CN115173259A - Differential protection system of branch phase-shifting transformer - Google Patents
Differential protection system of branch phase-shifting transformer Download PDFInfo
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- CN115173259A CN115173259A CN202210625790.7A CN202210625790A CN115173259A CN 115173259 A CN115173259 A CN 115173259A CN 202210625790 A CN202210625790 A CN 202210625790A CN 115173259 A CN115173259 A CN 115173259A
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- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000017525 heat dissipation Effects 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 230000033228 biological regulation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/045—Differential protection of transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a differential protection system of a branch phase-shifting transformer, which relates to the technical field of power protection and comprises the following components: a protection mechanism; the main body is of a rectangular structure; the main body is arranged in the rectangular hole of the mounting piece; an embedding block is arranged in the embedding groove; the guide rod is arranged in the round hole on the bearing piece; the insert block is inserted into the rectangular through hole on the insert block; the pull handle is arranged on the side edge of the guide rod; through the rectangle through-hole that passes the installed part with the main part, and then make the mosaic block slide at the mosaic trough inside, and the mosaic block contacts with the mosaic block when removing, make the mosaic block drive the round hole inside removal of guide bar on bearing the piece, when the mosaic block is installed completely at the mosaic trough inside, effect through the spring reset, make inside the rectangle through-hole that the mosaic block inserted on the mosaic block, and then installation main part that can be convenient, the differential protection device of present tradition has been solved, if when the differential protection device appears unusually, the problem of differential protection device is dismantled in unable convenient installation.
Description
Technical Field
The invention relates to the technical field of power protection, in particular to a differential protection system of a branch phase-shifting transformer.
Background
The phase-shifting transformer is widely applied to various industrial and mining enterprises, is mainly used on the input side of a high-power frequency converter and a high-power direct-current power supply, and comprises a voltage regulation and current regulation transformer in the metallurgical industry, a blast furnace transformer and a current regulation transformer in the steel industry, a current regulation transformer in the subway industry and the front end of a frequency converter of various variable-frequency motors; the phase-shifting transformer adopts a mode of carrying out phase shifting at different angles by multiple branches respectively so as to achieve the purpose of reducing harmonic current, and differential protection is always the main protection of the power transformer; however, in the conventional differential protection device, the differential protection device is usually installed inside an instrument room on a switch cabinet, and if the differential protection device is abnormal, the differential protection device needs to be replaced, and the differential protection device cannot be conveniently installed and detached during replacement, so that time is wasted during replacement; when the existing differential protection device is used, when the differential protection device is connected with each part through a wire, the lines are mixed and disorderly, and cannot be classified, and if the lines are too strong when an instrument room door is opened and closed, the generated vibration easily causes the lines to be loosened, so that false alarm occurs, the vibration force cannot be buffered, and when the temperature is higher, a corresponding heat dissipation structure is not arranged, so that the temperature of the differential protection device is higher, the communication interruption is easy to occur, and the differential protection device is not convenient to monitor.
Disclosure of Invention
In view of the above, the invention provides a differential protection system for a branch phase-shifting transformer, which comprises an installation mechanism and a classification mechanism, and can be fixedly connected with a switch cabinet body through the installation mechanism and be connected with an embedding block through a sliding manner between an embedding groove and the embedding block, so that the differential protection device can be quickly and conveniently connected with an installation part, the embedding block is limited through an insertion block, the installation and the disassembly are more convenient, and cables connected with connecting pieces can be classified and fixed through the classification mechanism.
The invention provides a differential protection system of a branch phase-shifting transformer, which specifically comprises: the device comprises a protection mechanism, an installation mechanism, a classification mechanism and a heat dissipation mechanism;
the protection mechanism is a differential protection device body, and the protection mechanism comprises: the main body is of a rectangular structure, and is provided with a wire inlet hole; installation mechanism installs in the protection mechanism outside, and installation mechanism including: the mounting piece is of a rectangular structure, a rectangular hole is formed in the mounting piece, and the main body is mounted in the rectangular hole of the mounting piece; the classification mechanisms are arranged on the installation mechanism, and two groups of classification mechanisms are arranged; the heat dissipation mechanism is installed behind the installation mechanism, and the fixing piece on the heat dissipation mechanism is installed on the bearing piece on the installation mechanism.
