CN218888126U - 10kv column-mounted high-voltage charge control protection device - Google Patents
10kv column-mounted high-voltage charge control protection device Download PDFInfo
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- CN218888126U CN218888126U CN202222948994.2U CN202222948994U CN218888126U CN 218888126 U CN218888126 U CN 218888126U CN 202222948994 U CN202222948994 U CN 202222948994U CN 218888126 U CN218888126 U CN 218888126U
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Abstract
The utility model relates to the technical field of high-voltage protection equipment, in particular to a 10kv column-mounted high-voltage charge control protection device, which comprises a high-voltage isolating switch, a circuit breaker and a combined metering mutual inductor; the input end of the high-voltage isolating switch is connected with the output end of a high-voltage line and is connected with a high-voltage charge control intelligent circuit breaker; the output end of the high-voltage charge control intelligent circuit breaker is connected with a combined metering mutual inductor, and the output end of the combined metering mutual inductor is connected with a transformer. In the 10kv pole-mounted high-voltage charge control protection device, the on-line rate and the meter reading rate of the metering meter can be not influenced after the intelligent breaker trips, the main network can be prevented from tripping after the later-stage electric equipment fails, the multifunctional metering terminal is still on line after the transformer at the rear end of the breaker and the electric appliance fail and the breaker is protected from tripping, and the metering information can be monitored in real time.
Description
Technical Field
The utility model relates to a high-pressure protection and equipment technical field, specifically speaking relates to a 10kv formula high pressure charge accuse protection device on post.
Background
The common metering and controlling modes of electricity consumption are as follows: and (4) the meter reader charges through the system meter reading, and if the user does not pay in time, the power department sends a person to the customer power utilization place to disconnect the power supply. The defects are as follows: rely on manual operation completely, efficiency is lower and comparatively loaded down with trivial details, has the circuit breaker that is used for carrying out long-range expense accuse measurement among the prior art.
The patent with the publication number of CN107845199A discloses a remote fee-controlled circuit breaker device, which comprises a processor, a communication module, a PLC (programmable logic controller) terminal I and a database, wherein the communication module, the PLC terminal I and the database are connected to the processor, the communication module is connected with a server through the Internet, the server is also connected with a data input module, and the PLC terminal I is connected with a field device through a low-voltage power line; according to the scheme, the field device is matched with the processor, an external control program is sent to the controller in advance, the controller can realize closed-loop control over the field device, and normal work of the system can be guaranteed even if the controller is disconnected with the background server. The scheme has the advantages that: two control methods of online control and offline control can be realized, and the reliability is high; the power line communication system is used for completing the communication of the last kilometer, the network does not need to be greatly reformed, and the equipment is simple and easy to maintain.
According to the technical scheme, cost control remote communication and control can be achieved, but the high-voltage side installation mode is that the isolating disconnecting link is advanced, then the metering transformer enters the circuit breaker and finally the circuit breaker enters the transformer. If the metering transformer fails, the typical installation mode is easy to cause tripping of the main network, and the failure of the main network is caused by the failure of a client, so that the power supply reliability is reduced; and the isolating switch side and the metering transformer side are easy to be struck by lightning in rainy days, thereby causing equipment damage and influencing the operation of the cost control equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 10kv post is gone up formula high pressure and is taken accuse protection device to solve the easy major network tripping operation that arouses that proposes in the above-mentioned background art, customer's trouble is gone out and is leaded to the major network to have a power failure, reduces the power supply reliability, and rainy day is suffered the thunderbolt easily, thereby arouses equipment damage, influences the running problem who takes accuse equipment.
In order to realize the purpose, the utility model provides a 10kv column-mounted high-voltage charge control protection device, which comprises a high-voltage isolating switch, a circuit breaker and a combined metering mutual inductor; the input end and the output end of the high-voltage isolating switch are both connected with a high-voltage line; the input of circuit breaker inserts high-tension line, the input of combination measurement mutual-inductor is connected with the output of circuit breaker, the output of combination measurement mutual-inductor inserts high-tension line, high-tension line's current direction is from high voltage isolator to circuit breaker.
Preferably, high voltage isolator installs on one section pole, install the wiring support on one section pole, the wiring support is connected with high voltage isolator and high voltage transmission lines respectively through one section circuit.
As preferred, circuit breaker and combination measurement mutual-inductor are installed on the two-stage section pole, install equipment support on the two-stage section pole, circuit breaker and combination measurement mutual-inductor all pass through the bolt fastening on equipment support, the input of circuit breaker and combination measurement mutual-inductor's output all insert high-tension line through the two-stage circuit.
Preferably, the upper portion of two-section pole is installed the spacing support of circuit, circuit between circuit breaker and the combination measurement mutual-inductor passes through the spacing support of circuit and supports.
Preferably, a multifunctional meter box is installed on the lower portion of the two-section electric pole and connected in parallel on the circuit of the circuit breaker and the combined metering transformer.
