CN113990687A - Surge backup protection device and limiting device for surge protection device - Google Patents
Surge backup protection device and limiting device for surge protection device Download PDFInfo
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- CN113990687A CN113990687A CN202111256893.2A CN202111256893A CN113990687A CN 113990687 A CN113990687 A CN 113990687A CN 202111256893 A CN202111256893 A CN 202111256893A CN 113990687 A CN113990687 A CN 113990687A
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- 230000001012 protector Effects 0.000 claims description 41
- 230000001681 protective effect Effects 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Classifications
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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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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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
- H01H9/52—Cooling of switch parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/008—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for protective arrangements according to this subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a surge backup protection device and a limiting device for the surge protection device, wherein the limiting device for the surge protection device comprises a sliding bin; a slide bar; a piston plate; a baffle plate; a connecting rod; the sliding bin is hollow setting, the horizontal slip of piston plate set up in the inside in sliding bin, the piston plate can be in vertical direction slide in the sliding bin, the vertical fixed set up of slide bar in the up end of piston plate, the slide bar runs through and sliding connection the upside inner wall in sliding bin, the tip fixedly connected with of slide bar the connecting rod, the tip fixedly connected with of connecting rod the baffle protects surge protection device.
Description
Technical Field
The utility model relates to the technical field of lightning protection equipment, in particular to a surge backup protection device and a limiting device for the surge protection device.
Background
At present, in order to prevent the invasion of lightning current, a surge protector is generally installed between a power transmission line and electric equipment in a power distribution system. When the surge protector is used in signal equipment, the maximum discharge current is limited, and if the surge protector cannot be thermally tripped at the maximum discharge current, the surge protector cannot bear lightning current to cause power supply short circuit, so that power supply accidents are caused; the conventional solution is to serially connect a voltage dependent resistor with a fuse, but when the serially connected fuse has a small capacity, the fuse cannot bear excessive voltage impact; when the series fuse has large capacity, the fuse can be fused or disconnected only by large current, and power supply short circuit is easily caused to form power supply accidents.
The Chinese patent CN209029919U discloses a backup protection device for a surge protector, which comprises a mounting plate, wherein a fixed block is horizontally and fixedly connected to the left position in the middle of the upper part of the front side of the mounting plate, a mounting box is fixedly connected to the lower part of the front side of the mounting plate, a groove is formed in the middle of the bottom of the mounting box, and power supply contact copper ends are fixedly mounted on the left side and the right side of the bottom of an inner cavity of the mounting box. According to the utility model, the positive and negative motors, the first threaded rod, the second threaded rod, the two groups of threaded moving blocks, the two push rods and the jacking support plate are arranged, when the surge protector overflows, the jacking support plate can be used for driving the surge protector to ascend, so that the surge protector is separated from a power supply contact copper end, the power supply is stopped, the surge protector is protected, and the surge protector is practical and suitable for wide popularization and use.
But this equipment carries out the protection device that separates to surge protector when the in-service use, drives the separation of surge protector through one set of climbing mechanism of motor drive, has increased extra connecting circuit, and the structure is complicated, and response speed is slow in the in-service use to difficult operation.
Therefore, it is necessary to provide a surge backup protection device and a limiting device for the surge protection device to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a surge backup protection device and a limiting device for the surge protection device, and aims to solve the existing problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a limiting device for a surge protection device comprises a sliding bin; a slide bar; a piston plate; a baffle plate; a connecting rod; the sliding bin is hollow, the piston plate horizontally slides and is arranged in the sliding bin, the piston plate can slide in the sliding bin in the vertical direction, the slide bar is vertically and fixedly arranged on the upper end face of the piston plate, the slide bar penetrates through the upper side inner wall of the sliding bin and is in sliding connection with the upper end face of the piston plate, the end portion of the slide bar is fixedly connected with the connecting rod, and the end portion of the connecting rod is fixedly connected with the baffle.
