CN210016313U - Novel distributed direct-current power box - Google Patents
Novel distributed direct-current power box Download PDFInfo
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- CN210016313U CN210016313U CN201921298407.1U CN201921298407U CN210016313U CN 210016313 U CN210016313 U CN 210016313U CN 201921298407 U CN201921298407 U CN 201921298407U CN 210016313 U CN210016313 U CN 210016313U
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- power supply
- charging module
- intelligent charging
- supply box
- battery pack
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Abstract
The utility model provides a novel distributing type DC power supply case, including power supply case, intelligent charging module, lithium cell group and computer protection device, intelligent charging module is connected with lithium cell group and computer protection device respectively, and intelligent charging module input is connected with alternating current power supply, and intelligent charging module is equipped with the load output, intelligent charging module, lithium cell group and computer protection device install in the power supply case. When alternating current exists, the microcomputer protection device and the load output end are powered by the alternating current power supply, when the alternating current is out of power, the microcomputer protection device, the intelligent charging module and the load output end are powered by the lithium battery pack, the intelligent charging module detects the lithium battery pack and intelligently and uniformly floats for charging management, the service life of the battery pack is prolonged, the overall operation safety and reliability are improved, the microcomputer protection device monitors the intelligent charging module, the power transmission line fault, the power transmission line load and the self operation condition can be conveniently and timely detected, and the overall operation safety and reliability are improved.
Description
Technical Field
The utility model relates to a DC power supply technical field especially relates to a novel distributing type DC power supply case.
Background
With the rapid progress of power technology, power system equipment is also continuously developed towards automation and intellectualization, but one main factor restricting the development is the reliability, stability and expandability of an operation power supply and the tightness of battery charging and discharging management. In order to ensure the normal function of an electric power system, a distributed direct-current power supply increasingly becomes a key point of research, under the normal operation condition, the distributed direct-current power supply is in a floating charge standby state and is connected with a charger in parallel for operation, and when alternating current is lost, the distributed direct-current power supply uninterruptedly provides reliable direct current for electric equipment of the direct-current system and supplies power for important devices such as a secondary control circuit, primary switch equipment (a spring mechanism vacuum circuit breaker, an electric load switch and the like), emergency lighting and a communication optical terminal. Therefore, as a backup power source, the stability and safety of the distributed dc power source largely determine the development of the power system. But the most installation of present distributed DC power supply box is in the instrument box of cubical switchboard, can be more troublesome when needing to change the battery, and the battery is mostly poor cycle life simultaneously, and is bulky, and weight is big, the lead acid battery that is unfriendly to the environment.
Disclosure of Invention
In order to solve the technical problem, a safe and reliable distributed direct current power supply is provided.
The utility model provides a novel distributing type DC power supply case, includes power supply case, intelligent charging module, lithium cell group and computer protection device, intelligent charging module is connected with lithium cell group and computer protection device respectively, and intelligent charging module input is connected with alternating current power supply, and intelligent charging module is equipped with the load output, intelligent charging module, lithium cell group and computer protection device install in the power supply case.
Preferably, an air switch is arranged between the lithium battery pack and the intelligent charging module.
Preferably, an air switch is arranged between the input end of the intelligent charging module and the alternating current power supply, and an air switch is arranged at the load output end of the intelligent charging module.
Preferably, the lithium battery pack includes a plurality of lithium batteries connected in series.
Preferably, the lithium battery pack comprises a plurality of battery packs connected in parallel, and each battery pack comprises a plurality of lithium batteries connected in series.
The utility model provides a novel distributed DC power supply box still includes the signal lamp, the signal lamp is connected with intelligent charging module, the signal lamp is installed on chamber door, roof or the lateral wall of power supply box.
Preferably, the lower side of the power box is provided with a battery pack bracket, and the lithium battery pack is arranged on the battery pack bracket.
Preferably, shutters are arranged on two sides of the power box, and protective nets are arranged on the shutters.
