CN112071674B - Multi-stage voltage conversion switch device - Google Patents
Multi-stage voltage conversion switch device Download PDFInfo
- Publication number
- CN112071674B CN112071674B CN202010961222.5A CN202010961222A CN112071674B CN 112071674 B CN112071674 B CN 112071674B CN 202010961222 A CN202010961222 A CN 202010961222A CN 112071674 B CN112071674 B CN 112071674B
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- insulating cylinder
- rod
- shaft
- fixedly welded
- conducting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0011—Voltage selector switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0044—Casings; Mountings; Disposition in transformer housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
Abstract
The invention discloses a multistage voltage conversion switch device which comprises an insulating cylinder, wherein an organic glass base is fixed at the bottom of the insulating cylinder, an upper baffle is arranged inside the insulating cylinder, a lower baffle is arranged inside the insulating cylinder, the upper baffle and the lower baffle are connected with an insulating rod in a rotating mode together, rubber sleeves are arranged at the joints of the upper baffle, the lower baffle and the insulating rod, the top of the insulating rod is connected with a first conductive shaft, the first conductive shaft penetrates through the insulating cylinder, a short conductive rod is fixedly welded at one end, located inside the insulating cylinder, of the first conductive shaft, the bottom of the insulating rod is connected with a second conductive shaft, a straight rod is fixedly welded at one end, located inside the organic glass base, of the second conductive shaft, and the straight rod is connected with a long conductive rod. Has the advantages that: the high-voltage interstage voltage changed by the resonance reactor and converted by the invention has no specific linear relation, wide range and wide voltage regulation range, and can output the multi-stage high voltage required by the test in sequence.
Description
Technical Field
The invention relates to the technical field of transfer switches, in particular to a multi-level voltage transfer switch device.
Background
When testing a large-electrostatic-capacity product, test equipment capable of outputting high voltage is needed so as to test the insulation level and the product performance of the tested product. The resonance test equipment can provide alternating current high voltage, and the rated voltage and the capacity of the power supply equipment can be greatly reduced. Different power frequency high voltages need to be output for different samples, and multiple power supply voltages are needed if no change-over switch is used for changing different voltage values, so that the working efficiency is reduced, and the cost input is increased.
The existing tap switch for the transformer has a complex structure, fixed level voltage and a limited adjustable range, is only suitable for fine adjustment when a power grid fluctuates, does not dissipate heat of the existing transformer, and can dissipate a large amount of heat after the transformer is used for a long time, so that the device is damaged.
Disclosure of Invention
The invention aims to solve the problems that a tap changer for a device in the prior art is complex in structure, fixed in stage voltage and limited in adjustable range, and provides a multi-stage voltage conversion switch device.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multistage voltage transfer switching device, includes the insulator cylinder, the insulator cylinder bottom is fixed with the organic glass base, the inside overhead gage that is provided with of insulator cylinder, the inside baffle that is provided with of insulator cylinder, the overhead gage rotates jointly with lower baffle and is connected with the insulator spindle, the overhead gage is provided with the rubber sleeve with lower baffle and insulator spindle junction, the insulator spindle top is connected with first conductive shaft, first conductive shaft runs through the insulator cylinder, first conductive shaft is located the inside one end welded fastening of insulator cylinder has short conductive pole, the insulator spindle bottom is connected with the conductive shaft of second, the one end welded fastening that the conductive shaft of second is located the organic glass base has the straight-bar, the straight-bar is connected with long conductive pole.
In foretell multistage voltage change over switch device, first conducting shaft is located the outside one end top welded fastening of insulator cylinder and has the switch sprocket, first conducting shaft is located the outside one side welded fastening of insulator cylinder and has a stopper rod, welded fastening has a spacing ring on the first conducting shaft, the spacing ring offsets with the insulator cylinder outside, the second conducting shaft runs through insulator cylinder and organic glass base, the second conducting shaft rotates in the organic glass base to be connected, the baffle is connected with high voltage output end down, first conducting shaft and organic glass base are connected with heat abstractor jointly.
In the multi-stage voltage conversion switch device, a sliding rod is fixedly welded at the top end of the straight rod, a sliding block is fixedly welded at the top end of the sliding rod, a sliding groove is formed in the long conducting rod, the sliding block slides in the sliding groove, a spring is fixedly welded at the bottom of the sliding groove, and the other end of the spring is fixedly welded on the sliding block.
