CN218160133U - Self-protection high-voltage isolating switch - Google Patents
Self-protection high-voltage isolating switch Download PDFInfo
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- CN218160133U CN218160133U CN202221663693.9U CN202221663693U CN218160133U CN 218160133 U CN218160133 U CN 218160133U CN 202221663693 U CN202221663693 U CN 202221663693U CN 218160133 U CN218160133 U CN 218160133U
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- isolator
- isolating switch
- soft
- connecting rod
- inlet wire
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Abstract
The utility model relates to a high-voltage isolator technical field, concretely relates to self-protecting high-voltage isolator, including the stand, stand top fixedly connected with base, base top bilateral symmetry is equipped with a plurality of evenly distributed post insulators, the post insulator top of both sides all fixedly mounted has the static contact, still is equipped with the support column between two post insulators, support column top swing joint has the moving contact, the moving contact uses with the static contact of inlet wire end to form the inlet wire isolator with the cooperation; the utility model discloses a set up inlet wire isolator, soft isolator that opens to on all installing inlet wire isolator, soft isolator that opens the base, the integrated level is high, and the installation of being convenient for has improved the installation effectiveness, through setting up inlet wire isolation operating device, soft isolation operating device that opens, on the one hand can be convenient respectively to inlet wire isolator, soft isolator that opens control, on the other hand need not to operate with the help of the instrument again in operation process, convenient operation and security height.
Description
Technical Field
The utility model relates to a high voltage isolator technical field, concretely relates to self preservation protects high voltage isolator.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for high-voltage transmission lines with three-phase alternating current of 50Hz and rated voltage of 12KV and above. The high voltage equipment is used for switching on, switching off or switching over the line under the condition of no voltage load. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, putting in load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment.
Most of the existing isolating switches are assembled together with resistors on site for use in a matched mode, on one hand, the occupied area is large, the assembling is inconvenient, on the other hand, the linkage is poor, the sequential actions of main division-ground combination-ground division-main combination of the switches cannot be guaranteed, and the safety is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a self preservation protects high voltage isolator, compact structure not only, the installation of being convenient for, the security is good moreover has the self preservation and protects the function.
For solving the technical problem, the utility model provides a self preservation protects high voltage isolator, which comprises a column, stand top fixedly connected with base, base top bilateral symmetry are equipped with a plurality of evenly distributed's post insulator, and the post insulator top of both sides all is provided with the static contact, still is equipped with the support column between two adjacent post insulators, and support column top swing joint has two moving contacts corresponding with the post insulator position, the moving contact with the static contact cooperation is used and is formed inlet wire isolator, two the bottom of moving contact still is provided with the inlet wire isolation operating device who is used for controlling inlet wire isolator to open and shut, still be provided with soft starting isolator between the support column top and the post insulator of one side wherein, soft starting isolator's bottom is provided with the soft start isolation operating device who is used for controlling soft starting isolator to open and shut.
Through setting up inlet wire isolator, soft isolator that opens to on all installing the base with inlet wire isolator, soft isolator that opens, the integrated level is high, and the installation of being convenient for has improved the installation effectiveness, keeps apart operating device, soft isolation operating device that opens through setting up the inlet wire, on the one hand can be convenient respectively to inlet wire isolator, soft isolator that opens control, on the other hand need not to operate with the help of the instrument again in operation process, convenient operation and security height.
Furthermore, the top end of the support column is also provided with a fixed contact, the soft start isolating switch comprises a soft start resistor, one end of the soft start resistor is hinged with the support column insulator, and the other end of the soft start resistor is connected with the fixed contact on the support column.
Through setting up soft resistance that opens, can reduce impulse current and play overcurrent protection effect.
Furthermore, the inlet wire isolation operating mechanism and the soft start isolation operating mechanism are the same in structure and respectively comprise an insulating column, a rotating part and a pull rod, the top end of the insulating column is movably connected with the bottom of the moving contact, the bottom end of the insulating column is movably connected with the top end of the pull rod, one end of the rotating part is hinged to the base, and the other end of the rotating part is hinged to the pull rod.
Through setting up the insulated column, security when can guaranteeing the operation, when using, through the drive pull rod, the pull rod drives and rotates piece and insulated column downstream, and the insulated column drives the moving contact downstream to make the moving contact be connected with the static contact, the switch-on circuit, convenient operation.