Preferably, a movable mounting plate is arranged on the power box back plate, and the intelligent charging module, the air switch and the microcomputer protection device are mounted on the movable mounting plate.
Preferably, the movable mounting plate is detachably fixed on the power box back plate, and a gap is formed between the movable mounting plate and the power box back plate.
Compared with the prior art, the beneficial effects of the utility model are that: 1. when alternating current exists, the microcomputer protection device and the load output end are powered by an alternating current power supply, when the alternating current is out of power, the microcomputer protection device, the intelligent charging module and the load output end are powered by the lithium battery pack, the intelligent charging module detects the lithium battery pack and intelligently manages the lithium battery pack in a floating and charging mode, the service life of the battery pack is prolonged, and the overall operation safety and reliability are improved; 2. the lithium battery pack with small volume is adopted, the power box is designed to be smaller in volume, and the power box body is convenient to install and place; 3. the power supply box body is provided with a detachable movable mounting plate, the intelligent charging module, the air switch and the microcomputer protection device are mounted on the movable mounting plate, the power supply box is convenient to assemble, and meanwhile maintenance and repair are convenient.
Drawings
FIG. 1 is a front view of the power box structure of the present invention;
FIG. 2 is a left side view of the power box structure of the present invention;
fig. 3 is a logic block diagram of the present invention.
In the drawings, the reference numbers: 1-a power box, 2-an intelligent charging module, 3-an air switch, 4-a lithium battery pack, 5-a battery pack bracket, 6-an alternating current power supply, 7-a load output end, 8-a microcomputer protection device, 9-a signal lamp and 10-a movable mounting plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model provides a novel distributed DC power supply, as shown in fig. 1 and 3, including power supply box 1, intelligent charging module 2, lithium cell group 4 and computer protection device 8, intelligent charging module 2 is connected with lithium cell group 4 and computer protection device 8 respectively, and intelligent charging module 2 input is connected with AC power supply, and intelligent charging module 2 is equipped with load output 7, intelligent charging module 2, lithium cell group 4 and computer protection device 8 are installed in power supply box 1. The intelligent charging module 2 is used for detecting the lithium battery pack 4 and intelligently managing the uniform floating charge of the lithium battery pack 4, so that the service life of the lithium battery pack 4 is prolonged, and the overall operation safety and reliability are improved; when alternating current exists, the microcomputer protection device 8 and the load output end 7 are powered by an alternating current power supply; when the alternating current is lost, the microcomputer protection device 8, the intelligent charging module 2 and the load output end 7 are powered by the lithium battery pack; the microcomputer protection device 8 monitors the intelligent charging module 2 by collecting voltage and current, so that faults of the power transmission line, load of the power transmission line and self running conditions can be detected conveniently and timely, and safety and reliability are further improved.
An empty switch 3 is arranged between the lithium battery pack 4 and the intelligent charging module 2, and the lithium battery pack 4 can be replaced after the empty switch is disconnected, so that the lithium battery pack 4 can be conveniently replaced; an idle switch 3 can be arranged between the input end of the intelligent charging module 2 and an alternating current power supply, so that the power supply can be conveniently cut off when a fault occurs or the maintenance is carried out; the load output end 7 of the intelligent charging module 2 can also be provided with an idle switch, and the idle switch is cut off to stop the output voltage of the load output end 7.
A lithium battery pack composed of a plurality of lithium batteries connected in series to achieve a predetermined voltage; the lithium battery pack 4 may include one lithium battery pack, and may further include a plurality of lithium battery packs connected in parallel to increase the capacity of the lithium battery pack. In one specific embodiment, a single lithium battery 12V, four lithium batteries are connected in series to form a 48V 20Ah battery pack, and two battery packs are connected in parallel to form a 48V 40Ah battery pack. The lithium battery has small volume, so that the volume of the power box 1 can be designed to be smaller, and the power box body is convenient to install and place. As shown in figure 2, the battery pack bracket 5 is arranged on the lower side of the power box 1, and the lithium battery pack 4 is arranged on the battery pack bracket 5, so that the lithium battery pack is prevented from being placed at the box bottom and prevented from being corroded by moisture.
