CN115333024A - Bus duct connector capable of efficiently dissipating heat - Google Patents
Bus duct connector capable of efficiently dissipating heat Download PDFInfo
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- CN115333024A CN115333024A CN202210948152.9A CN202210948152A CN115333024A CN 115333024 A CN115333024 A CN 115333024A CN 202210948152 A CN202210948152 A CN 202210948152A CN 115333024 A CN115333024 A CN 115333024A
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- heat dissipation
- plate
- bus duct
- cold liquid
- insulating
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- 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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/08—Connection boxes therefor
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- 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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/066—Devices for maintaining distance between conductor and enclosure
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- 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
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- Installation Of Bus-Bars (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application discloses a bus duct connector capable of efficiently dissipating heat, which comprises a first heat dissipation plate, a second heat dissipation plate, a connecting plate, an elastic pressing plate, a torque bolt, a plurality of insulation plates, a plurality of conductive sheets and an elastic film, wherein two ends of each insulation plate are respectively provided with a sliding block; the side of the both sides of insulation board is equipped with a plurality of cold liquid grooves respectively, and the one side of cold liquid groove is sealed to the conducting strip, and the both ends of cold liquid groove are connected with louvre and feed liquor hole respectively, and louvre and feed liquor hole run through the slider respectively and communicate the spout, and the sealed spout of elastic film all fills insulating coolant liquid in cold liquid chamber, feed liquor hole and the cold liquid groove. This application has the effect that improves the heat dispersion of bus duct connector.
Description
Technical Field
The invention relates to the field of bus ducts, in particular to a bus duct connector capable of efficiently dissipating heat.
Background
The bus duct is used as a transmission facility of a high-current power supply line, and is widely applied to electrical equipment and power systems of civil buildings, factories and the like. The bus ducts are produced in sections and installed in a splicing mode on site, and proper bus duct connectors need to be arranged in the actual installation process to connect the bus ducts into a whole.
In the related art, the bus duct connector comprises a conducting strip, an insulating plate, a side plate, a connecting bolt and the like, insulating bolt fixing holes are formed in the insulating plate and the conducting bar, the insulating bolt penetrates through the protective plate, the insulating plate and the conducting bar respectively in the installation process, the insulating plate and the conducting bar are installed into a whole, and the heat dissipation performance of the bus duct connector is poor due to the structural limitation of the insulating plate.
With respect to the related art among the above, the applicant believes that the following drawbacks exist: the heat dispersion of bus duct connector is poor.
Disclosure of Invention
In order to improve the heat dispersion of bus duct connector, this application provides a bus duct connector of high-efficient radiating.
The application provides a high-efficient radiating bus duct connector adopts following technical scheme:
a bus duct connector capable of efficiently dissipating heat comprises a first heat dissipation plate, a second heat dissipation plate, a connection plate, an elastic pressing plate, a torque bolt, a plurality of insulation plates and a plurality of conducting strips, wherein the insulation plates are sequentially arranged at intervals, the conducting strips are fixedly arranged on the insulation plates respectively, one conducting strip is arranged on each of two sides of each insulation plate respectively, and sliding blocks are arranged at two ends of each insulation plate respectively; the opposite sides of the first heat dissipation plate and the second heat dissipation plate are respectively provided with a sliding groove, the sliding blocks are respectively connected with the sliding grooves in a sliding manner, a heat dissipation cavity is arranged in the first heat dissipation plate, a cold liquid cavity is arranged in the second heat dissipation plate, and the heat dissipation cavity and the cold liquid cavity are respectively communicated with the sliding grooves; the side surfaces of two sides of the insulating plate are respectively provided with a plurality of cold liquid tanks, the conducting strip seals one side of each cold liquid tank, two ends of each cold liquid tank are respectively connected with a heat dissipation hole and a liquid inlet hole, the heat dissipation holes and the liquid inlet holes respectively penetrate through the sliding block and are communicated with the sliding groove, elastic films are adopted between the sliding block and the sliding block, between the sliding block and the first heat dissipation plate and between the sliding block and the second heat dissipation plate for sealing, the sliding groove is sealed by the elastic films and the sliding block, and the cold liquid cavity, the liquid inlet holes and the cold liquid tanks are filled with insulating cooling liquid; the elastic pressing plate is arranged on one side of the insulating plate, one side of the elastic pressing plate is abutted to the insulating plate, the connecting plate is arranged on the back of the elastic pressing plate, one side of the insulating plate is connected with the two ends of the connecting plate respectively, the first heating panel and the second heating panel are fixedly connected with each other, a through hole is formed in the connecting plate, the two ends of the through hole are connected with the heat dissipation cavity and the cold liquid cavity respectively, the torque bolt is in threaded connection with the connecting plate, and one end of the torque bolt is abutted to the elastic pressing plate.
