CN110504559A - A kind of power bus-bar - Google Patents
A kind of power bus-bar Download PDFInfo
- Publication number
- CN110504559A CN110504559A CN201910798837.8A CN201910798837A CN110504559A CN 110504559 A CN110504559 A CN 110504559A CN 201910798837 A CN201910798837 A CN 201910798837A CN 110504559 A CN110504559 A CN 110504559A
- Authority
- CN
- China
- Prior art keywords
- busbar ontology
- busbar
- electric power
- ontology
- copper sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 83
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052802 copper Inorganic materials 0.000 claims abstract description 61
- 239000010949 copper Substances 0.000 claims abstract description 61
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 235000019362 perlite Nutrition 0.000 claims description 6
- 239000010451 perlite Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000001131 transforming effect Effects 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/505—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using an excentric element
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/10—Cooling
-
- 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
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
Landscapes
- Insulators (AREA)
- Resistance Heating (AREA)
Abstract
The invention belongs to electric power project engineering field, specifically a kind of power bus-bar, including busbar ontology；Electric power porcelain vase is equipped in the middle part of busbar ontology, electric power porcelain vase is equipped with fixing screws close to one end of busbar ontology；It is equipped with fixation hole to position with fixing screws on busbar ontology, fixing screws cooperation fixation hole positions busbar ontology；The nut for fixing busbar ontology is threaded in fixing screws；Busbar ontology is equipped with copper sheet close to the two sides of fixing screws, and copper sheet is for reducing the resistance that busbar ontology is located at electric power porcelain vase corresponding position；Fixing screws cooperate after the through-hole on copper sheet with nut；The present invention adds copper sheet by busbar ontology two sides, reducing the resistance of busbar ontology herein flows through electric current herein when reduces heating temperature, so that liquefaction is pre-chilled on electric power porcelain vase after will not rising again for the steam temperature near busbar ontology, the insulation performance of electric power porcelain vase is reduced.
Description
Technical field
The invention belongs to electric power project engineering field, specifically a kind of power bus-bar.
Background technique
Busbar is exactly in confession under directions electric system, and always system switchs the connecting copper bar or aluminium with the switch in each shunt circuit in electric cabinet
It is to do conducting wire use that row, which does insulation processing main function in the surface,.
Busbar is sometimes referred to as bus bar, is the conductive material title on power distribution equipment, and material flat copper (is equivalent to electricity
Line), without insulating layer, outside is mainly used for indoor transformer to power distribution cabinet and arrives power supply again brushed with the coloured paint for indicating phase sequence
Total lock is then attached to each separating brake.
High and low voltage switchgear is generally used for electric system power generation, transmission of electricity, distribution, electric energy conversion and consumption, primarily serves logical
Disconnected, control and protective effect, high-tension switch cabinet are classified by voltage rank order is made, voltage class 3.6kV-550kV, and low pressure
The voltage class of switchgear is 380V-660V.Copper/aluminium row can be often used on power switch cabinet.
Busbar carried out in power distribution cabinet power Transmission using when can give off heat, after heat transfer is to the air near busbar
So that the steam temperature in air increases, it is easy when the higher vapor of temperature encounters the lower electric power porcelain vase of temperature in electricity
It is liquefied as droplet on power porcelain vase, the insulation performance of electric power porcelain vase can be reduced after the dust on droplet blended electric power porcelain vase, is easy to make
The insulating protection for obtaining the electric current breakdown electric power porcelain vase on busbar, causes security risk.
Summary of the invention
In order to make up for the deficiencies of the prior art, busbar is solved to carry out that heat can be issued when power Transmission use in power distribution cabinet
Amount, heat transfer is to the steam temperature in air is increased, when the higher vapor of temperature is met
It is easy to be liquefied as droplet on electric power porcelain vase when electric power porcelain vase lower to temperature, meeting after the dust on droplet blended electric power porcelain vase
The insulation performance of electric power porcelain vase is reduced, the insulating protection so that the electric current breakdown electric power porcelain vase on busbar is easy, causes safety hidden
The problem of suffering from, a kind of power bus-bar proposed by the present invention.
The technical solution adopted by the present invention to solve the technical problems is: a kind of power bus-bar of the present invention, including
Busbar ontology；Electric power porcelain vase is equipped in the middle part of the busbar ontology, electric power porcelain vase is equipped with fixing screws close to one end of busbar ontology；
It is equipped with fixation hole to position with fixing screws on the busbar ontology, fixing screws cooperation fixation hole determines busbar ontology
Position；The nut for fixing busbar ontology is threaded in the fixing screws；The busbar ontology is close to fixing screws
Two sides are equipped with copper sheet, and copper sheet is for reducing the resistance that busbar ontology is located at electric power porcelain vase corresponding position；The fixing screws run through
Cooperate after through-hole on copper sheet with nut；In use, after busbar ontology is powered, due to close to the busbar ontology two sides of electric power porcelain vase
Equipped with copper sheet, so that the busbar ontology conductive cross-sectional area near electric power porcelain vase increases, and then busbar ontology herein is reduced
Resistance heating temperature is reduced when electric current is flowed through herein, reduce the cost of busbar internal consumption copper product, while can also make
It heats up when obtaining the busbar ontology energization near electric power porcelain vase unobvious, and then reduces electric power porcelain vase position corresponding with electric power porcelain vase
The temperature difference of busbar ontology is set, so that liquefaction is pre-chilled on electric power porcelain vase after will not rising again for the steam temperature near busbar ontology,
Insulation performance reduces after the impurity adhered on dust and electric power porcelain vase in liquefied vapor mixing air, so that busbar ontology
On electric current puncture electric power porcelain vase, it is easily initiation electric shock and other safety accidents that electric power porcelain vase is of short duration, which to lose insulation performance, final to protect
Effective insulating effect of electric power porcelain vase is demonstrate,proved, guarantees that busbar ontological security works normally.
Preferably, the copper sheet both ends are equipped with circular arc chamfering, and circular arc chamfering is for reducing copper sheet point discharge；Circular arc chamfering
The sharp convex stupefied and wedge angle at copper sheet both ends can be reduced, so that busbar ontology is to reduce copper in conveying high-pressure or extra-high current voltage
The point discharge phenomenon of board ends is further ensured that busbar ontology has good insulation performance, prevents point discharge breakdown empty
Badly damaged, the service life of raising busbar ontology is caused after gas to service personnel and power transmission and transforming equipment.
Preferably, arc-extinguish chamber is cased in the middle part of the copper sheet, arc-extinguish chamber inner wall is equipped with one group of insulation grid, and arc-extinguish chamber cooperation is exhausted
Edge grid is used to reduce the point discharge at nut；Since busbar ontology is consolidated by fastening bolt and nut and electric power porcelain vase
It is fixed, and nut has the structure of six ribs, there are more corner angle and wedge angles, at this time can be with resistance using arc-extinguish chamber coordinated insulation grid
The point discharge length of disconnected nut, and the arc length of point discharge is reduced, prevent tip of the nut because being connected with high-voltage electricity generation
The arc through air of electric discharge causes bigger security risk.
Preferably, the arc-extinguish chamber side wall is equipped with separate cavities, is filled in separate cavities and is used for heat-insulated perlite particle；It goes out
Separate cavities are equipped in arc cover, in the heat transfer to electric power porcelain vase for further reducing the sending of busbar ontology, to reduce electric power
Condensed water on porcelain vase, while the perlite particle filled in separate cavities has good heat insulation, further blocks busbar
The temperature difference between ontology and electric power porcelain vase, and then heating air is formed when the busbar ontology energization of reduction electric power porcelain vase corresponding position
The temperature difference, the condensed water being further reduced on electric power porcelain vase guarantees the good insulation properties of electric power porcelain vase.