Further, the base outside still is provided with ground connection isolator, ground connection isolator with inlet wire isolator cooperation is used.
Grounding isolator's setting prevents to have residual charge on the consumer behind the break power on the one hand, endangers to overhaul electrician's safety, plays the discharge effect, and on the other hand prevents circuit breaker internal fault, incomplete separating brake, and the consumer still is electrified after the separating brake operation, endangers to overhaul electrician's safety, through closing grounding isolator, makes higher level's circuit breaker protection action trip to play the effect of protection personal safety.
Furthermore, the bottom of the grounding isolation switch is also provided with a grounding isolation operating mechanism for controlling the opening and closing of the grounding isolation switch, and the grounding isolation operating mechanism is arranged, so that the operation is more convenient and safer.
Further, operating device is kept apart to ground connection includes first connecting rod, second connecting rod, cam and dwang, first connecting rod with the base rotates to be connected, and first connecting rod run through a plurality of isolator and with isolator's one end fixed connection, second connecting rod one end with first connecting rod swing joint, second connecting rod are used for driving first connecting rod and rotate, the other end and the cam of second connecting rod are articulated, and the cam is applicable to and drives the second connecting rod and remove, dwang and cam fixed connection, dwang are applicable to and drive the cam and rotate.
Furthermore, the post insulator is a ZSW-40.5 pollution-resistant post insulator, and the height of the post insulator is 600mm.
Furthermore, the support column is made of insulating materials, and safety performance is guaranteed.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1. the utility model discloses a set up inlet wire isolator, soft isolator that opens to on all installing the base with inlet wire isolator, soft isolator that opens, the integrated level is high, and the installation of being convenient for has improved the installation effectiveness, keeps apart operating device, soft isolation operating device that opens through setting up the inlet wire, on the one hand can be convenient respectively to inlet wire isolator, soft isolator control, on the other hand need not to operate with the help of the instrument again in operation process, convenient operation and security height.
2. The utility model discloses a set up ground connection isolator, ground connection isolator with the inlet wire isolator cooperation is used to keep apart operating device and inlet wire through ground connection and keep apart the linkage of operating device, can guarantee the main branch-ground and close, the ground divides-the order action that closes mainly, guarantees the security of operation promptly, forms the self preservation and protects the function.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the partial structure of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 2;
fig. 5 is a schematic structural view of the medium incoming line isolation operating mechanism of the present invention;
fig. 6 is an electrical schematic diagram of the present invention.
In the figure: 1. a base; 2. a post insulator; 3. a moving contact; 4. a soft start resistance; 5. a soft start isolation operating mechanism; 6. an incoming line isolation operating mechanism; 61. an insulating column; 62. a rotating member; 63. a pull rod; 7. a column; 9. static contact; 10. a grounding isolation switch; 11. a ground isolation operating mechanism; 111. a first link; 112. a second link; 113. a cam; 114. rotating the rod; 12. and (4) a support column.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Most of the existing isolating switches are assembled together with resistors on site for use, so that on one hand, the occupied area is large, the assembly is inconvenient, on the other hand, the linkage is poor, the sequential actions of main division-ground combination-ground division-main combination of the switches cannot be ensured, and the safety is low.
To solve the above problems, as shown in fig. 1 to 6: the utility model provides a self preservation protects high voltage isolator, including stand 7, stand 7 top fixedly connected with base 1, base 1 top bilateral symmetry is equipped with a plurality of evenly distributed's post insulator 2, equal fixed mounting in the post insulator 2 top of both sides has static contact 9, still be equipped with support column 12 between two adjacent post insulators 2, support column 12 top swing joint has two moving contacts 3 corresponding with post insulator 2 position, wherein the moving contact 3 of one side is as the inlet wire end, opposite side moving contact 3 is as the load end, moving contact 3 forms inlet wire isolator with the static contact 9 cooperation of inlet wire end use, the bottom of two moving contacts 3 still is provided with the inlet wire isolation operating device 6 that is used for controlling inlet wire isolator to open and shut, still be provided with soft start isolator between support column 12 top and the post insulator 2 of one side wherein, soft start isolator is located the load end, soft start isolator's bottom is provided with soft start isolation operating device 5 that is used for controlling soft start isolator to open and shut.
