CN211790918U - Direct current power supply holding system - Google Patents
Direct current power supply holding system Download PDFInfo
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- CN211790918U CN211790918U CN202020765699.1U CN202020765699U CN211790918U CN 211790918 U CN211790918 U CN 211790918U CN 202020765699 U CN202020765699 U CN 202020765699U CN 211790918 U CN211790918 U CN 211790918U
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- power
- power supply
- block terminal
- direct current
- distribution box
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Abstract
The utility model provides a direct current power supply maintaining system, which comprises a first distribution box; the utility model discloses a power supply of commercial power and generator, including first block terminal, power converter, second block terminal, charger, first block terminal output and power converter, the first block terminal is inputed the power of commercial power and generator respectively, first block terminal output is connected with power converter, power converter output is connected with the second block terminal, the input of second block terminal still is connected with the battery, and the battery passes through the power of charger access commercial power, a plurality of direct current loads are connected respectively to the output of. The utility model uses the power supply selection switch to cut off and connect a plurality of lines twice through the DC power supply holding circuit; the direct current supply holding circuit considers the system power supply requirements when commercial power exists, a generator generates power, and no commercial power exists or the generator generates power, selects a storage battery with large capacity, and totally adopts three power supply modes to enable the system to be available in power no matter what state.
Description
Technical Field
The utility model relates to a DC power supply keeps system.
Background
At present, domestic power supply and distribution systems have various power supply modes, and when one power supply mode cannot meet the power supply requirement of the system, the system is often powered by a mode with multiple power supply modes. However, in many designs of power supply and distribution systems, the power supply method is switched by selecting a method of manually inserting and extracting a cable. Such a handling method is not only time consuming, but also brings about great potential safety hazard, which is likely to cause electric shock hazard to operators, and reduces the service life of the electrical connector, which is not allowed to occur. Therefore, there is a need to develop a new dc power supply holding circuit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a new direct current power supply holding circuit, the circuit adopts commercial power, generator, battery to the system power supply to designed power supply selector switch and switched the power supply mode, utilized power supply selector switch's quick break-make function can realize that the power supply mode switches, increased AC/DC power module very much to direct current equipment and realized the alternating current-direct current conversion, reduced the risk that manual plug supply cable brought. The core of the system is a double-use power supply selection switch and a modular design. The direct-current power supply holding circuit can realize convenient, quick and seamless connection for supplying power to the direct-current power equipment.
The utility model discloses a following technical scheme can realize.
The utility model provides a DC power supply maintaining system, which comprises a first distribution box; the utility model discloses a power supply of commercial power and generator, including first block terminal, power converter, second block terminal, charger, first block terminal output and power converter, the first block terminal is inputed the power of commercial power and generator respectively, first block terminal output is connected with power converter, power converter output is connected with the second block terminal, the input of second block terminal still is connected with the battery, and the battery passes through the power of charger access commercial power, a plurality of direct current loads are connected respectively to the output of.
Change-over switches are installed in the first distribution box and the second distribution box.
The first distribution box switches the power type in the input power converter through the change-over switch.
The power converter is an AC/DC voltage-reducing regulator, and the input 380V power supply of the power converter outputs DC24V power supply.
The charger converts the voltage of the mains supply into DC24V for input into the battery.
The second distribution box switches power input to each direct current between the power converter and the storage battery through the change-over switch.
The beneficial effects of the utility model reside in that: 1. the direct current power supply holding circuit uses the power supply selection switch twice to cut off and connect a plurality of lines;
2. the direct current power supply holding circuit considers the system power supply requirements when commercial power exists, a generator generates power and no commercial power exists or the generator does not exist, a storage battery with large capacity is selected, and three power supply modes are adopted in total to enable the system to be available in power no matter what state;
3. the AC/DC voltage reduction voltage stabilizer is selected for the power supply holding circuit, the power supply module has a certain input and output range, and the AC/DC voltage reduction voltage stabilizer can be used as a voltage stabilizing power supply while performing AC/DC conversion, so that rear-stage electric equipment is prevented from being burnt out when a front-end generator or mains voltage fluctuates greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the power supply comprises 1-mains supply, 2-a first distribution box, 3-a generator, 4-a power converter, 5-a storage battery, 6-a charger, 7-a second distribution box, 8-a first load, 9-a second load and 10-a third load.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the utility model provides a DC supply holding circuit, DC supply holding circuit mainly include generator 3, commercial power 1, first block terminal 2, 5 battery, AC/DC step-down stabiliser 4, second block terminal 7, and direct current load includes direct current servo motor, direct current contactor, needs direct current supply equipment etc.. A DC power supply holding circuit switches power supply modes by using a power supply selection switch twice, so that the whole electric system can realize free power supply no matter what conditions the whole electric system is.
