Modularized low-voltage direct-current power supply device

Abstract

The utility model belongs to the technical field of salt lake lithium extraction production and processing, and particularly relates to a modularized low-voltage direct-current power supply device, which comprises a shell, a single-board power supply module, a positioning plate, a cover plate and a guide groove, the single-board power supply module, the positioning plate, the cover plate and the guide groove are all arranged on the shell and are realized by adopting a son-mother board plug-in mode, and the single-board power supply module, the positioning plate, the cover plate and the guide groove are arranged on the shell. Real-time monitoring and data transmission are carried out on each path of power supply, and a plurality of power supply devices can be used in parallel. When one power supply loop or a whole power supply device breaks down, an alarm signal is sent to a background for recording, maintenance early warning is provided, and other loops can operate normally.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium extraction production and processing in salt lakes, in particular to a modular low-voltage direct current power supply device. Background Art

[0002] Currently, common power supplies adopt wide range + high power density design, 3U chassis, voltage 0~5V, current 0~250A and other application scenarios of related voltage / current parameter adjustment.

[0003] There are several issues:

[0004] 1. It cannot solve the problem of miniaturization of the power supply device, local installation and use, long line connection and low system efficiency;

[0005] 2. It cannot solve the modularization of the power supply device and the convenience of installation and maintenance;

[0006] 3. Multiple loads are connected to the same power supply device, and the lines are of different lengths, which cannot solve the problem of power loss of each load cable;

[0007] 4. Using one power supply device for multiple loads cannot meet the requirement of independent control of each load;

[0008] 5. It cannot solve the various power failure problems caused by the corrosion of components in the power supply device in a high-salt environment;

[0009] 6. The cost is relatively high. Utility Model Content

[0010] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0011] In view of the above-mentioned and / or existing problems in the production and processing of lithium extraction from salt lakes, the present utility model is proposed.

[0012] Therefore, the purpose of the utility model is to provide a modular low-voltage DC power supply device, which is implemented by plugging motherboards into daughterboards, real-time monitoring and data transmission of each power supply, and multiple power supply devices can be used in parallel. When one of the power supply circuits or a power supply device fails, an alarm signal is sent to the background for filing, and a maintenance warning is issued, and other circuits can operate normally.

[0013] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0014] A modular low-voltage direct current power supply device comprises: a shell, a single-board power supply module, a positioning plate, a cover plate and a guide groove, wherein the single-board power supply module, the positioning plate, the cover plate and the guide groove are all arranged on the shell.

[0015] As a preferred solution of a modular low-voltage DC power supply device described in the utility model, wherein: the shell includes a bottom plate of the shell, a shell side fixing plate, a shell ventilation side plate and a shell side plate, the shell side plate is provided with a guide groove, the single-board power supply modules are arranged and combined and loaded into the shell one by one, and are connected and fixed to the bottom plate of the shell, and the positioning plate is nested on the five single-board power supply modules and connected and fixed to the ventilation side plate of the shell.

[0016] As a preferred solution of a modular low-voltage DC power supply device described in the utility model, the single-board power supply module includes a glue-filled shell, a PCB daughter board, a PCB motherboard docking connector and an output end docking connector. After the PCB daughter board is installed in the glue-filled shell and fixed, the thermal conductive glue is injected to form a single-board power supply module.

[0017] As a preferred solution of a modular low-voltage DC power supply device described in the utility model, the cover plate includes a support plate, a PCB motherboard, a parallel connector, a mother-sub board docking connector and an input end docking connector, and the welded PCB motherboard is connected and fixed to the support plate.

[0018] As a preferred solution of a modular low-voltage DC power supply device described in the utility model, wherein: in the shell, two side fixing plates are provided with convection vents; inside the shell, a positioning plate is provided on the upper end of the single-board power module, and the single-board power module blocks are nested and positioned in five groups, and then connected and fixed to the ventilation side plates of the shell; a PCB motherboard is provided on the cover plate, and is connected to the single-board power module one by one through a connector plug-in method to form a connection relationship between the mother and child boards, a parallel connector is provided on the PCB motherboard, and an indicator light is provided on the PCB motherboard.

