CN220585840U - Switch module and insulating ring main unit thereof - Google Patents
Switch module and insulating ring main unit thereof Download PDFInfo
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- CN220585840U CN220585840U CN202322067316.XU CN202322067316U CN220585840U CN 220585840 U CN220585840 U CN 220585840U CN 202322067316 U CN202322067316 U CN 202322067316U CN 220585840 U CN220585840 U CN 220585840U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 107
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 38
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model provides a switch module and an insulating ring main unit thereof, wherein the switch module comprises: the device comprises a mounting frame, a breaker module and a three-station module, wherein a first support frame and a first insulating cylinder of the breaker module, a second support frame and a second insulating cylinder of the three-station module and an insulating knife sleeve are made of thermoplastic materials, a vacuum arc-extinguishing chamber is arranged in the first insulating cylinder, the first support frame is arranged on the mounting frame, and a first transmission shaft is respectively connected with the first dynamic seal and the vacuum arc-extinguishing chamber; the three-station module is located circuit breaker module downside, and the second support frame is installed in the mounting bracket, and the second insulating section of thick bamboo is connected with the isolation knife tackle spare, and the second transmission shaft and the second of insulating knife tackle spare one end move sealed fixed connection, isolation knife tackle spare fixed connection in insulating knife tackle. According to the technical scheme of the embodiment, the supporting frames of the circuit breaker module and the three-station module are made of thermoplastic materials, so that the pollution to the environment can be reduced, embedding and packaging are not needed, and the production efficiency of the switch module is improved.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, and particularly relates to a switch module and an insulating ring main unit thereof.
Background
At present, a 10kV vacuum ring main unit is an important device in a power distribution system, and the device adopts vacuum arc extinction and can be divided into a sulfur hexafluoride gas insulation ring main unit, a solid insulation ring main unit and an environment-friendly gas insulation ring main unit according to different insulation mediums. Sulfur hexafluoride gas not only can aggravate greenhouse effect, but also can decompose into toxic harmful gas under high-temperature electric arc, and can pollute the environment, and the solid insulation ring main unit adopts the automatic pressure gel forming technology of epoxy resin to fixedly seal high-voltage charged bodies in the epoxy resin, so that the insulation effect is achieved, but the epoxy resin is a thermosetting material, is difficult to dissolve and degrade after solidification, and can also pollute the environment.
The environment-friendly gas-insulated ring main unit adopts dry air, nitrogen or other environment-friendly gases as insulating media, and meets the environment-friendly requirement on the insulating media compared with the sulfur hexafluoride gas-insulated ring main unit, however, the switch module of the environment-friendly gas-insulated ring main unit comprises a plurality of insulating parts, each insulating part is required to be embedded with a thermosetting material for packaging, the production process is complex, the thermosetting material cannot be recycled and is difficult to dissolve, and certain adverse effects can still be caused on the environment.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the utility model provides a switch module and an insulating ring main unit thereof, which can improve the production efficiency of the switch module and reduce environmental pollution.
In a first aspect, an embodiment of the present utility model provides a switch module, including:
the mounting frame is provided with a first dynamic seal and a second dynamic seal;
the circuit breaker module comprises a first support frame, a first insulating cylinder, a first transmission assembly, a first transmission shaft and a vacuum arc-extinguishing chamber, wherein the first support frame and the first insulating cylinder are integrally formed by injection molding of thermoplastic materials, the vacuum arc-extinguishing chamber is installed in the first insulating cylinder, two sides of the first support frame are fixedly connected with the mounting frame, the first transmission shaft is fixedly connected with the first dynamic seal, and the first transmission shaft is connected with the vacuum arc-extinguishing chamber through the first transmission assembly;
the three-station module is located the circuit breaker module downside, the three-station module includes second support frame, second insulating cylinder, insulating knife cover and keeps apart the knife tackle spare, the second support frame with the second insulating cylinder is moulded plastics integrated into one piece by thermoplastic material, the material of insulating knife cover is thermoplastic material, the both sides fixed connection of second support frame in the mounting bracket, the second insulating cylinder with keep apart the knife tackle spare and be connected, the one end of insulating knife cover is provided with the second transmission shaft, the second transmission shaft with second moves sealed fixed connection, keep apart the knife tackle spare fixed connection in insulating knife cover.
In some embodiments, the first mounting plate is provided with a first nut and a second nut, the first dynamic seal is rotatably connected to the first nut, and the second dynamic seal is rotatably connected to the second nut;
the first mounting plate is fixedly connected with the second mounting plate through a fixing rod, the second mounting plate is provided with a first shaft sleeve and a second shaft sleeve, the first shaft sleeve and the first nut are coaxially arranged, and the second shaft sleeve and the second nut are coaxially arranged;
the grounding mounting plate is fixedly connected to the first mounting plate and the second mounting plate, and is positioned on the lower side of the fixing rod;
the first support frame and the second support frame are fixedly connected to the first mounting plate and the second mounting plate, one end of the first transmission shaft penetrates through the first nut to be fixedly connected to the first dynamic seal, the other end of the first transmission shaft is inserted into the first shaft sleeve, one end of the insulating cutter sleeve penetrates through the second rotating shaft to be fixedly connected to the second dynamic seal, a circular shaft is arranged at the other end of one end of the insulating cutter sleeve, and the circular shaft is inserted into the second shaft sleeve;
the first dynamic seal and the second dynamic seal are lip-shaped sealing rings.
In some embodiments, the three-station module further comprises:
the grounding copper bar is fixedly connected with the grounding mounting plate;
and the grounding contact is fixedly connected to the grounding copper bar, and when the three-station module is in a grounding state, the isolating knife assembly is abutted against the grounding contact.
