CN218920761U - Frequency conversion device, compressor and heating ventilation equipment - Google Patents

Abstract

The utility model discloses a frequency conversion device, a compressor and heating and ventilation equipment, wherein the frequency conversion device comprises: the electronic device comprises a cabinet body, wherein the cabinet body is internally provided with a containing cavity with an opening at the front side, the containing cavity is configured to contain the electronic device, and the containing 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 in a gas circulation manner, and the first radiator is arranged along the extending direction of the first cavity. According to the frequency conversion device, the first cavity is arranged, so that gas can flow through the first cavity, the gas in the first cavity exchanges heat with the first radiator, the temperature of the gas in the first cavity is reduced, heat dissipation of the first cavity is achieved, the temperature of the frequency conversion device is effectively reduced, the heat dissipation effect of the frequency conversion device is improved, the first radiator is arranged along the extending direction of the first cavity, the layout of the first radiator is more reasonable, and the miniaturized design of the frequency conversion device is facilitated.

Description

Frequency conversion device, 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 device, a compressor and heating and ventilation equipment.

Background

The frequency converter control cabinet, which is called a frequency conversion device 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 industries and the like.

The frequency conversion device comprises an electronic device, when the frequency conversion device works, the electronic device can generate heat, and if the temperature in the frequency conversion device cannot be controlled, the working environment of the elements can be directly influenced, and the service life of the elements is further influenced.

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 provides the frequency conversion device which can effectively reduce the temperature of the frequency conversion device and is beneficial to improving the heat dissipation effect of the frequency conversion device.

According to an embodiment of the present utility model, a frequency conversion apparatus includes: the electronic device comprises a cabinet body, wherein the cabinet body is internally provided with a containing cavity with an opening at the front side, the containing cavity is configured to contain the electronic device, and the containing 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 in a gas circulation manner, and the first radiator is arranged along the extending direction of the first cavity.

According to the frequency conversion device provided by the embodiment of the utility model, the first cavity is arranged, so that gas can flow in the first cavity, and the gas in the first cavity exchanges heat with the first radiator, so that the temperature of the gas in the first cavity is reduced, the heat dissipation of the first cavity is realized, the temperature of the frequency conversion device is effectively reduced, the heat dissipation effect of the frequency conversion device is improved, the first radiator is arranged along the extending direction of the first cavity, the layout of the first radiator is more reasonable, and the miniaturized design of the frequency conversion device is realized.

According to some embodiments of the utility model, the first cavity includes a first flow channel, the first flow channel is disposed at the bottom of the cabinet body and adapted to guide airflow to circulate in the cabinet body along a left-right direction, and the first radiator is disposed in the first flow channel and extends along the left-right direction.

According to some embodiments of the utility model, the first heat sink includes: the mounting frame is arranged in the first cavity, extends along the left-right direction and separates the first flow passage, and is provided with a vent; and the heat exchanger is arranged on the mounting frame and covers the ventilation opening.

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 extends along the left-right direction, the first side plate is connected to the left side of the bottom plate, the second side plate is connected to the right side of the bottom plate, and the ventilation opening is formed in the bottom plate.

According to the frequency conversion device of some embodiments of the present utility model, the first side plate is provided with a mounting opening, the heat exchanger passes through the mounting opening in the left-right direction and extends towards the second side plate, 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 on the periphery of the mounting opening, and the second bracket is configured to be suitable for passing through the mounting opening.

According to the frequency conversion device of some embodiments of the present utility model, a first partition board is disposed in the cabinet body, the first flow channel is formed between the first partition board and the bottom wall of the cabinet body, the bottom board is spaced apart from the bottom wall of the cabinet body by a predetermined distance, the lower end of the second side board is connected to the bottom board, and the upper end of the second side board is connected to the first partition board.

According to some embodiments of the utility model, the first partition includes a first baffle, and the first baffle is inclined downward in a direction from left to right to guide the heat dissipation airflow to the first radiator.

According to the frequency conversion device of some embodiments of the present utility model, the first cavity further includes a second flow channel, a third flow channel and a fourth flow channel, the second flow channel is disposed on the right side in the cabinet body and extends in an up-down direction, the third flow channel is disposed on the upper side in the cabinet body and extends in a left-right direction, the fourth flow channel is disposed on the left side in the cabinet body and extends in an up-down direction, and the first flow channel, the second flow channel, the third flow channel and the fourth flow channel are sequentially connected to form a circulation air channel.

