CN217362076U - Novel high-voltage large-current quick connecting piece - Google Patents

Abstract

The utility model relates to a novel high-voltage heavy-current quick connecting piece, which consists of a plug and a socket which are connected in a plugging way, wherein the plug is used for connecting an energy cable, and the socket is used for connecting a xenon lamp cable; the plug and socket shell is made of polytetrafluoroethylene, and the wall thickness is designed according to the pressure-resistant requirement; the plug and the socket shell adopt mutually nested concentric annular structures, so that creepage insulation is increased while solid breakdown insulation is ensured; the plug and socket electric connection inner core material is brass treated by a surface tinning process; the plug and the socket are electrically connected and plugged, watchband reeds are used at the plugging positions, and the overcurrent capacity requirement is met by increasing the using number of the watchband reeds; the plug and the socket have adjustment allowance in the plugging process, and position compensation is performed in the form of different plugging depths. The beneficial effects are that compact structure, high pressure resistant, quick plug.

Description

Novel high-voltage large-current quick connecting piece

[ technical field ] A method for producing a semiconductor device

The utility model relates to a high power solid laser technical field, concretely relates to novel high-pressure heavy current quick connecting piece.

[ background of the invention ]

In the development process of the high-power solid laser driver for more than 30 years, the laser driver technology is developed rapidly, the single-path output energy is higher and higher, and the working frequency is also greatly improved. The chip laser amplifier is used as a core module in the ultra-high power laser driver and provides 99% of energy of the whole device. The energy comes from a large-energy pulse xenon lamp array: the energy cable applies high voltage to two ends of the xenon lamp to excite the xenon lamp to emit strong light, the strong light is converted into energy storage after being absorbed by the neodymium glass, and the energy storage is extracted after laser seeds pass through the energy storage to amplify the energy storage. Each chip laser amplifier module comprises a plurality of lamp boxes, and the lamp boxes are mainly used for providing pumping energy sources for the chip laser amplifiers. Each lamp box comprises more than ten large-caliber pulse xenon lamps. Every two pulse xenon lamps are connected in series, and the lamp wires at two ends are connected into a pulse forming network through cable connectors. In the whole system, each xenon lamp needs large energy, the xenon lamp needs to be supplied with high voltage, the current density is large, and the plug and socket butt joint with high reliability is particularly important. And all the components of the chip laser amplifier are installed and lifted upwards from the bottom, the technical requirements of the cable connector are as follows:

firstly, high pressure resistance: xenon lamps operate at high voltages and high currents. The normal operating parameters of which require tens of kilovolts. The voltage resistance of the cable connector cannot be lower than this value; and the current carrying capacity of the joint should be tens of kiloamperes

Secondly, the quick plug improves cable junction's efficiency, reduces unnecessary operating time. One end of the connecting xenon lamp and the connecting cable is welded on the corresponding jack and the corresponding contact pin. When the socket is mounted or dismounted, the socket only needs to be plugged in or pulled out.

The third position compensation can prevent the xenon lamp from deviating to cause improper connection. The xenon lamp array of lamp house is at the in-process that rises, if the deviation appears in the mounting dimension that xenon lamp or connect, can damage the joint at the plug in-process, because the lamp house requires highly to the cleanliness, can not manual intervention plug process, so need connect by oneself according to the position deviation adjustment.

Therefore, a fast connecting piece capable of meeting the requirement of faster plugging and unplugging under high pressure is urgently needed at present.

The utility model discloses technical requirement to slice laser amplifier module cable junction spare has carried out the technological improvement.

[ Utility model ] content

The utility model aims at providing a novel cable junction spare of compact structure, high pressure resistant, quick plug.

In order to achieve the purpose, the technical scheme adopted by the utility model is a novel high-voltage large-current quick connecting piece, which consists of a plug and a socket which are connected in a plugging manner, wherein the plug is used for connecting an energy cable, and the socket is used for connecting a xenon lamp cable; the plug and socket shell is made of polytetrafluoroethylene, and the wall thickness is designed according to the pressure-resistant requirement; the plug and the socket shell adopt mutually nested concentric annular structures, so that creepage insulation is increased while solid breakdown insulation is ensured; the plug and socket electric connection inner core is made of brass treated by a surface tinning process; the plug and the socket are electrically connected and plugged, watchband reeds are used at the plugging positions, and the overcurrent capacity requirement is met by increasing the using number of the watchband reeds; the plug and the socket have adjustment allowance in the plugging process, and position compensation is performed in the form of different plugging depths.

Preferably, the outer walls of the outer insulating main bodies of the plug and the socket are wrapped by double-conductive copper foil adhesive tapes, so that the transmission of electromagnetic interference is effectively blocked.

