Compact low-voltage drawer cabinet

Abstract

The utility model discloses a compact low-voltage drawer cabinet, comprising a cabinet body, the inner wall of the cabinet body is slidably connected with drawer units arranged at equal intervals, the inner wall of each drawer unit is provided with a circuit breaker, and the circuit breaker is integrated with a current transformer. An incoming line connector and an outgoing line connector which are arranged at equal intervals are installed on the back face of the cabinet body, the wiring ends of the incoming line connector and the outgoing line connector penetrate through and extend into the cabinet body, and the front faces of the incoming line connector and the outgoing line connector are connected with a circuit breaker and a current transformer respectively. According to the utility model, the connector and the three poles of the circuit breaker can be directly connected, the cost is reduced due to no lap joint copper bars, the installation space of electrical elements is increased, the depth of the drawer can be properly reduced, the miniaturization and compact functions of the low-voltage drawer cabinet are realized, and the problem that the connection copper bars of different brands of circuit breakers cannot be universalized is solved; the equipment safety and the production and manufacturing efficiency are improved, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure drawer cabinet technical field, specifically, relate to a compact low pressure drawer cabinet. BACKGROUND

[0002] Low pressure drawer cabinet is a kind of combination that multiple low voltage switchgears and control, measurement, signal, protection, adjustment etc. devices related thereto are connected by electricity and machinery, and are assembled together by structural components. It is mainly applied to power plant, main power grid, variable distribution site, airport, rail transit, and metallurgy, petroleum and petrifaction, coal mine, industry and civil construction etc. power supply field, and can also be used in nuclear energy, wind power, photovoltaic, energy storage etc. new energy field, is the important equipment to guarantee new energy facility energy efficient transmission and distribution, civil electrical safety operation etc.

[0003] At present, the main circuit inlet side connector of the drawer unit of low voltage drawer cabinet on the market is three-pole integrated, since the connector is horizontally arranged, and the A, B, C three poles of circuit breaker are vertically arranged, to ensure that the polarity connection is correct and insulation requirement, the connection between connector and circuit breaker three poles needs to be connected by multiple lapping copper bars, there are problems of installation space shortage, many lapping fault points, large contact resistance and heat, high power consumption and large copper bar usage. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a compact low pressure drawer cabinet to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A compact low pressure drawer cabinet, comprising a cabinet body, a plurality of drawer units are slidably connected to the inner wall of the cabinet body at equal distances, a circuit breaker is installed on the inner wall of each drawer unit, a current transformer is integrated on the circuit breaker, a plurality of inlet connectors and outlet connectors are installed on the back of the cabinet body at equal distances, the wiring ends of the inlet connectors and outlet connectors all extend to the inside of the cabinet body, and the front surfaces of the inlet connectors and outlet connectors are connected with the circuit breaker and current transformer respectively.

[0007] Further description of the above technical scheme:

[0008] Two channels are formed in the inner wall of the cabinet body, air inlet holes are formed in the inner wall of the left channel at equal distances, and fans are embedded and installed in the inner wall of the right channel at equal distances, cavities are formed in the left and right sides of each drawer unit, and heat dissipation holes are uniformly distributed in the inner wall of each cavity.

[0009] Further description of the above technical scheme:

[0010] The inner wall of the air inlet hole is screwed with a filter plate, and the left side of the filter plate is fixedly connected with a square bar.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The scheme enables the plug-in connector to be directly connected with the three poles of the circuit breaker, reduces the cost without overlapping copper bars, increases the installation space of the electrical components, properly reduces the depth of the drawer, realizes the miniaturization and compactness of the low-voltage drawer cabinet, solves the problem that the copper bars of different brands of circuit breakers cannot be universalized, improves the safety of the equipment and the production and manufacturing efficiency, and reduces the cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is a perspective view of the utility model;

[0015] Figure 3 It is a partial sectional perspective view of the utility model;

[0016] Figure 4 It is a partial sectional perspective view of the utility model.