Preferably, the device also comprises a sealed cabin; a spring telescopic rod; the sealed cabin set up in the sliding bin, the sealed cabin by the piston board with the sliding bin is sealed forms, the inside in sealed cabin is equipped with the spring telescopic link.
Preferably, the top fixed connection of spring telescopic link in the bottom of piston plate, the bottom fixed connection of spring telescopic link in the upside of sliding bin bottom inner wall, when the sealed bin was heated, gas wherein was heated, leads to atmospheric pressure to increase, shifts up piston plate jack-up upwards, drives the slide bar and upwards slides, and the spring telescopic link is pulled up, and the baffle passes through the connecting rod and shifts up thereupon.
The utility model provides a surge backup protection device, includes the base, base internally mounted has surge protector, the surge protector outside is provided with the protective housing, still includes surge protection device limit device for the device of claim 1, the bottom of protective housing is provided with first sleeve pipe, be provided with the second sleeve pipe that cooperatees with first sleeve pipe and switch on the internal surface of base bottom, be provided with locking mechanism between first sleeve pipe and the second sleeve pipe, locking mechanism's the outside is provided with actuating mechanism, the last installation of actuating mechanism limit device for the surge protection device, when the surge protector temperature reaches the threshold value the baffle shifts up, actuating mechanism drive first sleeve pipe rotate and with form insulating state between the second sleeve pipe and be used for separating surge protector from the circuit.
Preferably, the bottom of the protective shell is provided with a first conductive joint, the inner surface of the bottom of the base is provided with a second conductive joint matched with the first conductive joint, the first conductive joint is arranged in the first sleeve and is in contact with the first sleeve, and the second conductive joint is arranged in the second sleeve and is in contact with the second sleeve.
Preferably, a lantern ring is arranged at the top end of the outer side of the first sleeve, the lantern ring is rotatably connected with the first sleeve and fixedly connected to the bottom of the base, a gear is fixedly connected to the outer side of the first sleeve, a rack is arranged on the outer side of the gear and meshed with the gear, a supporting plate is fixedly connected to the bottom of the base, and two ends of the rack penetrate through the supporting plate and are slidably connected with the supporting plate.
Preferably, actuating mechanism still includes the guide rail of fixed connection in the protective housing bottom, the inside sliding connection of guide rail has the slider, the slider bottom is provided with drive sprocket, the protective housing bottom is provided with the montant, the montant run through drive sprocket and with drive sprocket fixed connection, montant top and slider fixed connection, the montant runs through the base and extends to the outside of base, the chain sets up in the drive sprocket and the driven sprocket outside.
Preferably, one side of the sliding block is fixedly connected with a first sliding rod, a side surface of the guide rail is provided with a through hole for the first sliding rod to penetrate out, the diameter of the through hole is larger than the outer diameter of the first sliding rod, a side surface of the first sliding rod is fixedly connected with a sliding bin of the limiting device for the surge protection device, one side of the guide rail is provided with a heat conducting plate, the heat conducting plate is fixedly connected with the guide rail through welding, the sliding bin is in contact with the heat conducting plate, the baffle plate supports against the end part of the first sliding rod when in the lowest state, the limiting device for the surge protection device is organically linked with the surge protection device, the heat conducting plate is heated, when the sealed bin is heated, gas in the sealed bin is heated, so that the gas pressure is increased, the piston plate is jacked up and moves upwards, the sliding rod is driven to slide upwards, the telescopic rod of the spring is pulled upwards, the baffle plate moves upwards along with the connecting rod, and the baffle plate cancels the blocking force for the first sliding rod, the first sliding rod slides into the through hole to further perform surge protection.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the locking mechanism of the present invention;
FIG. 3 is a plan view of the locking mechanism of the present invention;
FIG. 4 is a schematic view of the drive mechanism of the present invention;
FIG. 5 is a schematic view of the construction of the curved baffle of the present invention;
FIG. 6 is a schematic view of the structure of the sliding groove and the limiting groove of the present invention;
FIG. 7 is a schematic view of the connection of the flapper and the second sleeve of the present invention;
FIG. 8 is a schematic view of the chain structure of the present invention;
FIG. 9 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 10 is an enlarged view of the portion B of FIG. 7 in accordance with the present invention;
fig. 11 is a schematic view of the main structure of a limiting device for a surge protection device according to the present invention;
fig. 12 is a side view of a limiting device for a surge protection device of the present invention;
fig. 13 is a front view of a limiting device for a surge protection device of the present invention;
fig. 14 is a schematic view of a limiting device for a surge protection device according to the present invention when heated.
