CN215733037U - Power distribution cabinet with compressed air cooling and air suction type fire detector - Google Patents
Power distribution cabinet with compressed air cooling and air suction type fire detector Download PDFInfo
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- CN215733037U CN215733037U CN202121801949.3U CN202121801949U CN215733037U CN 215733037 U CN215733037 U CN 215733037U CN 202121801949 U CN202121801949 U CN 202121801949U CN 215733037 U CN215733037 U CN 215733037U
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Abstract
The utility model relates to a power distribution cabinet with a compressed air cooling and air suction type fire detector, and belongs to the technical field of power equipment. The technical scheme is as follows: a cooling air outlet of the case cooler (3) extends into a power distribution cabinet body (7), one end of the vortex tube (1) is connected with an air compressor, the other end of the vortex tube is connected with one end of the tee joint A (2) and then divided into two paths, one path of the vortex tube is connected with the case cooler (3), the other path of the vortex tube is connected with one end of the tee joint B (15) and then divided into two paths, one path of the vortex tube is connected with the air suction type smoke fire detector through an air inlet pipe, and the other path of the vortex tube is communicated with the power distribution cabinet body (7) through an air suction pipe (16). The utility model has the following positive effects: the temperature inside the power distribution cabinet can be maintained at a proper temperature, and the safe operation of the power distribution cabinet is kept; the early warning and prevention of electrical fire can be realized; the compressed air is reasonably utilized to automatically clean the air inlet pipe, the air suction pipe and the filter, so that the working performance and the service life of the air suction type smoke fire detector are improved.
Description
Technical Field
The utility model relates to a power distribution cabinet with a compressed air cooling and air suction type fire detector, and belongs to the technical field of power equipment.
Background
The PLC or various low-voltage electrical components are heating elements, the best working temperature environment is mostly between 20 and 30 ℃, and the performance and the service life of the electrical components are influenced if the temperature is higher than 45 ℃. Therefore, in order to ensure a stable operation of the system, the switch boards preferably ensure that the temperature in the cabinet is within the required range. The traditional heat dissipation method is to install a heat dissipation fan and a heat dissipation vent in a power distribution cabinet. The method is economical, can keep effective ventilation and cooling in the power distribution cabinet, and is a good and economical method for the power distribution cabinet with fewer heating elements or fewer devices or low requirements on the environment. But for the switch board that the device is intensive, heating element is many for the existing electric capacity of low-voltage capacitor box, reactance etc. calorific capacity is many or require high to the environment, this measure is far from not enough. In addition, because the temperature in the power distribution cabinet is gathered for a long time, heat cannot be dissipated, an electrical fire is easy to cause, and great loss is brought to production and life of enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power distribution cabinet with a compressed air cooling and air suction type fire detector, wherein a case cooler is additionally arranged at the top of a cabinet body of the power distribution cabinet to replace a fan in the original power distribution cabinet, compressed air is converted into hot air flow and cold air flow by using a vortex tube and the case cooler, the air flow is firstly filtered before being cooled, dried and clean air is cooled, the cold air flow is discharged towards the inside of the power distribution cabinet, and the hot air flow is discharged out of the power distribution cabinet, so that the proper temperature in the power distribution cabinet is favorably maintained, and the safe operation of the power distribution cabinet is kept. Meanwhile, an air suction type smoke fire detector is arranged at the top of the power distribution cabinet, and a fire alarm is given out by actively collecting and detecting air samples in the power distribution cabinet and analyzing whether smoke particles exist or not; the air inlet pipe and the filter are automatically cleaned by utilizing compressed air, and the air inlet pipe and the filter are perfectly combined with the case cooler, so that the working performance is improved, the service life is prolonged, and the problems in the background art are solved.
The technical scheme of the utility model is as follows:
a power distribution cabinet with compressed air cooling and air suction type fire detectors comprises an air compressor, a vortex tube, a tee joint A, a cabinet cooler, a cabinet body of the power distribution cabinet, an exhaust pipe, an air suction type smoke fire detector, an air inlet pipe, a filter, a tee joint B and an air suction pipe; the top of the switch board cabinet body is equipped with quick-witted case cooler and formula of breathing in smoke fire detector, it is internal that the cooling air outlet of quick-witted case cooler stretches into the switch board cabinet, vortex tube one end is connected with the air compressor machine, the other end is connected with tee bend A one end and is divided into two the tunnel, be connected with quick-witted case cooler all the way, another way is connected with tee bend B's one end and is divided into two the tunnel, one way is passed through the intake pipe and is connected with formula of breathing in smoke fire detector, another way is through breathing pipe and switch board cabinet body intercommunication, intake pipe department is equipped with the filter, be equipped with the blast pipe on the formula of breathing in smoke fire detector.
