CN115881466A - Rain-proof auxiliary switch of high voltage isolator - Google Patents

Rain-proof auxiliary switch of high voltage isolator Download PDF

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Publication number
CN115881466A
CN115881466A CN202211648172.0A CN202211648172A CN115881466A CN 115881466 A CN115881466 A CN 115881466A CN 202211648172 A CN202211648172 A CN 202211648172A CN 115881466 A CN115881466 A CN 115881466A
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CN
China
Prior art keywords
gear
auxiliary switch
hole
box body
switch
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Application number
CN202211648172.0A
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Chinese (zh)
Inventor
杨建伟
罗辉
王振星
马津
张远
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Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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Application filed by Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd filed Critical Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority to CN202211648172.0A priority Critical patent/CN115881466A/en
Publication of CN115881466A publication Critical patent/CN115881466A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

A rain-proof auxiliary switch of a high-voltage isolating switch comprises a conversion component, a box body and an auxiliary switch, wherein the conversion component is connected with the auxiliary switch and arranged in the box body, the conversion component is provided with a first gear, a second gear and a third gear, and the first gear, the second gear and the third gear are meshed with each other; the box body comprises an upper interface, a slope-shaped plate, a concave bottom cover, a plurality of connecting holes and a plurality of water outlet holes, wherein the upper interface is arranged at an opening at one end of the box body, the plurality of connecting holes are arranged at an opening at the other end of the box body, a plurality of sleeve-connecting holes are formed in the concave bottom cover, the concave bottom cover is sleeved at an opening at the other end of the box body through the matching of the plurality of connecting holes and the plurality of sleeve-connecting holes, a U-shaped opening is formed in one side, close to the operating mechanism, of the upper interface, the slope-shaped plate is arranged at the bending position of the box body and close to one side of the concave bottom cover, and the plurality of water outlet holes are formed in the lowest end of the slope-shaped plate; the invention has convenient installation and the function of preventing rainwater from flowing into the auxiliary switch.