Preferably, it is cased with heat-shrink tube on the busbar ontology outside the arc-extinguish chamber, separation layer, separation layer is cased on heat-shrink tube
In be equipped with metal isolation net；The metal isolation net and the equal effective grounding of arc-extinguish chamber；The copper sheet is close to the side of busbar ontology 1
Equipped with knurled pattern, increases and contacted with the effective of busbar ontology 1；By the ground connection of metal isolation net, busbar sheet is shielded well
The magnetic field generated when flowing through electric current in body, and then the cabinet body generation induced current where busbar ontology is reduced, so that being dropped in cabinet body
The low fever generated by induced current, reduces the service life of rubber-covered component in cabinet body.
Preferably, the heat-shrink tube is cased with elastic ring close to one end of arc-extinguish chamber；The elastic ring is far from arc-extinguish chamber side
Heat-shrink tube in be equipped with cavity；Adhesive sticker is coated between the heat-shrink tube and busbar ontology of the elastic ring corresponding position；Work as mother
Ontology adstante febre due to the electric current flowed through is arranged, the air in heat cavity that busbar ontology issues, so that the sky in cavity
Backlash breaks elastic ring to the sealing function of cavity, so that compressed air is from heat-shrink tube close to the one of copper sheet to a certain extent for gas expansion
End sprays, and then the dust of the circular arc chamfering deposition on copper sheet and copper sheet is blown away, and reduces dust deposit and excessively causes to flow through mother
The electric current breakdown dust and air for arranging ontology, cause security risk；The heat-shrink tube and busbar ontology of elastic ring corresponding position simultaneously
Between the adhesive sticker that is coated with can increase the leakproofness of cavity, and then increase the speed that compressed air sprays in cavity, into one
Step increases the elimination effect of dust on copper sheet, and after the hollow gas blowout of cavity goes out, elastic ring cooperates adhesive sticker to carry out again to cavity
Sealing guarantees the cleannes of copper sheet so that cavity repeats to generate compressed gas.
Beneficial effects of the present invention are as follows:
1. a kind of power bus-bar of the present invention is made by being equipped with copper sheet close to the busbar ontology two sides of electric power porcelain vase
It obtains the busbar ontology conductive cross-sectional area near electric power porcelain vase to increase, and then the resistance for reducing busbar ontology herein makes electricity
Heating temperature is reduced when stream flows through herein, reduces the cost of busbar internal consumption copper product, while reducing electric power porcelain vase and electric power
The temperature difference of porcelain vase corresponding position busbar ontology so that the steam temperature near busbar ontology will not rise after again on electric power porcelain vase
The insulation performance of pre-cooling liquefaction, electric power porcelain vase reduces, so that the electric current on busbar ontology punctures electric power porcelain vase, reduces and causes electric shock
Etc. safety accidents, guarantee busbar ontological security work normally.
2. a kind of power bus-bar of the present invention can reduce the sharp convex stupefied and sharp of copper sheet both ends by circular arc chamfering
Angle is further protected so that busbar ontology is the point discharge phenomenon for reducing copper sheet both ends in conveying high-pressure or extra-high current voltage
Demonstrate,proving busbar ontology has good insulation performance, causes after preventing point discharge from puncturing air to service personnel and power transmission and transforming equipment
It is badly damaged, improve the service life of busbar ontology.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is perspective view of the invention；
Fig. 2 is left view of the invention；
Fig. 3 is partial enlarged view at A in Fig. 2；
The structure chart of copper sheet in Fig. 4 present invention；
In figure: busbar ontology 1, electric power porcelain vase 2, fixing screws 3, nut 4, copper sheet 5, through-hole 6, circular arc chamfering 7, arc-extinguish chamber
8, insulate grid 9, separate cavities 10, heat-shrink tube 11, separation layer 12, metal isolation net 13, knurled pattern 14, elastic ring 15, cavity
16。
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 4, a kind of power bus-bar of the present invention, including busbar ontology 1；In the busbar ontology 1