According to some embodiments of the utility model, the first radiator is an evaporator; and/or, the frequency conversion device further comprises an airflow driving piece, wherein the airflow driving piece is configured to form a radiating airflow flowing through the electronic device in the first cavity and the first radiator in the first cavity.

According to some embodiments of the utility model, the housing cavity further comprises a second cavity, the frequency conversion device 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.

According to some embodiments of the utility model, the second heat sink is a parallel flow heat sink.

The utility model also provides a compressor.

The compressor according to the embodiment of the utility model comprises the frequency conversion device according to any one of the embodiments.

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 device provided by any one of the embodiments; or the compressor described in the above embodiment.

The heating and ventilation equipment, the compressor and the frequency conversion device have the same advantages compared with the prior art, and are not described in detail herein.

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 a schematic diagram of a frequency conversion device according to some embodiments of the present utility model, wherein a door is closed;

FIG. 2 is a schematic view of the inverter shown in FIG. 1;

FIG. 3 is a schematic diagram of the inverter device shadow storage electronics shown in FIG. 2;

FIG. 4 is a front view of the inverter device shadow storage electronics shown in FIG. 3;

FIG. 5 is a schematic view of a first heat sink of the inverter device shown in FIG. 4;

FIG. 6 is a schematic view of the mounting bracket of the first heat sink shown in FIG. 5;

FIG. 7 is a schematic view of a heat exchanger of the first heat sink shown in FIG. 5;

fig. 8 is a schematic diagram of a frequency conversion device according to some embodiments of the utility model, in which a door is open.

Reference numerals:

the frequency conversion device 100 is configured to convert,

the cabinet body 10 is provided with a plurality of air-blowing devices,

the housing chamber (11) is provided with a cavity,

the first chamber 12, the first flow passage 121, the second flow passage 122, the third flow passage 123, the fourth flow passage 124,

the second chamber (13) is provided with a cavity,

capacitor 21, circuit breaker 22, contactor 23, transformer 24, igbts 25, reactor 26,

the first heat sink 30 is provided with a heat sink,

the mounting frame 31, the vent 301,

the bottom plate 311, the first side plate 312, the mounting opening 3121, the second side plate 313,

the heat exchanger 32, the first bracket 321, the second bracket 322,

the first partition 40, the first baffle 41,

the air flow driving member 50 is provided with a plurality of air flow driving members,

the door body 60 is provided with a plurality of opening portions,

and a second heat sink 70.

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.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

A frequency conversion apparatus 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 8.

The frequency conversion apparatus 100 according to an embodiment of the present utility model includes: a cabinet 10 and a first heat sink 30.

Specifically, as shown in fig. 1 and 2, the cabinet 10 has a housing chamber 11 with an opening at a front side, the housing chamber 11 is configured to house an electronic device, the housing chamber 11 includes a first chamber 12, a first heat sink 30 is disposed in the first chamber 12 and configured to reduce a temperature in the first chamber 12 by way of gas circulation, and the first heat sink 30 is disposed along an extending direction of the first chamber 12.

Therefore, the electronic device can be installed in the accommodating cavity 11 through the front opening, the installation difficulty of the electronic device is reduced conveniently, the accommodating cavity 11 comprises the first cavity 12, the first radiator 30 is installed in the first cavity 12, the air in the first cavity 12 takes away the heat in the first cavity 12 in a circulating way, and the air in the first cavity 12 exchanges heat with the first radiator 30, so that the heat dissipation of the first cavity 12 can be realized, namely the heat dissipation of the accommodating cavity 11 is realized, the temperature of the frequency conversion device 100 is reduced effectively, and the heat dissipation effect of the frequency conversion device 100 is improved.

For example, the electronic devices including but not limited to the capacitor 21, the circuit breaker 22, the contactor 23, the transformer 24, the IGBT25, the reactor 26, etc. may be installed in the accommodating cavity 11 of the cabinet 10, when the electronic devices work to generate heat, the heat is taken away by the gas circulation in the first cavity 12, so as to achieve the cooling of the electronic devices, and the gas taking away the heat exchanges heat with the first radiator 30, so that the temperature of the gas in the first cavity 12 is reduced, and thus the temperature of the frequency conversion device 100 is effectively reduced.

The heat dissipation of some electronic devices may be achieved by the air flow flowing in the first cavity 12, and other electronic devices may be cooled by other manners, that is, the placement position of the electronic device may be selected according to the type of the electronic device, so as to facilitate assembly, maintenance, connection with external devices, and the like of the frequency conversion apparatus 100.

