CN221804838U - Smoke detection alarm device - Google Patents

Abstract

The utility model discloses a smoke detection alarm device which comprises an upper end cover, a middle shell, a circuit board, an outer bottom shell and a fixing seat, wherein the outer bottom shell is detachably arranged above the fixing seat, the circuit board is arranged in the outer bottom shell, the upper part of the circuit board is detachably fixed with the outer bottom shell through the middle shell, the upper end cover is arranged on the outer side of the middle shell, and the upper end cover is detachably connected with the outer bottom shell. According to the utility model, the upper end cover, the middle shell, the outer bottom shell and the fixing seat are arranged, the circuit board is fixed between the upper end cover and the middle shell through the middle shell and the outer bottom shell, then the circuit board is fixed outside the middle shell through the upper end cover, and the fixing seat is arranged at the bottom of the outer bottom shell.

Description

Smoke detection alarm device

Technical Field

The utility model relates to the technical field of smoke concentration detection, in particular to a smoke detection alarm device.

Background

At present, a plurality of lines are connected into a power distribution room or a factory building, and a plurality of important devices such as a transformer, a high-voltage cabinet, a PT cabinet, a capacitance compensation cabinet and the like are installed. The aging of many of the equipment and lines creates security problems in the distribution room over time and the environmental impact within the distribution room. It is a dangerous situation that the line ages and the transformer is overloaded and the excessive temperature can cause a fire.

To the work of prevention electricity distribution room fire control safety problem mainly install smoke transducer in the electricity distribution room and carry out the smog monitoring, can send the harshness sound and report to the police when having detected smoke transducer, wait for the personnel on duty to handle. However, the smoke detection alarm device commonly used at present generally adopts an integrated outer shell, components such as a sensor are installed inside the shell, so that the installation mode of the integrated shell is often inconvenient to disassemble, the components such as a follow-up sensor are damaged and need to be replaced integrally, and further the cost is improved, the service life is short, and the like.

Disclosure of utility model

The technical problems to be solved by the utility model are as follows: how to provide an alarm device for smoke detection, which is convenient to install and detach.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides a smog detection alarm device, includes upper end cover, well shell, circuit board, outer drain pan and fixing base, outer drain pan demountable installation is in the top of fixing base, the circuit board is installed in the inside of outer drain pan, and the top of circuit board can be dismantled fixedly through well shell and outer drain pan, the outside of well shell is equipped with the upper end cover, and the upper end cover can be dismantled with outer drain pan and be connected.

According to the application, the upper end cover, the middle shell, the outer bottom shell and the fixing seat are arranged, the circuit board is fixed between the upper end cover and the middle shell through the middle shell and the outer bottom shell, then the circuit board is fixed outside the middle shell through the upper end cover, and the fixing seat is arranged at the bottom of the outer bottom shell.

As a further scheme of the utility model: the smoke alarm is installed at the middle position of one side of the circuit board facing the upper end cover, and the buzzer is arranged at one side of the smoke alarm.

As a further scheme of the utility model: the circuit board is equipped with the pilot lamp towards one side of upper end cover still, set up the light trap second corresponding with the pilot lamp on the well shell, set up the light trap first corresponding with the pilot lamp on the upper end cover.

As a further scheme of the utility model: the inner side of outer bottom shell is equipped with the inner protection shell of being connected with the circuit board, the outside of well shell can block the outside of inner protection shell to can dismantle the connection through buckle subassembly with the inner protection shell.

As a further scheme of the utility model: the buckle subassembly is including first buckle and first fixture block, and wherein first buckle equidistance is installed on the outer wall of well shell, the outside of protective housing is installed to first fixture block equidistance, and first buckle and first fixture block joint are connected.

As a further scheme of the utility model: the bottom equidistance of outer drain pan is installed a plurality of second buckles, the top equidistance of fixing base is equipped with the second fixture block corresponding with the second buckle, and wherein second buckle and second fixture block joint are connected.

As a further scheme of the utility model: the inside of the middle shell is hollow, and the top of the middle shell extends into the upper end cover.

As a further scheme of the utility model: smoke-permeable holes are formed in the top of the upper end cover.

As a further scheme of the utility model: and a plurality of mounting holes are formed in the fixing base.