Description

Rain-proof auxiliary switch of high voltage isolator
Technical Field
The invention belongs to the technical field of high-voltage isolating switches, and particularly relates to a rainproof auxiliary switch of a high-voltage isolating switch.
Background
An isolating switch is a high-voltage electrical appliance which can be used for switching on and off a circuit under the condition of no load current, and is used for changing circuit connection or isolating a line or equipment from a power supply. The purpose of the isolating switch is mainly as follows:
(1) The high-voltage power supply is used for isolating the power supply and disconnecting the high-voltage maintenance equipment from the electrified equipment, so that an obvious visible disconnection point is arranged between the high-voltage maintenance equipment and the electrified equipment.
(2) The disconnecting switch is matched with the circuit breaker, and switching operation is carried out according to the requirement of a system operation mode so as to change the system operation wiring mode.
(3) To switch on or off a low current circuit.
The high-voltage isolating switch generally comprises a switch body, an operating mechanism, an auxiliary switch and the like.
The auxiliary switch of the general isolating switch is configured at the bottom of an operating rod of the isolating switch, and is used for opening, closing, signal control and interlocking protection of a secondary control loop, and can also be used as a combined switch and a change-over switch. Because the auxiliary switch is generally arranged at the bottom of an operating rod of an outdoor isolating switch, the auxiliary switch is easy to enter water due to poor sealing in rainy days, and the entering water flows into the auxiliary switch to cause direct current grounding or short circuit of a secondary circuit, so that intermittent grounding is often formed when the water is not accumulated too much, and even misoperation of other electric circuits is formed when two points are grounded. The water can also form rust, once local rust occurs, the paint skin at the rust part falls off and can quickly extend to the periphery, so that the defect area is enlarged, and the normal operation of the isolating switch is influenced.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the rain-proof auxiliary switch of the high-voltage isolating switch, which effectively solves the technical problems of corrosion, grounding and short circuit of the auxiliary switch of the isolating switch caused by rainwater infiltration.
The invention adopts the following technical scheme.
A rain-proof auxiliary switch of a high-voltage isolating switch comprises a conversion component, a box body and an auxiliary switch, wherein the rain-proof auxiliary switch of the high-voltage isolating switch is arranged on an operating mechanism, and the conversion component is connected with the auxiliary switch and is arranged in the box body; the conversion assembly is provided with a first gear, a second gear and a third gear, wherein the first gear, the second gear and the third gear are meshed with each other; the box structure is for turning the tube-shape, and the box includes the interface, the slope template, concave type bottom, a plurality of connecting holes and a plurality of apopore, and the one end opening part of box is provided with the interface, and other end opening part is provided with a plurality of connecting holes, is provided with a plurality of holes of cup jointing on the concave type bottom, and the other end opening part at the box is cup jointed through the cooperation in a plurality of connecting holes and a plurality of holes of cup jointing to concave type bottom, and the one side that goes up the interface and be close to operating device is provided with U type opening, and the slope template setting just is close to concave type bottom one side at box bending department, and a plurality of apopores set up in slope template lower extreme.
Furthermore, the conversion assembly comprises a support plate, a crank arm, a first gear fixing bolt, an auxiliary switch connecting pin and a second gear fixing bolt;
the supporting plate is a flat plate, a crank arm is arranged at one end of the supporting plate, the first gear, the second gear and the third gear are fixed on the supporting plate through a first gear fixing bolt, the first gear and the second gear penetrate through the supporting plate and then are fixed through a second gear fixing bolt, and an auxiliary switch connecting pin is arranged at one end of the third gear.
Furthermore, the conversion component also comprises a crank arm hole;
the upper surface of the connecting lever is provided with a plurality of lever holes, and the connecting lever is fixedly connected with the operating mechanism base through the lever holes.
Further, the conversion assembly further comprises an operating rod connecting rod and a through hole;
the perforation sets up at the action bars connecting rod both ends, and one end is perforated and is linked to each other with operating device, and the other end is perforated and is linked to each other with first gear.
Furthermore, the shape of the upper interface is suitable for the shape of the operating mechanism base and is circular, square or rectangular.
Furthermore, the box is provided with the interface one end and is provided with the fixed orifices, and the box passes through the fixed orifices with the operating device base to be connected.
