Direct-current power supply cabinet and direct-current power supply system

Abstract

The utility model discloses a direct current power supply cabinet and a direct current power supply system, comprising a cabinet body and a plurality of direct current power supply assemblies, two sides in the cabinet body are vertically provided with installation racks, the plurality of direct current power supply assemblies are installed on the installation racks from top to bottom, and the installation racks are installed on the cabinet body. Each direct-current power supply assembly comprises a layer plate, an insulating plate, at least one voltage conversion module and a plurality of direct-current connection terminal groups, the layer plates are fixed on the mounting frame, the insulating plates are arranged on the layer plates, the voltage conversion modules are arranged on the layer plates, the direct-current connection terminal groups are arranged on the insulating plates at intervals, and the voltage conversion modules are connected with the direct-current connection terminal groups. The positive electrode / negative electrode end of one direct-current connection terminal group is used for being connected with the direct-current positive electrode / negative electrode output end of one voltage conversion module and the positive electrode / negative electrode input end of post-stage equipment. According to the direct current power supply cabinet, the number of the direct current power supply assemblies can be configured according to actual power supply load requirements, and different electrical load requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of DC power supply, and particularly relates to a DC power supply cabinet and a DC power supply system. Background Art

[0002] The building intelligent system refers to a system that combines advanced technologies such as information technology, automation technology, and communication technology with all aspects of a building, and realizes the automated, intelligent, and networked management of the building through data collection, analysis, and application.

[0003] In the prior art, the intelligent terminal devices of each subsystem of the building intelligent system are generally powered by a DC switching power supply. With the advent of 5G, the power load requirements of intelligent terminal devices in different application scenarios and functional requirements of various buildings, venues, office and residential buildings are different. It is inconvenient to increase or decrease the power load of the traditional DC switching power supply, and it is difficult to meet different power load requirements. Summary of the Utility Model

[0004] Embodiments of the utility model provide a DC power supply cabinet and a DC power supply system to solve the technical problem that the existing DC switching power supply in related technologies is difficult to meet the different power load requirements of intelligent terminal devices of each subsystem of the building intelligent system.

[0005] In a first aspect, a DC power supply cabinet is provided, including:

[0006] A cabinet body, on both sides of which inside are vertically provided with mounting racks;

[0007] A plurality of DC power supply components, which are installed on the mounting racks from top to bottom, and each DC power supply component includes:

[0008] A layer board, which is fixed on the mounting rack;

[0009] An insulating board, which is arranged on the layer board;

[0010] At least one voltage conversion module, which is arranged on the layer board;

[0011] A plurality of DC connection terminal groups, which are spaced on the insulating board, and the positive / negative terminal of one DC connection terminal group is used to connect with the DC positive / negative output terminal of one voltage conversion module and the positive / negative input terminal of the subsequent device.

[0012] In some embodiments, each DC power supply component includes:

[0013] A high-voltage terminal corresponding to one of the voltage conversion modules, the high-voltage terminal is arranged on the insulating board, and the high-voltage terminal connects the neutral terminal and the live wire terminal of the voltage conversion module to the neutral wire and the live wire of the mains electricity respectively, and connects the grounding terminal of the voltage conversion module to the cabinet grounding end of the cabinet.

[0014] In some embodiments, each DC power supply component further includes:

[0015] A circuit breaker corresponding to one of the voltage conversion modules, the circuit breaker is arranged between the high-voltage terminal and the voltage conversion module.

[0016] In some embodiments, each DC power supply component further includes:

[0017] A plurality of fuses, one of the fuses is arranged between the positive / negative terminal of one of the DC connection terminal groups and the DC positive / negative output terminal of the voltage conversion module.

[0018] In some embodiments, the layer board is provided with first ventilation and heat dissipation holes.

[0019] In some embodiments, each DC power supply component further includes:

[0020] A flame-retardant PVC wire trough, which is arranged around the layer board.

[0021] In some embodiments, each DC power supply component further includes:

[0022] A decorative blind plate, which is arranged on the layer board.

[0023] In some embodiments, the top of the cabinet is provided with second ventilation and heat dissipation holes.

