CN217720277U - Switch cabinet - Google Patents
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- CN217720277U CN217720277U CN202221861730.7U CN202221861730U CN217720277U CN 217720277 U CN217720277 U CN 217720277U CN 202221861730 U CN202221861730 U CN 202221861730U CN 217720277 U CN217720277 U CN 217720277U
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Abstract
The utility model relates to a switch cabinet, which comprises a cabinet body and a circuit breaker handcart assembly, wherein a circuit breaker chamber, a cable chamber and a bus chamber are arranged in the cabinet body, a first contact group is arranged in the bus chamber, and a second contact group is arranged in the cable chamber; the middle-mounted circuit breaker handcart assembly comprises a circuit breaker, a linkage mechanism, a first movable door and a second movable door, wherein the circuit breaker is connected with the first movable door and the second movable door through the linkage mechanism, and the moving directions of the first movable door and the second movable door are opposite; when the circuit breaker is in a switching-on position, the first movable door and the second movable door are both in an opening position, and the circuit breaker is connected with the first contact group and the second contact group; when the circuit breaker is in the opening position, the first movable door and the second movable door are both in the closing position, and the circuit breaker is disconnected with the first contact group and the second contact group. The switch cabinet of this scheme has improved space utilization.
Description
Technical Field
The utility model belongs to the technical field of electrical control equipment, concretely relates to switch cabinet.
Background
The high-voltage switchgear cabinets of today comprise at least a circuit breaker compartment, a busbar compartment and a cable compartment. When the middle-mounted circuit breaker handcart assembly is installed in the circuit breaker chamber, the bus chamber and the cable chamber of the middle-mounted circuit breaker handcart assembly are generally at least partially located on the same side of the circuit breaker chamber, so that when the handcart-type circuit breaker is switched on, a plurality of contacts in the bus chamber and a plurality of contacts in the cable chamber are connected with the handcart-type circuit breaker in the circuit breaker chamber.
In addition, for matching a handcart component of the circuit breaker, a contact in a bus chamber and a contact in a cable chamber are generally designed in the middle of the high-voltage switch cabinet, and the bus chamber and the cable chamber are simultaneously sealed and covered by a detachable baffle plate when the handcart-type circuit breaker is switched off, and when the handcart-type circuit breaker is switched on, the baffle plate is moved to one end of the high-voltage switch cabinet from the middle area of the corresponding contact of the high-voltage switch cabinet, and the contacts in the bus chamber and the cable chamber are exposed, so that the handcart-type circuit breaker is switched on.
The space from the middle area of the corresponding contact of the high-voltage switch cabinet to the two ends of the high-voltage switch cabinet is limited, parts in the high-voltage switch cabinet are complex in a staggered mode, and especially the high-voltage switch cabinet with a middle-mounted circuit breaker handcart assembly is difficult to completely move a baffle from the middle area of the high-voltage switch cabinet to one end of the high-voltage switch cabinet under the condition that original electrical equipment in the high-voltage switch cabinet is not changed. Consequently, only through the mode that increases certain one end space of high tension switchgear inside with the removal that makes things convenient for the baffle, however, this mode has caused high tension switchgear's whole great of volume, and space utilization is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cubical switchboard, it has improved space utilization.
The utility model discloses the first aspect provides a switch cabinet, include:
the intelligent cabinet comprises a cabinet body, wherein a circuit breaker chamber, a cable chamber and a bus chamber are arranged in the cabinet body, a first contact group is arranged in the bus chamber, and a second contact group is arranged in the cable chamber;
the circuit breaker handcart assembly comprises a circuit breaker, a linkage mechanism, a first movable door and a second movable door, wherein the circuit breaker is movably arranged in the circuit breaker chamber and is connected with the first movable door and the second movable door through the linkage mechanism, the circuit breaker can move between a switching-on position and a switching-off position and drives the first movable door and the second movable door to move between an opening position and a closing position through the linkage mechanism, and the moving directions of the first movable door and the second movable door are opposite; wherein the content of the first and second substances,
when the circuit breaker is in a switching-on position, the first movable door and the second movable door are both in an opening position, at the moment, the circuit breaker chamber is communicated with the cable chamber and the bus chamber, and the circuit breaker is connected with the first contact group and the second contact group;
when the circuit breaker is in the separating brake position, first dodge gate with the second dodge gate all is in the closed position, at this moment, the circuit breaker room with the cable chamber with be the encapsulated situation between the bus-bar room, the circuit breaker with first contact group and the disconnection of second contact group sets up.
In an exemplary embodiment of the present invention, during the switching of the circuit breaker from the opening position to the closing position, the first movable door and the second movable door move away from each other;
in the process that the breaker is switched from the switching-on position to the switching-off position, the first movable door and the second movable door move towards the direction of approaching each other.