Preferably, a first lightning arrester is installed at one end of the wiring support, the first lightning arrester is connected to an output end circuit of the high-voltage isolating switch, a second lightning arrester is installed at one end of the equipment support, and the second lightning arrester is connected to the combined metering mutual inductor.
Preferably, the PT side protection of the circuit breaker consists of two fuses of 10-12 kV/0.5A.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the 10kv pole-on type high-voltage charge control protection device, high-voltage electricity enters from the PT side of the circuit breaker and then exits from the isolation knife switch side of the circuit breaker. Such advantages are: the intelligent metering transformer has the advantages that the operating rod does not need to be used for energy storage switching-on after tripping is achieved, switching-on can be achieved through remote control, the danger that personnel touch a high-voltage line is reduced, the installation mode that the personnel draw a snake and add enough is avoided, even if the metering transformer breaks down, the circuit breaker at the front end of the intelligent metering transformer can immediately protect tripping, and the main network is prevented from tripping.
2. In the 10kv pole-mounted high-voltage charge control protection device, the lightning arresters are arranged on the isolating disconnecting link side and the metering transformer side to prevent lightning stroke, so that the lightning arresters are arranged on the two sides of the wire inlet end and the wire outlet end of the whole charge control system to protect the whole system from lightning stroke, and the whole system can prevent the damage of the lightning stroke.
3. In the 10kv pole top type high-voltage charge control protection device, after the fault circuit breaker protection tripping of a transformer and an electrical appliance at the rear end of the circuit breaker, the multifunctional meter box is still on line, the meter reading rate of a special transformer client is not influenced, and a power supply department can also judge the fault reason of the client through the current and voltage of a background data acquisition meter; if the multifunctional meter box is tripped due to arrearage, the multifunctional meter box still cannot lose voltage, and after a customer pays the expense, the background system can still transmit a message of allowing to close the switch to the circuit breaker through the load terminal, so that expense control is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of a section of electric pole part in the utility model;
fig. 3 is a schematic structural diagram of the two-stage electric pole of the present invention.
The various reference numbers in the figures mean:
1. a high voltage isolation switch; 2. a circuit breaker; 3. a combined metering transformer; 4. a multifunctional meter box; 5. a first arrester; 6. a second lightning arrester; 7. a section of electric pole; 71. a wiring bracket; 72. a section of line; 8. a second section of electric pole; 81. an equipment support; 82. a line limiting bracket; 83. two sections of lines; 9. a high voltage line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a 10kv pole-mounted high-voltage charge control protection device, as shown in figures 1-3, comprising a high-voltage isolating switch 1, a circuit breaker 2 and a combined metering mutual inductor 3; the input end and the output end of the high-voltage isolating switch 1 are both connected with a high-voltage line 9; the input end of the circuit breaker 2 is connected with a high-voltage line 9, the input end of the combined metering mutual inductor 3 is connected with the output end of the circuit breaker 2, the output end of the combined metering mutual inductor 3 is connected with the high-voltage line 9, and the current direction of the high-voltage line 9 is from the high-voltage isolating switch 1 to the circuit breaker 2.
In this embodiment, high voltage isolator 1 installs on one section pole 7, installs wiring support 71 on one section pole 7, and wiring support 71 is connected with high voltage isolator 1 and high-voltage line 9 respectively through one section circuit 72, makes things convenient for the circuit to carry out the wiring installation operation, when the circuit breaker breaks down, can pull open high voltage isolator 7, hangs the ground connection back again, maintains.
Specifically, the circuit breaker 2 and the combined metering mutual inductor 3 are installed on the two-section electric pole 8, the equipment support 81 is installed on the two-section electric pole 8, the circuit breaker 2 and the combined metering mutual inductor 3 are fixed on the equipment support 81 through bolts, the stability of the equipment is guaranteed, and the input end of the circuit breaker 2 and the output end of the combined metering mutual inductor 3 are connected into the high-voltage line 9 through the two-section line 83.
Further, the spacing support 82 of circuit is installed on the upper portion of two-stage section pole 8, and the circuit between circuit breaker 2 and the combination metering transformer 3 passes through the spacing support 82 of circuit to be supported for there is the certain distance between circuit and the equipment, avoids causing mutual interference.
Furthermore, a multifunctional meter box 4 is installed at the lower part of the second-section electric pole 8, an auxiliary standby power supply is installed in the multifunctional meter box 4, the multifunctional meter box 4 is connected in parallel on a circuit of the circuit breaker 2 and the combined metering mutual inductor 3, so that after a transformer and an electric appliance at the rear end of the circuit breaker have fault and the circuit breaker has protection tripping, the meter function is still on line, the metering is carried out through the multifunctional meter box 4, the meter reading rate of a specially-changed customer is not influenced, and a power supply department can judge the fault reason of the customer through the current and voltage of a background data acquisition meter; if the trip is due, the meter function is still on line, the metering is carried out through the multifunctional metering meter box 4, the voltage is still not lost, and after the customer pays the fee, the background system can still transmit the message of closing permission to the breaker through the load terminal, so that the fee control is realized.
