CN219068073U - Frequency conversion cabinet and HVAC equipment - Google Patents

Abstract

The utility model discloses a frequency conversion cabinet and HVAC equipment, wherein the frequency conversion cabinet comprises: a cabinet body, the cabinet body is provided with an accommodating cavity, and the accommodating cavity is configured to accommodate electronic devices; a junction box, the wiring box The box is arranged on the outside of the cabinet, and the junction box is provided with a first connection port and a second connection port, the first connection port and the second connection port are spaced apart, and are suitable for cable connection into the junction box. In the above-mentioned frequency conversion cabinet, the first connection port and the second connection port of the junction box are arranged at intervals, and both are suitable for cables to be connected to the junction box. The layout of the connection positions is reasonable, which improves the flexibility of customer connection.

Description

Frequency conversion cabinet and HVAC equipment

technical field

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

Background technique

The frequency conversion cabinet control cabinet, referred to as the frequency conversion cabinet, can be widely used in metallurgy, chemical industry, petroleum, water supply, mining, building materials, motor industries and other pumps, fans, compressors, rolling mills, injection molding machines, belt conveyors and other medium voltage electrical appliances. machine equipment.

In the related art, there is a problem that the wiring position is unreasonable.

Utility model content

The embodiment of the utility model provides a frequency conversion cabinet and heating and ventilation equipment.

The frequency conversion cabinet provided in this embodiment includes:

A cabinet body, the cabinet body is provided with an accommodating cavity, and the accommodating cavity is configured to accommodate electronic devices;

A junction box, the junction box is arranged outside the cabinet, the junction box is provided with a first junction opening and a second junction opening, the first junction opening and the second junction opening are arranged at intervals, and Both are suitable for cables entering the junction box.

In the above-mentioned frequency conversion cabinet, the first connection port and the second connection port of the junction box are arranged at intervals, and both are suitable for cables to be connected to the junction box. The layout of the connection positions is reasonable, which improves the flexibility of customer connection.

In some embodiments, the first wiring opening and the second wiring opening are respectively located on different sides of the junction box.

In some embodiments, the junction box includes a first junction box disposed on the left or right side of the cabinet, and the first junction box is used for power input.

In some embodiments, the frequency conversion cabinet further includes a first input row and a second input row, both of the first input row and the second input row extend into the first junction box, and the The parts of the first input row and the second input row in the first junction box are arranged at intervals along the up and down direction, and the first input row and the second input row are adapted to be independently connected to a power supply,

In the first junction box, the first junction opening is vertically opposite to the first input row, and the second junction opening is vertically opposite to the second input row.

In some embodiments, the junction box further includes a second junction box disposed on the back of the cabinet, and the second junction box is used for power output.

In some embodiments, the frequency conversion cabinet further includes a third input row, and the third input row extends into the second junction box,

In the second junction box, the first junction opening is vertically opposite to the third input row, and the second junction opening is opposite to the third input row front and back.

In some embodiments, the junction box includes a plurality of,

Wherein, multiple junction boxes are arranged on the same side of the cabinet; or at least two of the plurality of junction boxes are arranged on different sides of the cabinet.

In some embodiments, at least one of the first wiring port and the second wiring port is provided with a sealing ring, the sealing ring closes the wiring port, and the sealing ring is provided with an opening , so as to be suitable for cable entry and seal fit with the cable.

In some embodiments, the accommodating chamber includes a first chamber and a second chamber, and the frequency conversion cabinet further includes:

a first radiator, disposed in the first cavity, configured to reduce the temperature in the first cavity by air cooling;

The second heat sink is configured to dissipate heat for the electronic devices in the second cavity through heat conduction;

The airflow driver is configured to form a cooling airflow in the first cavity to flow through the electronic device in the first cavity and the first radiator.

In some embodiments, also include:

a door body, the door body is connected to the cabinet body and is configured to open and close the accommodating cavity,

Wherein, electronic devices are arranged on the door body.

In some embodiments, at least one of a communication module, a display module, a low-voltage control module and an emergency stop button is provided on the door body.

The HVAC equipment provided by the embodiment of the utility model includes:

The frequency conversion cabinet in any of the above-mentioned embodiments;

An air-conditioning unit, the air-conditioning unit is connected with the frequency conversion cabinet.

In some embodiments, the unit control board of the air-conditioning unit is integrated on the frequency conversion cabinet, and the unit control board and the air-conditioning unit transmit signals.

In the above-mentioned HVAC equipment, the first connection port and the second connection port of the junction box are arranged at intervals, and both are suitable for cables to be connected to the junction box. The layout of the connection positions is reasonable, which improves the flexibility of customer connection.

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

Description of drawings

Fig. 1 is a schematic diagram of a frequency conversion cabinet according to an embodiment of the present invention, wherein the door body is closed.

Fig. 2 is a schematic diagram of a frequency conversion cabinet according to an embodiment of the present invention, wherein the door is opened.

Fig. 3 is a schematic diagram of a frequency conversion cabinet according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a frequency conversion cabinet according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a frequency conversion cabinet according to an embodiment of the present invention.

Reference signs: frequency conversion cabinet 100, cabinet body 10, opening 12, back panel 14, side panel 16, door body 18, first installation board 101, second installation board 102, third installation board 103, fourth installation board 104 , accommodating cavity 20, first cavity 201, first radiator 2011, second cavity 202, second radiator 2021, airflow driver 22, electronic device 30, junction box 40, first junction box 41, second wiring Box 42 , first wiring port 401 , second wiring port 402 , first input row 51 , second input row 52 .

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Disassemble the connection, or connect in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The disclosure herein provides many different implementations or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described herein. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Referring to Figures 1-5, the frequency conversion cabinet 100 provided in this embodiment includes: a cabinet body 10 and a junction box 40, wherein the cabinet body 10 is provided with an accommodating cavity 20, and the accommodating cavity 20 is configured to accommodate electronic devices 30; The box 40 is arranged on the outside of the cabinet body 10. The junction box 40 is provided with a first junction port 401 and a second junction port 402. The first junction port 401 and the second junction port 402 are spaced apart and are suitable for cable access. Junction box 40.

In the frequency conversion cabinet 100, the first connection port 401 and the second connection port 402 of the junction box 40 are arranged at intervals, and both are suitable for connecting cables to the junction box 40. The layout of the connection positions is reasonable, which improves the flexibility of customer connection.

Specifically, referring to FIGS. 2-4 , the front side of the accommodating cavity 20 in the cabinet 10 has an opening 12 , and the rear side has a backboard 14 . Above, the side of the opening 12 of the cabinet body 10 shown in the figure is the left and right direction of the cabinet body 10 along the short side direction, and the side of the opening 12 of the cabinet body 10 shown in the figure is the up and down direction of the cabinet body 10 along the long side direction. The accommodating cavity 20 provided in the cabinet body 10 is used for accommodating the electronic device 30 . In order to facilitate the installation and maintenance of the electronic device 30 , an opening 12 is provided on the front side of the accommodating cavity 20 . A backboard 14 is arranged on the rear side of the cabinet body 10 , and a sideboard 16 is arranged on the side. The junction box 40 is disposed outside the cabinet 10 , and in some embodiments, the junction box 40 is located on the side of the cabinet 10 or the junction box 40 is located on the back of the cabinet 10 . In this way, the layout of the junction box 40 is reasonable, which is convenient for customers to install and improves the flexibility of customer wiring. In addition, the junction box 40 is provided with a first junction opening 401 and a second junction opening 402 , the first junction opening 401 and the second junction opening 402 are spaced apart, and both are suitable for connecting cables into the junction box 40 . In some embodiments, the first junction port 401 and the second junction port 402 are located on opposite sides of the junction box 40, wherein the first junction port 401 may be located on the upper side of the junction box 40, and the second junction port 402 may be located under the junction box 40 side.

The electronic device 30 in the accommodating chamber 20 may include the electronic device 30 housed in the accommodating chamber 20 may include an electric control board, a 2G module, a display screen, an emergency stop button, a control board, a guide vane fan board, a control board, and a terminal block. , smart telegraph, transformer, circuit breaker, 24V power board, drive board, control board, 380V power board, APF, filter board, absorption resistor, capacitor, IGBT, transformer, snubber resistor, fan, evaporator, reactor, mutual inductance devices, diodes. Wherein, the electronic device 30 may include absorption resistors, capacitors, IGBTs, transformers, snubber resistors, fans, evaporators, reactors, transformers, and diodes. The electronic device 30 may include an electric control board, a 2G module, a display screen, an emergency stop button, a control board, a guide vane fan board, a control board, terminal blocks, a smart telegraph, a transformer, a circuit breaker, a 24V power board, a drive board, a control board, 380V power board, APF, filter board.

In some implementations, the electronic devices 30 are arranged in layers along the front-to-back direction, and the layers are distinct, which can be realized by installing the electronic devices 30 on multiple mounting boards arranged in layers along the front-to-back direction in the cabinet body 10 . Referring to Fig. 3, in this embodiment, there are a plurality of mounting plates in the cabinet 10, the first mounting plate 101, the second mounting plate 102, the third mounting plate 103 and the fourth mounting plate 104, and the four mounting plates are stacked on the There are gaps between the front side of the backboard 14 and the first installation board 101 , the second installation board 102 , the third installation board 103 and the fourth installation board 104 and the back board 14 . The electronic devices 30 are mounted on the first mounting board 101 , the second mounting board 102 , the third mounting board 103 and the fourth mounting board 104 , so that the electronic devices 30 are arranged in layers along the front and back direction, and the layers are distinct.

In some embodiments, please refer to FIG. 1 and FIG. 3 , the first wiring opening 401 and the second wiring opening 402 are respectively located on different sides of the junction box 40 .

In this way, the two wiring ports are located on different sides of the junction box 40, and the wiring layout is reasonable, which improves the flexibility of wiring for customers.

Specifically, in some embodiments, the junction box 40 is arranged on the left side of the cabinet body 10, the first junction opening 401 and the second junction opening 402 are respectively located on different sides of the junction box 40, and the first junction opening 401 is located on the left side of the junction box. 40 on the upper side, and the second connection port 402 is located on the lower side of the junction box 40 . In some other embodiments, the junction box 40 is arranged on the right side of the cabinet body 10 , the first junction box 401 is located on the upper side of the junction box 40 , and the second junction box 402 is located on the lower side of the junction box 40 .

In some embodiments, please refer to FIG. 1 and FIG. 2 , the junction box 40 includes a first junction box 4140 disposed on the left or right side of the cabinet body 10 , and the first junction box 4140 is used for power input.

In this way, the first junction box 4140 for power input is arranged on the left or right side of the cabinet body 10, and the layout is reasonable, which improves the flexibility of customer wiring.

Specifically, in some embodiments, the first junction box 4140 is arranged on the left side of the cabinet body 10, the first junction port 401 and the second junction port 402 are respectively located on different sides of the first junction box 4140, and the first junction port 401 is located on the upper side of the junction box 40 , and the second junction port 402 is located on the lower side of the junction box 40 . In other embodiments, the first junction box 4140 is located on the right side of the cabinet body 10 , the first junction box 401 is located on the upper side of the first junction box 4140 , and the second junction box 402 is located on the lower side of the first junction box 4140 .

In some embodiments, please refer to FIG. 5 , the frequency conversion cabinet 100 further includes a first input row 51 and a second input row 52 , and both the first input row 51 and the second input row 52 extend into the first junction box 4140 , and the part of the first input row 51 and the second input row 52 in the first junction box 4140 is arranged at intervals along the up and down direction, the first input row 51 and the second input row 52 are suitable for connecting the power supply independently, in the first In the junction box 4140 , the first junction opening 401 is vertically opposite to the first input row 51 , and the second junction opening 402 is vertically opposite to the second input row 52 .

In this way, both the first input row 51 and the second input row 52 protrude into the first junction box 4140 to be connected with the electronic device 30 .

Specifically, the metal rows include a first input row 51 and a second input row 52 , the first input row 51 is located above the cabinet body 10 , and the second input row 52 is located below the cabinet body 10 . Wherein, the first input row 51 may include three copper rods arranged at intervals, and the second input row 52 may also include three copper bars arranged at intervals. Both the first input row 51 and the second input row 52 extend into the first junction box 4140, and the first input row 51 and the second input row 52 are arranged at intervals in the first junction box 4140, that is, more The copper rods are arranged at intervals, which is convenient for connecting the electronic device 30 . The first input bank 51 and the second input bank 52 are adapted to be independently connected to power sources, the first junction box 4140 is configured for power input, and the second junction box 4240 can be used for power output. In the first junction box 4140, the first junction port 401 is vertically opposite to the first input row 51, and the second junction port 402 is vertically opposite to the second input row 52, and the layout is reasonable.

In some embodiments, please refer to FIG. 1 and FIG. 2 , the junction box 40 further includes a second junction box 4240 disposed on the back of the cabinet 10 , and the second junction box 4240 is used for power output.

In this way, the second junction box 4240 disposed on the back of the cabinet body 10 can be used for power output.

Specifically, the second junction box 4240 is disposed on the back of the cabinet body 10 , and in some embodiments, the second junction box 4240 is located on the side of the back near the first junction box 4140 . In this way, the layout of the wiring position is reasonable, which improves the flexibility of customer wiring.

In some embodiments, the frequency conversion cabinet 100 further includes a third input row, and the third input row extends into the second junction box 4240, and in the second junction box 4240, the first junction port 401 is up and down with the third input row opposite, and the second wiring port 402 is opposite to the third input row front and back.

In this way, the third input row extends into the second junction box 4240 to connect with the electronic device 30 in the second junction box 4240 .

Specifically, the frequency conversion cabinet 100 also includes a third input row, which extends into the second junction box 4240, and the third input row may be the same as the first input row 51 or the second input row 52, and may include three spacers Arranged copper rods.

In some embodiments, there are multiple junction boxes 40 , wherein the plurality of junction boxes 40 are disposed on the same side of the cabinet body 10 ; or at least two of the plurality of junction boxes 40 are disposed on different sides of the cabinet body 10 .

In this way, multiple junction boxes 40 are reasonably arranged on the cabinet body 10, which improves the flexibility of customer wiring.

Specifically, referring to FIG. 1 and FIG. 2, in some embodiments, the junction box 40 includes two, a first junction box 4140 and a second junction box 4240, wherein the first junction box 4140 is located on the left side of the cabinet 10, The second junction box 4240 is located at the rear side of the cabinet body 10 .

In some embodiments, at least one of the first wiring port 401 and the second wiring port 402 is provided with a sealing ring, the sealing ring seals the wiring port, and the sealing ring is provided with an opening 12, which is suitable for cable Access and seal fit with cable.

In this way, the sealing ring provided at the junction opening seals the junction opening, which can seal the junction box 40 and protect the electronic device 30 in the junction box 40 .

Specifically, in some embodiments, the first connection port 401 and the second connection port 402 are respectively arranged on the upper and lower sides of the junction box 40, the first connection port 401 and the second connection port 402 are both provided with sealing rings, and the sealing rings The first wiring opening 401 and the second wiring opening 402 may be sealed.

In some embodiments, please refer to FIG. 1 and FIG. 4 , the accommodating chamber 20 includes a first chamber 201 and a second chamber 202 , and the frequency conversion cabinet 100 further includes: a first radiator 2011 , a second radiator 2021 and an airflow drive Part 22, wherein the first radiator 2011 is arranged in the first chamber 201, configured to reduce the temperature in the first chamber 201 by air cooling; the second radiator 2021 is configured to be in the second chamber 202 by heat conduction The electronic device 30 dissipates heat; the airflow driver 22 is configured to form a heat dissipation airflow flowing through the electronic device 30 in the first cavity 201 and the first heat sink 2011 in the first cavity 201 .

In this way, heat dissipation of the electronic device 30 in the first cavity 201 and the second cavity 202 is facilitated, and the operation stability and service life of the electronic device 30 in the first cavity 201 and the second cavity 202 can be improved.

Specifically, a first heat sink 2011 can be provided in the first cavity 201, and the first heat sink 2011 can provide cooling capacity. When the heat in the first cavity 201 is reduced by air cooling, the first heat sink 2011 The heat in the wind can be taken away, and the airflow can be dissipated in time, so that the airflow can better dissipate heat with the electronic device 30 in the first cavity 201 , and effectively improve the air cooling effect in the first cavity 201 . The heat exchange between the first heat sink 2011 and the electronic device 30 in the first cavity 201 is realized through the airflow, and the temperature in the first cavity 201 is lowered by air cooling.

