CN211209160U - Cable pit temperature and humidity measurement and heat abstractor - Google Patents
Cable pit temperature and humidity measurement and heat abstractor Download PDFInfo
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- CN211209160U CN211209160U CN202020041455.9U CN202020041455U CN211209160U CN 211209160 U CN211209160 U CN 211209160U CN 202020041455 U CN202020041455 U CN 202020041455U CN 211209160 U CN211209160 U CN 211209160U
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- temperature
- cable trench
- cable
- microcontroller
- humidity detection
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Abstract
The utility model discloses a temperature and humidity detection and heat dissipation device for a cable trench, which comprises a temperature and humidity detection device and a microcontroller which are arranged at the fireproof plugging position in the cable trench, wherein the microcontroller is connected with a central monitoring center or a remote control unit through a communication device, and a heat dissipation device connected with the microcontroller is also arranged on the cable trench; increase temperature and humidity detection device at different shutoff sections, temperature and humidity detection device can be to the humidity in the cable pit, real-time supervision is carried out to the temperature, the information transfer who will gather through communication device is to central monitoring room or remote control unit, when the temperature, when humidity reaches the unable tolerable threshold value of cable, real-time data transmission to central monitoring center or remote control unit through communication device with monitoring, central monitoring room or remote control unit send command signal to microcontroller through communication device, microcontroller control heat abstractor begins work, carry out the hot air exchange with the external world, with the temperature in the reduction cable pit.
Description
Technical Field
The utility model relates to a power transmission and transformation field, concretely relates to cable pit temperature and humidity measurement and heat abstractor.
Background
Since the power cable generates heat when passing a certain load current during operation, the surface temperature of the cable increases as the load current increases. If the heat dissipation effect at the cable trench or the cable joint is not good, the insulation performance of the cable is affected, and even a fire disaster is caused. Meanwhile, the cable can generate a large amount of smoke and harmful HCl gas in the combustion process, and the harmful HCl gas is harmful to human bodies. Furthermore, the fire caused by the cable may expand the accidents of the power transmission and transformation system, causing larger industrial accidents.
In the transformer substation, cable laying generally adopts the mode of laying of cable pit support, simultaneously, in order to prevent the accident and enlarge, generally can adopt the cable to prevent fires the shutoff. However, after the fireproof plugging is performed, the temperature and the humidity in the cable trench are not easy to diffuse, and the industrial condensation is easy, so that the insulation of the cable head is reduced and even a short-circuit fault is caused after the condensation is accumulated more.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model aims to provide a cable pit temperature and humidity measurement and heat abstractor monitors cable pit temperature, humidity to cool down, the prevention occurence of failure to the cable pit.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a cable pit temperature and humidity measurement and heat abstractor, is including installing the temperature and humidity measurement device of fire prevention shutoff department in the cable pit, installs the microcontroller in the cable pit, and microcontroller is connected with communication device, and temperature and humidity measurement device is connected with microcontroller, and microcontroller passes through communication device and central monitoring center or remote control unit communication, still is provided with heat abstractor on the cable pit.
Further, heat abstractor is circular ventiduct, ventiduct one end extends outside the cable pit, the other end is located the cable pit and upwards extends and be provided with evenly distributed's air vent on its lateral wall.
Further, an axial flow fan controlled by a microcontroller is arranged in the air duct of the circular air duct.
Furthermore, an umbrella-shaped rainproof device is installed at the outer port of the ventilation channel.
Furthermore, a conical water outlet is formed in the bottom of the air duct, and a drying agent is placed in the conical water outlet.
Furthermore, the heat dissipation device comprises a cable trench automatic turning cover plate opened through a hydraulic connecting rod device, and the hydraulic connecting rod device is connected with a driving device controlled by a microcontroller.
Further, the automatic cable trench cover turning plate comprises a cable trench cover opening part hinged with the cable trench cover opening shaft, and the cable trench cover opening part is connected with the hydraulic connecting rod device.
Further, the temperature and humidity detection device is a temperature and humidity sensor.
