CN219068053U - Variable frequency cabinet, compressor and heating ventilation equipment - Google Patents

Abstract

The utility model discloses a variable frequency cabinet, a compressor and heating and ventilation equipment, wherein the variable frequency cabinet comprises: the electronic device comprises a cabinet body, wherein the cabinet body is provided with a containing cavity, the containing cavity is configured to contain the electronic device, the front side of the containing cavity is provided with an opening, and the rear side of the containing cavity is provided with a backboard; the first radiator is arranged in the accommodating cavity and is configured to reduce the temperature in the accommodating cavity in a gas circulation mode; the first cover plate is opposite to the backboard of the cabinet body, and the first radiator is fixedly connected between the first cover plate and the backboard of the cabinet body. According to the frequency conversion cabinet provided by the embodiment of the utility model, the first radiator is arranged between the first cover plate and the back plate of the cabinet body, so that the first cover plate and the back plate can support the first radiator from the front side and the back side, the installation stability of the first radiator is improved, the first cover plate can separate the first radiator from the outside, the cooling capacity leakage of the first radiator is reduced, and the heat dissipation effect of the first radiator is improved.

Description

Variable frequency cabinet, compressor and heating ventilation equipment

Technical Field

The utility model relates to the technical field of frequency conversion devices, in particular to a frequency conversion cabinet, a compressor and heating ventilation equipment.

Background

The variable frequency cabinet control cabinet, which is called variable frequency cabinet for short, can be widely applied to various medium-voltage motor equipment such as pumps, fans, compressors, rolling mills, injection molding machines, belt conveyors and the like in metallurgy, chemical industry, petroleum, water supply, mines, building materials, motor industry and the like. The frequency conversion cabinet comprises a frequency conversion cabinet power element, a frequency conversion cabinet control element and a frequency conversion cabinet control element, when the frequency conversion cabinet works, the elements can generate heat, and if the heat cannot be effectively discharged, the working environment of the elements can be directly influenced, and the service life of the elements is further influenced. In the related art, the evaporator is arranged in the variable frequency cabinet, the surface of the evaporator is communicated with the outside, so that the cold energy loss of the evaporator is caused, the cooling effect of the evaporator is reduced, and an improvement space exists.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a frequency conversion cabinet, which can improve the heat dissipation effect of the first radiator on the electronic device, and has good overall performance.

According to an embodiment of the utility model, a variable frequency cabinet comprises: the electronic device comprises a cabinet body, wherein the cabinet body is provided with a containing cavity, the containing cavity is configured to contain the electronic device, the front side of the containing cavity is provided with an opening, and the rear side of the containing cavity is provided with a backboard; the first radiator is arranged in the accommodating cavity and is configured to reduce the temperature in the accommodating cavity in a gas circulation mode; the first cover plate is opposite to the backboard of the cabinet body, and the first radiator is fixedly connected between the first cover plate and the backboard of the cabinet body.

According to the variable frequency cabinet provided by the embodiment of the utility model, the first radiator is arranged between the first cover plate and the back plate of the cabinet body, so that the first cover plate and the back plate can support the first radiator from the front side and the back side, the installation stability of the first radiator is improved, the first cover plate can separate the first radiator from the outside, the cooling capacity leakage of the first radiator is reduced, the heat dissipation effect of the first radiator is improved, the possibility of condensing moisture on the surface of the first radiator is reduced, and the reliability of the variable frequency cabinet is improved.

According to some embodiments of the utility model, the first radiator comprises: the mounting frame is fixedly arranged between the first cover plate and the back plate; the heat exchanger is fixedly connected to the mounting frame.

According to the variable frequency cabinet of some embodiments of the present utility model, a first flanging part is provided at the rear side of the mounting frame, and the first flanging part is laminated with the back plate and connected through a fixing piece; the front side of the mounting frame is provided with a second flanging part, and the second flanging part is laminated with the first cover plate and fixedly connected with the first cover plate through a fixing piece.

According to some embodiments of the utility model, the mounting frame comprises a bottom plate, a first side plate and a second side plate, the bottom plate is arranged between the first cover plate and the back plate, the first side plate is connected to the left side of the bottom plate, and the second side plate is connected to the right side of the bottom plate.

According to the variable frequency cabinet of some embodiments of the present utility model, the rear side of the first side plate and the rear side of the second side plate are both provided with the first flanging part, and the front side of the bottom plate is provided with the second flanging part.