In the figure: 1. a base; 2. a protective shell; 3. positioning a groove; 4. positioning blocks; 5. a first sleeve; 6. a second sleeve; 7. a pillar; 8. a support ball; 9. an arc-shaped baffle plate; 10. a groove; 11. a convex strip; 12. a limiting groove; 13. a circular hole; 14. a chute; 15. an insulating pad; 16. a chain; 17. a collar; 18. a gear; 19. a rack; 20. a support plate; 21. a guide rail; 22. a slider; 23. a drive sprocket; 24. a vertical rod; 25. a nut; 26. a first slide bar; 27. a limiting plate; 28. a heat conducting plate; 29. a second slide bar; 30. a spring; 31. pulling a rope; 32. a steering wheel; 33. the surge protection device is provided with a limiting device; 331. a sliding bin; 332. a slide bar; 333. a piston plate; 334. a spring telescopic rod; 335. sealing the bin; 336. a baffle plate; 337. a connecting rod.
Detailed Description
Example 1
As shown in fig. 1 and 3, a surge backup protection device, including base 1, 1 internally mounted of base has surge protector, and the surge protector outside is provided with protective housing 2, and both sides all are provided with constant head tank 3 around the protective housing 2, and the fixed locating piece 4 that cooperatees and use with constant head tank 3 that is provided with on the 1 inner wall of base for surge protector installs locating piece 4 and constant head tank 3 when inside and cooperatees and to fix a position protective housing 2 in the inside position of base 1.
As shown in fig. 1-3, a first conductive joint is disposed at the bottom of the protective casing 2, a second conductive joint matched with the first conductive joint is disposed on the inner surface of the bottom of the base 1, a first sleeve 5 is disposed on the outer side of the first conductive joint, a second sleeve 6 is disposed on the outer side of the second conductive joint, the first conductive joint contacts with the first sleeve 5, the second conductive joint contacts with the second sleeve 6, the circuit is conducted by the contact between the first conductive joint and the second conductive joint, a locking mechanism is disposed between the first sleeve 5 and the second sleeve 6, and a driving mechanism is disposed on the outer side of the locking mechanism for driving the locking mechanism to lock the first sleeve 5 and the second sleeve 6.
As shown in fig. 2-8 and 10, the locking mechanism comprises a pillar 7 disposed on the bottom surface of the first casing 5 and fixedly connected to the first casing 5, a support ball 8 disposed at the bottom end of the pillar 7, the support ball 8 contacting with the top surface of the second casing 6, the support ball 8 rotatably connected to the pillar 7, an arc baffle 9 disposed on the top surface of the second casing 6 and fixedly connected to the second casing 6, a groove 10 disposed on the inner wall of the arc baffle 9, a protruding strip 11 fixed to the groove 10 disposed on the outer side surface of the pillar 7, the protruding strip 11 made of stainless steel, a limit groove 12 disposed on the top surface of the second casing 6, the inner diameter of the limit groove 12 being larger than the outer diameter of the pillar 7, a circular hole 13 disposed on the inner bottom surface of the limit groove 12, the circular hole 13 used in cooperation with the support ball 8, a sliding groove 14 disposed between the arc baffle 9 and the limit groove 12, the sliding groove 14 being communicated with the limit groove 12, an insulating pad 15 is arranged at the round hole 13.
