Fire alarm detection device

Abstract

The utility model discloses a fire alarm detection device, which comprises a fire alarm detector main body, a temperature sensor and a wiring terminal, the fire alarm detector main body comprises a lower shell and an upper shell, the upper shell is installed above the lower shell in a butt joint mode, the temperature sensor is installed inside the fire alarm detector main body, and the wiring terminal is connected with the temperature sensor. A wiring terminal is installed on the edge of the upper shell, a display screen is embedded in the upper portion of the upper shell, a dismounting assembly is arranged between the lower shell and the upper shell, and the dismounting assembly comprises a butt joint groove, a connecting frame, a butt joint strip, a limiting block, a connecting plate, a butt joint pin, a spring and a groove. According to the fire alarm detection device, the fire alarm detector body can be quickly disassembled through the disassembling assembly without the help of tools, the fire alarm detection device can be quickly disassembled and overhauled conveniently, large-particle dust can be blocked through the dustproof cover, sound holes are prevented from being blocked, and the fire alarm detection device has an anti-blocking structure.

Description

Technical Field

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

[0002] The fire detection device can monitor the residual current and wire temperature in the power distribution circuit in real time for the common causes of electrical fires, and can promptly detect power distribution anomalies and issue an alarm. It can directly use LORA wireless networking and local RS485 communication to feed back alarm information to the central monitoring equipment in real time, and can form a fire linkage control system with other monitoring equipment to provide residual current, temperature and other monitoring. It can effectively avoid electrical fires caused by abnormal line voltage, leakage, excessive cable temperature, etc., and provide a guarantee for safe use of electricity. The detector is widely used in power supply systems in industrial and civil buildings.

[0003] When the fire detection devices currently on the market are in use, if a fault occurs in the fire detection device, the upper and lower shells of the fire detection device need to be disassembled with the help of tools for maintenance, resulting in complicated operation steps when disassembling and repairing the existing fire detection devices. Therefore, the existing fire detection devices need to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a fire detection device to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire detection device, comprising a fire detector body, a temperature sensor and a wiring terminal, the fire detector body comprising a lower shell and an upper shell, the upper part of the lower shell is docked and installed with the upper shell, the interior of the fire detector body is installed with a temperature sensor, the edge of the upper shell is installed with a wiring terminal, and the upper part of the upper shell is inlaid and installed with a display screen, a disassembly component is commonly arranged between the lower shell and the upper shell, and the disassembly component comprises a docking groove, a connecting frame, a docking strip, a limit block, a connecting plate, a docking pin, a spring and a groove, the docking groove is opened on the inner wall of the lower shell, and the inner wall of the upper shell is connected with the connecting frame.

[0006] Preferably, a docking bar is connected to the surface of the connection frame, the docking bar is connected to the docking groove, and a limit block is connected to the surface of the lower shell.

[0007] Preferably, a connecting plate is provided on the outer edge of the upper shell, and a docking pin is connected to the inner wall of the connecting plate.

[0008] Preferably, the docking pin is inserted into the interior of the upper shell, and a spring is sleeved on the outer side of the docking pin, and two ends of the spring are respectively connected to the docking pin and the upper shell.

[0009] Preferably, a groove is provided on the inner side below the connecting plate, the groove is connected to the limit block, and a mounting groove is provided on the lower surface of the lower shell.

[0010] Preferably, a sound hole is provided on the surface of the upper shell body, and limiting seats are provided on both side surfaces of the upper shell body close to the sound hole, and limiting grooves are provided inside the limiting seats.

[0011] Preferably, a dust cover is butted against the top of the sound hole, and magnetic blocks are connected to the two side edges of the dust cover, and the magnetic blocks are butted against the limiting grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the fire detection device can quickly disassemble the fire detector body by disassembling the components without the aid of tools, which is convenient for rapid disassembly and maintenance of the fire detection device; large particles of dust can be blocked by the dust cover to avoid clogging of the sound hole, so that the fire detection device has an anti-clogging structure.