According to the variable frequency cabinet of some embodiments of the present utility model, the first side plate is provided with a mounting opening, the heat exchanger extends towards the second side plate along the left-right direction through the mounting opening, the left end of the heat exchanger is provided with a first bracket, the right end of the heat exchanger is provided with a second bracket, the first bracket is laminated and fixedly connected with the first side plate, and the second bracket is fixedly connected with the right end of the bottom plate and is spaced apart from the second side plate by a predetermined distance.

According to some embodiments of the utility model, the periphery of the first bracket is laminated to the periphery of the mounting opening, and the second bracket is configured to fit through the mounting opening.

According to the variable frequency cabinet of some embodiments of the present utility model, a storage cavity is formed between one end of the first radiator and a side wall of the cabinet body, the first radiator includes a refrigerant pipe, and the refrigerant pipe is disposed in the storage cavity.

According to the variable frequency cabinet of some embodiments of the present utility model, an assembly port is disposed on the back plate, the assembly port is opposite to the storage cavity, a second cover plate is connected to the back plate, the second cover plate is connected to the back plate in a stacked manner, the assembly port is sealed, and an interface of the refrigerant piping penetrates out of the second cover plate and extends to the back side of the back plate.

According to some embodiments of the utility model, the first radiator is disposed at the bottom of the cabinet body.

According to the variable frequency cabinet of some embodiments of the present utility model, a third cover plate is further disposed in the cabinet body, and the third cover plate is respectively connected to the first radiator and the side wall of the cabinet body, and covers the upper side of the storage cavity; and/or a gap is formed between the first radiator and the bottom wall of the cabinet body, a baffle is arranged on the inner side of the bottom wall of the cabinet body, and the baffle separates the accommodating cavity from the space below the first radiator; and/or, the first cover plate covers the front side of the containing cavity.

According to some embodiments of the utility model, the accommodating cavity comprises a first cavity, and the first radiator is arranged in the first cavity and is configured to reduce the temperature in the first cavity through a gas circulation mode.

According to some embodiments of the utility model, the variable frequency cabinet further comprises an airflow driving member configured to form a heat dissipation airflow flowing through the electronic device in the accommodating cavity and the first radiator in the accommodating cavity; and/or, the first radiator is an evaporator.

According to some embodiments of the utility model, the holding cavity further comprises a second cavity, the variable frequency cabinet further comprising: the door body is connected with the cabinet body and is suitable for opening and closing the second cavity; and a second heat sink configured to dissipate heat by thermal conduction from the electronic device within the second cavity.

The utility model also provides a compressor.

The compressor according to the embodiment of the utility model comprises the variable frequency cabinet according to any of the embodiments.

According to the compressor provided by the embodiment of the utility model, the first radiator is arranged between the first cover plate and the back plate of the cabinet body, so that the first cover plate and the back plate can support the first radiator from front and back sides, the installation stability of the first radiator is improved, the first cover plate can separate the first radiator from the outside, the cooling capacity leakage of the first radiator is reduced, the heat dissipation effect of the first radiator is improved, the possibility of condensing moisture on the surface of the first radiator is reduced, the reliability of the variable frequency cabinet is improved, and the reliability of the compressor is improved.

The utility model also provides heating and ventilation equipment.

The heating and ventilation equipment provided by the embodiment of the utility model comprises the variable frequency cabinet according to any embodiment; or a compressor according to any of the above embodiments.

According to the heating ventilation equipment provided by the embodiment of the utility model, the first radiator is arranged between the first cover plate and the back plate of the cabinet body, so that the first cover plate and the back plate can support the first radiator from the front side and the back side, the installation stability of the first radiator is improved, the first cover plate can separate the first radiator from the outside, the cooling capacity leakage of the first radiator is reduced, the heat radiation effect of the first radiator is improved, the possibility of condensing moisture on the surface of the first radiator is reduced, the reliability of the frequency conversion cabinet is improved, and the integral performance of the heating ventilation equipment is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an isometric view of a variable frequency cabinet according to an embodiment of the utility model;

FIG. 2 is a schematic view of a cabinet according to an embodiment of the utility model;

FIG. 3 is a schematic view of a receiving chamber according to an embodiment of the utility model;

FIG. 4 is a schematic view of a heat exchanger according to an embodiment of the utility model;

FIG. 5 is a schematic view of a mount according to an embodiment of the utility model;

fig. 6 is a rear view of a variable frequency cabinet according to an embodiment of the utility model.

Reference numerals:

the variable frequency cabinet 100,

the cabinet body 1, the accommodating cavity 11, the first cavity 111, the second cavity 112, the opening 12, the back plate 13, the accommodating cavity 14, the door body 15, the baffle 16,

the first radiator 2, the mounting bracket 21, the bottom plate 211, the first side plate 212, the second side plate 213, the first burring 214, the second burring 215, the mounting port 216, the heat exchanger 22, the first bracket 221, the second bracket 222, the refrigerant piping 23, the joint 231,

a second radiator 3, an air flow driving part 4, an electronic device 5, a first cover plate 6, a second cover plate 7 and a third cover plate 8.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Next, with reference to the drawings, a variable frequency cabinet 100 according to an embodiment of the present utility model is described.

