CN212968718U - Emergency distribution transformer power supply system - Google Patents
Emergency distribution transformer power supply system Download PDFInfo
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- CN212968718U CN212968718U CN202021551363.1U CN202021551363U CN212968718U CN 212968718 U CN212968718 U CN 212968718U CN 202021551363 U CN202021551363 U CN 202021551363U CN 212968718 U CN212968718 U CN 212968718U
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- 238000009826 distribution Methods 0.000 title claims abstract description 36
- 230000009466 transformation Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 206010014357 Electric shock Diseases 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
本实用新型提供了一种应急配变供电系统，属于电网运维技术领域，包括运载车、连接组件、接地装置和防护组件，运载车用于运载临时变压器，连接组件用于将临时变压器接入供电线路，接地装置用于将临时变压器接地，防护组件用于在作业现场划定禁入区域，禁入区域至少包括运载车、连接组件和接地装置所在的区域；本实用新型提供的应急配变供电系统，能够解决变压器出现故障后，处理故障过程中停电时间较长的技术问题。
The utility model provides an emergency distribution and transformation power supply system, belonging to the technical field of power grid operation and maintenance, comprising a carrier vehicle, a connection component, a grounding device and a protection component. The power supply line, the grounding device is used to ground the temporary transformer, and the protective component is used to demarcate the forbidden area on the job site, and the forbidden area includes at least the area where the carrier vehicle, the connecting component and the grounding device are located; The power supply system can solve the technical problem that the power outage time is longer in the process of dealing with the failure of the transformer after the failure of the transformer.
Description
Technical Field
The utility model belongs to the technical field of the electric wire netting fortune dimension, more specifically say, relate to an emergent power supply system that joins in marriage.
Background
With the improvement of the quality of life, people purchase more and more household appliances, the capacity of transformers originally installed in old communities is relatively small, and the increasing power load cannot be met, so that faults such as transformer burnout occur. Once the transformer is burnt out, the replacement of a new transformer can be carried out for 8-9 hours at the fastest speed, the power failure time is long, and great inconvenience is brought to life of people. At present, the method for solving the problems generally utilizes a temporary power generation device to generate power, but the temporary power generation device has high power generation cost and small power generation amount and cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an emergent distribution transformer power supply system aims at solving the transformer and breaks down the back, the longer technical problem of processing fault in-process power off time.
In order to achieve the above object, the utility model adopts the following technical scheme: the emergency distribution transformer power supply system comprises a carrier loader, a connecting assembly, a grounding device and a protection assembly;
the carrying vehicle is used for carrying a temporary transformer;
the connecting assembly is used for connecting the temporary transformer into a power supply line;
the grounding device is used for grounding the temporary transformer;
the protection assembly is used for defining a forbidden area on a working site, and the forbidden area at least comprises an area where the carrier vehicle, the connecting assembly and the grounding device are located.
As another embodiment of this application, still load power metering box and switch board in the carrier loader, power metering box and switch board are used for connecting between the low pressure side wire of temporary transformer and power supply line, power metering box is used for measuring the power consumption, the switch board is used for controlling the break-make of power supply line.
As another embodiment of the present application, the carrier vehicle is a motor vehicle and is provided with a carrying compartment, the carrying compartment is provided with at least one compartment door capable of being opened and closed, and the temporary transformer is arranged in the carrying compartment.
As another embodiment of the application, the carrier loader is provided with an illuminating lamp and a mobile power supply for supplying power to the illuminating lamp.
As another embodiment of the present application, the connection assembly is composed of a plurality of connection units, and the connection units are used for connecting the high-voltage terminal of the temporary transformer with the high-voltage side lead of the power supply line, or connecting the low-voltage terminal of the temporary transformer with the low-voltage side lead of the power supply line.
As another embodiment of this application, the linkage unit includes the peg, the head end of peg is equipped with the attach head that is used for connecting the power supply line wire, the trailing end connection of peg has first power cable, first power cable's the other end is connected temporary transformer's high-voltage terminal or low-voltage terminal.
As another embodiment of this application, be equipped with the arc wall that is used for pasting tight power supply line wire on the attach fitting, the arc wall is followed the length direction of power supply line wire extends, be equipped with the balancing weight on the peg.
