completely covers the circuit printed board, and the decoration cover is installed on the base body through a fastener.
The utility model has the beneficial effects that:
1. the utility model adopts an independent base structure, can be assembled with the existing various wired fire detector bodies for use, or can be assembled with the existing various wireless fire detector bodies for use, is convenient to disassemble and assemble, not only ensures the structural integrity and the appearance attractiveness, but also does not destroy the performance consistency of the existing products;
2. by adopting the utility model, the sound alarm can be sent out on site in the initial stage of fire, and people can be warned to evacuate and escape quickly;
3. the utility model has stable performance and long service life;
4. the utility model is especially suitable for the crowded places such as dormitory buildings, high-rise residences, gerocomiums, kindergartens and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
Fig. 3 is a front view of the base housing of the present invention.
Fig. 4 is a rear view of the base housing of the present invention.
Fig. 5 is a perspective view of the base housing of the present invention.
FIG. 6 is a schematic view of a probe body.
FIG. 7 is a bottom schematic view of the probe body.
In the figure, 1, a screw with a wiring sheet, 2, a base bottom plate, 3, a circuit printed board, 4, a detector body, 5, a first contact sheet, 6, a second contact sheet, 7, an output signal contact, 8, a sound channel clapboard, 9, a base outer cover, 10, a decorative cover, 11, a sound output channel, 13, a fixed clamping block, 14, a base screwing sliding groove, 15, the contact piece fixing device comprises a buzzer 16, a first contact piece cross beam 17, a first contact piece fixing groove 19-1, a base bottom plate fixing column 19-2, a base bottom plate fixing hole 20-1, a connecting fixing hole 20-2, a connecting fixing column 21-1, a first fixing mounting hole 21-2, a second fixing mounting hole 22, a circuit printed board fixing frame 23, a second contact piece fixing groove 24, a buzzer mounting hole 25 and a second contact piece fixing hole.
Detailed Description
The detector is a temperature-sensitive detector or a smoke-sensitive detector, and the sound alarm base provided by the utility model can be assembled with any type of fire detector for use, so that on-site sound alarm is realized. The following detailed description is made with reference to the accompanying figures 1-7 of the specification.
A sound alarm base for a fire alarm detector comprises a base body consisting of a base bottom plate 2 and a base outer cover 9, the circuit printed board 3 is arranged on the base body, the circuit printed board 3 is arranged on a circuit printed board fixing frame 22, the circuit printed board fixing frame 22 is in a circular hole shape and is positioned at the center of the base body, the circuit printed board 3 is integrated with an MCU control unit, an alarm unit and a buzzer 15, and the circuit printed board 3 is printed with a first contact and a second contact, wherein, a first contact piece 5 is arranged at the first contact point, when the base body is connected with the detector body 4, the first contact piece 5 is used for contacting with an output signal contact 7 at the bottom of the detector body 4, when the detector body 4 detects a fire, a fire alarm signal is simultaneously output to the output signal contact 7 and transmitted to the circuit printed board 3 through the first contact piece 5; and a second contact piece 6 is arranged at the second contact, the second contact piece 6 is used for being connected with an external electrodeless two-wire bus, and the electrodeless two-wire bus is used as a power line to provide power for the circuit printed board 3 on one hand and is used as a signal line to transmit a fire alarm signal with a fire alarm control center on the other hand. And after receiving the signal transmitted by the first contact piece 5, the MCU control unit on the circuit printed board 3 starts the alarm unit and the buzzer 15 to give out sound alarm.
The upper edge of the base outer cover 9 is provided with at least one base fixing clamping groove 18, and the base fixing clamping groove 18 is communicated with a base screwing sliding groove 14 which is arranged along the circumferential direction; the base fixing clamping groove 18 is used for being in butt joint with a fixing clamping block 13 arranged on the detector body 4, and the fixing clamping block 13 slides into the base fixing clamping groove 18 through relative rotation after the butt joint, so that the base body and the detector body 4 are connected. The connection mode can realize quick installation and disassembly.
The center of the base outer cover 9 is provided with a buzzer mounting hole 24, and the buzzer mounting hole 24 is concentric with the circular hole-shaped circuit printed board fixing frame 22. And a sound output channel 11 extends to the periphery by taking the hole center of the buzzer mounting hole 24 as a circle center, and the sound output channel 11 is isolated and enclosed by a sound channel partition plate 8. Further, the sound output channels 11 are located at the bottom surface of the base housing 9, and the sound output channels 11 are uniformly arranged in three strips, wherein the opening width of each sound output channel 11 gradually increases when the sound output channel extends to the periphery. The design is beneficial to optimizing the sound output effect.
On the base housing 9, a first contact piece fixing groove 17 for positioning and mounting the first contact piece 5 and a second contact piece fixing groove 23 for positioning and mounting the second contact piece 6 are provided at the periphery of the circuit printed board fixing frame 22. A first contact piece cross beam 16 for supporting the first contact piece 5 is arranged in the first contact piece fixing groove 17, and the first contact piece 5 is fixedly locked and fixed through a fastener after being positioned and installed in the first contact piece fixing groove 17; the second contact piece 6 is fixed by the fastening member after being positioned and installed in the second contact piece fixing groove 23.
At least one base bottom plate fixing column 19-1 is arranged on the base bottom plate 2, correspondingly, at least one base bottom plate fixing hole 19-2 is arranged on the base outer cover 9, and the base bottom plate 2 and the base outer cover 9 are positioned by assembling the base bottom plate fixing column 19-1 and the base bottom plate fixing hole 19-2. After positioning, the base outer cover 9 is connected with the connecting and fixing holes 20-1 on the base outer cover 9 and the connecting and fixing columns 20-2 on the base bottom plate 2 through fasteners, so that the base outer cover 9 and the base bottom plate 2 are locked and fixed.