[0024] In some embodiments, one side of the cabinet is hinged with a tempered glass cabinet door.

[0025] In some embodiments, the tempered glass cabinet door is provided with a door lock with a handle.

[0026] In a second aspect, a DC power supply system is provided, including the aforementioned DC power supply cabinet.

[0027] The beneficial effects brought by the technical solution provided by the present utility model include:

[0028] An embodiment of the present utility model provides a DC power supply cabinet and a DC power supply system. The DC power supply cabinet is provided with a cabinet body and a plurality of DC power supply components. Installation racks are vertically arranged on both sides inside the cabinet body. The plurality of DC power supply components are installed on the installation racks on both sides inside the cabinet body from top to bottom. The number of the DC power supply components can be configured according to the actual power load requirements, so as to meet different power load requirements. Brief Description of the Drawings

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0030] Figure 1 It is a schematic structural diagram of a DC power supply cabinet provided by an embodiment of the present invention;

[0031] Figure 2 It is a partial schematic diagram of a DC power supply cabinet provided by an embodiment of the present invention;

[0032] Figure 3 It is another partial schematic diagram of a DC power supply cabinet provided by an embodiment of the present invention;

[0033] In the figure:

[0034] 1, cabinet body; 11, mounting rack; 12, cabinet body grounding end; 13, second ventilation and heat dissipation hole; 14, tempered glass cabinet door; 15, door lock;

[0035] 2, DC power supply component; 21, layer board; 211, first ventilation and heat dissipation hole; 22, insulating board; 23, voltage conversion module; 24, DC connection terminal group; 25, high-voltage wiring terminal; 26, circuit breaker; 27, fuse; 28, flame-retardant PVC wire groove; 29, decorative blind plate. Detailed Embodiments

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0037] The embodiments of the present invention provide a DC power supply cabinet, which can solve the technical problem that existing DC switching power supplies are difficult to meet the different power load requirements of intelligent terminal devices in each subsystem of a building intelligent system.

[0038] See Figure 1 As shown, the embodiments of the present invention provide a DC power supply cabinet, including: a cabinet body 1 and a plurality of DC power supply components 2.

[0039] On both sides inside the cabinet body 1, mounting frames 11 are vertically provided. A plurality of DC power supply components 2 are mounted on the mounting frames 11 from top to bottom. Each DC power supply component 2 includes: a layer board 21, an insulating board 22, at least one voltage conversion module 23, and a plurality of DC connection terminal groups 24.

[0040] The layer board 21 is fixed to the mounting frame 11. The insulating board 22 is arranged on the layer board 21. The voltage conversion module 23 is arranged on the layer board 21. A plurality of DC connection terminal groups 24 are arranged on the insulating board 22 at intervals. The positive / negative terminal of one DC connection terminal group 24 is used to connect with the DC positive / negative output terminal of one voltage conversion module 23 and the positive / negative input terminal of the subsequent device. See Figure 1 As shown, two voltage conversion modules 23 are provided on the layer board 21, and the two voltage conversion modules 23 are respectively located on both sides of the layer board 21. Each voltage conversion module 23 can convert the commercial power of 220V into a DC output of 12V / 24V.

[0041] In the DC power supply cabinet in the embodiment of the present utility model, it is provided with a cabinet body and a plurality of DC power supply components. Mounting frames are vertically provided on both sides inside the cabinet body. A plurality of the DC power supply components can be mounted on the mounting frames on both sides inside the cabinet body from top to bottom. The number of the DC power supply components can be configured according to the actual power load requirements to meet different power load requirements. Figure 1 Two of the DC power supply components are configured, and the number of the DC power supply components can be increased or decreased according to actual needs. Moreover, the number of voltage conversion modules in the DC power supply components can also be adjusted.