In an exemplary embodiment of the present invention, the circuit breaker is provided with a connecting plate, a first positioning plate and a second positioning plate, which are oppositely disposed, and the first positioning plate and the second positioning plate are respectively connected to two sides of the connecting plate and form a sliding groove;
the linkage mechanism comprises a mounting seat, a first movable piece and a second movable piece,
the mounting seat is arranged in the breaker chamber;
the first movable piece is provided with a first overlapping end and a first connecting end, a first rolling shaft is further mounted on the side face of the first overlapping end, when the breaker is located at a brake separating position, the first rolling shaft is located outside the sliding groove and is arranged opposite to the end face of the first positioning plate, when the breaker is located at a brake closing position, the first rolling shaft is located in the sliding groove, and the first connecting end is connected with the first movable door;
the second moving part is provided with a second overlapping end and a second connecting end, a second roller is further mounted on the side face of the second overlapping end, when the breaker is in a brake separating position, the second roller is located outside the sliding groove and is opposite to the end face of the second positioning plate, when the breaker is in a brake closing position, the second roller is located in the sliding groove, the second connecting end is connected with the second movable door, and the first overlapping end and the second overlapping end are hinged to the same shaft lever of the mounting base.
In an exemplary embodiment of the present invention, a guide rod is further installed in the circuit breaker chamber, an axis of the guide rod is parallel to a height direction of the cabinet body, the first movable door and the second movable door are both connected to the guide rod, and move along the axis direction of the guide rod.
In an exemplary embodiment of the present invention, the guide bar is provided with a first stopper and a second stopper at an interval, wherein,
when the circuit breaker is in a brake separating position, the first movable door is abutted against one side, far away from the second limiting block, of the first limiting block; the second movable door is abutted against one side, far away from the first limiting block, of the second limiting block.
In an exemplary embodiment of the present invention, the first movable member includes a first movable portion and a second movable portion, the second movable portion is connected between the first movable door and the first movable portion in an inclined manner, the first overlapping end is disposed on the first movable portion, and the first connecting end is disposed on the second movable portion;
the second movable part comprises a third movable part and a fourth movable part, the fourth movable part is obliquely connected between the first movable door and the third movable part, the second overlapping end is arranged on the third movable part, and the second connecting end is arranged on the fourth movable part.
In an exemplary embodiment of the present invention, the linkage mechanism further comprises an elastic restoring member, which is installed between the first movable portion and the third movable portion, wherein,
when the circuit breaker is in a switching-on position, the elastic resetting piece is elastically compressed and deformed;
when the breaker is in the opening position, the elastic reset piece recovers elastic deformation.
In an exemplary embodiment of the present invention, the switch cabinet further includes a plurality of upper branch copper bars and a plurality of first stationary contact boxes, the first contact group includes a plurality of first stationary contacts, a plurality of the first stationary contacts are installed in the plurality of first stationary contact boxes in a one-to-one correspondence, and the plurality of upper branch copper bars are connected to the plurality of first stationary contact boxes, each of the first stationary contact boxes is respectively fixed on the sidewall of the bus bar room close to the circuit breaker room, wherein,
and a first insulator is connected between the upper branch copper bar and the side wall of the bus chamber.
In an exemplary embodiment of the present invention, the switch cabinet further includes a plurality of middle branch copper bars and a plurality of second static contact boxes, the second contact box includes a plurality of second static contacts, a plurality of second static contacts are installed in the plurality of second static contact boxes in a one-to-one correspondence, and a plurality of middle branch copper bars are connected to the plurality of second static contact boxes, each of the second static contact boxes is fixed on the sidewall of the cable chamber close to the circuit breaker chamber, wherein,
and a second insulator is connected between the middle branch copper bar and the side wall of the cable chamber.
In an exemplary embodiment of the present invention, the maximum diameters of the first insulator and the second insulator are both greater than 85mm and are both less than or equal to 120mm; and/or the presence of a gas in the atmosphere,
the creepage distance between the first insulator and the second insulator is 269mm.
The utility model discloses the beneficial effect of scheme:
the circuit breaker of the switch cabinet of the utility model is connected with the first movable door and the second movable door through the linkage mechanism, and drives the first movable door and the second movable door to be respectively in respective opening positions when the circuit breaker is switched between the closing position and the opening position, so that the circuit breaker chamber is communicated with the cable chamber and the bus chamber, and the circuit breaker is conveniently connected with the first contact group and the second contact group; or the first movable door and the second movable door are driven to be respectively positioned at respective closing positions, so that the breaker chamber, the cable chamber and the bus chamber are in a closed state, and maintenance personnel are prevented from entering the cable chamber and the bus chamber by mistake.
When the first movable door and the second movable door are driven by the circuit breaker to move in opposite directions, that is, when the first movable door and the second movable door are switched from the closed position to the open position, the first movable door and the second movable door are respectively located on two sides of a whole formed by the first contact group and the second contact group, or the first movable door and the second movable door are both located in a gap between the first contact group and the second contact group. Therefore, the probability that the whole first movable door and the whole second movable door are completely moved to the side, away from the second contact group, of the first contact group is avoided; or, the probability that the whole first movable door and the whole second movable door completely move to the side, away from the first contact group, of the second contact group is avoided, and then the space at one end of the cabinet body is not required to be additionally increased, so that the possibility that the space between the first contact group or the second contact group and one end of the cabinet body is not enough to realize the movement of the whole first movable door and the second movable door is prevented to a certain extent.
To sum up, this cubical switchboard not only can prevent that maintenance personal from mistake from going into cable chamber and bus-bar room, has still improved the internal space utilization of cabinet.
Other features and advantages of the invention will be apparent from the following detailed description, or may be learned by practice of the invention in part.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 shows a schematic cross-sectional structure diagram of a switch cabinet according to an embodiment of the present invention;
fig. 2 shows a schematic partial structure diagram of a switch cabinet according to an embodiment of the present invention;
fig. 3 shows a schematic view of a partial structure of the switchgear cabinet shown in fig. 2 according to the present invention;
fig. 4 shows a schematic view of a partial structure of the switch cabinet of fig. 3 according to the present invention;
fig. 5 shows a schematic partial structure diagram of a switch cabinet according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view of a switch cabinet a shown in fig. 5 according to the present invention;
fig. 7 is an enlarged schematic view of the switch cabinet of fig. 6 according to the present invention;
fig. 8 shows an enlarged schematic structure of the connecting seat of the circuit breaker of the present invention.
Description of the reference numerals:
10. a cabinet body; 11. a first contact group; 111. a first fixed contact; 112. a first stationary contact box; 12. a second contact group; 121. a second fixed contact; 122. a second stationary contact box; 13. a linkage mechanism; 131. a first movable door; 132. a second movable door; 133. a mounting seat; 134. a first movable member; 1341. a first movable portion; 1342. a second movable portion; 1343. a first roller; 135. a second movable member; 1351. a third movable portion; 1352. a fourth movable portion; 1353. a second roller; 136. an elastic restoring member; 14. a guide rod; 15. an upper branch copper bar; 16. a first insulator; 17. copper bars are divided in the middle; 18. a second insulator; 19. a pressure relief device; 21. a lower branch copper bar; 22. a third insulator; 23. a primary grounding system; 24. a heat dissipation cover; 25. a cable chamber door; 26. a circuit breaker chamber door; 27. an instrument room door; 28. punching a copper bar; 29. a first separator; 31. a second separator; 32. a first positioning plate; 33. a second positioning plate; 34; a connecting plate; 35. a positioning part; 36. a flap portion; 101. a sliding groove; a. a circuit breaker chamber; b. a cable chamber; c. a bus chamber; d. an instrument room.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is essential. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the invention.
Referring to fig. 1 to 8, an embodiment of the present invention provides a switch cabinet. The switchgear includes a cabinet body 10 and a mid-line circuit breaker trolley assembly.
In the present embodiment, a circuit breaker chamber a, a cable chamber b, a bus bar chamber c, and an instrument chamber d, which are independent of each other, are provided in the cabinet 10, and a circuit breaker chamber door 26, a cable chamber door 25, and an instrument chamber door 27, which open and close the circuit breaker chamber a, the cable chamber b, and the instrument chamber d, respectively, are provided.
Optionally, a first partition 29 and a second partition 31 are disposed in the cabinet 10, the first partition 29 and the second partition 31 are vertically connected and integrally form an "L" shaped partition, the first partition 29 and the second partition 31 together divide the space inside the cabinet 10 into two small compartments, one of which is the "L" shaped compartment, and the other of which is a rectangular parallelepiped shaped compartment, the rectangular parallelepiped shaped compartment is overlapped above the "L" shaped compartment, and the switch cabinet is integrally rectangular, so as to design the installation position of the cabinet 10.
In addition, the cable chamber b and the bus-bar chamber c are respectively positioned in the L-shaped compartment, the bus-bar chamber c is positioned above the L-shaped compartment and is arranged close to one side of the breaker chamber a, and the rest part is the cable chamber b; the instrument chamber d and the breaker chamber a are respectively positioned in the cuboid-shaped compartments; and the instrument room d is arranged at the upper part in the cuboid compartment and is far away from one side of the bus room c, and the rest part is a breaker room a.
In the present embodiment, a first contact group 11 is provided in the bus bar chamber c, and a second contact group 12 is provided in the cable chamber b.
For example, as shown in fig. 3, the first contact group 11 includes 3 first fixed contacts 111, and the fixed contacts are arranged at intervals on the same horizontal line in the width direction of the cabinet 10; the second contact group 12 includes 3 second fixed contacts 121, and they are arranged at intervals on the same horizontal line. Each of the first fixed contact 111 and the second fixed contact 121 is disposed up and down in the height direction of the cabinet 10.
Further, the circuit breaker handcart assembly comprises a circuit breaker (not shown), the circuit breaker is provided with 6 tulip contacts matched with the first fixed contact 111 and the second fixed contact 121, the 6 tulip contacts are arranged on the circuit breaker in an upper row and a lower row, and each row is three, so as to be conveniently and correspondingly connected with the first fixed contact 111 and the second fixed contact 121 in a contact manner.
Optionally, the circuit breaker handcart assembly is a central circuit breaker handcart assembly, namely the circuit breaker handcart assembly is correspondingly installed in the middle area of the cabinet body 10, and the circuit breaker handcart assembly further comprises a handcart installed in the circuit breaker chamber a, and the circuit breaker is installed on the handcart and drives the circuit breaker to move through the handcart.
In this embodiment, as shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7, the circuit breaker handcart assembly further includes a linkage mechanism 13, a first movable door 131 and a second movable door 132, and the circuit breaker is movably disposed in the circuit breaker chamber a and connected to the first movable door 131 and the second movable door 132 through the linkage mechanism 13.
The circuit breaker can move between a closing position and an opening position, and the linkage mechanism 13 drives the first movable door 131 and the second movable door 132 to move between the opening position and the closing position, and the moving directions of the first movable door 131 and the second movable door 132 are opposite.
It should be understood that, when the circuit breaker is in the closing position, the first movable door 131 and the second movable door 132 are both in the opening position, and at this time, the circuit breaker chamber a is in a communication state with the cable chamber b and the bus chamber c, and the circuit breaker is connected with the first fixed contact 111 and the second fixed contact 121; when the circuit breaker is in the opening position, the first movable door 131 and the second movable door 132 are both in the closing position, and at this time, the circuit breaker chamber a, the cable chamber b and the bus chamber c are in a closed state, and the circuit breaker is disconnected from the first fixed contact 111 and the second fixed contact 121, so that maintenance personnel can replace or maintain the circuit breaker conveniently.
Based on this, the circuit breaker of the switch cabinet of the present invention is connected to the first movable door 131 and the second movable door 132 through the linkage mechanism 13, and when the circuit breaker is switched between the closing position and the opening position, the first movable door 131 and the second movable door 132 are driven to be respectively located at their respective opening positions, so that the circuit breaker chamber a is communicated with the cable chamber b and the bus bar chamber c, and the circuit breaker is conveniently connected to the first contact group 11 and the second contact group 12; or, the first movable door 131 and the second movable door 132 are driven to be in respective closed positions, so that the circuit breaker chamber a, the cable chamber b and the bus bar chamber c are in a closed state, and a maintenance worker is prevented from entering the cable chamber b and the bus bar chamber c by mistake.
When the first movable door 131 and the second movable door 132 are driven by the circuit breaker to move in opposite directions, that is, when the first movable door 131 and the second movable door 132 are switched from the closed position to the open position, the first movable door 131 and the second movable door 132 are respectively located at two sides of the whole body formed by the first contact group 11 and the second contact group 12, or the first movable door 131 and the second movable door 132 are both located at a gap between the first contact group 11 and the second contact group 12. Therefore, the chance that the entire first movable door 131 and second movable door 132 move completely to the side of the first contact group 11 away from the second contact group 12 is avoided; or, the probability that the whole first movable door 131 and the whole second movable door 132 completely move to the side of the second contact group 12 far away from the first contact group 11 is avoided, and then the possibility that the space between the first contact group 11 or the second contact group 12 and the certain end of the cabinet 10 is not enough to realize the movement of the whole first movable door 131 and the second movable door 132 can be prevented to a certain extent without additionally increasing the space of the certain end of the cabinet 10.
In conclusion, the switch cabinet can prevent maintenance personnel from entering the cable chamber b and the bus chamber c by mistake, and the space utilization rate in the cabinet body 10 is improved.
In this embodiment, the first partition 29 is provided with a plurality of first through holes and a plurality of second through holes, the plurality of first through holes are disposed in one-to-one correspondence with the first fixed contacts 111 of the first contact group 11, and the plurality of second through holes are disposed in one-to-one correspondence with the second fixed contacts 121 of the second contact group 12.
When the first movable door 131 and the second movable door 132 are located at the open positions, the circuit breaker can be connected with the first fixed contact 111 and the second fixed contact 121 through the first through hole and the second through hole; when the first and second movable doors 131 and 132 are in the closed position, the first and second movable doors 131 and 132 cover the first and second through holes, respectively.
In some embodiments, during the process of switching the circuit breaker from the opening position to the closing position, the first movable door 131 and the second movable door 132 move in a direction away from each other; in the process of switching the breaker from the on position to the off position, the first movable door 131 and the second movable door 132 move in a direction to approach each other.
It should be understood that the circuit breaker handcart assembly is installed in the middle region of the cabinet 10 along the height direction of the cabinet 10, therefore, the first contact group 11 in the bus bar compartment c and the second contact group 12 in the cable compartment b are circuit breakers matching the circuit breaker handcart assembly, and are also installed in the middle region of the cabinet 10 along the height direction of the cabinet 10, and the distance between the first contact group 11 and the second contact group 12 along the height direction of the cabinet 10 is small, which is generally insufficient to enable the first movable door 131 and the second movable door 132 to be located in the interval region between the first contact group 11 and the second contact group 12 when the first movable door 131 and the second movable door 132 are in the open position, so that during the circuit breaker is switched from the switching-off position to the switching-on position, the first movable door 131 and the second movable door 132 move in the directions away from each other, which can ensure that neither of the first movable door 131 and the second movable door 132 interferes with the connection of the circuit breaker with the first contact group 11 and the second contact group 12.
In some embodiments, as shown in fig. 7, the circuit breaker is provided with a connecting base, the connecting base includes a connecting plate 34, a first positioning plate 32 and a second positioning plate 33 which are oppositely arranged, the first positioning plate 32 and the second positioning plate 33 are respectively connected to two sides of the connecting plate 34, and a sliding groove 101 is formed.
Illustratively, the first positioning board 32 and the second positioning board 33 are respectively connected to two sides of the connecting board 34 to form a U-shaped seat.
The second positioning board 33 and the first positioning board 32 are both L-shaped. That is, the second positioning plate 33 and the first positioning plate 32 both include a positioning portion 35 and an ear portion 36 connected vertically, the ear portion 36 of the first positioning plate 32 is located on a side of the first positioning plate 32 away from the second positioning plate 33, the ear portion 36 of the second positioning plate 33 is located on a side of the second positioning plate 33 away from the first positioning plate 32, and a sliding groove 101 is formed between the second positioning plate 33 and the two positioning portions 35 of the first positioning plate 32.
In some embodiments, linkage 13 includes a mount 133, a first movable member 134, and a second movable member 135.
Further, as shown in fig. 6 and 7, the first movable member 134 is provided with a first overlapping end and a first connecting end, and the first connecting end is connected with the first movable door 131; a first roller 1343 is further installed on a side surface of the first overlapping end, when the circuit breaker is in the opening position, the first roller 1343 is located outside the sliding slot 101 and is disposed opposite to the end surface of the first positioning plate 32 (i.e., disposed opposite to the ear plate portion 36 of the first positioning plate 32), and when the circuit breaker is in the closing position, the first roller 1343 is located inside the sliding slot 101.
Further, the second movable piece 135 is provided with a second overlapping end and a second connecting end, and the second connecting end is connected with the second movable door 132; a second roller 1353 is further installed at a side of the second overlapping end, when the circuit breaker is in the opening position, the second roller 1353 is located outside the sliding groove 101 and is opposite to the end surface of the second positioning plate 33 (i.e., opposite to the ear plate portion 36 of the second positioning plate 33), and when the circuit breaker is in the closing position, the second roller 1353 is located inside the sliding groove 101.
Further, a mounting seat 133 is installed in the breaker chamber a, and the first overlapping end and the second overlapping end are hinged on the same shaft of the mounting seat 133.
Alternatively, there may be two linkage mechanisms 13, and the two linkage mechanisms 13 are symmetrically connected to the circuit breaker and two sides of the entire first movable door 131 and the second movable door 132, respectively, so as to apply balanced maximum force to the first movable door 131 and the second movable door 132. Correspondingly, two sides of the breaker are respectively provided with a U-shaped seat body to match with the installation linkage mechanism 13.
In the embodiment, as shown in fig. 7 and 8, when the circuit breaker is switched from the switching position to the switching position, the ear plate portions 36 of the first positioning plate 32 and the second positioning plate 33 first abut against the first roller 1343 and the second roller 1353, and then the circuit breaker is pushed by an external force, so that the first roller 1343 and the second roller 1353 rotate on the ear plate portions 36 of the first positioning plate 32 and the second positioning plate 33 until the first roller 1343 and the second roller 1353 rotate into the sliding slot 101 and can move along the slot wall of the sliding slot 101. When the circuit breaker is switched from the on position to the off position, the first roller 1343 and the second roller 1353 move from the inside of the sliding slot 101 to the outside of the sliding slot 101, and return to the initial position to be disposed opposite to the ear plate portions 36 of the first positioning plate 32 and the second positioning plate 33.
When the first roller 1343 and the second roller 1353 abut against the ear plate portion 36, the distance between the first roller 1343 and the second roller 1353 is greater than the distance between the first roller 1343 and the second roller 1353 in the sliding groove 101, that is, when the first roller 1343 and the second roller 1353 move from the ear plate portion 36 of the first positioning plate 32 and the second positioning plate 33 to the sliding groove 101, the distance between the first roller 1343 and the second roller 1353 decreases, so as to drive the distance between the first movable member 134 and the second movable member 135 to decrease; correspondingly, after the first roller 1343 and the second roller 1353 move from the inside of the sliding groove 101 to the outside of the sliding groove 101 and are disposed opposite to the ear plate portions 36 of the first positioning plate 32 and the second positioning plate 33, the distance between the first roller 1343 and the second roller 1353 increases, so as to drive the distance between the first movable member 134 and the second movable member 135 to increase; eventually, the distance between the first movable door 131 and the second movable door 132 is changed, so that the first movable door 131 and the second movable door 132 can be switched between the closed position or the open position.