In some embodiments, a plurality of first insulating cylinders and a plurality of first umbrella skirts are arranged in the first supporting frame, the first insulating cylinders are located between the two first umbrella skirts, and first locking cavities are further arranged on two sides of the first supporting frame and used for fixing fixed connectors between the first supporting frame and the mounting frame;
a plurality of second insulating cylinders are arranged in the second supporting frame, a second umbrella skirt is arranged between each second insulating cylinder and the second supporting frame, second locking cavities are further arranged on two sides of the second supporting frame and are used for fixing fixed connecting pieces between the second supporting frame and the mounting frame.
In some embodiments, an upper side of the vacuum interrupter is provided with an interrupter moving end, the circuit breaker module further comprising:
the isolating contact is arranged in the first insulating cylinder, is positioned at the lower side of the vacuum arc extinguishing chamber, and is abutted with the isolating knife assembly when the breaker module and the three-station module are in a connection state;
the third support frame is used for installing the first transmission assembly, the third support frame is arranged on the upper side of the vacuum arc-extinguishing chamber, the third support frame is fixedly connected to the upper side of the first insulating cylinder, and the third support frame comprises a guide hole which is coaxial with the moving end of the arc-extinguishing chamber;
the connecting copper bar is fixedly connected to the upper side of the first insulating cylinder;
the flexible connection, the one end fixed connection of flexible connection in connect the copper bar, the other end fixed connection of flexible connection in the explosion chamber moves the end, the flexible connection is located the guiding hole upside.
In some embodiments, the third support frame further includes a support block, an upper side of the support block is provided with a support groove, and the first transmission assembly includes:
an insulating pull rod assembly;
the moving end of the arc extinguish chamber penetrates through the guide hole to be connected with the first transmission rod;
one end of the first crank arm is connected with the first transmission rod, the other end of the first crank arm is in pin joint with the upper side of the insulation pull rod assembly, and the arm body of the first crank arm is in pin joint with the supporting groove;
the second crank arm, one end of second crank arm with first transmission shaft fixed connection, the other end pin joint of second crank arm in insulating pull rod assembly's downside.
In some embodiments, the insulating pull rod assembly includes:
the insulation pull rod is provided with an over-travel spring telescopic cavity at one end, an adjusting rod is fixedly connected to the other end of the insulation pull rod and is in pin joint with the second crank arm, an over-travel spring is arranged in the over-travel spring telescopic cavity, and the insulation pull rod is made of thermoplastic materials;
and one end of the second transmission rod is connected with the over-travel spring, and the other end of the second transmission rod is in pin joint with the first crank arm.
In some embodiments, the three-station module further comprises:
the knife touching cavity is fixedly connected to the outer side of the insulating knife sleeve and is positioned on the upper side of the second insulating cylinder.
In some embodiments, a copper bar is disposed in the second insulating cylinder, and the spacer knife assembly comprises:
the lower side of the contact knife holder is connected with the copper rod;
the upper side of the contact blade is in pin joint with the contact blade cavity, the lower side of the contact blade is rotatably connected with the upper side of the contact blade seat, and the upper side of the contact blade is provided with a pressure spring.
In a second aspect, an embodiment of the present utility model further provides an insulating ring main unit, including a switch module according to the first aspect.
The embodiment of the utility model comprises the following steps: the mounting frame is provided with a first dynamic seal and a second dynamic seal; the circuit breaker module comprises a first support frame, a first insulating cylinder, a first transmission assembly, a first transmission shaft and a vacuum arc-extinguishing chamber, wherein the first support frame and the first insulating cylinder are integrally formed by injection molding of thermoplastic materials, the vacuum arc-extinguishing chamber is installed in the first insulating cylinder, two sides of the first support frame are fixedly connected with the mounting frame, the first transmission shaft is fixedly connected with the first dynamic seal, and the first transmission shaft is connected with the vacuum arc-extinguishing chamber through the first transmission assembly; the three-station module is located the circuit breaker module downside, the three-station module includes second support frame, second insulating cylinder, insulating knife cover and keeps apart the knife tackle spare, the second support frame with the second insulating cylinder is moulded plastics integrated into one piece by thermoplastic material, the material of insulating knife cover is thermoplastic material, the both sides fixed connection of second support frame in the mounting bracket, the second insulating cylinder with keep apart the knife tackle spare and be connected, the one end of insulating knife cover is provided with the second transmission shaft, the second transmission shaft with second moves sealed fixed connection, keep apart the knife tackle spare fixed connection in insulating knife cover. According to the technical scheme of the embodiment, the circuit breaker module and the three-station module are installed in the installation frame through the support frame made of the thermoplastic material, and the thermoplastic material is soluble and degradable, so that the thermoplastic material is used for replacing the thermosetting material, the pollution to the environment can be reduced, the embedding and packaging are not needed, and the production efficiency of the switch module is effectively improved.