Specifically, a self preservation protects high voltage isolator, including stand 7, stand 7 bottom is fixed in the level subaerial, stand 7 top fixedly connected with base 1, base 1 comprises a plurality of channel-section steels, base 1 top bilateral symmetry is equipped with a plurality of evenly distributed's post insulator 2, the model of post insulator 2 is the resistant type post insulator 2 of ZSW-40.5, the height of post insulator 2 is 600mm, the equal fixed mounting in post insulator 2 top of both sides has the static contact, still be equipped with support column 12 between two adjacent post insulators 2, the material of support column 12 is insulating material, support column 12 bottom and base 1 fixed connection, support column 12 top swing joint has two moving contacts 3 corresponding with post insulator 2 position, moving contact 3 of one side wherein is as the inlet wire end, opposite side moving contact 3 is as external load end, moving contact 3 uses with the static contact cooperation of inlet wire end to form inlet wire isolator, the bottom of two moving contacts 3 still is provided with the isolation operating device 6 that is used for controlling inlet wire isolator to open and shut, still be provided with soft isolator between moving contact 3 top and the inlet wire end, soft isolator's bottom is equipped with the isolation operating device 5.
This embodiment, through setting up inlet wire isolator, soft isolator that opens to with inlet wire isolator, soft isolator that opens all install on base 1, the integrated level is high, the installation of being convenient for has improved the installation effectiveness, keep apart operating device 6, soft isolation operating device 5 that opens through setting up the inlet wire, on the one hand can be convenient respectively to inlet wire isolator, soft isolator that opens control, on the other hand need not to operate with the help of the instrument again in operation process, convenient operation and security height.
According to the utility model discloses an embodiment, as shown in fig. 1, support column 12 top also is provided with the static contact, and soft isolator that opens includes one end and the soft resistance 4 that opens of post insulator 2 articulated, and soft resistance 4's the other end of opening is connected with the static contact on the support column 12, through setting up soft resistance 4 that opens, can reduce impulse current and play overcurrent protection effect.
According to the utility model discloses a further embodiment, as shown in fig. 5, operating device 6 is kept apart to inlet wire and soft 5 structures that open the isolation operating device the same, all includes insulating column 61, rotates piece 62 and pull rod 63, insulating column 61 top and 3 bottom swing joint of moving contact, insulating column 61 bottom and pull rod 63 top swing joint, it is articulated with base 1 to rotate piece 62 one end, rotates the piece 62 other end and is articulated with pull rod 63.
This embodiment, through setting up insulating column 61, security when can guaranteeing the operation, when using, through drive pull rod 63, pull rod 63 drives and rotates piece 62 and insulating column 61 and move down, and insulating column 61 drives moving contact 3 and moves down to make moving contact 3 and static contact be connected, the switch-on circuit, convenient operation.
In an embodiment of the utility model, as shown in fig. 1-3, the outside still is provided with ground connection isolator 10, ground connection isolator 10 uses with the cooperation of inlet wire isolator, ground connection isolator 10 bottom still is provided with ground connection isolation operating device 11 that is used for controlling ground connection isolator 10 to open and shut, ground connection isolation operating device 11 includes first connecting rod 111, second connecting rod 112, cam 113 and dwang 114, first connecting rod 111 rotates with base 1 to be connected, and first connecting rod 111 run through a plurality of isolator and with isolator's one end fixed connection, second connecting rod 112 one end and first connecting rod 111 swing joint, second connecting rod 112 is used for driving first connecting rod 111 to rotate, the other end of second connecting rod 112 is articulated with cam 113, cam 113 is applicable to drive second connecting rod 112 and removes, dwang 114 and cam 113 fixed connection, dwang 114 is applicable to drive cam 113 and rotates.
In this embodiment, when the grounding isolation switch 10 is operated, the rotating rod 114 is driven to rotate, the rotating rod 114 drives the cam 113 to rotate, the cam 113 drives the second connecting rod 112 to move, the second connecting rod 112 drives the first connecting rod 111 to rotate, and the movable end of the grounding isolation switch 10 rotates, so that the opening and closing control is realized, and the operation is convenient.
