CN212543668U

CN212543668U - Wall-mounted power supply device

Info

Publication number: CN212543668U
Application number: CN202021076333.XU
Authority: CN
Inventors: 陈建斌; 丁玮; 沈豪杰; 邵凯俊
Original assignee: Huzhou Electric Power Complete Equipment Co ltd
Current assignee: Huzhou Electric Power Complete Equipment Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-12
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a wall-hanging power supply unit relates to power supply unit technical field. Including hanging power supply box and hanging battery box, be provided with two sets of ac input end in the hanging power supply box and be connected to two sets of ac input end's contactor device respectively, still include the first ac circuit who connects ac input end via the contactor device, first ac circuit is connected with a plurality of rectification modules, still includes the first direct current circuit of connecting the rectification module, still includes first combined floodgate circuit and the second control circuit who sets away from first direct current circuit branch, the hanging battery box still with first combined floodgate circuit connection. The utility model discloses have the temperature compensation function, take the insulating monitoring of generating line, adjustable circuit voltage is applicable to small-size switch station, small-size user's transformer substation and join in marriage the electrical room, and the practicality is stronger.

Description

Wall-mounted power supply device

Technical Field

The utility model relates to a power supply unit technical field especially relates to a wall-hanging power supply unit.

Background

The direct current power supply system is applied to hydraulic power plants, thermal power plants and various transformer substations, mainly comprises a storage battery, a charging device, a direct current feeder screen, a direct current power distribution cabinet, a direct current power supply monitoring device, a direct current branch feeder and the like, forms a huge and distributed direct current power supply network, and provides safe and reliable working power supplies for various subsystems such as a relay protection device, a circuit breaker tripping and closing device, a signal system, a direct current charger, a UPS (uninterrupted power supply), communication and the like. The existing wall-mounted direct-current power supply device is mainly used for large-scale user substations, is large in size, high in cost and occupied space, and is not suitable for small-scale switch stations, small-scale user substations and power distribution rooms, so that the improvement of the wall-mounted direct-current power supply device is a problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wall-hanging power supply unit, this device adopt 220V AC input circuit to set up two sets of 220V alternating currents and each other is for reserve, and the output multichannel closes mother and the accuse is female, and the detectable generating line is insulating. The full-automatic management battery charging process, the volume is less, is applicable to the power distribution room to solve above-mentioned technical problem.

The utility model provides a technical scheme of above-mentioned problem is: the wall-mounted power supply device comprises a wall-mounted power supply box and a wall-mounted battery box, wherein two sets of alternating current input ends are arranged in the wall-mounted power supply box, the wall-mounted power supply box and a contactor device connected to the two sets of alternating current input ends respectively comprise a first alternating current circuit connected with the alternating current input ends through the contactor device, the first alternating current circuit is connected with a plurality of rectification modules, the wall-mounted power supply device further comprises a first direct current circuit connected with the rectification modules, and the wall-mounted power supply device further comprises a first closing circuit and a second control circuit which are arranged away from the first direct current circuit in a branching mode, and the wall-mounted battery.

Preferably, be provided with a plurality of battery pack in the hanging battery box to adopt the mode of establishing ties to connect gradually between the battery pack.

Preferably, the automatic control circuit further comprises a voltage reduction silicon chain connected between the first direct current circuit and the second control circuit, and a silicon chain manual bypass switch connected between the first closing circuit and the second control circuit.

Preferably, the circuit further comprises a main monitor which is simultaneously and electrically connected to the rectifying module and the buck silicon chain and is used for detecting circuit information.

Preferably, the battery switch is arranged on a connecting line between the wall-mounted battery box and the first closing circuit.

Preferably, the device further comprises an alternating current input switch arranged on a connection line of the alternating current input end and the contactor device.

Preferably, the model specification of the battery pack is 24 AH/12V.

Preferably, the switching-on circuit further comprises a plurality of switching-on power supply output ends arranged on the first switching-on circuit, and a switching-on female switch arranged between the switching-on power supply output ends and the first switching-on circuit.

Preferably, the switching circuit further comprises a plurality of control power output ends arranged on the second control circuit, and a control mother switch arranged between the control power output ends and the first switching-on circuit.