Preferably, the mutually nested concentric ring structures adjust the insulating tooth length and the tooth width according to the voltage magnitude.

Further, the internal structures of the plug and the socket are similar and the construction principle is the same.

Preferably, the plug comprises a plug outer insulating body, a plug inner core and an energy cable bolt fastener; the plug external insulation main body and the plug internal insulation main body are nested and assembled and are fixed through four threaded holes on the outer side; the plug inner core is sleeved in the plug internal insulation main body and props against the plug inner core through the plug external insulation main body to limit and clamp; the socket comprises a socket external insulation main body, a socket internal insulation main body, a socket inner core and a xenon lamp cable bolt fastener; the socket external insulation main body and the socket internal insulation main body are nested and assembled and are fixed through four threaded holes on the outer side; the socket inner core is sleeved in the socket internal insulation main body and props against the socket inner core through the socket external insulation main body to limit and clamp.

Preferably, the energy cable bolt fastener is used for fixing a square wire nose crimped at the end part of the energy cable, and the energy cable penetrates through the insulating main body inside the plug, keeps coaxial and then penetrates out of the insulating main body outside the plug; the xenon lamp cable bolt fastener is used for fixing a square wire nose crimped at the end part of a xenon lamp cable, and the xenon lamp cable penetrates into the insulating main body inside the socket, keeps coaxial and then penetrates out of the insulating main body outside the socket.

Preferably, the plug inner core is made of brass and is subjected to surface tin plating treatment, one end of the plug inner core is fastened with the end part of the energy cable in a threaded manner, the other end of the plug inner core is of a plate type structure, and the end part of the plate type structure is provided with an outer chamfer angle structure for being inserted into the socket inner core; the socket inner core is made of brass and is subjected to surface tin plating treatment, one end of the socket inner core is fastened with the end part of a xenon lamp cable in a threaded manner, the other end of the socket inner core is of a block type structure with a dovetail groove, and the end part of the block type structure is provided with an inner chamfer structure used for being connected with the plug inner core in an inserting manner.

Preferably, watchband contact fingers are arranged in the dovetail groove of the socket inner core, the opposite side of the plug inner core is 0.5mm smaller than an inner hole of the socket inner core, and the length of the inner core and the number of the watchband contact fingers are adjusted according to the current.

Preferably, in the plugging and unplugging use process of the plug and the socket, the allowance of the width among the external sliding table, the plug inner core and the socket inner core is used for compensating in the plane freedom degree, and the clearance left after the plug and the socket are inserted is used for compensating in the plugging and unplugging direction freedom degree.

Furthermore, the novel high-voltage large-current quick connecting piece is used for electrically connecting a large-caliber pulse xenon lamp in a lamp box of the chip laser amplifier module; the end part of the external insulation main body of the plug is provided with four mounting holes for mounting and fixing with an external flange of the fixed bracket; the end part of the external insulation main body of the socket is provided with four mounting holes for mounting and fixing with an external flange of the lamp box bracket; the vertical up-and-down movement of the lamp box support drives the socket to move up and down, and the socket and the plug are plugged.

The utility model relates to a novel high-pressure heavy current quick connecting piece has following beneficial effect: starting from structural design and parameter optimization, the defect that the general joint is low in voltage resistance and overcurrent capacity and inconvenient to insert and pull is overcome, the connector is more compact through structural improvement, the voltage resistance and the overcurrent capacity are obviously improved, and the quick-inserting effect and the electromagnetic shielding function are achieved simultaneously.

[ description of the drawings ]

Fig. 1 is a sectional view of the whole structure of a novel high-voltage large-current quick connecting piece.

Fig. 2 is a schematic drawing of a novel high-voltage large-current quick connector in a plugging and unplugging manner.

The reference numerals and components referred to in the drawings are as follows: 11. the plug comprises a plug external insulation main body 12, a plug internal insulation main body 13, a plug inner core 14, an energy cable 15, an energy cable fastening screw 21, a socket external insulation main body 22, a socket internal insulation main body 23, a socket inner core 24, a xenon lamp cable 25 and a xenon lamp cable fastening screw.

[ detailed description ] embodiments

The invention will be further described with reference to the following examples and with reference to the accompanying drawings.

Examples

This embodiment realizes a novel high-voltage heavy current quick connector.

This implementation a novel high-pressure heavy current quick connector uses withstand voltage requirement to be 60kV, and it requires to be 25 kA's cable quick connector for example to overflow, and is right the utility model discloses concrete implementation explains.

This implementation novel high-voltage heavy current quick connector design explains from four sides respectively: insulation design, overcurrent design, position compensation design and electromagnetic shielding design.