The generator and the mains supply are connected into a first distribution box, a power supply selection switch is installed on a panel of the first distribution box, and the mains supply and the generator supply can be switched at will.
The AC/DC power supply module takes AC380V output by commercial power or a generator selected by a panel power supply selection switch of the distribution box 1 as input, and converts AC380V into DC 24V.
The second distribution box 7 takes the DC24V output by the power converter 4 and the 24V output by the storage battery pack as input, and the combined panel is provided with another power supply selection switch which can switch the power supply of the power supply module and the power supply of the storage battery at will.
The storage battery charger can continuously charge the storage battery pack when commercial power is available.
The storage battery pack is formed by connecting two 12V storage batteries in series, and when no commercial power or a generator supplies power, the storage battery pack keeps a full power state to supply power.
In the whole circuit, the power supply selection switch is used twice to cut off and connect a plurality of lines, the switching process is completely controlled by the quick switching mechanism, the circuit is not influenced by operators, and the circuit is suitable for controlling a direct current circuit and electronic equipment.
The specific implementation mode of the invention is as follows: 1. when no generator or storage battery exists in the mains supply, the power supply selection switch on the panel of the distribution box 1 is turned to a mains supply gear, the indicator lamp above the mains supply gear is on, the distribution box 1 outputs the mains supply power as the input of the AC/DC power supply module, the power supply module realizes the AC/DC conversion and then takes the DC24V as the input of the distribution box 2, the power supply selection switch on the panel of the distribution box 2 is turned to a power supply module gear, the indicator lamp above the power supply module gear is on, and at the moment, the rear-stage direct-current electric equipment adopts the mains supply to supply power. Meanwhile, when commercial power is available, the storage battery charger is used for fully charging the storage battery for standby. 2. When the generator has no commercial power or a storage battery, turning on a power supply selection switch on a panel of a distribution box 1 to a generator gear, turning on an indicator lamp above the generator gear, enabling power output of the generator to be used as input of an AC/DC power supply module by the distribution box 1, enabling DC24V to be used as input of a distribution box 2 after the power supply module realizes AC/DC conversion, turning on the power supply selection switch on the panel of the distribution box 2 to a power supply module gear, turning on the indicator lamp above the power supply module gear, and at the moment, adopting the generator to supply power to rear-stage direct-current electric equipment; 2. when the storage battery has no commercial power and is used as a generator, the power supply selection switch on the panel of the distribution box 1 is turned to the middle gear, the power supply selection switch on the panel of the distribution box 2 is turned to the storage battery gear, the indicating lamp above the storage battery gear is on, and at the moment, the storage battery is adopted by the rear-stage direct-current power equipment for power supply.
Claims (6)
1. A dc power supply maintenance system comprising a first distribution box (2), characterized in that: the utility model discloses a power supply of commercial power (1) and generator (3) are inputed respectively to first block terminal (2), first block terminal (2) output is connected with power converter (4), power converter (4) output is connected with second block terminal (7), the input of second block terminal (7) still is connected with battery (5), and battery (5) insert the power of commercial power (1) through charger (6), a plurality of direct current loads are connected respectively to the output of second block terminal (7).
2. The dc power supply holding system according to claim 1, wherein: change-over switches are installed in the first distribution box (2) and the second distribution box (7).
3. The dc power supply retention system of claim 2, wherein: the first distribution box (2) switches the power type in the input power converter (4) through a change-over switch.
4. The dc power supply retention system of claim 3, wherein: the power converter (4) is an AC/DC step-down voltage regulator, and the input 380V power supply of the power converter outputs DC24V power supply.
5. The dc power supply holding system according to claim 1, wherein: the charger (6) converts the voltage of the commercial power (1) into DC24V to be input into the storage battery (5).
6. The dc power supply holding system according to claim 1, wherein: the second distribution box (7) switches power input to each direct current between the power converter (4) and the storage battery (5) through the change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765699.1U CN211790918U (en) | 2020-05-11 | 2020-05-11 | Direct current power supply holding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765699.1U CN211790918U (en) | 2020-05-11 | 2020-05-11 | Direct current power supply holding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211790918U true CN211790918U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020765699.1U Active CN211790918U (en) | 2020-05-11 | 2020-05-11 | Direct current power supply holding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211790918U (en) |
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2020
- 2020-05-11 CN CN202020765699.1U patent/CN211790918U/en active Active
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