Optionally, after the first roller 1343 and the second roller 1353 move from the inside of the sliding slot 101 to the outside of the sliding slot 101, the first roller 1343 and the second roller 1353 are correspondingly disposed on the ear plate portions 36 of the first positioning plate 32 and the second positioning plate 33 near the positioning portion 35, respectively, so that the first roller 1343 and the second roller 1353 can smoothly roll into the sliding slot 101.
In some embodiments, the first movable member 134 includes a first movable portion 1341 and a second movable portion 1342, the second movable portion 1342 is connected between the first movable door 131 and the first movable portion 1341 in an inclined manner, the first overlapping end is disposed on the first movable portion 1341, and the first connecting end is disposed on the second movable portion 1342; the second moving member 135 includes a third moving portion 1351 and a fourth moving portion 1352, the fourth moving portion 1352 is connected obliquely between the first moving door 131 and the third moving portion 1351, a second overlapping end is provided on the third moving portion 1351, and a second connecting end is provided on the fourth moving portion 1352.
Alternatively, the first and third moving portions 1341 and 1351 are located in the breaker chamber a along the width direction of the cabinet 10, and the second and fourth moving portions 1342 and 1352 are obliquely located in the breaker chamber a along the height direction of the cabinet 10.
It should be understood that, by obliquely connecting the second movable portion 1342 of the first movable member 134 between the first movable door 131 and the first movable portion 1341, and obliquely connecting the fourth movable portion 1352 of the second movable member 135 between the first movable door 131 and the third movable portion 1351, the transmission direction of the force of the first movable member 134 and the second movable member 135 can be changed, so that the transverse thrust of the circuit breaker can be finally converted into the longitudinal thrust along the height direction of the cabinet 10.
In some embodiments, the linkage mechanism 13 further includes an elastic reset member 136, the elastic reset member 136 is installed between the first movable portion 1341 and the third movable portion 1351, wherein the elastic reset member 136 is elastically compressed and deformed when the circuit breaker is in the closing position; when the circuit breaker is in the opening position, the elastic resetting piece 136 restores the elastic deformation.
Alternatively, the elastic restoring member 136 is, for example, a torsion spring, and both ends of the torsion spring are connected to the first movable portion 1341 and the third movable portion 1351, respectively.
It should be understood that, when the first movable member 134 and the second movable member 135 are switched from the opening position to the closing position of the circuit breaker, the first movable member 134 and the second movable member 135 elastically press the elastic reset element 136 respectively until the distance between the first movable member 134 and the second movable member 135 is reduced to a predetermined distance, so that the first movable door 131 and the second movable door 132 cover the first through hole and the second through hole; when the first movable member 134 and the second movable member 135 are switched from the closing position to the opening position of the circuit breaker, the elastic resetting member 136 gradually restores the elastic deformation, and the first movable member 134 and the second movable member 135 return to the initial positions by the elastic tension of the elastic resetting member.
In some embodiments, a guide bar 14 is further installed in the breaker chamber a, an axis of the guide bar 14 is parallel to a height direction of the cabinet 10, and the first movable door 131 and the second movable door 132 are connected to the guide bar 14 and move along the axis direction of the guide bar 14, so as to ensure that the first movable door 131 and the second movable door 132 precisely move along a predetermined path.
Illustratively, the guide bar 14 is vertically attached to the bottom wall of the breaker chamber a.
It should be understood that, when the first movable door 131 moves upward along the axial direction of the guide bar 14, the second movable door 132 moves downward along the axial direction of the guide bar 14; when the second shutter door 132 moves upward along the axial direction of the guide bar 14, the first shutter door 131 moves downward along the axial direction of the guide bar 14.
In some embodiments, the guide rod 14 is provided with a first stopper and a second stopper at an interval, wherein when the circuit breaker is in the opening position, the first movable door 131 abuts against one side of the first stopper, which is far away from the second stopper; the second movable door 132 abuts against one side of the second stopper far away from the first stopper.
It should be understood that, through the arrangement of the first limiting block and the second limiting block, it can be ensured that the first movable door 131 and the second movable door 132 do not excessively move, and the first movable door 131 and the second movable door 132 can be prevented from sliding downwards in the height direction of the cabinet 10 to a certain extent.
In some embodiments, the switch cabinet further includes a plurality of upper branch copper bars 15 and a plurality of first fixed contact 111 boxes, each first fixed contact 111 is installed in the plurality of first fixed contact 111 boxes in a one-to-one correspondence manner, the plurality of upper branch copper bars 15 are connected with the plurality of first fixed contact 111 boxes, each first fixed contact 111 box is respectively fixed on a sidewall of the bus bar room c close to the circuit breaker room a, wherein a first insulator 16 is connected between the upper branch copper bars 15 and the sidewall of the bus bar room c, so as to increase the tolerance of the upper branch copper bars 15.