The utility model has the advantages that: the utility model discloses a wall-hanging power supply unit, the device include hanging power supply box and hanging battery box, are provided with multiunit circuit structure and detection circuitry's detection device in the hanging power supply box, and the battery is placed alone to the hanging battery box, separately sets up hanging power supply box and hanging battery box, can improve the utility model discloses a security. In addition, two groups of 220V alternating current power supplies are connected to the wall-mounted power supply box, one group of alternating current power supplies can be used as a standby power supply when the contactor device selects one group of alternating current input, and therefore the combination that the two groups of alternating current power supplies are mutually the standby power supplies can be formed, and the stability of the device is improved. After the alternating current enters the first alternating current circuit from the contactor, the alternating current is converted into direct current through the rectifier module and then is transmitted to the first direct current circuit, the voltage can be stabilized to a certain degree, and the stability of the current in the first direct current circuit is improved. Therefore, the current of the first direct current circuit can be conveniently guided to the first closing circuit and output to the closing output power end, and meanwhile, the battery pack can be charged in real time. Meanwhile, the current on the second direct current circuit can be conveniently conducted to the second control circuit and further to the control output power end, and finally output to external electric power and electric equipment. The whole set of power box is also provided with a main monitor for monitoring the alternating current voltage and other electrical information, the direct current voltage and other electrical information, technicians can regulate and control the silicon chain manual bypass switch according to monitoring data of the main monitor to control the work of the voltage reduction silicon chain, and the output voltage of the second control circuit is kept within a specified range.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a system diagram of a wall-mounted power supply according to an embodiment of the present invention;

fig. 2 is a schematic front view of a wall-mounted power supply according to an embodiment of the present invention;

fig. 3 is a back schematic view of an appearance structure of a wall-mounted power supply device according to an embodiment of the present invention;

fig. 4 is a schematic front view of an internal structure of a wall-mounted power supply device according to an embodiment of the present invention;

fig. 5 is a plan view of a battery box of a wall-mounted power supply according to an embodiment of the present invention;

fig. 6 is an overall structural front view of a wall-mounted power supply according to an embodiment of the present invention.

1-a wall-mounted power box, 11-an alternating current input end, 12-a contactor device, 13-a first alternating current circuit, 14-a rectifying module, 15-a first direct current circuit, 16-a first closing circuit, 17-a second control circuit, 18-an alternating current input switch, 2-a wall-mounted battery box, 21-a battery assembly, 22-a battery switch, 3-a step-down silicon chain, 31-a silicon chain manual bypass switch, 4-a main monitor, 5-a closing female switch, 6-a closing female switch, 7-a closing power output end and 8-a control power output end.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Please refer to fig. 1 to 6, the utility model discloses a wall-mounted power supply unit, including wall-mounted power supply box 1 and wall-mounted battery box 2, be provided with two sets of ac input end 11 in the wall-mounted power supply box 1, and be connected to the contactor device 12 of two sets of ac input end 11 respectively, still include the first ac circuit 13 of connecting ac input end 11 via contactor device 12, first ac circuit 13 is connected with a plurality of rectifier module groups 14, still including the first dc circuit 15 who connects rectifier module group 14, still include the first combined floodgate circuit 16 and the second control circuit 17 that set away from first dc circuit 15 branch, wall-mounted battery box 2 still is connected with first combined floodgate circuit 16. In this embodiment, the size specification of the wall-mounted power box 1 is 510mm × 275mm × 710mm, and the size specification of the wall-mounted battery box 2 is 600mm × 235mm × 700 mm. Wherein hanging power supply box 1 is provided with two-layer cabinet body from top to bottom, places main watch-dog 4 and rectifier module 14 in the upper cabinet body, and wherein rectifier module 14 still communicates with main watch-dog 4 except can converting the alternating current into direct current, has malfunction alerting, excess temperature warning's function on it in addition. The intelligent degree is higher. The rectifier module 14 adopts a rectifier produced by Shanghai polymer kernel brand, the model specification is JR110D05ZZ-3, the operating voltage is 220V/3A, and the rectifier module further has a self-cooling function. The lower cabinet body of the wall-mounted power box 1 is used for mounting a plurality of switching devices and circuit structures. The input voltage of the alternating current input end 11 is 220V. Contactor device 12 is model CJX4-2510, available from Delaware brand.

As a preferred aspect of the present embodiment, a plurality of battery assemblies 21 are disposed in the wall-mounted battery box 2, and the battery assemblies 21 are connected in series. The battery assembly 21 adopts a Huashen maintenance-free lead storage battery, the model specification of the battery assembly is set to be 24AH/12V, in the embodiment, the battery assembly 21 is totally provided with 9, the 9 battery assemblies 21 are orderly installed in the wall-mounted battery box 2, the battery assemblies 21 are connected in series by adopting a connecting circuit and then connected with a first closing circuit 16 in the wall-mounted power box 1 to form a charging and discharging loop of the wall-mounted battery box 2. The wall-mounted battery box 2 is convenient to use for power supply under special conditions such as power failure.