The utility model discloses beneficial effect as follows:
the utility model discloses in different according to the shutoff section, be equipped with temperature and humidity detection device at different shutoff sections, solve the temperature and humidity detection problem of the different shutoff sections of cable pit, temperature and humidity detection device can be to the humidity in the cable pit, real-time supervision is carried out to the temperature, information transfer who will gather through communication device arrives central monitoring room or remote control unit, when the cable generates heat or other reasons arouse to generate heat or the conflagration, central monitoring room or remote control unit can be with the information transfer who gathers to transformer substation fire alarm center, control cable pit temperature, humidity, the prevention occurence of failure, the accident warning effect is played.
Still be provided with the heat abstractor who is connected with microcontroller on the cable pit, when temperature, humidity reach the unable tolerable threshold value of cable, temperature and humidity detection device passes through communication device and sends the real-time data that monitor to central monitoring center or remote control unit, central monitoring room or remote control unit go into analysis and judgement, send command signal to microcontroller through communication device, microcontroller control heat abstractor begins work, carry out the hot-air exchange with the external world, with the temperature in reducing the cable pit, avoid the conflagration to take place.
Furthermore, in order to solve the problems that the space in the cable trench is unreasonable in design, the cable temperature system is unreasonable in selection, or the space is insufficient due to newly added laying cables in the original cable trench, so that the temperature in the cable trench is continuously too high, the heat dissipation device is a circular air duct, and one end of the air duct extends out of the cable trench; the other end is positioned in the cable trench and extends upwards, and the side wall is provided with vent holes which are uniformly distributed, so that hot air can flow and exchange with the outside, and the purpose of cooling is achieved.
Furthermore, in order to solve the problem that harmful gas and smoke are filled in the cable trench after the cable trench is ignited, an axial flow fan is additionally arranged in the circular ventilation duct and linked with a temperature and humidity detection device in the cable trench, and the axial flow fan is controlled by the microcontroller to be started in due time.
Furthermore, in order to prevent rainwater and sand outside the trench from entering the air duct, an umbrella-shaped rain-proof device is installed at the port of the air duct outside the cable trench.
Furthermore, in order to solve the problems that the cable trench is closed for a long time, water vapor is increased and cannot be discharged through the air duct, a conical water outlet is formed in the lower end of the air duct, and a drying agent is arranged in the conical water outlet.
Furthermore, when the temperature and the humidity reach the threshold value that the cable can not tolerate, the temperature and humidity detection device sends monitored real-time data to a central monitoring center or a remote control unit through a communication device, a central monitoring room or a remote control unit sends an instruction signal to a microcontroller through the communication device, the microcontroller controls a driving device to work, a hydraulic connecting rod device is controlled by the driving device, the hydraulic connecting rod device opens an automatic cable trench cover turning plate and exchanges hot air with the outside so as to reduce the temperature in the cable trench.
Furthermore, the cable trench cover opening part is automatically opened through the hydraulic connecting rod device and is linked with the temperature and humidity detection device in the trench, and the cable trench cover opening part can be automatically opened through the hydraulic connecting rod device when the temperature is high.
Furthermore, the temperature and humidity sensor can synchronously detect and transmit the temperature and the humidity in the cable duct.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is the profile view of the ventilation duct and cable trench
FIG. 3 is a schematic view of an automatically opening cable cover
FIG. 4 is a schematic block diagram of a micro control system of the present invention
In the figure: 1. a central monitoring center or a remote control unit; 2. a temperature and humidity detection device; 3. a communication device; 4. an air duct; 5. fireproof plugging is carried out in the cable trench; 6. the method comprises the following steps of (1) automatically turning a cover plate of a cable trench, (7) umbrella-shaped rain-proof devices, (8) internal supports of the cable trench, (9) power cables and (10) an axial flow fan; 11. a conical water outlet, 12 air holes, 13 a cable trench cover plate opening shaft, 14 a hydraulic connecting rod device; 15. a cable trench cover opening part; 16. a cable trench cover fixing part; 17. the cable trench wall.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples, which should not be construed as limiting the invention.