In the above multistage voltage transfer switching device, the heat dissipation device comprises a first belt wheel coaxially connected to a first conductive shaft located outside the insulating cylinder, the first belt wheel is connected with a rubber synchronous belt, the rubber synchronous belt is connected with a second belt wheel, the second belt wheel is coaxially connected with a rotating shaft, a support is fixed outside the insulating cylinder, the rotating shaft rotates in the support, the top end of the rotating shaft is rotatably connected with two limiting frames, a fan blade is fixedly welded between the two limiting frames on the rotating shaft, the two limiting frames are fixedly welded with a fan shell together, the fan shell is fixedly welded outside the fan shell, a cooling water pipe is arranged in the organic glass base, the cooling water pipe is of a spiral structure, one end of the cooling water pipe is connected with a water outlet pipe, and the other end of the cooling water pipe is connected with a water inlet pipe, the water outlet pipe and the water inlet pipe penetrate through the organic glass base.
In the above multi-stage voltage conversion switch device, the upper baffle and the lower baffle divide the inside of the insulating cylinder into three parts, a cavity is formed between the upper baffle and the lower baffle, and insulating liquid is arranged in the cavity.
In foretell multistage voltage change over switch device, long conducting rod and short conducting rod top all are provided with the conductive ball, all be provided with a plurality of static balls on insulating cylinder and the organic glass base, the conductive ball offsets with the static ball.
In the above multi-stage voltage conversion switch device, the first belt pulley and the second belt pulley are in interference fit with the rubber synchronous belt, and the fan bracket is fixed on the insulating cylinder.
In foretell multistage voltage conversion switching device, outlet pipe and inlet tube are connected with the cooling pump jointly, the cooling pump is fixed on the organic glass base, fan housing corresponds with the cooling pump.
Compared with the prior art, the invention has the advantages that:
1. the invention has simple structure and convenient operation, is suitable for the resonance reactor, has no specific linear relation of the high voltage interstage voltage changed by the resonance reactor, has wide range and wide voltage regulation range, and can output the multi-stage high voltage required by the test in sequence without increasing additional cost.
2. Carry out the heat dissipation through condenser tube to the device and handle, the radiating effect of device has not only been guaranteed, make the device keep in a microthermal environment always, make the efficiency of device promote greatly, and can not exert an influence to the rotation of long conducting rod, it rotates to drive first band pulley through the rotation of first conducting shaft, thereby it is rotatory to make the rubber hold-in range, it is rotatory to drive the second band pulley, it is rotatory to make the pivot, thereby make the fan rotate, thereby cool down the cooling pump, the rotation of switch sprocket has been utilized, need not external motor, great saving the energy.
Drawings
Fig. 1 is a schematic structural diagram of a multi-stage voltage converting switch device according to the present invention;
fig. 2 is a side view of a multi-stage voltage transfer switching apparatus according to the present invention;
fig. 3 is a top view of a multi-level voltage transfer switching device according to the present invention;
fig. 4 is an enlarged view of a portion a of a multi-stage voltage conversion switching device according to the present invention;
fig. 5 is an enlarged view of a portion B of a multi-level voltage converting switching device according to the present invention.
In the figure: 1 insulating cylinder, 2 organic glass base, 3 upper baffle, 4 lower baffles, 5 insulating rods, 6 rubber sleeves, 7 first conductive shafts, 8 switch chain wheels, 9 limiting rods, 10 limiting rings, 11 short conductive rods, 12 conductive balls, 13 second conductive shafts, 14 straight rods, 15 long conductive rods, 16 static contact balls, 17 high-voltage output ends, 18 cavities, 19 fixing rings, 20 cooling water pipes, 21 water outlet pipes, 22 water inlet pipes, 23 first belt wheels, 24 rubber synchronous belts, 25 second belt wheels, 26 rotating shafts, 27 supports, 28 cooling pumps, 29 sliding chutes, 30 springs, 31 sliding blocks, 32 sliding rods, 33 limiting frames, 34 fan blades, 35 fan shells and 36 fan supports.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Referring to fig. 1-5, a multi-level voltage conversion switch device comprises an insulating cylinder 1, an organic glass base 2 is fixed at the bottom of the insulating cylinder 1, an upper baffle 3 is arranged inside the insulating cylinder 1, a lower baffle 4 is arranged inside the insulating cylinder 1, the upper baffle 3 and the lower baffle 4 are connected with an insulating rod 5 in a co-rotating manner, a rubber sleeve 6 is arranged at the joint of the upper baffle 3, the lower baffle 4 and the insulating rod 5, a first conductive shaft 7 is connected with the top of the insulating rod 5, the first conductive shaft 7 penetrates through the insulating cylinder 1, a short conductive rod 11 is fixedly welded at one end of the first conductive shaft 7 positioned inside the insulating cylinder 1, a second conductive shaft 13 is connected with the bottom of the insulating rod 5, a straight rod 14 is fixedly welded at one end of the second conductive shaft 13 positioned in the organic glass base 2, and a long straight rod 15 is connected with the straight rod 14 The system has wide range and wide voltage regulation range, and can output the multistage high voltage required by the test in sequence without increasing additional cost.