Portion is equipped with electric power porcelain vase 2, and electric power porcelain vase 2 is equipped with fixing screws 3 close to one end of busbar ontology 1；On the busbar ontology 1 and admittedly
Determine 3 pairs of screw and be equipped with fixation hole with position, fixing screws 3 cooperate fixation hole to position busbar ontology 1；The fixing screws
The nut 4 for fixing busbar ontology 1 is threaded on 3；The busbar ontology 1 is equipped with copper close to the two sides of fixing screws 3
Plate 5, copper sheet 5 is for reducing the resistance that busbar ontology 1 is located at 2 corresponding position of electric power porcelain vase；The fixing screws 3 run through copper sheet 5
On through-hole 6 after with nut 4 cooperate；In use, after busbar ontology 1 is powered, due to 1 liang of busbar ontology of close electric power porcelain vase 2
Side is equipped with copper sheet 5, so that 1 conductive cross-sectional area of busbar ontology near electric power porcelain vase 2 increases, and then reduces busbar herein
The resistance of ontology 1 reduces heating temperature when electric current is flowed through herein, reduce the cost that busbar ontology 1 consumes copper product, simultaneously
The busbar ontology 1 near electric power porcelain vase 2 can also be made to heat up when being powered unobvious, and then reduce electric power porcelain vase 2 and electric power
The temperature difference of 2 corresponding position busbar ontology 1 of porcelain vase so that the steam temperature near busbar ontology 1 will not rise after electric power porcelain again
Liquefaction is pre-chilled on bottle 2, insulation performance drops after the impurity adhered on the dust and electric power porcelain vase 2 in liquefied vapor mixing air
Low, so that the electric current on busbar ontology 1 punctures electric power porcelain vase 2, the of short duration insulation performance that loses of electric power porcelain vase 2 is easily to cause electric shock
Etc. safety accidents, the final effective insulating effect for guaranteeing electric power porcelain vase 2 guarantee that 1 safety of busbar ontology works normally.
As one embodiment of the present invention, 5 both ends of copper sheet are equipped with circular arc chamfering 7, and circular arc chamfering 7 is for reducing
5 point discharge of copper sheet；Circular arc chamfering 7 can reduce the sharp convex stupefied and wedge angle at 5 both ends of copper sheet, so that busbar ontology 1 is conveying
High pressure or extra-high current voltage are the point discharge phenomenons for reducing 5 both ends of copper sheet, and it is good to be further ensured that busbar ontology 1 has
Insulation performance causes badly damaged, raising busbar sheet to service personnel and power transmission and transforming equipment after preventing point discharge from puncturing air
The service life of body 1.
As one embodiment of the present invention, arc-extinguish chamber 8 is cased in the middle part of the copper sheet 5,8 inner wall of arc-extinguish chamber is equipped with one group
Insulate grid 9, and 8 coordinated insulation grid 9 of arc-extinguish chamber is used to reduce the point discharge at nut 4；Since busbar ontology 1 passes through fastening
Screw bolt and nut 4 is fixed with electric power porcelain vase 2, and nut 4 has the structure of six ribs, there are more corner angle and wedge angle, this
8 coordinated insulation grid 9 of Shi Caiyong arc-extinguish chamber can be with the point discharge length that blocks nut 4, and the electric arc for reducing point discharge is long
Degree prevents bigger security risk caused by the arc through air of point discharge of the nut 4 because being connected with high-voltage electricity generation.
As one embodiment of the present invention, 8 side wall of arc-extinguish chamber is equipped with separate cavities 10, is filled in separate cavities 10
For heat-insulated perlite particle；Separate cavities 10 are equipped in arc-extinguish chamber 8, the heat for further reducing the sending of busbar ontology 1 passes
It is delivered on electric power porcelain vase 2, thus the perlite particle tool for reducing the condensed water on electric power porcelain vase 2, while being filled in separate cavities 10
There is good heat insulation, further blocks the temperature difference between busbar ontology 1 and electric power porcelain vase 2, and then it is right to reduce electric power porcelain vase 2
The temperature difference that heating air is formed when the busbar ontology 1 of position being answered to be powered, the condensed water being further reduced on electric power porcelain vase 2 guarantee
The good insulation properties of electric power porcelain vase 2.
