CN218920862U - Frequency conversion equipment, compressor and heating ventilation equipment - Google Patents

Abstract

The utility model discloses a frequency conversion device, a compressor and heating ventilation equipment, wherein the frequency conversion device comprises: the cabinet body is provided with a containing cavity for containing the electronic device; 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, and comprises a first interface and a first heat exchange pipeline connected with the first interface; the second radiator is configured to radiate heat for the electronic device in the accommodating cavity in a heat conduction mode and comprises a second interface and a second heat exchange pipeline connected with the second interface; an air flow driving part configured to form a heat dissipation air flow flowing through the electronic device and the first radiator in the accommodating cavity; wherein the first port is closer to the second port than the first heat exchange line; and/or the second interface is closer to the first interface than the second heat exchange line. Therefore, the connection difficulty of the external cold source, the first radiator and the second radiator can be reduced, and the installation and maintenance difficulty can be reduced.

Description

Frequency conversion equipment, compressor and heating ventilation equipment

Technical Field

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

Background

The variable frequency equipment control cabinet, which is called variable frequency equipment 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 equipment comprises a frequency conversion equipment power element, a frequency conversion equipment control element and a frequency conversion equipment control element, when the frequency conversion equipment 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 frequency conversion equipment is provided with a plurality of evaporators, and a plurality of evaporators all need to be connected with external cold source, lead to the connecting line of a plurality of evaporators and external cold source too complicated for the installation maintenance degree of difficulty of frequency conversion equipment is too big, causes the user to be dissatisfied, has the space of improvement.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model aims to provide the frequency conversion equipment which is reasonable in layout and low in installation difficulty and maintenance difficulty.

According to an embodiment of the utility model, a frequency conversion device includes: the electronic device comprises a cabinet body, wherein the cabinet body is provided with a containing cavity, and the containing cavity is configured to contain the electronic device; 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, and comprises a first interface and a first heat exchange pipeline connected with the first interface; the second radiator is configured to radiate heat for the electronic device in the accommodating cavity in a heat conduction mode and comprises a second interface and a second heat exchange pipeline connected with the second interface; an air flow driving part configured to form a heat radiation air flow flowing through the electronic device in the accommodating cavity and the first heat radiator in the accommodating cavity; wherein the first interface is closer to the second interface than the first heat exchange line; and/or the second interface is closer to the first interface than the second heat exchange line.

According to the frequency conversion equipment provided by the embodiment of the utility model, the first connector of the first radiator and the second connector of the second radiator are arranged close to each other, so that the circuit is simplified, the connection difficulty of an external cold source, the first radiator and the second radiator can be reduced, the installation difficulty and the maintenance difficulty of the frequency conversion equipment are reduced, the layout rationality of the frequency conversion equipment is improved, and the satisfaction degree of a user is improved.

According to some embodiments of the utility model, the first interface comprises a first inlet and a first outlet, the first heat exchange line is connected between the first inlet and the first outlet, the second interface comprises a second inlet and a second outlet, and the second heat exchange line is connected between the second inlet and the second outlet.

According to some embodiments of the utility model, the first inlet and the second inlet are integrated into the same interface, and the first outlet and the second outlet are integrated into the same interface.

According to some embodiments of the utility model, the frequency conversion device further comprises a first multi-pass connector and a second multi-pass connector, wherein the first multi-pass connector is respectively connected with the first inlet and the second inlet, and the second multi-pass connector is respectively connected with the first outlet and the second outlet.

According to the frequency conversion device of some embodiments of the present utility model, the first radiator is disposed at the bottom of the cabinet body, the second radiator is disposed at the rear of the cabinet body, and the first interface and the second interface are both disposed at the same side of the cabinet body along the left-right direction.

According to the frequency conversion device of some embodiments of the present utility model, the second radiator is stacked on the back side of the back plate of the cabinet body, and the first interface is disposed on the outer side of the back plate of the cabinet body and below the second interface.

According to some embodiments of the utility model, the first interface extends out of a side surface of the cabinet body, the second interface extends out of a side surface of the cabinet body, and the first interface and the second interface are opposite to each other vertically.

