CN219068073U - Variable frequency cabinet and heating and ventilation equipment - Google Patents

Abstract

The utility model discloses a frequency conversion cabinet and heating and ventilation equipment, wherein the frequency conversion cabinet comprises: the electronic device comprises a cabinet body, wherein the cabinet body is provided with a containing cavity, and the containing cavity is configured to contain the electronic device; the terminal box, the terminal box is located the outside of the cabinet body, the terminal box is equipped with first wiring mouth and second wiring mouth, first wiring mouth with the second wiring mouth is spaced apart to be arranged, and all is suitable for the cable to insert the terminal box. Above-mentioned frequency conversion cabinet, the first wiring mouth and the second wiring mouth of terminal box are spaced apart to all be suitable for the cable to insert the terminal box, wiring position is rationally distributed, has improved the flexibility ratio of customer wiring.

Description

Variable frequency cabinet and heating and ventilation 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

The variable frequency cabinet control cabinet, which is called variable frequency cabinet for short, can be widely applied to various medium-voltage motor equipment such as pumps, fans, compressors, rolling mills, injection molding machines, belt conveyors and the like in metallurgy, chemical industry, petroleum, water supply, mines, building materials, motor industry and the like.

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

Disclosure of Invention

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

The frequency conversion cabinet that this embodiment provided includes:

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

the terminal box, the terminal box is located the outside of the cabinet body, the terminal box is equipped with first wiring mouth and second wiring mouth, first wiring mouth with the second wiring mouth is spaced apart to be arranged, and all is suitable for the cable to insert the terminal box.

Above-mentioned frequency conversion cabinet, the first wiring mouth and the second wiring mouth of terminal box are spaced apart to all be suitable for the cable to insert the terminal box, wiring position is rationally distributed, has improved the flexibility ratio of customer wiring.

In certain embodiments, the first and second ports are located on different sides of the junction box, respectively.

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

In some embodiments, the variable frequency cabinet further comprises a first input row and a second input row, wherein the first input row and the second input row extend into the first junction box, the parts of the first input row and the second input row in the first junction box are arranged at intervals along the up-down direction, the first input row and the second input row are suitable for independently connecting a power supply,

in the first junction box, the first junction port is vertically opposite to the first input row, and the second junction port is vertically opposite to the second input row.

In some embodiments, the junction box further comprises a second junction box disposed on the back of the cabinet, the second junction box being for power output.

In some embodiments, the variable frequency cabinet further comprises a third input row, the third input row extending into the second junction box,

in the second junction box, the first junction port is vertically opposite to the third input row, and the second junction port is vertically opposite to the third input row.

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

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

In some embodiments, a sealing ring is arranged at least one of the first wiring port and the second wiring port, the sealing ring seals the wiring port, and an opening is arranged on the sealing ring so as to be suitable for the cable to pass in and be matched with the cable in a sealing way.

In certain embodiments, the receiving cavity comprises a first cavity and a second cavity, and the variable frequency cabinet further comprises:

the first radiator is arranged in the first cavity and is configured to reduce the temperature in the first cavity in an air cooling mode;

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

and an airflow driving member configured to form a heat radiation airflow flowing through the electronic device in the first cavity and the first heat sink in the first cavity.

In certain embodiments, further comprising:

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

wherein, be equipped with electronic device on the door body.

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

The heating and ventilation equipment provided by the embodiment of the utility model comprises:

the variable frequency cabinet in any of the above embodiments;

and the air conditioning unit is connected with the variable frequency cabinet.

In some embodiments, a unit control board of the air conditioning unit is integrated on the variable frequency cabinet, and the unit control board is in signal transmission with the air conditioning unit.

Above-mentioned heating and ventilation equipment, the first wiring mouth and the second wiring mouth of terminal box are spaced apart to all be suitable for the cable access the terminal box, wiring position is rationally distributed, has improved the flexibility ratio of customer wiring.

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

Fig. 1 is a schematic view of a variable frequency cabinet according to an embodiment of the utility model, wherein a door is closed.

Fig. 2 is a schematic view of a variable frequency cabinet according to an embodiment of the utility model, wherein the door is open.

Fig. 3 is a schematic diagram of a variable frequency cabinet according to one embodiment of the utility model.

Fig. 4 is a schematic diagram of a variable frequency cabinet according to one embodiment of the utility model.