As another embodiment of this application, earthing device include the holding head and with the second power cable that the holding head is connected, the holding head includes the U-shaped body and sets up screw rod on a side arm of the U-shaped body, the one end of screw rod is equipped with the briquetting, the briquetting is used for being close to or keeping away from another side arm of the U-shaped body to press from both sides tightly or loosen external object, the briquetting with the crossbeam slip joint of the U-shaped body, the crossbeam is connected two respectively the one end of side arm.
As another embodiment of this application, earthing device still includes and is used for inserting underground stock, the briquetting and with the briquetting sets up relatively be equipped with on the side arm with the laminating groove of stock shape adaptation.
As another embodiment of the application, the protection component consists of a plurality of warning boards and movable fences.
Compared with the prior art, the emergency distribution transformer power supply system provided by the utility model has the advantages that after the existing transformer fails, the temporary transformer can be transported to the location of the fault transformer through the carrying vehicle; the temporary transformer is grounded through the grounding assembly, and the operation site is surrounded through the protection assembly, so that an entrance-forbidding area is defined, and other personnel except professional power personnel with operation capacity are prevented from entering the operation site to cause electric shock danger and interference operation; after the preparation work is finished, the temporary transformer is connected to the existing power supply line through the connecting assembly, so that the temporary transformer can temporarily replace the fault transformer to finish the task of voltage conversion, and the power supply line can normally supply power during the maintenance or replacement period of the fault transformer; the utility model provides an emergent distribution transformer power supply system's deployment time is less than the maintenance or the change time of trouble transformer greatly, consequently can shorten the power off time, reduces the influence that transformer trouble caused to people's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural component diagram of an emergency distribution transformer power supply system provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection unit in an emergency distribution transformer power supply system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a grounding device in an emergency distribution transformer power supply system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a grounding device in an emergency distribution transformer power supply system according to another embodiment of the present invention.
In the figure: 1. a carrier loader; 2. a temporary transformer; 3. a power supply line; 31. a high-voltage side wire; 32. a low-voltage side wire; 4. a power metering box; 5. a control cabinet; 61. a clamping head; 611. a U-shaped body; 612. a screw; 613. briquetting; 614. a fitting groove; 62. a second power cable; 71. a wire hanging rod; 72. hanging a connector; 73. a first power cable; 74. an arc-shaped slot; 75. and a balancing weight.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the emergency distribution transformer power supply system provided by the present invention will now be described. The emergency distribution transformer power supply system comprises a carrier loader 1, a connecting assembly, a grounding device and a protection assembly, wherein the carrier loader 1 is used for carrying a temporary transformer 2, the connecting assembly is used for connecting the temporary transformer 2 into a power supply line 3, the grounding device is used for grounding the temporary transformer 2, the protection assembly is used for defining a forbidden area on an operation site, and the forbidden area at least comprises an area where the carrier loader 1, the connecting assembly and the grounding device are located.
Compared with the prior art, the emergency distribution transformer power supply system provided by the utility model has the advantages that after the existing transformer fails, the temporary transformer 2 can be transported to the location of the failed transformer through the carrier loader 1; the temporary transformer 2 is grounded through the grounding component, and the operation site is surrounded through the protective component, so that an forbidden area is defined, and other personnel except professional electric power personnel with operation capability are prevented from entering the forbidden area, and electric shock danger and interference operation are prevented; after the preparation work is finished, the temporary transformer 2 is connected to the existing power supply line 3 through the connecting assembly, so that the temporary transformer 2 can temporarily replace a fault transformer to finish the task of voltage conversion, and the power supply line 3 supplies power normally during the maintenance or replacement period of the fault transformer; the utility model provides an emergent distribution transformer power supply system's deployment time is less than the maintenance or the change time of trouble transformer greatly, consequently can shorten the power off time, reduces the influence that transformer trouble caused to people's life.
It should be noted that the emergency distribution transformer power supply system provided by the utility model is generally applicable to the power supply line 3 with the voltage less than 10kV, and is particularly applicable to small transformers erected in a community or on a roadside; when the voltage of power supply line is too high, the size of transformer can be great, and the operation scene danger degree grow, considers from aspects such as economy, safety, is not suitable for passing through the utility model provides an emergent power supply system that becomes realizes supplying power temporarily of joining in marriage.
