CN215449544U - Low-current grounding line selection device - Google Patents
Low-current grounding line selection device Download PDFInfo
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- CN215449544U CN215449544U CN202121345576.3U CN202121345576U CN215449544U CN 215449544 U CN215449544 U CN 215449544U CN 202121345576 U CN202121345576 U CN 202121345576U CN 215449544 U CN215449544 U CN 215449544U
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- line selection
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Abstract
The utility model discloses a low-current grounding line selection device which comprises a grounding line selection cabinet, wherein a protective door is hinged to the front side of the grounding line selection cabinet, an operating panel, an observation window, a drawer lock and a handle are respectively arranged on the surface of the protective door, a primary cooling mechanism, a secondary cooling mechanism and a protective mechanism are respectively arranged inside the grounding line selection cabinet, the primary cooling mechanism respectively comprises a fan and a buffer box which are fixedly connected to the right wall in the grounding line selection cabinet, and the air inlet end of the fan is communicated with the buffer box through a pipeline. This undercurrent ground connection route selection device through setting up the temperature-sensing ware, can respond to the inside temperature of ground connection route selection cabinet, and when the temperature exceeded the one-level settlement temperature, single chip microcomputer control started the fan, reached the radiating purpose of cooling down to ground connection route selection cabinet inside, and when the temperature exceeded the second grade settlement temperature, the refrigerator started, utilized refrigeration coil to refrigerate ventilation air, and the radiating effect of reinforcing cooling ensures ground connection route selection cabinet normal use.
Description
Technical Field
The utility model relates to the technical field of power systems, in particular to a low-current grounding line selection device.
Background
In China, a 6-35 kV power supply system usually adopts a small-current grounding system, wherein most of the small-current grounding systems are neutral point ungrounded systems or arc suppression coil grounding systems. Therefore, China pays great attention to the single-phase grounding protection principle of a small-current grounding system and the research work of the device.
The existing low-current grounding line selection device is poor in heat dissipation performance, when the temperature is larger than the allowable working temperature range of the device, the service life of the device is shortened, safety accidents can be caused, dust in the external environment can enter the device while heat dissipation is carried out, and on the other hand, the existing low-current grounding line selection device is lack of safety protection functions.
Therefore, the utility model provides a low-current grounding line selection device.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a low current grounding line selection device to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: a small-current grounding line selection device comprises a grounding line selection cabinet, wherein a protective door is hinged to the front side of the grounding line selection cabinet, an operating panel, an observation window, a drawer lock and a handle are respectively arranged on the surface of the protective door, a primary cooling mechanism, a secondary cooling mechanism and a protective mechanism are respectively arranged inside the grounding line selection cabinet, the primary cooling mechanism respectively comprises a fan and a buffer box which are fixedly connected to the right wall in the grounding line selection cabinet, the air inlet end of the fan is communicated with the buffer box through a pipeline, the bottom end of the buffer box is in threaded connection with an air inlet filter pipe extending to the outside of the grounding line selection cabinet, the air outlet end of the fan is fixedly connected with an air outlet pipe, and an exhaust pipe is embedded in the bottom end of the grounding line selection cabinet;
protection machanism includes the temperature-sensing ware of fixed connection roof in the ground connection route selection cabinet, and the top fixedly connected with carbon dioxide storage tank of ground connection route selection cabinet, the end of giving vent to anger of carbon dioxide storage tank are provided with the outlet duct, and the surface of outlet duct is provided with the solenoid valve, and the end of giving vent to anger of outlet duct extends to the inside and the fixedly connected with branch gas calandria of ground connection route selection cabinet, and the downside of branch gas calandria is provided with the gas vent.
Preferably, the second-level cooling mechanism comprises a refrigerator fixedly connected to the right side wall of the grounding line selection cabinet, a refrigerating coil is arranged at the output end of the refrigerator, and the refrigerating coil is arranged inside the buffer box.
Preferably, a single chip microcomputer is arranged inside the operation panel, and the operation panel is electrically connected with an external power supply.
Preferably, the inside of air inlet filter tube is from top to bottom metal protection net, dust filter screen and active carbon filter layer, and the end of giving vent to anger of blast pipe is provided with the same metal protection net with air inlet filter tube inside.
Preferably, the surface of the grounding line selection cabinet is sprayed with insulating paint, and the surface of the insulating paint is sprayed with an anti-corrosion coating.
Preferably, the bottom of the grounding line selection cabinet is provided with a support frame, and the bottom of the support frame is fixedly connected with a mounting plate.
Advantageous effects
The utility model provides a low-current grounding line selection device, which has the following beneficial effects:
1. this undercurrent ground connection route selection device through setting up the temperature-sensing ware, can respond to the inside temperature of ground connection route selection cabinet, and when the temperature exceeded the one-level settlement temperature, single chip microcomputer control started the fan, reached the radiating purpose of cooling down to ground connection route selection cabinet inside, and when the temperature exceeded the second grade settlement temperature, the refrigerator started, utilized refrigeration coil to refrigerate ventilation air, and the radiating effect of reinforcing cooling ensures ground connection route selection cabinet normal use.