The tee joint A is connected with one end of the tee joint B through a connecting pipeline, and a stop valve is arranged on the connecting pipeline.
And a fuse, a contactor, a capacitor and a reactor are arranged in the power distribution cabinet body.
When the air suction type smoke fire detector is used for sampling, the filter is connected to the air inlet pipe, so that dust, aerosol, acid and alkali gases and the like in the atmosphere are prevented from being sucked into the pump, the working performance of the instrument is reduced, and the service life of the instrument is prolonged.
The utility model has the following positive effects: cold airflow is discharged into the power distribution cabinet by using the air compressor and the cabinet cooler, so that the proper temperature inside the power distribution cabinet is maintained, and the safe operation of the power distribution cabinet is kept; the early warning and prevention of electrical fire can be realized, the fire accident disappears in the germination period, and the harm after the fire happens is reduced; the air inlet pipe, the air suction pipe and the filter are cleaned automatically by reasonably utilizing compressed air, and the air inlet pipe, the air suction pipe and the filter are perfectly combined with the case cooler, so that the working performance and the service life of the air suction type smoke fire detector are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the device comprises a vortex tube 1, a tee joint A2, a case cooler 3, hot air flow 4, compressed air 5, cold air flow 6, a power distribution cabinet body 7, a connecting pipeline 9, a stop valve 10, an exhaust pipe 11, an air suction type smoke and fire detector 12, an air inlet pipe 13, a filter 14, a tee joint B15, an air suction pipe 16, flowing air 17, a fuse 18, a contactor 19, a capacitor 20 and a reactor 21.
Detailed Description
The utility model is further described with reference to the following figures and examples:
a power distribution cabinet with compressed air cooling and air suction type fire detectors comprises an air compressor, a vortex tube 1, a tee joint A2, a chassis cooler 3, a cabinet body 7 of the power distribution cabinet, an exhaust pipe 11, an air suction type smoke fire detector 12, an air inlet pipe 13, a filter 14, a tee joint B15 and an air suction pipe 16; the top of switch board cabinet body 7 is equipped with quick-witted case cooler 3 and air suction formula smoke fire detector 12, the cooling air outlet of quick-witted case cooler 3 stretches into in the switch board cabinet body 7, vortex tube 1 one end is connected with the air compressor machine, the other end divides into two the tunnel after being connected with tee bend A2 one end, be connected with quick-witted case cooler 3 all the way, another way divides into two the tunnel after being connected with tee bend B15's one end, one way is passed through intake pipe 13 and is connected with air suction formula smoke fire detector 12, another way passes through breathing pipe 16 and switch board cabinet body 7 intercommunication, intake pipe 13 department is equipped with filter 14, be equipped with blast pipe 11 on the air suction formula smoke fire detector 12.
The tee joint A2 is connected with one end of a tee joint B15 through a connecting pipeline 9, and a stop valve 10 is arranged on the connecting pipeline 9.
And a fuse 18, a contactor 19, a capacitor 20 and a reactor 21 are arranged in the power distribution cabinet body 7.
With reference to fig. 1, the operation mode of the present invention is divided into a cooling mode and a cleaning mode:
cooling mode: first the shut-off valve 10 is in the shut-off state. The vortex tube 1 divides the compressed air into two paths through a tee joint A2, and one path of compressed air 5 enters the chassis cooler 3 and is converted into hot air flow 4 and cold air flow 6. The cold air flow 6 is discharged towards the inside of the control cabinet to cool the inside of the cabinet body; the hot gas flow 4 is discharged through the hot gas outlet of the vortex tube. The air suction type smoke fire detector is a Cirrus CCD, the Cirrus CCD adopts a cloud chamber detection technology, fire detection sampling is carried out through an air suction pipe, flowing air 17 in a power distribution cabinet samples filtered air through an air suction pump through an air suction pipe 16, a tee joint B15 and a filter 14, the filtered air enters an air inlet pipe 13 until the filtered air enters an air suction type smoke fire detector 12, smoke sampling is carried out, and the Cirrus CCD cloud chamber detection technology can find out early fire alarm and simultaneously reduce the false alarm rate to the minimum. According to the Cirrus CCD cloud chamber detection technology, at most 4 air flow sensors are independently installed at the inlet of each pipeline, and when the air flow changes, a fire alarm monitoring system is triggered to find a fire early, so that the loss of manpower and financial resources is avoided.