As a specific implementation of the emergency power distribution and distribution system, please refer to fig. 1, still load the power metering box 4 and the switch board 5 in the carrier loader 1, the power metering box 4 and the switch board 5 are used for connecting between the low pressure side wire 32 of interim transformer 2 and power supply line 3, the power metering box 4 is used for measuring the power consumption, the switch board 5 is used for controlling the break-make of power supply line 3. Fig. 1 is a schematic diagram, and does not represent the specific structure of the system components such as the power metering box 4 and the control cabinet 5.
The power metering box 4 and the control cabinet 5 are prior art. The electric power metering box 4 is an electric energy metering device which can be used in a 3-35 kV circuit, and generally comprises a combined mutual inductor, a box body, an electric meter and the like which are used for collecting three-phase current and voltage signals; the power metering box 4 can detect the amount of electric energy output by the temporary transformer 2 during operation. The control cabinet 5 is provided with power switches such as a circuit breaker and an isolating switch, and is mainly used for connecting or disconnecting the temporary transformer 2 and the power supply line 3.
The wiring among the temporary transformer 2, the power metering box 4 and the control cabinet 5 can be completed in advance, and after the temporary transformer 2, the high-voltage wiring terminal and the high-voltage side wire 31 of the temporary transformer 2 and the wiring terminal and the low-voltage side wire 32 of the control cabinet 5 are connected through the connecting assembly respectively, so that the temporary transformer is convenient and efficient, the power supply can be recovered as soon as possible, and the power failure time is shortened.
As the utility model provides an emergent power supply system that joins in marriage becomes a specific implementation mode, carrier loader 1 just is equipped with the year thing railway carriage or compartment for the motor vehicle, carries the thing railway carriage or compartment door that the thing railway carriage or compartment was equipped with at least one and can open and close, and interim transformer 2 sets up in carrying the thing railway carriage or compartment. The van or van truck is a vehicle capable of hermetically transporting various articles, has the advantages of flexibility, strong transportation capability and the like, can be used for transporting the temporary transformer 2, the power metering box 4 and the control cabinet 5 to a fault site in a short time, and is safe and stable in an object carrying compartment without being influenced by weather. And in the transportation process, the carriage door is closed, and in the working process, the carriage door is opened for the passage of a line, so that the connection between the temporary transformer 2 and the power supply line 3, the grounding of the temporary transformer 2 and the like are realized.
As the utility model provides a become power supply system's a concrete implementation way is joined in marriage to emergency, be equipped with the light on the carrier loader 1 and for the portable power source of light power supply to provide the illumination for the night work. The mobile power supply can be an existing product such as a storage battery.
As a specific implementation manner of the emergency distribution transformer power supply system, the connection assembly is composed of a plurality of connection units, and the connection units are used for connecting the high-voltage terminal of the temporary transformer 2 and the high-voltage side wire 31 of the power supply line 3, or the low-voltage terminal of the temporary transformer 2 and the low-voltage side wire 32 of the power supply line 3. Specifically, as shown in fig. 1, the high-voltage side conductor 31 generally has three conductors, and the low-voltage side conductor 32 generally has four conductors, each of which is provided with one corresponding connection unit, for a total of seven connection units. One end of the connecting unit is connected with a lead of the power supply line 3, and the other end of the connecting unit is connected with a binding post on the temporary transformer 2.
As a specific implementation manner of the emergency power distribution and transformation power supply system provided by the utility model, please refer to fig. 2, the connection unit includes a wire hanging rod 71, the head end of the wire hanging rod 71 is provided with a hanging joint 72 for connecting the wire of the power supply line 3, the tail end of the wire hanging rod 71 is connected with a first power cable 73, and the other end of the first power cable 73 is connected with the high-voltage terminal or the low-voltage terminal of the temporary transformer 2. The connection unit provided in the present embodiment can be used to directly connect the lead wire of the power supply line 3 mounted on the pole to the terminal of the temporary transformer 2.
During operation, if the isolating switch is arranged, the fault transformer can be disconnected from the power supply line 3 through the isolating switch so as to be convenient for maintenance or replacement of the fault transformer, and if the isolating switch is not arranged, live working is needed to detach the lead of the power supply line 3 from the binding post of the fault transformer 2; then, under the condition that the power supply line 3 is not powered off, the temporary transformer can be connected into the power supply line 3 by connecting a lead of the power supply line 3 with a binding post of the temporary transformer 2 through the connecting unit, so that the temporary transformer can work instead of a fault transformer.