[0013] 1. The fire detection device first pulls the connection plate outward to the limit position, and the pulled connection plate drives the connected docking pin to move synchronously, and then pulls the upper shell upward, and the pulled upper shell drives the inner connection frame to move synchronously. At this time, the docking strip on the connection frame and the inner side of the lower shell are squeezed to a certain extent until the docking strip is separated from the docking groove, and the fire detector body can be disassembled. The disassembly assembly jointly arranged between the lower shell and the upper shell can quickly disassemble the fire detector body without the aid of tools, thereby facilitating the rapid disassembly and maintenance of the fire detection device;

[0014] 2. The fire detection device connects the magnetic blocks on both sides of the dust cover with the limit grooves on the limit seat one by one. The magnetic blocks are attracted between the limit grooves and the limit seat. At this time, the dust cover blocks the top of the sound hole. The dust cover installed in a limit position above the sound hole can block large particles of dust to avoid clogging of the sound hole, thereby making the fire detection device have an anti-clogging structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0016] Figure 2 It is a right side structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the main cutaway structure of the disassembly assembly of the utility model;

[0019] Figure 5It is a schematic diagram of the main cutaway structure of the dust cover of the utility model.

[0020] In the figure: 1. Fire detector body; 101. Lower shell; 102. Upper shell; 2. Temperature sensor; 3. Wiring terminal; 4. Display screen; 5. Disassembly assembly; 51. Docking slot; 52. Connecting frame; 53. Docking strip; 54. Limit block; 55. Connecting plate; 56. Docking pin; 57. Spring; 58. Groove; 6. Mounting slot; 7. Sound hole; 8. Limit seat; 9. Limit slot; 10. Dust cover; 11. Magnetic block. Implementation

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a technical solution: a fire detection device, including a fire detector body 1, a temperature sensor 2 and a wiring terminal 3, the fire detector body 1 includes a lower shell 101 and an upper shell 102, the upper part of the lower shell 101 is docked with the upper shell 102, the temperature sensor 2 is installed inside the fire detector body 1, the edge of the upper shell 102 is installed with the wiring terminal 3, and the upper part of the upper shell 102 is inlaid with a display screen 4, a disassembly component 5 is commonly arranged between the lower shell 101 and the upper shell 102, and the disassembly component 5 includes a docking groove 51, a connecting frame 52, a docking strip 53, a limit block 54, a connecting plate 55, a docking pin 56, a spring 57 and a groove 58, the docking groove 51 is opened on the inner wall of the lower shell 101, and the inner wall of the upper shell 102 is connected with the connecting frame 52.

[0023] The surface of the connecting frame 52 is connected with a docking strip 53, which is connected to the docking groove 51. The surface of the lower shell 101 is connected with a limit block 54. The outer edge of the upper shell 102 is provided with a connecting plate 55, and the inner wall of the connecting plate 55 is connected with a docking pin 56. The docking pin 56 is inserted into the interior of the upper shell 102, and a spring 57 is sleeved on the outer side of the docking pin 56. The two ends of the spring 57 are respectively connected to the docking pin 56 and the upper shell 102; a groove 58 is opened on the inner side of the lower side of the connecting plate 55, and the groove 58 is connected to the limit block 5 4 for docking, a mounting groove 6 is provided on the lower surface of the lower shell 101, the model of the temperature sensor 2 is HS-NTC-10K, and the temperature sensor 2 is a customized NTC thermistor, the docking strip 53 is made of rubber, the cross-sectional size of the docking strip 53 matches the cross-sectional size of the docking groove 51, the cross-sectional size of the limit block 54 matches the cross-sectional size of the groove 58, the connecting plate 55 is symmetrically distributed about the center line of the upper shell 102, and the docking pin 56 forms a telescopic structure with the upper shell 102 through the spring 57.

[0024] During the specific implementation, the connecting plate 55 is first pulled outward to the extreme position, and the pulled connecting plate 55 drives the connected docking pin 56 to move synchronously. At this time, the docking pin 56 moving outward squeezes the spring 57 sleeved on the outside, and the groove 58 on the connecting plate 55 is separated from the limit block 54, and then the upper shell 102 is pulled upward, and the pulled upper shell 102 drives the inner connecting frame 52 to move synchronously. At this time, the docking strip 53 on the connecting frame 52 is squeezed to a certain extent with the inner side of the lower shell 101, and the docking strip 53 squeezed by the external force is deformed due to its own rubber material until the docking strip 53 is separated from the docking groove 51, so that the lower shell 101 and the upper shell 102 can be separated, and the fire detector body 1 can be disassembled. The disassembly component 5 jointly arranged between the lower shell 101 and the upper shell 102 can quickly disassemble the fire detector body 1 without the aid of tools, thereby facilitating the rapid disassembly and maintenance of the fire detection device.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 A sound hole 7 is provided on the surface of the upper shell 102, and a limiting seat 8 is provided on both side surfaces of the upper shell 102 close to the sound hole 7, and a limiting groove 9 is provided inside the limiting seat 8; a dust cover 10 is docked above the sound hole 7, and magnetic blocks 11 are connected to both side edges of the dust cover 10, and the magnetic blocks 11 are docked with the limiting groove 9. The limiting seat 8 is made of metal iron, and the magnetic blocks 11 are connected to the limiting seat 8 through the limiting groove 9, and the magnetic blocks 11 are symmetrically distributed about the center line of the dust cover 10.