As shown in fig. 1 to 6, a variable frequency cabinet 100 according to an embodiment of the present utility model includes: the cabinet body 1, the first radiator 2 and the first cover plate 6, wherein the cabinet body 1 is provided with a containing cavity 11, the containing cavity 11 is configured to contain the electronic device 5, the front side of the containing cavity 11 is provided with an opening 12, and the rear side of the containing cavity 11 is provided with a backboard 13; a first radiator 2 disposed in the accommodating chamber 11 and configured to reduce the temperature in the accommodating chamber 11 by means of gas circulation; the first cover plate 6, the first cover plate 6 is opposite to the backboard 13 of the cabinet body 1, and the first radiator 2 is fixedly connected between the first cover plate 6 and the backboard 13 of the cabinet body 1.

Therefore, the mounting stability of the first radiator 2 can be improved, the cooling capacity loss of the first radiator 2 is reduced, and the reliability of the frequency conversion cabinet 100 is improved.

For example, referring to fig. 1 to 3, the inverter cabinet 100 is provided with a cabinet body 1, the cabinet body 1 is configured in a rectangular structure, a containing cavity 11 is formed in the cabinet body 1, the containing cavity 11 is used for containing an electronic device 5, and the electronic device 5 includes elements such as an IGBT, a capacitor, a filter plate, and a reactor. An opening 12 is formed on the front side of the cabinet body 1, the opening 12 is communicated with the accommodating cavity 11, and a backboard 13 is arranged on the rear side of the cabinet body 1. The frequency conversion cabinet 100 is provided with the first radiator 2, the first radiator 2 is installed in the accommodating cavity 11, the air flow flowing in the accommodating cavity 11 can realize cooling when flowing through the first radiator 2, and the cooled air flow can be in contact with the electronic device 5 in the accommodating cavity 11 to realize heat dissipation, so that the first radiator 2 can dissipate heat of the electronic device 5 in the accommodating cavity 11 in an air cooling mode.

The variable frequency cabinet 100 is further provided with a first cover plate 6, the first cover plate 6 can be installed in the accommodating cavity 11 through the opening 12, the first cover plate 6 is arranged opposite to the back plate 13 of the cabinet body 1, the first cover plate 6 is fixed on the cabinet body 1, a closed installation space can be defined in the accommodating cavity 11 of the cabinet body 1, the first radiator 2 is arranged in the installation space to be installed between the first cover plate 6 and the back plate 13, the first cover plate 6 and the back plate 13 can support the first radiator 2 from front and back sides, the first cover plate 6 can separate the first radiator 2 from the outside, the cold energy loss of the first radiator 2 is reduced, the contact between external air and the first radiator 2 can be avoided, and the water quantity condensed on the surface of the first radiator 2 is reduced. Thereby, the reliability of the inverter cabinet 100 is improved.

According to the variable frequency cabinet 100 of the embodiment of the utility model, the first radiator 2 is installed between the first cover plate 6 and the back plate 13 of the cabinet body 1, so that the first cover plate 6 and the back plate 13 can support the first radiator 2 from front and back sides, the installation stability of the first radiator 2 is improved, the first cover plate 6 can separate the first radiator 2 from the outside, so that the leakage of cold energy of the first radiator 2 is reduced, the heat dissipation effect of the first radiator 2 is improved, the possibility of condensing moisture on the surface of the first radiator 2 is reduced, and the reliability of the variable frequency cabinet 100 is improved.

In some embodiments of the utility model, the first heat sink 2 comprises: the heat exchanger comprises a mounting frame 21 and a heat exchanger 22, wherein the mounting frame 21 is fixedly arranged between the first cover plate 6 and the back plate 13; the heat exchanger 22 is fixedly connected to the mounting frame 21.

For example, referring to fig. 3 to 5, the first radiator 2 includes a mounting frame 21 and a heat exchanger 22, the mounting frame 21 may be constructed in a frame structure, the mounting frame 21 is disposed between the first cover plate 6 and the back plate 13, a front side of the mounting frame 21 is connected to the first cover plate 6 and a rear side is connected to the back plate 13, such that the mounting frame 21 may be fixed in the accommodating chamber 11, and the mounting frame 21 is formed with an accommodating space, and the heat exchanger 22 may be installed in the accommodating space to be fixed on the mounting frame 21. By the above arrangement, the mounting stability of the heat exchanger 22 can be improved, and the structural strength of the whole first radiator 2 can be improved, and the reliability of the first radiator 2 can be improved.