If the power supply line 3 is not erected on a pole but buried underground, the hanging joint 72 and the hanging pole 71 are not required, but the lead of the power supply line 3 and the first power cable 73 are directly connected through the joint, so that the connection of the lead of the power supply line 3 and the terminal of the temporary transformer 2 is realized.
Specifically, the wire hanging rod 71 and the wire hanging connector 72 both comprise a conductive core and an insulating layer wrapped on the outer side of the core, so that the safety of workers is protected while the conductive function is realized, and the occurrence of contact accidents is prevented; the wire hanging rod 71 is connected to the core of the wire hanging connector 72, and can conduct the electric power on the wire to the first power cable 73 and further to the temporary transformer 2.
As a specific implementation manner of the emergency distribution transformer power supply system provided by the present invention, please refer to fig. 2, the hanging joint 72 is provided with an arc-shaped groove 74 for tightly attaching to the wire of the power supply line 3, the arc-shaped groove 74 extends along the length direction of the wire of the power supply line 3, and the hanging rod 71 is provided with a balancing weight 75.
Specifically, the hanging joint 72 is also provided with an opening and a guide groove for the lead to enter the arc-shaped groove 74, the opening is in a horn shape, the lead can conveniently enter the guide groove, the guide groove is in a V shape, and the hanging joint 72 has a certain anti-falling function and can be prevented from being accidentally separated from the lead; the arcuate slot 74, opening and guide slot extend through the hanger 72, and the hanger 72 has a length along the length of the wire that is capable of maintaining sufficient contact with the wire. The counterweight block 75 is used for enabling the wire hanging rod 71 to have certain falling force, and the arc-shaped groove 74 can be always kept in a close-fitting state with the wire; in addition, the counterweight block 75 is also used for adjusting the gravity center of the wire hanging rod 71, so that the wire hanging rod 71 is ensured to be approximately in a vertical state, thereby being beneficial to keeping stable and preventing the wire hanging rod from accidentally falling off from a wire.
As a specific implementation manner of the emergency distribution transformer power supply system provided by the present invention, please refer to fig. 3, the grounding device includes a clamping head 61 and a second power cable 62 connected to the clamping head 61, the clamping head 61 includes a U-shaped body 611 and a screw rod 612 disposed on one side arm of the U-shaped body 611, one end of the screw rod 612 is provided with a pressing block 613, the pressing block 613 is used for being close to or being away from the other side arm of the U-shaped body 611, so as to clamp or loosen an external object, the pressing block 613 is slidably engaged with the beam of the U-shaped body 611, and the beam is respectively connected to one end of the two side arms.
In fig. 3, the upper and lower cross bars of the U-shaped body 611 are the side arms thereof, and the vertical bar connecting the left ends of the two side arms is the cross bar thereof. The left end of the pressing block 613 is slidably clamped with the cross beam, so that the pressing block 613 can be guided to move along the cross beam, and the stability of the pressing block 613 can be ensured, so that an external object can be strongly squeezed and clamped, and the temporary transformer 2 can be grounded. The external object is generally a metal object buried or inserted into the ground, and can serve as a ground.
The screw 612 is screwed to a side arm below the U-shaped body 611, and can drive the pressing block 613 to move up and down. When the pressing block 613 moves upward, an external object with grounding capability can be clamped between itself and the upper side arm, that is, the external object can be tightly connected and conducted with the external object; the second power cable 62 is connected to a terminal for grounding on the temporary transformer 2, so that the temporary transformer 2 can be conducted to the ground by means of an external object, thereby preventing the case from being electrified and generating an electric shock risk.
As the utility model provides an emergent power supply system that becomes that joins in marriage, earthing device is still including being used for inserting underground stock, be equipped with the laminating groove 614 with stock shape adaptation on briquetting 613 and the relative side arm that sets up with briquetting 613. When no suitable external object is available on the job site to realize the grounding of the temporary transformer 2, the anchor rod made of metal can be inserted into the ground, and then the anchor rod is clamped by the clamping head 61 to realize the grounding. The fitting groove 614 is beneficial to clamping and conducting of the clamping head 61 and the anchor rod body, and the grounding effect is ensured.