In order to promote the flow of air in the first chamber 201, the cabinet 10 can also include an airflow driver 22, which can be configured to drive the airflow in the first chamber 201 to form a heat dissipation airflow, and the heat dissipation airflow can be set to flow through the first chamber 201. An electronic device 30 and a first heat sink 2011 in a cavity 201 . When the airflow passes through the first radiator 2011, the heat in the airflow can be exchanged to the first radiator 2011 to lower the temperature of the airflow, and the cooling capacity of the first radiator 2011 can be absorbed for cooling the first cavity 201 Carry out heat dissipation; when the airflow flows through the electronic device 30 in the first chamber 201, the cold energy in the airflow can be exchanged to the electronic device 30 in the first chamber 201, and the heat of the electronic device 30 in the first chamber 201 can be brought to dissipate heat from the electronic device 30 in the first cavity 201. That is to say, the heat of the electronic device 30 in the first cavity 201 is sent to the first heat sink 2011 to realize the heat dissipation of the electronic device 30 in the first cavity 201 .

In addition, the accommodating chamber 20 may further include a second chamber 202 , and the heat dissipation method of the electronic device 30 in the second chamber 202 may be different from that of the electronic device 30 in the first chamber 201 . For example, a second heat sink 2021 corresponding to the second cavity 202 may be provided, and the second heat sink 2021 may be configured to dissipate heat for the electronic device 30 in the second cavity 202 through heat conduction. In this way, the heat dissipation of the electronic device 30 in the second cavity 202 is realized. Through heat conduction, the heat dissipation efficiency and effect can be improved, and rapid heat dissipation can be realized for the electronic device 30 with a relatively high operating temperature.

According to the frequency conversion cabinet 100 of the embodiment of the present invention, a first chamber 201 and a second chamber 202 are provided. The first chamber 201 can use air cooling to exchange heat, and the first radiator 2011 is used to cool the inside of the first chamber 201. temperature of the electronic device 30 in the first cavity 201; and the second heat sink 2021 can be used to reduce the temperature of the electronic device 30 in the second cavity 202, and different methods can be used to dissipate heat, which can be targeted for different The heat dissipation of the electronic devices 30 of different types can reduce the heat conduction between different electronic devices 30 and improve the stability of the operation of each electronic device 30. 30, improve the stability of the frequency conversion cabinet 100, and reduce the failure rate.

In some embodiments of the present utility model, the first chamber 201 is a closed chamber, which constructs a closed flow channel in the cabinet body 10, which can be realized by combining the airflow driving member 22 and the first heat sink 2011 Heat dissipation for the electronic device 30 in the first cavity 201 . And the second cavity 202 can be set to the form of opening, for example, the space outside the first cavity 201 in the cabinet body 10 is set to the second cavity 202, this moment because the second cavity 202 is an open space, can facilitate the second cavity Installation and maintenance of the electronic device 30 in the second cavity 202. In addition, a door body 18 can be installed on the cabinet body 10 , and the cabinet body 10 can be opened and closed through the door body 18 . Specifically, in some embodiments, the door body 18 can be used to open and close the second chamber 202. When the door body 18 is opened, the second chamber 202 is opened, which can facilitate the access to the electronic device 30 in the second chamber 202. Installation and enclosure, and it is convenient to check the operating status of the frequency conversion cabinet 100 through the electronic device 30 in the second cavity 202, and at this time, the first cavity 201 is in a closed state, which will not affect the space in the second cavity 202, In the second chamber 202, it can be maintained in an environment with low humidity and less dust, and its heat dissipation effect and operation stability are relatively high; when the door body 18 is closed, the second chamber 202 is closed, and at this time, A relatively closed environment will be formed in the second chamber 202. At this time, under the action of natural convection or other methods, the temperature in the second chamber 202 can be relatively uniform everywhere, and the second chamber can also be realized to a certain extent. Heat dissipation of electronic device 30 in 202 .

In addition, in the second chamber 202 of the present invention, no airflow driving structure such as a fan may be provided, so that the electronic device 30 in the second chamber 202 will operate under the noise of the bottom, effectively reducing the noise of the frequency conversion cabinet 100, and It can avoid the introduction of external high-humidity air, dust-laden airflow, etc. into the second chamber 202, so as to prolong the service life of the electronic device 30 in the second chamber 202; of course, the second chamber 202 can also be provided with an airflow driving structure such as a fan In this way, sufficient heat exchange of the electronic device 30 in the second chamber 202 can be achieved, the temperature environment of the electronic device 30 in the second chamber 202 can be maintained, and the operation stability and service life of the electronic device 30 in the second chamber 202 can be improved.

