CN104181362A - High-voltage multi-pole and multi-state switching device with shielding property - Google Patents
High-voltage multi-pole and multi-state switching device with shielding property Download PDFInfo
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- CN104181362A CN104181362A CN201410448741.6A CN201410448741A CN104181362A CN 104181362 A CN104181362 A CN 104181362A CN 201410448741 A CN201410448741 A CN 201410448741A CN 104181362 A CN104181362 A CN 104181362A
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Abstract
The invention relates to a high-voltage multi-pole and multi-state switching device with the shielding property. No applicable high-voltage multi-pole and multi-state switching product exists on the market at present. The high-voltage multi-pole and multi-state switching device comprises a movement control mechanism, a high-voltage box base, a low-voltage connecting piece and a high-voltage connecting piece, wherein the low-voltage connecting piece is fixedly connected with the high-voltage connecting piece through a connecting rod. A plurality of low-voltage wiring terminals and a plurality of high-voltage wiring terminals are arranged on the walls of a wiring cavity in the high-voltage box base. A plurality of sleeve lead connecting bases are arranged on the high-voltage box base. Low-voltage conductive terminals of the low-voltage connecting piece correspond to the low-voltage wiring terminals of the high-voltage box base in a one-to-one mode. High-voltage conductive terminals of the high-voltage connecting piece correspond to the high-voltage wiring terminals of the high-voltage box base in a one-to-one mode. The low-voltage connecting piece is fixedly connected with the high-voltage connecting piece through the connecting rod. A motor drives the high-voltage connecting piece and the low-voltage connecting piece to synchronously move through a lead screw. By means of the high-voltage multi-pole and multi-state switching device, multi-pole and multi-state switching required by the automation measuring process is achieved; in addition, whole-process shielding of a high-voltage detection loop is achieved, high-voltage leakage of the detection loop is avoided, and the detection accuracy is guaranteed.
Description
Technical field
The invention belongs to power equipment field of measuring technique, be specifically related to a kind of multipole multimode switching device shifter of high voltage that possesses shielding character.
Technical background
The detection of at present power transformer being carried out, part test item need apply high voltage, and other test items need apply low-voltage; Even if same test item, part winding or sleeve pipe lead end will apply detection power supply, and another part winding or sleeve pipe lead end need ground connection or unsettled, and will change back and forth each other.Realize a joint test multiple project continuous automatic inspection that go between, need the handoff functionality of high pressure, low pressure, ground connection, four kinds of states such as unsettled.
Power transformer high pressure test item is mainly for its insulating property, and high pressure detects loop (being mainly testing circuit and high-voltage connection) and periphery object or insulating property greatly, can detect and produce significant impact high pressure.Preferably disposal route is to detect the additional one deck in loop with high-tension measurement loop equipotential but the metal screen layer of insulation at high pressure, make high pressure to low pressure or leakage greatly with detect loop and isolate.
Conventionally the winding of the each electric pressure of power transformer has 2～4 sleeve pipes to draw conventionally, and each power transformer has 2～3 electric pressures conventionally.So requirement efficiency, switching device shifter is preferably multipole.There is no in the market and be suitable for power transformer detection needs, the multipole multimode of high pressure that possesses shielding character switches product.
Summary of the invention
Object of the present invention is just to provide a kind of multipole multimode switching device shifter of high voltage that possesses shielding character.
The present invention includes moving control mechanism, high pressure cassette holder, kind of low-pressure connector and high pressure web member, kind of low-pressure connector and high pressure web member divide the both sides that are located at high-voltage cage seat.
Described moving control mechanism comprises stepper motor and screw mandrel, and one end of screw mandrel is connected with the clutch end of stepper motor; The other end is connected with kind of low-pressure connector; Stepper motor drives screw mandrel to rotate, thereby realizes the driving to kind of low-pressure connector and high pressure web member.
Described high pressure cassette holder comprises metal case, low-voltage wiring terminal, high-voltage connection terminal, sleeve pipe lead connecting seat; Described low-voltage wiring terminal is arranged at respectively two relative sidewalls of metal case with high-voltage connection terminal, multiple sleeve pipe lead connecting seat are arranged at the one side of metal case, each sleeve pipe lead connecting seat contains multi-electrode, and the electrode of sleeve pipe lead connecting seat is connected with the heart yearn joint of low-voltage wiring terminal and high-voltage connection terminal by wire.
Described kind of low-pressure connector comprises low pressure metal seat and low pressure Lead-through terminal, multiple low pressure Lead-through terminals are arranged on low pressure metal seat, low pressure Lead-through terminal is identical with low voltage terminal quantum count, one end of multiple low pressure Lead-through terminals is connected with low pressure checkout equipment, and the other end is corresponding one by one with low-voltage wiring terminal position.
Described high pressure web member comprises high-pressure metal seat and high pressure Lead-through terminal, multiple high pressure Lead-through terminals are arranged on high-pressure metal seat, high pressure Lead-through terminal is identical with high-voltage terminal quantum count, one end of multiple high pressure Lead-through terminals is connected with high-voltage detecting device, and the other end is corresponding one by one with high-voltage connection terminal position.
Described kind of low-pressure connector is fixedly connected with by connecting rod with high pressure web member, and kind of low-pressure connector is threaded with the other end of screw mandrel, and stepper motor rotates by screw mandrel, drives kind of low-pressure connector and high pressure web member synchronizing moving; In the time that kind of low-pressure connector approaches high pressure cassette holder, each low-voltage wiring terminal and low pressure Lead-through terminal are connected, realize and being connected with the hyperchannel of kind of low-pressure connector, in the time that high pressure web member approaches high pressure cassette holder, each high-voltage connection terminal and high pressure Lead-through terminal are connected, realize and being connected with the hyperchannel of high pressure web member, and then the collection of the applying of realization, high-potting electric current low to bushing shell for transformer terminal, voltage, signal; In the time that kind of low-pressure connector and high pressure web member all depart from high pressure cassette holder, low-voltage wiring terminal and low pressure Lead-through terminal, high-voltage connection terminal and high pressure Lead-through terminal are all disconnected, in vacant state.
Described metal case is the box body of sealing, and the cavity in metal case is as wire connection cavity, and wire connection cavity is arranged slot milling for detecting lead-in wire switching and other functional parts.
On relative two sidewalls of described metal case, have low-voltage wiring terminal mounting hole and high-voltage connection terminal mounting hole; Low-voltage wiring terminal is arranged in low-voltage wiring terminal mounting hole, and high-voltage connection terminal is arranged in high-voltage connection terminal mounting hole.
On the low pressure metal seat of described kind of low-pressure connector, have low pressure Lead-through terminal mounting hole, low pressure Lead-through terminal is arranged in low pressure Lead-through terminal mounting hole; On the high-pressure metal seat of described high pressure web member, have high pressure Lead-through terminal mounting hole, high pressure Lead-through terminal is arranged in high pressure Lead-through terminal mounting hole.
On relative two inwalls of described metal case, be respectively arranged with low-voltage wiring terminal holder and high-voltage connection terminal holder, low-voltage wiring terminal holder is for fixing low-voltage wiring terminal, and high-voltage connection terminal holder is for fixing high-voltage connection terminal.
Described low-voltage wiring terminal is low tension terminal or low compression bonded line contact pin, and low pressure Lead-through terminal is low pressure conducting contact pin or low pressure conduction column; In the time that low-voltage wiring terminal is low tension terminal, low pressure Lead-through terminal is low pressure conducting contact pin; In the time that low-voltage wiring terminal is low compression bonded line contact pin, low pressure Lead-through terminal is low pressure conduction column.
Described low-voltage wiring terminal is low tension terminal, in many low tension terminal horizontal directions, be set in parallel in the low-voltage wiring terminal mounting hole of a sidewall of metal case, one end of low tension terminal is stretched in wire connection cavity, as low pressure heart yearn joint, the other end is built in low-voltage wiring terminal mounting hole, the low compression bonded line interface that forms recess can also possess shielding properties in the time that kind of low-pressure connector departs from; Described low pressure Lead-through terminal is low pressure conducting contact pin, in many low pressure conducting contact pin horizontal directions, is set in parallel in the low pressure Lead-through terminal mounting hole of low pressure metal seat; The head end of each low pressure conducting contact pin is stretched out the setting of low pressure Lead-through terminal mounting hole, as low pressure conducting contact, low pressure conducting contact can relatively low pressure metal pedestal move forward and backward in the horizontal direction, and each low pressure conducting contact is corresponding one by one with low compression bonded line interface position; The afterbody end of low pressure conducting contact pin is connected with low pressure checkout equipment; In the time that kind of low-pressure connector approaches high pressure cassette holder, the low pressure conducting contact of each low pressure conducting contact pin inserts corresponding low compression bonded line interface, realizes bushing type and connects, and realizes low pressure and detects hyperchannel connection.
Described low-voltage wiring terminal is low compression bonded line contact pin, in many low compression bonded line contact pin horizontal directions, be set in parallel in the low-voltage wiring terminal mounting hole of a sidewall of metal case, the afterbody end of low compression bonded line contact pin stretches in wire connection cavity, as low pressure heart yearn joint, head end is stretched out the setting of low-voltage wiring terminal mounting hole, as low compression bonded line contact, low compression bonded line contact relatively metal case moves forward and backward in the horizontal direction; Described low pressure Lead-through terminal is low pressure conduction column, in many low pressure conduction column horizontal directions, be set in parallel in the low pressure Lead-through terminal mounting hole of low pressure metal seat, one end of each low pressure conduction column is built in low pressure Lead-through terminal mounting hole, form the low pressure conducting interface of recess, can in the time that kind of low-pressure connector departs from, also possess shielding properties, the other end is connected with low pressure checkout equipment; In the time that kind of low-pressure connector approaches high pressure cassette holder, the low compression bonded line contact of each low compression bonded line contact pin inserts low pressure conducting interface, realizes bushing type and connects, and realizes low pressure and detects hyperchannel connection.
Described high-voltage connection terminal is high tension terminal or high-voltage connection contact pin, and high pressure Lead-through terminal is high pressure conducting contact pin or high pressure conduction column; In the time that high-voltage connection terminal is high tension terminal, high pressure Lead-through terminal is high pressure conducting contact pin; In the time that high-voltage connection terminal is high-voltage connection contact pin, high pressure Lead-through terminal is high pressure conduction column.
Described high-voltage connection terminal is high tension terminal, in many high tension terminal horizontal directions, be set in parallel in the high-voltage connection terminal mounting hole of a sidewall of metal case, one end of high tension terminal is stretched in wire connection cavity, as high pressure heart yearn joint, the other end is built in high-voltage connection terminal mounting hole, the high-voltage connection interface that forms recess can also possess shielding properties in the time that high pressure web member departs from; Described high pressure Lead-through terminal is high pressure conducting contact pin, in many high pressure conducting contact pin horizontal directions, is set in parallel in the high pressure Lead-through terminal mounting hole of high-pressure metal seat; The head end of each high pressure conducting contact pin is stretched out the setting of high pressure Lead-through terminal mounting hole, as high pressure conducting contact, high pressure conducting contact can relatively high pressure metal pedestal move forward and backward in the horizontal direction, and each high pressure conducting contact is corresponding one by one with high-voltage connection interface position; The afterbody end of high pressure conducting contact pin is connected with high-voltage detecting device; In the time that high pressure web member approaches high pressure cassette holder, the high pressure conducting contact of each high pressure conducting contact pin inserts corresponding high-voltage connection interface, realizes bushing type and connects, and realizes high pressure and detects hyperchannel connection.
Described high-voltage connection terminal is high-voltage connection contact pin, in many high-voltage connection contact pin horizontal directions, be set in parallel in the high-voltage connection terminal mounting hole of a sidewall of metal case, the afterbody end of high-voltage connection contact pin stretches in wire connection cavity, as high pressure heart yearn joint, head end is stretched out the setting of high-voltage connection terminal mounting hole, as high-voltage connection contact, high-voltage connection contact relatively metal case moves forward and backward in the horizontal direction; Described high pressure Lead-through terminal is high pressure conduction column, in many high pressure conduction column horizontal directions, be set in parallel in the high pressure Lead-through terminal mounting hole of high-pressure metal seat, one end of each high pressure conduction column is built in high pressure Lead-through terminal mounting hole, form the high pressure conducting interface of recess, can in the time that high pressure web member departs from, also possess shielding properties, the other end is connected with high-voltage detecting device; In the time that high pressure web member approaches high pressure cassette holder, the high-voltage connection contact of each high-voltage connection contact pin inserts high pressure conducting interface, realizes bushing type and connects, and realizes high pressure and detects hyperchannel connection.
Described low pressure conducting contact pin is sleeve structure, and its outer tube is fixedly installed in the low pressure Lead-through terminal mounting hole of low pressure metal seat, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core; Described high pressure conducting contact pin is sleeve structure, and its outer tube is fixedly installed in the high pressure Lead-through terminal mounting hole of high-pressure metal seat, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core.