By adopting the technical scheme, when the temperature of the conducting strip is slowly raised, the insulating cooling liquid in the cold liquid tank absorbs the heat of the conducting strip and transfers the heat to the cooling liquid in the liquid inlet hole and the cold liquid cavity, and the heat is dissipated into the air through the second heat dissipation plate and the connecting plate, so that the temperature of the conducting strip and the insulating cooling liquid is kept stable; when the temperature of the conducting strip rises sharply, the rising temperature is transferred to the insulating cooling liquid in the liquid cooling tank, the temperature rises sharply after the insulating cooling liquid absorbs heat, and when the temperature of the insulating cooling liquid reaches a certain value, the insulating cooling liquid is gasified, and the temperature of the conducting strip is reduced by the heat absorbed by the gasification; the gasified gas phase of the insulating cooling liquid enters the cooling cavity through the heat dissipation holes, the gas phase of part of the insulating cooling liquid is condensed into a liquid phase by heat exchange with the first heat dissipation plate in the cooling cavity, and the temperature of the first heat dissipation plate is raised to dissipate heat into the air; the liquid phase of the condensed insulating cooling liquid flows into the through hole, the liquid level of the insulating cooling liquid in the through hole rises, and the liquid level of the insulating cooling liquid in the cold liquid tank is reduced after the insulating cooling liquid in the cold liquid tank is gasified, so that the liquid level difference between the cold liquid tank and the insulating cooling liquid in the through hole is increased, the insulating cooling liquid in the cold liquid cavity enters the cold liquid tank under the action of the liquid level difference, and the temperature of the insulating cooling liquid in the cold liquid cavity is lower than that of the insulating cooling liquid in the cold liquid tank, so that the temperature of the insulating cooling liquid in the cold liquid tank can be further reduced when the insulating cooling liquid in the cooling cavity enters the cold liquid tank, and the cooling speed of the conducting strip is increased; this application is through insulating coolant liquid with the heat that the conducting strip produced to locate first heating panel, second heating panel and the connecting plate department in the bus duct connector outside, give off again in the air to improve bus duct connector's heat dispersion, keep bus duct connector's temperature stabilization at reasonable within range.
Preferably, the first heat dissipation plate, the second heat dissipation plate and the connecting plate are made of aluminum alloy.
Through adopting above-mentioned technical scheme, the aluminum alloy has good heat conductivility, can be quick with the heat dissipation chamber with cold liquid intracavity give off to the air to reduce the temperature in heat dissipation chamber and the cold liquid intracavity.
Preferably, an injection opening is formed above the first heat dissipation plate and communicated with the heat dissipation cavity, and a sealing cover is installed in the injection opening.
Through adopting above-mentioned technical scheme, can be toward heat dissipation chamber, cold liquid groove and cold liquid intracavity injection insulating coolant liquid through the filling opening, the closing cap is sealed the filling opening, avoids insulating coolant liquid to spill from the filling opening.
Preferably, springs are respectively arranged between two adjacent sliding blocks in the horizontal direction, two ends of each spring are respectively and fixedly connected with the two adjacent sliding blocks, each spring is arranged outside the corresponding elastic film, when the elastic pressing plate does not apply acting force on the corresponding insulating plate, each spring is in a compression state, and the elastic film between the two adjacent insulating plates is in a stretching state.
By adopting the technical scheme, the spring can keep a certain distance between two adjacent insulating plates, the insertion of the electric conductor of the bus duct is convenient, the situation that the insertion of a conductor of the bus duct is influenced due to the fact that two adjacent insulating plates are attached together is avoided; meanwhile, the spring can enable the elastic film between two adjacent insulation plates to be in a stretching state, and the elastic film can be prevented from being folded to influence the electric conductor of the bus duct clamped by the conducting strip when the torsion bolt pushes the elastic pressing plate to tightly press the insulation plates.