Fig. 5 is a schematic diagram of a variable frequency cabinet according to one embodiment of the utility model.

Reference numerals: the variable frequency cabinet 100, the cabinet body 10, the opening 12, the back plate 14, the side plate 16, the door body 18, the first mounting plate 101, the second mounting plate 102, the third mounting plate 103, the fourth mounting plate 104, the accommodating chamber 20, the first chamber 201, the first heat radiator 2011, the second chamber 202, the second heat radiator 2021, the air flow driving piece 22, the electronic device 30, the junction box 40, the first junction box 41, the second junction box 42, the first junction port 401, the second junction port 402, the first input row 51, and the second input row 52.

Detailed Description

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

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", 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 referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. 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 "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The disclosure herein provides many different embodiments or examples for implementing different structures of the utility model. To simplify the present disclosure, components and arrangements of specific examples are described herein. 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, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements 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 application of other processes and/or the use of other materials.

Referring to fig. 1 to 5, a variable frequency cabinet 100 provided in this embodiment includes: a cabinet body 10 and a junction box 40, wherein the cabinet body 10 is provided with a containing cavity 20, and the containing cavity 20 is configured to contain an electronic device 30; the junction box 40 is provided outside the cabinet 10, and 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 being arranged at a distance from each other and being adapted for cable access to the junction box 40.

The frequency conversion cabinet 100 has the advantages that the first wiring port 401 and the second wiring port 402 of the wiring box 40 are arranged at intervals, the frequency conversion cabinet is suitable for the cable to be connected into the wiring box 40, the wiring position layout is reasonable, and the flexibility of wiring of customers is improved.

Specifically, referring to fig. 2-4, the front side of the accommodating cavity 20 in the cabinet 10 has an opening 12, the rear side has a back plate 14, the opening 12 of the cabinet 10 is shown in the front-rear direction of the cabinet 10, one side of the opening 12 of the cabinet 10 is shown in the left-right direction of the cabinet 10 along the short side direction, and one side of the opening 12 of the cabinet 10 is shown in the up-down direction of the cabinet 10 along the long side direction. The accommodating chamber 20 provided in the cabinet 10 is used for accommodating the electronic device 30, and the front side of the accommodating chamber 20 is provided with an opening 12 for facilitating the installation and maintenance of the electronic device 30. The back side of the cabinet 10 is provided with a back plate 14, and the side edge is provided with a side plate 16. The junction box 40 is located on the exterior of the cabinet 10. 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. Thus, the junction box 40 is reasonable in layout, convenient for the installation of clients, and improves the flexibility of the connection of the clients. In addition, 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 being arranged spaced apart and each being adapted for cable access to the junction box 40. In some embodiments, the first and second ports 401, 402 are located on opposite sides of the junction box 40, wherein the first port 401 may be located on an upper side of the junction box 40 and the second port 402 may be located on a lower side of the junction box 40.

The electronics 30 in the housing cavity 20 may include electronics 30 housed in the housing cavity 20 may include an electronic control board, a 2G module, a display screen, an emergency stop button, a control board, a guide vane fan board, a control board, a wiring terminal, an intelligent telegram, a transformer, a circuit breaker, a 24V power board, a drive board, a control board, a 380V power board, an APF, a filter board, an absorption resistor, a capacitor, an IGBT, a transformer, a buffer resistor, a fan, an evaporator, a reactor, a transformer, a diode. The electronics 30 may include, among other things, absorption resistors, capacitors, IGBTs, transformers, snubber resistors, fans, evaporators, reactors, transformers, diodes. The electronics 30 may include an electronic control board, a 2G module, a display screen, a scram button, a control board, a guide vane fan board, a control board, a wiring terminal, a smart telegram, a transformer, a circuit breaker, a 24V power board, a drive board, a control board, a 380V power board, an APF, a filter board.

In some embodiments, the electronic devices 30 are layered in the front-to-back direction, with a distinct hierarchy, which may be achieved by mounting the electronic devices 30 on a plurality of mounting boards that are layered in the front-to-back direction within the cabinet 10. Referring to fig. 3, in the present embodiment, a plurality of mounting plates are provided in the cabinet 10, a first mounting plate 101, a second mounting plate 102, a third mounting plate 103, and a fourth mounting plate 104 are laminated on the front side of the back plate 14, respectively, and gaps are provided between the first mounting plate 101, the second mounting plate 102, the third mounting plate 103, and the fourth mounting plate 104 and the back plate 14. The electronic components 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 such that the electronic components 30 are layered in the front-rear direction with a clear hierarchy.

In some embodiments, referring to fig. 1 and 3, the first and second ports 401 and 402 are located on different sides of the junction box 40, respectively.

Thus, the two wiring ports are positioned on different sides of the junction box 40, wiring layout is reasonable, and flexibility of wiring of customers is improved.

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

In certain embodiments, referring to fig. 1 and 2, the junction box 40 includes a first junction box 4140 disposed on the left or right side of the cabinet 10, the first junction box 4140 being used for power input.

Thus, the first junction box 4140 for power input is arranged on the left side or the right side of the cabinet body 10, the layout is reasonable, and the flexibility of wiring of customers is improved.

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

In some embodiments, referring to fig. 5, the variable frequency cabinet 100 further includes a first input row 51 and a second input row 52, where the first input row 51 and the second input row 52 extend into the first junction box 4140, and a portion of the first input row 51 and the second input row 52 in the first junction box 4140 are spaced apart in an up-down direction, and the first input row 51 and the second input row 52 are adapted to be independently connected to a power source, and in the first junction box 4140, the first junction port 401 is opposite to the first input row 51 from top to bottom, and the second junction port 402 is opposite to the second input row 52 from top to bottom.

As such, the first input row 51 and the second input row 52 each extend into the first junction box 4140 to connect with the electronic device 30.

Specifically, the metal row includes a first input row 51 and a second input row 52, the first input row 51 being located above the cabinet 10 and the second input row 52 being located below the cabinet 10. The first input row 51 may include three copper bars arranged at intervals, and the second input row 52 may also include three copper bars arranged at intervals. The first input row 51 and the second input row 52 extend into the first junction box 4140, and the portions of the first input row 51 and the second input row 52 in the first junction box 4140 are spaced apart, that is, spaced apart from each other by a plurality of copper bars, so as to facilitate connection of the electronic device 30. The first input bank 51 and the second input bank 52 are adapted to be independently connected to a power source, the first junction box 4140 is configured for power input, and the second junction box 4240 may 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, so that the layout is reasonable.

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

In this way, the second junction box 4240 provided on the rear surface of the cabinet 10 can be used for power output.

Specifically, the second junction box 4240 is disposed on the back of the cabinet 10, and in some embodiments, the second junction box 4240 is located on the back side adjacent to the side on which the first junction box 4140 is located. Therefore, the wiring position layout is reasonable, and the flexibility of wiring of clients is improved.

In some embodiments, the variable frequency cabinet 100 further includes a third input row extending into the second junction box 4240, wherein in the second junction box 4240, the first junction port 401 is vertically opposite the third input row, and the second junction port 402 is vertically opposite the third input row.

As such, the third input row extends into the second junction box 4240 to connect with the electronics 30 within the second junction box 4240.

Specifically, the variable frequency cabinet 100 further includes a third input row, which extends into the second junction box 4240, and may include three copper bars arranged at intervals, as the first input row 51 or the second input row 52.

In certain embodiments, the junction box 40 comprises a plurality, wherein the plurality of junction boxes 40 are disposed on the same side of the cabinet 10; or at least two of the plurality of terminal blocks 40 are provided on different sides of the cabinet 10.

In this way, the plurality of junction boxes 40 are reasonably arranged on the cabinet 10, improving the flexibility of customer wiring.

In particular, referring to fig. 1 and 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 and the second junction box 4240 is located on the rear side of the cabinet 10.

In some embodiments, a sealing ring is provided at least one of the first and second ports 401, 402, the sealing ring closing the port, and an opening 12 is provided on the sealing ring to accommodate and sealingly engage the cable.

Thus, the sealing ring arranged at the junction port seals the junction port, so that the junction box 40 can be sealed, and the electronic device 30 in the junction box 40 is protected.

Specifically, in some embodiments, the first and second connection ports 401 and 402 are disposed at upper and lower sides of the junction box 40, respectively, and the first and second connection ports 401 and 402 are provided with sealing rings, which can seal the first and second connection ports 401 and 402.

