Indoor electrical cabinet

Abstract

The utility model discloses an indoor electrical cabinet, which comprises an electrical cabinet main body, an isolation metal plate and a heat dissipation mechanism, the isolation metal plate divides the interior of the electrical cabinet main body into a working cavity and a heat dissipation cavity, and vent holes are uniformly distributed on the end face of the isolation metal plate. The heat dissipation mechanism comprises a plurality of hollow steel pipes which abut against the isolation metal plate and are arranged in the heat dissipation cavity side by side at equal intervals, a water containing tank is arranged at the top end of the heat dissipation cavity, the side wall of the water containing tank communicates with the hollow steel pipes through a plurality of water pipes, an air inlet hole is formed in the bottom wall of the heat dissipation cavity, and an air outlet is formed in the bottom wall of the working cavity; heat in the cabinet body is directly absorbed through the isolation metal plate, the hollow steel pipe is in contact with the isolation metal plate to absorb heat, water in the hollow steel pipe is cooled under the action of the semiconductor chilling plate, and air entering the cabinet body from the air inlet holes is also cooled and absorbs heat when entering the working cavity through the isolation metal plate. And the temperature in the working cavity can be reduced in an unsmooth ventilation environment.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical cabinets, in particular to an indoor electrical cabinet. Background Art

[0002] Electrical cabinets are made of steel and are used to protect the normal operation of components. Electrical cabinets are often used to place various types of electrical components, which are interconnected to achieve corresponding control purposes.

[0003] The use environment of electrical cabinets can be simply divided into two types: outdoor and indoor. The indoor use environment is better than the open and unobstructed outdoor environment, but the indoor environment is often stuffy and unventilated. The electronic components inside the electrical cabinet generate heat when working, and the electrical cabinet is generally locked for safety reasons. Therefore, both the inside and outside of the electrical cabinet face the problems of poor ventilation and heat dissipation. In order to protect the safe operation of the electronic components inside the electrical cabinet, we propose an indoor electrical cabinet. Summary of the invention

[0004] The problem to be solved by the utility model is that the electrical cabinets used indoors in the prior art have the problems of poor ventilation and poor heat dissipation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an indoor electrical cabinet, comprising an electrical cabinet body, an isolation metal plate, and a heat dissipation mechanism, wherein a cabinet door is hingedly connected to one end of the opening of the electrical cabinet body, the isolation metal plate is arranged inside the electrical cabinet body, the isolation metal plate divides the interior of the electrical cabinet body into a working chamber and a heat dissipation chamber, the end surface of the isolation metal plate is evenly distributed with ventilation holes, the heat dissipation mechanism comprises a plurality of hollow steel pipes arranged side by side at equal intervals in the heat dissipation chamber, the plurality of hollow steel pipes are structures with both ends closed and the interior hollow, the side walls of the plurality of hollow steel pipes are in contact with the isolation metal plate, and the top of the heat dissipation chamber is provided with a first through hole A water tank opening upward is arranged in the first through hole, a box door is hinged at the first through hole, and a first handle is arranged on the box door. The side walls of the water tank are connected with the plurality of hollow steel pipes through a plurality of water pipes respectively. An air inlet is arranged on the bottom wall of the heat dissipation cavity, and a bearing is arranged in the air inlet. Both sides of the bearing are fixed to the side walls of the air inlet through brackets. A rotating shaft is fixed in the inner ring of the bearing, and a plurality of fan blades are evenly distributed on one end of the rotating shaft. The other end of the rotating shaft is connected to the output end of the transmission motor. An L-shaped support plate is arranged at the bottom end of the electrical cabinet body, and the transmission motor is arranged at the top end of the L-shaped support plate. An air outlet is arranged on the bottom wall of the working cavity.

[0006] As a preferred solution of the indoor electrical cabinet described in the utility model, a second through hole is opened at a position on the bottom wall of the heat dissipation cavity corresponding to the plurality of hollow steel pipes, a metal plate is arranged in the second through hole, and the bottom ends of the plurality of hollow steel pipes are fixed to the top end of the metal plate.

[0007] As a preferred solution of the indoor electrical cabinet described in the utility model, a plurality of semiconductor refrigeration sheets are arranged at the bottom end of the metal plate, the plurality of semiconductor refrigeration sheets are electrically connected to the power supply through wires, the ends of the plurality of semiconductor refrigeration sheets facing the metal plate are cooling ends, the heating ends of the plurality of semiconductor refrigeration sheets are connected with heat sinks, and the bottom ends of the heat sinks are fixed to the bottom end of the electrical cabinet body through a support frame.