Preferably, the edges of the front end and the rear end of the insulating plate are respectively provided with a plurality of vertically arranged raised lines which are arranged at intervals, and the front end and the rear end of the conducting strip are respectively abutted against the raised lines.
Through adopting above-mentioned technical scheme, the sand grip both can be spacing, can keep sufficient creepage distance again to ensure bus duct connector installation back-phase and with the safety guarantee of shell.
Preferably, a backflow hole is formed in one end, connected with the connecting plate, of the first heat dissipation plate, two ends of the backflow hole are communicated with the upper end of the through hole and the lower portion of the sliding groove respectively, and the backflow hole is lower than the upper ends of the heat dissipation holes.
Through adopting above-mentioned technical scheme, gaseous insulating coolant liquid is by the condensation at the heat dissipation chamber, because the temperature of the insulating coolant liquid of condensation is higher in the heat dissipation chamber, directly enter into the cold liquid groove and be unfavorable for the cooling to the conducting strip, the backward flow hole is less than the upper end of louvre and can avoid the insulating coolant liquid of condensation directly to flow into the cold liquid groove through the louvre, make the insulating coolant liquid after the condensation fall into in elastic film and the space that the spout encloses into, then enter into the through-hole through the backward flow hole again, mix with original insulating coolant liquid in the through-hole, and can continue to dispel the heat through connecting plate and second heating panel, thereby reduce the temperature of insulating coolant liquid.
Preferably, a plurality of positioning holes are formed in the conducting plate, a plurality of positioning pins matched with the positioning holes are formed in the insulating plate, and the positioning pins penetrate through the positioning holes.
Through adopting above-mentioned technical scheme, locating pin and locating hole cooperation for can the direct positioning after the conducting strip is installed on the insulation board, the conducting strip can not take place rotatory dislocation on the insulation board, thereby has avoided insulation board and conducting strip dislocation to lead to the condition emergence of contact failure.
Preferably, the upper end and the lower end of the elastic pressing plate are respectively connected with the sliding grooves in a sliding mode, and the elastic film seals spaces between the elastic pressing plate and the sliding block, between the elastic pressing plate and the first heat dissipation plate and between the elastic pressing plate and the second heat dissipation plate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the temperature of the conducting strip is slowly increased, the insulating cooling liquid in the cold liquid tank absorbs the heat of the conducting strip and transfers the heat to the cooling liquid in the liquid inlet hole and the cold liquid cavity, and the heat is dissipated to the air through the second heat dissipation plate and the connecting plate, so that the temperature of the conducting strip and the insulating cooling liquid is kept stable; when the temperature of the conducting strip rises sharply, the rising temperature is transferred to the insulating cooling liquid in the cold liquid tank, the temperature rises sharply after the insulating cooling liquid absorbs heat, and when the temperature of the insulating cooling liquid reaches a certain value, the insulating cooling liquid is gasified, and the temperature of the conducting strip is reduced by the heat absorbed by the gasification; the gasified gas phase of the insulating cooling liquid enters the cooling cavity through the heat dissipation holes, part of the gas phase of the insulating cooling liquid exchanges heat with the first heat dissipation plate in the cooling cavity to be condensed into a liquid phase, the temperature of the first heat dissipation plate rises, and heat is dissipated into the air; the liquid phase of the condensed insulating cooling liquid flows into the through hole, the liquid level of the insulating cooling liquid in the through hole rises, and the liquid level of the insulating cooling liquid in the cold liquid tank is reduced after the insulating cooling liquid in the cold liquid tank is gasified, so that the liquid level difference between the cold liquid tank and the insulating cooling liquid in the through hole is increased, the insulating cooling liquid in the cold liquid cavity enters the cold liquid tank under the action of the liquid level difference, and the temperature of the insulating cooling liquid in the cold liquid cavity is lower than that of the insulating cooling liquid in the cold liquid tank, so that the temperature of the insulating cooling liquid in the cold liquid tank can be further reduced when the insulating cooling liquid in the cooling cavity enters the cold liquid tank, and the cooling speed of the conducting strip is increased; according to the bus duct connector, heat generated by the conducting strips is brought to the first heat dissipation plate, the second heat dissipation plate and the connecting plate which are arranged on the outer side of the bus duct connector through the insulating cooling liquid and then dissipated to the air, so that the heat dissipation performance of the bus duct connector is improved, and the temperature of the bus duct connector is kept stable within a reasonable range;