This implementation a novel high-voltage heavy current quick connecting piece insulation design is from two aspects of direct breakdown and creepage breakdown consideration respectively. In the aspect of direct breakdown, the design is mainly considered from the material and the wall thickness of the shell, in the design, a polytetrafluoroethylene material is selected, the withstand voltage breakdown strength is more than or equal to 10kV/mm, the minimum wall thickness of the shell is designed to be 6mm according to the different withstand voltage requirements, and the withstand voltage 60kV requirement is met; in the aspect of creepage breakdown, the creepage breakdown is designed mainly from the creepage distance between two poles and between the electrode and the ground, the withstand creepage strength of the polytetrafluoroethylene is more than or equal to 500V/mm, the minimum creepage distance is designed to be 120mm according to the different withstand voltage requirements, and the withstand voltage 60kV requirement is met.

The novel high-voltage large-current quick connecting piece overcurrent design is implemented. The connecting piece is electrically connected the inner core and is considered the material design and be brass, and surface tin-plating technology is handled, promotes structural strength on satisfying the basis that contact resistance is little. The watchband spring plate is designed at the inserting position, and the material elasticity is excellent, and the electric conductivity is good. The instantaneous short circuit current of a single contact blade is 0.6kA, and under the current intensity of 25kA, 40 blades are needed, so that the section of the battery core is designed according to the size of the reed. Meanwhile, when the current intensity is increased, the requirement of the overcurrent capacity can be met by increasing the using number of the reeds. Only need in connecting piece length direction increase corresponding size can, have the high characteristics of scalability.

This implementation a novel high-pressure heavy current quick connecting piece position compensation design. The design of the connecting piece can have adjustment allowance in the plugging process so as to perform position compensation in different plugging depth modes.

The electromagnetic shielding design of the novel high-voltage large-current quick connecting piece is implemented. The double-conductive copper foil adhesive tape is wound on the outer wall of the external insulation main body for encapsulation, so that the double-conductive copper foil adhesive tape is prevented from being influenced by an electromagnetic field of an external space, and a propagation channel of electromagnetic interference is effectively blocked.

Fig. 1 is a sectional view of the whole structure of a novel high-voltage large-current quick connecting piece. Fig. 2 is a schematic drawing of a novel high-voltage large-current quick connector in a plugging and unplugging manner. As shown in the attached drawings 1 and 2, in the novel high-voltage large-current quick connecting piece, the plug external insulating main body 11 and the plug internal insulating main body 12 are nested and assembled and are fixed through four threaded holes in the outer side, the plug inner core 13 is sleeved in the plug internal insulating main body 12 and is propped against the plug inner core 13 through the plug external insulating main body 11, and the purposes of limiting and clamping are achieved.

This embodiment a novel high-voltage large-current quick connecting piece, 14 outside parcel high-pressure pyrocondensation pipes of energy cable, further the intensive insulation, the square wire nose of tip crimping, it is fixed through energy cable fastening screw 15 with plug inner core 13, energy cable 14 wears into the inside insulating main part 12 of plug, keeps coaxial, wears out plug outside insulating main part 11 again.

The receptacle portion is identical to the plug portion. As shown in fig. 1 and fig. 2, in the novel high-voltage large-current quick connector according to the embodiment, the socket external insulation main body 21 and the socket internal insulation main body 22 are nested and assembled and fixed through four threaded holes on the outer side, and the socket inner core 23 is sleeved in the socket internal insulation main body 22 and abuts against the socket inner core 23 through the socket external insulation main body 21, so that the purposes of limiting and clamping are achieved.

This implement a novel high-voltage heavy current quick connecting piece, xenon lamp cable 24 outside parcel high pressure pyrocondensation pipe, further strengthen insulating, the square wire nose of tip crimping is fixed through xenon lamp cable fastening screw 25 with socket inner core 23, and xenon lamp cable 24 pierces into socket internal insulation main part 22, keeps coaxial, wears out socket external insulation main part 21 again.

This implement a novel high-pressure heavy current quick connector, 11 tip of plug external insulation main part have four mounting holes, can install fixedly with the external flange of fixed bolster, and 21 tips of socket external insulation main part have four mounting holes, can install fixedly with the external flange of lamp house support, and the joint reciprocates perpendicularly through the lamp house support and drives the removal of socket when using, carries out the plug process with the plug.

Watchband contact fingers are arranged in the dovetail grooves of the socket inner core 23, and the directions of the corresponding two watchband contact finger fins are preferably consistent, so that the plugging process is easier.