In some embodiments, referring to fig. 1 and 4, the accommodating cavity 20 includes a first cavity 201 and a second cavity 202, and the variable frequency cabinet 100 further includes: a first heat sink 2011, a second heat sink 2021, and an airflow driver 22, wherein the first heat sink 2011 is disposed within the first cavity 201 and configured to reduce a temperature within the first cavity 201 by way of air cooling; the second heat sink 2021 is configured to thermally conductively dissipate heat from the electronic device 30 within the second cavity 202; the airflow driver 22 is configured to form a heat dissipation airflow within the first cavity 201 that flows through the electronic device 30 within the first cavity 201 and the first heat sink 2011.

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

Specifically, the first radiator 2011 may be disposed in the first cavity 201, the first radiator 2011 may provide cold energy, when the heat in the first cavity 201 is reduced by air cooling, the first radiator 2011 may take away the heat in the air and timely radiate the air flow, so that the air flow better radiates heat with the electronic device 30 in the first cavity 201, and the air cooling effect in the first cavity 201 is effectively improved. The heat exchange between the first radiator 2011 and the electronic device 30 in the first cavity 201 is realized through air flow, and the temperature in the first cavity 201 is reduced through air cooling.

To facilitate airflow within the first cavity 201, the cabinet 10 may further include an airflow driver 22, where the airflow driver 22 may be configured to drive airflow within the first cavity 201 to form a heat dissipating airflow, which may be configured to flow through the electronics 30 within the first cavity 201 and the first heat sink 2011. When the air flow flows through the first radiator 2011, heat in the air flow can be exchanged to the first radiator 2011 to reduce the temperature of the air flow, and cold of the first radiator 2011 can be absorbed for radiating the first cavity 201; when the air flows through the electronic device 30 in the first cavity 201, the cold energy in the air flow can be exchanged to the electronic device 30 in the first cavity 201, and the heat of the electronic device 30 in the first cavity 201 is taken away, so that the heat dissipation of the electronic device 30 in the first cavity 201 is realized. That is, heat of the electronic device 30 in the first cavity 201 is transferred to the first heat sink 2011, and heat dissipation of the electronic device 30 in the first cavity 201 is achieved.

In addition, the accommodating cavity 20 may further include a second cavity 202, and a heat dissipation manner of the electronic device 30 in the second cavity 202 may be different from a heat dissipation manner of the electronic device 30 in the first cavity 201. For example, a second heat sink 2021 may be provided corresponding to the second cavity 202, and the second heat sink 2021 may be configured to dissipate heat by thermal conduction to the electronic device 30 within the second cavity 202. Thereby effecting heat dissipation from the electronic device 30 within the second cavity 202. Through heat conduction, the heat radiation efficiency and effect can be improved, and the electronic device 30 with higher working temperature can be rapidly radiated.

According to the frequency conversion cabinet 100 provided by the embodiment of the utility model, the first cavity 201 and the second cavity 202 are arranged, the first cavity 201 can exchange heat in an air cooling mode, and the temperature in the first cavity 201 is set by using the first radiator 2011, so that the temperature of the electronic device 30 in the first cavity 201 is set; and the second heat sink 2021 can be used to reduce the temperature of the electronic devices 30 in the second cavity 202, and dissipate heat in different manners, so that different types of electronic devices 30 can be dissipated in a targeted manner, heat conduction between different electronic devices 30 can be reduced, and stability of operation of each electronic device 30 can be improved, meanwhile, interference between different electronic devices 30 can be reduced, stability of the frequency conversion cabinet 100 can be improved, and failure rate can be reduced through isolation of the first cavity 201 and the second cavity 202.

In some embodiments of the present utility model, the first cavity 201 is a closed cavity, which forms a closed flow channel in the cabinet 10, and the combination of the airflow driving member 22 and the first heat sink 2011 may be used to dissipate heat from the electronic device 30 in the first cavity 201. While the second chamber 202 may be provided in an open form, for example, a space outside the first chamber 201 in the cabinet 10 is provided as the second chamber 202, and at this time, since the second chamber 202 is an open space, the installation and maintenance of the electronic device 30 in the second chamber 202 can be facilitated. In addition, a door 18 may be installed on the cabinet 10, and the cabinet 10 may be opened and closed by the door 18. Specifically, in some embodiments, the door 18 may be used to open and close the second cavity 202, when the door 18 is opened, the second cavity 202 is opened, so that the installation and enclosure of the electronic device 30 in the second cavity 202 can be facilitated, and the operation state of the variable frequency cabinet 100 can be checked by the electronic device 30 in the second cavity 202, at this time, the first cavity 201 is in a closed state, so that the space in the second cavity 202 is not affected, the second cavity 202 can be maintained in an environment with low humidity and less dust, and the heat dissipation effect, the operation stability and the like of the second cavity 202 are relatively high; when the door 18 is closed, the second cavity 202 is closed, and a relatively closed environment is formed in the second cavity 202, so that the temperature of each place in the second cavity 202 can be relatively uniform under the action of natural convection or other modes, and heat dissipation of the electronic device 30 in the second cavity 202 can be realized to a certain extent.