The utility model provides a novel distributed DC power supply still includes signal lamp 9, and signal lamp 9 is connected with intelligent charging module 2, and signal lamp 9 is installed on power supply box 1's chamber door, roof or lateral wall, and the signal lamp can use the three-colour signal lamp, is convenient for remind service conditions such as managers trouble, alarm, normal, ulcerate electricity.
The shutters are arranged on two sides of the power box 1, so that ventilation and cooling are facilitated; the shutter is provided with a protective net to prevent foreign objects from entering the power box. The power box 1 is further provided with a movable mounting plate 10, the movable mounting plate 10 is detachably fixed on a back plate of the power box 1 through bolts, and the intelligent charging module 2, the air switch 3 and the microcomputer protection device 8 are installed on the movable mounting plate 10 and are convenient to assemble, maintain and repair. A gap is formed between the movable mounting plate 10 and the back plate of the power box 1, so that wiring is facilitated, and the box body is simpler and more attractive. In one embodiment, the model of the intelligent charging module 2 is ZBC300-2D48 DN.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel distributed DC power supply box, includes power supply box, intelligent charging module and lithium cell group, its characterized in that still includes computer protection device, intelligent charging module is connected with lithium cell group and computer protection device respectively, and intelligent charging module input is connected with alternating current power supply, and intelligent charging module is equipped with the load output, intelligent charging module, lithium cell group and computer protection device install in the power supply box.
2. The novel distributed direct current power supply box according to claim 1, wherein an air switch is arranged between the lithium battery pack and the intelligent charging module.
3. The novel distributed direct-current power supply box according to claim 1 or 2, wherein an air switch is arranged between the input end of the intelligent charging module and the alternating-current power supply, and an air switch is arranged at the load output end of the intelligent charging module.
4. The novel distributed dc power box of claim 1, wherein said lithium battery pack comprises a plurality of lithium batteries connected in series.
5. The novel distributed direct current power box of claim 1, wherein the lithium battery pack comprises a plurality of battery packs connected in parallel with one another, and the battery packs comprise a plurality of lithium batteries connected in series with one another.
6. The novel distributed direct-current power supply box according to claim 1, further comprising a signal lamp, wherein the signal lamp is connected with the intelligent charging module, and the signal lamp is installed on a box door, a box top or a side wall of the power supply box.
7. The novel distributed direct current power supply box according to claim 1, wherein a battery pack bracket is arranged on the lower side of the power supply box, and the lithium battery pack is mounted on the battery pack bracket.
8. The novel distributed direct-current power supply box according to claim 1, wherein two sides of the power supply box are provided with shutters, and the shutters are provided with protective nets.
9. The novel distributed direct-current power supply box according to claim 1, wherein a movable mounting plate is arranged on the power supply box back plate, and the intelligent charging module, the air switch and the microcomputer protection device are mounted on the movable mounting plate.
10. The novel distributed direct current power supply box according to claim 9, wherein the movable mounting plate is detachably fixed on a power supply box back plate, and a gap is formed between the movable mounting plate and the power supply box back plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298407.1U CN210016313U (en) | 2019-08-12 | 2019-08-12 | Novel distributed direct-current power box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298407.1U CN210016313U (en) | 2019-08-12 | 2019-08-12 | Novel distributed direct-current power box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016313U true CN210016313U (en) | 2020-02-04 |
Family
ID=69319994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921298407.1U Active CN210016313U (en) | 2019-08-12 | 2019-08-12 | Novel distributed direct-current power box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210016313U (en) |
-
2019
- 2019-08-12 CN CN201921298407.1U patent/CN210016313U/en active Active
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