Compared with the prior art, the utility model has the beneficial effects that:

Firstly, the upper end cover, the middle shell, the outer bottom shell and the fixing seat are arranged, the circuit board is fixed between the upper end cover and the middle shell through the middle shell and the outer bottom shell, then the circuit board is fixed outside the middle shell through the upper end cover, the fixing seat is arranged at the bottom of the outer bottom shell, all parts of the circuit board are detachably connected, the circuit board is convenient to install, the early installation and the replacement of later parts are facilitated, the whole replacement of partial parts is not needed, and only a single damaged part is needed to be replaced;

Secondly, the circuit board is arranged in the inner protective shell, the middle shell is clamped at the outer side of the inner protective shell, and then the circuit board is clamped and connected with the first clamping block on the inner protective shell through the first clamping buckle, so that the convenience of connection between the middle shell and the inner protective shell can be ensured through the cooperation of the first clamping buckle and the first clamping block, and meanwhile, the stability of the circuit board inside the middle shell and the inner protective shell is ensured;

Finally, the smoke alarm device can control the start and stop of the sensor based on the control of the singlechip, and transmit the signal of the sensor to the upper computer platform in real time, and the upper computer platform can perform real-time analysis after receiving the data; the single chip microcomputer system and the smoke sensor can prevent and analyze fire, and when the detection data exceeds the alarm value, the single chip microcomputer uploads the upper computer platform to alarm and control linkage among the sensors, so that the fire is prevented and controlled.

Drawings

FIG. 1 is a schematic diagram of a smoke detection alarm apparatus according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a smoke detection alarm apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating the structure of FIG. 2 according to another view angle according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the connecting case, outer bottom case and fixing base according to the embodiment of the present utility model;

Reference numerals illustrate: 1. an upper end cap; 101. a first light hole; 102. smoke penetration holes; 2. a middle shell; 201. a first buckle; 202. a second light hole; 3. a circuit board; 301. an indicator light; 302. a smoke alarm; 303. a buzzer; 4. an outer bottom case; 401. an inner protective shell; 402. a first clamping block; 403. a second buckle; 5. a fixing seat; 501. and a second clamping block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, a smoke detection alarm device comprises an upper end cover 1, a middle shell 2, a circuit board 3, an outer bottom shell 4 and a fixing seat 5, wherein the outer bottom shell 4 is installed at the top of the fixing seat 5 and is detachably connected with the fixing seat 5, the circuit board 3 is installed in the outer bottom shell 4, the middle shell 2 is installed on the outer side of the circuit board 3, the middle shell 2 is detachably connected with the outer bottom shell 4, the upper end cover 1 is installed on the outer side of the middle shell 2, and the upper end cover 1 is detachably connected with the outer bottom shell 4.

Referring to fig. 2 and 3, the upper end cover 1 is in a conical structure, the upper end cover 1 is hollow, the groove in the upper end cover 1 can just place the middle shell 2 inside, a smoke-permeable hole 102 is further formed in the middle position of the top of the upper end cover 1, and a first light-permeable hole 101 is further formed in the upper end cover 1.

Referring to fig. 2 and 3, the middle case 2 has a cone-shaped structure as a whole, the top of the middle case 2 can be inserted into a groove in the upper end cover 1 during installation, the inside of the middle case 2 is hollow, the top and the bottom are both open, a plurality of first buckles 201 are equidistantly arranged on the outer side of the middle case 2, the number of the first buckles 201 is determined according to the actual size of the middle case 2, the application is not limited, and the first buckles 201 are used for connecting with the outer bottom case 4; meanwhile, a second light hole 202 is formed in the middle shell 2, and the second light hole 202 corresponds to the first light hole 101 in position and is used for transmitting light to the indicator lamp 301 on the circuit board 3.

Referring to fig. 2 and 3, the circuit board 3 is in a rectangular plate structure, a smoke alarm 302 is arranged at the middle position of the top of the circuit board 3, a buzzer 303 is arranged on one side of the smoke alarm 302, an indicator lamp 301 is further arranged at the top of the circuit board 3 and on one side of the smoke alarm 302, and the position of the indicator lamp 301 corresponds to the positions of the light holes two 202 and the light hole one 101; the number of the indicator lamps 301 is two, so that the corresponding second light holes 202 and the first light holes 101 are two, and the flicker of the indicator lamps 301 can be observed through the two light holes 202 and the first light holes 101.

Referring to fig. 2 and 3, the outer side of the outer casing 4 is in a cylindrical structure, an inner protection casing 401 is arranged inside the outer casing 4, the inner protection casing 401 is in a rectangular hollow structure, a circuit board 3 can be just put in, the circuit board 3 is put in the inner protection casing 401, then the middle casing 2 covers the circuit board 3 and the inner protection casing 401, and then a first clamping block 402 arranged outside the inner protection casing 401 is clamped and connected by using a first clamping buckle 201, wherein the number of the first clamping blocks 402 is consistent with that of the first clamping buckles 201, the positions of the first clamping blocks are corresponding to that of the first clamping blocks 402, and the circuit board 3 can be installed between the middle casing 2 and the inner protection casing 401 through the first clamping buckles 201 and the first clamping blocks 402; while the middle casing 2 is mounted with its outer portion in the gap between the inner protective casing 401 and the outer casing 4; the upper end cap 1 is then coupled to the outer case 4, and the middle case 2 and the circuit board 3 are entirely covered.

