CN218783609U - Parallel type nuclear capacity AC/DC power cabinet - Google Patents
Parallel type nuclear capacity AC/DC power cabinet Download PDFInfo
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- CN218783609U CN218783609U CN202223364168.XU CN202223364168U CN218783609U CN 218783609 U CN218783609 U CN 218783609U CN 202223364168 U CN202223364168 U CN 202223364168U CN 218783609 U CN218783609 U CN 218783609U
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Abstract
The utility model relates to a parallel nuclear holds alternating current-direct current power supply cabinet. The device comprises an alternating current screen, a direct current screen and a storage battery screen which are arranged in sequence; a bus bar led out from the direct current screen is arranged in the storage battery screen, and the bus bar is connected with a branch copper bar in the storage battery screen; the branch copper bars are connected to corresponding storage batteries through corresponding cables and charge the storage batteries; the branch copper bars are connected to corresponding parallel power supply components through corresponding cables, and the parallel power supply components and the storage batteries are arranged in a one-to-one correspondence manner; the branch copper bars are connected to a direct current monitoring management device through corresponding cables, and the direct current monitoring management device is used for monitoring and managing the working states of the parallel power supply assembly and the storage battery. The utility model provides a parallel nuclear holds alternating current-direct current power supply cabinet realizes monitoring the state of the inside battery of alternating current-direct current power supply cabinet smoothly to in time maintain or change it.
Description
Technical Field
The utility model relates to a parallel nuclear appearance alternating current-direct current power supply cabinet belongs to electrical equipment technical field.
Background
The direct-current power supply system is used as an uninterruptible power supply system for station power utilization, provides reliable and stable power supply for relay protection, automatic devices, communication telemechanical, emergency lighting and the like of a transformer substation, is a basic guarantee for safe and stable operation of the transformer substation, and is gradually improved but still has defects in the development of domestic direct-current power supply systems to date. With the development of power electronic technology, the parallel direct-current power supply system can effectively solve the problems of the series direct-current power supply system, and has obvious advantages in the aspects of reliability, safety, convenience and the like. The parallel direct-current power supply system has the greatest advantage that the storage battery can be replaced without power failure, but how to find the problem battery is the first problem of smoothly and effectively playing the role of the parallel direct-current power supply system, and if the storage battery needing to be maintained or replaced cannot be found out in time, the values of the parallel direct-current power supply system in the aspects of reliability, safety, convenience and the like cannot be fully played.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, provide a parallel nuclear holds alternating current-direct current power supply cabinet, realize smoothly monitoring the state of the inside battery of alternating current-direct current power supply cabinet, borrow this can in time discover "problem battery" to in time maintain or change it.
Therefore, the utility model adopts the technical scheme that: a parallel nuclear capacity AC-DC power cabinet comprises an AC screen (13), a DC screen (14) and a storage battery screen (8) which are arranged in sequence; a convergence copper bar (5) led out from the direct current screen (14) is arranged in the storage battery screen (8), and the convergence copper bar (5) is connected with a branch copper bar (7) in the storage battery screen (8);
the branch copper bars (7) are connected to corresponding storage batteries (2) through corresponding cables and charge the storage batteries (2);
the branch copper bars (7) are connected to corresponding parallel power supply components (9) through corresponding cables, and the parallel power supply components (9) and the storage batteries (2) are arranged in a one-to-one correspondence manner;
the branch copper bars (7) are connected to a direct current monitoring management device (11) through corresponding cables, and the direct current monitoring management device (11) is used for monitoring and managing the working states of the parallel power supply assembly (9) and the storage battery (2).
Furthermore, a plurality of drawer devices (4) are arranged in the storage battery screen (8), and a storage battery (2) and a corresponding parallel power supply assembly (9) are correspondingly arranged in each drawer device (4).
Furthermore, a sliding guide rail (1) corresponding to the drawer device (4) and used for the sliding of the drawer device (4) is arranged in the storage battery screen (8), and a handle (3) is arranged on the outer side of the drawer device (4).
Furthermore, the direct current monitoring management device (11) is respectively connected with the parallel power supply assembly (9) and the storage battery (2) through a CAN communication bus.
Furthermore, the parallel power supply assembly (9) comprises a CPU which is communicated with the direct current monitoring management device (11), an AC/DC conversion circuit, a DC/DC rectification current connected with the AC/DC conversion circuit, a filter circuit connected with the DC/DC rectification current, a DC/DC charging circuit connected with the storage battery (2) and a DC/DC discharging circuit.
