CN213814919U - Fire alarm device applied to construction site - Google Patents
Fire alarm device applied to construction site Download PDFInfo
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- CN213814919U CN213814919U CN202023122445.7U CN202023122445U CN213814919U CN 213814919 U CN213814919 U CN 213814919U CN 202023122445 U CN202023122445 U CN 202023122445U CN 213814919 U CN213814919 U CN 213814919U
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- fire alarm
- construction site
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Abstract
The utility model provides a be applied to fire alarm device of job site, includes the box, the box includes box and lower box, and the top of going up the box has set firmly wind speed direction sensor and image sensor, goes up a plurality of mechanisms of hanging of top fixedly connected with of box, and the inside of going up the box is equipped with the alarm, and the middle part of the inside of lower box has set firmly the wind channel, and the fan is installed to the inboard of wind channel upper end, and smoke transducer is installed to the inboard of wind channel lower extreme, and temperature and humidity sensor is installed to the lateral wall of lower box. Can hang fire alarm device in the eminence through hanging the mechanism, utilize axial fan long-time and low-power work, produce the negative pressure in the wind channel, long-time low discharge inhales the wind channel with outside air inside, the wind channel leads the air current to smoke transducer department, smoke transducer detects the smog in the air, the long-time work of smoke transducer low-power, the air in the real-time detection environment so that in time discover the conflagration condition.
Description
Technical Field
The utility model relates to a fire alarm technical field, in particular to be applied to fire alarm device of job site.
Background
Along with the high-speed development of market economy, a comprehensive building, a commercial and residential building, an office factory building and the like emerge like bamboo shoots in the spring after rain, a tall tower crane and a built scaffold are visible everywhere, but in the development, the safety problem is often ignored, and the construction site fire sometimes happens. The problems of complex construction site conditions, more combustible and inflammable substances such as bamboos, wood boards, linoleum and the like, electric line faults, overlarge resistance of switches and distribution boxes, disordered lighting and electricity utilization, careless electric welding operation and the like can cause fire disasters.
In the prior art, the utility model with application number 201821074012.9 discloses a fire alarm device for construction of construction sites, which comprises a base and a device shell, wherein supporting legs are fixedly connected at four corners of the bottom of the base, a fixed plate is fixedly connected at one end of the top of the base, a bolt is arranged on the side wall of the top of the fixed plate, a device shell is fixedly connected at the other end of the top of the base, a concave cover is detachably connected on the side wall of the other end of the device shell through a screw, an alarm lamp is arranged on the side wall of the outer side of the device shell, a hinge is fixedly connected at the top of the concave cover, a waterproof cover is fixedly connected at the other end of the hinge, the other end of the waterproof cover is contacted with the concave cover, an insulating limiting rod is arranged at the middle position of the concave cover, the utility model has simple structure and convenient use, can alarm in time when a fire happens, shortens the time of finding the fire, greatly reduces the risk of constructors, and economic losses.
Although the technical problems that fire alarm cannot be timely carried out and the time for finding a fire is delayed in special situations are solved in the prior art, the fire alarm device is still fixed at the positions of a wall surface, a cylindrical surface and the like through a connecting structure, so that reasonable positions are difficult to find for configuration in project construction sites in the early and middle periods, and a fire monitoring mode is single and false alarm is easy to occur.
Disclosure of Invention
In view of the technical problem who exists among the prior art, the utility model provides a be applied to fire alarm device of job site still fixes in positions such as wall, cylinder through connection structure in order to solve to exist among the prior art, and project job site in middle period in the front hardly finds reasonable position and disposes to fire control mode is more single, takes place the technical problem of misreport easily.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a be applied to fire alarm device of job site, the power distribution box comprises a box body, the box includes box and lower box, and the top of going up the box has set firmly wind speed and direction sensor and image sensor, goes up a plurality of mechanisms of hanging of top fixedly connected with of box, and the inside of going up the box has set firmly the alarm, and the middle part of the inside of lower box has set firmly the wind channel, and the fan is installed to the inboard of wind channel upper end, and smoke transducer is installed to the inboard of wind channel lower extreme, and temperature and humidity sensor is installed to the outer wall of lower box one side.
Further, hang the mechanism and include the couple pole, the lower part member of couple pole is sharp appear and upper portion member semicircular in shape, couple pole lower part member and last box top fixed connection, the semicircular both sides of couple pole upper portion member are inlayed and are equipped with the push-and-pull groove, the semicircular outside of couple pole upper portion member is connected with the couple and pushes away the lid, the couple pushes away lid semicircular in shape and the inside both sides protruding and inlay and locate the push-and-pull inslot, the couple pushes away the top of lid and has set firmly the push jack.
