CN218163352U - Electric control box and pipeline machine - Google Patents

Abstract

The application relates to the technical field of air conditioner heat dissipation, and discloses an electric cabinet, include: the box, inflation board and refrigerant heating panel. The box body is internally provided with an installation space for installing electrical elements, and the outer wall of the box body is provided with radiating fins; the blowing plate is arranged on the upper end face of the box body, and a plurality of airflow channels communicated with the external environment are formed in the blowing plate; the refrigerant heating panel inlays the outer wall of locating the box, and the heat-absorbing surface of refrigerant heating panel is towards the installation space. In this application, can improve the radiating efficiency of electric cabinet when guaranteeing the electric cabinet leakproofness, keep the operating stability of the electric elements of installation in the electric cabinet. The application also discloses a pipe machine.

Description

Electric control box and pipeline machine

Technical Field

The application relates to the technical field of air conditioner heat dissipation, in particular to an electric cabinet and a pipeline machine.

Background

At present, automatically controlled box adopts air-cooled heat dissipation and refrigerant formula radiating mode, fresh air inlet and louvre need all be seted up at the bottom and the top of automatically controlled box to these two kinds of modes, utilize the mode of air convection to carry out the heat dissipation of the inside electrical part of box, this kind of box radiating mode has the bad and relatively poor problem of leakproofness of heat dissipation, fresh air inlet and louvre seted up at the box bounding wall simultaneously all have the problem of into steam, foreign matter and toy, can lead finally that the electrical part is dirty, stifled, hidden danger such as short circuit fire.

In the related art, an electrical box structure exists, which is characterized by comprising an electrical box body, an upper cover plate, a lower cover plate and a box cover, wherein the electrical box body is of an integrally formed U-shaped structure; the upper cover plate and the lower cover plate are sealed at openings on two sides of the box body of the electrical box; the box cover is covered at an opening at the front side of the box body of the electrical box, and fins are arranged at the bottom of the lower cover plate.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

when guarantee electrical apparatus box leakproofness, can lead to electrical apparatus box's radiating efficiency relatively poor, the unable timely discharge of heat in the electrical apparatus box causes the components and parts in the electrical apparatus box to become invalid because of high temperature or the scheduling problem appears on fire.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides an electric cabinet and a pipeline machine, which can improve the heat dissipation efficiency of the electric cabinet and keep the operation stability of electric elements installed in the electric cabinet while ensuring the tightness of the electric cabinet.

In some embodiments, an electrical cabinet, comprising: the box, inflation board and refrigerant heating panel. The box body is internally provided with an installation space for installing electrical elements, and the outer wall of the box body is provided with radiating fins; the blowing plate is arranged on the upper end face of the box body, and a plurality of airflow channels communicated with the external environment are formed in the blowing plate; the refrigerant heating panel inlays the outer wall of locating the box, and the heat absorption face of refrigerant heating panel is towards installation space.

In some embodiments, the pipe machine comprises the electric cabinet of the above embodiments.

The electric cabinet and the pipeline machine provided by the embodiment of the disclosure can realize the following technical effects:

set up radiating fin at the outer wall of box, the upper end of box sets up the inflation board, be equipped with a plurality of airflow channel in the inflation board, the air current in the external environment can fully contact the heat transfer with radiating fin when flowing through the box, improve the heat transfer area of box outer wall, because the heat in the installation space rises naturally, gather in the up end department of box, the air current of external environment can pass the airflow channel in the inflation board, with the inflation board heat transfer, thereby cool down the heat dissipation to the up end of box, utilize the refrigerant heating panel of establishing at the box outer wall in the embedding, absorb the heat in the installation space through the refrigerant heating panel, further improve the radiating effect, thereby in the guarantee electric cabinet leakproofness, improve the radiating efficiency of electric cabinet, keep the operating stability of the electric elements of installation in the electric cabinet, thereby improve the operating stability of pipe machine.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is an exploded schematic view of an electric cabinet provided in an embodiment of the present disclosure;

FIG. 2 is an enlarged schematic view of section A of FIG. 1 in accordance with an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of an inflation panel and top panel provided by embodiments of the present disclosure;

FIG. 4 is a schematic structural diagram of a base plate provided by an embodiment of the present disclosure;

FIG. 5 is an assembly schematic of the shroud, cover plate and top plate provided by embodiments of the present disclosure;

fig. 6 is a schematic view illustrating an installation of a refrigerant heat dissipation plate according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a refrigerant heat dissipation plate according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a pipe machine provided in an embodiment of the present disclosure;

FIG. 9 is an exploded schematic view of a blower provided by embodiments of the present disclosure;

FIG. 10 is an exploded schematic view of a volute provided by embodiments of the present disclosure;

FIG. 11 is a schematic view of an assembly of a inducer and a volute provided by an embodiment of the disclosure;

FIG. 12 is a schematic view of an access panel provided by an embodiment of the present disclosure;

FIG. 13 is a schematic illustration of the placement of a mounting flange provided by an embodiment of the present disclosure;

fig. 14 is a schematic view of the arrangement position of the mounting plate provided by the embodiment of the disclosure.