First conductive shaft 7 is located the outside one end top welded fastening of insulating cylinder 1 and has switch sprocket 8, first conductive shaft 7 is located insulating cylinder 1 outside one side welded fastening stopper 9, welded fastening stopper ring 10 on the first conductive shaft 7, stopper ring 10 offsets with the insulating cylinder 1 outside, second conductive shaft 13 runs through insulating cylinder 1 and organic glass base 2, second conductive shaft 13 rotates in organic glass base 2 and connects, baffle 4 is connected with high voltage output 17 down, first conductive shaft 7 and organic glass base 2 are connected with heat abstractor jointly.
A sliding rod 32 is fixedly welded at the top end of the straight rod 14, a sliding block 31 is fixedly welded at the top end of the sliding rod 32, a sliding groove 29 is formed in the long conducting rod 15, the sliding block 31 slides in the sliding groove 29, a spring 30 is fixedly welded at the bottom of the sliding groove 29, and the other end of the spring 30 is fixedly welded on the sliding block 31.
The heat dissipation device comprises a first belt wheel 23 which is coaxially connected to a first conductive shaft 7 located outside an insulating cylinder 1, a rubber synchronous belt 24 is connected to the first belt wheel 23, a second belt wheel 25 is connected to the rubber synchronous belt 24, the second belt wheel 25 is coaxially connected to a rotating shaft 26, a support 27 is fixed to the outer side of the insulating cylinder 1, the rotating shaft 26 rotates in the support 27, the top end of the rotating shaft 26 is rotatably connected with two limiting frames 33, a fan blade 34 is welded and fixed between the two limiting frames 33 on the rotating shaft 26, a fan shell 35 is welded and fixed to the two limiting frames 33 jointly, a fan support 36 is welded and fixed to the outer portion of the fan shell 35, a cooling water pipe 20 is arranged in the organic glass base 2, the cooling water pipe 20 is of a spiral structure, one end of the cooling water pipe 20 is connected with a water outlet pipe 21, the other end of the cooling water pipe 20 is connected with a water inlet pipe 22, and the water outlet pipe 21 and the water inlet pipe 22 both penetrate through the organic glass base 2.
The interior of the insulating cylinder 1 is divided into three parts by the upper baffle 3 and the lower baffle 4, a cavity 18 is formed between the upper baffle 3 and the lower baffle 4, insulating liquid is arranged in the cavity 28, the top ends of the long conducting rod 15 and the short conducting rod 11 are respectively provided with a conducting ball 12, the insulating cylinder 1 and the organic glass base 2 are respectively provided with a plurality of static contact balls 16, the conducting balls 12 are abutted against the static contact balls 16, the first belt wheel 23 and the second belt wheel 25 are in interference fit with the rubber synchronous belt 24, the fan bracket 36 is fixed on the insulating cylinder 1, the water outlet pipe 21 and the water inlet pipe 22 are jointly connected with a cooling pump 28, the cooling pump 28 is fixed on the organic glass base 2, the fan shell 35 corresponds to the cooling pump 28, the device is subjected to heat dissipation treatment through the cooling water pipe 20, the heat dissipation effect of the device is ensured, the device is kept in a low-temperature environment all the time, the efficiency of the device is greatly improved, and can not exert an influence to the rotation of long conducting rod 15, drive first band pulley 23 through the rotation of first conducting shaft 7 and rotate to make rubber hold-in range 24 rotatory, drive second band pulley 25 rotatory, make pivot 26 rotatory, thereby make the fan rotate, thereby cool down the cooling pump, utilized the rotation of switch sprocket 8, need not external motor, great saving the energy.