[0008] As a preferred solution of the indoor electrical cabinet described in the utility model, a water tank is arranged at the bottom end of the electrical cabinet body, a first pipe is arranged at the upper part of one side of the water tank, and a second pipe is arranged at the upper part of the other side of the water tank, the pipe opening of the second pipe is facing the heat sink, and the air outlet is connected to an air outlet pipe, and the air outlet pipe passes through the first pipe and the second pipe on the water tank in sequence.

[0009] As a preferred solution of the indoor electrical cabinet described in the utility model, a second handle is provided on the cabinet door, and supporting legs are provided at four corners of the bottom end of the electrical cabinet body.

[0010] The beneficial effects of the utility model are as follows: the utility model directly absorbs the heat emitted by the electronic components through the isolating metal plate, the hollow steel pipe in the heat dissipation mechanism contacts the isolating metal plate to absorb heat, the water inside the hollow steel pipe begins to cool and absorb the heat inside the cabinet under the action of the semiconductor refrigeration sheet, the wind entering the cabinet through the air inlet hole will also be cooled and absorb heat when it passes through the isolating metal plate and enters the working cavity, and the temperature in the working cavity can also be reduced in an indoor environment with poor ventilation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0012] Figure 1 It is a visual diagram of an indoor electrical cabinet.

[0013] Figure 2 The figure is a schematic diagram of the internal structure of an indoor electrical cabinet.

[0014] Figure 3The present invention is a schematic diagram of the internal structure of a heat dissipation cavity in an indoor electrical cabinet.

[0015] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0016] Figure 5 The present invention is a bottom view of an indoor electrical cabinet.

[0017] Figure 6 This is a schematic diagram of the internal structure of an indoor electrical cabinet from another perspective.

[0018] Figure 7 for Figure 6 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0019] The utility model is specifically introduced below in conjunction with the accompanying drawings and embodiments.

[0020] Reference Figures 1 to 7 The present embodiment is an indoor electrical cabinet, comprising an electrical cabinet body 1, an isolation metal plate 2, and a heat dissipation mechanism 3. A cabinet door 1a is hinged at one end of the opening of the electrical cabinet body 1. An isolation metal plate 2 is arranged inside the electrical cabinet body 1. The isolation metal plate 2 divides the interior of the electrical cabinet body 1 into a working chamber 1b and a heat dissipation chamber 1c. Ventilation holes 2a are evenly distributed on the end surface of the isolation metal plate 2. The heat dissipation mechanism 3 comprises a plurality of hollow steel pipes 3a arranged side by side in the heat dissipation chamber 1c at equal intervals. The plurality of hollow steel pipes 3a are structures with hollow interiors closed at both ends. The side walls of the plurality of hollow steel pipes 3a are in contact with the isolation metal plate 2. A first through hole 1d is opened at the top of the heat dissipation chamber 1c. A water tank 3b opening upward is arranged in the first through hole 1d. The first through hole 1d is provided with a water tank 3b opening upward. A box door 3b-1 is hinged at the hole 1d, and a first handle 3b-2 is provided on the box door 3b-1. The side walls of the water tank 3b are connected with a plurality of hollow steel pipes 3a through a plurality of water pipes 3c respectively. An air inlet hole 1e is provided on the bottom wall of the heat dissipation cavity 1c, and a bearing 3d is provided in the air inlet hole 1e. Both sides of the bearing 3d are fixed to the side walls of the air inlet hole 1e through brackets 3d-1. A rotating shaft 3d-2 is fixed in the inner ring of the bearing 3d. A plurality of fan blades 3d-3 are evenly distributed on one end of the rotating shaft 3d-2, and the other end of the rotating shaft 3d-2 is connected to the output end of the transmission motor 3d-4. An L-shaped support plate 1f is provided at the bottom end of the electrical cabinet body 1, and the transmission motor 3d-4 is arranged at the top of the L-shaped support plate 1f. An air outlet 1b-1 is provided on the bottom wall of the working cavity 1b.

[0021] Open the box door 3b-1 at the first through hole 1d, pour water into the water tank 3b, and the water flows into the interior of the plurality of hollow steel pipes 3a through the plurality of water pipes 3c until the tank is full, then close the box door 3b-1, and the electronic components in the working chamber 1b can directly absorb the heat after dissipating the heat, and the isolation metal plate 2 abuts against the plurality of hollow steel pipes 3a filled with water, and the plurality of hollow steel pipes 3a can directly absorb the heat of the isolation metal plate 2, accelerating the cooling, and start the transmission motor 3d-4, the transmission The motor 3d-4 drives the rotating shaft 3d-2 to rotate, and several fan blades 3d-3 at the end of the rotating shaft 3d-2 send external air into the heat dissipation chamber 1c. The air entering the heat dissipation chamber 1c passes through several hollow steel pipes 3a and ventilation holes 2a evenly distributed on the isolation metal plate 2 in turn before entering the working chamber 1b. When the air passes through several hollow steel pipes 3a, the hollow steel pipes 3a can cool the air, so that the temperature of the air entering the working chamber 1b drops, thereby providing better cooling treatment for the working chamber 1b.