As one embodiment of the present invention, heat-shrink tube 11 is cased on the busbar ontology 1 outside the arc-extinguish chamber 8, heat
It is cased with separation layer 12 on the draw 11, is equipped with metal isolation net 13 in separation layer 12；The metal isolation net 13 and arc-extinguish chamber 8 have
Effect ground connection；The copper sheet 5 is equipped with knurled pattern 14 close to the side of busbar ontology 1, increases and contacts with the effective of busbar ontology 1；
By the ground connection of metal isolation net 13, the magnetic field generated when flowing through electric current in busbar ontology 1 is shielded well, and then reduces busbar
Cabinet body where ontology 1 generates induced current, so that reducing the fever generated by induced current in cabinet body, reduces rubber in cabinet body
The service life of insulation component.
As one embodiment of the present invention, the heat-shrink tube 11 is cased with elastic ring 15 close to one end of arc-extinguish chamber 8；Institute
It states and is equipped with cavity 16 in heat-shrink tube 11 of the elastic ring 15 far from 8 side of arc-extinguish chamber；The heat-shrink tube of 15 corresponding position of elastic ring
Adhesive sticker is coated between 11 and busbar ontology 1；When busbar ontology 1 due to the electric current flowed through adstante febre, busbar ontology 1 issue
Air in heat cavity 16, so that backlash breaks elastic ring 15 to cavity 16 to the air expansion in cavity 16 to a certain extent
Sealing function so that compressed air is sprayed from heat-shrink tube 11 close to one end of copper sheet 5, and then by the circle on copper sheet 5 and copper sheet 5
The dust that arc chamfering 7 deposits is blown away, and is reduced dust deposit and is excessively caused the electric current breakdown dust for flowing through busbar ontology 1 and air,
Cause security risk；The adhesive sticker that is coated with can be between the heat-shrink tube 11 and busbar ontology 1 of 15 corresponding position of elastic ring simultaneously
Increase the leakproofness of cavity 16, and then increase the speed that compressed air sprays in cavity 16, further increases dust on copper sheet 5
Elimination effect, after the hollow gas blowout of cavity 16 goes out, elastic ring 15 cooperates adhesive sticker to be sealed again to cavity 16, so that cavity
16 repeat to generate compressed gas, guarantee the cleannes of copper sheet 5.
In use, after busbar ontology 1 is powered, due to being equipped with copper sheet 5 close to 1 two sides of busbar ontology of electric power porcelain vase 2, so that
1 conductive cross-sectional area of busbar ontology near electric power porcelain vase 2 increases, and then the resistance for reducing busbar ontology 1 herein makes
Heating temperature is reduced when electric current flows through herein, is reduced busbar ontology 1 and is consumed the cost of copper product, while can also make close to electric power
Busbar ontology 1 near porcelain vase 2 heats up unobvious when being powered, and then reduce electric power porcelain vase 2 and 2 corresponding position busbar of electric power porcelain vase
The temperature difference of ontology 1, so that liquefaction, liquefaction are pre-chilled on electric power porcelain vase 2 again for the steam temperature near busbar ontology 1 after will not rising
Vapor mixing air in dust and electric power porcelain vase 2 on after the impurity that adheres to insulation performance reduce so that on busbar ontology 1
Electric current puncture electric power porcelain vase 2, it is easily initiation electric shock and other safety accidents that electric power porcelain vase 2 is of short duration, which to lose insulation performance, final to protect
Effective insulating effect of electric power porcelain vase 2 is demonstrate,proved, guarantees that 1 safety of busbar ontology works normally；Circular arc chamfering 7 can reduce 5 liang of copper sheet
The sharp convex stupefied and wedge angle at end, so that busbar ontology 1 is the tip for reducing 5 both ends of copper sheet in conveying high-pressure or extra-high current voltage
Electric discharge phenomena are further ensured that busbar ontology 1 has good insulation performance, to maintenance people after preventing point discharge from puncturing air
Member and power transmission and transforming equipment cause badly damaged, the service life of raising busbar ontology 1；Since busbar ontology 1 passes through fastening bolt
It is fixed with nut 4 and electric power porcelain vase 2, and nut 4 has the structure of six ribs, there are more corner angle and wedge angles, adopt at this time