According to the frequency conversion equipment of some embodiments of the present utility model, the second radiator is stacked on the back plate of the cabinet body, a housing is arranged outside the back plate of the cabinet body, the housing covers the outside of the back plate of the cabinet body, and the second radiator is arranged in the housing.

According to the frequency conversion equipment of some embodiments of the present utility model, a first supporting rib and a second supporting rib are connected to the outer side of a back plate of the cabinet body, the first supporting rib and the second supporting rib are arranged at intervals along the up-down direction, the second radiator is arranged between the first supporting rib and the second supporting rib, and the first supporting rib and the second supporting rib are respectively and fixedly connected with the back plate of the cabinet body; the shell covers the outer sides of the first supporting ribs and the second supporting ribs, and the upper end and the lower end of the shell are respectively fixedly connected with the first supporting ribs and the second supporting ribs through fixing pieces.

According to some embodiments of the utility model, the housing cavity comprises a first cavity and a second cavity, the first cavity is configured as a closed ring extending along a peripheral wall of the cabinet body and is wound around the second cavity, the first radiator is arranged in the first cavity, and the second radiator is configured to be in heat transfer with the second cavity and/or the electronic device in the first cavity.

The utility model also provides a compressor.

The compressor according to an embodiment of the utility model comprises a frequency conversion device according to any of the embodiments described above.

According to the compressor provided by the embodiment of the utility model, the first connector of the first radiator and the second connector of the second radiator are arranged close to each other, so that the circuit is simplified, the connection difficulty of an external cold source, the first radiator and the second radiator can be reduced, the installation difficulty and the maintenance difficulty of frequency conversion equipment are reduced, the layout rationality of the compressor is improved, and the satisfaction degree of users 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 frequency conversion equipment 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 connector of the first radiator and the second connector of the second radiator are arranged close to each other, so that the circuit is simplified, the connection difficulty of an external cold source, the first radiator and the second radiator can be reduced, the installation difficulty and the maintenance difficulty of the frequency conversion equipment are reduced, the reliability of the heating ventilation equipment is improved, and the satisfaction degree of a user 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 frequency conversion device according to an embodiment of the utility model;

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

FIG. 3 is a rear view of a cabinet according to an embodiment of the utility model;

fig. 4 is a schematic installation view of a housing according to an embodiment of the present utility model.

Reference numerals:

the frequency conversion device 100,

the cabinet body 1, the accommodating cavity 11, the first cavity 111, the second cavity 112, the back plate 12, the first supporting ribs 13, the second supporting ribs 14,

the first radiator 2, the first heat exchange line 21, the first connection 22, the first inlet 221, the first outlet 222,

a second radiator 3, a second heat exchange pipeline 31, a second interface 32, a second inlet 321, a second outlet 322, an airflow driving piece 4, a shell 5 and an electronic device 6.

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 frequency conversion apparatus 100 according to an embodiment of the present utility model is described.

As shown in fig. 1 to 4, a frequency conversion apparatus 100 according to an embodiment of the present utility model includes: the cabinet body 1, the first radiator 2, the second radiator 3 and the airflow driving piece 4, wherein the cabinet body 1 is provided with a containing cavity 11, and the containing cavity 11 is configured to contain the electronic device 6; the first radiator 2 is arranged in the accommodating cavity 11 and is configured to reduce the temperature in the accommodating cavity 11 in a gas circulation mode, and the first radiator 2 comprises a first interface 22 and a first heat exchange pipeline 21 connected with the first interface 22; the second radiator 3 is configured to radiate heat for the electronic device 6 in the accommodating cavity 11 in a heat conduction manner, and the second radiator 3 comprises a second interface 32 and a second heat exchange pipeline 31 connected with the second interface 32; the airflow driving member 4 is configured to form a heat radiation airflow flowing through the electronic device 6 and the first heat sink 2 in the accommodating chamber 11; wherein the first connection 22 is closer to the second connection 32 than the first heat exchange line 21; and/or the second interface 32 is closer to the first interface 22 than the second heat exchange line 31.

Therefore, the connection difficulty of the external cold source, the first radiator 2 and the second radiator 3 can be reduced, the installation difficulty and the maintenance difficulty of the frequency conversion equipment 100 are reduced, the layout rationality of the frequency conversion equipment 100 is improved, and the satisfaction of users is improved.