Furthermore, the number of the hanging mechanisms is at least two, and the two hanging mechanisms are fixedly connected through a connecting rod.
Furthermore, a circuit board is arranged on the right side of the air duct in the lower box body, a microprocessor and an A/D converter are arranged on the circuit board, the input end of the A/D converter is electrically connected with the output ends of the smoke sensor, the temperature and humidity sensor, the wind speed and direction sensor and the image sensor, the output end of the A/D converter is electrically connected with the input end of the microprocessor, and the output end of the microprocessor is electrically connected with the input end of the alarm.
Furthermore, a GSM module is further arranged on the circuit board, and the microprocessor is connected with the GSM module through a TTL serial port.
Furthermore, the middle part of the top of the upper box body is provided with a through groove matched with the alarm, and the upper end of the alarm is embedded in the through groove.
Furthermore, a direction indicator lamp is fixedly arranged on the outer side of the upper box body.
Furthermore, a storage battery is installed on the right side of the air duct in the lower box body.
Furthermore, the bottom of the lower box body is fixedly provided with a pulley.
The utility model has the advantages that:
1. the fire alarm device can be hung at a high place through a hanging mechanism, and can also be directly placed on the ground or moved through a pulley;
2. the draught fan works for a long time and at low power, negative pressure is generated in the air duct, external air is sucked into the air duct at low flow for a long time, the air duct guides airflow to the smoke sensor, the smoke sensor detects smoke in the air, and the smoke sensor works at low power for a long time and detects the air in the environment in real time so as to find out the fire disaster condition in time;
3. various parameters of a construction site are respectively collected through a plurality of detection elements such as a smoke sensor, a wind speed and direction sensor, an image sensor, a temperature and humidity sensor and the like, and the false alarm caused by a single detection result is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the fire alarm device of the present invention;
FIG. 2 is a schematic view of the internal structure of the fire alarm device;
FIG. 3 is a schematic view of a fire alarm system;
in the figure, a box body 1, an upper box body 101, a lower box body 102, a wind speed and direction sensor 2, an image sensor 3, a hook rod 4, a push-pull groove 41, a hook push cover 42, a push sheet 43, an air duct 5, a fan 6, a smoke sensor 7, a temperature and humidity sensor 8, a circuit board 9, an alarm 10, a direction indicator light 11, a storage battery 12, a pulley 13 and a connecting rod 14.
Detailed Description
As shown in fig. 1 to 2, a fire alarm device applied to construction site, including box 1, box 1 includes box 101 and lower box 102, and the top of box 101 has set firmly wind speed and direction sensor 2 and image sensor 3, and a plurality of mechanisms of hanging of top fixedly connected with of box 101 go up, and the inside of going up box 101 has set firmly alarm 10, and the middle part of the inside of lower box 102 has set firmly wind channel 5, and fan 6 is installed to the inboard of wind channel 5 upper end, and smoke transducer 7 is installed to the inboard of wind channel 5 lower extreme, and temperature and humidity sensor 8 is installed to the outer wall of lower box 102 one side.
Specifically, the smoke sensor 7 detects the smoke concentration of the environment in real time, the preferable model of the smoke sensor 7 is MQ-2 semiconductor smoke sensor, and the sensor has the advantages of high sensitivity and quick response of a common semiconductor smoke sensor, strong anti-interference capability and long service life; the temperature and humidity sensor 8 detects the temperature and humidity of a construction site, a fire disaster is comprehensively judged by collecting the temperature and humidity, the temperature and humidity sensor 8 is a DHT11 digital temperature and humidity sensor, the DHT11 digital temperature and humidity sensor adopts a single-bus data format, namely, a single data port can complete input and output bidirectional transmission; the image sensor 3 collects pictures of a construction site in real time, and detects smoke diffusion characteristics and movement characteristics when a suspected fire disaster occurs in the construction site, wherein the image sensor 3 is a MT9M011 model CMOS image sensor; the wind speed and wind direction sensor 2 detects the wind speed and the wind power of a construction site in real time, when smoke alarm is monitored, the device can judge the direction source of the smoke, the wind speed and wind direction sensor 2 can select a YGC-FSFX-S integrated wind speed and wind direction sensor, and can select an RS485/RS232 interface for communication according to actual conditions; the axial flow fan 6 works for a long time and at low power, negative pressure is generated in the air duct 5, external air is sucked into the air duct 5 at low flow for a long time, the air duct 5 guides airflow to the smoke sensor 7, the fan 6 is a small axial flow fan, and a positive NTF2 series axial flow fan can be selected as a specific signal; the alarm 10 is a buzzer, and the model of the buzzer is BL-PBZ12085 CYB.
