CN214477172U

CN214477172U - AC vacuum contactor

Info

Publication number: CN214477172U
Application number: CN202120986707.XU
Authority: CN
Inventors: 曹贵旺; 程志永
Original assignee: Jingdezhen Zhenkong Electrical Appliance Co ltd
Current assignee: Jingdezhen Zhenkong Electrical Appliance Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-10-22
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses an AC vacuum contactor relates to the contactor field, including the vacuum contactor body, the equal fixedly connected with installation piece in the left and right sides of vacuum contactor body, two the equal fixedly connected with bracing piece in top of installation piece, two the common fixedly connected with roof in top of bracing piece, the upper surface of roof is provided with water cooling mechanism, the lower surface of roof is provided with air-cooled mechanism, radiator fan in the air-cooled mechanism blows to the cooling tube that water cooling mechanism used to form heat exchange with the coolant liquid in the cooling tube, blow the cold wind and dispel the heat to it fast to the vacuum contactor body. The utility model discloses can still can dispel the heat to the vacuum contactor body when the temperature is higher in the looped netowrk cabinet, improve the life of vacuum contactor body.

Description

AC vacuum contactor

Technical Field

The utility model relates to a contactor field, in particular to AC vacuum contactor.

Background

The vacuum contactor utilizes a vacuum arc-extinguishing chamber to extinguish arc, is used for frequently switching on and switching off normal working current, is usually used for remotely switching on and switching off medium-voltage and low-voltage frequently-started and stopped 6kV and 380V, and comprises the vacuum arc-extinguishing chamber and an operating mechanism, wherein the vacuum arc-extinguishing chamber has two functions of reliably extinguishing arc when the normal working current and the frequent switching off working current are passed, but overload current and short-circuit current cannot be switched off, the operating mechanism consists of a holding coil with an iron core and an armature, the coil is electrified to attract the armature, and the contactor is closed; when the coil is in power failure, the contactor is disconnected, and the holding coil generally has two forms of direct current and alternating current.

The vacuum contactor is generally installed in the ring main unit, when the temperature of the vacuum contactor is higher, the vacuum contactor needs to be cooled, in the prior art, the vacuum contactor is mostly cooled by air, and when the overall temperature of the ring main unit is higher, the air extracted by the cooling fan from the ring main unit is still hot air, so that the purpose of cooling the vacuum contactor cannot be achieved.

Therefore, it is necessary to invent an ac vacuum contactor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an AC vacuum contactor to the mode of using the forced air cooling who proposes in solving above-mentioned background art dispels the heat to it, and when the bulk temperature in the looped netowrk cabinet is higher, the wind that radiator fan extracted from the looped netowrk cabinet is still hot-blast, can't reach the problem to the radiating purpose of vacuum contactor.

In order to achieve the above object, the utility model provides a following technical scheme: alternating current vacuum contactor, including the vacuum contactor body, the equal fixedly connected with installation piece in the left and right sides of vacuum contactor body, two the equal fixedly connected with bracing piece in top of installation piece, two the common fixedly connected with roof in top of bracing piece, the upper surface of roof is provided with water cooling mechanism, the lower surface of roof is provided with air cooling mechanism, radiator fan in the air cooling mechanism blows to the cooling tube that water cooling mechanism used to form heat exchange with the coolant liquid in the cooling tube, blows to the vacuum contactor body with the cold wind and dispels the heat fast to it.

Preferably, water-cooling mechanism includes water tank, water pump, outlet pipe, cooler bin, cooling tube and inlet tube, water tank, water pump and cooler bin all with the top fixed connection of roof, the water tank communicates with each other with the water pump, the output and the outlet pipe of water pump are linked together, the one end of outlet pipe pass the cooler bin and with the fixed intercommunication in right side top of cooling tube, the inlet tube communicates with the left side top of cooling tube is fixed, the one end that the cooling tube was kept away from to the inlet tube communicates with the left side of water tank is fixed, the left and right sides of cooling tube respectively with two one side fixed connection that the bracing piece is relative.

Preferably, the air cooling mechanism includes radiator fan, air-out pipe and wide-mouth cover, radiator fan's bottom and the top fixed connection of roof, the air-out pipe is connected with radiator fan, the bottom of air-out pipe and the top fixed connection of wide-mouth cover.