Furthermore, the concave bottom cover is provided with a cable hole, and a cable penetrates into the box body through the cable hole to be connected with the auxiliary switch.
Furthermore, one side of the box body is provided with a plurality of fixing long holes.
Further, the auxiliary switch comprises a hanging plate;
the hanging plate is arranged at one end of the shell of the auxiliary switch body and is fixedly connected with the box body through the fixing long hole.
Further, auxiliary switch is rectilinear structure, and the auxiliary switch shell is rain-proof transparent plastic, and one end is provided with the connecting rod, and the connecting rod sets up at same end with the fishplate bar, and the connecting rod passes through connecting pin and third gear connection, and the third gear drives auxiliary switch and rotates.
Compared with the prior art, the rain-proof box has the advantages that the upper connector arranged on the box body is the same as the old rain-proof cylinder, so that the rain-proof box is convenient to install and replace; the arranged U-shaped opening can facilitate the maintenance of the conversion assembly arranged on the auxiliary switch; the conversion assembly utilizes the three gears to shift, so that the auxiliary switch is far away from the water leakage position, and the path of rainwater flowing into the auxiliary switch is blocked; the box structure is for turning the tube-shape to be provided with the apopore, even there is the rainwater to get into also can flow out from the apopore rapidly, be provided with concave type bottom moreover, can make things convenient for wiring and daily inspection.
Drawings
Fig. 1 is a schematic structural view of a rain-proof auxiliary switch of a high-voltage isolating switch provided by the invention;
FIG. 2 is a top view of a switching assembly of a rain-proof auxiliary switch of a high-voltage isolating switch according to the present invention;
FIG. 3 is a schematic structural diagram of a rain-proof auxiliary switch conversion assembly of a high-voltage isolating switch according to the present invention;
FIG. 4 is a schematic structural diagram of a box body of the rainproof auxiliary switch of the high-voltage isolating switch of the invention;
1-a conversion component; 2-a box body; 3-an auxiliary switch; 101-a support plate; 102-a first gear; 103-second gear 103; 104-a third gear; 105-a crank arm; 106-crank arm holes; 107-first gear fixing bolt; 108-lever connecting rod; 109-perforating; 110-connecting pins; 111-second gear fixing bolt; 201-an upper interface; 202-fixing holes; 203-U-shaped opening; 204-water outlet; 205-fixing the slot; 206-connection hole; 207-concave bottom cover; 208-cable hole; 209-sleeve joint holes; 210-a ramp plate; 301-connecting rod; 302-hitch plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described clearly and completely in the following with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described in this application are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step based on the spirit of the present invention are within the scope of the present invention.
Fig. 1 is a schematic structural view of a rain-proof auxiliary switch of a high-voltage isolating switch, and as shown in fig. 1, the rain-proof auxiliary switch of the high-voltage isolating switch mainly comprises a conversion component 1, a box body 2 and an auxiliary switch 3, and the rain-proof auxiliary switch of the high-voltage isolating switch is fixed on an operating mechanism of the isolating switch.
As shown in fig. 2 and 3, the conversion assembly 1 includes a support plate 101, a first gear 102, a second gear 103, a third gear 104, a crank arm 105 and two crank arm holes 106; the supporting plate 101 is a flat plate, one end of the supporting plate is provided with a crank arm 105, three gears are arranged in the middle of the supporting plate 101, namely a first gear 102, a second gear 103 and a third gear 104 which are fixed on the supporting plate 101 through a first gear fixing bolt 107, and the first gear 102 and the second gear 103 penetrate through the supporting plate 101 and are fixed through a second gear fixing bolt 111; the first gear 102, the second gear 103 and the third gear 104 are meshed with each other and movably connected. The both ends of action bars connecting rod 108 are provided with perforation 109, action bars connecting rod 108 one end is cup jointed through perforation 109 and isolator action bars bottom, the other end links to each other with first gear 102, second gear 103 and first gear 102, third gear 104 interlock, play the transition effect, when the action bars rotates, utilize action bars connecting rod 108 to drive first gear 102 and rotate, first gear 102 drives second gear 103 and rotates, second gear 103 drives third gear 104 and rotates, the lower extreme of third gear 104 is provided with connecting pin 110, conversion component 1 is connected with the auxiliary switch through connecting pin 110, third gear 104 drives auxiliary switch 3 and rotates, thereby send isolator's action position signal for the control cabinet through the cable of connecting on auxiliary switch 3. The crank arm 105 has two crank arm holes 106 for fixing the support plate 101, and the support plate 101 can be fixed on the operating mechanism base by screws to prevent the position of the support plate 101 from changing. As shown in fig. 4, the box body 2 is in a shape of a crank cylinder, and includes an upper connector 201, a fixing hole 202, a U-shaped opening 203, a water outlet 204, a fixing long hole 205, a connecting hole 206, a concave bottom cover 207, a cable hole 208, a sleeve hole 209, and a slope plate 210, and is used for placing the conversion component 1.