Reference numerals:

100. a box body; 101. an installation space; 102. a heat dissipating fin; 110. enclosing plates; 120. a top plate; 121. installing a clamping groove; 122. a coupling groove; 130. a base plate; 131. a wiring hole; 132. sealing the rubber plug; 140. a cover plate; 200. a blow-up plate; 201. an air flow channel; 210. a heat conducting plate; 220. an S-shaped folded plate; 300. a refrigerant heat dissipation plate; 310. a refrigerant evaporating coil; 311. a refrigerant inlet; 312. a refrigerant outlet; 400. a housing; 410. a fan cavity; 420. an air outlet cavity; 421. an airflow chamber; 422. a mounting cavity; 500. a fan; 510. a volute; 511. disassembling and assembling holes; 512. a middle plate; 513. a right side plate; 514. a left side plate; 515. a motor hole; 516. a rectangular clamping groove; 517. a threaded hole; 520. a wind-guiding ring; 521. a wind-guiding hole; 522. a Z-shaped jaw; 523. screw holes; 530. an impeller; 540. a drive motor; 541. a motor bracket; 550. an access panel; 551. an access hole; 552. a baffle plate; 553. a limiting bulge; 554. a limiting clamping groove; 560. an air outlet; 561. installing a flange; 570. and (7) mounting the plate.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the disclosed embodiments can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1 to 7, an embodiment of the present disclosure provides an electric cabinet, including: case 100, blowing plate 200, and refrigerant heat dissipation plate 300. The box body 100 defines a mounting space 101 for mounting electrical components therein, and the outer wall of the box body 100 is provided with heat dissipation fins 102; the blowing-up plate 200 is arranged on the upper end face of the box body 100, and a plurality of airflow channels 201 communicated with the external environment are arranged in the blowing-up plate 200; the refrigerant heat sink 300 is embedded in an outer wall of the case 100, and a heat absorbing surface of the refrigerant heat sink 300 faces the installation space 101.

The electric cabinet provided by the embodiment of the disclosure is adopted, the heat dissipation fins 102 are arranged on the outer wall of the cabinet 100, the upper end of the cabinet 100 is provided with the blowing plate 200, a plurality of airflow channels 201 are arranged in the blowing plate 200, airflow in the external environment can fully contact with the heat dissipation fins 102 to exchange heat when flowing through the cabinet 100, and the heat exchange area of the outer wall of the cabinet 100 is increased, because the heat in the installation space 101 naturally rises and is gathered at the upper end face of the cabinet 100, and the airflow in the external environment can pass through the airflow channels 201 in the blowing plate 200 to exchange heat with the blowing plate 200, so that the upper end face of the cabinet 100 is cooled and dissipated, the refrigerant heat dissipation plate 300 embedded on the outer wall of the cabinet 100 is utilized to absorb the heat in the installation space 101 through the refrigerant heat dissipation plate 300, the heat dissipation effect is further improved, and the heat dissipation efficiency of the electric cabinet is improved while the tightness of the electric cabinet is ensured, and the operation stability of electric elements installed in the electric cabinet is maintained.

Alternatively, the case 100 has a rectangular body structure, and the installation space 101 is a rectangular cavity defined inside the case 100. In this way, the box body 100 with a rectangular structure can be better adapted to the installation of the pipeline machine, and the installation space 101 with a rectangular cavity structure is defined in the box body 100, so that the installation of the electric elements is convenient, and the heat generated by the electric elements can be uniformly dissipated through the box body 100.

Optionally, the inner wall of the box 100 has a heat conducting surface and a mounting surface, the heat conducting surface is provided with a heat dissipating protrusion, and the mounting surface is a planar structure. In this way, the heat-dissipating projection is provided on the heat-conducting surface of the inner wall of the case 100, the heat-exchanging area of the inner wall of the case 100 is increased, the heat in the installation space 101 is more efficiently conducted to the heat-dissipating fin 102 on the outer wall of the case 100 and discharged, and the installation surface is used for installing and fixing the electrical component.

Specifically, the rear inner wall of the box 100 has a mounting surface, and the heat-conducting surface is two side inner walls of the box 100 adjacent to the mounting surface. Therefore, the heat conducting surface is surrounded on the mounting surface, heat generated by the electric element mounted on the mounting surface is dissipated to the heat conducting surfaces on two sides, heat exchange with the heat conducting surfaces is more efficient, and the heat dissipation efficiency is further improved.

Alternatively, as shown in fig. 2, the heat dissipating fins 102 are provided on the outer wall of the case 100 in the vertical direction, and the heat dissipating fins 102 extend along the outer wall of the case 100 in the vertical direction to the outer wall of the case 100 in the horizontal direction. Therefore, the coverage area of the heat dissipation fins 102 on the outer wall of the box body 100 is increased, the heat exchange area is increased, when the pipeline machine is vertically installed, the direction of the heat dissipation fins 102 is consistent with the direction of the airflow of the pipeline machine, the airflow flowing through the box body 100 can better exchange heat with the heat dissipation fins 102, and the heat dissipation efficiency is further improved.

Alternatively, the heat dissipating protrusions on the heat conducting surface are aligned with the arrangement direction of the heat dissipating fins 102. Thus, the heat absorbed by the heat dissipating protrusions on the heat conducting surface is better conducted to the heat dissipating fins 102 on the outer wall of the box 100 and discharged.

Specifically, the plurality of heat dissipation fins 102 are provided, and the plurality of heat dissipation fins 102 are uniformly distributed on the outer wall of the box 100. Thus, the heat dissipation area of the case 100 is further increased, and the heat dissipation efficiency is improved.

Alternatively, as shown in fig. 1, the case 100 includes: an enclosure 110, a top panel 120, a bottom panel 130, and a cover panel 140. The upper end face of the enclosing plate 110 is provided with a first opening, the lower end face is provided with a second opening, and the front end face is provided with a third opening; the top plate 120 is arranged at the first opening, is fixedly connected with the enclosing plate 110 and can seal the first opening, and the blowing plate 200 is arranged on the upper side wall of the top plate 120; the bottom plate 130 is arranged at the second opening, is fixedly connected with the enclosing plate 110, and can seal the second opening; the cover plate 140 is disposed at the third opening, and detachably connected to the enclosing plate 110, so as to close or open the second opening. Thus, the box 100 is formed by connecting the enclosing plate 110, the top plate 120, the bottom plate 130 and the cover plate 140 together, the top plate 120 is covered and arranged at a first opening of the upper end surface of the enclosing plate 110 to seal the first opening, the bottom plate 130 is covered and arranged at a second opening of the lower end surface of the enclosing plate 110 to seal the second opening, the cover plate 140 is detachably covered and arranged at a third opening of the front end surface of the enclosing plate 110, the third opening is a maintenance opening of the box 100, the cover plate 140 is detached and opened to maintain or replace electrical elements inside the box 100, the expansion plate 200 is arranged on the upper side wall of the top plate 120, heat gathered in the top plate 120 region is dissipated by the expansion plate 200, the box 100 is formed by the enclosing plate 110, the top plate 120, the bottom plate 130 and the cover plate 140 together, the production and the processing of the box 100 are convenient, the sealing performance of the box 100 is good after the assembly and the heat dissipation efficiency is high.

Specifically, the enclosing plate 110 is a rectangular frame-shaped structure, the heat dissipation fins 102 are disposed on the outer side wall of the enclosing plate 110, the inner wall of the rear side of the enclosing plate 110 is a mounting surface, and the inner walls of the left and right sides adjacent to the inner wall of the rear side are heat conduction surfaces. In this way, the top plate 120, the bottom plate 130 and the cover plate 140 are respectively disposed at the upper, lower and front ends of the enclosure 110, and together with the enclosure 110, the box 100 is formed, the electrical components are mounted on the inner wall of the rear side of the enclosure 110, the heat dissipation fins 102 are disposed on the outer wall of the enclosure 110, and the heat dissipation protrusions are disposed on the inner wall of the enclosure 110, so that the enclosure 110 can be used as a heat conduction medium to accelerate the heat dissipation process.

It will be appreciated that the cover plate 140 is removably attached to the shroud 110 by removable attachment structures such as screws.

Optionally, the enclosure 110, top plate 120, bottom plate 130, and cover plate 140 are all made of a thermally conductive material of aluminum. Therefore, the aluminum heat conduction material has good heat conduction performance, the heat conduction effect of the box body 100 formed by connecting the enclosing plate 110, the top plate 120, the bottom plate 130 and the cover plate 140 together is improved, heat in the installation space 101 is better guided to the outside, the oxidation resistance of the aluminum heat conduction material is good, and the service life of the electric cabinet is prolonged.

As shown in connection with fig. 3, in some embodiments, the inflation panel 200 includes: a heat-conducting plate 210 and an S-shaped folded plate 220. The heat conducting plate 210 is attached to the upper end surface of the case 100; the S-shaped folded plate 220 is disposed on the upper sidewall of the heat-conducting plate 210, and the plurality of air flow channels 201 are disposed in the S-shaped folded plate 220. Like this, be divided into heat-conducting plate 210 and S-shaped folded edge plate 220 with the board that blows and expand 200, the attached setting of heat-conducting plate 210 is at the up end of box 100, increase and the box 100 between the heat conduction area, S-shaped folded edge plate 220 sets up on heat-conducting plate 210, utilizes a plurality of airflow channel 201 in the S-shaped folded edge plate 220 to increase the heat radiating area of board that blows and expands 200 to improve the radiating efficiency of this electric cabinet.

Alternatively, the upper sidewall of the top plate 120 is provided with a coupling groove 122, and the heat conductive plate 210 is disposed in the coupling groove 122. Thus, the contact area between the heat conduction plate 210 and the top plate 120 can be further increased, the heat conduction efficiency can be improved, and the heat collected in the top plate 120 region can be more efficiently dissipated through the heat conduction plate 210.

Alternatively, a portion of the plurality of gas flow channels 201 is defined by the inner sidewalls of the S-shaped folded plate 220 and the upper sidewall of the heat conductive plate 210, and the remaining portion is defined by the inner sidewalls of the S-shaped folded plate 220. Like this, when outside air current flowed through air flow channel 201, the air current can with the heat transfer between the last lateral wall of heat-conducting plate 210 and the S-shaped folded edge plate 220, take away the heat of heat-conducting plate 210 and S-shaped folded edge plate 220, improve the radiating efficiency of this electric cabinet.

Specifically, the S-shaped folding plate 220 has a plate-shaped structure with a continuous S-shaped folding.

It will be appreciated that the heat-conducting plate 210 and the S-shaped flange plate 220 are also made of a heat-conducting material made of aluminum.

Optionally, the upper side walls of the heat conducting plate 210 have an inclination angle with respect to the horizontal plane. Thus, since the heat conductive plate 210 is installed on the upper sidewall of the top plate 120, the top plate 120 can receive the condensed water dropping from above, and the upper sidewall of the heat conductive plate 210 is inclined, which is advantageous for discharging the condensed water.

Optionally, as shown in fig. 4, a through wiring hole 131 is formed on the bottom plate 130, and a sealing rubber plug 132 is disposed in the wiring hole 131. Like this, set up wiring hole 131 on bottom plate 130, avoid the top drippage comdenstion water to cause electrical safety hidden danger in getting into box 100 from wiring hole 131, set up sealed plug 132 in wiring hole 131 moreover, in the difficult box 100 that gets into through wiring hole 131 of external humid air, further improved box 100's leakproofness.

In some embodiments, as shown in fig. 5, the side edge of the top plate 120 has a downward folded edge, a mounting slot 121 is formed on the lower side wall of the top plate 120, and the upper side edge of the enclosing plate 110 is inserted into the mounting slot 121 and is fixedly connected to the top plate 120. Like this, go into the installation in the installation draw-in groove 121 of roof 120 downside with the upside border card of bounding wall 110 and install, roof 120 forms the effect of sheltering from to bounding wall 110 of below, avoids the comdenstion water that the top dropped to flow into installation space 101 through bounding wall 110 in, has further improved the leakproofness of this box 100, detains roof 120 in addition and establishes in bounding wall 110 upper end and be connected with it, has improved the connection steadiness of roof 120 and bounding wall 110.

Alternatively, in the case that the cover plate 140 is mounted at the third opening on the front end surface of the enclosing plate 110, the upper side edge of the cover plate 140 is also inserted into the mounting slot 121 along with the upper side edge of the enclosing plate 110. In this way, the upper edges of the shroud plate 110 and the cover plate 140 are simultaneously restricted by the mounting notches 121 on the lower side of the top plate 120, thereby improving the overall stability of the case 100 and further improving the sealing performance of the case 100.

Referring to fig. 6 and 7, in some embodiments, the refrigerant heat dissipation plate 300 penetrates through the rear sidewall of the case 100, and a heat absorption surface of the refrigerant heat dissipation plate 300 extends into the installation space 101. In this way, the refrigerant heat dissipation plate 300 is disposed to penetrate through the rear side wall of the box 100, and the heat absorption surface of the refrigerant heat dissipation plate 300 extends into the installation space 101 to absorb heat, so that the heat dissipation efficiency in the installation space 101 can be further improved by using the heat absorption surface of the refrigerant heat dissipation plate 300, and the normal operation of the electrical component can be guaranteed.

Specifically, the cooling medium heat dissipation plate 300 penetrates through the rear sidewall of the shroud 110.

Optionally, the refrigerant heat dissipation plate 300 has a refrigerant evaporation coil 310 therein, a sidewall of the refrigerant heat dissipation plate 300 has a refrigerant inlet 311 and a refrigerant outlet 312, and two ends of the refrigerant evaporation coil 310 are respectively connected to the refrigerant inlet 311 and the refrigerant outlet 312. In this way, the low-temperature and low-pressure liquid refrigerant flows into the refrigerant evaporation coil 310 in the refrigerant heat dissipation plate 300 from the refrigerant inlet 311 to evaporate and absorb heat, the evaporated and heat-absorbed refrigerant flows out of the refrigerant heat dissipation plate 300 from the refrigerant outlet 312, and the low-temperature and low-pressure liquid refrigerant completes the evaporation process in the refrigerant evaporation coil 310 to absorb heat in the installation space 101, so that the installation space 101 is cooled by the refrigerant, and the heat dissipation effect of the electric cabinet is further improved.

It can be understood that the refrigerant evaporating coil 310 of the refrigerant heat dissipating plate 300 is connected to the refrigerant circulating system of the duct machine, and the low-temperature and low-pressure liquid refrigerant in the refrigerant circulating system of the duct machine flows into the refrigerant evaporating coil 310 to evaporate and absorb heat.

In some embodiments, and as shown in connection with fig. 8-14, a pipe machine, comprises: the electric cabinet of the above embodiment.

By adopting the pipeline machine provided by the embodiment of the disclosure, the electric control box in the embodiment is arranged in the pipeline machine and used for installing the electric elements of the pipeline machine, the pipeline machine is usually installed in an air supply pipeline when in use, the working environment is relatively severe, the electric control box in the embodiment has good sealing and heat dissipation performance, can be better adapted to the use of the pipeline machine, and the operation stability of the pipeline machine is improved.

Optionally, as shown in fig. 8, the duct machine further includes a housing 400, a fan cavity 410 and an air outlet cavity 420 are disposed in the housing 400, the air outlet cavity 420 is disposed on one side of the fan cavity 410, the fan 500 is disposed in the fan cavity 410, and an air outlet end of the fan 500 is communicated with the air outlet cavity 420. In this way, the fan 500 is disposed in the fan cavity 410, negative pressure is generated in the fan cavity 410 by operation of the fan 500, airflow is sucked from the outside, and the airflow in the fan 500 is blown into the air outlet cavity 420 through the air outlet end and then blown out from the air outlet cavity 420.

Optionally, air outlet chamber 420 includes: an airflow chamber 421 and a mounting chamber 422. The airflow chamber 421 is communicated with the air outlet end of the fan 500 and has an opening facing to the external environment; the installation cavity 422 and the airflow cavity 421 are arranged side by side, and the electric cabinet in the above embodiment is installed in the installation cavity 422. Like this, because the air-out area of the air-out end of fan 500 is less than the area of overflowing of air-out chamber 420, consequently divide into air flow chamber 421 and the installation cavity 422 that sets up side by side with air-out chamber 420, the heat transfer air current that air-out end of fan 500 blew out gets into in air flow chamber 421, then blow to the external environment through the opening of air flow chamber 421, set up the electric cabinet in installation cavity 422, when not influencing the air output, the space in the rational utilization air-out chamber 420, make this pipe machine's overall structure compacter, the installation of being convenient for.

As shown in connection with fig. 9 and 10, in some embodiments, the wind turbine 500 includes: a volute 510, a inducer 520, and an impeller 530. A dismounting hole 511 is formed in one side wall of the volute 510 in the axial direction; the air guide ring 520 is detachably covered on the dismounting hole 511 to plug the dismounting hole 511, the air guide ring 520 is provided with an air guide hole 521, and the volute 510 is communicated with the external environment through the air guide hole 521; the impeller 530 is rotatably disposed within the volute 510; the inner diameter of the dismounting hole 511 is larger than the diameter of the impeller 530, and the diameter of the impeller 530 is larger than the inner diameter of the air inducing hole 521. Thus, the dismounting hole 511 is arranged on the axial side wall of the volute 510, the dismounting hole 511 is sealed by the induced draft ring 520, the induced draft ring 520 is detachably connected with the side wall of the volute 510, because the inner diameter of the dismounting hole 511 is larger than the diameter of the impeller 530, when the impeller 530 needs to be dismounted and maintained, the dismounting hole 511 is exposed by dismounting the induced draft ring 520, the impeller 530 can be dismounted and mounted through the dismounting hole 511, and the induced draft hole 521 arranged on the induced draft ring 520 is smaller than the diameter of the impeller 530 because the inner diameter is smaller than the diameter of the impeller 530, so that the impeller 530 can well suck external air flow from the induced draft hole 521 when running, the dismounting and mounting of the impeller 530 are simplified while the induced draft effect is not influenced, thereby improving the maintenance efficiency of the fan 500, shortening the maintenance period and reducing the maintenance cost.

Alternatively, as shown in fig. 10, the volute 510 includes: a middle plate 512, a right side plate 513, and a left side plate 514. The left side plate 514 and the right side plate 513 are respectively arranged at the left side and the right side of the middle plate 512 in the axial direction, and the left side plate 514 and the right side plate 513 are welded and fixed at the left side and the right side of the middle plate 512 to jointly form the volute 510. Thus, the volute 510 formed by welding the middle plate 512, the right side plate 513 and the left side plate 514 has high strength, is convenient to process and reduces the production cost.

Specifically, the attaching/detaching hole 511 is a through-hole-like structure provided in the left side plate 514. Thus, the impeller 530 can be easily removed and repaired through the removal hole 511.

Optionally, the fan 500 further comprises: the motor 540 is driven. The other axial side wall of the volute 510 is provided with a motor hole 515, the driving motor 540 is fixedly installed in the motor hole 515 through a motor support 541, and an output shaft of the driving motor 540 extends out of the volute 510 and is fixedly connected with the impeller 530. In this way, a motor hole 515 is formed in the other axial side wall of the scroll 510 for installing the driving motor 540, the driving motor 540 is installed in the motor hole 515 through a motor support 541, an output shaft of the installed driving motor 540 is located in the scroll 510, the impeller 530 is fixedly connected with the output shaft of the driving motor 540, the driving motor 540 is used for driving the impeller 530 to rotate in the scroll 510, negative pressure is formed in the scroll 510, external air flow is sucked from an air induction opening, the driving motor 540 is convenient to install and detach through the motor hole 515, which is formed in the other axial side wall of the scroll 510 and is opposite to the detachment hole 511, and the output shaft of the installed driving motor 540 faces the detachment hole 511, so that the connection between the impeller 530 and the output shaft of the driving motor 540 is convenient.

Specifically, the motor hole 515 is a through hole-like structure provided on the right side plate 513. Thus, the mounting and dismounting of the driving motor 540 are facilitated, and since the mounting and dismounting hole 511 is located on the left side plate 514 and the motor hole 515 is provided on the right side plate 513, the motor hole 515 is opposed to the mounting and dismounting hole 511, and the output shaft of the mounted driving motor 540 can be better connected to the impeller 530.

Alternatively, the outer peripheral wall of the driving motor 540 is provided with a sealing ring, and the sealing ring seals the motor hole 515 in a case where the driving motor 540 is mounted in the motor hole 515. Therefore, after the driving motor 540 is installed, the motor hole 515 is sealed through the sealing ring on the outer peripheral wall of the driving motor 540, and the problem that air leaks from the motor hole 515 to cause the loss of negative pressure in the volute 510 is avoided.

Referring to fig. 11, in some embodiments, a rectangular clamping groove 516 is formed in a side wall of the volute 510 corresponding to the periphery of the dismounting hole 511, a Z-shaped claw 522 is arranged at a position of the induced air ring 520 corresponding to the rectangular clamping groove 516, and the Z-shaped claw 522 is detachably clamped in the rectangular clamping groove 516, so that the induced air ring 520 is detachably connected with the side wall of the volute 510. Like this, the induced air circle 520 is connected with the lateral wall detachable of spiral case 510 through the cooperation of Z shape jack catch 522 and rectangle draw-in groove 516, and Z shape jack catch 522 can be more firm the card establish in rectangle draw-in groove 516, has improved the stability of induced air circle 520.

In the example of induced air ring 520 installation and dismantlement, taking the figure as an example, when induced air ring 520 passes through the installation of Z shape jack catch 522, block Z shape jack catch 522 in the rectangle draw-in groove 516 that the spiral case 510 lateral wall corresponds, rotate induced air ring 520 wholly along clockwise and can make the chucking between Z shape jack catch 522 and the rectangle draw-in groove 516, fix induced air ring 520, when needing to dismantle induced air ring 520, rotate induced air ring 520 wholly along anticlockwise, Z shape jack catch 522 can break away from the restriction of rectangle draw-in groove 516 to dismantle induced air ring 520.

Optionally, the rectangular clamping grooves 516 are provided in a plurality, the Z-shaped clamping jaws 522 are also provided in a plurality of corresponding manners, the side wall of the volute 510 corresponding to the periphery of the dismounting hole 511 is further provided with a threaded hole 517, a screw hole 523 is provided at a position of the induced draft ring 520 corresponding to the threaded hole 517, the plurality of Z-shaped clamping jaws 522 are detachably clamped in the plurality of rectangular clamping grooves 516, and the screw hole 523 and the threaded hole 517 are connected by screws, so that the induced draft ring 520 is detachably connected with the side wall of the volute 510. Like this, through set up a plurality of Z shape jack catchs 522 on induced air circle 520, set up a plurality of rectangle draw-in grooves 516 on the spiral case 510 lateral wall, each Z shape jack catch 522 corresponds a rectangle draw-in groove 516, because need carry out the induced air circle 520 whole clockwise rotation when induced air circle 520 installs and all block tightly in the rectangle draw-in groove 516 that corresponds a plurality of Z shape jack catchs 522, make induced air circle 520 drop for avoiding this fan 500 vibration that produces at the during operation, set up screw hole 523 on induced air circle 520, set up screw hole 517 in the position that spiral case 510 lateral wall corresponds screw hole 523, pass screw hole 523 and screw hole 517 through the screw and fix induced air circle 520 once more, avoid vibration to cause induced air circle 520 counter-clockwise rotation to lead to Z shape jack catch 522 to deviate from rectangle draw-in groove 516.

Specifically, the Z-shaped claws 522 are arranged three, the screw holes 523 are arranged one, the three Z-shaped claws 522 are arranged in the 12 o 'clock direction, the 3 o' clock direction and the 6 o 'clock direction of the air guide hole 521 respectively, the screw holes 523 are arranged in the 9 o' clock direction of the air guide hole 521, the rectangular clamping grooves 516 are correspondingly arranged three, the threaded holes 517 are correspondingly arranged one, the three rectangular clamping grooves 516 are arranged in the 12 o 'clock direction, the 3 o' clock direction and the 6 o 'clock direction of the dismounting hole 511 respectively, and the threaded holes 517 are arranged in the 9 o' clock direction of the dismounting hole 511. Thus, by arranging three Z-shaped claws 522 and three rectangular clamping grooves 516, under the condition that the air guiding ring 520 is arranged on the side wall of the volute 510 through the Z-shaped claws 522, the cooperation of the three Z-shaped claws 522 and the three rectangular clamping grooves 516 is utilized to ensure that the side wall of the air guiding ring 520 at the periphery of the air guiding hole 521 and the side wall of the volute 510 at the periphery of the dismounting hole 511 are in the 12 o ' clock direction and the 3 o ' clock direction and the 6 o ' clock direction are in structural matching connection with the rectangular clamping grooves 516 through the Z-shaped claws 522, the air guiding ring 520 is fixed, because the air guiding ring 520 needs to be integrally clamped in the corresponding rectangular clamping grooves 516 when the air guiding ring 520 is installed and is rotated clockwise, in order to avoid the limitation that the Z-shaped claws 522 are separated from the rectangular clamping grooves 516 due to the anticlockwise rotation of the air guiding ring 520, the screw holes 523 are arranged in the 9 o ' clock direction at the periphery of the air guiding hole 521, the screw holes 517 corresponding to the screw holes 523 are arranged in the 9 o ' clock direction at the periphery of the dismounting hole 511, the rectangular clamping grooves 517, the air guiding ring 520 can be conveniently dismounted and the spiral casing 520, the spiral casing 520 can be conveniently dismounted, the spiral casing 520 can be dismounted, the spiral casing 520 can be conveniently shortened period is shortened, the spiral casing 520 is conveniently dismounted, and the spiral casing 520, the spiral casing 520 is conveniently.

It will be appreciated that with all three Z-shaped fingers 522 captured within the corresponding rectangular slots 516, the screw holes 523 in the inducer 520 are aligned with the screw holes 517 in the sidewall of the volute 510.

As shown in fig. 12, in some embodiments, the outer peripheral wall of the volute 510 in the radial direction is provided with an access window 550. Like this, accessible access panel 550 observes the impeller 530 rotation condition of spiral case 510 inner wall, in time judges the trouble that this fan 500 appears, and when need not to dismantle the maintenance to impeller 530, accessible access panel 550 comes to clear up and overhauls spiral case 510 is inside moreover, has further shortened maintenance cycle, reduces cost of maintenance.

Optionally, an access panel 550 is located in a lower region of the peripheral wall of volute 510. Thus, the access window 550 is disposed at the lower region of the outer peripheral wall of the scroll case 510, and when foreign matter such as screws falls into the scroll case 510, the foreign matter such as screws is distributed near the access window 550 due to gravity, which facilitates taking out the foreign matter such as screws through the access window 550.

Optionally, the access panel 550 comprises: access panel 551 and baffle 552. The access opening 551 is provided in the outer circumferential wall in the radial direction of the scroll 510; baffle 552 is provided at access hole 551, and the outside limit of baffle 552 and the oral border swing joint of access hole 551, baffle 552 can be with access hole 551 close or open. Like this, divide into access hole 551 and baffle 552 with access hole 550, can clear up or take out maintenance work such as foreign matter in the spiral case 510 through access hole 551, make access hole 551 open through rotating baffle 552 when needing to overhaul, when need not to overhaul through access hole 551, seal access hole 551 through rotating baffle 552, avoid this fan 500 to leak out from access hole 551 during operation, reduce the loss of the interior negative pressure of spiral case 510.

Specifically, access hole 551 is circular opening, and baffle 552 is the circular plate with access hole 551 adaptation, and the area of baffle 552 is greater than the area of access hole 551. Thus, the access hole 551 can be better closed by the baffle 552, and the sealing performance at the access hole 551 can be improved.

Optionally, the outer peripheral edge of the baffle 552 is rotatably connected with the outer peripheral wall of the volute 510 corresponding to the outer periphery of the access hole 551 through a rotating shaft, a limiting protrusion 553 is arranged at the outer periphery of the access hole 551, a limiting clamping groove 554 is arranged at the position of the baffle 552 corresponding to the limiting protrusion 553, and the limiting protrusion 553 is clamped into the limiting clamping groove 554 under the condition that the baffle 552 closes the access hole 551. Like this, through the turned position of adjustment baffle 552, can open or seal access hole 551, the operation of the baffle 552 of being convenient for, when closing access hole 551 through baffle 552, spacing arch 553 that the access hole 551 periphery set up can block in the spacing draw-in groove 554 of baffle 552, improve the stability of baffle 552, avoid the vibration to cause baffle 552 to rotate and open access hole 551.