[0026] During the specific implementation, the magnetic blocks 11 on both sides of the dust cover 10 are connected one by one with the limiting grooves 9 on the limiting seat 8. The magnetic blocks 11 are attracted between the limiting grooves 9 and the limiting seat 8 to complete the limitation of the dust cover 10. At this time, the dust cover 10 blocks the sound hole 7, and the dust cover 10 is attached to the surface of the upper shell 102. The dust cover 10 installed in a limited position above the sound hole 7 can block large particles of dust to avoid clogging of the sound hole 7, thereby making the fire detection device have an anti-clogging structure.

[0027] To sum up, when using the fire detection device, the fire detector body 1 is assembled one-to-one with the detection instrument through the wiring terminal 3. During use, the fire detector body 1 monitors the temperature of the cable or distribution box through the internally installed temperature sensor 2 to achieve real-time temperature protection. The temperature sensor 2 provides a temperature measurement signal of -20°C to 150°C for the detector. When the temperature measurement value of any circuit is higher than the alarm setting value and the duration exceeds the alarm delay setting value, the alarm action is executed, the alarm temperature measurement value on the panel will continue to flash, and the buzzer will sound. This is the prior art and will not be elaborated here. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fire detection device, comprising a fire detector body (1), a temperature sensor (2) and a connection terminal (3), characterized in that: The fire detector body (1) comprises a lower shell (101) and an upper shell (102); the upper portion of the lower shell (101) is docked with the upper shell (102); a temperature sensor (2) is installed inside the fire detector body (1); a connection terminal (3) is installed on the edge of the upper shell (102); and a display screen (4) is mounted on the upper portion of the upper shell (102); a disassembly component (5) is provided between the lower shell (101) and the upper shell (102); the disassembly component (5) comprises a docking groove (51), a connection frame (52), a docking strip (53), a stopper (54), a connection plate (55), a docking pin (56), a spring (57) and a groove (58); the docking groove (51) is provided on the inner wall of the lower shell (101); and the inner wall of the upper shell (102) is connected to the connection frame (52).

2. The fire detection device according to claim 1, characterized in that: The surface of the connection frame (52) is connected with a docking strip (53), the docking strip (53) is connected to the docking groove (51), and the surface of the lower shell (101) is connected with a limiting block (54).

3. The fire detection device according to claim 2, characterized in that: A connecting plate (55) is provided on the outer edge of the upper shell (102), and a docking pin (56) is connected to the inner wall of the connecting plate (55).

4. The fire detection device according to claim 3, characterized in that: The docking pin (56) is inserted into the interior of the upper shell (102), and a spring (57) is sleeved on the outer side of the docking pin (56), with two ends of the spring (57) respectively connected to the docking pin (56) and the upper shell (102).

5. The fire detection device according to claim 4, characterized in that: A groove (58) is provided on the inner side below the connecting plate (55), and the groove (58) is butted against the limiting block (54). A mounting groove (6) is provided on the lower surface of the lower shell (101).

6. The fire detection device according to claim 4, characterized in that: A sound hole (7) is provided on the surface of the upper shell (102), and limit seats (8) are provided on both side surfaces of the upper shell (102) close to the sound hole (7), and limit slots (9) are provided inside the limit seats (8).

7. The fire detection device according to claim 6, characterized in that: A dust cover (10) is butted against the top of the sound hole (7), and magnetic blocks (11) are connected to the two side edges of the dust cover (10), and the magnetic blocks (11) are butted against the limiting grooves (9).

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