For example, referring to fig. 1 to 3, the frequency conversion apparatus 100 is provided with a cabinet body 1, the cabinet body 1 is configured in a square structure, a closed accommodating cavity 11 is formed in the cabinet body 1, the accommodating cavity 11 is used for accommodating an electronic device 6, and the electronic device 6 includes elements such as an IGBT, a capacitor, a filter plate, and a reactor. The frequency conversion device 100 is provided with the first radiator 2, the first radiator 2 can be arranged as an evaporator, the first radiator 2 is arranged in the accommodating cavity 11, air flowing in the accommodating cavity 11 can be cooled when flowing through the first radiator 2, and cooled air can be in contact with the electronic device 6 in the accommodating cavity 11 to dissipate heat, so that the first radiator 2 can dissipate heat of the electronic device 6 in the accommodating cavity 11 in an air cooling mode. Meanwhile, the first radiator 2 can be arranged to comprise a first interface 22 and a first heat exchange pipeline 21, the first heat exchange pipeline 21 is connected with the first interface 22, and the first heat exchange pipeline 21 can be communicated with an external cold source through the first interface 22, so that the first heat exchange pipeline 21 can cool down gas flowing through the accommodating cavity 11.

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, 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 6 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 6 in the accommodating cavity 11, the cold energy in the air flow can be exchanged to the electronic device 6 in the accommodating cavity 11, and the heat of the electronic device 6 in the accommodating cavity 11 is taken away, so that the heat dissipation of the electronic device 6 in the accommodating cavity 11 is realized. That is, heat of the electronic device 6 in the accommodating chamber 11 is sent to the first heat sink 2, so that heat dissipation of the electronic device 6 in the accommodating chamber 11 is realized.

The frequency conversion equipment 100 is further provided with a second radiator 3, the second radiator 3 can also be set as an evaporator, and the second radiator 3 can be in direct contact or indirect contact with the electronic device 6 in the accommodating cavity 11, so that the second radiator 3 can radiate heat for the electronic device 6 in the accommodating cavity 11 in a heat conduction mode, the radiating efficiency is high, and the electronic device 6 with higher working temperature can be quickly radiated. Meanwhile, the second radiator 3 can be arranged to comprise a second interface 32 and a second heat exchange pipeline 31, the second heat exchange pipeline 31 is connected with the second interface 32, and the second heat exchange pipeline 31 can be communicated with an external cold source through the second interface 32, so that the second heat exchange pipeline 31 can radiate heat of the electronic device 6 in the accommodating cavity 11.

Wherein the first connection 22 may be arranged closer to the second connection 32 than the first heat exchange line 21; alternatively, the second port 32 may be disposed closer to the first port 22 than the second heat exchange line 31; still alternatively, the first interface 22 may be disposed closer to the second interface 32 than the first heat exchange line 21, and the second interface 32 may be disposed closer to the first interface 22 than the second heat exchange line 31. In this way, the distance between the first interface 22 and the second interface 32 is made closer. Therefore, the connection between the first radiator 2 and the second radiator 3 and the external cold source is convenient to realize, the circuit is simplified, and the layout rationality of the frequency conversion equipment 100 is improved.

According to the frequency conversion equipment 100 provided by the embodiment of the utility model, the first connector of the first radiator 2 and the second connector of the second radiator 3 are arranged close to each other, so that the circuit is simplified, the connection difficulty of an external cold source and the first radiator 2 and the second radiator 3 can be reduced, the installation difficulty and the maintenance difficulty of the frequency conversion equipment 100 are reduced, the layout rationality of the frequency conversion equipment 100 is improved, and the satisfaction degree of users is improved.

In some embodiments of the present utility model, the first interface 22 includes a first inlet 221 and a first outlet 222, the first heat exchange line 21 is connected between the first inlet 221 and the first outlet 222, the second interface 32 includes a second inlet 321 and a second outlet 322, and the second heat exchange line 31 is connected between the second inlet 321 and the second outlet 322.

For example, referring to fig. 3, the first interface 22 may be provided to include a first inlet 221 and a first outlet 222, the first inlet 221 is in communication with an outlet of the external heat sink, the first outlet 222 is in communication with an inlet of the external heat sink, and the first heat exchange line 21 is connected between the first inlet 221 and the first outlet 222, the cooling medium of the external heat sink may flow into the first heat exchange line 21 through the first inlet 221 and exchange heat with the air flow in the accommodating chamber 11 in the first heat exchange line 21, and the cooling medium after heat exchange may flow into the external heat sink through the first outlet 222.