An opening at one end of the box body 2 is provided with an upper interface 201, an opening at the other end is sleeved with a concave bottom cover 207, and the shape of the upper interface 201 is adapted to the shape of the operating mechanism base and is circular, square or rectangular.
The top of one side of the upper interface 201 close to the operating mechanism is provided with a fixing hole 202, and the box body 2 is connected with the operating mechanism base through the fixing hole 202 by screws.
One side of the upper interface 201 close to the operating mechanism is provided with a U-shaped opening 203, which is convenient for the connecting lever 105 to be fixedly connected with the operating mechanism base by screws.
One side of the box body 2 is provided with a fixing long hole 205 for connecting and fixing the auxiliary switch 3.
The box body 2 is suitable for and convenient for installation of the conversion component 1 and maintenance of the auxiliary switch 3.
A plurality of water outlet holes 204 are formed in one side, close to the concave bottom cover 207, of the lower end of the box body bending part of the box body 2, and the water outlet holes 204 are formed in the lowest end of the slope-shaped plate 210; the other lower end opening of the box body 2 is provided with 8 connecting holes 206 which are suitable for the insertion and the sleeve joint of a concave bottom cover. The concave bottom cover 207 is adapted to the lower end of the box body 2 and can be sleeved into the lower end of the box body 2, and the connecting hole 206 and the sleeving hole 209 are adapted in position and connected through screws.
A cable hole 208 is arranged at a proper position on the concave bottom cover 207, and is used for a cable to penetrate into the box body 2 to be connected with the auxiliary switch 3.
The abdominal cavity of the box body 2 is hollow, and the conversion component 1 and the auxiliary switch 3 can be integrally placed in the abdominal cavity.
Box 2 one end is slope appearance, in case there is rainwater entering box, can shunt the rainwater, flows out the box through the apopore 204 that sets up on the box 2.
One side of the box body 2 is provided with a fixing long hole 205 for connecting and fixing the auxiliary switch 3.
The lower end of the case 2 has a wire hole 206 through which a cable can be connected to the auxiliary switch 3.
The switching assembly 1 separates rainwater flowing down from the operation rod by using the three gears and flows out of the water outlet hole 204 through the slope-shaped plate 210 of the box body, so that the rainwater cannot flow into the auxiliary switch 3 through the third gear 104.
As shown in fig. 3, the auxiliary switch 3 is a vertical structure, the main body housing is made of rain-proof transparent plastic, and the upper end of the main body housing is provided with a connecting rod 301, which is connected with the third gear 104 by an auxiliary switch connecting pin 110.
The upper end of the shell of the auxiliary switch 3 body is provided with a hanging plate 302.
The hanging plate 302 can be adapted to the position of the fixing slot 205 and fixed by screws.
The auxiliary switch 3 is driven by the third gear 104.
The auxiliary switch 3 is connected with a secondary signal cable, and when the secondary signal cable moves along with the operating mechanism, the contact point of the secondary signal cable changes correspondingly, so that a position signal of the disconnecting switch of the isolating switch is transmitted into a signal processing system.
When the device is installed, the base is fixed on the channel steel, and the transmission rod is sleeved with the disconnecting switch operating rod through the through nail; the crank arm 105 of the conversion component 1 is fixed on the base of the operating mechanism, a cable penetrates into the cable hole 208 of the box body 2 and is sleeved in the box body 2, the cable is correspondingly connected into the auxiliary switch 3, the box body 2 is connected onto the base of the operating mechanism and is fastened by screws, the auxiliary switch 3 is fixed on the box body 2, the concave bottom cover 207 of the box body 2 is correspondingly sleeved in the bottom of the box body 2 and is fastened by the screws of the base, and during maintenance, the concave bottom cover 207 and the fixing screws of the auxiliary switch are taken down, so that the maintenance of the box body 2 can be detached.
Compared with the prior art, the rain-proof box has the advantages that the upper connector arranged on the box body is the same as the old rain-proof cylinder, so that the rain-proof box is convenient to install and replace; the arranged U-shaped opening can facilitate the maintenance of the conversion assembly arranged on the auxiliary switch; the conversion assembly utilizes the three gears to shift, so that the auxiliary switch is far away from the water leakage position, and the path of rainwater flowing into the auxiliary switch is blocked; the box structure is for turning the tube-shape to be provided with the apopore, even there is the rainwater to get into also can flow out from the apopore rapidly, be provided with concave type bottom moreover, can make things convenient for wiring and daily inspection.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (10)