[0019] As a preferred solution of the modular low-voltage DC power supply device described in the utility model, the cover plate and the shell are inserted after being limited by the guide grooves on the side plates of the shell, and then connected and fixed.

[0020] Compared with the prior art: the utility model is designed in a modular structure and small volume, and can be installed and used nearby in a small space; after the power supply device is miniaturized, it can be used in a centralized combination in multiples of 2; the single-board power module in the power supply device adopts two independent power circuits, and then five single-board power modules are arranged and combined together to form a power supply device with 10 independent circuits as a group; each circuit can be independently adjusted and operated according to the established current and voltage parameters, and the system efficiency is greatly improved, and it is not affected by other loads and other power supply device circuits. After the power supply device is miniaturized, the device can be closer to the customer's load end, the cable length of each circuit is the same, and the cable power loss is reduced; the overall material cost is also reduced; the single-board power module in the power supply device adopts thermal conductive glue potting, and the sheet metal shell strengthens the strength of the PCB sub-board to solve the problem of various electronic components caused by the easy corrosion of the power supply device in the salt lake environment, and increase the heat dissipation area; the power supply device adopts an upper cover and a lower shell, and the component guide is installed in a plug-in manner, which is more convenient for maintenance;

[0021] The utility model adopts the mother-and-child board plug-in mode to realize real-time monitoring and data transmission of each power supply, and multiple power supply devices can be used in parallel. When one of the power supply circuits or a power supply device fails, an alarm signal is sent to the background for filing, and a maintenance warning is issued, and other circuits can operate normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the housing structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the bottom structure of the shell of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of a single-board power module of the utility model;

[0027] Figure 5 This is a schematic diagram of the cover structure of the utility model;

[0028] Figure 6 This is a schematic diagram of the cover plate connection structure of the utility model.

[0029] In the figure: housing 1, bottom plate 1-2, wiring hole 1-3, vent 1-6, housing side fixing plate 1-7, housing ventilation side plate 1-8, housing side plate 1-9, 2 packages of single-board power modules, glue-filled housing 2-1, PCB daughter board 2-2, PCB motherboard docking connector 2-3, output end docking connector 2-4, positioning plate 3, cover plate 4, support plate 4-1, PCB motherboard 4-2, parallel connector 4-3, indicator light 4-4, docking connector with daughter board and mother board 4-5, input end docking connector 4-6, guide groove 5. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0032] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0033] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] The utility model provides a modular low-voltage DC power supply device, which is implemented by plugging motherboards into daughterboards, real-time monitoring and data transmission of each power supply, and multiple power supply devices can be used in parallel. When one of the power supply circuits or a power supply device fails, an alarm signal is sent to the background for filing, and a maintenance warning is issued. Other circuits can operate normally. Please refer to Figure 1-Figure 5 , including: a shell 1, a single-board power module 2, a positioning plate 3, a cover plate 4 and a guide groove 5.

[0035] The invention comprises a bottom plate 1-2 arranged in a housing 1 assembly; two wiring holes 1-3 for output terminals are respectively arranged on the bottom plate 1-2; positioning holes 1-5 for a single-board power module 2 are arranged on both sides of the two wiring holes 1-3, the single-board power module 2 is fixed, and the output end leads downward, so that the device can be closer to the customer's load end, the customer load is connected to the device one-to-one, the cable length of each loop is the same, and the cable length is minimized, and the cable power loss is reduced.

[0036] In the housing 1, convection vents 1-6 are provided on the two side fixing plates 1-7 to enhance the heat dissipation of the single-board power module 2; inside the housing 1, a positioning plate 3 is provided on the upper end of the single-board power module 2, and the single-board power modules 2 are nested and positioned in five groups, and then connected and fixed to the housing ventilation side plates 1-8; a PCB motherboard 4-2 is provided on the cover plate 4 assembly, and is connected to the single-board power module 2 one by one through the connector plug-in method to form a connection relationship between the motherboard and the child board. A parallel connector 4-3 is provided on the PCB motherboard 4-2 to ensure that each power supply device can communicate normally; an indicator light 4-4 is also provided on the PCB motherboard 4-2 to indicate the operating status of each circuit and the operating status of each group of power supply devices when paralleling.