In some embodiments of the present utility model, the rear side of the mounting bracket 21 is provided with a first burring 214, and the first burring 214 is laminated with the back plate 13 and connected by a fixing member; the front side of the mounting bracket 21 is provided with a second burring 215, and the second burring 215 is laminated with the first cover plate 6 and fixedly connected by a fixing member.

For example, referring to fig. 3 to 5, a first burring 214 may be provided at the rear side of the mounting bracket 21, the first burring 214 being disposed in parallel with the inner side of the back plate 13, the first burring 214 being for being laminated on the inner side of the back plate 13 and being connected to the back plate 13 by a fixing member to fix the rear side of the mounting bracket 21 to the back plate 13. Meanwhile, a second flanging part 215 may be provided at the front side of the mounting frame 21, the second flanging part 215 is disposed in parallel with respect to the side surface of the first cover plate 6, and the second flanging part 215 is used for being laminated on the side surface of the first cover plate 6 and fixedly connected with the first cover plate 6 through a fixing member, so that the front side of the mounting frame 21 may be fixed on the first cover plate 6. Thereby, the mounting stability between the mounting frame 21 and the first cover plate 6 and the back plate 13 can be improved, the mounting stability of the first radiator 2 is improved, and the reliability of the frequency conversion cabinet 100 is improved.

In some embodiments of the present utility model, the mounting frame 21 includes a bottom plate 211, a first side plate 212, and a second side plate 213, the bottom plate 211 is disposed between the first cover plate 6 and the back plate 13, the first side plate 212 is connected to the left side of the bottom plate 211, and the second side plate 213 is connected to the right side of the bottom plate 211.

For example, referring to fig. 3 to 5, the mounting bracket 21 includes a bottom plate 211, a first side plate 212 and a second side plate 213, the bottom plate 211 is provided between the first cover plate 6 and the back plate 13, the bottom plate 211 is configured to be arranged to extend in the front-rear direction, the first side plate 212 is connected to the left side of the bottom plate 211 in a bent manner and arranged to extend upward, the second side plate 213 is connected to the right side of the bottom plate 211 in a bent manner and arranged to extend upward, so that the mounting bracket 21 is configured as a concave structure, and the heat exchanger 22 is mounted above the bottom plate 211 and between the first side plate 212 and the second side plate 213. From this, make mounting bracket 21 can carry out effective spacing to heat exchanger 22, improved heat exchanger 22's installation stability, and can increase the structural strength of mounting bracket 21, effectively improved the holistic reliability of first radiator 2.

In some embodiments of the present utility model, the rear side of the first side plate 212 and the rear side of the second side plate 213 are each provided with a first burring 214, and the front side of the bottom plate 211 is provided with a second burring 215.

For example, referring to fig. 5, a first burring 214 may be provided at both the rear side of the first side plate 212 and the rear side of the second side plate 213, the first burring 214 being for being laminated on the inner side surface of the back plate 13 and being connected to the back plate 13 by a fixing member, so that the first side plate 212 and the second side plate 213 may be connected to the back plate 13 by the first burring 214. Meanwhile, a second burring 215 may be provided at the front side of the bottom plate 211, the second burring 215 being for being laminated on the side of the first cover plate 6 and fixedly connected to the first cover plate 6 by a fixing member, so that the bottom plate 211 may be connected to the first cover plate 6 through the second burring 215. Through the above arrangement, stress concentration in a local area of the mounting frame 21 can be avoided, the structural stability of the mounting frame 21 is improved, and the reliability of the first radiator 2 is improved.

In some embodiments of the present utility model, the first side plate 212 is provided with a mounting hole 216, the heat exchanger 22 extends toward the second side plate 213 through the mounting hole 216 in the left-right direction, the heat exchanger 22 is provided with a first bracket 221 at the left end and a second bracket 222 at the right end, the first bracket 221 is laminated and fixedly connected with the first side plate 212, and the second bracket 222 is fixedly connected with the right end of the bottom plate 211 and spaced apart from the second side plate 213 by a predetermined distance.