Optionally, the protection mechanism further comprises: a connecting piece and an embedding block;
the connecting piece is of a rectangular structure, the connecting piece is provided with a wire inlet hole, the two sides of the connecting piece are provided with heat dissipation grooves, and the connecting piece is arranged at the rear of the main body; the mosaic block is the rectangle structure, is equipped with the rectangle through-hole on the mosaic block, and the mosaic block is installed in both sides about the connecting piece.
Optionally, the mounting mechanism further comprises: a carrier;
the carrier is rectangular structure, and the carrier bottom is equipped with the wedge arch, and the inside round hole that is equipped with of carrier, and both sides about the carrier is installed at the installed part to the carrier top contacts with the connecting piece.
Optionally, the mounting mechanism further comprises: embedding a groove;
the embedding groove is of a rectangular structure, is arranged at the top end inside the bearing piece and is internally provided with an embedding block.
Optionally, the mounting mechanism further comprises: the guide rod, the insert block and the pull handle;
the guide rod is of a cylindrical structure and is arranged in a circular hole on the bearing piece; the insert block is of a wedge-shaped structure, is arranged on the side edge of the guide rod and is positioned in the embedding groove, and is inserted into the rectangular through hole in the embedding block; the pull handle is of a rectangular structure, the upper side and the lower side of the pull handle are of arc structures, the pull handle is installed on the side edge of the guide rod, and the pull handle is connected with the side edge of the bearing piece through a spring on the guide rod.
Optionally, the sorting mechanism comprises: a baffle and a buffer rod;
the baffle is in a rectangular plate-shaped structure and is arranged on two sides of the top of the bearing piece; the buffer rod is cylindrical structure, is equipped with cylindrical arch on the buffer rod, and the buffer rod installs both sides about the baffle.
Optionally, the sorting mechanism further comprises: a buffer plate and a clamping piece;
the buffer plate is of a rectangular plate-shaped structure, round holes are formed in the buffer plate, buffer rods are arranged in the round holes in the buffer plate, and the buffer plate is connected with the baffle through springs on the buffer rods; the holder is cylindrical structure, and the holder side is equipped with the arc arch, and arc arch on the holder is the rubber material to the holder is installed at the buffer board side.
Optionally, the heat dissipation mechanism comprises: a fixed member and a side member;
the fixing piece is of a rectangular structure and is provided with a rectangular through hole, and rectangular bulges are arranged on the upper side and the lower side of the rectangular through hole of the fixing piece; the side member is the rectangle structure, and the side member is inside to be hollow column structure, and the side member is installed at the mounting rear.
Optionally, the heat dissipation mechanism further comprises: the device comprises a fan, a rotating disc and an air deflector;
the fan is of a cylindrical structure, blades are arranged on the fan, and the fan is arranged inside the side part; the rotating disc is of a circular structure, rectangular bulges are arranged inside the rotating disc, and the rotating disc is connected with the fan; the air deflector is of a wedge-shaped structure and is arranged between the rectangular bulges on the fixing piece.
Advantageous effects
According to the differential protection device of each embodiment of the invention, compared with the traditional differential protection device, if the differential protection device is abnormal, the differential protection device can be conveniently installed and detached, time is saved, in addition, when the differential protection device is installed, the connected circuits can be classified, in addition, if the excessive force is applied when the instrument room door is opened and closed, the generated vibration can buffer the vibration force transmitted by the cabinet door, and in addition, when the temperature is higher, the heat radiation structure can be used for radiating the differential protection device, and the problem of communication interruption caused by overheating is prevented.
In addition, through mosaic block and the installed part that sets up, the mosaic block here is installed inside the mosaic slot, and the installed part is connected with the main part suit through the rectangular hole, and then make when using, through passing the main part the rectangle through-hole of installed part, and then make mosaic block slide inside the mosaic slot, and mosaic block contacts with the inserted block while removing, make the inserted block drive the round hole inside removal on the carrier of guide bar, when mosaic block installs inside the mosaic slot completely, through the effect that the spring resets, make the inserted block insert inside the rectangle through-hole on mosaic block, and then installation main part that can be convenient, and during the dismantlement, through pulling the pull handle, make the guide bar drive the inserted block break away from the rectangular hole of mosaic block, and then can quick dismantlement.