In some embodiments, the switch cabinet further includes a plurality of middle branch copper bars 17 and a plurality of second fixed contact 121 boxes, each second fixed contact 121 is installed in the plurality of second fixed contact 121 boxes in a one-to-one correspondence manner, the plurality of middle branch copper bars 17 are connected with the plurality of second fixed contact 121 boxes, each second fixed contact 121 box is respectively fixed on a side wall of the cable chamber b close to the circuit breaker chamber a, wherein a second insulator 18 is connected between the middle branch copper bars 17 and the side wall of the cable chamber b, and thus the tolerance capability of the middle branch copper bars 17 is increased.
In some embodiments, the maximum diameter of each of the first insulator 16 and the second insulator 18 is greater than 85mm, and is less than or equal to 120mm, optionally 100mm; the creepage distance between the first insulator 16 and the second insulator 18 is 269, so that the first insulator 16 and the second insulator 18 are reinforced, and the tolerance of the upper branch copper bar 15 and the tolerance of the middle branch copper bar 17 are further improved.
In some embodiments, the breaker chamber a, the cable chamber b and the bus bar chamber c have their respective pressure relief passages except for the meter chamber d. The pressure relief device 19 is arranged above the breaker chamber a, the bus chamber c and the cable chamber b, when the internal fault arc occurs to the breaker or the bus, the internal air pressure of the switch cabinet rises along with the occurrence of the arc, the front of the cabinet body 10 is sealed by the sealing ring arranged on the door, the pressure relief metal plate arranged at the top of the switch cabinet is automatically opened to release pressure and exhaust gas, so that the safety of an operator and the switch cabinet is ensured.
In some embodiments, the switch cabinet further comprises a shell, wherein the shell is mainly made of aluminum-zinc-coated steel plates with strong corrosion resistance and assembled by bending through a CNC (computer numerical control) machine tool; the cabinet body 10 is of an assembled structure and is formed by connecting a rivet nut, a high-strength bolt and a self-plugging rivet, so that the mounting is simple and convenient, the appearance is attractive, and the production efficiency is improved.
In some embodiments, the switch cabinet further includes a lower branch copper bar 21, the lower branch copper bar 21 is installed in the cable chamber b and located below the bus bar chamber c, wherein the lower branch copper bar 21 is fixed on the cabinet body through a third insulator 22. Further, the switch cabinet further comprises a through copper bar 28, and the through copper bar 28 is connected between the middle branch copper bar 17 and the lower branch copper bar 21.
In some embodiments, the switchgear further comprises a heat sink 24, the heat sink 24 being mounted to a side of the feed-through copper bar 28 remote from the circuit breaker chamber a.
In some embodiments, the switchgear further comprises a main grounding system 23, the main grounding system 23 being mounted within the cable compartment b and below the circuit breaker compartment a.
In the description of the present specification, references to the description of the terms "some embodiments," "exemplary," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or exemplary embodiment is included in at least one embodiment or exemplary embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention, so that all changes and modifications made in the claims and the specification of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A switchgear, comprising:
the intelligent cabinet comprises a cabinet body, wherein a circuit breaker chamber, a cable chamber and a bus chamber are arranged in the cabinet body, a first contact group is arranged in the bus chamber, and a second contact group is arranged in the cable chamber;
the circuit breaker handcart assembly comprises a circuit breaker, a linkage mechanism, a first movable door and a second movable door, wherein the circuit breaker is movably arranged in the circuit breaker chamber and is connected with the first movable door and the second movable door through the linkage mechanism, the circuit breaker can move between a switching-on position and a switching-off position and drives the first movable door and the second movable door to move between an opening position and a closing position through the linkage mechanism, and the moving directions of the first movable door and the second movable door are opposite; wherein, the first and the second end of the pipe are connected with each other,
when the circuit breaker is in a switching-on position, the first movable door and the second movable door are both in an opening position, at the moment, the circuit breaker chamber is communicated with the cable chamber and the bus chamber, and the circuit breaker is connected with the first contact group and the second contact group;
when the circuit breaker is in the separating brake position, first dodge gate with the second dodge gate all is in the closed position, at this moment, the circuit breaker room with the cable chamber with be the encapsulated situation between the bus-bar room, the circuit breaker with first contact group and the disconnection of second contact group sets up.
2. Switch cabinet according to claim 1,
when the breaker is switched from the opening position to the closing position, the first movable door and the second movable door move towards the direction away from each other;
in the process that the breaker is switched from the switching-on position to the switching-off position, the first movable door and the second movable door move towards the direction of approaching each other.