In the preferred scheme, the hanging mechanism comprises a hook rod 4, a lower rod piece of the hook rod 4 is in a straight line shape, an upper rod piece is in a semicircular shape, a lower rod piece of the hook rod 4 is fixedly connected with the top of the upper box 101, push-pull grooves 41 are embedded in two semicircular sides of the upper rod piece of the hook rod 4, a hook push cover 42 is connected to the outer semicircular side of the upper rod piece of the hook rod 4, the hook push cover 42 is in a semicircular shape, protrusions on two inner sides of the hook push cover 42 are embedded in the push-pull grooves 41, and a push sheet 43 is fixedly arranged at the top end of the hook push cover 42.
The pushing sheet 43 is pushed, the semicircular hook pushing cover 42 can rotate along the pushing groove 41 at the upper end of the hook rod 4, and the hung angle steel, channel steel, steel pipe and the like can be comprehensively surrounded and fixed, so that the fire alarm device is hung at any position of a construction site.
In the preferred scheme, the number of the hanging mechanisms is at least two, and the two hanging mechanisms are fixedly connected through the connecting rod 14, so that the fire alarm device can be hung at a high position more stably.
In the preferred scheme, a circuit board 9 is arranged on the right side of the air duct 5 in the lower box body 102, a microprocessor and an A/D converter are arranged on the circuit board 9, the input end of the A/D converter is electrically connected with the output ends of the smoke sensor 7, the temperature and humidity sensor 8, the wind speed and direction sensor 2 and the image sensor 3, the output end of the A/D converter is electrically connected with the input end of the microprocessor, and the output end of the microprocessor is electrically connected with the input end of the alarm 10.
Specifically, the microprocessor is an AT89C51 singlechip, the memory is provided with a read-only program memory which can be repeatedly erased and written and a random access data memory which can be repeatedly erased and written and has 4K bytes, the A/D converter is an ADC0832 converter, the A/D converter transmits the converted data to the microprocessor through a data bus, and the microprocessor can store the converted data in an internal memory after receiving a detection signal, so that a worker can conveniently inquire and analyze the specific reason of the fire disaster on the construction site.
In a preferred scheme, a GSM module is further arranged on the circuit board 9, the microprocessor is connected with the GSM module through a TTL serial port, the GSM module adopts a DL71004G full-network through serial port short message module, when a fire disaster occurs, the multi-protocol short message module DL7110 can be used as a master station to automatically collect PLC data analysis overrun or faults and send the PLC data analysis overrun or faults to a mobile phone short message alarm, a PLC single chip can also be used as a host, the GSM module is used as a slave machine to monitor the data analysis overrun and send the alarm through a short message, therefore, the fire disaster condition of a construction site is sent to site workers in real time through the short message, and the workers reasonably select an.
In the preferred scheme, the middle part of the top of the upper box body 101 is provided with a through groove matched with the alarm 10, and the upper end of the alarm 10 is embedded in the through groove.
In a preferred embodiment, the direction indicator lamps 11, in this embodiment four direction indicator lamps 11, are fixedly disposed on the outer side of the upper box 101, the four direction indicator lamps 11 are respectively mounted on the side walls of the upper box 101 in four directions, and when a fire occurs, the microprocessor starts the direction indicator lamps 11 to indicate directions to the staff according to the source and the diffusion direction of the smoke of the fire.
In a preferred scheme, a storage battery 12 is arranged at the right side of the air duct 5 in the lower box body 102, the storage battery 12 is arranged below a circuit board, and the storage battery 12 provides electric power for the whole device to operate.
In a preferred scheme, a pulley 13 is fixedly arranged at the bottom of the lower box body 102.