2. the spring can keep a certain distance between two adjacent insulating plates, so that the insertion of the electric conductor of the bus duct is facilitated, and the situation that the insertion of the electric conductor of the bus duct is influenced due to the fact that two adjacent insulating plates are attached together is avoided; meanwhile, the spring can enable the elastic film between two adjacent insulation plates to be in a stretching state, and the elastic film can be prevented from being folded to influence the conductive body of the conductive sheet clamping bus duct when the torsion bolt pushes the elastic pressing plate to tightly press the insulation plates;
3. the gas-phase insulating cooling liquid is condensed in the heat dissipation cavity, the temperature of the insulating cooling liquid condensed in the heat dissipation cavity is high, the insulating cooling liquid directly enters the cold liquid tank and is not beneficial to cooling the conducting strip, the upper end of the backflow hole, which is lower than the heat dissipation holes, can prevent the condensed insulating cooling liquid from directly flowing into the cold liquid tank through the heat dissipation holes, so that the condensed insulating cooling liquid falls into a space surrounded by the elastic film and the sliding groove, then enters the through hole through the backflow hole, is mixed with the original insulating cooling liquid in the through hole, and can continue to dissipate heat through the connecting plate and the second heat dissipation plate, and the temperature of the insulating cooling liquid is reduced; meanwhile, the condensed insulating cooling liquid can be prevented from directly entering the cold liquid tanks of other insulating plates, so that the temperature of the insulating cooling liquid in the other cold liquid tanks is improved.
Drawings
Fig. 1 is a schematic structural diagram of a bus duct connector capable of dissipating heat efficiently according to an embodiment of the present application.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is an exploded view of a part of a bus duct connector for efficient heat dissipation according to an embodiment of the present application.
Fig. 4 is a schematic structural view of an insulating plate according to an embodiment of the present application.
Description of reference numerals:
1. a first heat dissipation plate; 2. a second heat dissipation plate; 3. an insulating plate; 4. a torque bolt; 5. an elastic pressure plate; 6. a connecting plate; 7. a conductive sheet; 8. a heat dissipation cavity; 9. a cold liquid chamber; 10. an elastic film; 11. a spring; 12. a through hole; 13. heat dissipation holes; 14. a liquid inlet hole; 15. positioning pins; 16. a slider; 17. a return orifice; 18. a cold liquid tank; 19. and (4) raised strips.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses bus duct connector with high-efficient heat dissipation.
Referring to fig. 1, 2 and 3, a high-efficient radiating bus duct connector includes a first heating panel 1, a second heating panel 2, two connecting plates 6, an elastic pressure plate 5, two moment bolts 4, polylith insulation board 3 and polylith conducting strip 7, polylith insulation board 3 sets up at interval in proper order, polylith conducting strip 7 fixed mounting is on polylith insulation board 3 respectively, conducting strip 7 is installed respectively to insulation board 3's both sides. Two equal vertical settings of connecting plate 6, first heating panel 1 and second heating panel 2 are all located between two connecting plates 6, the upper end of two connecting plates 6 of two fixed connection respectively at the both ends of first heating panel 1, the lower extreme of two connecting plates 6 of two fixed connection respectively at the both ends of second heating panel 2, the equal level setting of first heating panel 1 and second heating panel 2, first heating panel 1 and second heating panel 2 are symmetry from top to bottom, first heating panel 1, second heating panel 2 and two connecting plates 6 connect into a square frame. First heating panel 1 and the relative one side of second heating panel 2 are equipped with the spout respectively, the both ends of spout are sealed, the spout is towards the inside one side opening of square frame, the width of the tank bottom of spout is greater than the width of the notch of spout, the both ends of insulation board 3 and elastic pressure plate 5 are equipped with the slider 16 that matches the spout respectively, 16 sliding connection spouts of slider, slider 16 can slide along the spout, thereby it removes to drive insulation board 3, make the interval of two adjacent insulation boards 3 diminish, conducting strip 7 presss from both sides the electric conductor of tight bus duct. Elastic pressing plate 5 is squarely, and elastic pressing plate 5's middle part hunches, and elastic pressing plate 5 locates one side of polylith insulation board 3 and locates between insulation board 3 and one of them connecting plate 6, one side butt insulation board 3 of elastic pressing plate 5, and moment bolt 4 is parallel with the spout, and moment bolt 4 threaded connection connecting plate 6, the one end butt elastic pressing plate 5 of moment bolt 4. The edge of the front end of insulation board 3 and rear end is equipped with many vertical sand grips 19 of setting respectively, and many sand grips 19 interval sets up, and the front end of conducting strip 7 and rear end butt sand grip 19 respectively, and sand grip 19 both can be spacing, can keep sufficient creepage distance again to ensure bus duct connector installation back phase and with the safety guarantee of shell.
Bus duct connector among the correlation technique adopts connecting bolt to run through the middle part of each conducting strip 7 and each insulation board 3, establish an insulating cover at every conducting strip 7 and connecting bolt's junction cover, insulating cover separates conducting strip 7 and connecting bolt, avoid conducting strip 7 and connecting bolt contact, insulating cover can be with the electric conductor of connecting bolt and bus duct simultaneously, after conducting strip 7 and the conductor connection of bus duct, make insulating board 3 and the electric conductor of conducting strip 7 clamp tightly bus duct through nut and connecting bolt cooperation, thereby accomplish the connection of bus duct connector and bus duct. But when swivel nut and connecting bolt pressed from both sides the electric conductor of bus duct tightly, each insulating cover docks in proper order for the middle part of each insulation board 3 and conducting strip 7 can not continue to tighten up each other, leads to conducting strip 7 to reduce the clamp force of the electric conductor of bus duct, leads to the conducting strip 7 of bus duct connector and the electric conductor contact failure of bus duct easily. 16 sliding connection spouts are passed through at the both ends of insulation board 3 in this embodiment, need not the middle part trompil at insulation board 3 and conducting strip 7, also need not to adopt the bolt to run through polylith insulation board 3 and conducting strip 7, need not to use insulating cover to separate conducting strip 7 and bolt between two adjacent conducting strips 7 promptly, only conducting strip 7 and bus duct's electric conductor between two adjacent insulation boards 3, so insulation board 3 slides and to make two conducting strips 7 hug closely the electric conductor of bus duct, the electric conductor contact of conducting strip 7 and bus duct is firm, thereby avoided insulating cover to obstruct the condition emergence that each insulation board 3 tightens up each other, the conducting strip 7 of reduction bus duct connector and the electric conductor bad contact's condition of bus duct.
Referring to fig. 2 and 4, the first heat dissipation plate 1, the second heat dissipation plate 2, and the connection plate 6 are made of aluminum alloy. Be equipped with heat dissipation chamber 8 in the first heating panel 1, be equipped with cold liquid chamber 9 in the second heating panel 2, heat dissipation chamber 8 and cold liquid chamber 9 communicate the spout respectively. The side of the both sides of insulation board 3 is equipped with the cold liquid groove 18 that a plurality of intervals set up respectively, cold liquid groove 18 is towards the outer one side opening of insulation board 3, the vertical setting of cold liquid groove 18, the length of cold liquid groove 18 is less than the height of conducting strip 7, the opening of the sealed cold liquid groove 18 of conducting strip 7, the upper end of cold liquid groove 18 is connected with louvre 13, the lower extreme of cold liquid groove 18 is connected with feed liquor hole 14, wear out from the upper end of the slider 16 of top after louvre 13 of cold liquid groove 18 on the same insulation board 3 communicates each other, wear out from the lower extreme of slider 16 of below after feed liquor hole 14 of cold liquid groove 18 on the same insulation board 3 communicates each other, make louvre 13 and feed liquor hole 14 intercommunication spout. The sliding blocks 16 and the sliding blocks 16, the sliding blocks 16 and the first heat dissipation plate 1 and the sliding blocks 16 and the second heat dissipation plate 2 are sealed by elastic films 10, the elastic films 10 are made of rubber, two elastic films 10 are arranged, and the two elastic films 10 respectively seal the two sliding grooves. The cold liquid cavity 9, the liquid inlet hole 14 and the cold liquid groove 18 are filled with insulating cooling liquid, the lower part of the through hole 12 and the lower part of the heat dissipation hole 13 are also provided with insulating cooling liquid, and the insulating cooling liquid in the embodiment adopts absolute ethyl alcohol which is insulating and non-conductive and is easy to gasify and condense. Be equipped with through-hole 12 in the connecting plate 6, the one end that first heating panel 1 is close to moment bolt 4 is equipped with backward flow hole 17, and backward flow hole 17 is less than the upper end of louvre 13, and the one end of backward flow hole 17 communicates the upper end of through-hole 12, and the other end of backward flow hole 17 communicates the lower part of the spout of top, and the lower extreme of through-hole 12 communicates cold liquid chamber 9 or the spout of below.