As a preferred item of the present embodiment, a main monitor 4 is further included, which is electrically connected to the rectifier module 14 and the buck silicon chain 3 at the same time for detecting circuit information. The main monitor 4 is JRJK006G-3S, carries a control program, and is provided with a silicon chain 3 for reducing pressure, and is also produced by Shanghai Polyren corporation. The voltage reduction silicon chain 3 is used for connecting the first direct current circuit 15 and the second control circuit 17, and a silicon chain manual bypass switch 31 is arranged between the first closing circuit 16 and the second control circuit 17, wherein the silicon chain manual bypass switch 31 adopts a model specification of R9-00, and is produced by Thai brand. Can be used to adjust the voltage across the second control circuit 17 to be in the appropriate range. Meanwhile, the main monitor 4 can be used for detecting the voltage on each circuit, detecting whether the bus insulation is abnormal or not, and detecting the power supply voltage of the battery box.

And a battery switch 22 is arranged on a connecting circuit between the wall-mounted battery box 2 and the first closing circuit 16. An ac input switch 18 is also provided on the connection line between the ac input terminal 11 and the contactor device 12. The circuit breaker further comprises a plurality of switch-on power output ends 7 arranged on the first switch-on circuit 16, and a switch-on female switch 5 arranged between the switch-on power output ends 7 and the first switch-on circuit 16. The control circuit also comprises a plurality of control power supply output ends 8 arranged on the second control circuit 17, and a control mother switch 6 arranged between the control power supply output ends 8 and the first closing circuit 16. The battery switch 22, the closing mother switch 5 and the control mother switch 6 are all air automatic switches, also called direct current circuit breakers, and are manufactured by a brocade brand, and the model number of the direct current circuit breaker is YJBIZ-63-C20-2P. The ac input switch 18 is a model DZ267-32C20 ac switch available from the zhengtai brand. The switch-on power output end 7 and the control power output end 8 can be divided into a plurality of strands, and in this embodiment, 2 groups of switch-on power outputs and 3 groups of control power outputs are adopted, which are respectively connected with external power equipment to provide power.

Where not mentioned above, all are applicable to the prior art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A wall-mounted power supply device is characterized in that: including hanging power supply box (1) and hanging battery box (2), be provided with two sets of ac input end (11) in hanging power supply box (1), and be connected to contactor device (12) of two sets of ac input end (11) respectively, still include first ac circuit (13) via contactor device (12) connection ac input end (11), first ac circuit (13) are connected with a plurality of rectifier module groups (14), still including first dc circuit (15) of connecting rectifier module group (14), still include first combined floodgate circuit (16) and second control circuit (17) that set away from first dc circuit (15) branch, hanging battery box (2) still are connected with first combined floodgate circuit (16).

2. A wall-mounted power supply apparatus according to claim 1, wherein: a plurality of battery packs (21) are arranged in the wall-mounted battery box (2), and the battery packs (21) are connected in series.

3. A wall-mounted power supply apparatus according to claim 1, wherein: the circuit also comprises a voltage reduction silicon chain (3) connected between the first direct current circuit (15) and the second control circuit (17), and a silicon chain manual bypass switch (31) connected between the first closing circuit (16) and the second control circuit (17).

4. A wall-mounted power supply apparatus according to claim 3, wherein: the circuit also comprises a main monitor (4) which is simultaneously and electrically connected to the rectifying module (14) and the buck silicon chain (3) and is used for detecting circuit information.

5. A wall-mounted power supply apparatus according to claim 1, wherein: the battery switch is characterized by further comprising a battery switch (22) arranged on a connecting line between the wall-mounted battery box (2) and the first closing circuit (16).

6. A wall-mounted power supply apparatus according to claim 1, wherein: and the alternating current input switch (18) is arranged on a connecting line of the alternating current input end (11) and the contactor device (12).

7. A wall-mounted power supply apparatus according to claim 2, wherein: the model specification of the battery pack (21) is 24 AH/12V.

8. A wall-mounted power supply apparatus according to claim 1, wherein: the circuit breaker further comprises a plurality of switch-on power supply output ends (7) arranged on the first switch-on circuits (16), and a switch-on female switch (5) arranged between the switch-on power supply output ends (7) and the first switch-on circuits (16).

9. A wall-mounted power supply apparatus according to claim 1, wherein: the circuit also comprises a plurality of control power supply output ends (8) arranged on the second control circuit (17) and a control mother switch (6) arranged between the control power supply output ends (8) and the first closing circuit (16).