Furthermore, a first lightning arrester 5 is installed at one end of the wiring support 71, the first lightning arrester 5 is connected to an output end line of the high-voltage isolating switch 1, a second lightning arrester 6 is installed at one end of the equipment support 81, the second lightning arrester 6 is connected to the combined metering mutual inductor 3, it is guaranteed that lightning arresters are installed on two sides of a wire inlet end and a wire outlet end of the whole charge control system, and the whole system can prevent lightning.
Further, the PT side protection of the circuit breaker 2 consists of two fuses of 10-12 kV/0.5A.
The utility model discloses a 10kv formula high pressure expense control protection device on post when using, connect gradually the back wiring with equipment at first, when circuit breaker 2 broke down, can pull open high voltage isolator 7, after hanging ground connection again, maintained, all be equipped with the arrester protection at the inlet wire end and the leading-out terminal both sides of whole expense control system, whole system can all prevent the thunderbolt;
after the transformer and the electrical appliance at the rear end of the circuit breaker 2 are in fault and the circuit breaker is in protection trip, the meter functions are still on line, the metering is carried out through the multifunctional meter box 4, the meter reading rate of a special transformer client is not influenced, and the power supply department can also judge the fault reason of the client through the current and voltage of a background data acquisition meter;
if the trip is due, the meter function is still on line, the metering is carried out through the multifunctional metering meter box 4, the voltage is still not lost, and after the customer pays the fee, the background system can still transmit the message of closing permission to the breaker through the load terminal, so that the fee control is realized.
Finally, it should be noted that in the present embodiment, the circuit breaker 2, the combined metering transformer 3, the multifunctional meter box 4, and the like, electronic components in the above components are all common standard components or components known to those skilled in the art, and the structure and principle of the components are known to those skilled in the art through technical manuals or through conventional experimental methods.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a 10kv formula high pressure fee accuse protection device on post which characterized in that: comprises that
The high-voltage isolation switch (1), the circuit breaker (2) and the combined metering transformer (3);
the input end and the output end of the high-voltage isolating switch (1) are both connected with a high-voltage line (9);
the input end of the circuit breaker (2) is connected with a high-voltage line (9), the input end of the combined metering mutual inductor (3) is connected with the output end of the circuit breaker (2), the output end of the combined metering mutual inductor (3) is connected with the high-voltage line (9), the current direction of the high-voltage line (9) is from the high-voltage isolating switch (1) to the circuit breaker (2), and high-voltage electricity enters from the PT side of the circuit breaker and then exits from the isolating knife switch side of the circuit breaker;
the high-voltage isolating switch (1) is arranged on a section of electric pole (7), a wiring bracket (71) is arranged on the section of electric pole (7), and the wiring bracket (71) is respectively connected with the high-voltage isolating switch (1) and a high-voltage line (9) through a section of line (72);
the circuit breaker (2) and the combined metering mutual inductor (3) are installed on a two-section electric pole (8), an equipment bracket (81) is installed on the two-section electric pole (8), the circuit breaker (2) and the combined metering mutual inductor (3) are both fixed on the equipment bracket (81) through bolts, and the input end of the circuit breaker (2) and the output end of the combined metering mutual inductor (3) are both connected into a high-voltage line (9) through a two-section line (83);
first arrester (5) are installed to the one end of wiring support (71), on first arrester (5) access high voltage isolator's (1) output end circuit, second arrester (6) are installed to the one end of equipment support (81), second arrester (6) access combination measurement mutual-inductor (3).
2. The 10kv column-on-column high-pressure cost-control protection device of claim 1, wherein: spacing support of circuit (82) is installed on the upper portion of two-section pole (8), circuit between circuit breaker (2) and combination measurement mutual-inductor (3) passes through spacing support of circuit (82) and supports.
3. The 10kv column-on-column high-pressure cost-control protection device of claim 2, wherein: multifunctional meter box (4) are installed to the lower part of two-section pole (8), multifunctional meter box (4) connect in parallel on the circuit of circuit breaker (2) and combination measurement mutual-inductor (3).
4. The 10kv column-on-column high-pressure charge control protection device according to claim 1, characterized in that: the PT side protection of the circuit breaker (2) consists of two fuses of 10-12 kV/0.5A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222948994.2U CN218888126U (en) | 2022-11-07 | 2022-11-07 | 10kv column-mounted high-voltage charge control protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222948994.2U CN218888126U (en) | 2022-11-07 | 2022-11-07 | 10kv column-mounted high-voltage charge control protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218888126U true CN218888126U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222948994.2U Active CN218888126U (en) | 2022-11-07 | 2022-11-07 | 10kv column-mounted high-voltage charge control protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218888126U (en) |
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2022
- 2022-11-07 CN CN202222948994.2U patent/CN218888126U/en active Active
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