[0017] Mark explanation in the drawing:

[0018] 1, cabinet; 2, drawer unit; 3, circuit breaker; 4, current transformer; 5, incoming line plug-in connector; 6, outgoing line plug-in connector; 7, channel; 8, air inlet hole; 9, fan; 10, cavity; 11, heat dissipation hole; 12, filter plate; 13, square bar. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] Please refer to Figures 1-4 In the utility model: a compact low-voltage drawer cabinet, comprising a cabinet 1, the inner wall of the cabinet 1 is slidably connected with drawer units 2 arranged at equal distances, the inner wall of the drawer units 2 is installed with circuit breakers 3, the circuit breakers 3 are integrated with current transformers 4, the back of the cabinet 1 is installed with incoming line plug-in connectors 5 and outgoing line plug-in connectors 6 arranged at equal distances, the wiring ends of the incoming line plug-in connectors 5 and the outgoing line plug-in connectors 6 are all penetrated and extended to the inside of the cabinet 1, and the front of the incoming line plug-in connectors 5 and the outgoing line plug-in connectors 6 is connected with the circuit breakers 3 and the current transformers 4 respectively.

[0021] The utility model discloses, incoming line connector 5 and outgoing line connector 6 are single pole type connector, make the connector with circuit breaker 3 three pole can carry out direct connection, no lap copper bar reduces cost, increase electrical component installation space at the same time, make the drawer depth can be reduced properly, realize the miniaturization compact function of low voltage drawer cabinet, solve the problem that the copper bar of different brand circuit breaker 3 connects cannot be universal simultaneously, improve equipment safety and production manufacturing efficiency, reduce cost.

[0022] Please refer to Figures 2-4 Wherein: the inner wall of the cabinet body 1 is provided with two passages 7, the inner wall of the left passage 7 is provided with air inlet holes 8 arranged at equal distances, the inner wall of the right passage 7 is embedded with fans 9 arranged at equal distances, the left and right sides of the drawer unit 2 are both provided with cavities 10, and the inner wall of the cavity 10 is provided with evenly distributed heat dissipation holes 11.

[0023] In the utility model, during the use of the drawer cabinet, the user starts the fan 9, the air from the outside enters the left passage 7 through the air inlet hole 8, then enters the cavity 10 and enters the drawer unit 2 through the heat dissipation hole 11, then flows in the drawer unit 2 and flows out from the right heat dissipation hole 11 and enters the right passage 7 from the cavity 10, then the air is discharged by the fan 9, with the air flowing in the drawer unit 2, the temperature rise of the low-voltage drawer cabinet is reduced, compared with the traditional heat dissipation mechanism, the land occupation of the radiator can be saved, and the miniaturization compact function of the low-voltage drawer cabinet is realized.

[0024] Please refer to Figure 3 Wherein: the inner wall of the air inlet hole 8 is threadedly connected with a filter plate 12, and the left side of the filter plate 12 is fixedly connected with a square bar 13.

[0025] In the utility model, the filter plate 12 can be connected with the internal thread arranged on the inner wall of the air inlet hole 8, the user can disassemble and clean the filter plate 12 through the square bar 13, the filter plate 12 can filter the air entering the drawer unit 2, thereby improving the practicability of the device.

[0026] The above is only a preferred specific embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A compact low-voltage drawer cabinet comprising a cabinet body (1), characterized in that: The inner wall of the cabinet body (1) is slidably connected with drawer units (2) arranged at equal distances, the inner wall of the drawer unit (2) is provided with circuit breakers (3), and the circuit breakers (3) are integrated with current transformers (4); The back of the cabinet body (1) is provided with incoming line connectors (5) and outgoing line connectors (6) arranged at equal distances, the wiring ends of the incoming line connectors (5) and the outgoing line connectors (6) are penetrated through and extended to the inside of the cabinet body (1), and the front of the incoming line connectors (5) and the outgoing line connectors (6) are connected with the circuit breakers (3) and the current transformers (4) respectively.

2. A compact low-voltage drawer cabinet according to claim 1, characterized in that: Two passages (7) are formed in the inner wall of the cabinet body (1), air inlet holes (8) are formed in the inner wall of the left passage (7) at equal distances, fan (9) are embedded and arranged in the inner wall of the right passage (7) at equal distances, cavities (10) are formed in the left and right sides of the drawer unit (2), and the inner wall of the cavity (10) is provided with evenly distributed heat dissipation holes (11).

3. A compact low-voltage drawer cabinet according to claim 2, characterized in that: The inner wall of the air inlet hole (8) is threadedly connected with a filter plate (12), and the left side of the filter plate (12) is fixedly connected with a square bar (13).

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