The outer side of the support 7 is provided with a driven sprocket, the outer side of the driven sprocket is meshed with a chain 16, the driven sprocket is driven by the chain 16 to rotate, the support 7 is driven by the driven sprocket to rotate, the raised line 11 on the outer side of the support 7 can rotate along with the support 7 in the rotating process, the support 7 can be connected with the arc-shaped baffle 9 through the matching of the raised line 11 and the groove 10, in practical operation, the surge protector and the protective shell 2 on the outer side of the surge protector are placed inside the base 1 together, the positioning block 4 is matched with the positioning groove 3, the supporting ball 8 at the bottom of the support 7 is contacted with the top surface on the second sleeve 6, the support 7 is attached with the arc-shaped baffle 9, the driven sprocket is driven by the chain 16 to rotate reversely, the raised line 11 on the outer side of the support 7 is rotated to the inner side of the arc-shaped baffle 9 to be contacted with the inner side surface of the arc-shaped baffle 9, the raised line 11 is extruded to generate deformation and can be placed between the support 7 and the arc-shaped baffle 9, at this moment, driving driven sprocket corotation through chain 16, can driving the sand grip 11 corotation in pillar 7 and its outside through driven sprocket, can with the recess 10 phase-match on the 9 medial surfaces of cowl during sand grip 11 corotation to block sand grip 11 inside recess 10, make pillar 7 and cowl 9 looks block, and then with first sleeve 5 and 6 fastening connection of second sleeve, can conveniently connect the installation to surge protector fast through this structure, the simple operation.
The top end of the outer side of the first sleeve 5 is provided with a sleeve ring 17, the sleeve ring 17 is rotatably connected with the first sleeve 5 and fixedly connected to the bottom of the base 1, the gear 18 is fixedly connected to the outer side of the first sleeve 5, the outer side of the gear 18 is provided with a rack 19, the rack 19 is meshed with the gear 18, the bottom of the base 1 is fixedly connected with a support plate 20, and two ends of the rack 19 penetrate through the support plate 20 and are slidably connected with the support plate 20.
When the surge protector is used, when the current in a circuit is large, the surge protector needs to be separated due to high heat, the gear 18 is driven to rotate inwards through the rack 19, the gear 18 can drive the first sleeve 5 to rotate inwards, and the chain 16 can be loosened when the rack 19 moves, so that the pillar 7 at the bottom of the first sleeve 5 can be driven to rotate through the rotation of the first sleeve 5, the pillar 7 slides to the inside of the limiting groove 12 along the sliding groove 14 on the top surface of the second sleeve 6, the supporting ball 8 at the bottom of the pillar 7 is further driven to be matched with the round hole 13 on the bottom surface of the limiting groove 12, the round hole 13 is provided with the insulating pad 15, when the supporting ball 8 falls to the round hole 13, the supporting ball 8 and the second sleeve 6 are in an insulating state and are not conducted, and because the inner diameter of the limiting groove 12 is larger than the outer diameter of the pillar 7, when the pillar 7 falls to the inside of the limiting groove 12, the pillar 7 and the second sleeve 6 are not in a non-conducting state, during initial state, 6 tops of second sleeve pipe are arranged in to support ball 8 and make first sleeve pipe 5 and second sleeve pipe 6 be the on-state, when first sleeve pipe 5 rotates support ball 8 that drives pillar 7 and its bottom and falls to spacing groove 12 inside, first sleeve pipe 5 and second sleeve pipe 6 are in insulating pillar 7, make surge protector be in the off-state, thereby protect surge protector, calorific capacity through surge protector self through this device drives power, simple structure during actual operation, need not connect extra circuit, the simple operation, high sensitivity.
As shown in fig. 2 to 9, the driving mechanism includes a guide rail 21 fixedly connected to the bottom of the protective shell 2, a slider 22 is slidably connected to the inside of the guide rail 21, a driving sprocket 23 is disposed at the bottom of the slider 22, a vertical rod 24 is disposed at the bottom of the protective shell 2, the vertical rod 24 penetrates through the driving sprocket 23 and is fixedly connected to the driving sprocket 23, the top end of the vertical rod 24 is fixedly connected to the slider 22, the vertical rod 24 penetrates through the base 1 and extends to the outside of the base 1, a counter bore is disposed at the bottom of the base 1 at the position of the vertical rod 24, a nut 25 is disposed inside the counter bore, the vertical rod 24 is fixedly connected to the base 1 through the nut 25, a first slide rod 26 is fixedly connected to one side of the slider 22, a through hole for the first slide rod 26 to penetrate through is disposed on one side of the guide rail 21, the diameter of the through hole is larger than the outer diameter of the first slide rod 26, a limit plate 27 easy to melt is fixedly connected to the outer side of the first slide rod 26, a heat conducting plate 28 is disposed on one side of the guide rail 21, heat-conducting plate 28 is through welding and guide rail 21 fixed connection, limiting plate 27 contacts with heat-conducting plate 28, slider 22 opposite side fixedly connected with second slide bar 29, second slide bar 29 pass guide rail 21 and with guide rail 21 sliding connection, the outside of second slide bar 29 is provided with spring 30, spring 30 sets up between slider 22 and guide rail 21, fixedly connected with stay cord 31 between second slide bar 29 and rack 19, protective housing 2 bottom is located stay cord 31 corner and is provided with directive wheel 32, stay cord 31 sets up in the directive wheel 32 outside, directive wheel 32 bottom is provided with the dead lever, the dead lever is close to the one end of directive wheel 32 and writes the wheel and rotates and be connected, the dead lever is kept away from the one end and the protective housing 2 fixed connection of directive wheel 32.
During the use, electric current when surge protector is great, surge protector's calorific capacity is great, thereby can heat-conducting plate 28, make its temperature rise, can heat limiting plate 27 through heat-conducting plate 28, thereby melt limiting plate 27, can promote slider 22 left under spring 30's elasticity effect this moment, can loosen chain 16 when slider 22 moves left, and can stimulate stay cord 31 when slider 22 drives second slide bar 29 and moves left, stay cord 31 can stimulate rack 19 through directive wheel 32, thereby drive rack 19 and move to the right side, can drive gear 18 through the meshing of rack 19 and gear 18 and rotate, and then drive first sleeve 5 and rotate, make pillar 7 rotate to limiting groove 12 inside.
Example 2
A limit device for a surge protection device comprises a sliding bin 331; a slide bar 332; a piston plate 333;
a baffle plate 336; a connecting rod 337; the sliding bin 331 is hollow, the piston plate 333 is horizontally arranged in the sliding bin 331 in a sliding manner, the piston plate 333 can slide in the sliding bin 331 in the vertical direction, the sliding rod 332 is vertically and fixedly arranged on the upper end face of the piston plate 333, the sliding rod 332 penetrates through and is in sliding connection with the upper inner wall of the sliding bin 331, the end part of the sliding rod 332 is fixedly connected with the connecting rod 337, and the end part of the connecting rod 337 is fixedly connected with the baffle 336.
Specifically, a sealed bin 335 is also included; a spring extension rod 334; the sealed cabin 335 is arranged in the sliding cabin 331, the sealed cabin 335 is formed by sealing the piston plate 333 and the sliding cabin 331, and the spring telescopic rod 334 is arranged in the sealed cabin 335.
Specifically, the top of spring telescopic link 334 fixed connection in the bottom of piston plate 333, the bottom of spring telescopic link 334 fixed connection in the upside of sliding bin 331 bottom inner wall, when the sealed bin was heated, gas wherein was heated, leads to atmospheric pressure to increase, with piston plate jack-up upwards, drives the slide bar and upwards slides, and the spring telescopic link is pulled and is risen, and the baffle passes through the connecting rod and thereupon shifts up.
The utility model provides a surge backup protection device, includes the base, base internally mounted has surge protector, the surge protector outside is provided with the protective housing, still includes surge protection device 33 for the device of claim 1, the bottom of protective housing is provided with first sleeve pipe, be provided with the second sleeve pipe that cooperatees with first sleeve pipe and switch on the internal surface of base bottom, be provided with locking mechanism between first sleeve pipe and the second sleeve pipe, locking mechanism's the outside is provided with actuating mechanism, the last installation of actuating mechanism surge protection device is with stop device 33, when the surge protector temperature reaches the threshold value baffle 336 shifts up, actuating mechanism drive first sleeve pipe rotate and with form between the second sleeve pipe that insulating state is used for separating surge protector from the circuit.