And the arc length of point discharge can be reduced with the point discharge length for blocking nut 4 with 8 coordinated insulation grid 9 of arc-extinguish chamber, prevented
Only security risk bigger caused by arc through air of the nut 4 because being connected with the point discharge of high-voltage electricity generation；It is set in arc-extinguish chamber 8
There are separate cavities 10, in the heat transfer to electric power porcelain vase 2 for further reducing the sending of busbar ontology 1, to reduce electric power porcelain vase 2
On condensed water, while the perlite particle filled in separate cavities 10 have good heat insulation, further block busbar sheet
The temperature difference between body 1 and electric power porcelain vase 2, and then air shape is heated when the energization of busbar ontology 1 of reduction 2 corresponding position of electric power porcelain vase
At the temperature difference, the condensed water being further reduced on electric power porcelain vase 2, guarantee electric power porcelain vase 2 good insulation properties；It is isolated by metal
The ground connection of net 13 shields the magnetic field generated when flowing through electric current in busbar ontology 1 well, and then reduces 1 place of busbar ontology
Cabinet body generates induced current, so that reducing the fever generated by induced current in cabinet body, reduces rubber-covered component in cabinet body
Service life；When busbar ontology 1 due to the electric current flowed through adstante febre, busbar ontology 1 issue heat cavity 16 in air,
So that backlash breaks elastic ring 15 to the sealing function of cavity 16, so that compressed air to the air expansion in cavity 16 to a certain extent
It is sprayed from heat-shrink tube 11 close to one end of copper sheet 5, and then the dust that the circular arc chamfering 7 on copper sheet 5 and copper sheet 5 deposits is blown away,
It reduces dust deposit and excessively causes the electric current breakdown dust for flowing through busbar ontology 1 and air, cause security risk；Elastic ring simultaneously
The adhesive sticker being coated between the heat-shrink tube 11 and busbar ontology 1 of 15 corresponding positions can increase the leakproofness of cavity 16, in turn
Increase the speed that compressed air sprays in cavity 16, the elimination effect of dust on copper sheet 5 is further increased, when air in cavity 16
After ejection, elastic ring 15 cooperates adhesive sticker to be sealed again to cavity 16, so that cavity 16 repeats to generate compressed gas, guarantees
The cleannes of copper sheet 5.
Above-mentioned front, back, left, right, up, down is mark according to personage's observation visual angle on the basis of Fig. 1 in Figure of description
Standard, device surface are defined as a left side on the left of observer to before being defined as on one side of observer, and so on.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of power bus-bar, it is characterised in that: including busbar ontology (1)；Electric power porcelain vase is equipped in the middle part of the busbar ontology (1)
(2), electric power porcelain vase (2) is equipped with fixing screws (3) close to the one end of busbar ontology (1)；On the busbar ontology (1) with fixed spiral shell
It follows closely (3) and is equipped with fixation hole to position, fixing screws (3) cooperation fixation hole positions busbar ontology (1)；The fixed spiral shell
The nut (4) for fixing busbar ontology (1) is threaded on nail (3)；The busbar ontology (1) is close to fixing screws (3)
Two sides be equipped with copper sheet (5), copper sheet (5) is for reducing the resistance that busbar ontology (1) is located at electric power porcelain vase (2) corresponding position；Institute
The through-hole (6) of fixing screws (3) on copper sheet (5) is stated to cooperate with nut (4) afterwards.
2. a kind of power bus-bar according to claim 1, it is characterised in that: copper sheet (5) both ends are equipped with circular arc chamfering
(7), circular arc chamfering (7) is for reducing copper sheet (5) point discharge.
3. a kind of power bus-bar according to claim 2, it is characterised in that: be cased with arc-extinguish chamber in the middle part of the copper sheet (5)
(8), arc-extinguish chamber (8) inner wall is equipped with one group of insulation grid (9), and arc-extinguish chamber (8) coordinated insulation grid (9) is for reducing nut (4)
The point discharge at place.
4. a kind of power bus-bar according to claim 3, it is characterised in that: arc-extinguish chamber (8) side wall is equipped with separate cavities
(10), filled with for heat-insulated perlite particle in separate cavities (10).