3. The switch cabinet according to claim 1, wherein the circuit breaker is provided with a connecting plate, a first positioning plate and a second positioning plate which are oppositely arranged, the first positioning plate and the second positioning plate are respectively connected to two sides of the connecting plate and form a sliding groove;
the linkage mechanism comprises a mounting seat, a first movable piece and a second movable piece, wherein,
the mounting seat is arranged in the breaker chamber;
the first movable piece is provided with a first overlapping end and a first connecting end, a first rolling shaft is further mounted on the side face of the first overlapping end, when the breaker is located at a brake separating position, the first rolling shaft is located outside the sliding groove and is arranged opposite to the end face of the first positioning plate, when the breaker is located at a brake closing position, the first rolling shaft is located in the sliding groove, and the first connecting end is connected with the first movable door;
the second moving part is provided with a second overlapping end and a second connecting end, a second roller is further mounted on the side face of the second overlapping end, when the breaker is in a brake separating position, the second roller is located outside the sliding groove and is opposite to the end face of the second positioning plate, when the breaker is in a brake closing position, the second roller is located in the sliding groove, the second connecting end is connected with the second movable door, and the first overlapping end and the second overlapping end are hinged to the same shaft lever of the mounting base.
4. The switch cabinet according to claim 3, wherein a guide rod is further installed in the breaker chamber, an axis of the guide rod is parallel to a height direction of the cabinet body, and the first movable door and the second movable door are both connected with the guide rod and move along the axis direction of the guide rod.
5. The switch cabinet of claim 4, wherein the guide rod is provided with a first stopper and a second stopper at intervals, wherein,
when the breaker is in a breaking position, the first movable door is abutted against one side, away from the second limiting block, of the first limiting block; the second movable door is abutted against one side, far away from the first limiting block, of the second limiting block.
6. Switch gear cabinet according to claim 3,
the first movable piece comprises a first movable part and a second movable part, the second movable part is obliquely connected between the first movable door and the first movable part, the first overlapping end is arranged on the first movable part, and the first connecting end is arranged on the second movable part;
the second movable part comprises a third movable part and a fourth movable part, the fourth movable part is obliquely connected between the first movable door and the third movable part, the second overlapping end is arranged on the third movable part, and the second connecting end is arranged on the fourth movable part.
7. The switchgear as claimed in claim 6, wherein the linkage mechanism further comprises an elastic return member mounted between the first and third movable parts, wherein,
when the circuit breaker is in a switching-on position, the elastic resetting piece is elastically compressed and deformed;
when the breaker is in the opening position, the elastic reset piece recovers elastic deformation.
8. The switch cabinet according to claim 1, further comprising a plurality of upper branch copper bars and a plurality of first stationary contact boxes, wherein the first contact group comprises a plurality of first stationary contacts, the plurality of first stationary contacts are installed in the plurality of first stationary contact boxes in a one-to-one correspondence manner, the plurality of upper branch copper bars are connected to the plurality of first stationary contact boxes, and each of the plurality of first stationary contact boxes is fixed on a sidewall of the bus bar compartment close to the circuit breaker compartment, wherein,
and a first insulator is connected between the upper branch copper bar and the side wall of the bus chamber.
9. The switch cabinet according to claim 8, further comprising a plurality of middle branch copper bars and a plurality of second stationary contact boxes, wherein the second contact set comprises a plurality of second stationary contacts, the plurality of second stationary contacts are installed in the plurality of second stationary contact boxes in a one-to-one correspondence, the plurality of middle branch copper bars are connected to the plurality of second stationary contact boxes, and each of the plurality of second stationary contact boxes is fixed on the sidewall of the cable chamber close to the circuit breaker chamber, respectively, wherein,
and a second insulator is connected between the middle branch copper bar and the side wall of the cable chamber.
10. The switchgear cabinet according to claim 9, wherein the maximum diameter of the first insulator and the maximum diameter of the second insulator are both greater than 85mm and both less than or equal to 120mm; and/or the presence of a gas in the gas,
the creepage distance of the first insulator and the second insulator is 269mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861730.7U CN217720277U (en) | 2022-07-19 | 2022-07-19 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861730.7U CN217720277U (en) | 2022-07-19 | 2022-07-19 | Switch cabinet |
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| Publication Number | Publication Date |
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| CN217720277U true CN217720277U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221861730.7U Active CN217720277U (en) | 2022-07-19 | 2022-07-19 | Switch cabinet |
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| CN (1) | CN217720277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117254382A (en) * | 2023-11-17 | 2023-12-19 | 西电宝鸡电气有限公司 | Generator outlet breaker |
-
2022
- 2022-07-19 CN CN202221861730.7U patent/CN217720277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117254382A (en) * | 2023-11-17 | 2023-12-19 | 西电宝鸡电气有限公司 | Generator outlet breaker |
| CN117254382B (en) * | 2023-11-17 | 2024-02-09 | 西电宝鸡电气有限公司 | Generator outlet breaker |
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