Referring to fig. 3, a plurality of connecting holes are formed in the elastic film 10, the number of the connecting holes is equal to the sum of the number of the insulating plates 3 and the number of the elastic pressing plates 5, each sliding block 16 corresponds to one connecting hole, the sliding block 16 penetrates through the connecting holes, the connecting holes are sleeved outside the sliding block 16, the side walls of the connecting holes are fixedly adhered to the outer wall of the sliding block 16 through adhesive glue and are in sealing connection with the sliding block 16, the edge of the elastic film 10 surrounds the periphery of the sliding groove and is fixedly connected with the sliding groove through the adhesive glue, and the periphery of the sliding groove is sealed. The elastic film 10 and the slider 16 close the opening of the chute to prevent leakage of the insulating coolant. Be equipped with spring 11 between two adjacent sliders 16 on the horizontal direction respectively, two adjacent sliders 16 of fixed connection are distinguished at the both ends of spring 11, outside spring 11 located elastic film 10, spring 11 can keep two adjacent insulation boards 3 to have certain distance, the electric conductor's of bus duct of being convenient for insertion, when elastic pressing plate 5 did not exert the effort to insulation board 3, spring 11 was in compression state, elastic film 10 between two adjacent insulation boards 3 was in tensile state.
An injection port is arranged above the first heat dissipation plate 1 and staggered with the heat dissipation holes 13, the injection port is communicated with the heat dissipation cavity 8, and a sealing cover is arranged in the injection port and connected with the injection port through threads to seal the injection port. Insulating cooling liquid is injected through the injection port, the space between the elastic film 10 and the backflow hole 17 above is filled with the insulating cooling liquid injected firstly, the insulating cooling liquid injected subsequently enters the through hole 12, the cold liquid cavity 9, the liquid inlet hole 14 and the cold liquid groove 18 through the backflow hole 17, the insulating cooling liquid can be injected into the heat dissipation cavity 8, the cold liquid groove 18 and the cold liquid cavity 9, the injection port is sealed by the sealing cover, and the insulating cooling liquid is prevented from leaking from the injection port.
Be equipped with a plurality of locating holes on the conducting strip 7, be equipped with a plurality of locating pins 15 that match with the locating hole on the insulation board 3, locating pin 15 passes the locating hole, locating pin 15 and locating hole cooperation for can direct positioning after conducting strip 7 installs on insulation board 3, rotatory dislocation can not take place for conducting strip 7 on insulation board 3, thereby avoided insulation board 3 and conducting strip 7 dislocation to lead to the condition emergence of contact failure.
In another embodiment, two sides of the middle insulating plates 3 are respectively provided with a conducting strip 7, one side of the two outermost insulating plates 3 facing to the inner side is provided with a conducting strip 7, and the side facing to the outer side is a smooth plane and is not provided with a conducting strip 7.