[0042] As an optional implementation manner, in an embodiment of the utility model, see Figure 2 As shown, each DC power supply component 2 includes: a high-voltage connection terminal 25 corresponding to one voltage conversion module 23. The high-voltage connection terminal 25 is arranged on the insulating board 22. The high-voltage connection terminal 25 respectively connects the neutral terminal and the live wire terminal of the voltage conversion module 23 with the neutral wire and the live wire of the commercial power, and connects the grounding terminal of the voltage conversion module 23 with the cabinet grounding end 12 of the cabinet body 1. The main function of the high-voltage connection terminal 25 is to achieve electrical connection. It is located at the power inlet end, responsible for introducing and distributing electric power, and can withstand large currents and voltages to ensure the stable supply of electric power. In addition, the high-voltage connection terminal 25 also has a protection function, which can prevent overcurrent and overvoltage, thereby protecting other electrical equipment from damage. It can not only extend the service life of the equipment, but also avoid production interruption caused by equipment failure.

[0043] As an optional implementation manner, in an embodiment of the utility model, seeFigure 2 As shown, each DC power supply component 2 further includes: a circuit breaker 26 corresponding to one of the voltage conversion modules 23. The circuit breaker 26 is disposed between the high-voltage terminal 25 and the voltage conversion module 23. The circuit breaker 26 protects the circuit and can automatically cut off the circuit when serious overload or other faults occur.

[0044] As an alternative embodiment, in a utility model embodiment, refer to Figure 2 As shown, each DC power supply component 2 further includes: a plurality of fuses 27. One of the fuses 27 is disposed between the positive / negative terminal of one of the DC connection terminal groups 24 and the DC positive / negative output terminal of the voltage conversion module 23. The fuse 27 will melt itself and cut off the current when the current abnormally increases, protecting the safe operation of the circuit.

[0045] As an alternative embodiment, in a utility model embodiment, refer to Figure 2 As shown, the laminate 21 is provided with first ventilation and heat dissipation holes 211, which can help the voltage conversion module 23 dissipate heat and ensure the normal operation of the voltage conversion module 23.

[0046] As an alternative embodiment, in a utility model embodiment, refer to Figure 1 As shown, each DC power supply component 2 further includes: a flame-retardant PVC wire groove 28, which is disposed around the laminate 21. The flame-retardant PVC wire groove 28 is made of PVC plastic and has characteristics such as insulation, flame retardancy, and self-extinguishing. It is suitable for internal wiring of electrical equipment and provides mechanical protection and electrical protection for wires. The flame-retardant PVC wire groove 28 not only has excellent flame-retardant insulation properties and can self-extinguish after encountering fire, improving the use safety. In addition, the color of the flame-retardant PVC wire groove 28 is mainly gray, which is beautiful and practical, convenient for checking and repairing the circuit, and has good toughness and environmental protection. It can protect the wires from damage, avoid damage from wind, rain, and sunlight, and has a long service life.

[0047] As an alternative embodiment, in a utility model embodiment, refer to Figure 1 As shown, each DC power supply component 2 further includes: a decorative blind plate 29, which is disposed on the laminate 21. The decorative blind plate 29 can effectively prevent impurities such as dust, debris, and moisture from entering. The decorative blind plate 29 has aesthetics and can be customized with different colors and surface treatments according to requirements.

[0048] As an alternative embodiment, in a utility model embodiment, refer to Figure 3As shown, a second ventilation and heat dissipation hole 13 is provided at the top of the cabinet body 1, and a heat dissipation fan can be arranged at the second ventilation and heat dissipation hole 13 to improve the heat dissipation effect.

[0049] As an optional implementation manner, in a utility model embodiment, refer to Figure 3 As shown, a tempered glass cabinet door 14 is hinged to one side of the cabinet body 1. The tempered glass cabinet door 14 has good waterproof and moisture-proof performance, is easy to clean, and has high safety performance. Further, a door lock 15 with a handle is provided on the tempered glass cabinet door 14.

[0050] The utility model embodiment also provides a DC power supply system, which includes the aforementioned DC power supply cabinet, and the DC power supply cabinet includes: a cabinet body 1 and a plurality of DC power supply components 2.

[0051] Installation frames 11 are vertically provided on both sides inside the cabinet body 1, and a plurality of DC power supply components 2 are installed on the installation frames 11 from top to bottom. Each DC power supply component 2 includes: a layer board 21, an insulating board 22, at least one voltage conversion module 23, and a plurality of DC connection terminal groups 24.