Specifically, the bottom of protective housing is provided with first conductive joint, be provided with the second conductive joint with first conductive joint matched with on the base bottom internal surface, first conductive joint sets up in first sleeve intraduct and contacts with first sleeve, the second conductive joint sets up in the second sleeve intraduct and contacts with the second sleeve.
Specifically, the top end of the outer side of the first sleeve is provided with a sleeve ring, the sleeve ring is rotatably connected with the first sleeve and fixedly connected to the bottom of the base, a gear is fixedly connected to the outer side of the first sleeve, a rack is arranged on the outer side of the gear and meshed with the gear, a supporting plate is fixedly connected to the bottom of the base, and two ends of the rack are both penetrated through the supporting plate and are slidably connected with the supporting plate.
Specifically, actuating mechanism still includes the guide rail of fixed connection in the protective housing bottom, the inside sliding connection of guide rail has the slider, the slider bottom is provided with drive sprocket, the protective housing bottom is provided with the montant, the montant run through drive sprocket and with drive sprocket fixed connection, montant top and slider fixed connection, the montant runs through the base and extends to the outside of base, the chain sets up in the drive sprocket and the driven sprocket outside.
Specifically, a first slide bar is fixedly connected to one side of the slide block, a through hole through which the first slide bar penetrates is formed in one side face of the guide rail, the diameter of the through hole is larger than the outer diameter of the first slide bar, a slide bin 331 of a limiting device 33 for a surge protection device is fixedly connected to the outer side face of the first slide bar, a heat conduction plate is arranged on one side of the guide rail and is fixedly connected with the guide rail through welding, the slide bin 331 is in contact with the heat conduction plate, the baffle 336 abuts against the end portion of the first slide bar 21 in the lowest state, the limiting device for the surge protection device is organically linked with the surge protection device, the heat conduction plate is heated, when the sealed bin is heated, gas in the sealed bin is heated, so that the gas pressure is increased, the piston plate is jacked up and moves upwards to drive the slide bar to slide upwards, the telescopic rod of the spring is pulled upwards, the baffle moves upwards along with the connecting rod, and the baffle cancels the resistance to the first slide bar, first slide bar slips into the through-hole, further carry out the protection to the surge, compare in embodiment 1's limiting plate, limiting device for the surge protection device can recycle, it leads to the surge protection device difficult clearance to avoid the limiting plate to melt, and disposable material can cause the wasting of resources, the cost is wasted, cost can be practiced thrift in surge protection device's recycle, limiting device for the surge protection device can provide more stable resistance compared in the limiting plate, because the limiting plate is heated easily to melt the material and is damaged after long-time atress, lead to the instability that the surge protection device used, so limiting device for the surge protection device has more safety and stability.
