CN214850491U - Integrated control cabinet power distribution system - Google Patents
Integrated control cabinet power distribution system Download PDFInfo
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- CN214850491U CN214850491U CN202120952293.9U CN202120952293U CN214850491U CN 214850491 U CN214850491 U CN 214850491U CN 202120952293 U CN202120952293 U CN 202120952293U CN 214850491 U CN214850491 U CN 214850491U
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- distribution system
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Abstract
The utility model discloses an integrated control cabinet distribution system, the system includes: the three-phase five-wire cable comprises a bus and a branch wire, the bus of the three-phase five-wire cable is connected with an external power supply, and the branch wire is connected with the control cabinet; the first main breaker is connected with the bus; at least one branch breaker, wherein each branch is provided with the breaker; the constant-voltage circuit is led out from one phase and a zero phase in the three-phase five-wire cable and is used for connecting terminal equipment; the utility model provides a system can improve distribution system's safety and stability can by a wide margin.
Description
Technical Field
The utility model relates to an oil development field, in particular to integrated control cabinet distribution system.
Background
In the prior art, circuit wiring of different control cabinets for oil exploitation is very long, for a single control cabinet, a 380V cable from a power supply room to the control cabinet may need hundreds of meters in length, wiring is long, resource waste is caused, in addition, the circuit layout needs to prevent requirements of motor reversal power generation, lightning protection, emergency stop, emergency power supply and the like, the existing power distribution system has the problem of incomplete function, and all emergency situations cannot be completely coped with.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of them aim at provides an integrated control cabinet distribution system, distribution system is through setting up the master breaker on three-phase five-wire bus cable, can be used to the system under the emergency and stop.
Another object of the utility model is to provide an integrated control cabinet distribution system separate out a conventional power cord on the five-wire cable of three-phase for the conventional equipment power supply of system, and be equipped with energy memory on the conventional power cord, can uninterruptedly be the conventional equipment power supply through energy memory, can prevent the influence of proruption outage to equipment.
Another object of the utility model is to provide an integrated control cabinet distribution system, distribution system adopts the copper bar to get some, need not to draw the cable to each switch board to can reduce the total length of cable by a wide margin, but resources are saved.
Another object of the utility model is to provide an integrated control cabinet distribution system, distribution system all sets up solitary cable to each switch board to set up a circuit breaker on each solitary cable, be used for controlling the confession outage of each switch board respectively, the maintenance of the switch board of being convenient for.
Another object of the utility model is to provide an integrated control cabinet distribution system, distribution system is equipped with lightning protection filter, can effectively restrain distribution system's common mode and differential mode interference.
Another object of the utility model is to provide an integrated control cabinet distribution system, distribution system is equipped with the electrical quantity detector for current and voltage in the detecting bus and the separated time.
In order to realize the utility model discloses at least one above-mentioned utility model purpose, the utility model discloses further provide an integrated control cabinet distribution system, include:
the three-phase five-wire cable comprises a bus and a branch wire, the bus of the three-phase five-wire cable is connected with an external power supply, and the branch wire is connected with the control cabinet;
the first main breaker is connected with the bus;
at least one branch breaker, wherein each branch is provided with the breaker;
and the normal-voltage circuit is led out from one phase and a zero phase in the three-phase five-wire cable and is used for connecting terminal equipment.
According to one of the preferred embodiments of the present invention, a lightning protection filter is disposed on the bus for suppressing common mode and differential mode electromagnetic interference on the bus.
According to the utility model discloses another preferred embodiment, be equipped with an electric quantity detector on the bus for current and voltage on the detection bus.
According to the utility model discloses another preferred embodiment, be equipped with a circuit breaker on each branch line for cut off the switch board power on each branch line.
According to another preferred embodiment of the present invention, each of the branch lines has a power supply terminal row, and the power supply terminals are connected in parallel to each other for electrically connecting at least one control cabinet.
According to the utility model discloses another preferred embodiment, integrated control cabinet distribution system includes a second main circuit breaker, the second main circuit breaker set up in the ordinary pressure circuit, and second main circuit breaker one end is connected the bus.
According to the utility model discloses another preferred embodiment, be equipped with a UPS on the ordinary pressure circuit, UPS one end electricity is connected the second master breaker, and a plurality of equipment on the ordinary pressure circuit are connected to other end electricity.
According to the utility model discloses another preferred embodiment, integrated control cabinet distribution system still includes a plurality of brake resistance, brake resistance be installed in on the branch line.
According to another preferred embodiment of the present invention, the voltage of the bus is 380V.
According to another preferred embodiment of the present invention, the voltage of the normal voltage circuit is 220V.
Drawings
Wherein the content of the first and second substances,
the three-phase five-wire cable bus-1, the conventional circuit bus-2, the three-phase five-wire cable branching-11, the brake resistor-12 and the conventional circuit branching-21.
Fig. 1 is a circuit diagram of a preferred embodiment of the present invention.
Fig. 2 shows the utility model discloses integrated cabinet distribution lines's partial circuit structure schematic diagram.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1 and 2, schematic circuit connection diagrams are shown, in which the integrated control cabinet power distribution system includes a three-phase five-wire cable, where the three-phase five-wire cable includes a bus and a branch line, where the branch line is connected to at least one control cabinet, the bus is provided with a first main breaker, and the main breaker is used to cut off power supplies of all the control cabinets connected to the branch line.