The switch chain wheel 8 drives the short conducting rod 11 and the long conducting rod 15 to run simultaneously when rotating, fully contacts with the upper static contact ball 16 and the lower static contact ball 16, and can obtain multi-stage test high voltage at the high-voltage output end 17 after passing through the resonant reactor.
In the invention, an external motor is used for dragging a switch chain wheel 8 to enable the switch chain wheel to operate constantly and unidirectionally, then a short conducting rod 11 and a long conducting rod 15 which are connected to a first conducting shaft 7 and a second conducting shaft 13 are driven to rotate unidirectionally, at the moment, a lower excitation voltage is amplified by a resonance reactor through an upper short conducting rod 11 and then is obtained by a lower long conducting rod 15 at a high-voltage output end 17, and meanwhile, a limiting rod 9 also rotates circumferentially when the switch chain wheel 8 rotates and is respectively in contact with a limiting travel switch at the top to transmit switch action in-place signals, so that remote monitoring can be realized.
Meanwhile, the first conductive shaft 7 rotates, the first conductive shaft 7 drives the first belt wheel 23 to rotate, the first belt wheel 23 drives the rubber synchronous belt 24 to move, the rubber synchronous belt 24 drives the second belt wheel 25 to rotate, then, the second belt wheel 25 drives the rotating shaft 26 to rotate, so that the fan blades 34 rotate, at the moment, the cooling pump 28 operates to drive cooling liquid to flow in the cooling water pipe 20, the cooling liquid enters the cooling water pipe 20 through the water outlet pipe 21, heat emitted by the device is taken away, then the cooling liquid enters the water inlet pipe 22 and flows into the cooling pump 28 again, the cooling liquid in the cooling pump 28 is cooled through the rotation of the fan blades 34 and then circulates again, the cooling water pipe 20 is used for carrying out heat dissipation treatment on the device, the heat dissipation effect of the device is ensured, the device is kept in a low-temperature environment all the time, and the efficiency of the device is greatly improved, the rotation of the long conductive rod 15 is not influenced, the first belt wheel 23 is driven to rotate through the rotation of the first conductive shaft 7, so that the rubber synchronous belt 24 rotates to drive the second belt wheel 25 to rotate, the rotating shaft 26 rotates, the fan rotates, the cooling pump is cooled, the rotation of the switch chain wheel 8 is utilized, an external motor is not needed, energy is greatly saved, the high-voltage interstage voltage changed through the resonance reactor and converted by the invention has no specific linear relation, the wide range is large, the voltage adjusting range is large, the multistage high voltage required by the test can be sequentially output, and additional cost is not needed.
Although terms such as the insulating cylinder 1, the plexiglas base 2, the upper baffle 3, the lower baffle 4, the insulating rod 5, the rubber sleeve 6, the first conductive shaft 7, the switch sprocket 8, the limiting rod 9, the limiting ring 10, the short conductive rod 11, the conductive ball 12, the second conductive shaft 13, the straight rod 14, the long conductive rod 15, the static contact ball 16, the high-voltage output end 17, the cavity 18, the fixing ring 19, the cooling water pipe 20, the water outlet pipe 21, the water inlet pipe 22, the first pulley 23, the rubber synchronous belt 24, the second pulley 25, the rotating shaft 26, the bracket 27, the cooling pump 28, the chute 29, the spring 30, the slider 31, the sliding rod 32, the limiting frame 33, the fan blades 34, the fan housing 35, and the fan bracket 36 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (4)
1. The utility model provides a multistage voltage change over switch device, includes insulating cylinder (1), its characterized in that, insulating cylinder (1) bottom is fixed with organic glass base (2), insulating cylinder (1) inside is provided with overhead gage (3), inside baffle (4) down of being provided with of insulating cylinder (1), overhead gage (3) rotate jointly with lower baffle (4) and are connected with insulator spindle (5), overhead gage (3) and lower baffle (4) are provided with rubber sleeve (6) with insulator spindle (5) junction, insulator spindle (5) top is connected with first conductive shaft (7), first conductive shaft (7) run through insulating cylinder (1), the one end welded fastening that first conductive shaft (7) are located insulating cylinder (1) inside has short conductive pole (11), insulator spindle (5) bottom is connected with second conductive shaft (13), the one end welded fastening that second conductive shaft (13) are located organic glass base (2) has straight-bar (straight-bar), (11) 14) The straight rod (14) is connected with a long conducting rod (15);