For example, at least part of the electronics adapted to dissipate heat by the gas flow may be located within the first chamber 12, the remainder of the electronics not adapted to dissipate heat by the gas flow may be located in other areas of the housing chamber 11 and adapted to exchange heat with the gas within the first chamber 12 or dissipate heat by other means, or part of the electronics adapted to dissipate heat by the gas flow may be mounted directly within the first chamber 12, the remainder of the electronics not adapted to dissipate heat by the gas flow may be located in other areas of the housing chamber 11 and adapted to exchange heat with the gas within the first chamber 12 or dissipate heat by other means, or the electronics may be thermally connected to the outer wall of the first chamber 12, i.e. the electronics may be adapted to exchange heat with the gas within the first chamber 12.

Therefore, the temperature of the electronic device in the first cavity 12 can be reduced by the air flow flowing in the first cavity 12, so as to optimize the heat dissipation effect of the electronic device in the frequency conversion device 100, thereby effectively reducing the temperature of the frequency conversion device 100 and being beneficial to improving the heat dissipation effect of the frequency conversion device 100.

As shown in fig. 2, the first radiator 30 is disposed along the extending direction of the first cavity 12, for example, as shown in fig. 2, the first cavity 12 extends along the left-right direction, and the length direction of the first radiator 30 is the same as the left-right direction, that is, the first radiator 30 is also disposed along the left-right direction, so that the first radiator 30 can exchange heat with the gas in the first cavity 12 sufficiently, so as to improve the heat exchange efficiency, and the first radiator 30 is reasonably arranged according to the extending direction of the first cavity 12, so that the installation space in the first cavity 12 is fully utilized, thereby facilitating the realization of the miniaturized design of the frequency conversion device 100.

Of course, the above-described extending direction of the first chamber 12 is merely for illustration, and is not meant to be limiting.

According to the frequency conversion device 100 of the embodiment of the utility model, the first cavity 12 is arranged, so that gas can circulate in the first cavity 12, and the gas in the first cavity 12 exchanges heat with the first radiator 30, so that the temperature of the gas in the first cavity 12 is reduced, and therefore, the heat dissipation of the first cavity 12 is realized, the temperature of the frequency conversion device 100 is effectively reduced, the heat dissipation effect of the frequency conversion device 100 is improved, the first radiator 30 is arranged along the extending direction of the first cavity 12, the layout of the first radiator 30 is more reasonable, and the miniaturized design of the frequency conversion device 100 is realized.

In some embodiments, as shown in fig. 2-4, the first chamber 12 includes a first flow channel 121, the first flow channel 121 is disposed at a bottom portion of the cabinet 10 and adapted to guide an airflow flowing in a left-right direction in the cabinet 10, and the first heat sink 30 is disposed in the first flow channel 121 and extends in the left-right direction.

Therefore, the gas in the first cavity 12 can exchange heat with the first radiator 30 when flowing through the first flow passage 121, so as to reduce the temperature of the gas in the first cavity 12, and the first flow passage 121 is positioned at the bottom of the cabinet 10, and the first radiator 30 is positioned in the first flow passage 121, i.e. the first radiator 30 is also positioned at the bottom of the cabinet 10, so that the condensed water after the heat exchange of the first radiator 30 is conveniently collected and discharged.

It should be noted that, when the gas in the first cavity 12 takes away the heat of the electronic device and exchanges heat with the first heat sink 30, the gas with heat contacts the first heat sink 30 due to the low temperature of the first heat exchanger 32, and then condensed water is generated on the surface of the first heat sink 30, and the condensed water drops downward under the action of gravity, and the working environment of the electronic device generally needs to be kept dry.

Therefore, in the embodiment, the first flow channel 121 is disposed at the bottom of the cabinet 10, so that the first radiator 30 is mounted at the bottom of the cabinet 10, thereby facilitating the collection and discharge of the condensed water after the heat exchange of the first radiator 30, and avoiding the condensed water of the first radiator 30 flowing to other electronic devices, so as to ensure good working environment of the electronic devices.

In some embodiments, as shown in fig. 3-5, the first heat sink 30 includes: a mounting frame 31 and a heat exchanger 32.

As shown in fig. 3 and 4, a mounting frame 31 is provided in the first chamber 12, extends in the left-right direction, and partitions the first flow path 121, wherein, as shown in fig. 5 and 6, a vent 301 is provided on the mounting frame 31, and a heat exchanger 32 is mounted on the mounting frame 31 and covers the vent 301.