Preferably, vacuum contactor body bottom is provided with installation mechanism, installation mechanism includes mounting panel, L type fixed plate, threaded rod, a plurality of screw thread section of thick bamboo, a plurality of catch bar and a plurality of inserted bar, the bottom fixed connection of mounting panel and vacuum contactor body, the bottom of L type fixed plate and the top fixed connection of mounting panel, the cavity has been seted up in the mounting panel, the threaded rod passes through the bearing and is connected with the inner wall rotation of cavity, the outer wall of threaded rod all with a plurality of screw thread section of thick bamboo threaded connection, it is a plurality of the lateral wall of screw thread section of thick bamboo all rotates through pivot and a plurality of catch bar and is connected, the one end that the screw thread section of thick bamboo was kept away from to the catch bar rotates with the inserted bar and is connected, the jack corresponding with the inserted bar is all seted up with the left and right sides of cavity to L type fixed plate.

Preferably, a plurality of equal fixedly connected with slider in one side that the catch bar was kept away from to the screw thread section of thick bamboo, the corresponding spout of slider has been seted up to the inner wall of installation piece.

Preferably, one side of the L-shaped fixing plate is fixedly connected with a spring, and one end, far away from the L-shaped fixing plate, of the spring is fixedly connected with the rear side of the mounting block.

The utility model discloses a technological effect and advantage:

through being provided with water cooling mechanism at the top of roof, and be provided with air cooling mechanism in the bottom of roof, through starting radiator fan and water pump, the water pump takes out water from the water tank, and carry to in the outlet pipe, the rethread outlet pipe enters into the cooler bin, the coolant liquid in the cooler bin cools off the water in the outlet pipe, and carry the water after will cooling to in the cooler bin, radiator fan carries wind to in the outlet pipe, the air-out scope of outlet pipe is enlarged to the rethread use wide gauze mask, when wind passes through the cooler bin, heat exchange takes place with the water in the cooler bin, thereby make the wind turn cold, carry the wind that becomes cold to vacuum contactor body department and dispel the heat to it, can still can dispel the heat to the vacuum contactor body when the temperature is higher in the looped netowrk cabinet, the life of vacuum contactor body has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion B of fig. 2 according to the present invention.

In the figure: 1. a vacuum contactor body; 2. mounting blocks; 3. a support bar; 4. a top plate; 5. a water cooling mechanism; 51. a water tank; 52. a water pump; 53. a water outlet pipe; 54. a cooling tank; 55. a cooling tube; 56. a water inlet pipe; 6. an air cooling mechanism; 61. a heat radiation fan; 62. an air outlet pipe; 63. wide mouth mask; 7. an installation mechanism; 71. mounting a plate; 72. an L-shaped fixing plate; 73. a threaded rod; 74. a threaded barrel; 75. a push rod; 76. inserting a rod; 8. a slider; 9. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an exchange vacuum contactor as shown in fig. 1-3, including vacuum contactor body 1, the equal fixedly connected with installation piece 2 in the left and right sides of vacuum contactor body 1, the equal fixedly connected with bracing piece 3 in the top of two installation pieces 2, the common fixedly connected with roof 4 in top of two bracing pieces 3, the upper surface of roof 4 is provided with water cooling mechanism 5, the lower surface of roof 4 is provided with air-cooled mechanism 6, radiator fan 61 in the air-cooled mechanism 6 blows to the cooling tube 55 that water cooling mechanism 5 used to with the cooling liquid formation heat exchange in the cooling tube 55, blow the cooling wind to vacuum contactor body 1 and carry out quick heat dissipation to it.