Meanwhile, the second interface 32 may be provided to include a second inlet 321 and a second outlet 322, the second inlet 321 is communicated with an outlet of the external cold source, the second outlet 322 is communicated with an inlet of the external cold source, and the second heat exchange pipeline 31 is connected between the second inlet 321 and the second outlet 322, the cooling medium of the external cold source may flow into the second heat exchange pipeline 31 through the second inlet 321, exchange heat with the electronic device 6 in the accommodating cavity 11 in the second heat exchange pipeline 31, and the cooling medium after heat exchange flows into the external cold source through the second outlet 322. Thereby, stable operation of the first radiator 2 and the second radiator 3 is achieved, and reliability of the inverter device 100 is improved.

In some embodiments of the present utility model, the first inlet 221 and the second inlet 321 are integrated into the same interface, and the first outlet 222 and the second outlet 322 are integrated into the same interface.

For example, the first inlet 221 and the second inlet 321 may be close to each other and are communicated, so that the first inlet 221 and the second inlet 321 may be integrated into the same interface, and the communication between the external cold source and the first inlet 221 and the second inlet 321 may be achieved by connecting the outlet of the external cold source with the interface. Meanwhile, the first outlet 222 and the second outlet 322 may be close to each other and communicated, so that the first outlet 222 and the second outlet 322 may be integrated into the same interface, and the communication between the external cold source and the first outlet 222 and the second outlet 322 may be realized by connecting the inlet of the external cold source with the interface. By the arrangement, the steps of installing the first radiator 2 and the second radiator 3 can be reduced, and the installation difficulty of the frequency conversion equipment 100 is reduced.

In some embodiments of the present utility model, the frequency conversion apparatus 100 further includes a first multi-pass connector and a second multi-pass connector, the first multi-pass connector being connected to the first inlet 221 and the second inlet 321, respectively, and the second multi-pass connector being connected to the first outlet 222 and the second outlet 322, respectively.

For example, the frequency conversion apparatus 100 may further include a first multi-pass connector and a second multi-pass connector, the first multi-pass connector may be configured as a three-way connector, one end of the first multi-pass connector is communicated with an outlet of the external cold source, and the other two ends of the first multi-pass connector are respectively connected with the first inlet 221 and the second inlet 321, so that the external cold source may be communicated with the first inlet 221 and the second inlet 321 through the first multi-pass connector. Meanwhile, the second multi-way joint can be set to be a three-way joint, one end of the second multi-way joint is communicated with the inlet of the external cold source, and the other two ends of the first multi-way joint are respectively connected with the first outlet 222 and the second outlet 322, so that the external cold source can be communicated with the first outlet 222 and the second outlet 322 through the second multi-way joint.

Through the arrangement, the mounting difficulty of the first radiator 2 and the second radiator 3 can be reduced, the mounting stability of the first radiator 2 and the second radiator 3 is improved, and the overall performance of the frequency conversion equipment 100 is improved.

In some embodiments of the present utility model, the first radiator 2 is disposed at the bottom of the cabinet 1, the second radiator 3 is disposed at the rear of the cabinet 1, and the first interface 22 and the second interface 32 are disposed on the same side of the cabinet 1 along the left-right direction.

For example, referring to fig. 2 and 3, the first radiator 2 may be installed at a lower position of the accommodating chamber 11 such that the first radiator 2 may be fixed at the bottom of the cabinet 1 to lower the height of the center of gravity of the cabinet 1, improve the stability of the inverter apparatus 100, and prevent the liquid condensed on the surface of the first radiator 2 from flowing to the electronic device 6 in the accommodating chamber 11. Meanwhile, the second radiator 3 may be installed at the rear portion of the cabinet body 1, so that the second radiator 3 and the corresponding electronic device 6 are oppositely disposed along the front-rear direction, and the second radiator 3 may perform efficient heat dissipation on the electronic device 6 in the accommodating cavity 11 through a heat conduction manner.