As shown in fig. 13 and 14, in some embodiments, the outer circumferential wall of the volute 510 in the radial direction has an air outlet 560, and a mounting flange 561 is disposed at the rim of the air outlet 560. In this way, the airflow sucked into the volute 510 is blown out through the air outlet 560 on the radial direction of the volute 510, the mounting flange 561 is arranged at the opening edge of the air outlet 560, and the volute 510 is mounted in the pipeline machine by using the mounting flange 561, so that the fan 500 is mounted without arranging other supporting structures to fix the volute 510, and the space occupation of the fan 500 is reduced.

Specifically, the air outlet 560 is located at an upper region of the outer peripheral wall of the scroll case 510.

Optionally, as shown in fig. 14, the volute 510 is disposed in the fan cavity 410, the air introducing hole 521 is communicated with the fan cavity 410, a mounting plate 570 is disposed between the air outlet cavity 420 and the fan cavity 410, the volute 510 is mounted on the mounting plate 570 through a mounting flange 561 at the air outlet 560, a through hole corresponding to the air outlet 560 is disposed on the mounting plate 570, and the air outlet cavity 420 is communicated with the air outlet 560 of the volute 510 through the through hole. In this way, the fan 500 is mounted on the mounting plate 570 through the mounting flange 561 at the air outlet 560 of the spiral case 510, so that the occupied space of the fan 500 is reduced, and the air flow in the spiral case 510 is blown into the air outlet cavity 420 through the air outlet 560.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and illustrated in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An electric cabinet, comprising:

the box body (100) is internally provided with a mounting space (101) for mounting electric elements, and the outer wall of the box body (100) is provided with heat radiating fins (102);

the blowing plate (200) is arranged on the upper end face of the box body (100), and a plurality of airflow channels (201) communicated with the external environment are arranged in the blowing plate (200);

and the refrigerant heat dissipation plate (300) is embedded in the outer wall of the box body (100), and the heat absorption surface of the refrigerant heat dissipation plate (300) faces the installation space (101).

2. The electric cabinet according to claim 1, characterized in that the box (100) comprises:

the upper end face of the enclosing plate (110) is provided with a first opening, the lower end face of the enclosing plate is provided with a second opening, and the front end face of the enclosing plate is provided with a third opening;

the top plate (120) is arranged at the first opening, is fixedly connected with the enclosing plate (110) and can seal the first opening, and the blowing plate (200) is arranged on the upper side wall of the top plate (120);

the bottom plate (130) is arranged at the second opening, is fixedly connected with the enclosing plate (110), and can close the second opening;

and the cover plate (140) is arranged at the third opening, is detachably connected with the enclosing plate (110) and can close or open the second opening.

3. The electric cabinet according to claim 2, characterized in that the bottom plate (130) is provided with a through wiring hole (131), and a sealing rubber plug (132) is arranged in the wiring hole (131).

4. The electric cabinet according to claim 2, characterized in that the side edge of the top plate (120) is provided with a downward folded edge, a mounting slot (121) is formed on the lower side wall of the top plate (120), and the upper side edge of the enclosing plate (110) is clamped into the mounting slot (121) and fixedly connected with the top plate (120).

5. The electric cabinet according to claim 1, wherein the refrigerant heat dissipation plate (300) penetrates through a rear side wall of the cabinet (100), and a heat absorption surface of the refrigerant heat dissipation plate (300) extends into the installation space (101).

6. The electric cabinet according to claim 5, wherein the refrigerant heat dissipation plate (300) has a refrigerant evaporation coil (310) therein, a side wall of the refrigerant heat dissipation plate (300) has a refrigerant inlet (311) and a refrigerant outlet (312), and two ends of the refrigerant evaporation coil (310) are respectively communicated with the refrigerant inlet (311) and the refrigerant outlet (312).

7. The electric cabinet according to any of the claims from 1 to 6, characterized in that said blowing plate (200) comprises:

a heat conducting plate (210) attached to the upper end surface of the box body (100);

the heat conducting plate (210) is provided with a plurality of air flow channels (201), and the heat conducting plate is provided with an S-shaped folding plate (220) which is arranged on the upper side wall of the heat conducting plate (210).

8. The electric cabinet according to claim 7, characterized in that the upper side walls of said heat-conducting plate (210) have an inclination angle with respect to the horizontal plane.

9. The electric cabinet according to any one of claims 1 to 6, wherein the heat dissipating fins (102) are provided on an outer wall of the cabinet (100) in a vertical direction, and the heat dissipating fins (102) extend along the outer wall of the cabinet (100) in the vertical direction to the outer wall of the cabinet (100) in a horizontal direction.

10. A pipe machine, comprising: an electrical cabinet according to any one of claims 1 to 9.

Images