For example, referring to fig. 5, a mounting hole 216 may be provided on the first side plate 212, the mounting hole 216 being configured to penetrate the first side plate 212 in a thickness direction, the mounting hole 216 being used to limit the heat exchanger 22 such that the heat exchanger 22 may pass through the mounting hole 216 in a left-right direction and extend toward the second side plate 213 so that the heat exchanger 22 may be stably inserted onto the mounting bracket 21. Wherein, can be provided with first support 221 in the left end of heat exchanger 22, first support 221 is constructed to platy, and first support 221 can range upon the side of first curb plate 212 facing away from second curb plate 213 and with first curb plate 212 fixed link to each other for the left side of mounting bracket 21 can be fixed on mounting bracket 21. Meanwhile, a second bracket 222 may be provided at the right end of the heat exchanger 22, the second bracket 222 includes a plate body portion and a third flange portion, the plate body portion is disposed opposite to the second side plate 213, the lower side of the plate body portion is connected with the third flange portion, and the third flange portion is used for connecting with the right end of the bottom plate 211, so that the right end of the heat exchanger 22 may be fixed on the mounting frame 21, and the plate body portion may be spaced apart from the second side plate 213 by a predetermined distance.

Through the above arrangement, the stability between the heat exchanger 22 and the mounting frame 21 can be improved, the reliability of the first radiator 2 is improved, and the pipe arrangement space can be reserved between the second bracket 222 and the second side plate 213, so that the first radiator 2 is installed and arranged, and the layout rationality of the frequency conversion cabinet 100 is improved.

In some embodiments of the present utility model, the perimeter of the first bracket 221 is layered around the perimeter of the mounting port 216, and the second bracket 222 is configured to fit through the mounting port 216.

For example, referring to fig. 3-5, the first bracket 221 may be sized larger than the size of the mounting port 216 and the second bracket 222 may be sized smaller than the size of the mounting port 216. Thus, during the installation of the heat exchanger 22, the right end of the heat exchanger 22 may penetrate the installation opening 216 in the left-right direction to move toward the second side plate 213, and when the heat exchanger 22 moves to a certain position with respect to the installation frame 21, the circumference of the first bracket 221 may be laminated at the circumference of the first side plate 212 surrounding the installation opening 216, so that the second side plate 213 may limit the heat exchanger 22. Thereby, accurate installation between the mounting frame 21 and the heat exchanger 22 can be realized, and reliability of the first radiator 2 is improved.

In some embodiments of the present utility model, a receiving cavity 14 is formed between one end of the first radiator 2 and a side wall of the cabinet 1, and the first radiator 2 includes a refrigerant pipe 23, where the refrigerant pipe 23 is disposed in the receiving cavity 14. For example, referring to fig. 3, one end of the first radiator 2 in the left-right direction may be disposed spaced apart from the side wall of the cabinet 1 to define a receiving cavity 14 between the end of the first radiator 2 and the side wall of the cabinet 1. The first radiator 2 is further provided with a refrigerant pipe 23, the refrigerant pipe 23 is used for communicating with an external cold source, so that a cooling medium of the external cold source can flow into the first radiator 2 through the refrigerant pipe 23, and the refrigerant pipe 23 is located at the end part of the first radiator 2 and is arranged in the accommodating cavity 14.

It can be appreciated that by arranging the refrigerant pipe 23 in the accommodating cavity 14, moisture in the external air can be prevented from condensing on the refrigerant pipe 23 and flowing to the first radiator 2 along the refrigerant pipe 23, which is beneficial to prolonging the service life of the first radiator 2, increasing the residence time of the cooling medium in the cabinet 1 and improving the cooling effect of the first radiator 2 on the electronic device 5 in the accommodating cavity 11.

In some embodiments of the present utility model, the back plate 13 is provided with an assembling port, the assembling port is opposite to the receiving cavity 14, the back plate 13 is connected with the second cover plate 7, the second cover plate 7 is connected with the back plate 13 in a stacking manner, the assembling port is closed, and the interface 231 of the refrigerant pipe 23 penetrates out of the second cover plate 7 and extends to the rear side of the back plate 13. For example, referring to fig. 6, an assembly port may be formed in the back plate 13, the assembly port and the storage cavity 14 are disposed opposite to each other in the front-rear direction, and the back plate 13 may be provided with a second cover plate 7, the second cover plate 7 is connected to the back plate 13 in a stacked manner and is used for sealing the assembly port, and an interface 231 of the refrigerant piping 23 may penetrate through the second cover plate 7 from the storage cavity 11 to extend to the rear side of the back plate 13, so that an external cold source may be connected to the interface 231 of the refrigerant piping 23 outside the cabinet 1, thereby facilitating reduction of installation difficulty between the refrigerant piping 23 and the external cold source.

It can be understood that by providing the second cover plate 7, the refrigerant pipe 23 can be prevented from directly penetrating the back plate 13, the sealing performance of the accommodating cavity 11 is improved, the refrigerant pipe 23 can be easily maintained, and the satisfaction of users is improved.