From this, be convenient for through setting up mounting bracket 31, be convenient for fix heat exchanger 32 on mounting bracket 31 to strengthen the structural stability of heat exchanger 32, wherein, mounting bracket 31 extends and separates first runner 121 along controlling the direction, and be equipped with vent 301 on the mounting bracket 31, so that the two parts of the first runner 121 of mounting bracket 31 both sides accessible vent 301 intercommunication, the air current in the first runner 121 can flow through vent 301 to the opposite side (such as the downside in fig. 4) of mounting bracket 31 by one side (such as the upside in fig. 4) of mounting bracket 31, in order to guarantee the fluidness of the air current in the first runner 121.

Further, the heat exchanger 32 is mounted on the mounting frame 31, and the heat exchanger 32 covers the ventilation opening 301, so that the air flow on one side of the mounting frame 31 enters the other side of the mounting frame 31 through the ventilation opening 301 after flowing through the heat exchanger 32, thereby facilitating heat exchange between the heat exchanger 32 and the air flow in the first flow channel 121, reducing the temperature of the air flow in the first flow channel 121, and further realizing heat dissipation of the frequency conversion device 100.

For example, as shown in fig. 4, the mounting frame 31 is fixed in the cabinet 10, and the heat exchanger 32 is fixed on the mounting frame 31, wherein the extending direction of the heat exchanger 32 is the same as the extending direction of the mounting frame 31, that is, the heat exchanger 32 may also extend along the left-right direction, and the heat exchanger 32 separates the first flow channel 121, so that the air flow in the first flow channel 121 can sufficiently exchange heat with the heat exchanger 32, so as to improve the heat exchange efficiency.

It should be noted that, the fixing manner of the mounting frame 31 and the cabinet body 10 may be a connection manner such as a bolt connection, a clamping connection, a plugging connection, or a magnetic attraction fit, which is not limited herein.

Further, as shown in fig. 6, the mounting bracket 31 includes a bottom plate 311, a first side plate 312, and a second side plate 313.

As shown in fig. 6, the bottom plate 311 extends in the left-right direction, the first side plate 312 is connected to the left side of the bottom plate 311, the second side plate 313 is connected to the right side of the bottom plate 311, and the ventilation opening 301 is provided in the bottom plate 311.

Therefore, the ventilation opening 301 is arranged on the bottom plate 311 so as to mount the heat exchanger 32 on the bottom plate 311, the heat exchanger 32 is supported by the bottom plate 311 so as to improve the stability of the heat exchanger 32, and meanwhile, the first side plate 312 and the second side plate 313 are respectively arranged on the left side and the right side of the bottom plate 311 so as to limit the heat exchanger 32 in the left-right direction, so that the heat exchanger 32 is prevented from shaking, and the stability of the heat exchanger 32 is further enhanced.

Further, as shown in fig. 5 and 6, the first side plate 312 is provided with a mounting opening 3121, the heat exchanger 32 passes through the mounting opening 3121 in the left-right direction and extends toward the second side plate 313, the left end of the heat exchanger 32 is provided with a first bracket 321, and the right end is provided with a second bracket 322, the first bracket 321 is laminated and fixedly connected with the first side plate 312, and the second bracket 322 is fixedly connected with the right end of the bottom plate 311 and is spaced apart from the second side plate 313 by a predetermined distance.

Therefore, the connection stability of the heat exchanger 32 and the mounting frame 31 is convenient to strengthen, the cooling pipeline and the second side plate 313 can be prevented from interfering, and the loading and unloading difficulty of the heat exchanger 32 is reduced.

For example, the mounting opening 3121 is provided on the first side plate 312, so that the heat exchanger 32 can be inserted into the mounting opening 3121 along the left-right direction, and then the heat exchanger 32 is mounted on the mounting frame 31, on one hand, the heat exchanger 32 can be mounted or dismounted in a guiding manner through the mounting opening 3121, so that the mounting difficulty of the heat exchanger 32 is reduced, and on the other hand, the mounting opening 3121 can play a guiding and positioning role in mounting the heat exchanger 32, so that the mounting accuracy of the heat exchanger 32 is improved.