Drawings
Fig. 1 is a perspective view of a switch module provided in one embodiment of the present utility model;
FIG. 2 is a perspective view of a mounting bracket provided in another embodiment of the present utility model;
fig. 3 is a perspective view of a circuit breaker module provided in another embodiment of the utility model;
fig. 4 is a cross-sectional view of a circuit breaker module provided in another embodiment of the utility model;
FIG. 5 is a schematic view of an installation of a first lever according to another embodiment of the present utility model;
FIG. 6 is a perspective view of a third support bracket according to another embodiment of the present utility model;
FIG. 7 is a cross-sectional view of an insulating pull rod assembly provided in accordance with another embodiment of the present utility model;
FIG. 8 is a perspective view of a three-position module provided in accordance with another embodiment of the present utility model;
fig. 9 is a schematic exploded view of a third support frame according to another embodiment of the present utility model;
fig. 10 is a use state diagram of a three-station module according to another embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. The terms first, second, third and the like in the description, in the claims and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The utility model provides a switch module and an insulating ring main unit thereof, wherein the switch module comprises: the mounting frame is provided with a first dynamic seal and a second dynamic seal; the circuit breaker module comprises a first support frame, a first insulating cylinder, a first transmission assembly, a first transmission shaft and a vacuum arc-extinguishing chamber, wherein the first support frame and the first insulating cylinder are integrally formed by injection molding of thermoplastic materials, the vacuum arc-extinguishing chamber is installed in the first insulating cylinder, two sides of the first support frame are fixedly connected with the mounting frame, the first transmission shaft is fixedly connected with the first dynamic seal, and the first transmission shaft is connected with the vacuum arc-extinguishing chamber through the first transmission assembly; the three-station module is located the circuit breaker module downside, the three-station module includes second support frame, second insulating cylinder, insulating knife cover and keeps apart the knife tackle spare, the second support frame with the second insulating cylinder is moulded plastics integrated into one piece by thermoplastic material, the material of insulating knife cover is thermoplastic material, the both sides fixed connection of second support frame in the mounting bracket, the second insulating cylinder with keep apart the knife tackle spare and be connected, the one end of insulating knife cover is provided with the second transmission shaft, the second transmission shaft with second moves sealed fixed connection, keep apart the knife tackle spare fixed connection in insulating knife cover. According to the technical scheme of the embodiment, the circuit breaker module and the three-station module are installed in the installation frame through the support frame made of the thermoplastic material, and the thermoplastic material is soluble and degradable, so that the thermoplastic material is used for replacing the thermosetting material, the pollution to the environment can be reduced, the embedding and packaging are not needed, and the production efficiency of the switch module is effectively improved.
Referring to fig. 1 to 4, an embodiment of the present utility model provides a switch module including:
the mounting frame 1, wherein the mounting frame 1 is provided with a first dynamic seal 105 and a second dynamic seal 106;
the circuit breaker module 2, the circuit breaker module 2 includes a first support frame 201, a first insulating cylinder 2011, a first transmission assembly, a first transmission shaft 211 and a vacuum interrupter 203, the first support frame 201 and the first insulating cylinder 2011 are integrally formed by thermoplastic material injection molding, the vacuum interrupter 203 is installed in the first insulating cylinder 2011, two sides of the first support frame 201 are fixedly connected to the mounting frame 1, the first transmission shaft 211 is fixedly connected with the first dynamic seal 105, and the first transmission shaft 211 is connected with the vacuum interrupter 203 through the first transmission assembly;
the three-station module 3, the three-station module 3 is located circuit breaker module 2 downside, the three-station module 3 includes second support frame 301, second insulating cylinder 3011, insulating knife cover 302 and isolation knife subassembly 303, second support frame 301 and second insulating cylinder 3011 are by thermoplastic material integrated into one piece that moulds plastics, insulating knife cover 302's material is thermoplastic material, the both sides fixed connection of second support frame 301 is in mounting bracket 1, second insulating cylinder 3011 is connected with isolation knife subassembly 303, insulating knife cover 302's one end is provided with second transmission shaft 3022, second transmission shaft 3022 and second dynamic seal 106 fixed connection, isolation knife subassembly 303 fixed connection is in insulating knife cover 302.
It should be noted that, the breaker module 2 and the three-station module 3 may be fixedly installed on the inner side of the installation frame 1 through nuts, as shown in fig. 2, the upper ends of two sides of the installation frame 1 are provided with a first installation portion 109, the lower ends are provided with a second installation portion 1010, a plurality of connection holes are respectively provided in the first installation portion 109 and the second installation portion 1010, the first support frame 201 is fixedly connected to the first installation portion 109 through a connecting piece such as a nut, and the second support member 301 is fixedly connected to the second installation portion 1010, so that the installation of the breaker module 2 and the three-station module 3 is realized.
It should be noted that, the first support frame 201 and the first insulating cylinder 2011 are integrally formed through injection molding, so that the production process can be simplified, the vacuum arc-extinguishing chamber 203 is installed on the first insulating cylinder 2011, no solid sealing is required by a thermosetting material, no insert design is realized, the injection mold is effectively simplified, and the generation efficiency is improved. The second supporting frame 301 and the second insulating tube 3011 are similar, and a detailed description thereof will not be repeated here.
It should be noted that, in order to realize the driving of the breaker module 2 and the three-station module 3, a first dynamic seal 105 and a second dynamic seal 106 may be disposed in the mounting frame 1, the first dynamic seal 105 is connected with the first transmission shaft 211 of the breaker module 2, the second dynamic seal 106 is connected with the second transmission shaft 3022 of the three-station module 3, the external structure may rotate by rotating the first dynamic seal 105 to drive the first transmission shaft 211, so as to drive the moving contact (not shown in the figure) and the fixed contact (not shown in the figure) of the vacuum arc extinguishing chamber 203 to be communicated or opened, and similarly, by rotating the second dynamic seal 106, the second rotation shaft 3022 may be driven to rotate, and the insulating knife sleeve 302 drives the isolating knife assembly 303 to rotate, so as to realize the opening, isolating and closing of the three-station module. It should be noted that, in order to improve the transmission effect of the first dynamic seal 105 and the second dynamic seal 106, a hexagonal slot may be disposed in the two dynamic seals, and the hexagonal first transmission shaft 211 and the hexagonal second transmission shaft 3022 are adopted, so that slipping in the rotation process can be effectively avoided through the hexagonal structure, and the transmission efficiency is improved.