The utility model has the advantages that: 1) The utility model discloses can convenient and fast find "problem battery". Through direct current monitoring management device and parallelly connected power supply module, can realize the capacity monitoring to the battery comparatively accurately, change the battery on line, very big simplification direct current system's maintenance, reduced fortune dimension personnel's work load.
2) The utility model discloses be favorable to forming the battery maintenance scheme that becomes more meticulous, a parallelly connected battery pack carries out the management that becomes more meticulous one to a battery, and direct current monitoring management device can real time monitoring battery state, can discover the capacity problem of battery in advance through parallelly connected power supply module, can formulate the maintenance scheme of battery in view of the above in advance.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is an open view of one of the drawer arrangements of the present invention;
fig. 3 is an electrical connection diagram of the dc monitoring device and the parallel power supply module according to the present invention;
fig. 4 is a schematic diagram of a single parallel power supply module according to the present invention.
In fig. 1 and 2, 1 is a slide rail, 2 is a battery, 3 is a handle, 4 is a drawer device, 5 is a busbar, 6 is a cable, 7 is a branch busbar, 8 is a battery panel, 9 is a parallel power supply module, 10 is a cable B, 11 is a dc monitoring and management device, 12 is a cable C, 13 is an ac panel, and 14 is a dc panel.
Detailed Description
A parallel nuclear capacity AC-DC power cabinet comprises an AC screen 13, a DC screen 14 and a storage battery screen 8 which are arranged in sequence; a bus bar copper bar 5 led out from the direct current screen 14 is arranged in the storage battery screen 8, and the bus bar copper bar 5 is connected with a branch copper bar 7 in the storage battery screen 8;
the branch copper bars 7 are connected to the corresponding storage batteries 2 through corresponding cables and charge the storage batteries 2;
the branch copper bars 7 are connected to corresponding parallel power supply assemblies 9 through corresponding cables, and the parallel power supply assemblies 9 and the storage batteries 2 are arranged in a one-to-one correspondence manner;
the branch copper bar 7 is connected to a direct current monitoring management device 11 through a corresponding cable, and the direct current monitoring management device 11 is used for monitoring and managing the working states of the parallel power supply assembly 9 and the storage battery 2.
Furthermore, a plurality of drawer devices 4 are arranged in the storage battery screen 8, and a storage battery 2 and a corresponding parallel power supply assembly 9 are correspondingly arranged in each drawer device 4.
Furthermore, a sliding guide rail 1 corresponding to the drawer device 4 and allowing the drawer device 4 to slide is arranged in the storage battery screen 8, and a handle 3 is arranged on the outer side of the drawer device 4.
Further, the dc monitoring and managing device 11 is connected to each parallel power supply module 9 and the storage battery 2 through a CAN communication bus.
Further, the parallel power supply module 9 includes a CPU communicating with the DC monitoring and managing device 11, an AC/DC conversion circuit, a DC/DC rectified current connected to the AC/DC conversion circuit, a filter circuit connected to the DC/DC rectified current, a DC/DC charging circuit connected to the battery 2, and a DC/DC discharging circuit.