The implementation principle of the bus duct connector with high-efficiency heat dissipation is as follows: when the temperature of the conducting strip 7 rises slowly, the insulating cooling liquid in the cold liquid tank 18 absorbs the heat of the conducting strip 7 and transfers the heat to the cooling liquid in the liquid inlet hole 14 and the cold liquid cavity 9, and the heat is dissipated to the air through the second heat dissipation plate 2 and the connecting plate 6, so that the temperature of the conducting strip 7 and the insulating cooling liquid is kept stable. When the temperature of the conducting strip 7 rises sharply, the rising temperature is transferred to the insulating cooling liquid in the cold liquid tank 18, the temperature rises sharply after the insulating cooling liquid absorbs heat, and when the temperature of the insulating cooling liquid reaches a certain value, the insulating cooling liquid is gasified, and the temperature of the conducting strip 7 is reduced by the heat absorbed by the gasification. And the gaseous phase of the insulating cooling liquid after gasification enters the cooling cavity through the heat dissipation holes 13, the gaseous phase of part of the insulating cooling liquid exchanges heat with the first heat dissipation plate 1 in the cooling cavity to be condensed into a liquid phase, the temperature of the first heat dissipation plate 1 rises, and heat is dissipated into the air. The liquid phase of the condensed insulating cooling liquid flows into the through hole 12, the liquid level of the insulating cooling liquid in the through hole 12 rises, and the liquid level of the insulating cooling liquid in the cold liquid tank 18 is reduced after the insulating cooling liquid is gasified, so that the liquid level difference between the cold liquid tank 18 and the insulating cooling liquid in the through hole 12 is increased, the insulating cooling liquid in the cold liquid cavity 9 enters the cold liquid tank 18 under the action of the liquid level difference, and the temperature of the insulating cooling liquid in the cold liquid cavity 9 is lower than that of the insulating cooling liquid in the cold liquid tank 18, so that the temperature of the insulating cooling liquid in the cold liquid tank 18 can be further reduced when the insulating cooling liquid in the cooling cavity enters the cold liquid tank 18, and the cooling speed of the conducting strip 7 is increased. This application takes the heat that conducting strip 7 produced to locate first heating panel 1, second heating panel 2 and connecting plate 6 department in the bus duct connector outside through insulating coolant liquid, gives off the air again to improve bus duct connector's heat dispersion, keep bus duct connector's temperature stabilization at reasonable within range. The first heating panel 1 and the second heating panel 2 of this application embodiment adopt the aluminum alloy that has good heat conductivility to make, can improve the radiating efficiency. The cold liquid tanks 18 of the insulating plates 3 in the embodiment of the present application are separated from each other, and the cold liquid tanks 18 of the same insulating plate 3 are also separated from each other, so that when the temperatures of two opposite conductive sheets 7 rise, the temperatures of the insulating and cooling liquids in the corresponding cold liquid tanks 18 rise, the insulating and cooling liquids in other cold liquid tanks 18 and other conductive sheets 7 are not affected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a high-efficient radiating bus duct connector which characterized in that: the heat dissipation plate comprises a first heat dissipation plate (1), a second heat dissipation plate (2), a connecting plate (6), an elastic pressing plate (5), a torque bolt (4), a plurality of insulation plates (3) and a plurality of conducting strips (7), wherein the insulation plates (3) are sequentially arranged at intervals, the conducting strips (7) are respectively fixedly arranged on the insulation plates (3), one conducting strip (7) is respectively arranged on two sides of each insulation plate (3), and sliding blocks (16) are respectively arranged at two ends of each insulation plate (3); the opposite sides of the first heat dissipation plate (1) and the second heat dissipation plate (2) are respectively provided with a sliding groove, the sliding blocks (16) are respectively connected with the sliding grooves in a sliding manner, a heat dissipation cavity (8) is arranged in the first heat dissipation plate (1), a cold liquid cavity (9) is arranged in the second heat dissipation plate (2), and the heat dissipation cavity (8) and the cold liquid cavity (9) are respectively communicated with the sliding grooves; the side surfaces of two sides of the insulating plate (3) are respectively provided with a plurality of cold liquid tanks (18), the conducting strip (7) seals one side of each cold liquid tank (18), two ends of each cold liquid tank (18) are respectively connected with a heat dissipation hole (13) and a liquid inlet hole (14), the heat dissipation holes (13) and the liquid inlet holes (14) respectively penetrate through the sliding blocks (16) and are communicated with the sliding grooves, elastic films (10) are adopted for sealing between the sliding blocks (16) and the sliding blocks (16), between the sliding blocks (16) and the first heat dissipation plate (1) and between the sliding blocks (16) and the second heat dissipation plate (2), the sliding grooves are sealed together by the elastic films (10) and the sliding blocks (16), and the cold liquid cavities (9), the liquid inlet holes (14) and the cold liquid tanks (18) are filled with insulating cooling liquid; the polylith is located in elastic pressing plate (5) one side of insulation board (3), one side butt of elastic pressing plate (5) insulation board (3), connecting plate (6) are located elastic pressing plate (5) dorsad one side of insulation board (3), the both ends of connecting plate (6) are fixed connection respectively first heating panel (1) and second heating panel (2), be equipped with through-hole (12) in connecting plate (6), the both ends of through-hole (12) are connected respectively heat dissipation chamber (8) and cold liquid chamber (9), torque bolt (4) threaded connection connecting plate (6), the one end butt of torque bolt (4) elastic pressing plate (5).