As shown in fig. 7, the left end and the right end of the heat exchanger 32 are respectively provided with a first bracket 321 and a second bracket 322, the first bracket 321 and the first side plate 312 are stacked and fixedly connected, so that the contact area between the first bracket 321 and the first side plate 312 is increased, the connection stability of the first bracket 321 and the first side plate 312 is improved, the second bracket 322 and the second side plate 313 are spaced apart from each other by a preset distance in the left-right direction, so that the cooling pipeline arranged on the heat exchanger 32 is avoided, interference between the cooling pipeline and the second side plate 313 is avoided, and meanwhile, the cooling pipeline can be protected at two sides of the cooling pipeline through the second bracket 322 and the second side plate 313, so that the damage problem of the cooling pipeline is avoided.

Preferably, as shown in fig. 5, the peripheral edge of the first bracket 321 is laminated to the peripheral edge of the mounting opening 3121, and the second bracket 322 is configured to be adapted to pass through the mounting opening 3121.

Therefore, when assembling, the heat exchanger 32 can be arranged at the mounting opening 3121 along the left-right direction, and then the heat exchanger 32 is mounted on the mounting rack 31, wherein the second bracket 322 is configured to be suitable for penetrating the mounting opening 3121, so that interference between the second bracket 322 and the periphery of the mounting opening 3121 can be avoided, and the mounting difficulty of the heat exchanger 32 is reduced.

The peripheral edge of the first bracket 321 is laminated on the peripheral edge of the mounting opening 3121, so as to facilitate connection between the first bracket 321 and the first side plate 312, thereby enhancing connection stability between the first bracket 321 and the first side plate 312.

For example, the first bracket 321 is configured such that it cannot pass through the mounting opening 3121, i.e., the side area of the first bracket 321 is larger than the area of the mounting opening 3121, such that, when assembling, the second bracket 322 passes through the mounting opening 3121 first and moves in the left-right direction, and when the peripheral edge of the first bracket 321 is laminated on the peripheral edge of the mounting opening 3121, it represents the heat exchanger 32 to be mounted in place, and at this time, the second bracket 322 is spaced apart from the second side plate 313 by a preset space in the left-right direction.

Thus, the periphery of the first bracket 321 is laminated on the periphery of the mounting opening 3121, and the heat exchanger 32 and the mounting bracket 31 are assembled in place, so that the assembly efficiency of the heat exchanger 32 is improved.

In some embodiments, as shown in fig. 2 to 4, a first partition 40 is provided in the cabinet 10, a first flow channel 121 is formed between the first partition 40 and the bottom wall of the cabinet 10, a bottom plate 311 is spaced apart from the bottom wall of the cabinet 10 by a predetermined distance, a lower end of a second side plate 313 is connected to the bottom plate 311, and an upper end is connected to the first partition 40.

In other words, by providing the first partition 40 such that the first partition 40 and the bottom wall of the cabinet 10 together define the first flow passage 121, it is further convenient that the air flow in the first flow passage 121 may circulate along the extending direction of the first flow passage 121, wherein the bottom plate 311 is spaced apart from the bottom wall of the cabinet 10 by a predetermined distance such that the bottom plate 311 can divide the first flow passage 121 into two parts connected through the ventilation opening 301 in the up-down direction, wherein the upper and lower ends of the second side plate 313 are connected to the first partition 40 and the bottom plate 311, respectively.

In this way, when the air flow in the first flow channel 121 circulates, the air flow can enter the space above the bottom plate 311 through the ventilation opening 301 after exchanging heat with the heat exchanger 32, and at this time, the second side plate 313 can space the space above the bottom plate 311 from the space below the bottom plate 311, so that the air flow in the space above the bottom plate 311 directly enters the space below the bottom plate 311, and further the heat exchange efficiency of the heat exchanger 32 is improved.

Further, as shown in fig. 3 and 4, the first partition 40 includes a first baffle 41, and the first baffle 41 is inclined downward in a left-to-right direction to guide the heat radiation air flow to the first radiator 30.

Therefore, by arranging the first deflector 41, the first deflector 41 can deflect the heat dissipation air flow to the first radiator 30, so that the heat dissipation air flow can flow to the first radiator 30 more quickly for heat exchange, and the heat exchange efficiency is improved.

In some embodiments, as shown in fig. 2-4, the first chamber 12 further includes a second flow passage 122, a third flow passage 123, and a fourth flow passage 124.