The following is a further explanation of the present invention to better understand the present invention: the parallel nuclear capacity alternating current and direct current power cabinet is composed of a guide rail 1, a storage battery 2, a handle 3, a drawer device 4, a bus copper bar 5, a cable A6, a branch copper bar 7, a storage battery screen 8, a parallel power supply assembly 9, a cable B10, a direct current monitoring and management device 11, a cable C12, an alternating current screen 13 and a direct current screen 14. Assuming that the battery panel 8 contains 4 sets of drawer devices (where the number of drawer devices can be adjusted according to the actual situation of the substation), the configuration of each set of drawer devices is the same. Inside this parallel nuclear capacity alternating current-direct current power supply cabinet is got into through exchanging screen 13 to the outside alternating current of system, turn into the direct current back through direct current screen 14, from converging copper bar 5 and branch copper bar 7 and supplying power to the inside battery of battery screen 8, above-mentioned battery 2 is installed in drawer device 4, sliding guide 1 is fixed in the internal wall of cabinet of battery screen 8, handle 3 is fixed in the outside of drawer device 4, the copper bar 5 that converges is drawn forth by direct current screen 9, be fixed in inside the battery screen 8, branch copper bar 7 is fixed in the lower extreme that converges copper bar 5, branch copper bar 7 is fixed in to the one end of cable 6, the other end links to each other with battery 2. The battery 2 is charged by the copper bar 5 that converges, branch copper bar 7 and cable 6, direct current monitoring management device 11 is supplied power to it through cable B10 by branch copper bar 7, every parallelly connected power supply module 9 is established ties with every battery for the charge-discharge of control battery, every parallelly connected power supply module 9 is supplied power to it through cable C12 by branch copper bar 7 simultaneously, direct current monitoring management device 11 monitors the state of every parallelly connected power supply module 9 through CAN communication bus. Assuming that the storage battery 2 is to be subjected to a capacity checking operation, at this time, by operating the dc monitoring and management device 11, the dc monitoring and management device 11 will issue a capacity checking instruction to the parallel power supply module 9 corresponding to the storage battery 2, the parallel power supply module will control the storage battery 2 and convert it into a power supply state, and dynamically adjust to realize that the storage battery 2 performs constant current discharge at 0.1 times of rated current, and at the same time, the dc monitoring and management device 11 will accumulate the discharge capacity of the storage battery 2 until the discharge is completed (capacity checking is completed). If the capacity of the accumulator 2 is found to be not in accordance with the corresponding technical standard, the handle 3 can be operated to pull out the drawer device 4 through the sliding guide rail 1, and the accumulator 2 in the drawer device 4 can be directly repaired or replaced.
It should be noted that the parallel power supply module 9 and the dc monitoring and management device 11 of the present invention are not the innovative points of the present invention, and therefore, detailed description thereof is not provided herein.
The utility model discloses battery 2, parallelly connected power supply module 9 can pass through the utility model discloses drawer device 4's form is arranged, also can adopt other forms to arrange, as long as conveniently take can.
Claims (5)
1. A parallel nuclear capacity AC-DC power cabinet is characterized by comprising an AC screen (13), a DC screen (14) and a storage battery screen (8) which are arranged in sequence; a confluence copper bar (5) led out from the direct current screen (14) is arranged in the storage battery screen (8), and the confluence copper bar (5) is connected with a branch copper bar (7) in the storage battery screen (8);
the branch copper bars (7) are connected to the corresponding storage batteries (2) through corresponding cables and charge the storage batteries (2);
the branch copper bars (7) are connected to corresponding parallel power supply components (9) through corresponding cables, and the parallel power supply components (9) and the storage batteries (2) are arranged in a one-to-one correspondence manner;
the branch copper bars (7) are connected to a direct current monitoring management device (11) through corresponding cables, and the direct current monitoring management device (11) is used for monitoring and managing the working states of the parallel power supply assembly (9) and the storage battery (2).
2. A parallel nuclear capacity AC/DC power cabinet according to claim 1, characterized in that several drawer devices (4) are arranged in the battery panel (8), and each drawer device (4) is provided with a battery (2) and its corresponding parallel power supply assembly (9).
3. A parallel nuclear capacity alternating current-direct current power cabinet according to claim 2, characterized in that, a sliding guide rail (1) corresponding to the drawer device (4) and used for sliding the drawer device (4) is arranged in the battery panel (8), and a handle (3) is arranged outside the drawer device (4).
4. A parallel nuclear capacity ac/dc power cabinet according to claim 1, wherein, the dc monitoring and management device (11) is connected to each parallel power supply assembly (9) and the storage battery (2) through CAN communication bus.
5. A parallel nuclear capacity alternating current-direct current power cabinet according to claim 1, characterized in that the parallel power supply assembly (9) comprises a CPU communicating with the direct current monitoring management device (11), further comprises an AC/DC conversion circuit, a DC/DC rectified current connected to the AC/DC conversion circuit, a filter circuit connected to the DC/DC rectified current, and further comprises a DC/DC charging circuit and a DC/DC discharging circuit connected to the storage battery (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364168.XU CN218783609U (en) | 2022-12-15 | 2022-12-15 | Parallel type nuclear capacity AC/DC power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364168.XU CN218783609U (en) | 2022-12-15 | 2022-12-15 | Parallel type nuclear capacity AC/DC power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218783609U true CN218783609U (en) | 2023-03-31 |
Family
ID=85723240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223364168.XU Active CN218783609U (en) | 2022-12-15 | 2022-12-15 | Parallel type nuclear capacity AC/DC power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218783609U (en) |
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2022
- 2022-12-15 CN CN202223364168.XU patent/CN218783609U/en active Active
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