In addition, through buffer beam and the holder that sets up, the buffer beam of here is installed on the baffle, and the holder is installed at the buffer board side, and then make when using, through the protruding inside with the arc of circuit screens on the holder, the arc arch on the holder sets up to the rubber material, can play the effect of better parcel to the cable, and still play insulating effect, and the vibrations that the cabinet door produced when closing, make the connecting piece drive the cable and produce vibrations, make the cable drive holder and buffer board and remove, and the buffer board is through removing and compression spring on the buffer beam, and then can prevent to shake and make the cable produce not hard up phenomenon.
In addition, through rotary disk and the aviation baffle that sets up, the rotary disk here is connected with the fan, and the aviation baffle is installed on the mounting, and then make when using, it is rotatory to drive the fan through the inside motor of side spare, and drive the rotary disk through the fan and lead the transmission away with wind, and then dispel the heat to the connector, the aviation baffle of here simultaneously sets up to wedge structure, and then can play the effect of direction to the wind that the fan blew off, and then can dispel the heat to the splice part, make the device temperature reduce, the better condition that prevents the communication interrupt produces.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic view of a partially exploded perspective structure according to an embodiment of the invention;
FIG. 2 shows a schematic diagram of a rear perspective structure according to an embodiment of the invention;
FIG. 3 shows a schematic view of a front perspective structure according to an embodiment of the invention;
FIG. 4 shows a schematic view of a bottom partially exploded perspective structure according to an embodiment of the invention;
FIG. 5 shows a schematic view of a three-dimensional structure of a protection mechanism according to an embodiment of the invention;
FIG. 6 illustrates a schematic view of an exploded perspective structure of a mounting mechanism in accordance with an embodiment of the present invention;
FIG. 7 shows a schematic view of an exploded perspective structure of a sorting mechanism according to an embodiment of the invention;
FIG. 8 illustrates a schematic diagram of an exploded perspective structure of a heat dissipation mechanism according to an embodiment of the present invention;
fig. 9 shows a schematic diagram of a partial enlargement of part a from fig. 1 according to an embodiment of the invention.
List of reference numerals
1. A protection mechanism;
101. a main body; 102. a connecting member; 103. embedding blocks;
2. an installation mechanism;
201. a mounting member; 202. a carrier; 203. embedding a groove; 204. a guide bar; 205. inserting a block; 206. pulling a handle;
3. a sorting mechanism;
301. a baffle plate; 302. a buffer rod; 303. a buffer plate; 304. a clamping member;
4. a heat dissipation mechanism;
401. a fixing member; 402. a side part; 403. a fan; 404. rotating the disc; 405. an air deflector.
Detailed Description
In order to make the objects, solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 9:
the invention provides a differential protection system of a branch phase-shifting transformer, which comprises: the device comprises a protection mechanism 1, an installation mechanism 2, a classification mechanism 3 and a heat dissipation mechanism 4;
Further, according to an embodiment of the present invention, as shown in fig. 5, the protection mechanism 1 further includes: a connector 102 and an inlay block 103; the connecting piece 102 is of a rectangular structure, a wire inlet hole is formed in the connecting piece 102, heat dissipation grooves are formed in two sides of the connecting piece 102, and the connecting piece 102 is installed behind the main body 101; the connector 102 is used for connecting with a cable and transmitting signals to the main body 101; the mosaic block 103 is of a rectangular structure, a rectangular through hole is formed in the mosaic block 103, and the mosaic block 103 is arranged on the upper side and the lower side of the connecting piece 102; here, the mosaic block 103 is used for being mounted inside the mosaic groove 203, and the rectangular through hole inside the mosaic block 103 is used for mounting the insert block 205.