It should be noted that, for the convenience of rotation, the insulating cutter sleeve 302 may adopt a cylindrical structure, two ends of the insulating cutter sleeve 302 may be asymmetric, one section of the insulating cutter sleeve is provided with the second transmission shaft 3022, and the other end of the insulating cutter sleeve may be provided with a connection structure to be connected with the mounting frame 1, so that a fulcrum is provided for rotation of the second rotation shaft 3022 and the insulating cutter sleeve 302.
It should be noted that, the isolation knife assembly 303 is fixedly connected with the insulation knife sleeve 302, so that when the second rotation shaft 3022 drives the insulation knife sleeve 302 to rotate anticlockwise or clockwise, the isolation knife assembly 303 can realize follow-up, that is, rotate along with the rotation direction of the insulation knife sleeve 302, thereby realizing different working states.
The thermoplastic material may be a material obtained by mixing a thermoplastic resin with glass fibers, and the ratio of the thermoplastic resin to the glass fibers may be adjusted according to actual needs, for example, 60% of the thermoplastic resin may be mixed with 30% of the glass fibers. The thermoplastic material has high mechanical strength and small deformation under the condition of larger static load; in addition, the thermoplastic material has good heat resistance, is not easy to soften under the condition of higher temperature, and improves the reliability of the product; in addition, the thermoplastic material has better electrical property, and has smaller partial discharge value under the condition of high-voltage alternating current, thereby prolonging the service life of the product and reducing the loss; in addition, the thermoplastic material can be melted and repeatedly molded, so that the recycling can be realized, and the environmental pollution is reduced; in addition, the density of the thermoplastic material is lower than that of the thermosetting material and the epoxy resin, so that the weight of the switch module can be reduced, and the switch module is more convenient to install. The first support frame 201 and the first insulating cylinder 2011 of this embodiment are formed by thermoplastic material integrally, the second support frame 301 and the second insulating cylinder 3011 are formed by thermoplastic material integrally, the insulating knife sleeve 302 is made of thermoplastic material, the production of each insulating part of the switch module can be realized through injection molding, the processing difficulty is effectively reduced, the production efficiency is improved, meanwhile, the switch module is formed by installing a plurality of modules by connecting pieces, and the assembly efficiency is effectively improved compared with the embedded encapsulation.
In addition, in an embodiment, referring to fig. 2, the mounting frame 1 further includes:
a first mounting plate 101, the first mounting plate 101 being provided with a first nut 1011 and a second nut 1012, the first dynamic seal 105 being rotatably connected to the first nut 1011, the second dynamic seal 106 being rotatably connected to the second nut 1012;
the second mounting plate 102, the first mounting plate 101 and the second mounting plate 102 are fixedly connected through a fixing rod 103, the second mounting plate 102 is provided with a first shaft sleeve 107 and a second shaft sleeve 108, the first shaft sleeve 107 and a first nut 1011 are coaxially arranged, and the second shaft sleeve 108 and a second nut 1012 are coaxially arranged;
a ground mounting plate 104, the ground mounting plate 104 being fixedly connected to the first mounting plate 101 and the second mounting plate 102, the ground mounting plate 104 being located on the lower side of the fixing lever 103;
the first supporting frame 201 and the second supporting frame 301 are both fixedly connected to the first mounting plate 101 and the second mounting plate 102, one end of the first transmission shaft 211 passes through a first nut 1011 to be fixedly connected to the first dynamic seal 105, the other end of the first transmission shaft 211 is inserted into the first shaft sleeve 107, one end of the insulating knife sleeve 302 passes through a second rotation shaft to be fixedly connected to the second dynamic seal 106 through a second nut 1012, a circular shaft 3023 is arranged at the other end of one end of the insulating knife sleeve 302, and the circular shaft 3023 is inserted into the second shaft sleeve 108;
wherein the first dynamic seal 105 and the second dynamic seal 106 are lip seals.
As shown in fig. 2, the first mounting plate 101 and the second mounting plate 102 are placed in parallel, a plurality of connection holes are formed in the first mounting plate 101 and the second mounting plate 102, and a plurality of fixing rods 103 are fixedly connected to the connection holes in a welding manner or the like, so that the fixing between the first mounting plate 101 and the second mounting plate 102 is realized, and a mounting position is provided for mounting the circuit breaker module 2 and the three-station module 3. =
Since the first transmission shaft 211 and the second transmission shaft 3022 are each one end connected with a dynamic seal, a through hole may be provided in one of the first mounting plate 101 or the second mounting plate 102, in this embodiment, taking the first mounting plate 101 as an example, one dynamic seal mounting hole is provided on each of the upper side and the lower side of the first mounting plate 101, the position of the upper dynamic seal mounting hole is determined according to the mounting requirement of the first transmission shaft 211, the position of the lower dynamic seal mounting hole is determined according to the mounting requirement of the second transmission shaft 3022, the first nut 1011 is welded in the upper dynamic seal mounting hole, the second nut 1012 is welded in the lower dynamic seal mounting hole, and a sleeve mounting hole is provided on both the upper and lower sides of the second mounting plate 102, the sleeve mounting hole is coaxial with the dynamic seal mounting hole, so that the first transmission shaft 211 can be mounted in the coaxial first nut 1011 and the first sleeve 107, the second transmission shaft 3022 is mounted in the second dynamic seal 106, and the circular shaft 3023 at the other end of the insulating cutter sleeve 302 is mounted in the second sleeve 108.
