CN218631552U

CN218631552U - Transformer cabinet with replaceable filter screen

Info

Publication number: CN218631552U
Application number: CN202222721882.3U
Authority: CN
Inventors: 刘三孩; 李阳阳
Original assignee: Lingqiu Guoshi Electric Co ltd
Current assignee: Lingqiu Guoshi Electric Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-03-14
Anticipated expiration: 2032-10-15

Abstract

The utility model relates to a removable formula transformer cabinet of filter screen relates to electrical equipment installation technical field, it includes the cabinet body, a filtering component who is used for the cabinet door of the closed cabinet body and is used for supplying the circulation of air, the internal chamber that holds that is used for holding the transformer that has seted up of cabinet, filtering component sets up on the cabinet door, filtering component includes the installed part and sets up the filter screen on the installed part, the filter screen is used for impurity such as filtration dust, set up the installing port that is used for installing the installed part on the cabinet door, the installed part can be dismantled and connect on the cabinet door. The dust collecting device has the advantages that the difficulty of cleaning dust collected on the transformer cabinet is reduced, and then the effect of manpower and material resources consumed in cleaning the filter screen is reduced.

Description

Transformer cabinet with replaceable filter screen

Technical Field

The application relates to the technical field of electrical equipment installation, in particular to a transformer cabinet with a replaceable filter screen.

Background

The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions of the transformer are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformers and special transformers. The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like.

Because the transformer can produce a large amount of heats at the operation in-process, if the heat can not effective timely distribute away, thereby can make the transformer body high temperature cause serious destruction then influence the power transmission and distribution normal operating of whole electric wire netting to the body. Generally, a transformer cabinet is adopted to dissipate heat and ventilate a transformer, and the effect of reducing the temperature of a transformer body quickly and efficiently is achieved by controlling the running conditions of a fan and an oil pump of a transformer cooling system.

Most current transformer cabinets adopt the mode of seting up the heat dissipation through-hole to exchange the outer air of cabinet in the cabinet and heat, this kind of through-hole is fixed to be set up on other lateral walls of cabinet door or the cabinet body usually, when transformer cabinet is in the more environment of dust, after long-time use, the dust can be constantly piled up in the through-hole, may block up the through-hole even, consequently, need regularly clear up the dust in these through-holes, but this kind of through-hole is because fixed the setting is on the cabinet body, and the construction is forbidden around the transformer during operation, consequently, can not directly clear up around the transformer, need dismantle the cabinet body just can clear up these through-holes, this not only consumes manpower and materials, and can influence the normal operating of transformer.

SUMMERY OF THE UTILITY MODEL

In order to reduce the degree of difficulty of the dust of gathering together on the clearance transformer cabinet, and then the manpower and materials that consume when reducing the clearance, this application provides a removable formula transformer cabinet of filter screen.

The application provides a pair of removable formula transformer cabinet of filter screen adopts following technical scheme:

the utility model provides a removable formula transformer cabinet of filter screen, includes the cabinet body, is used for the closure the cabinet door of the cabinet body and the filter assembly who is used for supplying the circulation of air, the internal chamber that holds that is used for holding the transformer that has seted up of cabinet, filter assembly set up in on the cabinet door, filter assembly include the installed part and set up in filter screen on the installed part, the filter screen is used for filtering impurity such as dust, offer on the cabinet door and be used for the installation the installing port of installed part, the installed part can dismantle connect in on the cabinet door.

Through adopting above-mentioned technical scheme, can install the filter screen to the installing port of cabinet door through the installed part in, after using one section, can the dust in some air of adhesion on the filter screen, when the dust of adhesion is cleared up on needs to the filter screen, can pull down the filter screen through the installed part, then remove the filter screen to appointed position and clear up it, can install the filter screen to the cabinet door again after the clearance is accomplished, and need not clear up the dust through dismantling the transformer cabinet, thereby greatly reduced the degree of difficulty of clearance transformer cabinet on adhesion dust and simplified the flow of clearance dust, and then improved the efficiency of clearance operation.

Optionally, the installed part includes mounting bracket, filtering grid and is used for spacingly the spacing piece of mounting bracket, the mounting bracket inlays to be located in the installation hole, filtering grid set firmly in one side of mounting bracket, spacing piece set firmly in the mounting bracket is kept away from filtering grid's opposite side, the confession has been seted up on the mounting bracket the mounting groove of filter screen embedding.

Through adopting above-mentioned technical scheme, the filter screen is installed to the mounting groove back in, and the filter screen that sets up on the mounting bracket not only can provide the supporting role for the filter screen, and the filter screen can reduce the foreign object striking filter screen moreover and lead to the filter screen to take place the possibility of deformation to can guarantee the filter effect of filter screen to the impurity such as dust in the air.

Optionally, the limiting pieces are provided with a plurality of limiting pieces, and the limiting pieces are arranged on two sides of the mounting rack.

Through adopting above-mentioned technical scheme, not only can reduce the load of single spacing piece through a plurality of spacing pieces that set up, can strengthen the spacing effect of spacing piece to the mounting bracket moreover to can be so that the mounting bracket is stable fix in the installing port of cabinet door.

Optionally, a first positioning hole is formed in the limiting piece, a second positioning hole is formed in the cabinet door, the first positioning hole corresponds to the second positioning hole in a one-to-one manner, the mounting frame is detachably connected to the cabinet door through a mounting bolt, and the mounting bolt is in threaded connection with the first positioning hole and the second positioning hole respectively.

Through adopting above-mentioned technical scheme, use through the cooperation of construction bolt and first locating hole, second locating hole, not only can carry out the accurate positioning to the mounted position of mounting bracket to reduce the installation error of mounting bracket, can be with the stable fixing of mounting bracket on the cabinet door moreover, and then can guarantee the filter effect of filter screen.

Optionally, the filtering component further comprises a clamping piece used for installing the filter screen into the mounting groove, the clamping piece comprises an cover plate detachably connected with the mounting groove, a vent used for containing the containing groove of the filter screen and supplying air circulation is formed in the cover plate, and two sides of the filter screen are respectively abutted to the filtering grating and the cover plate.

Through adopting above-mentioned technical scheme, the apron can be closed one side of installing port and with the filter screen centre gripping between apron and filter grating, and the holding tank can carry on spacingly to the filter screen moreover to can reduce behind the many dusts of filter screen adhesion because of the circumstances that self gravity increase takes place deformation and take place the skew.

Optionally, a sliding block is arranged on the side wall of the cover plate, a sliding groove for the sliding block to slide is formed in the inner wall of the mounting groove, the clamping piece further comprises a clamping block and a limiting spring, the clamping block and the limiting spring are used for clamping the cover plate, an accommodating cavity for accommodating the clamping block and the limiting spring is formed in the inner wall of the sliding groove, at least one part of the clamping block is exposed out of the sliding groove, and two guide inclined planes are symmetrically arranged on the clamping block and used for mounting and dismounting the cover plate.

Through adopting above-mentioned technical scheme, when the apron is installed, can slide into the spout through the slider in, then the slider promotes the fixture block through the direction inclined plane and removes to the holding intracavity, and spacing spring receives the extrusion of fixture block and compresses simultaneously, continues to slide until with spacing spring with the fixture block promote the spout again in, the fixture block can carry on spacingly to the slider this moment to filter screen and apron effect of fixing has been realized.

Optionally, the clamping member further includes a telescopic rod for limiting the limiting spring, the telescopic rod is inserted into the limiting spring, one end of the telescopic rod is fixedly arranged on the fixture block, and the other end of the telescopic rod is fixedly arranged in the accommodating cavity.

Through adopting above-mentioned technical scheme, spacing spring when the holding intracavity is flexible, can produce radial ascending rocking, can take place the distortion even, can radially carry on spacingly to spacing spring through the telescopic link of wearing to establish in spacing spring to can reduce spacing spring and radially rock, and then can promote spacing spring's life.

Optionally, a pull ring for detaching and installing the cover plate is arranged on the cover plate.

Through adopting above-mentioned technical scheme, can make things convenient for the staff to dismantle and install the apron through the pull ring, and then can reduce the degree of difficulty of dismantling and installing the filter screen to can use manpower sparingly and improve the efficiency of cleaning operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the filter screen is installed in the installation groove, the filter grille arranged on the installation frame not only can provide a supporting function for the filter screen, but also can reduce the possibility that the filter screen is deformed due to the impact of foreign objects on the filter screen, so that the filtering effect of the filter screen on impurities such as dust in the air can be ensured;

2. through the matching use of the mounting bolt, the first positioning hole and the second positioning hole, the mounting position of the mounting frame can be accurately positioned, so that the mounting error of the mounting frame is reduced, the mounting frame can be stably fixed on the cabinet door, and the filtering effect of the filter screen can be further ensured;

3. can make things convenient for the staff to dismantle and install the apron through the pull ring, and then can reduce the degree of difficulty of dismantling and installing the filter screen to can use manpower sparingly and improve the efficiency of cleaning operation.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural view of the mount of the present embodiment;

FIG. 3 is a schematic structural diagram of the mounting frame of the present embodiment;

fig. 4 is a schematic structural view of the clip of the present embodiment.

Description of reference numerals: 1. a cabinet body; 11. an accommodating chamber; 2. a cabinet door; 21. an installation port; 22. a second positioning hole; 23. a handle; 3. a filter assembly; 31. a mounting member; 311. a mounting frame; 3111. mounting grooves; 3112. a chute; 3113. an accommodating cavity; 312. filtering a grating; 313. a limiting sheet; 3131. a first positioning hole; 314. installing a bolt; 32. a filter screen; 33. a clamping piece; 331. a cover plate; 3311. accommodating a tank; 3312. a vent; 332. a slider; 333. a clamping block; 3331. a guide slope; 334. a limiting spring; 335. a telescopic rod; 336. and (4) a pull ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses removable formula transformer cabinet of filter screen. Referring to fig. 1 and 2, the removable formula transformer cabinet of filter screen includes the cabinet body 1, cabinet door 2 and filtering component 3, and cabinet door 2 is used for the closed cabinet body 1, has seted up the chamber 11 that holds that is used for holding the transformer in the cabinet body 1, and filtering component 3 sets up on cabinet door 2 and is used for supplying the circulation of air.

In this embodiment, the cabinet door 2 is rotatably connected to the cabinet body 1, the cabinet door 2 is provided with a handle 23 for opening and closing the transformer cabinet, and the filter assembly 3 can exchange heat inside and outside the transformer cabinet by exchanging hot air and cold air inside and outside the transformer cabinet, and discharge the heat inside the transformer out of the transformer cabinet through the heat transfer function; meanwhile, the filtering component 3 can prevent impurities such as dust from entering the transformer cabinet, and further normal operation of the transformer can be guaranteed.

Filtering component 3 includes installed part 31, filter screen 32 and joint piece 33, and filter screen 32 sets up on installed part 31 and is used for impurity such as filtration dust, offers the installing port 21 that is used for installing installed part 31 on cabinet door 2, and installed part 31 can be dismantled and connect on cabinet door 2, and joint piece 33 is used for the joint of filter screen 32 on installed part 31. In this embodiment, the filter screen 32 is clamped on the mounting member 31 by a clamping member 33, and is detachably connected to the cabinet door 2 by the mounting member 31.

When the filter screen 32 is installed, the installation piece 31 is installed in the installation opening 21 of the cabinet door 2, then the filter screen 32 is placed in the clamping piece 33, and then the filter screen 32 is fixed on the installation piece 31 through the clamping action of the clamping piece 33 and the installation piece 31, so that the filter screen 32 can be fixed on the cabinet door 2; when dismantling filter screen 32, through the fixed effect of removing joint piece 33 and installed part 31, and then make installed part 31 remove the limiting displacement to filter screen 32 to the convenience is dismantled filter screen 32 from cabinet door 2 and is cleared up it.

Referring to fig. 2 and 3, the installation part 31 includes a mounting bracket 311, a filter grid 312 and a plurality of spacing pieces 313 that are used for spacing mounting bracket 311, and the mounting bracket 311 is embedded in the installing port 21, and the filter grid 312 sets firmly in one side of mounting bracket 311, and spacing piece 313 sets firmly in the mounting bracket 311 keeps away from the opposite side of filter grid 312 and all sets up in the both sides of mounting bracket 311, sets up the mounting groove 3111 that supplies the embedding of filter screen 32 on the mounting bracket 311. The limiting plate 313 is provided with a first positioning hole 3131, the cabinet door 2 is provided with a second positioning hole 22, the first positioning hole 3131 corresponds to the second positioning hole 22 one to one, the mounting frame 311 is detachably connected to the cabinet door 2 through a mounting bolt 314, and the mounting bolt 314 is in threaded connection with the first positioning hole 3131 and the second positioning hole 22 respectively.

In this embodiment, the filter grille 312 sets up in the mounting bracket 311 and is close to the one side that holds the chamber 11, and spacing piece 313 sets up in the one side that holds the chamber 11 of keeping away from of mounting bracket 311, and spacing piece 313 is provided with two sets ofly altogether, and every group all is provided with two spacing pieces 313, and the spacing piece 313 symmetry of every group sets up in the left and right sides of mounting bracket 311, and the size of mounting groove 3111 is not less than the size of filter screen 32.

When the mounting frame 311 is mounted on the cabinet door 2, the mounting frame 311 is first placed in the mounting opening 21, then the mounting frame 311 is moved so that the first positioning hole 3131 formed in the limiting piece 313 is aligned with the second positioning hole 22 formed in the cabinet door 2, then the mounting bolt 314 is sequentially inserted into the first positioning hole 3131 and the second positioning hole 22, and the mounting frame 311 is tightly fixed on the cabinet door 2 by rotating the mounting bolt 314; the filter grille 312 can support the filter screen 32, prevent the filter screen 32 from falling off from the cabinet door 2, and increase the contact area between the air and the filter screen 32. When the filter screen 32 is detached, the mounting bolt 314 can be directly screwed out from the first positioning hole 3131 and the second positioning hole 22 by rotating the mounting bolt 314, so that the fixed connection relationship between the mounting rack 311 and the cabinet door 2 can be released, and the filter screen 32 can be detached from the cabinet door 2.

Referring to fig. 2 and 4, the clamping member 33 includes a cover plate 331 and a slider 332, the cover plate 331 is detachably connected to the mounting groove 3111, the cover plate 331 is provided with a receiving groove 3311 for receiving the filter screen 32 and a vent 3312 for air circulation, and two sides of the filter screen 32 are respectively abutted to the filter grille 312 and the cover plate 331; the sliding block 332 is arranged on the side wall of the cover plate 331, and a sliding groove 3112 for the sliding block 332 to slide is formed in the inner wall of the mounting groove 3111; the cover 331 is provided with a pull ring 336 for removing and installing the cover 331.

In this embodiment, the filter screen 32 is adhered inside the accommodating groove 3311, the sliding blocks 332 are symmetrically disposed on the outer walls of the left and right sides of the cover plate 331, the size of the accommodating groove 3311 is smaller than that of the mounting groove 3111, the vent 3312 is disposed on one side of the cover plate 331 away from the mounting groove 3111 and is communicated with the accommodating groove 3311, and one side of the filter screen 32 facing the vent 3312 is adhered to the bottom of the accommodating groove 3311; the pull rings 336 are arranged on the left and right sides of the cover plate 331 symmetrically.

When the filter screen 32 is installed, the slide block 332 is aligned with the slide groove 3112, and the pull ring 336 pushes the cover plate 331 to move, so that the slide block 332 is driven to slide in the slide groove 3112 until the filter screen 32 is tightly abutted to the filter grid 312; when dismantling filter screen 32, thereby pulling pull ring 336 drives apron 331 and filter screen 32 and removes outside mounting groove 3111, until removing mounting groove 3111 to the spacing effect of filter screen 32 to the purpose of dismantling filter screen 32 has been realized.

The clamping piece 33 further comprises a clamping block 333, a limiting spring 334 and an expansion rod 335 for limiting the limiting spring 334, the clamping block 333 and the limiting spring 334 are used for clamping the cover plate 331, an accommodating cavity 3113 for accommodating the clamping block 333 and the limiting spring 334 is arranged on the inner wall of the sliding groove 3112, at least one part of the clamping block 333 is exposed in the sliding groove 3112, and two guide inclined surfaces 3331 are symmetrically arranged on the clamping block 333 and used for installing and detaching the cover plate 331; the telescopic rod 335 is inserted into the limiting spring 334, and one end of the telescopic rod 335 is fixed on the fixture block 333, and the other end is fixed in the accommodating cavity 3113.

In this embodiment, the side view of the clamping block 333 is shaped like an isosceles triangle, when the clamping block 333 does not receive an external force, at least a portion of the guiding inclined surface 3331 of the clamping block 333 is located in the accommodating cavity 3113, the accommodating cavity 3113 is horizontally disposed and is communicated with the sliding groove 3112, the telescopic rod 335 and the limiting spring 334 are horizontally disposed, and the outer diameter of the telescopic rod 335 is smaller than the inner diameter of the limiting spring 334.

After long-time use, the performance of the spring may be weakened, and the length of the spring may be lengthened when the spring is not acted by an external force, so that the clamping block 333 gradually moves towards the sliding groove 3112, at this time, the guide inclined surface 3331 moves along with the clamping block 333, and when the sliding block 332 slides in the sliding groove 3112, the sliding block 332 still contacts the guide inclined surface 3331 at first and cannot be clamped by the clamping block 333, so that the limiting effect of the clamping block 333 on the sliding block 332 is improved; the telescopic rod 335 can reduce the shaking of the limiting spring 334 in the stretching process, so that the winding and deformation of the limiting spring 334 can be reduced, and the service life of the limiting spring 334 can be prolonged.

The implementation principle of the removable formula transformer cabinet of filter screen of the embodiment of this application does: when the filter screen 32 is installed, firstly, the mounting frame 311 is fixed in the mounting opening 21 through the mounting bolt 314, then the sliding block 332 slides into the sliding groove 3112, then the pull ring 336 arranged on the cover plate 331 is pushed to drive the cover plate 331 to move towards the mounting groove 3111, when the sliding block 332 contacts with the guide inclined surface 3331 of the clamping block 333, the cover plate 331 is continuously pushed to enable the sliding block 332 to push the clamping block 333 to move towards the accommodating cavity 3113, meanwhile, the telescopic rod 335 and the limiting spring 334 are compressed, and a part of acting force pushing the cover plate 331 is converted into elastic potential energy of the limiting spring 334 until the clamping block 333 is completely extruded into the accommodating cavity 3113 by the sliding block 332; continue to promote slider 332 and remove to another direction inclined plane 3331, spacing spring 334 converts the elastic potential energy of its collection into the effort that promotes fixture block 333 through the elastic action this moment to make fixture block 333 slide to the direction of spout 3112, when slider 332 removed the bottom of spout 3112, one side that fixture block 333 kept away from holding chamber 3113 was supported with the lateral wall of apron 331, thereby realized the joint effect of fixture block 333 to slider 332, and then realized fixture block 333 to apron 331 and filter screen 32 fixed effect.

When dismantling filter screen 32, can be through pulling pull ring 336 for slider 332 removes outside spout 3112, and slider 332 promotes fixture block 333 through direction inclined plane 3331 and removes in holding chamber 3113, continues to pull ring 336 until fixture block 333 removes the fixed effect to slider 332, takes out apron 331 and filter screen 32 from mounting groove 3111 at last, thereby has realized dismantling the purpose of filter screen 32.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a removable formula transformer cabinet of filter screen which characterized in that: including the cabinet body (1), be used for the closure cabinet door (2) of the cabinet body (1) and be used for supplying filtration components (3) of circulation of air, set up chamber (11) that hold that are used for holding the transformer in the cabinet body (1), filtration components (3) set up in on cabinet door (2), filtration components (3) including installed part (31) with set up in filter screen (32) on installed part (31), filter screen (32) are used for filtering dust impurity, offer on cabinet door (2) and be used for the installation installing port (21) of installed part (31), installed part (31) can dismantle connect in on cabinet door (2).

2. The screen replaceable transformer cabinet of claim 1, wherein: installation part (31) include mounting bracket (311), filtering grid (312) and be used for spacingly spacing piece (313) of mounting bracket (311), mounting bracket (311) inlay and locate in installing port (21), filtering grid (312) set firmly in one side of mounting bracket (311), spacing piece (313) set firmly in mounting bracket (311) are kept away from the opposite side of filtering grid (312), the confession has been seted up on mounting bracket (311) mounting groove (3111) of filter screen (32) embedding.

3. The screen replaceable transformer cabinet of claim 2, wherein: the limiting pieces (313) are arranged in a plurality of numbers, and the limiting pieces (313) are arranged on two sides of the mounting frame (311).

4. The screen replaceable transformer cabinet of claim 2, wherein: the door is characterized in that a first positioning hole (3131) is formed in the limiting piece (313), a second positioning hole (22) is formed in the cabinet door (2), the first positioning hole (3131) corresponds to the second positioning hole (22) in a one-to-one mode, the mounting frame (311) is detachably connected to the cabinet door (2) through a mounting bolt (314), and the mounting bolt (314) is in threaded connection with the first positioning hole (3131) and the second positioning hole (22) respectively.

5. The screen replaceable transformer cabinet of claim 2, wherein: filter component (3) still including be used for with filter screen (32) install extremely joint spare (33) in mounting groove (3111), joint spare (33) include with mounting groove (3111) can dismantle apron (331) of connection, offer on apron (331) and be used for holding tank (3311) of filter screen (32) and vent (3312) that supply circulation of air, the both sides of filter screen (32) respectively with filter grating (312) apron (331) butt.

6. The screen replaceable transformer cabinet of claim 5, wherein: the side wall of the cover plate (331) is provided with a sliding block (332), the inner wall of the mounting groove (3111) is provided with a sliding groove (3112) for the sliding block (332), the clamping piece (33) further comprises a clamping block (333) and a limiting spring (334) for clamping the cover plate (331), the inner wall of the sliding groove (3112) is provided with an accommodating cavity (3113) for accommodating the clamping block (333) and the limiting spring (334), at least one part of the clamping block (333) is exposed out of the sliding groove (3112), and the clamping block (333) is symmetrically provided with two guide inclined planes (3331) for mounting and dismounting the cover plate (331).

7. The screen replaceable transformer cabinet of claim 6, wherein: the clamping piece (33) further comprises an expansion rod (335) used for limiting the limit spring (334), the expansion rod (335) penetrates through the limit spring (334), one end of the expansion rod (335) is fixedly arranged on the clamping block (333), and the other end of the expansion rod is fixedly arranged in the accommodating cavity (3113).

8. The screen replaceable transformer cabinet of claim 5, wherein: and a pull ring (336) for dismounting and mounting the cover plate (331) is arranged on the cover plate (331).