[0022] In this embodiment, a second through hole 1c-1 is opened at a position on the bottom wall of the heat dissipation cavity 1c corresponding to the plurality of hollow steel tubes 3a, a metal plate 3e is arranged in the second through hole 1c-1, and the bottom ends of the plurality of hollow steel tubes 3a are fixed to the top end of the metal plate 3e.

[0023] When the plurality of hollow steel tubes 3a absorb enough heat and their temperature rises, the bottoms of the plurality of hollow steel tubes 3a transfer the temperature to the metal plate 3e.

[0024] In this embodiment, a plurality of semiconductor refrigeration sheets 3f are provided at the bottom end of the metal plate 3e, and the plurality of semiconductor refrigeration sheets 3f are electrically connected to a power supply through wires. One end of the plurality of semiconductor refrigeration sheets 3f facing the metal plate 3e is a cooling end, and the heating ends of the plurality of semiconductor refrigeration sheets 3f are connected to a heat sink 3g, and the bottom end of the heat sink 3g is fixed to the bottom end of the electrical cabinet body 1 through a support frame 3g-1.

[0025] When a plurality of semiconductor refrigeration sheets 3f are powered on, the cooling ends of the plurality of semiconductor refrigeration sheets 3f can absorb heat and cool down the metal plate 3e that has absorbed the heat, and indirectly cool down the plurality of hollow steel pipes 3a, so that the air entering the heat dissipation cavity 1c can still be cooled, while the heating ends of the plurality of semiconductor refrigeration sheets 3f transfer the heat to the heat sink 3g, and the heat sink 3g continuously dissipates heat in the air.

[0026] In this embodiment, a water tank 3h is provided at the bottom end of the electrical cabinet body 1, a first pipe 3h-1 is provided on the upper part of one side of the water tank 3h, and a second pipe 3h-2 is provided on the upper part of the other side of the water tank 3h. The pipe mouth of the second pipe 3h-2 faces the heat sink 3g, and the air outlet 1b-1 is connected to the air outlet pipe 3i, and the air outlet pipe 3i passes through the first pipe 3h-1 and the second pipe 3h-2 on the water tank 3h in sequence.

[0027] The air entering the working chamber 1b is discharged through the air outlet 1b-1, and the air outlet pipe 3i connected to the air outlet 1b-1 passes through the first pipe 3h-1 and the second pipe 3h-2 on the water tank 3h in sequence. Since there is water in the water tank 3h, the water in the water tank 3h can cool down the hot air that has absorbed heat in the air outlet pipe 3i. Since the pipe mouth of the second pipe 3h-2 is facing the heat sink 3g, the cooled air can directly blow on the heat sink 3g to cool the heat sink 3g.

[0028] In this embodiment, a second handle 1 a - 1 is provided on the cabinet door 1 a , and supporting legs 1 g are provided at the four corners of the bottom end of the electrical cabinet body 1 .

[0029] Working principle: open the box door 3b-1 at the first through hole 1d, pour water into the water tank 3b, and the water flows into the interior of the several hollow steel pipes 3a through the several water pipes 3c until it is full, then close the box door 3b-1, and the electronic components in the working chamber 1b can directly absorb the heat after emitting heat, and the isolation metal plate 2 is in contact with the several hollow steel pipes 3a filled with water, and the several hollow steel pipes 3a can directly absorb the heat of the isolation metal plate 2, accelerating the cooling, and turning on the transmission motor 3d-4, the transmission The motor 3d-4 drives the rotating shaft 3d-2 to rotate, and the fan blades 3d-3 at the end of the rotating shaft 3d-2 send external air into the heat dissipation chamber 1c. The air entering the heat dissipation chamber 1c passes through the hollow steel pipes 3a and the ventilation holes 2a evenly distributed on the isolation metal plate 2 in turn before entering the working chamber 1b. When the air passes through the hollow steel pipes 3a, the hollow steel pipes 3a can cool the air, so that the temperature of the air entering the working chamber 1b decreases, which provides better cooling treatment for the working chamber 1b. After the core steel tube 3a absorbs enough heat, the temperature rises, and the several hollow steel tubes 3a transfer the temperature to the metal plate 3e through the bottom, and the several semiconductor refrigeration sheets 3f are powered on. The cooling ends of the several semiconductor refrigeration sheets 3f can absorb heat and cool the metal plate 3e that has absorbed the heat, and indirectly cool the several hollow steel tubes 3a, so that the air entering the heat dissipation cavity 1c can still be cooled, and the heating ends of the several semiconductor refrigeration sheets 3f transfer the heat to the heat sink 3g, and the heat sink 3g is Heat is continuously dissipated in the air, and the air entering the working chamber 1b is discharged through the air outlet 1b-1. The air outlet pipe 3i connected to the air outlet 1b-1 passes through the first pipe 3h-1 and the second pipe 3h-2 on the water tank 3h in sequence. Since there is water in the water tank 3h, the water in the water tank 3h can cool down the hot air that has absorbed heat in the air outlet pipe 3i. Since the pipe mouth of the second pipe 3h-2 is facing the heat sink 3g, the cooled air can directly blow the heat sink 3g to accelerate the cooling of the heat sink 3g.