2. An efficient heat dissipating bus duct connector as set forth in claim 1, wherein: the first heat dissipation plate (1), the second heat dissipation plate (2) and the connecting plate (6) are all made of aluminum alloy.
3. An efficient heat dissipating bus duct connector as set forth in claim 1, wherein: an injection opening is formed in the upper portion of the first heat dissipation plate (1), the injection opening is communicated with the heat dissipation cavity (8), and a sealing cover is installed in the injection opening.
4. A bus duct connector with efficient heat dissipation as defined in claim 1, wherein: springs (11) are respectively arranged between two adjacent sliding blocks (16) in the horizontal direction, two ends of each spring (11) are respectively fixedly connected with the two adjacent sliding blocks (16), and the springs (11) are arranged outside the elastic film (10).
5. An efficient heat dissipating bus duct connector as set forth in claim 1, wherein: the edge of the front end and the edge of the rear end of the insulating plate (3) are respectively provided with a plurality of vertical raised strips (19) which are arranged at intervals, and the front end and the rear end of the conducting strip (7) are respectively abutted against the raised strips (19).
6. An efficient heat dissipating bus duct connector as set forth in claim 1, wherein: the first heat dissipation plate (1) is connected one end of the connecting plate (6) and is provided with a backflow hole (17), and two ends of the backflow hole (17) are respectively communicated with the upper end of the through hole (12) and the lower portion of the sliding groove.
7. An efficient heat dissipating bus duct connector as set forth in claim 1, wherein: the conductive plate (7) is provided with a plurality of positioning holes, the insulating plate (3) is provided with a plurality of positioning pins (15) matched with the positioning holes, and the positioning pins (15) penetrate through the positioning holes.
8. An efficient heat dissipating bus duct connector as set forth in claim 1, wherein: the upper end and the lower end of the elastic pressing plate (5) are respectively connected with the sliding grooves in a sliding mode, and the elastic film (10) seals spaces between the elastic pressing plate (5) and the sliding block (16), between the elastic pressing plate (5) and the first heat dissipation plate (1) and between the elastic pressing plate (5) and the second heat dissipation plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210948152.9A CN115333024B (en) | 2022-08-09 | 2022-08-09 | Bus duct connector capable of efficiently dissipating heat |
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| CN115333024B CN115333024B (en) | 2023-03-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7819681B1 (en) * | 2009-06-19 | 2010-10-26 | Rodrigues Carlton R | Thermally efficient busway joint pack |
| US20140141636A1 (en) * | 2012-11-20 | 2014-05-22 | Schneider Electric USA, Inc. | Busway joint pack with heat sink insert |
| CN207124436U (en) * | 2017-05-17 | 2018-03-20 | 艾博母线有限公司 | A kind of bus-duct connector |
| CN110416948A (en) * | 2019-08-23 | 2019-11-05 | 上海精成电器成套有限公司 | A kind of structure of the bus duct joint connection component with heat sinking function |
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- 2022-08-09 CN CN202210948152.9A patent/CN115333024B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7819681B1 (en) * | 2009-06-19 | 2010-10-26 | Rodrigues Carlton R | Thermally efficient busway joint pack |
| US20140141636A1 (en) * | 2012-11-20 | 2014-05-22 | Schneider Electric USA, Inc. | Busway joint pack with heat sink insert |
| CN207124436U (en) * | 2017-05-17 | 2018-03-20 | 艾博母线有限公司 | A kind of bus-duct connector |
| CN110416948A (en) * | 2019-08-23 | 2019-11-05 | 上海精成电器成套有限公司 | A kind of structure of the bus duct joint connection component with heat sinking function |
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| CN115333024B (en) | 2023-03-10 |
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