In some embodiments of the utility model, the first radiator 2 is provided at the bottom inside the cabinet 1. That is, as shown with reference to fig. 3, the first heat sink 2 may be installed at a lower position of the receiving chamber 11 such that the first heat sink 2 may be fixed at the bottom of the cabinet 1. Therefore, the gravity center height of the cabinet body 1 can be reduced, the liquid condensed on the surface of the first radiator 2 can be prevented from flowing to other parts in the accommodating cavity 11, and the stability of the frequency conversion cabinet 100 is improved.

In some embodiments of the present utility model, a third cover plate 8 is further disposed in the cabinet 1, where the third cover plate 8 is respectively connected to the first radiator 2 and a side wall of the cabinet 1, and covers an upper side of the accommodating cavity 14, and a gap is formed between the first radiator 2 and a bottom wall of the cabinet 1, and a baffle 16 is disposed on an inner side of the bottom wall of the cabinet 1, where the baffle 16 separates a space below the accommodating cavity 14 and the first radiator 2, and a first cover plate 6 is disposed to cover a front side of the accommodating cavity 14.

For example, referring to fig. 3, a third cover plate 8 may be provided in the cabinet 1, the right side of the third cover plate 8 being connected to the upper end of the first side plate 212 of the first radiator 2, and the left side of the third cover plate 8 being connected to the side wall of the cabinet 1 such that the third cover plate 8 may be installed on the upper side of the receiving cavity 14 to seal the upper side of the receiving cavity 14. Meanwhile, referring to fig. 3, the bottom of the first radiator 2 may be disposed to be spaced apart from the bottom wall of the cabinet 1 so as to form a gap between the bottom of the first radiator 2 and the bottom wall of the cabinet 1, and a baffle 16 may be disposed at an upper side of the bottom wall of the cabinet 1, the baffle 16 being disposed to protrude upward such that the baffle 16 may space apart the storage chamber 14 from a lower side of the first radiator 2. Meanwhile, a first cover plate 6 may be provided to extend to the front side of the receiving chamber 14 to cover the front side of the receiving chamber 14.

Through the arrangement, the accommodating cavity 14 can be separated from the accommodating cavity 11, the accommodating cavity 11 is prevented from being communicated with the outside through the accommodating cavity 14, the sealing performance of the accommodating cavity 11 is improved, the working stability of the electronic device 5 is improved, and the reliability of the frequency conversion cabinet 100 is improved.

In some embodiments of the utility model, the housing chamber 11 comprises a first chamber 111, and the first heat sink 2 is arranged within the first chamber 111 and configured to reduce the temperature within the first chamber 111 by means of gas flow. For example, as shown with reference to fig. 3, the housing chamber 11 may be provided to include a first chamber 111, the first chamber 111 being configured as a closed ring extending along the peripheral wall of the cabinet 1. The first radiator 2 is arranged in the first cavity 111, the air flow flowing in the first cavity 111 can realize cooling when flowing through the first radiator 2, and the cooled air flow can flow along the first cavity 111 to be in contact with the electronic device 5 in the first cavity 111 so as to realize heat dissipation, so that the first radiator 2 can dissipate heat of the electronic device 5 in the first cavity 111 in an air cooling mode. It can be appreciated that by providing the first cavity 111, heat conduction between the electronic device 5 in the first cavity 111 and the electronic device 5 in the rest of the accommodating cavity 11 can be avoided, and heat dissipation efficiency of the electronic device 5 is improved.

In some embodiments of the present utility model, the inverter cabinet 100 further includes an airflow driving member 4 configured to form a heat dissipation airflow flowing through the electronic device 5 and the first heat sink 2 in the accommodating cavity 11. It should be noted that the airflow driving member 4 may be configured as a fan.

For example, referring to fig. 3, in order to promote the circulation of the air flow in the accommodating chamber 11, the air flow driving member 4 may be installed in the accommodating chamber 11, and the air flow driving member 4 may be configured to drive the air flow in the accommodating chamber 11 to form a heat dissipation air flow, and the heat dissipation air flow may be configured to flow through the electronic device 5 and the first heat sink 2 in the accommodating chamber 11. When the air flow flows through the first radiator 2, heat in the air flow can be exchanged to the first radiator 2 so as to reduce the temperature of the air flow, and cold of the first radiator 2 can be absorbed for radiating the accommodating cavity 11; when the air flow flows through the electronic device 5 in the accommodating cavity 11, the cold energy in the air flow can be exchanged to the electronic device 5 in the accommodating cavity 11, and the heat of the electronic device 5 in the accommodating cavity 11 is taken away, so that the heat dissipation of the electronic device 5 in the accommodating cavity 11 is realized. Thereby, the first heat sink 2 can efficiently air-cool the electronic device 5 in the accommodating chamber 11.