Meanwhile, the water cooling mechanism 5 comprises a water tank 51, a water pump 52, a water outlet pipe 53, a cooling tank 54, a cooling pipe 55 and a water inlet pipe 56, the water tank 51, the water pump 52 and the cooling tank 54 are all fixedly connected with the top of the top plate 4, the water tank 51 is communicated with the water pump 52, the output end of the water pump 52 is communicated with the water outlet pipe 53, one end of the water outlet pipe 53 penetrates through the cooling tank 54 and is fixedly communicated with the top of the right side of the cooling pipe 55, the water inlet pipe 56 is fixedly communicated with the top of the left side of the cooling pipe 55, one end of the water inlet pipe 56, which is far away from the cooling pipe 55, is fixedly communicated with the left side of the water tank 51, the left side and the right side of the cooling pipe 55 are respectively fixedly connected with one side opposite to the two support rods 3, the air cooling mechanism 6 comprises a heat dissipation fan 61, an air outlet pipe 62 and a wide mouth cover 63, the bottom of the heat dissipation fan 61 is fixedly connected with the top of the top plate 4, the air outlet pipe 62 is connected with the top of the wide mouth cover 63, the cooling fan 61 and the water pump 52 are started, the water pump 52 extracts water from the water tank 51 and conveys the water into the water outlet pipe 53, the water enters the cooling box 54 through the water outlet pipe 53, the cooling liquid in the cooling box 54 cools the water in the water outlet pipe 53 and conveys the cooled water into the cooling pipe 55, the cooling fan 61 conveys air into the air outlet pipe 62, the air outlet range of the air outlet pipe 62 is enlarged by using the wide-mouth mask 63, and the air is exchanged with the water in the cooling pipe 55 when passing through the cooling pipe 55, so that the air is cooled, and the cooled air is conveyed to the vacuum contactor body 1 to be cooled.

Next, an installation mechanism 7 is arranged at the bottom of the vacuum contactor body 1, the installation mechanism 7 comprises an installation plate 71, an L-shaped fixing plate 72, a threaded rod 73, a plurality of threaded cylinders 74, a plurality of push rods 75 and a plurality of insertion rods 76, the installation plate 71 is fixedly connected with the bottom of the vacuum contactor body 1, the bottom of the L-shaped fixing plate 72 is fixedly connected with the top of the installation plate 71, cavities are arranged in the installation blocks 2, the threaded rod 73 is rotatably connected with the inner walls of the cavities through bearings, the outer wall of the threaded rod 73 is in threaded connection with the plurality of threaded cylinders 74, the side walls of the plurality of threaded cylinders 74 are rotatably connected with the plurality of push rods 75 through rotating shafts, one ends of the push rods 75 far away from the threaded cylinders 74 are rotatably connected with the insertion rods 76, the left and right sides of the L-shaped fixing plate 72 and the cavities are provided with insertion holes corresponding to the insertion rods 76, the installation plate 71 is installed by using bolts, and pushes the two installation blocks 2, two springs 9 are extruded by two mounting blocks 2, so that the two springs 9 are inwards contracted, when the insertion rod 76 corresponds to the insertion hole in the L-shaped fixing plate 72, the threaded rod 73 is rotated, the threaded rod 73 pushes the plurality of threaded cylinders 74 through the principle of threaded movement, the threaded cylinders 74 pull the slide block 8, so that the slide block 8 slides in the sliding groove, the push rod 75 is pushed, the push rod 75 pushes the insertion rod 76, the insertion rod 76 is inserted into the insertion hole in the L-shaped fixing plate 72, and the vacuum contactor body 1 is mounted.

More specifically, the equal fixedly connected with slider 8 in one side that catch bar 75 was kept away from to a plurality of screw thread section of thick bamboo 74, the corresponding spout with slider 8 is seted up to the inner wall of installation piece 2, and screw thread section of thick bamboo 74 pulling slider 8 for slider 8 slides in the spout, can slide and lead to screw thread section of thick bamboo 74.

It should be further noted that a spring 9 is fixedly connected to one side of the L-shaped fixing plate 72, one end of the spring 9, which is far away from the L-shaped fixing plate 72, is fixedly connected to the rear side of the mounting block 2, and the spring 9 is pressed by using the mounting block 2, so that the spring 9 is deformed, and when the mounting block 2 needs to be taken out, the mounting block can be pushed out by using the elastic force of the spring 9.

The utility model discloses the theory of operation:

the mounting plate 71 is mounted by using bolts, the two mounting blocks 2 are pushed, the two mounting blocks 2 extrude the two springs 9, the two springs 9 are enabled to contract inwards, when the insertion rod 76 corresponds to the insertion hole in the L-shaped fixing plate 72, the threaded rod 73 is rotated, the threaded rod 73 pushes the plurality of threaded cylinders 74 through the principle of threaded movement, the threaded cylinders 74 pull the sliding block 8, the sliding block 8 slides in the sliding groove and pushes the push rod 75, the push rod 75 pushes the insertion rod 76, the insertion rod 76 is inserted into the insertion hole in the L-shaped fixing plate 72, the vacuum contactor body 1 is mounted, when the vacuum contactor body 1 needs to be cooled, the heat dissipation fan 61 and the water pump 52 are started, the water pump 52 pumps water from the water tank 51 and conveys the water to the water outlet pipe 53, then enters the cooling tank 54 through the water outlet pipe 53, the cooling liquid in the cooling tank 54 cools the water in the water outlet pipe 53, and the cooled water is conveyed into the cooling pipe 55, the heat radiation fan 61 conveys the air into the air outlet pipe 62, the air outlet range of the air outlet pipe 62 is expanded by using the wide-mouth mask 63, and the air is subjected to heat exchange with the water in the cooling pipe 55 when passing through the cooling pipe 55, so that the air is cooled, and the cooled air is conveyed to the vacuum contactor body 1 to be radiated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. AC vacuum contactor, including vacuum contactor body (1), its characterized in that: the equal fixedly connected with installation piece (2) of the left and right sides of vacuum contactor body (1), two the equal fixedly connected with bracing piece (3) in top of installation piece (2), two the common fixedly connected with roof (4) in top of bracing piece (3), the upper surface of roof (4) is provided with water cooling mechanism (5), the lower surface of roof (4) is provided with air-cooled mechanism (6), radiator fan (61) in air-cooled mechanism (6) will blow to cooling tube (55) that water cooling mechanism (5) were used to form heat exchange with the coolant liquid in cooling tube (55), blow to vacuum contactor body (1) with the cold wind and carry out quick heat dissipation to it.

2. The ac vacuum contactor as claimed in claim 1, wherein: water-cooling mechanism (5) include water tank (51), water pump (52), outlet pipe (53), cooler bin (54), cooling tube (55) and inlet tube (56), water tank (51), water pump (52) and cooler bin (54) all with the top fixed connection of roof (4), water tank (51) and water pump (52) communicate each other, the output and outlet pipe (53) of water pump (52) are linked together, the one end of outlet pipe (53) is passed cooler bin (54) and is fixed the intercommunication with the right side top of cooling tube (55), inlet tube (56) and the fixed intercommunication in left side top of cooling tube (55), the one end of cooling tube (55) and the fixed intercommunication in left side of water tank (51) are kept away from in inlet tube (56), the left and right sides of cooling tube (55) respectively with two bracing pieces (3) relative one side fixed connection.

3. The ac vacuum contactor as claimed in claim 1, wherein: air-cooled mechanism (6) are including radiator fan (61), air-out pipe (62) and wide-mouth cover (63), the bottom of radiator fan (61) and the top fixed connection of roof (4), air-out pipe (62) is connected with radiator fan (61), the bottom of air-out pipe (62) and the top fixed connection of wide-mouth cover (63).

4. The ac vacuum contactor as claimed in claim 1, wherein: the vacuum contactor comprises a vacuum contactor body (1), wherein the bottom of the vacuum contactor body (1) is provided with an installation mechanism (7), the installation mechanism (7) comprises an installation plate (71), an L-shaped fixing plate (72), a threaded rod (73), a plurality of threaded cylinders (74), a plurality of push rods (75) and a plurality of insertion rods (76), the installation plate (71) is fixedly connected with the bottom of the vacuum contactor body (1), the bottom of the L-shaped fixing plate (72) is fixedly connected with the top of the installation plate (71), cavities are formed in installation blocks (2), the threaded rod (73) is rotatably connected with the inner wall of each cavity through bearings, the outer wall of the threaded rod (73) is in threaded connection with the plurality of threaded cylinders (74), the side walls of the threaded cylinders (74) are rotatably connected with the plurality of push rods (75) through rotating shafts, one end, far away from the threaded cylinders (74), of each push rod (75) is rotatably connected with the insertion rods (76), the left side and the right side of the L-shaped fixing plate (72) and the cavity are both provided with jacks corresponding to the inserted rods (76).

5. The ac vacuum contactor as claimed in claim 4, wherein: a plurality of equal fixedly connected with slider (8) in one side that the catch bar (75) was kept away from to screw thread section of thick bamboo (74), the corresponding spout with slider (8) is seted up to the inner wall of installation piece (2).

6. The ac vacuum contactor as claimed in claim 4, wherein: one side fixedly connected with spring (9) of L type fixed plate (72), the one end that L type fixed plate (72) were kept away from in spring (9) is with the rear side fixed connection of installation piece (2).