Referring to fig. 1 and 4, the utility model discloses a temperature and humidity detection device 2 who installs at cable pit fire prevention shutoff 5 department is put, install the microcontroller in the cable pit, the microcontroller is connected with communication device 3, temperature and humidity detection device 2 is connected with the microcontroller, the microcontroller passes through communication device 3 and central monitoring center or remote control unit 1 communication, still is provided with heat abstractor on the cable pit, heat abstractor include the automatic flip board 6 of cable pit opened through hydraulic link device 14, hydraulic link device 14 receive drive arrangement's control, drive arrangement links to each other with the microcontroller, temperature and humidity detection device 2 be the temperature and humidity sensor who carries out synchronous detection to temperature, humidity in the cable pit; in order to meet the requirements of central hub-level transformation stations of 220kV, 330kV, 500kV, 750kV and the like, an automatic fire extinguishing device connected with a microcontroller can be arranged in the cable trench.
Referring to fig. 2, a power cable 9 is placed on a cable trench inner support 8, and a temperature and humidity detection device 2 is arranged at the end of the cable trench inner support 8; in order to solve the cable pit inner space design unreasonable, perhaps cable temperature system selects unreasonablely, perhaps former cable pit newly-increased laying cable leads to the space not enough, leads to the cable pit inner temperature to last too high, heat abstractor is circular ventiduct 4, and 4 one ends of ventiduct are located the cable pit and upwards extend and are provided with evenly distributed's air vent 12 on the wind channel lateral wall, and outside the other end extended to the cable pit, can carry out the air exchange with the external world, reach the purpose of cooling.
In order to prevent rainwater and sand outside the trench from entering the air duct 4, an umbrella-shaped rainproof device 7 is arranged at the port of the air duct 4 outside the cable trench; in order to solve the problem that harmful gas and smoke are filled in the cable trench after the cable trench is ignited, an axial flow fan 10 is installed in an air duct of the air duct 4, and the axial flow fan 10 is controlled by a microcontroller; in order to solve the problems that the cable trench is closed for a long time, water vapor is increased, and the water vapor cannot be discharged through the air duct, a conical water outlet 11 is arranged at the lower end of the air duct, and a drying agent is arranged in the conical water outlet 11.
Referring to fig. 3, the cable trench automatic flap 6 is arranged in a cable trench wall 17 and close to a fireproof plug 5 in the cable trench, and comprises a cable trench cover opening part 15 hinged with a cable trench cover opening shaft 13, the cable trench cover opening part 15 is communicated with a hydraulic link device 14 and linked with a temperature and humidity detection device 2 in the trench, when the temperature is high, a central monitoring room or a remote control unit sends an instruction signal to a microcontroller through a communication device 3, the microcontroller controls a driving device to act, the hydraulic link device is controlled by the driving device, the hydraulic link device opens the cable trench cover opening part 15, and the heat and air exchange is carried out with the outside to reduce the temperature in the cable trench; the cable trench automatic cover-turning plate 6 further includes a cable trench cover fixing portion 16.
The working process of the utility model is as follows:
install in hub level transformer station or the not enough cable pit of former capacity of transformation the utility model discloses the device, temperature risees in the cable pit, humidity in temperature and humidity detection device 2 is to the cable pit, the temperature carries out real-time supervision and will detect and obtain signal transmission for microcontroller, real-time data transmission to central monitoring center or remote control unit 1 that will monitor through communication device 3, when the cable generates heat or other reasons arouse to generate heat or during the conflagration, central monitoring center or remote control unit 1 can convey the humiture condition to transformer substation fire alarm center, play accident warning effect.
When the temperature and the humidity reach the threshold value which can not be endured by the power cable 9, the temperature and the humidity in the cable trench are linked with the temperature and humidity detection device 2 in the cable trench, the monitored real-time data are sent to the central monitoring center or the remote control unit 1 through the communication device 3, the central monitoring room or the remote control unit 1 sends an instruction signal to the microcontroller through the communication device 3, the hydraulic link device 14 is controlled by the driving device, the automatic cable trench turning cover plate 6 is opened, the hot air exchange is carried out with the outside, the temperature in the cable trench is reduced, and the accident prevention effect is achieved.