[0052] The layer board 21 is fixed to the installation frame 11, the insulating board 22 is arranged on the layer board 21, the voltage conversion module 23 is arranged on the layer board 21, and a plurality of DC connection terminal groups 24 are arranged at intervals on the insulating board 22. The positive / negative terminal of one DC connection terminal group 24 is used to connect to the DC positive / negative output terminal of one voltage conversion module 23 and the positive / negative input terminal of the subsequent device. Refer to Figure 1 As shown, two voltage conversion modules 23 are provided on the layer board 21, and the two voltage conversion modules 23 are respectively located on both sides of the layer board 21. Each voltage conversion module 23 can convert the commercial power of 220V into a DC output of 12V / 24V.

[0053] In the DC power supply system in the utility model embodiment, the DC power supply cabinet is provided with a cabinet body and a plurality of DC power supply components. Installation frames are vertically provided on both sides inside the cabinet body, and the plurality of DC power supply components can be installed on the installation frames on both sides inside the cabinet body from top to bottom. The number of the DC power supply components can be configured according to the actual power load demand to meet different power load demands. Figure 1 Two DC power supply components are configured, and the number of the DC power supply components can be increased or decreased according to actual needs, and the number of voltage conversion modules in the DC power supply components can also be adjusted.

[0054] As an optional implementation manner, in a utility model embodiment, refer to Figure 2As shown, each DC power supply component 2 includes: a high-voltage terminal 25 corresponding to one of the voltage conversion modules 23. The high-voltage terminal 25 is provided on the insulating board 22. The high-voltage terminal 25 connects the neutral terminal and the live wire terminal of the voltage conversion module 23 to the neutral wire and the live wire of the mains electricity respectively, and connects the grounding terminal of the voltage conversion module 23 to the cabinet grounding end 12 of the cabinet 1. The main function of the high-voltage terminal 25 is to achieve electrical connection. It is located at the power inlet end, responsible for introducing and distributing electric power, and can withstand large currents and voltages to ensure stable power supply. In addition, the high-voltage terminal 25 also has a protection function, which can prevent overcurrent and overvoltage, thereby protecting other electrical equipment from damage. It can not only extend the service life of the equipment, but also avoid production interruption caused by equipment failure.

[0055] As an optional implementation manner, in a utility model embodiment, refer to Figure 2 As shown, each DC power supply component 2 also includes: a circuit breaker 26 corresponding to one of the voltage conversion modules 23. The circuit breaker 26 is provided between the high-voltage terminal 25 and the voltage conversion module 23. The circuit breaker 26 protects the circuit and can automatically cut off the circuit when serious overload and other faults occur.

[0056] As an optional implementation manner, in a utility model embodiment, refer to Figure 2 As shown, each DC power supply component 2 also includes: a plurality of fuses 27. One of the fuses 27 is provided between the positive / negative terminal of one of the DC connection terminal groups 24 and the DC positive / negative output terminal of the voltage conversion module 23. The fuse 27 will melt itself and cut off the current when the current abnormally increases, protecting the safe operation of the circuit.

[0057] As an optional implementation manner, in a utility model embodiment, refer to Figure 2 As shown, the layer board 21 is provided with first ventilation and heat dissipation holes 211. The first ventilation and heat dissipation holes 211 can help the voltage conversion module 23 dissipate heat and ensure the normal operation of the voltage conversion module 23.

[0058] As an optional implementation manner, in a utility model embodiment, refer to Figure 1As shown, each DC power supply component 2 further includes: a flame-retardant PVC wire duct 28, which is provided around the laminate 21. The flame-retardant PVC wire duct 28 is made of PVC plastic and has characteristics such as insulation, flame retardancy and self-extinguishing. It is suitable for internal wiring of electrical equipment and plays a role in mechanical protection and electrical protection for wires. The flame-retardant PVC wire duct 28 not only has excellent flame-retardant insulation performance and can self-extinguish after encountering fire, which improves the use safety. In addition, the color of the flame-retardant PVC wire duct 28 is mainly gray, which is beautiful and practical, convenient for checking and repairing circuits. At the same time, it has good toughness and environmental protection, can protect the wires from damage, avoid damage from wind, rain and sunlight, and has a long service life.