The utility model discloses when using, adopt following step:
1) the whole device is placed at any plane position, or the push sheet 43 is pushed, the hook push cover 42 rotates along the push-pull groove 41 at the upper end of the hook rod 4, so that a rod piece at the upper part of the hook rod 4 is sleeved on the hung angle steel, channel steel and steel pipe, and the whole device is hung at any height;
2) the axial flow fan 6 is used for working for a long time at low power, negative pressure is generated in the air channel 5, external air is sucked into the air channel 5 at low flow for a long time, the air channel 5 guides airflow to the smoke sensor 7, the smoke sensor 7 detects the smoke concentration led into the air channel in real time, the wind speed and wind direction sensor 2 detects the wind speed and wind power of a construction site in real time, the temperature and humidity sensor 8 detects the temperature and humidity of the construction site, and the image sensor 3 acquires the picture of the construction site in real time and detects the smoke diffusion characteristic and the movement characteristic;
3) when the smoke sensor 7 and the temperature and humidity sensor 8 detect abnormal values, the microprocessor judges the source and the diffusion direction of fire smoke according to data collected by the image sensor 3 and the wind speed and direction sensor 2 in real time, starts the direction indicator lamp 11 to indicate the direction of workers according to the source and the diffusion direction of the fire smoke, starts the alarm 10 to give an alarm prompt to the workers on the construction site, and sends the detection data and the judgment result to the workers in a short message form through the GSM module.
Claims (9)
1. The utility model provides a be applied to fire alarm device of job site, includes box (1), its characterized in that: box (1) includes box (101) and lower box (102), the top of going up box (101) has set firmly wind speed and direction sensor (2) and image sensor (3), go up a plurality of mechanisms of hanging of top fixedly connected with of box (101), the inside of going up box (101) is equipped with alarm (10), the middle part of the inside of lower box (102) has set firmly wind channel (5), fan (6) are installed to the inboard of wind channel (5) upper end, smoke transducer (7) are installed to the inboard of wind channel (5) lower extreme, temperature and humidity sensor (8) are installed to the outer wall of lower box (102) one side.
2. A fire alarm device applied to a construction site according to claim 1, wherein: hang the mechanism and include couple pole (4), the lower part member of couple pole (4) appears sharply and upper portion member semicircular in shape, couple pole (4) lower part member and last box (101) top fixed connection, the semicircular both sides of couple pole (4) upper portion member are inlayed and are equipped with push-and-pull groove (41), the semicircular outside of couple pole (4) upper portion member is connected with the couple and pushes away lid (42), the couple pushes away lid (42) semicircular in shape and the protruding of inside both sides is inlayed and is located push-and-pull groove (41), the top that the couple pushed away lid (42) has set firmly push jack (43).
3. A fire alarm device applied to a construction site according to claim 1 or 2, wherein: the number of the hanging mechanisms is at least two, and the two hanging mechanisms are fixedly connected through a connecting rod (14).
4. A fire alarm device applied to a construction site according to claim 1, wherein: the right side in the inside wind channel of box (102) is equipped with circuit board (9) down, is provided with microprocessor and AD converter on circuit board (9), and the input of AD converter is connected with smoke transducer (7), temperature and humidity sensor (8), wind speed and direction sensor (2) and image sensor's (3) output electricity, and the output of AD converter is connected with microprocessor's input electricity, and microprocessor's output is connected with the input electricity of alarm (10).
5. A fire alarm device applied to a construction site according to claim 4, wherein: and the circuit board (9) is also provided with a GSM module, and the microprocessor is connected with the GSM module through a TTL serial port.
6. A fire alarm device applied to a construction site according to claim 1, wherein: the middle part of the top of the upper box body (101) is provided with a through groove matched with the alarm (10), and the upper end of the alarm (10) is embedded in the through groove.
7. A fire alarm device applied to a construction site according to claim 1, wherein: and a direction indicating lamp (11) is fixedly arranged on the outer side of the upper box body (101).
8. A fire alarm device applied to a construction site according to claim 1 or 4, wherein: and a storage battery (12) is arranged on the right side of the air duct in the lower box body (102).
9. A fire alarm device applied to a construction site according to claim 1, wherein: and a pulley (13) is fixedly arranged at the bottom of the lower box body (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023122445.7U CN213814919U (en) | 2020-12-22 | 2020-12-22 | Fire alarm device applied to construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023122445.7U CN213814919U (en) | 2020-12-22 | 2020-12-22 | Fire alarm device applied to construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213814919U true CN213814919U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023122445.7U Expired - Fee Related CN213814919U (en) | 2020-12-22 | 2020-12-22 | Fire alarm device applied to construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213814919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117854218A (en) * | 2024-03-08 | 2024-04-09 | 山东洋利电气有限公司 | Fire alarm device of high-safety power distribution cabinet |
-
2020
- 2020-12-22 CN CN202023122445.7U patent/CN213814919U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117854218A (en) * | 2024-03-08 | 2024-04-09 | 山东洋利电气有限公司 | Fire alarm device of high-safety power distribution cabinet |
| CN117854218B (en) * | 2024-03-08 | 2024-05-31 | 山东洋利电气有限公司 | Fire alarm device of high-safety power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 Termination date: 20211222 |