When a fire disaster occurs, harmful gas and smoke are filled in the cable trench and are linked with the temperature and humidity detection device 2 in the cable trench, the central monitoring room or the remote control unit 1 sends an instruction signal to the microcontroller through the communication device 3, the axial flow fan 10 is started in time to ventilate and strengthen the heat dissipation of the harmful gas and the smoke in the ventilation duct 4, and meanwhile, the central monitoring room or the remote control unit 1 processes initial accidents through the automatic fire extinguishing device in the linkage trench.
To sum up, this embodiment cable pit temperature detects and heat abstractor can solve the too high problem of temperature in the cable pit well, can play the effect of detection, early warning and initial stage processing to different accident development stages in the cable pit. In addition, this utility model device easily installs, possesses dehumidification, waterproof function to have data acquisition, transmission analysis function concurrently.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (8)
1. The utility model provides a cable pit temperature and humidity measurement and heat abstractor which characterized in that: the temperature and humidity detection device comprises a temperature and humidity detection device (2) arranged at a fireproof plug (5) in a cable trench and a microcontroller arranged in the cable trench, wherein the microcontroller is connected with a communication device (3), the temperature and humidity detection device (2) is connected with the microcontroller, the microcontroller is communicated with a central monitoring center or a remote control unit (1) through the communication device (3), and a heat dissipation device is further arranged on the cable trench.
2. The cable trench temperature and humidity detection and heat dissipation device of claim 1, wherein: the heat dissipation device is a circular ventilation duct (4), one end of the ventilation duct (4) extends out of the cable trench, the other end of the ventilation duct is located in the cable trench and extends upwards, and air holes (12) which are uniformly distributed are formed in the side wall of the ventilation duct.
3. The cable trench temperature and humidity detection and heat dissipation device of claim 2, wherein: an axial flow fan (10) controlled by a microcontroller is arranged in the air duct of the circular air duct (4).
4. The cable trench temperature and humidity detection and heat dissipation device of claim 3, wherein: an umbrella-shaped rainproof device (7) is installed at the external port of the air duct (4).
5. The cable trench temperature and humidity detection and heat dissipation device of claim 2, wherein: the bottom of the ventilation channel (4) is provided with a conical water outlet (11), and a drying agent is placed in the conical water outlet (11).
6. The cable trench temperature and humidity detection and heat dissipation device of claim 1, wherein: the heat dissipation device comprises a cable trench automatic turning cover plate (6) opened through a hydraulic connecting rod device (14), and the hydraulic connecting rod device (14) is connected with a driving device controlled by a microcontroller.
7. The cable trench temperature and humidity detection and heat dissipation device of claim 6, wherein: the cable trench automatic turning cover plate (6) comprises a cable trench cover plate opening portion (15) hinged with a cable trench cover plate opening shaft (13), and the cable trench cover plate opening portion (15) is connected with a hydraulic connecting rod device (14).
8. The cable trench temperature and humidity detection and heat dissipation device of any one of claims 1 to 7, wherein: the temperature and humidity detection device is a temperature and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020041455.9U CN211209160U (en) | 2020-01-09 | 2020-01-09 | Cable pit temperature and humidity measurement and heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020041455.9U CN211209160U (en) | 2020-01-09 | 2020-01-09 | Cable pit temperature and humidity measurement and heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211209160U true CN211209160U (en) | 2020-08-07 |
Family
ID=71857600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020041455.9U Expired - Fee Related CN211209160U (en) | 2020-01-09 | 2020-01-09 | Cable pit temperature and humidity measurement and heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211209160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245827A (en) * | 2020-10-14 | 2021-01-22 | 胡彬 | From open-type cable pit fire prevention top cap |
-
2020
- 2020-01-09 CN CN202020041455.9U patent/CN211209160U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245827A (en) * | 2020-10-14 | 2021-01-22 | 胡彬 | From open-type cable pit fire prevention top cap |
| CN112245827B (en) * | 2020-10-14 | 2021-10-22 | 嘉兴市玖玛兰科技有限公司 | From open-type cable pit fire prevention top cap |
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| 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: 20200807 Termination date: 20210109 |