The lip seal ring is adopted for the first dynamic seal 105 and the second dynamic seal 106, so that the air tightness of the switchgear can be effectively improved.
The ground mounting plate 104 may be used as a ground member of the three-station module 3, and may be fixedly connected to the lower sides of the first mounting plate 101 and the second mounting plate 102, and the specific shape and mounting members of the ground mounting plate 104 may be adjusted according to actual requirements.
In addition, in an embodiment, referring to fig. 2, 9 and 10, the three-station module 3 further comprises:
the ground copper bar 305, the ground copper bar 305 is fixedly connected with the ground mounting plate 104;
the ground contact 306, the ground contact 306 is fixedly connected to the ground copper bar 305, and when the three-station module 3 is in a grounded state, the isolation blade assembly 303 abuts against the ground contact 306.
The ground copper bar 305 and the ground contact 306 can provide a ground component for the three-station module 3, the ground copper bar 305 can be installed in the ground mounting plate 104 of the mounting frame 1, and the fixed connection can be achieved through plugging or welding.
As shown in fig. 10, the three-station module 3 generally includes an on state, an isolated state, and a grounded state, and when the three-station module 3 is in the grounded state, the isolated blade assemblies 303 abut against the ground contacts 306 to achieve grounding, and the number of the ground contacts 306 is the same as the number of the isolated blade assemblies 303, and the positions of the ground contacts are set correspondingly.
In addition, in an embodiment, referring to fig. 3, 4, 8 and 9, a plurality of first insulating cylinders 2011 and a plurality of first umbrella skirts 2012 are disposed in the first supporting frame 201, the first insulating cylinders 2011 are located between the two first umbrella skirts 2012, and first locking cavities 2013 are further disposed on two sides of the first supporting frame 201, and the first locking cavities 2013 are used for fixing a fixing connection piece between the first supporting frame 201 and the mounting frame 1;
a plurality of second insulating cylinders 3011 are arranged in the second supporting frame 301, a second umbrella skirt 3012 is arranged between each second insulating cylinder 3011 and the second supporting frame 301, second locking cavities 3013 are further arranged on two sides of the second supporting frame 301, and the second locking cavities 3013 are used for fixing fixed connectors between the second supporting frame 301 and the mounting frame 1.
It should be noted that, the three-station module 3 generally has 3 second insulating cylinders 3011, so the corresponding circuit breaker module 2 also has 3 first insulating cylinders 2011, and the positions of the first insulating cylinders 2011 and the second insulating cylinders 3011 correspond to each other, so that the isolating contact 2 can abut against the isolating blade assembly 303 when the three-station module 3 is in the on state.
The first umbrella skirt 2012 is provided on the first support frame 201, and the second umbrella skirt 3012 is provided on the second support frame 301, so that the creepage distance between adjacent insulating cylinders can be effectively increased, and the reliability of the device can be improved.
It should be noted that, the first support frame 201 and the second support frame 301 may be fixedly connected to the mounting frame 1 through a connecting member such as a bolt, so as to improve the connection stability, in this embodiment, a plurality of hexagonal first locking cavities 2013 are disposed on two sides of the first support frame 201, a plurality of hexagonal second locking cavities 3013 are disposed on two sides of the second support frame 301, and corresponding nuts are locked through the first locking cavities 2013 and the second locking cavities 3013, so as to improve the connection stability of the assembly.
In addition, in an embodiment, referring to fig. 3 to 6, an upper side of the vacuum interrupter 203 is provided with an interrupter moving end 2031, and the circuit breaker module 2 further includes:
the isolating contact 202, the isolating contact 202 is arranged in the first insulating cylinder 2011, the isolating contact 202 is positioned at the lower side of the vacuum arc extinguishing chamber 203, and the isolating contact 202 is abutted against the isolating blade assembly 303 when the breaker module 2 and the three-station module 3 are in the on state;
the third support frame 204, the third support frame 204 is used for installing the first transmission assembly, the third support frame 204 is arranged on the upper side of the vacuum arc-extinguishing chamber 203, the third support frame 204 is fixedly connected on the upper side of the first insulating cylinder 2011, the third support frame 204 comprises a guide hole 2043, and the guide hole 2043 is coaxial with the moving end 2031 of the arc-extinguishing chamber;
the connection copper bar 206, the connection copper bar 206 is fixedly connected to the upper side of the first insulating cylinder 2011;
and one end of the flexible connection 205 is fixedly connected with the connecting copper bar 206, the other end of the flexible connection 205 is fixedly connected with the moving end 2031 of the arc extinguishing chamber, and the flexible connection 205 is positioned on the upper side of the guide hole 2043.
In the first insulating cylinder 2011, the isolation contact 202 is located at the lower side of the vacuum interrupter 203, and since the isolation contact 202 needs to be abutted against the isolation blade assembly 303 in the on state, a through hole may be provided at the bottom side of the first insulating cylinder 2011, so that the isolation contact 202 may protrude from the through hole.
One end of the connection copper bar 206 and the flexible connection 205 is fixed to the third support frame 204, and the other end of the flexible connection 205 is fixedly connected to the arc extinguishing chamber east section 2031, so that electrical conduction of the circuit breaker module 2 can be ensured.