2. This undercurrent ground connection route selection device, through setting up carbon dioxide storage tank and solenoid valve, when ground connection route selection cabinet inside temperature surpassed and set for tertiary temperature, prove that the ground connection route selection cabinet is inside to have appeared the phenomenon of catching fire, the solenoid valve is opened in control, the inside carbon dioxide of carbon dioxide storage tank sprays from top to bottom from the branch gas calandria, thereby reached and fired the purpose of putting out a fire to the electrical apparatus, the security of equipment usage has been strengthened, through set up metal protection network respectively in the inside at the air inlet filter tube, dust filter screen and active carbon filter layer, can avoid in dust and the air steam gets into ground connection route selection cabinet, make ground connection route selection cabinet can the safe handling.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic view of the front cross-section of the intake air filter tube of the present invention.
In the figure: the device comprises a ground wire selecting cabinet 1, a protective door 2, an operation panel 3, an observation window 4, a fan 5, a buffer box 6, an air inlet filter pipe 7, an exhaust pipe 8, an air outlet pipe 9, a temperature sensor 10, a carbon dioxide storage tank 11, an air distribution exhaust pipe 12, a refrigerator 13, a refrigeration coil 14, a metal protective net 15, a dust filter screen 16, an active carbon filter layer 17, a support frame 18 and a mounting plate 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a undercurrent ground connection route selection device, including ground connection route selection cabinet 1, the surface spraying of ground connection route selection cabinet 1 has insulating varnish, insulating varnish's surface spraying has anticorrosive coating, the front of ground connection route selection cabinet 1 articulates there is guard gate 2, the surface of guard gate 2 is provided with operating panel 3 respectively, observation window 4, drawer lock and handle, operating panel 3's inside is provided with the singlechip, operating panel 3 and external power source electric connection, the bottom of ground connection route selection cabinet 1 is provided with support frame 18, the bottom fixedly connected with mounting panel 19 of support frame 18.
The inside of ground connection route selection cabinet 1 is provided with one-level cooling mechanism respectively, second grade cooling mechanism and protection machanism, one-level cooling mechanism includes fan 5 and buffer box 6 of fixed connection right wall in the ground connection route selection cabinet 1 respectively, the air inlet end of fan 5 is linked together through pipeline and buffer box 6, the bottom threaded connection of buffer box 6 has the air inlet filter tube 7 that extends to the outside of ground connection route selection cabinet 1, the air-out end fixedly connected with of fan 5 goes out tuber pipe 9, the bottom of ground connection route selection cabinet 1 is inlayed and is equipped with blast pipe 8, second grade cooling mechanism includes the refrigerator 13 of fixed connection at the 1 right side wall of ground connection route selection cabinet, the output of refrigerator 13 is provided with refrigeration coil 14, refrigeration coil 14 sets up the inside at buffer box 6.
This undercurrent ground connection route selection device, through setting up temperature-sensing ware 10, can respond to the inside temperature of ground selection line cabinet 1, when the temperature surpassed one-level settlement temperature, single chip microcomputer control starts fan 5, reach the radiating purpose of cooling down to the inside of ground selection line cabinet 1, when the temperature surpassed second grade settlement temperature, refrigerator 13 started, utilize refrigeration coil 14 to refrigerate the inside circulating air of buffer box 6, strengthen the radiating effect of cooling down, ensure ground connection selection line cabinet 1 normal use.
The inside of air inlet filter tube 7 is metal protection net 15, dust filter screen 16 and active carbon filter layer 17 from top to bottom, and the end of giving vent to anger of blast pipe 8 is provided with the same metal protection net 15 with air inlet filter tube 7 inside, through set up metal protection net 15, dust filter screen 16 and active carbon filter layer 17 respectively in the inside of air inlet filter tube 7, can avoid in dust and the steam in the air gets into ground connection selection line cabinet 1, makes ground connection selection line cabinet 1 can the safe handling.
The protection mechanism comprises a temperature sensor 10 fixedly connected to the inner top wall of the grounding line selection cabinet 1, a carbon dioxide storage tank 11 is fixedly connected to the top of the grounding line selection cabinet 1, an air outlet pipe is arranged at the air outlet end of the carbon dioxide storage tank 11, an electromagnetic valve is arranged on the surface of the air outlet pipe, the air outlet end of the air outlet pipe extends into the grounding line selection cabinet 1 and is fixedly connected with an air distribution calandria 12, an air outlet is arranged at the lower side of the air distribution calandria 12, and the carbon dioxide storage tank 11 and the electromagnetic valve are arranged, when the temperature in the grounding wire selecting cabinet 1 exceeds the set three-level temperature, the phenomenon of fire in the grounding wire selecting cabinet 1 is proved, the electromagnetic valve is controlled to be opened, the carbon dioxide in the carbon dioxide storage tank 11 is sprayed out from the gas distribution calandria 12, the ground wire selecting cabinet 1 is internally sprayed from top to bottom, so that the purpose of extinguishing fire of an electric appliance is achieved, and the use safety of equipment is enhanced.