[0030] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An indoor electrical cabinet, characterized in that: The invention comprises an electrical cabinet body (1), an isolating metal plate (2), and a heat dissipation mechanism (3), wherein a cabinet door (1a) is hingedly connected to one end of the opening of the electrical cabinet body (1), the isolating metal plate (2) is arranged inside the electrical cabinet body (1), the isolating metal plate (2) divides the interior of the electrical cabinet body (1) into a working chamber (1b) and a heat dissipation chamber (1c), the end surface of the isolating metal plate (2) is evenly distributed with ventilation holes (2a), the heat dissipation mechanism (3) comprises a plurality of hollow steel pipes (3a) arranged side by side at equal intervals in the heat dissipation chamber (1c), the plurality of hollow steel pipes (3a) are structures with both ends closed and the interior hollow, the side walls of the plurality of hollow steel pipes (3a) are in contact with the isolating metal plate (2), the top of the heat dissipation chamber (1c) is provided with a first through hole (1d), a water tank (3b) opening upward is arranged in the first through hole (1d), and a box door (3b) is hingedly connected to the first through hole (1d). -1), a first handle (3b-2) is provided on the box door (3b-1), the side wall of the water tank (3b) is connected to the plurality of hollow steel pipes (3a) through a plurality of water pipes (3c), an air inlet hole (1e) is provided on the bottom wall of the heat dissipation cavity (1c), a bearing (3d) is provided in the air inlet hole (1e), both sides of the bearing (3d) are fixed to the side wall of the air inlet hole (1e) through a bracket (3d-1), and the bearing (3d ) is fixed in the inner ring, a rotating shaft (3d-2) is evenly distributed on one end of the rotating shaft (3d-2), the other end of the rotating shaft (3d-2) is connected to the output end of the transmission motor (3d-4), an L-shaped support plate (1f) is arranged at the bottom end of the electrical cabinet body (1), the transmission motor (3d-4) is arranged at the top end of the L-shaped support plate (1f), and an air outlet (1b-1) is opened on the bottom wall of the working chamber (1b).

2. An indoor electrical cabinet as claimed in claim 1, characterized in that: A second through hole (1c-1) is provided at a position on the bottom wall of the heat dissipation cavity (1c) corresponding to the plurality of hollow steel tubes (3a), a metal plate (3e) is arranged in the second through hole (1c-1), and the bottom ends of the plurality of hollow steel tubes (3a) are fixed to the top end of the metal plate (3e).

3. An indoor electrical cabinet as claimed in claim 2, characterized in that: A plurality of semiconductor refrigeration sheets (3f) are arranged at the bottom end of the metal plate (3e), and the plurality of semiconductor refrigeration sheets (3f) are electrically connected to a power source via wires; one end of the plurality of semiconductor refrigeration sheets (3f) facing the metal plate (3e) is a cooling end; the heating ends of the plurality of semiconductor refrigeration sheets (3f) are connected to a heat sink (3g); and the bottom end of the heat sink (3g) is fixed to the bottom end of the electrical cabinet body (1) via a support frame (3g-1).

4. An indoor electrical cabinet as claimed in claim 3, characterized in that: A water tank (3h) is arranged at the bottom end of the electrical cabinet body (1); a first pipe (3h-1) is arranged at the upper part of one side of the water tank (3h); a second pipe (3h-2) is arranged at the upper part of the other side of the water tank (3h); the pipe opening of the second pipe (3h-2) faces the heat sink (3g); the air outlet (1b-1) is connected to an air outlet pipe (3i); and the air outlet pipe (3i) sequentially passes through the first pipe (3h-1) and the second pipe (3h-2) on the water tank (3h).

5. An indoor electrical cabinet as claimed in claim 1, characterized in that: The cabinet door (1a) is provided with a second handle (1a-1), and the four corners at the bottom of the electrical cabinet body (1) are provided with supporting legs (1g).

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