A flushing mode: firstly, the power supply of the case cooler 3 and the air suction type smoke fire detector 12 is cut off, the case cooler and the air suction type smoke fire detector stop working, the cabinet door is opened, and meanwhile, the stop valve 10 is in an open state. Vortex tube 1 gets into the switch board cabinet body through tee bend A2, stop valve 10 and tee bend B15 along the breathing pipe to compressed air 5, then outside discharging the switch board cabinet body through the cabinet door, just so played the effect of washing intake pipe 13, breathing pipe and filter, can guarantee the cleanliness promptly, can prevent again that the formula of breathing in smoke fire detector leads to the precision of its sample air because of the entering of impurity such as impurity and dust, avoided the formula of breathing in smoke fire detector's malfunction. The stop valve can be manually controlled and can be washed at any time.
Claims (3)
1. The utility model provides a switch board with compressed air cooling and formula fire detector of breathing in which characterized in that: the smoke and fire detector comprises an air compressor, a vortex tube (1), a tee joint A (2), a chassis cooler (3), a power distribution cabinet body (7), an exhaust pipe (11), a suction type smoke and fire detector (12), an air inlet pipe (13), a filter (14), a tee joint B (15) and an air suction pipe (16); the top of the power distribution cabinet body (7) is equipped with machine case cooler (3) and air suction type smoke fire detector (12), the cooling air outlet of machine case cooler (3) stretches into in the power distribution cabinet body (7), vortex tube (1) one end is connected with the air compressor machine, the other end is connected with tee bend A (2) one end and is divided into two the tunnel after being connected, be connected with machine case cooler (3) all the way, another way is connected with the one end of tee bend B (15) and is divided into two the tunnel after being connected, one way is passed through intake pipe (13) and is connected with air suction type smoke fire detector (12), another way passes through intake pipe (16) and is linked together with power distribution cabinet body (7), intake pipe (13) department is equipped with filter (14), be equipped with blast pipe (11) on air suction type smoke fire detector (12).
2. A cabinet with a compressed air cooled and aspirating fire detector according to claim 1, characterized in that: the tee joint A (2) is connected with one end of the tee joint B (15) through a connecting pipeline (9), and a stop valve (10) is arranged on the connecting pipeline (9).
3. A cabinet with a compressed air cooled and aspirating fire detector according to claim 1 or 2, characterized in that: a fuse (18), a contactor (19), a capacitor (20) and a reactor (21) are arranged in the power distribution cabinet body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801949.3U CN215733037U (en) | 2021-08-04 | 2021-08-04 | Power distribution cabinet with compressed air cooling and air suction type fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801949.3U CN215733037U (en) | 2021-08-04 | 2021-08-04 | Power distribution cabinet with compressed air cooling and air suction type fire detector |
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| Publication Number | Publication Date |
|---|---|
| CN215733037U true CN215733037U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121801949.3U Active CN215733037U (en) | 2021-08-04 | 2021-08-04 | Power distribution cabinet with compressed air cooling and air suction type fire detector |
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| Country | Link |
|---|---|
| CN (1) | CN215733037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024086485A1 (en) * | 2022-10-19 | 2024-04-25 | Ge Infrastructure Technology Llc | Gas turbine fire detection system including cooling system upstream of aspirating smoke detector, and related method |
-
2021
- 2021-08-04 CN CN202121801949.3U patent/CN215733037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024086485A1 (en) * | 2022-10-19 | 2024-04-25 | Ge Infrastructure Technology Llc | Gas turbine fire detection system including cooling system upstream of aspirating smoke detector, and related method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063000 south of North Ring Road and east of Yingkou Road, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: Jinyu Electric (Tangshan) Co.,Ltd. Address before: 063000 south of North Ring Road and east of Yingkou Road, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee before: TANGSHAN DUNSHI ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |