Base station frequency conversion fluorine pump air conditioner applying strong and weak current separation type electrical box

Abstract

The utility model provides a base station frequency conversion fluorine pump air conditioner applying a strong and weak current separation type electrical box, which comprises a shell and a middle partition plate arranged in the shell, the middle partition plate divides the shell into a condensation cavity and an evaporation cavity, and a frequency converter assembly, a strong current box assembly, a weak current box assembly and an evaporator module are arranged in the evaporation cavity. The strong current box is arranged on the left side plate, and the frequency converter and the weak current box are integrally arranged on the right side plate, so that the layout of the electrical appliance box in the air conditioner cabinet is more reasonable, and electrical appliance elements can be maintained; strong and weak electricity are separated, harmonic interference can be effectively reduced, data acquisition precision is improved, precision control is facilitated, and internal wiring of a unit is reasonable and smooth. An air return area and the interior of the unit are not shielded, effective air return is guaranteed, meanwhile, maintenance, disassembly and the like of the inverter compressor are convenient, and the service life of the air conditioner cabinet is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a base station variable frequency fluorine pump air conditioner using a strong and weak current separation type electrical box. Background Art

[0002] With the rapid development of 5G, the demand for base station air conditioners has increased, which has also increased the requirements for base station air conditioners. The demand for base station variable frequency fluorine pump air conditioners in the market has also increased accordingly. Conventional base station air conditioners use front return air supply or front return air supply as the air supply and return air method. Therefore, the components in the unit are often arranged on the left or right side of the unit to ensure that the return air at the front door of the unit is unobstructed and the return air is kept unobstructed. The base station variable frequency fluorine pump air conditioner has many functional requirements, and the number of electrical components has increased accordingly. The power lines, signal lines, etc. between the components have also increased, and the wiring is easy to be messy. Considering the space limitations inside the unit, the maintenance of the compressor, and the maintenance of the components in the electrical box, the length, width and height of the electrical box cannot be simply increased. Taking into account the above multiple factors, this patent proposes a strong and weak electricity separation type electrical box for application in base station variable frequency fluorine pump air conditioners. Utility Model Content

[0003] The utility model provides a base station variable frequency fluorine pump air conditioner using a strong and weak electricity separation type electrical box to solve the technical problems raised in the background technology.

[0004] The technical solution adopted by the utility model to solve the above technical problems is:

[0005] A base station variable frequency fluorine pump air conditioner using a strong and weak current separated electrical box comprises a shell, a middle partition placed in the shell, the middle partition divides the shell into a condensing chamber and an evaporating chamber, the front end of the evaporating chamber is movably connected with a return air door plate, the front end of the condensing chamber and above the return air door plate is provided with an air supply door plate, and the evaporating chamber is provided with a frequency converter assembly, a strong current box assembly, a weak current box assembly and an evaporator module;

[0006] The evaporator module is obliquely arranged at the upper end of the evaporation chamber, and the evaporation chamber is divided into a return air area and an installation area in the extension direction. The inverter assembly, the high-voltage box assembly and the low-voltage box assembly are located in the installation area; the inverter assembly includes a variable frequency compressor, a variable frequency controller and a variable frequency fluorine pump pipeline. The variable frequency compressor is placed at the bottom of the shell, the variable frequency controller is installed on the right side panel of the shell, and is electrically connected to the variable frequency compressor. The evaporator module is connected to the variable frequency fluorine pump pipeline. The low-voltage box assembly is installed on the right side panel of the shell and is located above the variable frequency controller. The high-voltage box assembly is installed on the other left side panel of the shell.

[0007] As a further preferred embodiment of the present invention, the high-voltage box assembly includes a high-voltage box body, a high-voltage box cover and fixings. The high-voltage box body is a regular trapezoidal structure with one end open, and the side close to the evaporator module is designed as an inclined surface to form a support. The high-voltage box cover is installed at the opening of the high-voltage box body, and the fixings are located at the upper and lower ends of the high-voltage box body to support and fix the high-voltage box body.

[0008] As a further preferred embodiment of the present invention, the weak-current box assembly includes a weak-current box body, a weak-current box cover and fixings. The weak-current box body is an L-shaped structure with one end open. A channel is formed on a side close to the evaporator module for the variable-frequency fluorine pump pipeline to pass through. The weak-current box cover is installed at the opening of the weak-current box body. The fixings are located at the upper and lower ends of the weak-current box body to support and fix the weak-current box body.

[0009] As a further preferred embodiment of the present invention, the fixing member is L-shaped, the first connecting surface is fixedly connected to the side plate of the shell, and the second connecting surface is fixedly connected to the high-voltage box body or the low-voltage box body.

[0010] As a further preferred embodiment of the present invention, the second connection surface of the fixing member is connected to the high-voltage box body or the low-voltage box body by welding or bolt fixing.

[0011] As a further preferred embodiment of the present invention, a large square hole area is opened on the return air door plate, and a steel mesh is welded to the large square hole area.

[0012] As a further preferred embodiment of the present invention, the evaporator module includes an evaporator and a mounting frame. The mounting frame is a rectangular structure with a mounting cavity in the middle for accommodating the evaporator. The evaporator is fixed in the mounting cavity. The bottom of the mounting frame is connected to the back plate of the shell, and the top is connected to the middle partition.

[0013] As a further preferred embodiment of the present invention, the angle between the evaporator module and the middle partition is 45°~75°.

[0014] As a further preferred embodiment of the present invention, a front bracket is provided at the bottom of the middle partition near the return air door plate, and the top of the mounting frame is fixedly connected to the front bracket.

[0015] As a further preferred embodiment of the present invention, two rows of wire binding holes are provided on the front bracket, and the spacing between the wire binding holes is 120 mm.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model installs the strong current box on the left side board, and integrates the inverter and weak current box on the right side board, so that the layout of the electrical box inside the air-conditioning cabinet is more reasonable, ensuring that all electrical components can be maintained; separating strong and weak electricity can effectively reduce harmonic interference, improve data collection accuracy, and facilitate precision control. The wiring inside the unit is reasonable and smooth. There is no shielding for the return air area and the inside of the unit, ensuring effective return air while facilitating the maintenance and disassembly of the variable frequency compressor, etc., and prolonging the service life of the air-conditioning cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model and its features, shapes and advantages will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts throughout the drawings.

[0019] Figure 1 This is a structural diagram of a base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box;

[0020] Figure 2 Schematic diagram of the internal structure of the air conditioner Figure 1 ;

[0021] Figure 3 Schematic diagram of the internal structure of the air conditioner Figure 2 ;

[0022] Figure 4 This is a connection diagram for the installation frame;

[0023] Figure 5 It is a structural schematic diagram of the return air door plate;

[0024] Figure 6 It is the structural diagram of the strong electric box;

[0025] Figure 7 It is the structural diagram of the weak current box;

[0026] In the figure, 1, shell, 2, middle partition, 21, front bracket, 3, condensing chamber, 4, evaporating chamber, 5, air supply door plate, 6, return air door plate, 61, wire mesh, 7, inverter assembly, 71, variable frequency compressor, 72, variable frequency controller, 73, variable frequency fluorine pump pipeline, 8, high-voltage box assembly, 81, high-voltage box body, 82, high-voltage box cover, 9, low-voltage box assembly, 91, low-voltage box body, 92, low-voltage box cover, 10, evaporator module, 101, evaporator, 102, installation frame, 11, fixings. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention are described below in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work belong to the protection scope of the present invention. Example

[0028] Please refer to the attached Figure 1-Figure 3 The utility model provides a base station variable frequency fluorine pump air conditioner using a strong and weak current separated electrical box, comprising a shell 1 and a middle partition plate 2 placed in the shell 1, the middle partition plate 2 divides the shell 1 into a condensing chamber 3 and an evaporating chamber 4, the front end of the evaporating chamber 4 is movably connected with a return air door plate 6, the front end of the condensing chamber 3 and above the return air door plate 6 is provided with an air supply door plate 5, and the evaporating chamber 4 is provided with a frequency converter assembly 7, a strong current box assembly 8, a weak current box assembly 9 and an evaporator module 10.

[0029] The evaporator module 10 is obliquely arranged at the upper end of the evaporation chamber 4, and the evaporation chamber 4 is divided into a return air area and an installation area in the extension direction. The inverter assembly 7, the strong current box assembly 8 and the weak current box assembly 9 are located in the installation area. The inverter assembly 7 includes a variable frequency compressor 71, a variable frequency controller 72 and a variable frequency fluorine pump pipeline 73. The variable frequency compressor 71 is placed at the bottom of the shell 1, the variable frequency controller 72 is installed on the right side plate of the shell 1, and is electrically connected to the variable frequency compressor 71. The evaporator module 10 is connected to the variable frequency compressor 71 through the variable frequency fluorine pump pipeline 73. The weak current box assembly 9 is installed on the right side plate of the shell 1 and is located above the variable frequency controller 72. The strong current box assembly 8 is installed on the left side plate of the shell 1.

[0030] like Figure 6 As shown, the high-voltage box assembly 8 includes a high-voltage box body 81, a high-voltage box cover 82 and a fixing member 11. The high-voltage box body 81 is a regular trapezoidal structure with one end open, and the side close to the evaporator module 10 is designed as an inclined surface, which plays an auxiliary supporting role for the evaporator module 10 and further stabilizes the structure of the evaporator module 10. The size specification of the high-voltage box cover 82 is adapted to the high-voltage box body 81, and is connected to the high-voltage box body 81 by bolt fixing. The fixing member 11 is located at the upper and lower ends of the high-voltage box body 81 to support and fix the high-voltage box body 81.

[0031] like Figure 7As shown, the weak current box assembly 9 includes a weak current box body 91, a weak current box cover 92 and a fixing member 11. The weak current box body 91 is an L-shaped structure with one end open. A channel is formed on the side close to the evaporator module 10 for the variable frequency fluorine pump pipeline 73 to pass through. The size of the weak current box cover 92 is adapted to the weak current box body 91 and is connected to the weak current box body 91 by bolt fixing. The fixing member 11 is located at the upper and lower ends of the weak current box body 91 to support and fix the weak current box body 91.

[0032] Further explanation: the fixing member 11 is L-shaped, and the first connection surface of the fixing member 11 at the upper and lower ends of the strong current box 81 is fixedly connected to the left side plate of the shell 1 by using a blind rivet, and the second connection surface is fixedly connected to the upper and lower sides of the strong current box 81 by using a blind rivet; similarly, the first connection surface of the fixing member 11 at the upper and lower ends of the weak current box 91 is fixedly connected to the right side plate of the shell 1 by using a blind rivet, and the second connection surface is fixedly connected to the upper and lower sides of the weak current box 91 by using a blind rivet. The fixing member 11 at the bottom of the weak current box 91 is used in combination with the frequency conversion controller 72 with bolts to provide auxiliary support for the frequency conversion controller 72.

[0033] like Figure 5 As shown, a large square hole area is opened on the return air door plate 6, and a steel mesh 61 is welded to the large square hole area, which increases the return air efficiency, saves the time cost of processing the mesh holes, and protects the air filter behind the steel mesh.

[0034] The angle between the evaporator module 10 and the middle partition plate 2 is 60°. The evaporator module 10 includes an evaporator 101 and a mounting frame 102. Figure 4 As shown, the mounting frame 102 is a rectangular structure, with a mounting cavity in the middle for accommodating the evaporator 101. The evaporator 101 is fixed in the mounting cavity. The bottom of the mounting frame 102 is connected to the back plate of the housing 1, and the top is connected to the middle partition 2. A front bracket 21 is provided on one side of the bottom of the middle partition 2 close to the return air door plate 6, and the top of the mounting frame 102 is fixedly connected to the front bracket 21.

[0035] Further explanation, two rows of wire binding holes are provided on the front bracket 21, and the spacing between the wire binding holes is 120mm. The connection wires between the strong current box assembly 8 and the weak current box assembly 9 pass through the wire binding holes. The filter board in the frequency conversion controller 72 is connected to the frequency conversion compressor 71 through the large circular hole on the side of the shell, and the signal line in the weak current box 91 is connected to the large circular hole on the side of the weak current box 91, enters the frequency converter controller downward and exits from the circular hole on the side to connect to the control board.

[0036] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box is characterized by: The invention comprises a shell (1), and a middle partition (2) disposed in the shell (1), wherein the middle partition (2) divides the shell (1) into a condensing chamber (3) and an evaporating chamber (4), wherein the front end of the evaporating chamber (4) is movably connected to a return air door plate (6), and an air supply door plate (5) is installed at the front end of the condensing chamber (3) and above the return air door plate (6), and an inverter assembly (7), a strong current box assembly (8), a weak current box assembly (9) and an evaporator module (10) are installed in the evaporating chamber (4); The evaporator module (10) is obliquely arranged at the upper end of the evaporation chamber (4), and the evaporation chamber (4) is divided into a return air area and an installation area in the extension direction. The frequency converter assembly (7), the strong current box assembly (8) and the weak current box assembly (9) are located in the installation area; the frequency converter assembly (7) comprises a variable frequency compressor (71), a variable frequency controller (72) and a variable frequency fluorine pump pipeline (73); the variable frequency compressor (71) is placed at the bottom of the shell (1); the variable frequency controller (72) is installed on a side plate of the shell (1) and is electrically connected to the variable frequency compressor (71); the evaporator module (10) is connected to the variable frequency compressor (71) via the variable frequency fluorine pump pipeline (73); the weak current box assembly (9) is installed on a side plate of the shell (1) and is located above the variable frequency controller (72); and the strong current box assembly (8) is installed on the other side plate of the shell (1).

2. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 1 is characterized in that: The strong electric box assembly (8) comprises a strong electric box body (81), a strong electric box cover plate (82) and a fixing member (11); the strong electric box body (81) is in a regular trapezoidal structure with one end open, and a side close to the evaporator module (10) is designed as an inclined surface to form a support; the strong electric box cover plate (82) is installed at the opening of the strong electric box body (81); the fixing member (11) is located at the upper and lower ends of the strong electric box body (81) to support and fix the strong electric box body (81).

3. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 2 is characterized in that: The weak current box assembly (9) comprises a weak current box body (91), a weak current box cover (92) and a fixing member (11); the weak current box body (91) is an L-shaped structure with one end open; a side close to the evaporator module (10) is formed with a channel for the variable frequency fluorine pump pipeline (73) to pass through; the weak current box cover (92) is installed at the opening of the weak current box body (91); and the fixing member (11) is located at the upper and lower ends of the weak current box body (91) to support and fix the weak current box body (91).

4. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 3 is characterized in that: The fixing member (11) is L-shaped, with a first connection surface fixedly connected to a side plate of the housing (1), and a second connection surface fixedly connected to the high-voltage box (81) or the low-voltage box (91).

5. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 4 is characterized in that: The second connection surface of the fixing member (11) is connected to the high-current box (81) or the low-current box (91) by welding or bolt fixing.

6. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 1, characterized in that: The return air door plate (6) is provided with a large square hole area, and a steel wire mesh (61) is welded to the large square hole area.

7. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 1, characterized in that: The evaporator module (10) comprises an evaporator (101) and a mounting frame (102); the mounting frame (102) is in a rectangular structure, with a mounting cavity in the middle for accommodating the evaporator (101); the evaporator (101) is fixed in the mounting cavity; the bottom of the mounting frame (102) is connected to the back plate of the shell (1), and the top is connected to the middle partition (2).

8. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 7, characterized in that: The included angle between the evaporator module (10) and the middle partition plate (2) is 45° to 75°.

9. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 7, characterized in that: A front bracket (21) is provided at the bottom of the middle partition plate (2) near the return air door plate (6), and the top of the mounting frame (102) is fixedly connected to the front bracket (21).

10. The base station variable frequency fluorine pump air conditioner using a strong and weak current separation electrical box according to claim 9, characterized in that: The front bracket (21) is provided with two rows of wire binding holes, and the spacing between the wire binding holes is 120 mm.

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