Referring to fig. 2 and 3, a plurality of second buckles 403 are equidistantly arranged at the bottom of the outer bottom shell 4, a plurality of second clamping blocks 501 are equidistantly arranged in the fixing seat 5, the numbers of the second buckles 403 and the second clamping blocks 501 are consistent, the positions of the second buckles 403 and the second clamping blocks 501 are corresponding, and the second buckles 403 and the second clamping blocks 501 are in clamping connection, so that the outer bottom shell 4 and the fixing seat 5 are installed.

The specific operation principle of the application is as follows:

The application is based on the single-chip microcomputer (the single-chip microcomputer adopts FM33L0 series 16-bit ultra-low power consumption mixed signal processor) to control the start and stop of the sensor and transmit the signal of the sensor to the upper computer platform in real time (the upper computer is mature equipment in the current field, the application is only used without improvement), the upper computer platform can analyze in real time after receiving the data, the smoke sensor and the infrared temperature sensor are installed in the corresponding factory building together, the infrared temperature sensor can be selected from the current conventional sensor, the application does not improve the above; when the values of the infrared temperature sensor and the smoke sensor exceed the set values, the singlechip triggers the control circuit to alarm and close the transformer in the factory building, and simultaneously starts the fan in the factory building to work; when the current of the power grid exceeds a set value, the singlechip starts the protection program; when the power grid loses voltage and is under voltage, the singlechip starts the protection program; when the parameters are restored, the transformer switch needs to be manually closed for resetting.

The alarm parameters of the control sensor can be correspondingly adjusted according to the condition of the power distribution room, so that the accuracy of a control system is ensured, and misoperation is prevented.

The singlechip system and the smoke sensor can prevent and analyze fire, and when the detection data exceeds the alarm value, the singlechip uploads the upper computer platform to alarm and control the linkage among the sensors, so that the occurrence of the fire is prevented and controlled.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (9)

1. A smoke detection alarm device, characterized in that it comprises an upper end cover (1), a middle shell (2), a circuit board (3), an outer bottom shell (4) and a fixing seat (5), wherein the outer bottom shell (4) is detachably mounted above the fixing seat (5), the circuit board (3) is mounted inside the outer bottom shell (4), and the upper part of the circuit board (3) is detachably fixed to the outer bottom shell (4) through the middle shell (2), and the upper end cover (1) is provided on the outer side of the middle shell (2), and the upper end cover (1) is detachably connected to the outer bottom shell (4). 2. A smoke detection alarm device according to claim 1, characterized in that a smoke alarm (302) is installed at the middle position of one side of the circuit board (3) facing the upper end cover (1), and a buzzer (303) is also provided on one side of the smoke alarm (302). 3. A smoke detection alarm device according to claim 2, characterized in that: an indicator light (301) is also provided on the side of the circuit board (3) facing the upper end cover (1), a second light-transmitting hole (202) corresponding to the indicator light (301) is provided on the middle shell (2), and a first light-transmitting hole (101) corresponding to the indicator light (301) is provided on the upper end cover (1). 4. A smoke detection alarm device according to claim 1, characterized in that: an inner protective shell (401) connected to the circuit board (3) is provided on the inner side of the outer bottom shell (4), and the outer side of the middle shell (2) can be snapped onto the outer side of the inner protective shell (401) and is detachably connected to the inner protective shell (401) through a snap-fit assembly. 5. A smoke detection alarm device according to claim 4, characterized in that: the buckle assembly comprises a first buckle (201) and a first clamping block (402), wherein the first buckle (201) is equidistantly installed on the outer wall of the middle shell (2), and the first clamping block (402) is equidistantly installed on the outer side of the inner protective shell (401), and the first buckle (201) is engaged and connected with the first clamping block (402). 6. A smoke detection alarm device according to claim 1, characterized in that: a plurality of second buckles (403) are equidistantly installed at the bottom of the outer bottom shell (4), and a second clamping block (501) corresponding to the second buckle (403) is equidistantly provided at the top of the fixing seat (5), wherein the second buckle (403) is engaged and connected with the second clamping block (501). 7. A smoke detection alarm device according to claim 1, characterized in that the interior of the middle shell (2) is hollow, and the top thereof extends into the upper end cover (1). 8. A smoke detection alarm device according to claim 1, characterized in that a smoke hole (102) is provided on the top of the upper end cover (1). 9. A smoke detection alarm device according to claim 1, characterized in that: the fixing seat (5) is provided with a plurality of mounting holes.