In addition, in the present utility model, the second cavity 202 may not be provided with an air flow driving structure such as a fan, so that the electronic device 30 in the second cavity 202 will operate under the noise of the intersection, so that the noise of the frequency conversion cabinet 100 is effectively reduced, and the introduction of external high humidity air, dust-containing air flow, etc. into the second cavity 202 can be avoided, so as to prolong the service life of the electronic device 30 in the second cavity 202; of course, an air flow driving structure such as a fan may be disposed in the second cavity 202, so that sufficient heat exchange of the electronic device 30 in the second cavity 202 may be achieved, the temperature environment of the electronic device 30 in the second cavity 202 may be maintained, and the operation stability and service life of the electronic device 30 in the second cavity 202 may be improved.

The first cavity 201 in the present utility model may be configured as a linear, curved, or folded heat dissipation channel, and the heat dissipation device may take heat away by using the first heat sink 2011 under the driving action of the airflow driving member 22, for example, the heat dissipation airflow may flow in from one end of the first cavity 201 and flow out from the second end of the first cavity 201, which may adversely affect the surrounding environment, and may cause dust-containing airflow in the external environment to enter the first cavity 201 to affect the operation environment in the first cavity 201.

In addition, in the present utility model, the first heat sink 2011 is provided to remove heat in the first cavity 201, and when the heat dissipation airflow in the first cavity 201 circulates, the first heat sink 2011 can be used to remove heat of the electronic device 30 in the second cavity 202. Therefore, in order to reduce the influence on the surrounding environment during the heat dissipation process, the first cavity 201 may be configured as an annular cavity, and the air flow in the first cavity 201 is adapted to circulate to dissipate heat under the driving action of the air flow driving member 22. Through the circulation of the air flow, the temperature in the first cavity 201 can be effectively reduced, the heat dissipation of the electronic device 30 in the first cavity 201 is realized, a better temperature environment is provided for the operation of the electronic device 30 in the first cavity 201, meanwhile, the influence of the heat in the first cavity 201 on the surrounding environment can be reduced, particularly, the influence of the heat in the first cavity 201 on the electronic device 30 in the second cavity 202 can be reduced, and the stability of the whole frequency conversion cabinet 100 is improved. In addition, the first heat sink 2011 also has a condensation function, so that the humidity in the first cavity 201 can be adjusted by using the first heat sink 2011, and the humidity environment of the electronic device 30 in the first cavity 201 can be optimized.

The first chamber 201 of the present utility model may be provided as a circular ring-shaped, elliptical ring-shaped, polygonal ring-shaped or other irregularly shaped annular chamber, and the first chamber 201 of one embodiment of the present utility model will be described with reference to the accompanying drawings.

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

Thus, with reference to the above, the door 18 is provided to facilitate opening and closing of the accommodating chamber 20.

Specifically, the cabinet 10 may be provided with a door 18, and the cabinet 10 may be opened and closed by the door 18. Specifically, in some embodiments, the door 18 may be used to open and close the second cavity 202, when the door 18 is opened, the second cavity 202 is opened, so that the installation and enclosure of the electronic device 30 in the second cavity 202 can be facilitated, and the operation state of the variable frequency cabinet 100 can be checked by the electronic device 30 in the second cavity 202, at this time, the first cavity 201 is in a closed state, so that the space in the second cavity 202 is not affected, the second cavity 202 can be maintained in an environment with low humidity and less dust, and the heat dissipation effect, the operation stability and the like of the second cavity 202 are relatively high; when the door 18 is closed, the second cavity 202 is closed, and a relatively closed environment is formed in the second cavity 202, so that the temperature of each place in the second cavity 202 can be relatively uniform under the action of natural convection or other modes, and heat dissipation of the electronic device 30 in the second cavity 202 can be realized to a certain extent.

In some embodiments, door 18 is provided with at least one of a communication module, a display module, a low voltage control module, and a scram button.