The utility model discloses a set up inlet wire isolator, soft isolator that opens, and with inlet wire isolator, soft isolator that opens all install on base 1, the integrated level is high, and the installation of being convenient for has improved installation effectiveness, through setting up inlet wire isolation operating device 6, soft isolation operating device 5 that opens, on the one hand can be convenient respectively to inlet wire isolator, soft isolator control, on the other hand need not to operate with the help of the instrument again in the operation process, convenient operation and security height; by arranging the grounding isolating switch 10, the grounding isolating switch 10 is matched with the inlet wire isolating switch for use, and is linked with the inlet wire isolating operating mechanism 6 through the grounding isolating operating mechanism 11, the sequential actions of main division-grounding closing and ground division-main closing can be ensured, namely, the safety of operation is ensured, and a self-protection function is formed.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (8)
1. A self-protection high-voltage isolating switch is characterized in that: the automatic opening and closing device is characterized by comprising a stand column (7), wherein a base (1) is fixedly connected to the top of the stand column (7), a plurality of uniformly distributed post insulators (2) are symmetrically arranged on two sides of the top of the base (1), static contacts (9) are arranged on the top ends of the post insulators (2) on two sides, a support column (12) is arranged between every two adjacent post insulators (2), two movable contacts (3) corresponding to the positions of the post insulators (2) are movably connected to the top ends of the support column (12), the movable contacts (3) are matched with the static contacts to form an incoming line isolating switch, the bottom of each movable contact (3) is further provided with an incoming line isolating operation mechanism (6) used for controlling the incoming line isolating switch to be opened and closed, a soft opening isolating switch is further arranged between the top end of each support column (12) and the post insulator (2) on one side of the support column, and a soft opening isolating operation mechanism (5) used for controlling the soft opening and closing of the soft opening isolating switch is arranged on the bottom of the soft opening isolating switch.
2. The self-protecting high-voltage isolating switch of claim 1, wherein: the soft start isolating switch comprises a soft start resistor (4) with one end hinged to the supporting insulator (2), and the other end of the soft start resistor (4) is connected with the fixed contact on the supporting column (12).
3. The self-protecting high-voltage isolating switch of claim 1, wherein: operating device (6) is kept apart with soft opening to the inlet wire and operating device (5) structure is the same, all includes insulating column (61), rotates piece (62) and pull rod (63), insulating column (61) top and moving contact (3) bottom swing joint, insulating column (61) bottom and pull rod (63) top swing joint, it is articulated with base (1) to rotate piece (62) one end, and it is articulated with pull rod (63) to rotate piece (62) other end.
4. The self-protecting high-voltage isolating switch of claim 1, wherein: the base (1) outside still is provided with ground connection isolator (10), ground connection isolator (10) with inlet wire isolator uses in the cooperation.
5. The self-protecting high-voltage isolating switch of claim 4, wherein: and the bottom of the grounding isolating switch (10) is also provided with a grounding isolating operation mechanism (11) for controlling the opening and closing of the grounding isolating switch (10).
6. The self-protecting high-voltage isolating switch of claim 5, wherein: operating device (11) is kept apart to ground connection includes first connecting rod (111), second connecting rod (112), cam (113) and dwang (114), first connecting rod (111) with base (1) rotates to be connected, and first connecting rod (111) run through a plurality of isolator and with isolator's one end fixed connection, second connecting rod (112) one end with first connecting rod (111) swing joint, second connecting rod (112) are used for driving first connecting rod (111) and rotate, the other end of second connecting rod (112) is articulated with cam (113), and cam (113) are applicable to and drive second connecting rod (112) and remove, dwang (114) and cam (113) fixed connection, and dwang (114) are applicable to and drive cam (113) and rotate.
7. The self-protecting high-voltage isolating switch of claim 1, wherein: the post insulator (2) is a ZSW-40.5 stain-resistant post insulator (2), and the height of the post insulator (2) is 600mm.
8. The self-protecting high-voltage isolating switch of claim 1, wherein: the support column (12) is made of an insulating material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221663693.9U CN218160133U (en) | 2022-06-30 | 2022-06-30 | Self-protection high-voltage isolating switch |
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CN202221663693.9U CN218160133U (en) | 2022-06-30 | 2022-06-30 | Self-protection high-voltage isolating switch |
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CN218160133U true CN218160133U (en) | 2022-12-27 |
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CN202221663693.9U Active CN218160133U (en) | 2022-06-30 | 2022-06-30 | Self-protection high-voltage isolating switch |
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- 2022-06-30 CN CN202221663693.9U patent/CN218160133U/en active Active
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