The working principle is as follows: when the current of the surge protector is larger, the heat productivity of the surge protector is larger, so that the heat conducting plate 28 can be heated, the temperature of the heat conducting plate is increased, the limiting plate 27 can be heated through the heat conducting plate 28, the limiting plate 27 is melted, at the moment, the sliding block 22 can be pushed leftwards under the action of the elastic force of the spring 30, the chain 16 can be loosened when the sliding block 22 moves leftwards, the sliding block 22 drives the second sliding rod 29 to move leftwards, the pull rope 31 can be pulled, the pull rope 31 can pull the rack 19 through the steering wheel 32, so that the rack 19 is driven to move rightwards, the gear 18 can be driven to rotate through the meshing of the rack 19 and the gear 18, the gear 18 can drive the first sleeve 5 to rotate inwards, and the chain 16 can be loosened when the rack 19 moves, therefore, the support 7 at the bottom of the first sleeve 5 can be driven to rotate through the rotation of the first sleeve, the support 7 slides to the inside of the limiting groove 12 along the sliding groove 14 on the top surface of the second sleeve 6, further, the supporting ball 8 at the bottom of the supporting column 7 is made to match with the round hole 13 on the bottom surface inside the limiting groove 12, the round hole 13 is provided with the insulating pad 15, when the supporting ball 8 falls to the round hole 13, the supporting ball 8 and the second sleeve 6 are in an insulating state and are not conducted, and because the inner diameter of the limiting groove 12 is larger than the outer diameter of the supporting column 7, when the supporting column 7 falls to the inside of the limiting groove 12, the supporting column 7 is not in contact with the second sleeve 6 and is also in a non-conducting state, in an initial state, the supporting ball 8 is arranged at the top of the second sleeve 6 to enable the first sleeve 5 and the second sleeve 6 to be in a conducting state, when the first sleeve 5 rotates to drive the supporting column 7 and the supporting ball 8 at the bottom of the supporting column 7 to fall to the inside the limiting groove 12, the first sleeve 5 and the second sleeve 6 are in the insulating supporting column 7 to enable the surge protector to be in a separated state, so as to protect the surge protector, the limiting device for the protecting device is organically linked with the surge protecting device, the heat-conducting plate is heated, and when the sealed storehouse was heated, gas wherein was heated, leads to atmospheric pressure increase, with piston plate jack-up upwards shifting, drives the slide bar and upwards slides, and the spring telescopic link draws high, and the baffle passes through the connecting rod and upwards shifts up thereupon, and the baffle cancellation is to the power of keeping out of first slide bar, and first slide bar slips into the through-hole, further carries out surge protection.
Claims (8)
1. The utility model provides a stop device for surge protection device which characterized in that:
comprises a sliding bin;
a slide bar;
a piston plate;
a baffle plate;
a connecting rod;
the sliding bin is hollow, the piston plate horizontally slides and is arranged in the sliding bin, the piston plate can slide in the sliding bin in the vertical direction, the slide bar is vertically and fixedly arranged on the upper end face of the piston plate, the slide bar penetrates through the upper side inner wall of the sliding bin and is in sliding connection with the upper end face of the piston plate, the end portion of the slide bar is fixedly connected with the connecting rod, and the end portion of the connecting rod is fixedly connected with the baffle.
2. The limit device for a surge protection device according to claim 1, wherein:
also comprises a sealed cabin;
a spring telescopic rod;
the sealed cabin set up in the sliding bin, the sealed cabin by the piston board with the sliding bin is sealed forms, the inside in sealed cabin is equipped with the spring telescopic link.
3. The limit device for a surge protection device according to claim 1, wherein:
the top of the spring telescopic rod is fixedly connected to the bottom of the piston plate, and the bottom of the spring telescopic rod is fixedly connected to the upper side of the inner wall of the bottom of the sliding bin.
4. The utility model provides a surge backup protection device, includes the base, base internally mounted has surge protector, the surge protector outside is provided with protective housing, its characterized in that: the surge protection device limiting device as claimed in claim 1, wherein a first sleeve is arranged at the bottom of the protective shell, a second sleeve matched with and conducted with the first sleeve is arranged on the inner surface of the bottom of the base, a locking mechanism is arranged between the first sleeve and the second sleeve, a driving mechanism is arranged on the outer side of the locking mechanism, the surge protection device limiting device is installed on the driving mechanism, when the temperature of the surge protector reaches a threshold value, the baffle moves upwards, and the driving mechanism drives the first sleeve to rotate and forms an insulation state with the second sleeve so as to separate the surge protector from a circuit.
5. A surge backup protection device according to claim 4, characterized in that: the bottom of protective housing is provided with first conductive joint, be provided with the second conductive joint with first conductive joint matched with on the base bottom internal surface, first conductive joint sets up in first sleeve intraduct and contacts with first sleeve, the second conductive joint sets up in the second sleeve intraduct and contacts with the second sleeve.