It should be noted that, the third supporting block 204 may be fixedly connected to the upper side of the first insulating cylinder 2011, for example, a fixing hole 2041 is provided in the three supporting blocks 204, a fixing connection member is provided through the fixing hole 2041 and is fixedly connected to the first insulating cylinder 2011, and a guiding hole 2042 is provided in the third supporting block 204, so that the moving end 2031 of the arc extinguishing chamber can move through the guiding hole 2042.
It should be noted that the material of the third supporting block 204 may be aluminum alloy, so as to reduce the weight while ensuring the hardness.
In addition, in an embodiment, referring to fig. 3, 5 and 6, the third supporting frame 204 further includes a supporting block 2043, a supporting groove is provided on an upper side of the supporting block 2043, and the first transmission assembly includes:
an insulated pull rod assembly 209;
the first transmission rod 207, the arc extinguishing chamber moving end 2031 passes through the guide hole 2043 and is connected with the first transmission rod 207;
the first crank arm 208, one end of the first crank arm 208 is connected with the first transmission rod 207, the other end of the first crank arm 208 is pin-connected to the upper side of the insulation pull rod assembly 209, and the arm body of the first crank arm 208 is pin-connected to the supporting groove;
the second crank arm 210, one end of the second crank arm 210 is fixedly connected with the first transmission shaft 211, and the other end of the second crank arm 210 is pin-connected to the lower side of the insulation pull rod assembly 209.
It should be noted that, the third supporting block 204 is used for installing the first transmission component, since the first transmission component needs to drive the movement of the moving end 2031 of the arc extinguishing chamber, the supporting block 2043 may be disposed on the third supporting block 204, the upper end of the supporting block 2043 is a supporting slot, and the first supporting point connecting hole 2044 is disposed on the wall of the supporting slot, since the first transmission rod 207 of the first transmission component is vertically connected with the moving end 2031 of the arc extinguishing chamber, the first connecting lever 208 may be disposed on the connecting hole 2081 of the arc extinguishing chamber and connected with one end of the first transmission rod 207 to implement linkage, the arm body of the first connecting lever 208 may be disposed with the second supporting point connecting hole 2082, and the first supporting point connecting hole 2081 and the second supporting point connecting hole 2082 are connected by the second transmission pin 213, so that the first connecting lever 208 may rotate with the second transmission pin 213 as a transmission shaft. Meanwhile, the end of the first crank arm 208 far away from the first transmission rod 207 may be further provided with a rod connection hole 2083, and is pinned to the insulating rod assembly 209 through the rod connection hole 2083.
It should be noted that, one end of the second crank arm 210 may be provided with a through hole matching with the first transmission shaft 211, so as to realize fixed connection, and the other end of the second crank arm 210 may be pinned with the insulating pull rod assembly 209 through the first transmission pin 212, when the first transmission shaft 211 rotates, the first transmission pin 212 drives the second crank arm 210 to drive the insulating pull rod assembly 209 to rise or fall, so as to drive the first crank arm 208 to rotate, and finally drive the first transmission rod 207 to rise or fall.
It should be noted that, the number of the first transmission assemblies is the same as the number of the vacuum interrupters 203, that is, each vacuum interrupter 203 is connected with one first transmission assembly, as shown in fig. 3, the breaker module 2 includes 3 vacuum interrupters 203, and then 3 first transmission assemblies are provided, and 3 second crank arms 210 are simultaneously fixed on the same first transmission shaft 211 to realize linkage.
Additionally, in one embodiment, referring to fig. 5 and 7, the insulated pull rod assembly 209 comprises:
an over-travel spring expansion cavity 2098 is formed in one end of the insulation pull rod 2091, an adjusting rod 2095 is fixedly connected to the other end of the insulation pull rod 2091, the adjusting rod 2095 is in pin joint with the second crank arm 210, an over-travel spring 2094 is arranged in the over-travel spring expansion cavity 2098, and the insulation pull rod 2091 is made of a thermoplastic material;
and a second transmission rod 2092, one end of the second transmission rod 2092 is connected with the over travel spring 2094, and the other end of the second transmission rod 2092 is pinned with the first crank arm 208.
It should be noted that, two cavities may be provided inside the insulation pull rod 2091, the cavity near one side of the first crank arm 208 is riveted with the first insert 2096 through the riveting nut 2093, so that an over-travel spring expansion cavity 2098 is formed on the inner side of the first insert 2096, a second insert 2097 is fixedly provided in the cavity at the other end, an adjusting rod 2095 is fixedly connected in the second insert 2097, and the second crank arm 210 is pinned through the adjusting rod 2095.
It should be noted that, the over-travel spring 2098 is provided with an over-travel spring 2094, the second transmission rod 2092 is inserted into the over-travel spring 2094, and is in pin connection with the pull rod connecting hole 2083 of the first crank 208 through the second transmission rod 2092, so that the over-travel spring 2098 is driven to have a plurality of millimeter cavities (X shown in fig. 7) for compressing and releasing the over-travel spring 2094 during the closing and opening process of the circuit breaker module 2. The closing and opening processes of the circuit breaker module 2 will be described with reference to the structures shown in fig. 1 to 7, and the functions of the insulating pull rod unit 209 will be described as follows:
and (3) closing: the first dynamic seal 105 is driven to rotate clockwise, the first dynamic seal 105 drives the first transmission shaft 211 and the second crank arm 210 fixed on the first transmission shaft 211 to rotate clockwise, the adjusting rod 2095 of the insulation pull rod assembly 209 is pushed to move upwards, the adjusting rod 2095 pushes the insulation pull rod 2091 to move upwards, the first crank arm 208 is pushed to rotate anticlockwise around the second pivot connecting hole 2082, the first transmission rod 207 is pushed to move downwards, the moving contact of the vacuum arc extinguishing chamber 203 is abutted with the fixed contact, under continuous driving, the over-travel spring 2094 of the insulation pull rod assembly 209 is extruded by the first insert 2096, the over-travel is compressed in the over-travel spring telescopic cavity 2098, and the circuit breaker module 2 is locked to be at the closing position.
And (3) a brake separating process: the over travel spring 2094 in a compressed state releases pressure to complete the over travel, and forms a resultant force with the driving of the insulating ring main unit, so as to drive the first transmission shaft 211 and the second crank arm 210 fixed on the first transmission shaft 211 to rotate anticlockwise, further drive the first crank arm 208 to rotate clockwise around the first pivot connecting hole 2082, drive the first transmission rod 207 to move upwards, and finally lock the breaker module 2 to be in the opening position.
In addition, in an embodiment, referring to fig. 8, the three-station module 3 further includes:
the knife touching cavity 3021, the knife touching cavity 3021 is fixedly connected to the outer side of the insulation knife sleeve 302, and the knife touching cavity 3021 is located on the upper side of the second insulation cylinder 3011.
The contact blade cavity 3021 may be a rectangular cavity, and may be fixedly connected to the outer side of the insulating blade sleeve 302, and may rotate along with the rotation of the insulating blade sleeve 302.
In addition, in an embodiment, referring to fig. 1, 9 and 10, a copper rod 304 is provided in the second insulation barrel 3011, and the isolation blade assembly 303 includes:
the contact blade holder 3031, the lower side of the contact blade holder 3031 is connected with the copper bar 304;
the contact blade 3032, the upper side of the contact blade 3032 is pinned in the contact blade cavity 3021, the lower side of the contact blade 3032 is rotatably connected to the upper side of the contact blade holder 3031, and the upper side of the contact blade 3032 is provided with a pressure spring 3033.
The second insulating tube 3011 is provided with a copper rod 304, the lower side of the contact holder 3031 is connected with the copper rod 304 and then placed in the second insulating tube 3011, and the upper side of the contact holder 3031 is in a rotatable structure and is connected with the contact blade 3032 to realize linkage.
It should be noted that, the contact blade cavity 3021 may be sleeved outside the contact blade holder 3031 and the contact blade holder 3032, and since the contact blade holder 3031 is linked with the contact blade holder 3032, the upper side of the contact blade holder 3032 is provided with a limiting pin 3034, and the limiting pin 3034 is pinned to the contact blade cavity 3021 to realize linkage, and when the insulating blade sleeve 302 rotates, the contact blade cavity 3021 drives the contact blade holder 3032 and the contact blade holder 3031 to rotate.
The contact blade 3032 is provided with a compression spring 3033, and after the isolation blade assembly 303 is moved, the contact blade is abutted against the side wall of the mounting frame 1, and the stability is improved by the elasticity of the compression spring 3033.
The following description is made of the operation of the three-station module 3 with reference to the structures of fig. 8 and 9, and the three states of fig. 10:
and (3) closing: the second movable seal 106 rotates anticlockwise, the second movable seal 106 drives the insulating knife sleeve 302 and the insulating knife assembly 303 to rotate anticlockwise around the axis of the insulating knife sleeve 302, after the insulating knife sleeve is closed in place and three stations are kept by the mechanism limiting block, the second movable seal 106 is driven to rotate clockwise, and the movable seal 106 drives the insulating knife sleeve 302 and the insulating knife switch to be in a connection state;
the brake separating process is as follows: the second dynamic seal 106 is driven to rotate, the isolation knife assembly 303 is driven to rotate clockwise around the axis of the insulation knife sleeve 302, and the three-station switch is kept in an isolated state by the mechanism limiting block after the disconnecting is in place;
the grounding process is as follows: the second movable seal 106 is driven to rotate clockwise, and the second movable seal 106 drives the insulating knife sleeve 302 and the isolating knife assembly 303 to rotate clockwise around the axis of the insulating knife sleeve 302, and is in a grounding state after being connected with the grounding contact 306.
In addition, the embodiment of the utility model also provides an insulating ring main unit, which comprises the switch module.
It should be noted that after the switch module is adopted, the breaker module and the three-station module of the switch module are installed in the installation frame through the support frame made of thermoplastic materials, and the thermoplastic materials are soluble and degradable, so that the pollution to the environment can be reduced by replacing thermosetting materials with thermoplastic materials, and the embedded packaging is not needed, so that the production efficiency of the switch module and the insulating ring main unit is effectively improved.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the above embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A switch module, comprising:
the mounting frame is provided with a first dynamic seal and a second dynamic seal;
the circuit breaker module comprises a first support frame, a first insulating cylinder, a first transmission assembly, a first transmission shaft and a vacuum arc-extinguishing chamber, wherein the first support frame and the first insulating cylinder are integrally formed by injection molding of thermoplastic materials, the vacuum arc-extinguishing chamber is installed in the first insulating cylinder, two sides of the first support frame are fixedly connected with the mounting frame, the first transmission shaft is fixedly connected with the first dynamic seal, and the first transmission shaft is connected with the vacuum arc-extinguishing chamber through the first transmission assembly;
the three-station module is located the circuit breaker module downside, the three-station module includes second support frame, second insulating cylinder, insulating knife cover and keeps apart the knife tackle spare, the second support frame with the second insulating cylinder is moulded plastics integrated into one piece by thermoplastic material, the material of insulating knife cover is thermoplastic material, the both sides fixed connection of second support frame in the mounting bracket, the second insulating cylinder with keep apart the knife tackle spare and be connected, the one end of insulating knife cover is provided with the second transmission shaft, the second transmission shaft with second moves sealed fixed connection, keep apart the knife tackle spare fixed connection in insulating knife cover.