5. a kind of power bus-bar according to claim 4, it is characterised in that: the external busbar ontology of the arc-extinguish chamber (8)
(1) it is cased with heat-shrink tube (11), is cased on heat-shrink tube (11) separation layer (12) on, metal isolation net is equipped in separation layer (12)
(13)；The metal isolation net (13) and arc-extinguish chamber (8) equal effective grounding；Side of the copper sheet (5) close to busbar ontology (1)
Equipped with knurled pattern (14), increase effective contact with busbar ontology (1).
6. a kind of power bus-bar according to claim 5, it is characterised in that: the heat-shrink tube (11) is close to arc-extinguish chamber (8)
One end be cased with elastic ring (15)；Cavity is equipped in the heat-shrink tube (11) of separate arc-extinguish chamber (8) side of the elastic ring (15)
(16)；Adhesive sticker is coated between the heat-shrink tube (11) and busbar ontology (1) of elastic ring (15) corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798837.8A CN110504559B (en) | 2019-08-28 | 2019-08-28 | Electric power busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798837.8A CN110504559B (en) | 2019-08-28 | 2019-08-28 | Electric power busbar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110504559A true CN110504559A (en) | 2019-11-26 |
| CN110504559B CN110504559B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910798837.8A Active CN110504559B (en) | 2019-08-28 | 2019-08-28 | Electric power busbar |
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| Country | Link |
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| CN (1) | CN110504559B (en) |
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| JPH09140010A (en) * | 1995-11-10 | 1997-05-27 | Fuji Electric Co Ltd | Bus support |
| JP2007060873A (en) * | 2005-08-26 | 2007-03-08 | Toshiba Corp | Dew condensation preventing device for enclosed switchboard |
| CN200976468Y (en) * | 2006-08-14 | 2007-11-14 | 河南森源电气股份有限公司 | Device for fixing bus to support insulator |
| CN101752803A (en) * | 2009-12-12 | 2010-06-23 | 天水长城开关厂有限公司 | Insulating sleeve for incoming lines and outgoing lines of high-voltage switch equipment |
| CN102801126A (en) * | 2012-08-06 | 2012-11-28 | 正泰电气股份有限公司 | Device capable of reducing heat productivity at lapping surface of buses |
| CN206180140U (en) * | 2016-09-23 | 2017-05-17 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Device for connecting anode reactor wiring board and generating line copper bar |
| CN108550445A (en) * | 2018-05-08 | 2018-09-18 | 河南森源电气股份有限公司 | A kind of electrification shows support insulator and switchgear |
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2019
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09140010A (en) * | 1995-11-10 | 1997-05-27 | Fuji Electric Co Ltd | Bus support |
| JP2007060873A (en) * | 2005-08-26 | 2007-03-08 | Toshiba Corp | Dew condensation preventing device for enclosed switchboard |
| CN200976468Y (en) * | 2006-08-14 | 2007-11-14 | 河南森源电气股份有限公司 | Device for fixing bus to support insulator |
| CN101752803A (en) * | 2009-12-12 | 2010-06-23 | 天水长城开关厂有限公司 | Insulating sleeve for incoming lines and outgoing lines of high-voltage switch equipment |
| CN102801126A (en) * | 2012-08-06 | 2012-11-28 | 正泰电气股份有限公司 | Device capable of reducing heat productivity at lapping surface of buses |
| CN206180140U (en) * | 2016-09-23 | 2017-05-17 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Device for connecting anode reactor wiring board and generating line copper bar |
| CN108550445A (en) * | 2018-05-08 | 2018-09-18 | 河南森源电气股份有限公司 | A kind of electrification shows support insulator and switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110504559B (en) | 2020-11-20 |
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Effective date of registration: 20240408 Address after: 528000, No. 21-3 Xinhui Road, Wusha Community, Daliang Street, Shunde District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Dexin Intelligent Technology Co.,Ltd. Country or region after: China Address before: 215000 355 pusha Road, puzhuang, Linhu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU QIHUA MACHINERY & ELECTRICAL EQUIPMENT Co.,Ltd. Country or region before: China |