Further, according to an embodiment of the present invention, as shown in fig. 6, the mounting mechanism 2 further includes: the device comprises a bearing 202, an embedding groove 203, a guide rod 204, an inserting block 205 and a pull handle 206; the bearing part 202 is of a rectangular structure, the bottom of the bearing part 202 is provided with a wedge-shaped protrusion, a round hole is formed in the bearing part 202, the bearing part 202 is arranged on the upper side and the lower side of the mounting part 201, and the top of the bearing part 202 is in contact with the connecting part 102; the bearing part 202 is used for opening the embedded groove 203; the embedding groove 203 is of a rectangular structure, the embedding groove 203 is formed in the top end inside the bearing part 202, and the embedding block 103 is installed inside the embedding groove 203; the mosaic groove 203 is used for being installed with the mosaic block 103 in a sliding way; the guide rod 204 is a cylindrical structure, and the guide rod 204 is installed inside a circular hole on the bearing part 202; the guide rod 204 is used for moving through the circular hole inside the bearing part 202, and further driving the insertion block 205 to move; the inserting block 205 is in a wedge-shaped structure, the inserting block 205 is installed on the side edge of the guide rod 204, the inserting block 205 is located inside the embedding groove 203, and the inserting block 205 is inserted into the rectangular through hole in the embedding block 103; the insertion block 205 is used for being arranged in a wedge-shaped structure, so that when the insertion block 205 is in contact with the mosaic block 103, the insertion block 205 drives the guide rod 204 to move in the round hole in the bearing element 202, the spring between the pull handle 206 and the bearing element 202 is stretched and clamped in the rectangular through hole in the mosaic block 103 through the resetting effect of the spring, and further the mosaic block 103 can be fixedly clamped; the pull handle 206 is in a rectangular structure, the upper side and the lower side of the pull handle 206 are in arc structures, the pull handle 206 is installed on the side of the guide rod 204, and the pull handle 206 is connected with the side of the bearing part 202 through a spring on the guide rod 204; the pull handle 206 is connected to the carrier 202 through a spring on the guide rod 204, so as to better limit the insert 103.
Further, according to an embodiment of the present invention, as shown in fig. 7, the sorting mechanism 3 includes: a baffle 301, a buffer rod 302, a buffer plate 303 and a clamp 304; the baffle 301 is in a rectangular plate-shaped structure, and the baffle 301 is arranged on two sides of the top of the bearing member 202; the baffle 301 is used for installing the buffer rod 302; the buffer rod 302 is of a cylindrical structure, a cylindrical bulge is arranged on the buffer rod 302, and the buffer rod 302 is arranged on the upper side and the lower side of the baffle 301; the buffer rod 302 is used for installing a buffer plate 303; the buffer plate 303 is of a rectangular plate-shaped structure, a round hole is formed in the buffer plate 303, a buffer rod 302 is installed in the round hole in the buffer plate 303, and the buffer plate 303 is connected with the baffle 301 through a spring on the buffer rod 302; the buffer plate 303 is used for compressing the spring on the buffer rod 302 while moving on the buffer rod 302, so as to prevent the line from loosening due to vibration when the cabinet door is closed; the clamping piece 304 is of a cylindrical structure, an arc-shaped bulge is arranged on the side edge of the clamping piece 304, the arc-shaped bulge on the clamping piece 304 is made of rubber, and the clamping piece 304 is arranged on the side edge of the buffer plate 303; the clamping piece 304 is used for classifying the lines, the arc-shaped protrusions on the clamping piece 304 are made of arc-shaped structures and rubber materials, the lines can be better surrounded and fixed, and the lines are classified by being provided with multiple groups.
Further, according to an embodiment of the present invention, as shown in fig. 8, the heat dissipation mechanism 4 includes: a fixed part 401, a side part 402, a fan 403, a rotating disc 404 and an air deflector 405; the fixing member 401 is of a rectangular structure, a rectangular through hole is formed in the fixing member 401, and rectangular protrusions are arranged on the upper side and the lower side of the rectangular through hole of the fixing member 401; here, the fixing member 401 is used for mounting the side member 402 and the air deflector 405; the side part 402 is of a rectangular structure, the inside of the side part 402 is of a hollow structure, and the side part 402 is arranged behind the fixing part 401; here the side piece 402 is used for mounting the fan 403; the fan 403 is a cylindrical structure, blades are arranged on the fan 403, and the fan 403 is arranged inside the side part 402; the fan 403 is used for driving the motor to rotate, so that the device can be cooled; the rotating disc 404 is of a circular ring structure, a rectangular bulge is arranged inside the rotating disc 404, and the rotating disc 404 is connected with the fan 403; the rotating disc 404 is driven by the fan 403 to rotate, so that heat can be dissipated from various positions of the device; the air deflector 405 is of a wedge-shaped structure, and the air deflector 405 is mounted between the rectangular protrusions on the fixing member 401; the air guide plate 405 is used for being arranged into a wedge-shaped structure, so that the air of the fan 403 can be better guided, the temperature at the junction is reduced, and the communication interruption phenomenon is prevented.
The specific use mode and function of the embodiment are as follows: in the invention, when the device is used, the main body 101 penetrates through the rectangular through hole of the mounting part 201, so that the insert block 103 slides in the insert groove 203, the insert block 103 is in contact with the insert block 205 while moving, the insert block 205 drives the guide rod 204 to move in the round hole on the bearing part 202, when the insert block 103 is completely mounted in the insert groove 203, the insert block 205 is inserted into the rectangular through hole on the insert block 103 through the action of spring reset, so that the main body 101 can be conveniently mounted, by clamping a circuit in the arc-shaped bulge on the clamping part 304, the arc-shaped bulge on the clamping part 304 is made of rubber materials, the cable can be better wrapped and insulated, and the vibration generated when the cabinet door is closed can cause the connecting part 102 to drive the cable to generate vibration, make the cable drive holder 304 and buffer plate 303 and remove, and buffer plate 303 is through removing and compression spring on buffer rod 302, and then can prevent that vibrations from making the cable produce not hard up phenomenon, when the temperature is higher in the cabinet, it is rotatory to drive fan 403 through the inside motor of side 402, and drive rotary disk 404 through fan 403 and transmit the wind direction, and then dispel the heat to connecting piece 102, aviation baffle 405 here sets up to wedge structure simultaneously, and then can play the effect of direction with the wind that blows off fan 403, and then can dispel the heat to the wiring part, make the device temperature reduce, the better condition that prevents the communication interrupt produces, and when dismantling, through pulling pull handle 206, make guide rod 204 drive inserted block 205 break away from the rectangular hole of inserted block 103, and then can be quick dismantlement.
Finally, it should be noted that, when describing the positions of the components and the matching relationship between the components, the invention will be generally exemplified by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (9)
1. A differential protection system for a branch phase-shifting transformer, comprising: the device comprises a protection mechanism (1), an installation mechanism (2), a classification mechanism (3) and a heat dissipation mechanism (4);
protection mechanism (1) is differential protection device body, and protection mechanism (1) including: the main body (101), the main body (101) is a rectangular structure, and the main body (101) is provided with a wire inlet hole; installation mechanism (2) are installed in protection mechanism (1) outside, and installation mechanism (2) including: the mounting piece (201), the mounting piece (201) is of a rectangular structure, a rectangular hole is formed in the mounting piece (201), and the main body (101) is installed in the rectangular hole of the mounting piece (201); the sorting mechanisms (3) are arranged on the mounting mechanism (2), and the sorting mechanisms (3) are provided with two groups; the heat dissipation mechanism (4) is installed behind the installation mechanism (2), and the fixing piece (401) on the heat dissipation mechanism (4) is installed on the bearing piece (202) on the installation mechanism (2).
2. The differential protection system of the branch phase-shifting transformer of claim 1, wherein: the protection mechanism (1) further comprises: a connecting piece (102) and an embedding block (103);
the connecting piece (102) is of a rectangular structure, a wire inlet hole is formed in the connecting piece (102), heat dissipation grooves are formed in two sides of the connecting piece (102), and the connecting piece (102) is installed behind the main body (101); the mosaic block (103) is of a rectangular structure, a rectangular through hole is formed in the mosaic block (103), and the mosaic block (103) is arranged on the upper side and the lower side of the connecting piece (102).
3. The differential protection system of the branch phase-shifting transformer of claim 2, wherein: the mounting mechanism (2) further comprises: a carrier (202);
the bearing piece (202) is of a rectangular structure, the bottom of the bearing piece (202) is provided with a wedge-shaped protrusion, a round hole is formed in the bearing piece (202), the bearing piece (202) is installed on the upper side and the lower side of the installation piece (201), and the top of the bearing piece (202) is in contact with the connecting piece (102).