6. A surge backup protection device according to claim 4, characterized in that: the utility model discloses a support structure for a motor vehicle, including first sleeve pipe, the outside top of first sleeve pipe is provided with the lantern ring, the lantern ring rotates with first sleeve pipe to be connected and fixed connection in base bottom, first sleeve pipe outside fixedly connected with gear, the outside of gear is provided with the rack, the rack meshes with the gear mutually, the bottom fixedly connected with backup pad of base, the both ends of rack all run through the backup pad and with backup pad sliding connection.
7. A surge backup protection device according to claim 6, characterized in that: actuating mechanism still includes fixed connection in the guide rail of protective housing bottom, the inside sliding connection of guide rail has the slider, the slider bottom is provided with drive sprocket, the protective housing bottom is provided with the montant, the montant run through drive sprocket and with drive sprocket fixed connection, montant top and slider fixed connection, the montant runs through the base and extends to the outside of base, the chain sets up in the drive sprocket and the driven sprocket outside.
8. A surge backup protection device according to claim 7, wherein: the utility model discloses a surge protection device, including slider, guide rail, heat-conducting plate, slide block, baffle, first slide bar of slider one side fixedly connected with, be provided with the through-hole that supplies first slide bar to wear out on the guide rail side, the diameter of through-hole is greater than the external diameter of first slide bar, fixedly connected with on the first slide bar lateral surface the slip storehouse of stop device for the surge protection device, guide rail one side is provided with the heat-conducting plate, the heat-conducting plate passes through welding and guide rail fixed connection, the slip storehouse contacts with the heat-conducting plate, the baffle supports when being in minimum state the tip of first slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256893.2A CN113990687A (en) | 2021-10-27 | 2021-10-27 | Surge backup protection device and limiting device for surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256893.2A CN113990687A (en) | 2021-10-27 | 2021-10-27 | Surge backup protection device and limiting device for surge protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113990687A true CN113990687A (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111256893.2A Pending CN113990687A (en) | 2021-10-27 | 2021-10-27 | Surge backup protection device and limiting device for surge protection device |
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| Country | Link |
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| CN (1) | CN113990687A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110170217A1 (en) * | 2010-01-12 | 2011-07-14 | Mao Xiaomao | Thermally protected surge suppression device |
| CN207353798U (en) * | 2017-06-20 | 2018-05-11 | 天津沃尔法电力设备有限公司 | It is a kind of that there is the bus duct for meeting fiery power down function |
| US20180374666A1 (en) * | 2017-06-27 | 2018-12-27 | Shanghai Chenzhu Instrument Co., Ltd. | Surge protector, and release mechanism and base thereof |
| CN209029919U (en) * | 2018-12-13 | 2019-06-25 | 天津科帕尔科技有限公司 | A kind of reserve protection for Surge Protector |
| CN112510662A (en) * | 2020-10-29 | 2021-03-16 | 扬州浪涌电气有限公司 | Switch type surge protector |
| CN113690104A (en) * | 2021-08-26 | 2021-11-23 | 杭州易造科技有限公司 | Surge backup protection device |
-
2021
- 2021-10-27 CN CN202111256893.2A patent/CN113990687A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110170217A1 (en) * | 2010-01-12 | 2011-07-14 | Mao Xiaomao | Thermally protected surge suppression device |
| CN207353798U (en) * | 2017-06-20 | 2018-05-11 | 天津沃尔法电力设备有限公司 | It is a kind of that there is the bus duct for meeting fiery power down function |
| US20180374666A1 (en) * | 2017-06-27 | 2018-12-27 | Shanghai Chenzhu Instrument Co., Ltd. | Surge protector, and release mechanism and base thereof |
| CN209029919U (en) * | 2018-12-13 | 2019-06-25 | 天津科帕尔科技有限公司 | A kind of reserve protection for Surge Protector |
| CN112510662A (en) * | 2020-10-29 | 2021-03-16 | 扬州浪涌电气有限公司 | Switch type surge protector |
| CN113690104A (en) * | 2021-08-26 | 2021-11-23 | 杭州易造科技有限公司 | Surge backup protection device |
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