As shown in fig. 2 to 4, the second flow passage 122 is provided at the right side in the cabinet 10 and extends in the up-down direction, the third flow passage 123 is provided at the upper side in the cabinet 10 and extends in the left-right direction, and the fourth flow passage 124 is provided at the left side in the cabinet 10 and extends in the up-down direction, and the first flow passage 121, the second flow passage 122, the third flow passage 123, and the fourth flow passage 124 are connected in order to form a circulation duct.

Therefore, by arranging the second flow channel 122, the third flow channel 123 and the fourth flow channel 124, the second flow channel 122, the third flow channel 123 and the fourth flow channel 124 can exchange heat with the electronic device in different areas of the accommodating cavity 11, thereby improving the heat exchange efficiency.

For example, the first cavity 12 is an annular cavity connected end to end, so as to realize circulation of the heat dissipation air flow in the first flow channel 121, the second flow channel 122, the third flow channel 123 and the fourth flow channel 124, and further perform heat exchange on electronic devices at different positions through circulation of the heat dissipation air flow, thereby improving heat exchange efficiency.

Meanwhile, the first flow channel 121, the second flow channel 122, the third flow channel 123 and the fourth flow channel 124 can be arranged in the accommodating cavity 11 around the electronic device, so that the space in the accommodating cavity 11 can be reasonably utilized, and the space utilization rate can be improved.

It should be noted that the first cavity 12 may be configured in a different annular structure, for example, the first cavity 12 may be a circular annular, an elliptical annular, a polygonal annular or an irregularly shaped annular cavity, which is not limited herein.

In some embodiments, the first heat sink 30 is an evaporator. The evaporator can be combined with a compressor, a condenser and the like, and heat dissipation is realized by utilizing refrigerant phase change, so that the heat dissipation efficiency and effect in the first cavity 12 are optimized. When the frequency conversion device is used, the evaporator is arranged in the first cavity 12, and the air flow in the first cavity 12 can be utilized to convey the cold energy on the evaporator to other positions in the first cavity 12, so that the heat dissipation of the first cavity 12 is realized, the running environment of an electronic device is optimized, and the stability and the service life of the frequency conversion device 100 are improved.

Alternatively, as shown in fig. 4, the frequency conversion apparatus 100 further includes an airflow driving member 50, and the airflow driving member 50 is configured to form a heat dissipation airflow flowing through the electronic device in the first cavity 12 and the first heat sink 30 in the first cavity 12.

To facilitate airflow within the first chamber 12, the airflow driver 50 may be configured to drive airflow within the first chamber 12 into a heat dissipating airflow that may be configured to flow through the electronics within the first chamber 12 and the first heat sink 30.

Thus, when the air flow passes through the first radiator 30, heat in the air flow can be exchanged to the first radiator 30 to reduce the temperature of the air flow, and cold of the first heat exchanger 32 can be absorbed for radiating the first cavity 12; when the air flow passes through the electronic devices in the first cavity 12, the cold energy in the air flow can be exchanged to the electronic devices in the first cavity 12, and the heat of the electronic devices in the first cavity 12 is taken away, so that the heat dissipation of the electronic devices in the first cavity 12 is realized. That is, heat from the electronic devices within the first cavity 12 is directed to the first heat sink 30 to dissipate heat from the electronic devices within the first cavity 12.

Or the first heat sink 30 is an evaporator, and the frequency conversion device 100 further includes an airflow driving member 50, where the airflow driving member 50 is configured to form a heat dissipation airflow flowing through the electronic device in the first cavity 12 and the first heat sink 30 in the first cavity 12.

Thus, the evaporator can be combined with a compressor, a condenser, etc., and the heat dissipation is realized by utilizing the refrigerant phase change, so that the heat dissipation efficiency and effect in the first cavity 12 are optimized. When the frequency conversion device is used, the evaporator is arranged in the first cavity 12, and the air flow in the first cavity 12 can be utilized to convey the cold energy on the evaporator to other positions in the first cavity 12, so that the heat dissipation of the first cavity 12 is realized, the running environment of an electronic device is optimized, and the stability and the service life of the frequency conversion device 100 are improved.

Meanwhile, when the air flow passes through the evaporator, heat in the air flow can be exchanged to the evaporator so as to reduce the temperature of the air flow, and the cold energy of the first heat exchanger 32 can be absorbed for radiating the first cavity 12; when the air flow passes through the electronic devices in the first cavity 12, the cold energy in the air flow can be exchanged to the electronic devices in the first cavity 12, and the heat of the electronic devices in the first cavity 12 is taken away, so that the heat dissipation of the electronic devices in the first cavity 12 is realized. That is, heat from the electronic devices in the first chamber 12 is transferred to the evaporator, thereby dissipating heat from the electronic devices in the first chamber 12.