Wherein, can set up first interface 22 and second interface 32 and all locate cabinet body 1 along the same side of left and right directions, if can all set up cabinet body 1's left side position department or right side position department with first interface 22 and second interface 32, and can correspond the external cold source and set up in same one side to reduce the connection degree of difficulty between external cold source and first radiator 2 and the second radiator 3. Thereby, the layout rationality of the frequency conversion apparatus 100 is improved.

In some embodiments of the present utility model, the second heat sink 3 is stacked on the rear side of the back plate 12 of the cabinet 1, and the first interface 22 is disposed on the outside of the back plate 12 in the cabinet 1 and below the second interface 32.

For example, referring to fig. 3, the second heat sink 3 may be stacked on the rear side of the back plate 12 of the cabinet body 1, and an avoidance through hole is formed in the back plate 12 of the cabinet body 1, at least a portion of the second heat sink 3 may extend into the accommodating cavity 11 through the heat dissipation through hole and contact with the electronic device 6 in the accommodating cavity 11, so that the second heat sink 3 may dissipate heat of the electronic device 6 through a heat conduction manner. Meanwhile, the second interface 32 of the second radiator 3 may be disposed to extend to one side of the back plate 12 of the cabinet 1 along the left-right direction, the first interface 22 of the first radiator 2 penetrates the back plate 12 of the cabinet 1 to extend to the rear side of the back plate 12, and the first interface 22 may extend to the same side of the back plate 12 of the cabinet 1 along the left-right direction to be located below the second interface 32.

It can be appreciated that by providing the first interface 22 and the second interface 32 to be disposed at the same side of the back plate 12 in the left-right direction at intervals in the up-down direction, the first interface 22 and the second interface 32 can be prevented from interfering with each other while facilitating assembly, and the reliability of the frequency conversion apparatus 100 is improved.

In some embodiments of the utility model, the first interface 22 extends out of the side of the cabinet 1 and the second interface 32 extends out of the side of the cabinet 1, with the first interface 22 and the second interface 32 being opposite one another. For example, referring to fig. 3, the first interface 22 may be provided to extend in the left-right direction such that the first interface 22 may extend out of a side surface of the cabinet 1 in the left-right direction, and the second interface 32 may be provided to extend in the left-right direction such that the second interface 32 may extend out of the same side surface of the cabinet 1 in the left-right direction. Meanwhile, the size of the protruding side of the first interface 22 and the size of the second interface 32 along the protruding side may be set to be equal, so that the first interface 22 and the second interface 32 may be opposite in the up-down direction, so that the first interface 22 and the second interface 32 have the same installation position.

It can be understood that by arranging the first interface 22 and the second interface 32 to extend out of the side surface of the cabinet body 1, the external cold source can be connected with the first interface 22 and the second interface 32 at the side surface of the cabinet body 1, so that an installation space is not required to be reserved at the rear side of the frequency conversion equipment 100, the installation difficulty of the frequency conversion equipment 100 is reduced, and the satisfaction of users is improved.

In some embodiments of the present utility model, the second heat sink 3 is stacked on the back plate 12 of the cabinet 1, the housing 5 is disposed outside the back plate 12 of the cabinet 1, the housing 5 covers the outside of the back plate 12 of the cabinet 1, and the second heat sink 3 is disposed in the housing 5. For example, referring to fig. 3 to 4, the second heat sink 3 may be laminated on the back plate 12 of the cabinet 1, and a case 5 may be provided outside the back plate 12 of the cabinet 1, the case 5 being configured in a rectangular box shape, the case 5 being for being covered outside the back plate 12 of the cabinet 1 to define a sealed mounting cavity between the case 5 and the back plate 12, the second heat sink 3 being located in the mounting cavity, the case 5 may separate the second heat sink 3 from the external space. In this way, condensation of moisture in the outside air on the second radiator 3 can be avoided. Therefore, the water accumulation on the cabinet body 1 is reduced, the corrosion speed of the frequency conversion equipment 100 is reduced, and the service life of the frequency conversion equipment 100 is prolonged.