Described low compression bonded line contact pin is sleeve structure, and its outer tube is fixedly installed in the low-voltage wiring terminal mounting hole of metal case sidewall, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core; Described high-voltage connection contact pin is sleeve structure, and its outer tube is fixedly installed in the high-voltage connection terminal mounting hole of metal case sidewall, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core.
Described sleeve pipe lead connecting seat is established shielded metal shell, and this metal shell is communicated with metal case, forms short circuit.
Described metal case outer wrapping insulating material.
Described connecting rod passes the metal case setting of high pressure cassette holder, and is slidably matched with metal case, the outer wall wrap insulate material of connecting rod.
The multi-electrode outer wrapping insulating material of described sleeve pipe lead connecting seat, and be fixed in the metal shell of sleeve pipe lead connecting seat.
In the time that kind of low-pressure connector approaches high pressure cassette holder, the low pressure conducting contact of low pressure conducting contact pin inserts low compression bonded line interface (or the low compression bonded line contact of low compression bonded line contact pin inserts low pressure conducting interface), realize sleeve pipe lead-in wire and connect, reach with kind of low-pressure connector hyperchannel and be connected; In the time that high pressure web member approaches high pressure cassette holder, the high pressure conducting contact of high pressure conducting contact pin inserts high-voltage connection interface (or the high-voltage connection contact of high-voltage connection contact pin inserts high pressure conducting interface), realize sleeve pipe lead-in wire and connect, reach with high pressure web member hyperchannel and be connected; In the time that kind of low-pressure connector and high pressure web member all depart from high pressure cassette holder, contact does not all contact with interface, and sleeve pipe lead-in wire is directly just in vacant state.Thereby realize multipole connection sleeve pipe lead-in wire, realize the collection of the applying of, high-potting electric current low to bushing shell for transformer terminal, voltage, signal.
The multipole multimode switching device shifter of high voltage of the present invention has been realized the multipole multimode needing in automatic measurement process and has been switched, and after connecting and switching, realizes high pressure and detect the omnidistance shielding in loop, avoids detecting the high-pressure leakage in loop, guarantee accuracy of detection.
Brief description of the drawings
Fig. 1 is contour structures schematic diagram of the present invention;
Fig. 2 is the cross-sectional view of Fig. 1.
Embodiment
As shown in Figure 1, a kind of multipole multimode switching device shifter of high voltage that possesses shielding character comprises moving control mechanism 1, high pressure cassette holder 2, kind of low-pressure connector 3, high pressure web member 4.Moving control mechanism 1, for controlling the movement of kind of low-pressure connector 3 and high pressure web member 4, is realized the driving to kind of low-pressure connector 3 and high pressure web member 4.High pressure cassette holder 2 is for detection of the connection and the switching that go between and make high pressure detect loop in shielding environment.Kind of low-pressure connector 3 is for unsettled or be connected with low-tension supply, low-voltage testing circuit, ground terminal.High pressure web member 4 is for being connected with high-voltage power supply and corresponding testing circuit full-shield.Sleeve pipe lead connecting seat and sleeve pipe lead-in wire is connected, and realizes being connected of switching device shifter and the each winding casing tube of transformer.All high voltage components meet dielectric strength requirement.
As shown in Figure 2, moving control mechanism 1 comprises stepper motor 1-1 and screw mandrel 1-2, and one end of screw mandrel 1-2 is connected with the clutch end of stepper motor 1-1, and the other end is connected with kind of low-pressure connector 3; Stepper motor 1-1 drives screw mandrel 1-2 to rotate, thereby realizes the driving to kind of low-pressure connector 3 and high pressure web member 4.
High pressure cassette holder 2 comprises metal case 2-1, and metal case 2-1 is the box body of sealing, and the cavity in metal case 2-1 is as wire connection cavity 2-2, and wire connection cavity 2-2 is mainly parts layout slot millings such as detecting lead-in wire switching and low-voltage wiring terminal, high-voltage connection terminal.On relative two inwalls of metal case 2-1, be respectively arranged with low-voltage wiring terminal holder 2-3 and high-voltage connection terminal holder 2-4, and correspondence has low-voltage wiring terminal mounting hole and high-voltage connection terminal mounting hole.