As the utility model provides an emergent power supply system that becomes that joins in marriage, protection component comprises a plurality of warning sign and mobilizable rail. The warning board can inform irrelevant personnel that the operation site has electric shock danger and remind the irrelevant personnel not to approach; the warning board can also mark names of the components such as the connecting unit and the like, so that the operating personnel can be clear at a glance of the field condition, and the safety operation is facilitated. The movable fence is flexible and convenient, and can be placed on the carrier loader 1 to be stored and transported together with the temporary transformer 2, the connecting assembly and the like. After the fence units are unfolded and placed, the entering area is defined, irrelevant personnel are prevented from entering the operation site, and the operation safety is ensured. Specifically, an insulating protection plate can be arranged on the temporary transformer 2 through a support column, and an operator can utilize means such as protective tools such as live working protective clothing, so that the operation risk is further reduced, and the operation safety is ensured.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Emergent distribution becomes power supply system, its characterized in that includes:
the carrying vehicle is used for carrying the temporary transformer;
the connection assembly is used for connecting the temporary transformer into a power supply line;
a grounding device for grounding the temporary transformer; and
the protection assembly is used for defining a forbidden area on a working site, and the forbidden area at least comprises the area where the carrier vehicle, the connecting assembly and the grounding device are located.
2. The emergency power distribution and distribution transformation power supply system of claim 1, wherein a power metering box and a control cabinet are further loaded in the carrier vehicle, the power metering box and the control cabinet are used for being connected between the temporary transformer and a low-voltage side lead of a power supply line, the power metering box is used for metering power consumption, and the control cabinet is used for controlling on-off of the power supply line.
3. The emergency distribution transformer power supply system of claim 1, wherein the carrier vehicle is a motor vehicle and is provided with a load compartment, the load compartment being provided with at least one door that can be opened and closed, the temporary transformer being provided in the load compartment.
4. The emergency power distribution and distribution system of claim 1, wherein the vehicle is provided with a lighting lamp and a mobile power supply for supplying power to the lighting lamp.
5. The emergency distribution transformer power supply system according to claim 1, wherein the connection assembly is composed of a plurality of connection units for connecting the high-voltage terminal of the temporary transformer with the high-voltage side wire of the power supply line or for connecting the low-voltage terminal of the temporary transformer with the low-voltage side wire of the power supply line.
6. The emergency power distribution and distribution transformation system according to claim 5, wherein the connection unit comprises a wire hanging rod, a hanging joint for connecting a wire of a power supply line is arranged at the head end of the wire hanging rod, a first power cable is connected to the tail end of the wire hanging rod, and the other end of the first power cable is connected with a high-voltage binding post or a low-voltage binding post of the temporary transformer.
7. The emergency power distribution and distribution system of claim 6, wherein the hanging connector is provided with an arc-shaped groove for closely contacting with the power supply line conductor, the arc-shaped groove extends along the length direction of the power supply line conductor, and the hanging rod is provided with a balancing weight.
8. The emergency distribution transformer power supply system according to claim 1, wherein the grounding device comprises a clamping head and a second power cable connected with the clamping head, the clamping head comprises a U-shaped body and a screw rod arranged on one side arm of the U-shaped body, one end of the screw rod is provided with a pressing block, the pressing block is used for being close to or far away from the other side arm of the U-shaped body so as to clamp or release an external object, the pressing block is in sliding clamping connection with a cross beam of the U-shaped body, and the cross beam is respectively connected with one end of the two side arms.
9. The emergency distribution transformer power supply system of claim 8, wherein the grounding device further comprises an anchor rod for inserting into the ground, and the pressing block and the side arm opposite to the pressing block are provided with fitting grooves adapted to the shape of the anchor rod.
10. An emergency distribution substation power supply system according to claim 1 wherein said shielding assembly is comprised of a plurality of warning signs and a movable enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551363.1U CN212968718U (en) | 2020-07-30 | 2020-07-30 | Emergency distribution transformer power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551363.1U CN212968718U (en) | 2020-07-30 | 2020-07-30 | Emergency distribution transformer power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212968718U true CN212968718U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021551363.1U Active CN212968718U (en) | 2020-07-30 | 2020-07-30 | Emergency distribution transformer power supply system |
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| Country | Link |
|---|---|
| CN (1) | CN212968718U (en) |
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2020
- 2020-07-30 CN CN202021551363.1U patent/CN212968718U/en active Active
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