It is worth mentioning that, in order to prevent the thunder and lightning response or thunderbolt to circuit common mode and differential mode interference, the utility model discloses further provide a lightning protection filter, lightning protection filter includes one-level common mode filter circuit and one-level differential mode filter circuit, lightning protection filter install in on the bus, can restrain the electromagnetic interference of common mode and differential mode effectively to can ensure every switch board distribution circuit's security and stability be equipped with an electric quantity detector on the bus for detect the power consumptive condition of circuit on the bus.
Furthermore, the integrated control cabinet power distribution system leads out a phase and a zero phase on a bus of the three-phase five-wire cable to form a normal-voltage circuit for supplying power to equipment with daily 220V voltage requirements, wherein a second main breaker is arranged on the bus of the normal-voltage circuit, a UPS power supply is arranged on the normal-voltage circuit bus, the second main breaker can cut off the normal-voltage circuit, and can realize emergency power off under emergency conditions, meanwhile, because the first main breaker and the second main breaker are respectively arranged in different circuits, the equipment under the normal-voltage circuit can be prevented from being closed along with emergency stop, such as lighting equipment, socket power supply and the like which are arranged in the normal-voltage circuit, when the emergency stop occurs, the first main breaker on the bus of the three-phase five-wire cable is cut off, all control cabinets stop running, but the lighting equipment and the like in the normal-voltage circuit still keep running, thereby avoiding direct shut down of non-essential devices. The UPS in the normal-pressure circuit can realize the functions of endurance and voltage stabilization of normal-pressure circuit equipment, so that the equipment in the normal-pressure circuit is prevented from being influenced by sudden circuit break or overload.
In addition, the constant voltage circuit comprises a plurality of branch circuits, and each branch circuit is provided with at least one breaker for independently controlling the switch of a power supply on each branch circuit in the constant voltage circuit, so that the branch circuit maintenance can be facilitated.
It is worth mentioning that the connection control cabinet is provided with a brake resistor on the branch line, and the brake resistor is used for absorbing energy generated by reverse power generation of the motor, so that the safety of the whole power distribution system is prevented from being influenced by the reverse power generation of the motor.
Furthermore, can set up a plurality of power supply terminal rows on each branch line of three-phase wireless cable, power supply terminal row includes but not only is limited to the copper bar to can reduce the use length of cable by a wide margin, resources are saved.
It is understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention, the objects of which have been fully and effectively achieved, the functions and structural principles of which have been shown and described in the embodiments, and that the embodiments of the present invention may be modified or adapted without departing from said principles.
Claims (10)
1. An integrated control cabinet power distribution system, comprising:
the three-phase five-wire cable comprises a bus and a branch wire, the bus of the three-phase five-wire cable is connected with an external power supply, and the branch wire is connected with the control cabinet;
the first main breaker is connected with the bus;
at least one branch breaker, wherein each branch is provided with the breaker;
and the normal-voltage circuit is led out from one phase and a zero phase in the three-phase five-wire cable and is used for connecting terminal equipment.
2. The integrated control cabinet power distribution system of claim 1, wherein a lightning protection filter is disposed on the bus for suppressing common mode and differential mode electromagnetic interference on the bus.
3. The electrical distribution system of claim 1, wherein the bus comprises a power detector configured to detect current and voltage on the bus.
4. The integrated control cabinet power distribution system of claim 1, wherein a circuit breaker is provided on each branch for disconnecting the control cabinet power supply on each branch.
5. The integrated control cabinet power distribution system of claim 1, wherein each branch line has a row of power supply terminals, the power supply terminals being connected in parallel to each other for electrically connecting at least one control cabinet.
6. The integrated control cabinet power distribution system of claim 1, comprising a second main circuit breaker, wherein the second main circuit breaker is disposed in the normal voltage circuit, and one end of the second main circuit breaker is connected to the bus.
7. The power distribution system of claim 6, wherein the normal voltage circuit is provided with a UPS, one end of the UPS is electrically connected to the second main breaker, and the other end of the UPS is electrically connected to the plurality of devices on the normal voltage circuit.
8. The integrated control cabinet power distribution system of claim 1, further comprising a plurality of braking resistors, the braking resistors being mounted in the breakout.
9. The integrated control cabinet power distribution system of claim 1, wherein the bus has a voltage of 380V.
10. The integrated control cabinet power distribution system of claim 1, wherein the voltage of the constant voltage circuit is 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120952293.9U CN214850491U (en) | 2021-05-06 | 2021-05-06 | Integrated control cabinet power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120952293.9U CN214850491U (en) | 2021-05-06 | 2021-05-06 | Integrated control cabinet power distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214850491U true CN214850491U (en) | 2021-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120952293.9U Active CN214850491U (en) | 2021-05-06 | 2021-05-06 | Integrated control cabinet power distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214850491U (en) |
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2021
- 2021-05-06 CN CN202120952293.9U patent/CN214850491U/en active Active
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