The upper horizontal parallel of low-voltage wiring terminal holder 2-3 is fixedly installed many low tension terminal 2-5, one end of low tension terminal 2-5 is stretched in wire connection cavity 2-2, as low pressure heart yearn joint, the other end is built in low-voltage wiring terminal mounting hole, forms the low compression bonded line interface 2-6 of recess.In the time that kind of low-pressure connector 3 approaches, accept multipole insertion, reach with kind of low-pressure connector 3 hyperchannels and be connected; The low compression bonded line interface 2-6 of recess also possesses shielding properties when kind of low-pressure connector 3 is departed from.
In high-voltage connection terminal holder 2-4, level is fixedly installed many high-voltage connection contact pin 2-7, and the head end of high-voltage connection contact pin 2-7 relatively metal case 2-1 moves forward and backward in the horizontal direction; The afterbody end of high-voltage connection contact pin 2-7 stretches in wire connection cavity 2-2, as high pressure heart yearn joint, head end is stretched out the setting of high-voltage connection terminal mounting hole, as high-voltage connection contact 2-8, when high pressure web member 4 near time multipole insertion, reach with high pressure web member 4 hyperchannels and be connected.
High-voltage connection contact pin 2-7 is sleeve structure, and its outer tube is fixedly installed in metal case 2-1, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core.
The upper tops of metal case 2-1 arranges four sleeve pipe lead connecting seat 2-9, detects lead-in wire for connecting, similar with conventional aviation socket.Each sleeve pipe lead connecting seat 2-9 contains two electrodes, and shielded metal shell is established in outside, electrode outer wrapping insulating material, and be fixed in the metal shell of sleeve pipe lead connecting seat 2-9; The metal shell of sleeve pipe lead connecting seat 2-9 and metal case 2-1 conducting, four sleeve pipe lead connecting seat 2-9 are connected with low pressure heart yearn joint or high pressure heart yearn joint by wire.
Kind of low-pressure connector 3 comprises low pressure metal seat 3-1 and low pressure conducting contact pin 3-2, has low pressure Lead-through terminal mounting hole on low pressure metal seat 3-1; In many low pressure conducting contact pin 3-2 horizontal directions, be set in parallel in low pressure metal seat 3-1; The head end of each low pressure conducting contact pin 3-2 is stretched out the setting of low pressure Lead-through terminal mounting hole, as low pressure conducting contact 3-3, can move forward and backward in the horizontal direction by relatively low pressure metal pedestal 3-1, each low pressure conducting contact 3-3 is corresponding one by one with low compression bonded line interface 2-6 position; The afterbody end of low pressure conducting contact pin 3-2 is connected with low pressure checkout equipment.
Low pressure conducting contact pin 3-2 is sleeve structure, and its outer tube is fixedly installed in low pressure metal seat 3-1, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core.
On low pressure metal seat 3-1, have threaded hole, the other end of screw mandrel 1-2 is arranged in threaded hole, stepper motor 1-1 drives kind of low-pressure connector 3 and high pressure web member 4 to move forward and backward by screw mandrel 1-2.
High pressure web member 4 comprises high-pressure metal seat 4-1 and high pressure conduction column 4-2, on high-pressure metal seat 4-1, have high pressure Lead-through terminal mounting hole, multiple high pressure conduction column 4-2 are arranged at respectively in corresponding high pressure Lead-through terminal mounting hole, one end of each high pressure conduction column 4-2 is connected with high-voltage detecting device, the other end is built in high-pressure metal seat 4-1, a little less than high pressure Lead-through terminal mounting hole aperture position, form the high pressure conducting interface 4-3 of recess, and corresponding one by one with the high-voltage connection contact 2-8 position of the high-voltage connection contact pin 2-7 of high pressure cassette holder.The high pressure conducting interface 4-3 of recess also possesses shielding properties when high pressure web member 4 is departed from.
Kind of low-pressure connector 3 is fixedly connected with by connecting rod 5 with high pressure web member 4, connecting rod 5 outer wall wrap insulate materials, connecting rod 5 arranges through the metal case 2-1 of high pressure cassette holder 2, and be slidably matched with metal case 2-1, make screw mandrel 1-2 drive kind of low-pressure connector 3 and high pressure web member 4 relatively high pressure cassette holder 2 synchronizing movings by control step motor 1-1.