the switch chain wheel (8) is fixedly welded at the top of one end, located outside the insulating cylinder (1), of the first conducting shaft (7), the limiting rod (9) is fixedly welded at one side, located outside the insulating cylinder (1), of the first conducting shaft (7), the limiting ring (10) is fixedly welded on the first conducting shaft (7), the limiting ring (10) abuts against the outer side of the insulating cylinder (1), the second conducting shaft (13) penetrates through the insulating cylinder (1) and the organic glass base (2), the second conducting shaft (13) is rotatably connected in the organic glass base (2), the lower baffle (4) is connected with a high-voltage output end (17), and the first conducting shaft (7) and the organic glass base (2) are jointly connected with a heat dissipation device;
a sliding rod (32) is fixedly welded at the top end of the straight rod (14), a sliding block (31) is fixedly welded at the top end of the sliding rod (32), a sliding groove (29) is formed in the long conducting rod (15), the sliding block (31) slides in the sliding groove (29), a spring (30) is fixedly welded at the bottom of the sliding groove (29), and the other end of the spring (30) is fixedly welded on the sliding block (31);
the heat dissipation device comprises a first belt wheel (23) which is coaxially connected to a first conductive shaft (7) located outside an insulating cylinder (1), a rubber synchronous belt (24) is connected to the first belt wheel (23), a second belt wheel (25) is connected to the rubber synchronous belt (24), a rotating shaft (26) is coaxially connected to the second belt wheel (25), a support (27) is fixed to the outer side of the insulating cylinder (1), the rotating shaft (26) rotates in the support (27), two limiting frames (33) are rotatably connected to the top end of the rotating shaft (26), fan blades (34) are fixedly welded between the two limiting frames (33) on the rotating shaft (26), the two limiting frames (33) are fixedly welded with a fan shell (35) together, a fan support (36) is fixedly welded to the outer portion of the fan shell (35), and a cooling water pipe (20) is arranged in the organic glass base (2), the cooling water pipe (20) is of a spiral structure, one end of the cooling water pipe (20) is connected with a water outlet pipe (21), the other end of the cooling water pipe (20) is connected with a water inlet pipe (22), and the water outlet pipe (21) and the water inlet pipe (22) penetrate through the organic glass base (2);
the insulation cylinder is characterized in that the interior of the insulation cylinder (1) is divided into three parts by the upper baffle (3) and the lower baffle (4), a cavity (18) is formed between the upper baffle (3) and the lower baffle (4), and insulation liquid is arranged in the cavity (18).
2. The multistage voltage conversion switch device according to claim 1, wherein the top ends of the long conducting rod (15) and the short conducting rod (11) are provided with conducting balls (12), the insulating cylinder (1) and the organic glass base (2) are provided with a plurality of static contact balls (16), and the conducting balls (12) are abutted against the static contact balls (16).
3. The multistage voltage conversion switching device according to claim 1, wherein the first pulley (23) and the second pulley (25) are in interference fit with the rubber synchronous belt (24), and the fan bracket (36) is fixed on the insulating cylinder (1).
4. The multi-stage voltage conversion switch device according to claim 1, wherein the water outlet pipe (21) and the water inlet pipe (22) are connected with a cooling pump (28), the cooling pump (28) is fixed on the plexiglass base (2), and the fan housing (35) corresponds to the cooling pump (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961222.5A CN112071674B (en) | 2020-09-14 | 2020-09-14 | Multi-stage voltage conversion switch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961222.5A CN112071674B (en) | 2020-09-14 | 2020-09-14 | Multi-stage voltage conversion switch device |
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| CN112071674A CN112071674A (en) | 2020-12-11 |
| CN112071674B true CN112071674B (en) | 2022-07-26 |
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| CN202010961222.5A Active CN112071674B (en) | 2020-09-14 | 2020-09-14 | Multi-stage voltage conversion switch device |
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| CN112071674A (en) | 2020-12-11 |
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