1. The utility model provides a rain-proof auxiliary switch of high voltage isolator, sets up on operating device, including conversion components (1), box (2) and auxiliary switch (3), its characterized in that:
the conversion component (1) is connected with the auxiliary switch (3) and is arranged in the box body (2);
the conversion assembly (1) is provided with a first gear (102), a second gear (103) and a third gear (104), wherein the first gear (102), the second gear (103) and the third gear (104) are meshed with each other;
the box (2) structure is the turning tube-shape, box (2) are including last interface (201), slope type board (210), concave type bottom (207), a plurality of connecting hole (206) and a plurality of apopore (204), the one end opening part of box (2) is provided with interface (201), the other end opening part is provided with a plurality of connecting hole (206), be provided with a plurality of hole (209) of cup jointing on concave type bottom (207), concave type bottom (207) cup joint at the other end opening part of box (2) through the cooperation of a plurality of connecting hole (206) and a plurality of hole (209) of cup jointing, it is provided with U type opening (203) to go up one side that interface (201) is close to operating device, slope type board (210) set up in box (2) bending department and be close to concave type (207) one side of bottom, a plurality of apopore (204) set up in slope type board (210) lowest end.
2. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 1, wherein:
the conversion assembly (1) comprises a supporting plate (101), a crank arm (105), a first gear fixing bolt (107), an auxiliary switch (3) connecting pin (110) and a second gear fixing bolt (111);
the supporting plate (101) is flat, a crank arm (105) is arranged at one end of the supporting plate, the first gear (102), the second gear (103) and the third gear (104) are fixed on the supporting plate (101) through a first gear fixing bolt (107), the first gear (102) and the second gear (103) penetrate through the supporting plate (101) and then are fixed through a second gear fixing bolt (111), and a connecting pin (110) of the auxiliary switch (3) is arranged at one end of the third gear (104).
3. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 2, wherein:
the conversion component (1) further comprises a crank arm hole (106);
a plurality of crank arm holes (106) are formed in the crank arm (105), and the crank arm (105) is fixedly connected with the operating mechanism base through the crank arm holes (106).
4. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 1, wherein:
the conversion assembly (1) further comprises an operating rod connecting rod (108) and a through hole (109);
the through holes (109) are arranged at two ends of the operating rod connecting rod (108), one end of the through hole (109) is connected with the operating mechanism, and the other end of the through hole (109) is connected with the first gear (102).
5. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 1, wherein:
the shape of the upper interface (201) is suitable for the shape of the operating mechanism base and is circular, square or rectangular.
6. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 1, wherein:
one end of the box body (2) provided with the upper connector (201) is provided with a fixing hole (202), and the box body (2) is connected with the operating mechanism base through the fixing hole (202).
7. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 1, wherein:
the concave bottom cover (207) is provided with a cable hole (208), and a cable penetrates into the box body (2) through the cable hole (208) to be connected with the auxiliary switch (3).
8. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 1, wherein:
one side of the box body (2) is provided with a plurality of fixing long holes (205).
9. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 8, wherein:
the auxiliary switch (3) comprises a hanging plate (302);
the hanging plate (302) is arranged at one end of the shell of the auxiliary switch (3) body, and the hanging plate (302) is fixedly connected with the box body (2) through a fixing long hole (205).
10. The rainproof auxiliary switch of the high-voltage isolating switch as claimed in claim 9, wherein:
auxiliary switch (3) are rectilinear structure, and auxiliary switch (3) shell is rain-proof transparent plastic, and one end is provided with connecting rod (301), and connecting rod (301) and hitch plate (302) set up in same end, and connecting rod (301) are connected with third gear (104) through connecting pin (110), and third gear (104) drive auxiliary switch (3) and rotate.
CN202211648172.0A 2022-12-21 2022-12-21 Rain-proof auxiliary switch of high voltage isolator Pending CN115881466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211648172.0A CN115881466A (en) 2022-12-21 2022-12-21 Rain-proof auxiliary switch of high voltage isolator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211648172.0A CN115881466A (en) 2022-12-21 2022-12-21 Rain-proof auxiliary switch of high voltage isolator

Publications (1)

Publication Number Publication Date
CN115881466A true CN115881466A (en) 2023-03-31

Family

ID=85754213

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211648172.0A Pending CN115881466A (en) 2022-12-21 2022-12-21 Rain-proof auxiliary switch of high voltage isolator

Country Status (1)

Country Link
CN (1) CN115881466A (en)

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