In addition, at least two fixed mounting holes II 21-2 are arranged on the base bottom plate 2, correspondingly, a fixed mounting hole I21-1 is arranged on the base outer cover 9 and positioned at the outer side of the buzzer mounting hole 24, and after the fixed mounting holes II 21-2 and the fixed mounting hole I21-1 are correspondingly mounted, the fixed mounting holes II are used as mounting holes of the whole base and fixedly mounted on a wall body by adopting fasteners.
The base bottom plate fixing column 19-1 is provided with a through hole along the central axial direction, and the through hole is used as a drain hole. The design of wash port is convenient for the drainage, and then draws the liquid clean of arranging, and indirect protection the base especially avoids electronic components in the base to encounter the phenomenon that soaks and take place the damage.
The first contact piece 5 is a metal sheet with at least one bent portion, the bent portion has elasticity and divides the metal sheet into a first contact portion and a second contact portion, the first contact portion is used for being in contact with a first contact on the circuit printed board 3, and the second contact portion is used for being in contact with an output signal contact 7 at the bottom of the detector body 4. In addition, the second bending part and the third bending part are added on the second contact part, so that the second contact part can be tightly contacted with the first contact after being assembled.
The decorative cover 10 is arranged above the circuit printed board 3, the circuit printed board 3 is completely covered by the decorative cover 10, and the decorative cover 10 is installed on the base body through a fastener and can protect the circuit printed board 3.
Claims (10)
1. The utility model provides a fire alarm sound alarming base for detector which characterized in that: the base is composed of a base bottom plate (2) and a base outer cover (9), a circuit printed board (3) is installed on the base body, the circuit printed board (3) is integrated with a control unit including but not limited to an MCU (microprogrammed control unit), an alarm unit and a buzzer (15), a first contact and a second contact are printed on the circuit printed board (3), a first contact piece (5) is installed at the first contact, and when the base body is connected with a detector body (4), the first contact piece (5) is used for being in contact with an output signal contact (7) at the bottom of the detector body (4); and a second contact piece (6) is arranged at the second contact, and the second contact piece (6) is used for being connected with an external electrodeless second bus.
2. A fire alarm base for a fire alarm detector as claimed in claim 1, wherein: the base is characterized in that a buzzer mounting hole (24) is formed in the center of the base outer cover (9), a sound output channel (11) extends to the periphery by taking the hole center of the buzzer mounting hole (24) as a circle center, and the sound output channel (11) is isolated and enclosed by a sound channel partition plate (8).
3. A fire alarm base for a fire alarm detector as claimed in claim 2, wherein: the sound output channels (11) are positioned on the bottom surface of the base outer cover (9), and at least two sound output channels (11) are adopted.
4. A fire alarm base for a fire alarm detector as claimed in claim 3, wherein: the sound output channels (11) are uniformly distributed in three, wherein the opening width of each sound output channel (11) is gradually increased when the sound output channel extends to the periphery.
5. A fire alarm base for a fire alarm detector as claimed in claim 1, wherein: at least one base bottom plate fixing column (19-1) is arranged on the base bottom plate (2), correspondingly, at least one base bottom plate fixing hole (19-2) is formed in the base outer cover (9), and the base bottom plate (2) and the base outer cover (9) are positioned by assembling the base bottom plate fixing column (19-1) and the base bottom plate fixing hole (19-2).
6. A fire alarm base for a fire alarm detector as claimed in claim 5, wherein: the base bottom plate fixing column (19-1) is provided with a through hole along the central axial direction, and the through hole is used as a drainage hole.
7. A fire alarm base for a fire alarm detector as claimed in claim 1, wherein: the upper edge of the base outer cover (9) is provided with at least one base fixing clamping groove (18), and the base fixing clamping groove (18) is communicated with a base screwing sliding groove (14) which is arranged along the circumferential direction; the base fixing clamping groove (18) is used for being in butt joint with a fixing clamping block (13) arranged on the detector body (4), and the fixing clamping block (13) slides into the base fixing clamping groove (18) through relative rotation after the butt joint, so that the base body is connected with the detector body (4).
8. A fire alarm base for a fire alarm detector as claimed in claim 1, wherein: the first contact piece (5) is a metal sheet with at least one bent part, the bent part has elasticity and divides the metal sheet into a first contact part and a second contact part, the first contact part is used for being in contact with a first contact on the circuit printed board (3), and the second contact part is used for being in contact with an output signal contact (7) at the bottom of the detector body (4).
9. A fire alarm base for a fire alarm detector as claimed in claim 8, wherein: and the second contact part is tightly contacted with the first contact after assembly by adding the bending part.
10. A fire alarm base for a fire alarm detector as claimed in claim 1, wherein: a decorative cover (10) is arranged above the circuit printed board (3), the circuit printed board (3) is completely covered by the decorative cover (10), and the decorative cover (10) is installed on the base body through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122584874.4U CN216083864U (en) | 2021-10-27 | 2021-10-27 | Sound alarm base for fire alarm detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122584874.4U CN216083864U (en) | 2021-10-27 | 2021-10-27 | Sound alarm base for fire alarm detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216083864U true CN216083864U (en) | 2022-03-18 |
Family
ID=80641772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122584874.4U Active CN216083864U (en) | 2021-10-27 | 2021-10-27 | Sound alarm base for fire alarm detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216083864U (en) |
-
2021
- 2021-10-27 CN CN202122584874.4U patent/CN216083864U/en active Active
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