4. The differential protection system of the branch phase-shifting transformer of claim 3, wherein: the mounting mechanism (2) further comprises: a damascene trench (203);
the embedding groove (203) is of a rectangular structure, the embedding groove (203) is formed in the top end inside the bearing piece (202), and the embedding block (103) is installed inside the embedding groove (203).
5. The differential protection system of the branch phase-shifting transformer of claim 4, wherein: the mounting mechanism (2) further comprises: a guide rod (204), an insertion block (205) and a pull handle (206);
the guide rod (204) is of a cylindrical structure, and the guide rod (204) is installed inside a circular hole in the bearing piece (202); the insertion block (205) is of a wedge-shaped structure, the insertion block (205) is installed on the side edge of the guide rod (204), the insertion block (205) is located inside the embedding groove (203), and the insertion block (205) is inserted into the rectangular through hole in the embedding block (103); the pull handle (206) is in a rectangular structure, the upper side and the lower side of the pull handle (206) are in arc structures, the pull handle (206) is installed on the side edge of the guide rod (204), and the pull handle (206) is connected with the side edge of the bearing piece (202) through a spring on the guide rod (204).
6. The differential protection system of the branch phase-shifting transformer of claim 3, wherein: the sorting mechanism (3) comprises: a baffle plate (301) and a buffer rod (302);
the baffle (301) is of a rectangular plate-shaped structure, and the baffle (301) is arranged on two sides of the top of the bearing piece (202); buffer beam (302) are cylindrical structure, are equipped with cylindrical arch on buffer beam (302), and both sides about baffle (301) are installed in buffer beam (302).
7. The differential protection system of the branch phase-shifting transformer of claim 6, wherein: the sorting mechanism (3) further comprises: a buffer plate (303) and a clamp (304);
the buffer plate (303) is of a rectangular plate-shaped structure, round holes are formed in the buffer plate (303), a buffer rod (302) is installed in the round holes in the buffer plate (303), and the buffer plate (303) is connected with the baffle (301) through springs on the buffer rod (302); the clamping piece (304) is of a cylindrical structure, the side edge of the clamping piece (304) is provided with an arc-shaped bulge, the arc-shaped bulge on the clamping piece (304) is made of rubber, and the clamping piece (304) is installed on the side edge of the buffer plate (303).
8. The differential protection system of the branch phase-shifting transformer of claim 1, wherein: the heat dissipation mechanism (4) includes: a fixed member (401) and a side member (402);
the fixing piece (401) is of a rectangular structure, a rectangular through hole is formed in the fixing piece (401), and rectangular protrusions are arranged on the upper side and the lower side of the rectangular through hole of the fixing piece (401); the side member (402) is of a rectangular structure, the interior of the side member (402) is of a hollow structure, and the side member (402) is installed behind the fixing member (401).
9. The differential protection system of a branch phase shifting transformer of claim 8, wherein: the heat dissipation mechanism (4) further comprises: a fan (403), a rotating disc (404) and an air deflector (405);
the fan (403) is of a cylindrical structure, blades are arranged on the fan (403), and the fan (403) is arranged inside the side part (402); the rotating disc (404) is of a circular structure, a rectangular bulge is arranged inside the rotating disc (404), and the rotating disc (404) is connected with the fan (403); the air deflector (405) is of a wedge-shaped structure, and the air deflector (405) is arranged between the rectangular bulges on the fixing piece (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210625790.7A CN115173259B (en) | 2022-06-02 | 2022-06-02 | Differential protection system of branch phase-shifting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210625790.7A CN115173259B (en) | 2022-06-02 | 2022-06-02 | Differential protection system of branch phase-shifting transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115173259A true CN115173259A (en) | 2022-10-11 |
| CN115173259B CN115173259B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210625790.7A Active CN115173259B (en) | 2022-06-02 | 2022-06-02 | Differential protection system of branch phase-shifting transformer |
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| CN (1) | CN115173259B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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|---|---|
| CN115173259B (en) | 2023-12-29 |
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