The first cavity 201 in the utility model can be set as a heat dissipation channel in the form of a straight line, a curve, or a broken line, and the first heat sink 2011 is used to take away the heat through the driving action of the airflow driver 22, for example, to dissipate heat. The airflow can enter from one end of the first cavity 201 and flow out from the second end of the first cavity 201. Of course, at this time, it may have an adverse effect on the surrounding environment, and also cause the dust-laden airflow in the external environment to enter. into the first cavity 201, affecting the operating environment in the first cavity 201.

In addition, the utility model is provided with a first radiator 2011 to take away the heat in the first cavity 201, and when the heat dissipation air flow in the first cavity 201 circulates, the first radiator 2011 can be used to take away the heat in the second cavity 202. The heat of the electronic device 30 . Therefore, in order to reduce the impact on the surrounding environment during the heat dissipation process in the present utility model, the first cavity 201 can be configured as an annular cavity, and the airflow in the first cavity 201 is suitable for circulating under the driving action of the airflow driving member 22 to dissipate heat . Through the circulation of the air flow, the temperature in the first cavity 201 can be effectively reduced, heat dissipation of the electronic device 30 in the first cavity 201 can be realized, and a better temperature environment can be provided for the operation of the electronic device 30 in the first cavity 201, and at the same time The influence of the heat in the first chamber 201 on the surrounding environment can be reduced, especially the influence of the heat in the first chamber 201 on the electronic device 30 in the second chamber 202 can be reduced, and the stability of the entire frequency conversion cabinet 100 can be improved. In addition, the first heat sink 2011 also has a condensation function, and the first heat sink 2011 can be used to adjust the humidity in the first cavity 201 and optimize the humidity environment of the electronic device 30 in the first cavity 201 .

The first chamber 201 in the utility model can be set as a circular cavity, an elliptical ring, a polygonal ring or other irregularly shaped ring cavity. The first cavity 201 of a specific embodiment of the utility model will be described below with reference to the accompanying drawings.

In some embodiments, please refer to FIG. 2 , further comprising: a door body 18 connected to the cabinet body 10 and configured to open and close the accommodating cavity 20 , wherein the door body 18 is provided with an electronic device 30 .

In this way, referring to the above, the setting of the door body 18 is convenient for opening and closing the accommodating chamber 20 .

Specifically, a door body 18 can be installed on the cabinet body 10 , and the cabinet body 10 can be opened and closed through the door body 18 . Specifically, in some embodiments, the door body 18 can be used to open and close the second chamber 202. When the door body 18 is opened, the second chamber 202 is opened, which can facilitate the access to the electronic device 30 in the second chamber 202. Installation and enclosure, and it is convenient to check the operating status of the frequency conversion cabinet 100 through the electronic device 30 in the second cavity 202, and at this time, the first cavity 201 is in a closed state, which will not affect the space in the second cavity 202, In the second chamber 202, it can be maintained in an environment with low humidity and less dust, and its heat dissipation effect and operation stability are relatively high; when the door body 18 is closed, the second chamber 202 is closed, and at this time, A relatively closed environment will be formed in the second chamber 202. At this time, under the action of natural convection or other methods, the temperature in the second chamber 202 can be relatively uniform everywhere, and the second chamber can also be realized to a certain extent. Heat dissipation of electronic device 30 in 202 .

In some embodiments, the door body 18 is provided with at least one of a communication module, a display module, a low voltage control module and an emergency stop button.

In this way, the setting of at least one of the communication module, the display module, the low-voltage control module and the emergency stop button can realize the function of the corresponding module.

Specifically, the door body 18 is provided with at least one of a communication module, a display module, a low-voltage control module, and an emergency stop button. On the one hand, the structure of the frequency conversion cabinet 100 is made compact; Realize the corresponding function.

The HVAC equipment provided by the embodiment of the utility model includes: the frequency conversion cabinet 100 and the air conditioning unit in any of the above embodiments, and the air conditioning unit is connected to the frequency conversion cabinet 100 .

For the above-mentioned HVAC equipment, the first connection port 401 and the second connection port 402 of the junction box 40 are spaced apart, and both are suitable for cables to be connected to the junction box 40 .