The working principle is as follows: when the low-current grounding line selection device is used, the temperature inside the grounding line selection cabinet 1 can be sensed through the temperature sensor 10, when the temperature exceeds the primary set temperature, the single-chip microcomputer inside the operation panel 3 controls the starting fan 5 to achieve the purpose of cooling and radiating the inside of the grounding line selection cabinet 1, when the temperature exceeds the secondary set temperature, the refrigerator 13 is started, the circulating air inside the buffer box 6 is refrigerated through the refrigerating coil 14, the cooling and radiating effects are enhanced, the normal use of the grounding line selection cabinet 1 is ensured, through the carbon dioxide storage tank 11 and the electromagnetic valve, when the temperature inside the grounding line selection cabinet 1 exceeds the tertiary set temperature, the phenomenon of fire ignition inside the grounding line selection cabinet 1 is proved, the electromagnetic valve is controlled to be opened, carbon dioxide inside the carbon dioxide storage tank 11 is sprayed out from the gas distribution pipe 12 to spray the inside the grounding line selection cabinet 1 from top to bottom, thereby reached the purpose of putting out a fire to electrical apparatus, strengthened the security of equipment usage, set up metal protection net 15, dust filter screen 16 and active carbon filter layer 17 respectively through the inside at air inlet filter tube 7, can avoid in dust and the steam in the air gets into ground connection selection line cabinet 1, make the use that ground connection selection line cabinet 1 can be safer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a undercurrent ground connection route selection device, includes ground connection route selection cabinet (1), its characterized in that: the front of the grounding wire selecting cabinet (1) is hinged with a protective door (2), the surface of the protective door (2) is provided with an operating panel (3), an observation window (4), a drawer lock and a handle respectively, the inside of the grounding wire selecting cabinet (1) is provided with a primary cooling mechanism, a secondary cooling mechanism and a protective mechanism respectively, the primary cooling mechanism comprises a fan (5) and a buffer box (6) which are fixedly connected to the inner right wall of the grounding wire selecting cabinet (1), the air inlet end of the fan (5) is communicated with the buffer box (6) through a pipeline, the bottom end of the buffer box (6) is in threaded connection with an air inlet filter pipe (7) extending to the outside of the grounding wire selecting cabinet (1), the air outlet end of the fan (5) is fixedly connected with an air outlet pipe (9), and the bottom end of the grounding wire selecting cabinet (1) is embedded with an exhaust pipe (8);
protection machanism includes temperature-sensing ware (10) of roof in ground connection selection line cabinet (1), and the top fixedly connected with carbon dioxide storage tank (11) of ground connection selection line cabinet (1), the end of giving vent to anger of carbon dioxide storage tank (11) are provided with the outlet duct, and the surface of outlet duct is provided with the solenoid valve, and the end of giving vent to anger of outlet duct extends to the inside and the fixedly connected with branch gas row pipe (12) of ground connection selection line cabinet (1), and the downside of branch gas row pipe (12) is provided with the gas vent.
2. A low current ground selection device according to claim 1, wherein: the secondary cooling mechanism comprises a refrigerator (13) fixedly connected to the right side wall of the grounding line selection cabinet (1), a refrigerating coil (14) is arranged at the output end of the refrigerator (13), and the refrigerating coil (14) is arranged inside the buffer box (6).
3. A low current ground selection device according to claim 1, wherein: the internal of the operation panel (3) is provided with a singlechip, and the operation panel (3) is electrically connected with an external power supply.
4. A low current ground selection device according to claim 1, wherein: the inside of air inlet filter tube (7) is from top to bottom metal protection net (15), dust filter screen (16) and active carbon filter layer (17), and the end of giving vent to anger of blast pipe (8) is provided with the same metal protection net (15) with air inlet filter tube (7) inside.
5. A low current ground selection device according to claim 1, wherein: insulating paint is sprayed on the surface of the grounding line selection cabinet (1), and an anti-corrosion coating is sprayed on the surface of the insulating paint.
6. A low current ground selection device according to claim 1, wherein: the bottom of ground connection route selection cabinet (1) is provided with support frame (18), and the bottom fixedly connected with mounting panel (19) of support frame (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121345576.3U CN215449544U (en) | 2021-06-16 | 2021-06-16 | Low-current grounding line selection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121345576.3U CN215449544U (en) | 2021-06-16 | 2021-06-16 | Low-current grounding line selection device |
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| CN215449544U true CN215449544U (en) | 2022-01-07 |
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| CN202121345576.3U Active CN215449544U (en) | 2021-06-16 | 2021-06-16 | Low-current grounding line selection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799663A (en) * | 2022-03-04 | 2023-09-22 | 杨嗣文 | Energy-saving power distribution cabinet |
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2021
- 2021-06-16 CN CN202121345576.3U patent/CN215449544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799663A (en) * | 2022-03-04 | 2023-09-22 | 杨嗣文 | Energy-saving power distribution cabinet |
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