The outer walls of the plug external insulation main body 11 and the socket external insulation main body 21 can be wound with double-conductive copper foil adhesive tapes, and when winding is noticed, tower connection is carried out between layers, so that no gap is reserved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A novel high-voltage large-current quick connecting piece comprises a plug and a socket which are connected in a plugging manner, wherein the plug is used for connecting an energy cable, and the socket is used for connecting a xenon cable; the method is characterized in that: the plug and socket shell is made of polytetrafluoroethylene, and the wall thickness is designed according to the pressure-resistant requirement; the plug and the socket shell adopt mutually nested concentric annular structures, so that creepage insulation is increased while solid breakdown insulation is ensured; the plug and socket electric connection inner core material is brass treated by a surface tinning process; the plug and the socket are electrically connected and plugged, watchband reeds are used at the plugging positions, and the overcurrent capacity requirement is met by increasing the using number of the watchband reeds; the plug and the socket have adjustment allowance in the plugging process, and position compensation is performed in the form of different plugging depths.

2. A novel high-voltage large-current quick connector as claimed in claim 1, wherein: the outer walls of the outer insulating main bodies of the plug and the socket are wrapped by double-conductive copper foil adhesive tapes, so that the transmission of electromagnetic interference is effectively blocked.

3. A novel high-voltage large-current quick connector as claimed in claim 1, wherein: the mutually nested concentric ring structures adjust the length and width of the insulating teeth according to the voltage.

4. A novel high-voltage large-current quick connector as claimed in claim 1, wherein: the plug and the socket have similar internal structures and the same construction principle.

5. A novel high-voltage large-current quick connector as claimed in claim 4, wherein: the plug comprises a plug external insulation main body, a plug internal insulation main body, a plug inner core and an energy cable bolt fastener; the plug external insulation main body and the plug internal insulation main body are nested and assembled and are fixed through four threaded holes on the outer side; the plug inner core is sleeved in the plug internal insulation main body and props against the plug inner core through the plug external insulation main body to limit and clamp; the socket comprises a socket external insulation main body, a socket internal insulation main body, a socket inner core and a xenon lamp cable bolt fastener; the socket external insulation main body and the socket internal insulation main body are nested and assembled and are fixed through four threaded holes on the outer side; the socket inner core is sleeved in the socket internal insulation main body and props against the socket inner core through the socket external insulation main body to limit and clamp.

6. A novel high-voltage large-current quick connector as claimed in claim 5, wherein: the energy cable bolt fastener is used for fixing a square wire nose pressed at the end part of an energy cable, and the energy cable penetrates through the inner insulating main body of the plug, keeps coaxial and then penetrates out of the outer insulating main body of the plug; the xenon lamp cable bolt fastener is used for fixing a square wire nose which is crimped at the end part of the xenon lamp cable, and the xenon lamp cable penetrates into the insulation main body inside the socket, keeps coaxial and then penetrates out of the insulation main body outside the socket.

7. The novel high-voltage high-current quick connector as claimed in claim 6, wherein: the plug inner core is made of brass and is subjected to surface tin plating treatment, one end of the plug inner core is fastened with the end part of the energy cable in a threaded manner, the other end of the plug inner core is of a plate type structure, and the end part of the plate type structure is provided with an outer chamfer angle structure for being inserted into the socket inner core; the socket inner core is made of brass and is subjected to surface tin plating treatment, one end of the socket inner core is fastened with the end part of a xenon lamp cable in a threaded manner, the other end of the socket inner core is of a block type structure with a dovetail groove, and the end part of the block type structure is provided with an inner chamfer structure used for being connected with the plug inner core in an inserting manner.

8. A novel high-voltage high-current quick connector as claimed in claim 7, wherein: watchband contact fingers are arranged in the dovetail groove of the socket inner core, the opposite side of the plug inner core is smaller than the inner hole of the socket inner core by 0.5mm, and the length of the inner core and the number of the watchband contact fingers are adjusted according to the current.

9. A novel high-voltage high-current quick connector as claimed in claim 8, wherein: in the plug and socket plugging and unplugging use process, the allowance of the width among the external sliding table, the plug inner core and the socket inner core is used for compensating in the plane freedom degree, and the clearance left after the plug and the socket are inserted is used for compensating in the plugging and unplugging direction freedom degree.

10. A novel high-voltage high-current quick connector as claimed in claim 9, wherein: the large-caliber pulse xenon lamp is used for electrically connecting a large-caliber pulse xenon lamp in a lamp box of the sheet laser amplifier module; the end part of the external insulation main body of the plug is provided with four mounting holes for mounting and fixing with an external flange of the fixed bracket; the end part of the external insulation main body of the socket is provided with four mounting holes for mounting and fixing with an external flange of the lamp box bracket; the vertical up-and-down movement of the lamp box support drives the socket to move up and down, and the socket and the plug are plugged.

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