Specifically, for the HVAC equipment including the frequency conversion cabinet 100 in any of the above-mentioned embodiments, the first connection port 401 and the second connection port 402 of the junction box 40 in the frequency conversion cabinet 100 are arranged at intervals, and are suitable for cable connection. Into the junction box 40, the layout of the wiring position is reasonable, which improves the flexibility of the customer's wiring.

In some embodiments, the unit control board of the air-conditioning unit is integrated on the frequency conversion cabinet 100, and the unit control board and the air-conditioning unit transmit signals.

In this way, the control board of the unit is integrated into the HVAC equipment of the frequency conversion cabinet 100, which has a compact structure and improves the power density.

Specifically, the unit control board of the air-conditioning unit is integrated on the frequency conversion cabinet 100, and the unit control board and the air-conditioning unit transmit signals. The control board of the unit is integrated in the frequency conversion cabinet 100 HVAC equipment, which has a compact structure and improves the power density.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (13)

1. A frequency conversion cabinet, characterized in that, comprising: A cabinet body, the cabinet body is provided with an accommodating cavity, and the accommodating cavity is configured to accommodate electronic devices; A junction box, the junction box is arranged outside the cabinet, the junction box is provided with a first junction opening and a second junction opening, the first junction opening and the second junction opening are arranged at intervals, and Both are suitable for cables entering the junction box. 2. The frequency conversion cabinet according to claim 1, wherein the first connection port and the second connection port are respectively located on different sides of the junction box. 3 . The frequency conversion cabinet according to claim 2 , wherein the junction box includes a first junction box disposed on the left or right side of the cabinet, and the first junction box is used for power input. 4 . 4. The frequency conversion cabinet according to claim 3, characterized in that, the frequency conversion cabinet further comprises a first input row and a second input row, and both the first input row and the second input row extend into the In the first junction box, and the first input row and the second input row are arranged at intervals in the first junction box along the vertical direction, the first input row and the second input row row is suitable for independently connecting the power supply, In the first junction box, the first junction opening is vertically opposite to the first input row, and the second junction opening is vertically opposite to the second input row. 5 . The frequency conversion cabinet according to claim 2 , wherein the junction box further comprises a second junction box arranged on the back of the cabinet, and the second junction box is used for power output. 6. The frequency conversion cabinet according to claim 5, characterized in that, the frequency conversion cabinet further comprises a third input row, and the third input row extends into the second junction box, In the second junction box, the first junction opening is vertically opposite to the third input row, and the second junction opening is opposite to the third input row front and rear. 7. The frequency conversion cabinet according to any one of claims 1-6, wherein the junction box includes a plurality of, Wherein, multiple junction boxes are arranged on the same side of the cabinet; or at least two of the plurality of junction boxes are arranged on different sides of the cabinet. 8. The frequency conversion cabinet according to any one of claims 1-6, characterized in that at least one of the first wiring port and the second wiring port is provided with a sealing ring, and the sealing ring The wiring opening is closed, and an opening is provided on the sealing ring, so as to be suitable for the passage of cables and sealingly cooperate with the cables. 9. The frequency conversion cabinet according to any one of claims 1-6, wherein the accommodating cavity includes a first cavity and a second cavity, and the frequency conversion cabinet further comprises: a first radiator, disposed in the first cavity, configured to reduce the temperature in the first cavity by air cooling; The second heat sink is configured to dissipate heat for the electronic devices in the second cavity through heat conduction; The airflow driver is configured to form a cooling airflow in the first cavity to flow through the electronic device in the first cavity and the first radiator. 10. The frequency conversion cabinet according to any one of claims 1-6, further comprising: a door body, the door body is connected to the cabinet body and is configured to open and close the accommodating cavity, Wherein, electronic devices are arranged on the door body. 11. The frequency conversion cabinet according to claim 10, wherein at least one of a communication module, a display module, a low-voltage control module and an emergency stop button is provided on the door body. 12. A heating and ventilation equipment, characterized in that it comprises: The frequency conversion cabinet according to any one of claims 1-11; An air-conditioning unit, the air-conditioning unit is connected with the frequency conversion cabinet. 13. The HVAC equipment according to claim 12, wherein the unit control board of the air-conditioning unit is integrated on the frequency conversion cabinet, and the unit control board and the air-conditioning unit transmit signals.

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