[0037] The single-board power module 2 includes a glue-filled shell 2-1, a PCB daughter board 2-2, a PCB motherboard docking connector 2-3, and an output end docking connector 2-4; the PCB daughter board 2-2 is welded and installed, and after the glue-filled shell 2-1 is fixed, the thermal conductive glue is injected to form a single-board power module 2, forming a single-board power module with two independently controlled and adjustable paths; the single-board power module can be independently adjusted and operated according to the established current and voltage parameters without being affected by other loads.

[0038] The housing 1 assembly includes a housing bottom plate 1-2, a housing side fixing plate 1-7, a housing ventilation side plate 1-8, a housing side plate 1-9, a single-board power module 2, a positioning plate 3, and a guide groove 5 on the housing side plate 1-9; the positioning plate 3 is then nested in the five single-board power modules 2 and connected and fixed to the housing ventilation side plate 1-8;

[0039] Arrange and combine five single-board power modules 2 and install them into the housing 1, connect and fix them with the bottom plate 1-2 of the housing 1, and then nest the positioning plate 3 in the five single-board power modules and connect and fix them with the ventilation side plate of the housing to form a power supply device with 10 loops as a group. The device can be independently adjusted and operated according to the established current and voltage parameters, and is not affected by the load of the loops of other power supply devices.

[0040] The cover plate 4 assembly includes a support plate 4-1, a PCB motherboard 4-2, a parallel connector 4-3, an indicator light 4-4, a connector 4-5 for connecting with the motherboard and the sub-board, and an input end connector 4-6; the welded PCB motherboard 4-2 is fixed to the support plate 4-1.

[0041] Finally, the cover plate 4 assembly and the shell 1 assembly are inserted through the guide groove 5 on the shell side plate 1-9 and then connected and fixed.

[0042] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A modular low voltage DC power supply device, characterized in that: include: A shell (1), a single-board power module (2), a positioning plate (3), a cover plate (4) and a guide groove (5); the single-board power module (2), the positioning plate (3), the cover plate (4) and the guide groove (5) are all arranged on the shell (1).

2. A modular low-voltage DC power supply device according to claim 1, characterized in that: The shell (1) comprises a bottom plate (1-2) of the shell (1), a shell side fixing plate (1-7), a shell ventilation side plate (1-8) and a shell side plate (1-9); a guide groove (5) is provided on the shell side plate (1-9); the single-board power modules (2) are arranged and assembled and loaded into the shell (1) one by one, and are connected and fixed to the bottom plate (1-2) of the shell; the positioning plate (3) is nested on the five single-board power modules (2) and is connected and fixed to the shell ventilation side plate (1-8).

3. A modular low-voltage DC power supply device according to claim 2, characterized in that: The single-board power module (2) comprises a glue-filled housing (2-1), a PCB sub-board (2-2), a PCB motherboard docking connector (2-3) and an output-end docking connector (2-4); after the PCB sub-board (2-2) is installed in the glue-filled housing (2-1) and fixed, heat-conducting glue is injected to form a single-board power module (2).

4. A modular low-voltage DC power supply device according to claim 3, characterized in that: The cover plate (4) comprises a support plate (4-1), a PCB motherboard (4-2), a parallel connector (4-3), a mother-sub-sub board docking connector (4-5) and an input end docking connector (4-6), and the welded PCB motherboard (4-2) is connected and fixed to the support plate (4-1).

5. A modular low-voltage DC power supply device according to claim 4, characterized in that: In the shell (1), two side fixing plates (1-7) are provided with convection vents (1-6); inside the shell (1), a positioning plate (3) is provided at the upper end of the single-board power module (2), and the single-board power modules (2) are nested and positioned in five groups, and then connected and fixed to the shell ventilation side plates (1-8); a PCB motherboard (4-2) is provided on the cover plate (4), and is connected to the single-board power modules (2) one by one through a connector plug-in method to form a mother-child connection relationship; a parallel connector (4-3) is provided on the PCB motherboard (4-2), and an indicator light (4-4) is provided on the PCB motherboard (4-2).

6. A modular low-voltage DC power supply device according to claim 5, characterized in that: The cover plate (4) and the shell (1) are inserted after being limited by the guide groove (5) on the shell side plate (1-9), and then connected and fixed.

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