Thus, the function of the corresponding module can be realized by setting at least one of the communication module, the display module, the low-voltage control module and the emergency stop button.

Specifically, at least one of a communication module, a display module, a low-voltage control module and an emergency stop button is arranged on the door body 18, so that the frequency conversion cabinet 100 is compact in structure on one hand, and the corresponding functions can be realized by the modules arranged on the door body 18 on the other hand.

The heating and ventilation equipment provided by the embodiment of the utility model comprises: the variable frequency cabinet 100 and the air conditioning unit in any of the above embodiments are connected to the variable frequency cabinet 100.

The first wiring port 401 and the second wiring port 402 of the junction box 40 are arranged at intervals, and are suitable for the cable to be connected into the junction box 40, so that the wiring position layout is reasonable, and the flexibility of wiring of customers is improved.

Specifically, the heating and ventilation equipment comprising the frequency conversion cabinet 100 in any embodiment of the present utility model, 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 the cable to be connected into the junction box 40, so that the layout of the connection positions is reasonable, and the flexibility of customer connection is improved.

In some embodiments, the unit control board of the air conditioning unit is integrated on the variable frequency cabinet 100, and the unit control board is in signal communication with the air conditioning unit.

Thus, the unit control board is integrated in the heating and ventilation equipment of the frequency conversion cabinet 100, the structure is compact, and the power density is improved.

Specifically, a unit control board of the air conditioning unit is integrated on the variable frequency cabinet 100, and the unit control board is in signal transmission with the air conditioning unit. The unit control board is integrated in the heating and ventilation equipment of the frequency conversion cabinet 100, so that the structure is compact, and the power density is improved.

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 above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (13)

1. A variable frequency cabinet, characterized by comprising:

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

the terminal box, the terminal box is located the outside of the cabinet body, the terminal box is equipped with first wiring mouth and second wiring mouth, first wiring mouth with the second wiring mouth is spaced apart to be arranged, and all is suitable for the cable to insert the terminal box.

2. The variable frequency cabinet of claim 1, wherein the first and second wiring ports are located on different sides of the junction box, respectively.

3. The variable frequency cabinet of claim 2, wherein the junction box comprises a first junction box disposed on a left or right side of the cabinet body, the first junction box being for power input.

4. The variable frequency cabinet of claim 3, further comprising a first input row and a second input row, each of the first input row and the second input row extending into the first junction box, and portions of the first input row and the second input row within the first junction box being spaced apart in an up-down direction, the first input row and the second input row being adapted to be independently connected to a power source,

in the first junction box, the first junction port is vertically opposite to the first input row, and the second junction port is vertically opposite to the second input row.

5. The variable frequency cabinet of claim 2, wherein the junction box further comprises a second junction box disposed on a back side of the cabinet body, the second junction box being for power output.

6. The variable frequency cabinet of claim 5, further comprising a third input row, the third input row extending into the second junction box,

in the second junction box, the first junction port is vertically opposite to the third input row, and the second junction port is vertically opposite to the third input row.

7. The variable frequency cabinet of any one of claims 1-6, wherein the junction box comprises a plurality of,

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

8. The variable frequency cabinet of any one of claims 1-6, wherein a sealing ring is provided at least one of the first and second wiring ports, the sealing ring closing the wiring port, and an opening is provided on the sealing ring for cable entry and sealing engagement therewith.

9. The variable frequency cabinet of any one of claims 1-6, wherein the receiving cavity comprises a first cavity and a second cavity, the variable frequency cabinet further comprising:

the first radiator is arranged in the first cavity and is configured to reduce the temperature in the first cavity in an air cooling mode;

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

and an airflow driving member configured to form a heat radiation airflow flowing through the electronic device in the first cavity and the first heat sink in the first cavity.

10. The variable frequency cabinet of any one of claims 1-6, further comprising:

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

wherein, be equipped with electronic device on the door body.

11. The variable frequency cabinet of claim 10, wherein the door body is provided with at least one of a communication module, a display module, a low voltage control module, and a scram button.

12. A heating ventilation apparatus, comprising:

the variable frequency cabinet of any one of claims 1-11;

and the air conditioning unit is connected with the variable frequency cabinet.

13. The heating ventilation apparatus of claim 12, wherein a unit control board of the air conditioning unit is integrated on the variable frequency cabinet, and the unit control board is in signal communication with the air conditioning unit.

Images