2. The switch module of claim 1, wherein the mounting bracket further comprises:
the first mounting plate is provided with a first nut and a second nut, the first dynamic seal is rotatably connected with the first nut, and the second dynamic seal is rotatably connected with the second nut;
the first mounting plate is fixedly connected with the second mounting plate through a fixing rod, the second mounting plate is provided with a first shaft sleeve and a second shaft sleeve, the first shaft sleeve and the first nut are coaxially arranged, and the second shaft sleeve and the second nut are coaxially arranged;
the grounding mounting plate is fixedly connected to the first mounting plate and the second mounting plate, and is positioned on the lower side of the fixing rod;
the first support frame and the second support frame are fixedly connected to the first mounting plate and the second mounting plate, one end of the first transmission shaft penetrates through the first nut to be fixedly connected to the first dynamic seal, the other end of the first transmission shaft is inserted into the first shaft sleeve, one end of the insulating cutter sleeve penetrates through the second transmission shaft to be fixedly connected to the second dynamic seal, a circular shaft is arranged at the other end of one end of the insulating cutter sleeve, and the circular shaft is inserted into the second shaft sleeve;
the first dynamic seal and the second dynamic seal are lip-shaped sealing rings.
3. The switch module of claim 2, wherein the three-position module further comprises:
the grounding copper bar is fixedly connected with the grounding mounting plate;
and the grounding contact is fixedly connected to the grounding copper bar, and when the three-station module is in a grounding state, the isolating knife assembly is abutted against the grounding contact.
4. The switch module of claim 1, wherein:
the first support frame is internally provided with a plurality of first insulating cylinders and a plurality of first umbrella skirts, the first insulating cylinders are positioned between the two first umbrella skirts, the two sides of the first support frame are also provided with first locking cavities, and the first locking cavities are used for fixing fixed connecting pieces between the first support frame and the mounting frame;
a plurality of second insulating cylinders are arranged in the second supporting frame, a second umbrella skirt is arranged between each second insulating cylinder and the second supporting frame, second locking cavities are further arranged on two sides of the second supporting frame and are used for fixing fixed connecting pieces between the second supporting frame and the mounting frame.
5. The switch module of claim 1, wherein an upper side of the vacuum interrupter is provided with an interrupter moving end, the circuit breaker module further comprising:
the isolating contact is arranged in the first insulating cylinder, is positioned at the lower side of the vacuum arc extinguishing chamber, and is abutted with the isolating knife assembly when the breaker module and the three-station module are in a connection state;
the third support frame is used for installing the first transmission assembly, the third support frame is arranged on the upper side of the vacuum arc-extinguishing chamber, the third support frame is fixedly connected to the upper side of the first insulating cylinder, and the third support frame comprises a guide hole which is coaxial with the moving end of the arc-extinguishing chamber;
the connecting copper bar is fixedly connected to the upper side of the first insulating cylinder;
the flexible connection, the one end fixed connection of flexible connection in connect the copper bar, the other end fixed connection of flexible connection in the explosion chamber moves the end, the flexible connection is located the guiding hole upside.
6. The switch module of claim 5, wherein the third support frame further comprises a support block, a support groove is provided on an upper side of the support block, and the first transmission assembly comprises:
an insulating pull rod assembly;
the moving end of the arc extinguish chamber penetrates through the guide hole to be connected with the first transmission rod;
one end of the first crank arm is connected with the first transmission rod, the other end of the first crank arm is in pin joint with the upper side of the insulation pull rod assembly, and the arm body of the first crank arm is in pin joint with the supporting groove;
the second crank arm, one end of second crank arm with first transmission shaft fixed connection, the other end pin joint of second crank arm in insulating pull rod assembly's downside.
7. The switch module of claim 6, wherein the insulating pull rod assembly comprises:
the insulation pull rod is provided with an over-travel spring telescopic cavity at one end, an adjusting rod is fixedly connected to the other end of the insulation pull rod and is in pin joint with the second crank arm, an over-travel spring is arranged in the over-travel spring telescopic cavity, and the insulation pull rod is made of thermoplastic materials;
and one end of the second transmission rod is connected with the over-travel spring, and the other end of the second transmission rod is in pin joint with the first crank arm.
8. The switch module of claim 5, wherein the three-position module further comprises:
the knife touching cavity is fixedly connected to the outer side of the insulating knife sleeve and is positioned on the upper side of the second insulating cylinder.
9. The switch module of claim 8, wherein a copper bar is disposed in the second insulating cylinder, the isolation knife assembly comprising:
the lower side of the contact knife holder is connected with the copper rod;
the upper side of the contact blade is in pin joint with the contact blade cavity, the lower side of the contact blade is rotatably connected with the upper side of the contact blade seat, and the upper side of the contact blade is provided with a pressure spring.
10. An insulated ring main unit comprising a switch module as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322067316.XU CN220585840U (en) | 2023-08-02 | 2023-08-02 | Switch module and insulating ring main unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322067316.XU CN220585840U (en) | 2023-08-02 | 2023-08-02 | Switch module and insulating ring main unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585840U true CN220585840U (en) | 2024-03-12 |
Family
ID=90114778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322067316.XU Active CN220585840U (en) | 2023-08-02 | 2023-08-02 | Switch module and insulating ring main unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585840U (en) |
-
2023
- 2023-08-02 CN CN202322067316.XU patent/CN220585840U/en active Active
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