In some embodiments of the present utility model, a first supporting rib 13 and a second supporting rib 14 are connected to the outer side of the back plate 12 of the cabinet body 1, the first supporting rib 13 and the second supporting rib 14 are arranged at intervals along the up-down direction, the second radiator 3 is arranged between the first supporting rib 13 and the second supporting rib 14, and the first supporting rib 13 and the second supporting rib 14 are respectively fixedly connected with the back plate 12 of the cabinet body 1; the casing 5 covers the outer sides of the first supporting ribs 13 and the second supporting ribs 14, and the upper end and the lower end of the casing 5 are fixedly connected with the first supporting ribs 13 and the second supporting ribs 14 through fixing pieces respectively.

For example, referring to fig. 3 to 4, a first supporting rib 13 and a second supporting rib 14 may be disposed on the outer side of the back plate 12 of the cabinet 1, the first supporting rib 13 and the second supporting rib 14 are configured to extend in the left-right direction, the first supporting rib 13 and the second supporting rib 14 are disposed at intervals in the up-down direction, and the first supporting rib 13 and the second supporting rib 14 are respectively fixedly connected to the back plate 12 of the cabinet 1, for example, may be connected to the back plate 12 in a welding or adhesive manner, so that the first supporting rib 13 and the second supporting rib 14 are respectively disposed on two sides of the second radiator 3. The casing 5 covers and locates the outside of first supporting rib 13 and second supporting rib 14, and the upper end of casing 5 can link to each other with first supporting rib 13 through the mounting, and the lower extreme of casing 5 can link to each other with second supporting rib 14 through the mounting for casing 5 can be fixed on backplate 12 of casing 5.

It can be appreciated that the housing 5 is mounted on the first supporting rib 13 and the second supporting rib 14, so that the structure for connecting the housing 5 is not required to be arranged on the back plate 12, the processing difficulty of the back plate 12 is reduced, the structural strength of the back plate 12 is improved, the sealing performance of the accommodating cavity 11 is improved, and the reliability of the frequency conversion equipment 100 is improved.

In some embodiments of the utility model, the housing cavity 11 comprises a first cavity 111 and a second cavity 112, the first cavity 111 is configured as a closed loop extending along the peripheral wall of the cabinet 1 and around the second cavity 112, the first heat sink 2 is disposed within the first cavity 111, and the second heat sink 3 is configured for heat transfer with the second cavity 112 and/or the electronics 6 within the first cavity 111

For example, referring to fig. 2, the accommodating chamber 11 may be provided to include a first chamber 111 and a second chamber 112, the first chamber 111 being configured as a closed ring extending along the peripheral wall of the cabinet 1, and the first chamber 111 being provided around the second chamber 112. The first radiator 2 is arranged in the first cavity 111, the first radiator 2 can be arranged as an evaporator, 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 6 in the first cavity 111 so as to realize heat dissipation, so that the first radiator 2 can dissipate heat of the electronic device 6 in the first cavity 111 in an air cooling mode.

The frequency conversion device 100 is further provided with a second heat sink 3, which second heat sink 3 may also be provided as an evaporator, which second heat sink 3 may be in contact with the electronics 6 of the first cavity 111, or with the electronics 6 of the second cavity 112, or with the electronics 6 of the first and second cavities 111, 112, respectively. In this way, the second radiator 3 can radiate heat for the corresponding electronic device 6 in a heat conduction mode, so that the radiating efficiency is high, and the electronic device 6 with higher working temperature can be quickly radiated.

It can be appreciated that by arranging the first radiator 2 to cool the first cavity 111 in an air-cooled manner, and by arranging the second radiator 3 to reduce the temperature of the electronic devices 6 in the first cavity 111 or the second cavity 112 in a heat conduction manner, the electronic devices 6 of different types can be cooled in a targeted manner, the heat conduction between the different electronic devices 6 can be reduced, the operation stability of each electronic device 6 is improved, meanwhile, the interference between the different electronic devices 6 can be reduced, the stability of the frequency conversion device 100 is improved, and the failure rate is reduced by isolating the first cavity 111 from the second cavity 112.

Specifically, different heat dissipation modes may be provided according to different types of electronic devices 6, 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 6.

Of course, the above-described placement positions for the electronic device 6 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 includes the inverter device 100 according to any of the above embodiments.