Further, the first radiator 2 may be an evaporator. Therefore, the first radiator 2 has higher refrigerating performance, so that the first radiator 2 can efficiently radiate the electronic device 5, and the reliability of the frequency conversion cabinet 100 is improved.

In some embodiments of the present utility model, the accommodating cavity 11 further includes a second cavity 112, and the variable frequency cabinet 100 further includes: a door body 15, the door body 15 being connected to the cabinet 1 and adapted to open and close the second chamber 112; the second heat sink 3, the second heat sink 3 being configured to dissipate heat by heat conduction from the electronic device 5 within the second cavity 112.

For example, referring to fig. 3, the accommodating chamber 11 may further include a second chamber 112, the first chamber 111 is disposed around the second chamber 112 and is spaced apart from the second chamber 112, the front side of the variable frequency cabinet 100 is provided with a door body 15, the door body 15 is rotatably mounted on the cabinet body 1, the door body 15 may open the second chamber 112, so that a user may install and repair the electronic device 5 in the second chamber 112, and may close the second chamber 112 to realize sealing of the second chamber 112. The variable frequency cabinet 100 is further provided with a second heat sink 3, the second heat sink 3 may be provided as an evaporator, the second heat sink 3 may be in direct contact or indirect contact with the electronic device 5 of the second cavity 112, so that the second heat sink 3 may dissipate heat from the electronic device 5 in the second cavity 112 by means of heat conduction,

it can be appreciated that by arranging the second radiator 3 to reduce the temperature of the electronic device 5 in the second cavity 112 in a heat conduction manner, the heat dissipation efficiency is high, the electronic device 5 with a higher working temperature can be quickly dissipated, the working stability of the electronic device 5 in the second cavity 112 is improved, the stability of the frequency conversion cabinet 100 is improved, and the failure rate is reduced.

Specifically, different heat dissipation modes may be provided according to different types of electronic devices 5, for example, the heat generated during the operation of the circuit breaker is relatively small, and the circuit breaker may be disposed in the accommodating cavity 11 and at a position relatively far from the second heat sink 3; the heat generated in the operation process of the reactor is relatively high, and the reactor can be placed in the first cavity 111 to dissipate heat in an air cooling mode; the heat quantity in the operation process of the capacitor is lower than that of the reactor, the capacitor can be placed in the first cavity 111, heat is dissipated in an air cooling mode, and the first radiator 2, the capacitor and the reactor are sequentially arranged in the flowing direction of heat dissipation airflow, so that good heat dissipation of all components can be achieved; the temperature of the IGBT and the diode in the operation process is relatively high, and the placement of the IGBT and the diode in the first cavity 111 may affect the heat dissipation effect of other components in the first cavity 111, so in the present utility model, the IGBT and the diode are preferably placed in the second cavity 112, and the second radiator 3 is used to dissipate heat, which not only can improve the heat dissipation effect of the IGBT and the diode, but also can avoid the heat in the operation process of the IGBT and the diode from affecting the stable operation of other electronic devices 5.

Of course, the above-described placement positions for the electronic device 5 are merely for illustration, and are not meant to be limiting.

The utility model also provides a compressor.

The compressor according to an embodiment of the present utility model comprises the inverter cabinet 100 according to any of the above embodiments.

According to the compressor provided by the embodiment of the utility model, the first radiator 2 is arranged between the first cover plate 6 and the back plate 13 of the cabinet body 1, so that the first cover plate 6 and the back plate 13 can support the first radiator 2 from front and back sides, the installation stability of the first radiator 2 is improved, the first cover plate 6 can separate the first radiator 2 from the outside, the cold leakage of the first radiator 2 is reduced, the heat dissipation effect of the first radiator 2 is improved, the possibility of condensing moisture on the surface of the first radiator 2 is reduced, the reliability of the variable frequency cabinet 100 is improved, and the reliability of the compressor is improved.

The utility model also provides heating and ventilation equipment.

The heating and ventilation equipment according to the embodiment of the utility model comprises the variable frequency cabinet 100 according to any of the above embodiments; or a compressor according to any of the above embodiments.