For example, the air flow driving part 50 may be configured as a fan, and two fans may be provided, and the two fans are respectively located at the communication position of the first flow passage 121 and the second flow passage 122 and the communication position of the third flow passage 123 and the fourth flow passage 124, so as to facilitate the circulation of the air flow in the first chamber 12 by the fans.

In some embodiments, as shown in fig. 8, the accommodating cavity 11 further includes a second cavity 13, and the frequency conversion device 100 further includes: a door 60 and a second heat sink 70.

The door 60 is connected to the cabinet 10 and adapted to open and close the second chamber 13, and the second heat sink 70 is configured to dissipate heat from the electronic devices within the second chamber 13 by heat conduction.

Therefore, the door 60 is provided so as to open or close the second cavity 13, so as to facilitate the assembly and disassembly of the electronic devices in the second cavity 13, and the second heat sink 70 is configured to dissipate heat for the electronic devices in the second cavity 13 in a heat conduction manner, so as to facilitate the heat dissipation of the electronic devices in the second cavity 13, so as to maintain the stable operation of the electronic devices in the second cavity 13, improve the operation stability of the frequency conversion device 100, and reduce the failure rate.

For example, the second heat sink 70 is at least partially disposed within the second cavity 13. It is possible to realize stable heat dissipation to the electronic device stacked or adjacent to the second heat sink 70; and meanwhile, the temperature in the second cavity 13 can be reduced through the second radiator 70, so that the purpose of radiating other electronic devices in the second cavity 13 is achieved.

For example, a second heat sink 70 is provided on the back of the cabinet 10 and corresponds to the location of at least part of the electronics within the second cavity 13. Not only can the installation of the second radiator 70 be facilitated, but also the condensate water generated in the operation process of the second radiator 70 can be prevented from flowing into the cabinet body 10, and the operation stability of the frequency conversion device 100 is improved.

It should be noted that, different heat dissipation manners may be provided according to different types of electronic devices, for example, the heat generated during the operation of the circuit breaker 22 is relatively small, and the heat dissipation device may be disposed in the accommodating cavity 11 and relatively far from the second heat sink 70; the reactor 26 generates relatively high heat in the operation process, and can be placed in the first cavity 12 to dissipate heat in an air cooling manner; the heat quantity of the capacitor 21 in the operation process is lower than that of the reactor 26, the capacitor 21 can be placed in the first cavity 12, heat is dissipated in an air cooling mode, and the first radiator 30, the capacitor 21 and the reactor 26 are sequentially arranged in the flowing direction of heat dissipating airflow, so that good heat dissipation of all components can be achieved; the temperature of the IGBT25 and the diode in the operation process is relatively high, and the placement of the IGBT25 and the diode in the first cavity 12 may affect the heat dissipation effect of other components in the first cavity 12, so in the present utility model, the IGBT25 and the diode are preferably placed in the second cavity 13, and the second heat sink 70 is used to dissipate heat, which not only can improve the heat dissipation effect of the IGBT25 and the diode, but also can avoid the heat in the operation process of the IGBT25 and the diode from affecting the stable operation of other electronic devices.

Of course, the above-described placement locations for electronic devices are for illustration only and are not meant to be limiting.

In some embodiments, the second heat sink 70 is a parallel flow heat sink.

It should be noted that, the parallel flow radiator belongs to a micro-channel heat exchanger 32, which has the characteristics of high heat exchange efficiency and compact structure, so the second radiator 70 is configured as a parallel flow radiator, so that the second radiator 70 has the advantages of high heat exchange efficiency, compact structure and the like, and the miniaturized design of the frequency conversion device 100 can be realized while the heat exchange efficiency of electronic devices is improved.

Meanwhile, the parallel flow radiator can have higher cooling capacity, so that effective heat dissipation of the electronic devices in the second cavity 13 can be realized, stable operation of the electronic devices in the second cavity 13 is maintained, operation stability of the frequency conversion device 100 is improved, and failure rate is reduced.

The utility model also provides a compressor.

The compressor according to an embodiment of the present utility model includes the inverter device 100 of any one of the above embodiments.