[0059] As an optional implementation manner, in a utility model embodiment, refer to Figure 1 As shown, each DC power supply component 2 further includes: a decorative blind plate 29, and the decorative blind plate 29 is provided on the laminate 21. The decorative blind plate 29 can effectively prevent impurities such as dust, debris, and moisture from entering. The decorative blind plate 29 has aesthetics and can be customized with different colors and surface treatments according to requirements.

[0060] As an optional implementation manner, in a utility model embodiment, refer to Figure 3 As shown, a second ventilation and heat dissipation hole 13 is provided at the top of the cabinet body 1, and a heat dissipation fan can be arranged at the second ventilation and heat dissipation hole 13 to improve the heat dissipation effect.

[0061] As an optional implementation manner, in a utility model embodiment, refer to Figure 3 As shown, a tempered glass cabinet door 14 is hinged to one side of the cabinet body 1. The tempered glass cabinet door 14 has good waterproof and moisture-proof performance, is easy to clean, and has high safety performance. Further, a door lock 15 with a handle is provided on the tempered glass cabinet door 14.

[0062] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. Unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0063] It should be noted that in the present utility model, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0064] The above are only specific embodiments of the present utility model, enabling those skilled in the art to understand or implement the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features of the present utility model.

Claims

1. A DC power supply cabinet, characterized in that: include: The cabinet (1) has mounting frames (11) vertically disposed on both sides of the cabinet; A plurality of DC power supply components (2) are mounted on the mounting frame (11) from top to bottom, and each DC power supply component (2) comprises: A layer plate (21) fixed on the mounting frame; An insulating plate (22) disposed on the layer plate (21); At least one voltage conversion module (23) disposed on the layer board (21); A plurality of DC connection terminal groups (24) are arranged at intervals on the insulating plate (22), and a positive / negative terminal of a DC connection terminal group (24) is used to connect to a DC positive / negative output terminal of a voltage conversion module (23) and a positive / negative input terminal of a subsequent device.

2. The DC power supply cabinet according to claim 1, characterized in that: Each DC power supply assembly (2) comprises: A high-voltage terminal (25) corresponding to one of the voltage conversion modules (23), the high-voltage terminal (25) being arranged on the insulating plate (22), the high-voltage terminal (25) respectively connecting the neutral line terminal and the live line terminal of the voltage conversion module (23) to the neutral line and the live line of the mains, and connecting the grounding terminal of the voltage conversion module (23) to the cabinet grounding terminal (12) of the cabinet (1).

3. The DC power supply cabinet according to claim 2, characterized in that: Each DC power supply assembly (2) further comprises: A circuit breaker (26) corresponding to one of the voltage conversion modules (23), the circuit breaker (26) being arranged between the high-voltage connection terminal (25) and the voltage conversion module (23).

4. The DC power supply cabinet according to claim 1, characterized in that: Each DC power supply assembly (2) further comprises: A plurality of fuses (27), one of the fuses (27) being arranged between a positive / negative terminal of a DC connection terminal group (24) and a DC positive / negative output terminal of the voltage conversion module (23).

5. The DC power supply cabinet according to claim 1, characterized in that: The layer plate (21) is provided with first ventilation and heat dissipation holes (211).

6. The DC power supply cabinet according to claim 1, characterized in that: Each DC power supply assembly (2) further comprises: The flame-retardant PVC wire duct (28) is arranged around the layer board (21).

7. The DC power supply cabinet according to claim 1, characterized in that: Each DC power supply assembly (2) further comprises: A decorative blind plate (29) is arranged on the layer plate (21).

8. The DC power supply cabinet according to claim 1, characterized in that: The top of the cabinet (1) is provided with a second ventilation and heat dissipation hole (13).

9. The DC power supply cabinet according to claim 1, characterized in that: A tempered glass cabinet door (14) is hingedly connected to one side of the cabinet body (1), and a door lock (15) with a handle is provided on the tempered glass cabinet door (14).

10. A DC power supply system, characterized in that: It comprises a DC power supply cabinet according to any one of claims 1 to 9.

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