According to the compressor provided by the embodiment of the utility model, the first connector of the first radiator 2 and the second connector of the second radiator 3 are arranged close to each other, so that the circuit is simplified, the connection difficulty of an external cold source and the first radiator 2 and the second radiator 3 can be reduced, the installation difficulty and the maintenance difficulty of the frequency conversion equipment 100 are reduced, the layout rationality of the compressor is improved, and the satisfaction degree of users is improved.

The utility model also provides heating and ventilation equipment.

The heating and ventilation device according to an embodiment of the present utility model includes the frequency conversion device 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 connector of the first radiator 2 and the second connector of the second radiator 3 are arranged close to each other, so that the circuit is simplified, the connection difficulty of an external cold source and the first radiator 2 and the second radiator 3 can be reduced, the installation difficulty and the maintenance difficulty of the frequency conversion equipment 100 are reduced, the reliability of the heating ventilation equipment is improved, and the satisfaction of users 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 (12)

1. A frequency conversion apparatus, comprising:

the electronic device comprises a cabinet body, wherein the cabinet body is provided with a containing cavity, and the containing cavity is configured to contain the electronic device;

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, and comprises a first interface and a first heat exchange pipeline connected with the first interface;

the second radiator is configured to radiate heat for the electronic device in the accommodating cavity in a heat conduction mode and comprises a second interface and a second heat exchange pipeline connected with the second interface;

an air flow driving part configured to form a heat radiation air flow flowing through the electronic device in the accommodating cavity and the first heat radiator in the accommodating cavity;

wherein the first interface is closer to the second interface than the first heat exchange line; and/or the second interface is closer to the first interface than the second heat exchange line.

2. The variable frequency device of claim 1, wherein the first interface comprises a first inlet and a first outlet, the first heat exchange conduit is connected between the first inlet and the first outlet, the second interface comprises a second inlet and a second outlet, and the second heat exchange conduit is connected between the second inlet and the second outlet.

3. The variable frequency device of claim 2, wherein the first inlet and the second inlet are integrated into the same interface, and the first outlet and the second outlet are integrated into the same interface.

4. The variable frequency device of claim 2, further comprising a first multi-pass joint and a second multi-pass joint, the first multi-pass joint being connected to the first inlet and the second inlet, respectively, and the second multi-pass joint being connected to the first outlet and the second outlet, respectively.

5. The variable frequency device of claim 2, wherein the first radiator is disposed at a bottom of the cabinet, the second radiator is disposed at a rear of the cabinet, and the first interface and the second interface are disposed on the same side of the cabinet in a left-right direction.

6. The inverter device of claim 5, wherein the second heat sink is laminated to the rear side of the back plate of the cabinet, and the first interface is disposed outside the back plate of the cabinet and below the second interface.

7. The variable frequency device of claim 6, wherein the first interface extends out of a side of the cabinet, the second interface extends out of a side of the cabinet, and the first interface and the second interface are vertically opposed.

8. The frequency conversion device according to any one of claims 1 to 7, wherein the second heat sink is laminated on the back plate of the cabinet, a housing is provided outside the back plate of the cabinet, the housing covers outside the back plate of the cabinet, and the second heat sink is provided inside the housing.

9. The variable frequency device according to claim 8, wherein a first supporting rib and a second supporting rib are connected to the outer side of the back plate of the cabinet body, the first supporting rib and the second supporting rib are arranged at intervals along the up-down direction, the second radiator is arranged between the first supporting rib and the second supporting rib, and the first supporting rib and the second supporting rib are respectively fixedly connected with the back plate of the cabinet body;

the shell covers the outer sides of the first supporting ribs and the second supporting ribs, and the upper end and the lower end of the shell are respectively fixedly connected with the first supporting ribs and the second supporting ribs through fixing pieces.

10. The frequency conversion apparatus according to any one of claims 1-7, wherein the housing cavity comprises a first cavity and a second cavity, the first cavity being configured as a closed loop extending along a peripheral wall of the cabinet and being arranged around the second cavity,

the first heat sink is disposed within the first cavity and the second heat sink is configured to be in thermal communication with the second cavity and/or electronics within the first cavity.

11. Compressor, characterized by comprising a frequency conversion device according to any of claims 1-10.

12. A heating ventilation device, characterized by comprising a frequency conversion device according to any one of claims 1-10; or a compressor according to claim 11.

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