According to the compressor disclosed by the embodiment of the utility model, the frequency conversion device 100 is provided with the first cavity 12, so that gas can circulate in the first cavity 12, and the gas in the first cavity 12 exchanges heat with the first radiator 30, so that the temperature of the gas in the first cavity 12 is reduced, and the heat dissipation of the first cavity 12 is realized, and the temperature of the frequency conversion device 100 is effectively reduced, thereby being beneficial to improving the heat dissipation effect of the frequency conversion device 100, and the first radiator 30 is arranged along the extending direction of the first cavity 12, so that the layout of the first radiator 30 is more reasonable, and the miniaturized design of the frequency conversion device 100 is facilitated.

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 or the compressor according to any one of the above embodiments.

According to the heating ventilation equipment provided by the embodiment of the utility model, the frequency conversion device 100 is provided with the first cavity 12, so that gas can circulate in the first cavity 12, and the gas in the first cavity 12 exchanges heat with the first radiator 30, so that the temperature of the gas in the first cavity 12 is reduced, and the heat dissipation of the first cavity 12 is realized, so that the temperature of the frequency conversion device 100 is effectively reduced, the heat dissipation effect of the frequency conversion device 100 is improved, the first radiator 30 is arranged along the extending direction of the first cavity 12, the layout of the first radiator 30 is more reasonable, and the miniaturized design of the frequency conversion device 100 is realized.

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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

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 (14)

1. A frequency conversion apparatus, comprising:

the electronic device comprises a cabinet body, wherein the cabinet body is internally provided with a containing cavity with an opening at the front side, the containing cavity is configured to contain the electronic device, and the containing 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 in a gas circulation manner, and the first radiator is arranged along the extending direction of the first cavity.

2. A variable frequency device as claimed in claim 1, wherein the first chamber comprises a first flow passage provided at a bottom of the cabinet body and adapted to guide an air flow to circulate in a left-right direction in the cabinet body, and the first heat sink is provided in the first flow passage and extends in the left-right direction.

3. The frequency conversion device of claim 2, wherein the first heat sink comprises:

the mounting frame is arranged in the first cavity, extends along the left-right direction and separates the first flow passage, and is provided with a vent;

and the heat exchanger is arranged on the mounting frame and covers the ventilation opening.

4. A variable frequency device according to claim 3, wherein the mounting frame comprises a base plate, a first side plate and a second side plate, the base plate extends in a left-right direction, the first side plate is connected to the left side of the base plate, the second side plate is connected to the right side of the base plate, and the ventilation opening is provided in the base plate.

5. The frequency conversion device according to claim 4, wherein the first side plate is provided with a mounting opening, the heat exchanger passes through the mounting opening in the left-right direction and extends toward the second side plate, 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.

6. The frequency conversion device according to claim 5, wherein a peripheral edge of the first bracket is laminated to a peripheral edge of the mounting port, and the second bracket is configured to be adapted to pass through the mounting port.

7. The variable frequency device of claim 5, wherein a first partition is disposed in the cabinet, the first flow channel is formed between the first partition and a bottom wall of the cabinet, the bottom plate is spaced apart from the bottom wall of the cabinet by a predetermined distance, a lower end of the second side plate is connected to the bottom plate, and an upper end of the second side plate is connected to the first partition.

8. The frequency conversion device of claim 7, wherein the first baffle includes a first deflector that slopes downward in a left-to-right direction to deflect a heat sink airflow to the first heat sink.

9. The variable frequency device according to claim 2, wherein the first chamber further comprises a second flow passage, a third flow passage, and a fourth flow passage, the second flow passage is provided on the right side in the cabinet body and extends in the up-down direction, the third flow passage is provided on the upper side in the cabinet body and extends in the left-right direction, the fourth flow passage is provided on the left side in the cabinet body and extends in the up-down direction, and the first flow passage, the second flow passage, the third flow passage, and the fourth flow passage are connected in order to form a circulation duct.

10. The frequency conversion device according to any one of claims 1-9, wherein the first heat sink is an evaporator;

and/or, the frequency conversion device further comprises an airflow driving piece, wherein the airflow driving piece is configured to form a radiating airflow flowing through the electronic device in the first cavity and the first radiator in the first cavity.

11. The frequency conversion device according to any one of claims 1-9, wherein the receiving cavity further comprises a second cavity, the frequency conversion device 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.

12. A variable frequency device as claimed in claim 11, wherein the second heat sink is a parallel flow heat sink.

13. Compressor, characterized by comprising a frequency conversion device according to any of claims 1-12.

14. Heating and ventilation device, characterized by comprising a frequency conversion device according to any one of claims 1-12; or a compressor according to claim 13.

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