The multi-electrode of sleeve pipe lead connecting seat need to be connected with low pressure heart yearn joint or high pressure heart yearn joint by wire according to test.Carrying out in main transformer robotization testing process, need to connect high-voltage power supply or corresponding testing circuit time, moving control mechanism synchronously moves forward and backward kind of low-pressure connector and high pressure web member by screw mandrel.When kind of low-pressure connector is during near high pressure cassette holder, high pressure web member is away from high pressure cassette holder, in the low-voltage wiring terminal mounting hole of the multipole insertion high pressure of the low pressure conducting contact pin cassette holder in kind of low-pressure connector, contact respectively with the low compression bonded line interface of corresponding low tension terminal, reach with kind of low-pressure connector hyperchannel and be connected, complete the conducting of low pressure detection line, connect thereby realize sleeve pipe lead-in wire.When high pressure web member is during near high pressure cassette holder, kind of low-pressure connector is away from high pressure cassette holder, high pressure web member accepts to be positioned at the multipole insertion of the high-voltage connection contact pin on high pressure cassette holder, reach with high pressure web member hyperchannel and be connected, complete the conducting of high pressure detection line, thereby multipole connection sleeve pipe lead-in wire is realized the collection to the applying of bushing shell for transformer terminal high-potting electric current, voltage, signal.While needing unsettled operation, kind of low-pressure connector does not contact with high pressure connecting contact pin with the low tension terminal of high pressure cassette holder with high pressure web member, thereby makes sleeve pipe lead-in wire directly just in vacant state.By control step motor, can complete easily the detection of high pressure, low pressure, unsettled three kinds of states.
Claims (15)
1. the multipole multimode switching device shifter of high voltage that possesses shielding character, comprises moving control mechanism, high pressure cassette holder, kind of low-pressure connector and high pressure web member, and kind of low-pressure connector and high pressure web member divide the both sides that are located at high-voltage cage seat, it is characterized in that:
Described moving control mechanism comprises stepper motor and screw mandrel, and one end of screw mandrel is connected with the clutch end of stepper motor;
Described high pressure cassette holder comprises metal case, low-voltage wiring terminal, high-voltage connection terminal, sleeve pipe lead connecting seat; Described low-voltage wiring terminal is arranged at respectively two relative sidewalls of metal case with high-voltage connection terminal, multiple sleeve pipe lead connecting seat are arranged at the one side of metal case, each sleeve pipe lead connecting seat contains multi-electrode, and the electrode of sleeve pipe lead connecting seat is connected with the heart yearn joint of low-voltage wiring terminal and high-voltage connection terminal by wire;
Described kind of low-pressure connector comprises low pressure metal seat and low pressure Lead-through terminal, multiple low pressure Lead-through terminals are arranged on low pressure metal seat, low pressure Lead-through terminal is identical with low voltage terminal quantum count, one end of multiple low pressure Lead-through terminals is connected with low pressure checkout equipment, and the other end is corresponding one by one with low-voltage wiring terminal position;
Described high pressure web member comprises high-pressure metal seat and high pressure Lead-through terminal, multiple high pressure Lead-through terminals are arranged on high-pressure metal seat, high pressure Lead-through terminal is identical with high-voltage terminal quantum count, one end of multiple high pressure Lead-through terminals is connected with high-voltage detecting device, and the other end is corresponding one by one with high-voltage connection terminal position;
Described kind of low-pressure connector is fixedly connected with by connecting rod with high pressure web member, and kind of low-pressure connector is threaded with the other end of screw mandrel, and stepper motor rotates by screw mandrel, drives kind of low-pressure connector and high pressure web member synchronizing moving; In the time that kind of low-pressure connector approaches high pressure cassette holder, each low-voltage wiring terminal and low pressure Lead-through terminal are connected, realize and being connected with the hyperchannel of kind of low-pressure connector, in the time that high pressure web member approaches high pressure cassette holder, each high-voltage connection terminal and high pressure Lead-through terminal are connected, realize and being connected with the hyperchannel of high pressure web member, and then the collection of the applying of realization, high-potting electric current low to bushing shell for transformer terminal, voltage, signal; In the time that kind of low-pressure connector and high pressure web member all depart from high pressure cassette holder, low-voltage wiring terminal and low pressure Lead-through terminal, high-voltage connection terminal and high pressure Lead-through terminal are all disconnected, in vacant state.
2. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 1, it is characterized in that: described metal case is the box body of sealing, cavity in metal case is as wire connection cavity, and wire connection cavity is arranged slot milling for detecting lead-in wire switching and other functional parts.
3. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 2, is characterized in that:
On relative two sidewalls of described metal case, have low-voltage wiring terminal mounting hole and high-voltage connection terminal mounting hole; Low-voltage wiring terminal is arranged in low-voltage wiring terminal mounting hole, and high-voltage connection terminal is arranged in high-voltage connection terminal mounting hole;
On the low pressure metal seat of described kind of low-pressure connector, have low pressure Lead-through terminal mounting hole, low pressure Lead-through terminal is arranged in low pressure Lead-through terminal mounting hole; On the high-pressure metal seat of described high pressure web member, have high pressure Lead-through terminal mounting hole, high pressure Lead-through terminal is arranged in high pressure Lead-through terminal mounting hole.
4. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 2, it is characterized in that: on relative two inwalls of described metal case, be respectively arranged with low-voltage wiring terminal holder and high-voltage connection terminal holder, low-voltage wiring terminal holder is for fixing low-voltage wiring terminal, and high-voltage connection terminal holder is for fixing high-voltage connection terminal.
5. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 2, is characterized in that:
Described low-voltage wiring terminal is low tension terminal or low compression bonded line contact pin, and low pressure Lead-through terminal is low pressure conducting contact pin or low pressure conduction column; In the time that low-voltage wiring terminal is low tension terminal, low pressure Lead-through terminal is low pressure conducting contact pin; In the time that low-voltage wiring terminal is low compression bonded line contact pin, low pressure Lead-through terminal is low pressure conduction column;
Described high-voltage connection terminal is high tension terminal or high-voltage connection contact pin, and high pressure Lead-through terminal is high pressure conducting contact pin or high pressure conduction column; In the time that high-voltage connection terminal is high tension terminal, high pressure Lead-through terminal is high pressure conducting contact pin; In the time that high-voltage connection terminal is high-voltage connection contact pin, high pressure Lead-through terminal is high pressure conduction column.
6. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 5, is characterized in that:
Described low-voltage wiring terminal is low tension terminal, in many low tension terminal horizontal directions, be set in parallel in the low-voltage wiring terminal mounting hole of a sidewall of metal case, one end of low tension terminal is stretched in wire connection cavity, as low pressure heart yearn joint, the other end is built in low-voltage wiring terminal mounting hole, forms the low compression bonded line interface of recess;
Described low pressure Lead-through terminal is low pressure conducting contact pin, in many low pressure conducting contact pin horizontal directions, is set in parallel in the low pressure Lead-through terminal mounting hole of low pressure metal seat; The head end of each low pressure conducting contact pin is stretched out the setting of low pressure Lead-through terminal mounting hole, as low pressure conducting contact, low pressure conducting contact can relatively low pressure metal pedestal move forward and backward in the horizontal direction, and each low pressure conducting contact is corresponding one by one with low compression bonded line interface position; The afterbody end of low pressure conducting contact pin is connected with low pressure checkout equipment; In the time that kind of low-pressure connector approaches high pressure cassette holder, the low pressure conducting contact of each low pressure conducting contact pin inserts corresponding low compression bonded line interface, realizes bushing type and connects, and realizes low pressure and detects hyperchannel connection.
7. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 5, is characterized in that:
Described low-voltage wiring terminal is low compression bonded line contact pin, in many low compression bonded line contact pin horizontal directions, be set in parallel in the low-voltage wiring terminal mounting hole of a sidewall of metal case, the afterbody end of low compression bonded line contact pin stretches in wire connection cavity, as low pressure heart yearn joint, head end is stretched out the setting of low-voltage wiring terminal mounting hole, as low compression bonded line contact, low compression bonded line contact relatively metal case moves forward and backward in the horizontal direction;
Described low pressure Lead-through terminal is low pressure conduction column, in many low pressure conduction column horizontal directions, be set in parallel in the low pressure Lead-through terminal mounting hole of low pressure metal seat, one end of each low pressure conduction column is built in low pressure Lead-through terminal mounting hole, the low pressure conducting interface that forms recess, the other end is connected with low pressure checkout equipment; In the time that kind of low-pressure connector approaches high pressure cassette holder, the low compression bonded line contact of each low compression bonded line contact pin inserts low pressure conducting interface, realizes bushing type and connects, and realizes low pressure and detects hyperchannel connection.
8. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 5, is characterized in that:
Described high-voltage connection terminal is high tension terminal, in many high tension terminal horizontal directions, be set in parallel in the high-voltage connection terminal mounting hole of a sidewall of metal case, one end of high tension terminal is stretched in wire connection cavity, as high pressure heart yearn joint, the other end is built in high-voltage connection terminal mounting hole, forms the high-voltage connection interface of recess;
Described high pressure Lead-through terminal is high pressure conducting contact pin, in many high pressure conducting contact pin horizontal directions, is set in parallel in the high pressure Lead-through terminal mounting hole of high-pressure metal seat; The head end of each high pressure conducting contact pin is stretched out the setting of high pressure Lead-through terminal mounting hole, as high pressure conducting contact, high pressure conducting contact can relatively high pressure metal pedestal move forward and backward in the horizontal direction, and each high pressure conducting contact is corresponding one by one with high-voltage connection interface position; The afterbody end of high pressure conducting contact pin is connected with high-voltage detecting device; In the time that high pressure web member approaches high pressure cassette holder, the high pressure conducting contact of each high pressure conducting contact pin inserts corresponding high-voltage connection interface, realizes bushing type and connects, and realizes high pressure and detects hyperchannel connection.
9. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as claimed in claim 5, is characterized in that:
Described high-voltage connection terminal is high-voltage connection contact pin, in many high-voltage connection contact pin horizontal directions, be set in parallel in the high-voltage connection terminal mounting hole of a sidewall of metal case, the afterbody end of high-voltage connection contact pin stretches in wire connection cavity, as high pressure heart yearn joint, head end is stretched out the setting of high-voltage connection terminal mounting hole, as high-voltage connection contact, high-voltage connection contact relatively metal case moves forward and backward in the horizontal direction;
Described high pressure Lead-through terminal is high pressure conduction column, in many high pressure conduction column horizontal directions, be set in parallel in the high pressure Lead-through terminal mounting hole of high-pressure metal seat, one end of each high pressure conduction column is built in high pressure Lead-through terminal mounting hole, the high pressure conducting interface that forms recess, the other end is connected with high-voltage detecting device; In the time that high pressure web member approaches high pressure cassette holder, the high-voltage connection contact of each high-voltage connection contact pin inserts high pressure conducting interface, realizes bushing type and connects, and realizes high pressure and detects hyperchannel connection.
10. a kind of multipole multimode switching device shifter of high voltage that possesses shielding character as described in claim 6 or 8, it is characterized in that: described low pressure conducting contact pin is sleeve structure, its outer tube is fixedly installed in the low pressure Lead-through terminal mounting hole of low pressure metal seat, inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core; Described high pressure conducting contact pin is sleeve structure, and its outer tube is fixedly installed in the high pressure Lead-through terminal mounting hole of high-pressure metal seat, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core.
11. a kind of multipole multimode switching device shifters of high voltage that possess shielding character as described in claim 7 or 9, it is characterized in that: described low compression bonded line contact pin is sleeve structure, its outer tube is fixedly installed in the low-voltage wiring terminal mounting hole of metal case sidewall, inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core; Described high-voltage connection contact pin is sleeve structure, and its outer tube is fixedly installed in the high-voltage connection terminal mounting hole of metal case sidewall, and inner core is connected by spring with outer tube, and outer tube is elastic relatively for inner core.
12. a kind of multipole multimode switching device shifters of high voltage that possess shielding character as described in claim 1,2,3,4,5,6,7,8 or 9, it is characterized in that: described sleeve pipe lead connecting seat is established shielded metal shell, this metal shell is communicated with metal case, forms short circuit.
13. a kind of multipole multimode switching device shifters of high voltage that possess shielding character as described in claim 1,2,3,4,5,6,7,8 or 9, is characterized in that: described metal case outer wrapping insulating material.
14. a kind of multipole multimode switching device shifters of high voltage that possess shielding character as described in claim 1,2,3,4,5,6,7,8 or 9, it is characterized in that: described connecting rod is through the metal case setting of high pressure cassette holder, and be slidably matched with metal case, the outer wall wrap insulate material of connecting rod.
15. a kind of multipole multimode switching device shifters of high voltage that possess shielding character as described in claim 1,2,3,4,5,6,7,8 or 9, it is characterized in that: the multi-electrode outer wrapping insulating material of described sleeve pipe lead connecting seat, and be fixed in the metal shell of sleeve pipe lead connecting seat.
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| CN201410448741.6A CN104181362B (en) | 2014-09-04 | 2014-09-04 | High-voltage multi-stage and multi-state switching device with shielding property |
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| CN201410448741.6A CN104181362B (en) | 2014-09-04 | 2014-09-04 | High-voltage multi-stage and multi-state switching device with shielding property |
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