According to the heating ventilation equipment provided by the embodiment of the utility model, the first radiator 2 is arranged between the first cover plate 6 and the back plate 13 of the cabinet body 1, so that the first cover plate 6 and the back plate 13 can support the first radiator 2 from front and back sides, the installation stability of the first radiator 2 is improved, the first cover plate 6 can separate the first radiator 2 from the outside, the cold leakage of the first radiator 2 is reduced, the heat dissipation effect of the first radiator 2 is improved, the possibility of condensing moisture on the surface of the first radiator 2 is reduced, the reliability of the frequency conversion cabinet 100 is improved, and the overall performance of the heating ventilation equipment is improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (16)

1. A variable frequency cabinet, characterized by comprising:

the electronic device comprises a cabinet body, wherein the cabinet body is provided with a containing cavity, the containing cavity is configured to contain the electronic device, the front side of the containing cavity is provided with an opening, and the rear side of the containing cavity is provided with a backboard;

the first radiator is arranged in the accommodating cavity and is configured to reduce the temperature in the accommodating cavity in a gas circulation mode;

the first cover plate is opposite to the backboard of the cabinet body, and the first radiator is fixedly connected between the first cover plate and the backboard of the cabinet body.

2. The variable frequency cabinet of claim 1, wherein the first heat sink comprises:

the mounting frame is fixedly arranged between the first cover plate and the back plate;

the heat exchanger is fixedly connected to the mounting frame.

3. The variable frequency cabinet according to claim 2, wherein a first flanging portion is provided on a rear side of the mounting frame, and the first flanging portion is laminated with the back plate and connected by a fixing member;

the front side of the mounting frame is provided with a second flanging part, and the second flanging part is laminated with the first cover plate and fixedly connected with the first cover plate through a fixing piece.

4. A variable frequency cabinet according to claim 3, wherein the mounting frame comprises a base plate, a first side plate and a second side plate, the base plate is arranged between the first cover plate and the back plate, the first side plate is connected to the left side of the base plate, and the second side plate is connected to the right side of the base plate.

5. The variable frequency cabinet of claim 4, wherein the first flange portion is provided on a rear side of the first side plate and a rear side of the second side plate, and the second flange portion is provided on a front side of the bottom plate.

6. The variable frequency cabinet of claim 4, wherein the first side plate is provided with a mounting opening, the heat exchanger extends toward the second side plate along the left-right direction through the mounting opening, the left end of the heat exchanger is provided with a first bracket, the right end of the heat exchanger is provided with a second bracket, the first bracket is laminated and fixedly connected with the first side plate, and the second bracket is fixedly connected with the right end of the bottom plate and is spaced apart from the second side plate by a predetermined distance.

7. The variable frequency cabinet of claim 6, wherein a perimeter of the first bracket is layered around a perimeter of the mounting opening and the second bracket is configured to fit through the mounting opening.

8. The inverter cabinet of any one of claims 1-7, wherein a receiving cavity is formed between one end of the first heat sink and a side wall of the cabinet body, the first heat sink comprising a refrigerant pipe, the refrigerant pipe being disposed in the receiving cavity.

9. The variable frequency cabinet according to claim 8, wherein an assembly port is formed in the back plate, the assembly port is opposite to the storage cavity, a second cover plate is connected to the back plate, the second cover plate is connected to the back plate in a stacked manner, the assembly port is sealed, and an interface of the refrigerant piping penetrates through the second cover plate and extends to the rear side of the back plate.

10. The variable frequency cabinet of claim 8, wherein the first heat sink is disposed at a bottom of the cabinet body.

11. The variable frequency cabinet according to claim 10, wherein a third cover plate is further arranged in the cabinet body, and the third cover plate is respectively connected with the first radiator and the side wall of the cabinet body and covers the upper side of the containing cavity;

and/or a gap is formed between the first radiator and the bottom wall of the cabinet body, a baffle is arranged on the inner side of the bottom wall of the cabinet body, and the baffle separates the accommodating cavity from the space below the first radiator;

and/or, the first cover plate covers the front side of the containing cavity.

12. The variable frequency cabinet of any one of claims 1-7, wherein the receiving cavity comprises a first cavity, a first heat sink disposed within the first cavity configured to reduce a temperature within the first cavity by way of gas flow.

13. The variable frequency cabinet of claim 12, further comprising an airflow driver configured to create a cooling airflow within the receiving cavity that flows through the electronics within the receiving cavity and the first heat sink;

and/or, the first radiator is an evaporator.

14. The variable frequency cabinet of claim 12, wherein the receiving cavity further comprises a second cavity, the variable frequency cabinet further comprising:

the door body is connected with the cabinet body and is suitable for opening and closing the second cavity;

and a second heat sink configured to dissipate heat by thermal conduction from the electronic device within the second cavity.

15. Compressor, characterized by comprising a variable frequency cabinet according to any of claims 1-14.

16. A heating and ventilation device, characterized by comprising a variable frequency cabinet according to any one of claims 1-14; or a compressor according to claim 15.

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