CN113629628A - Air insulation bus duct - Google Patents
Air insulation bus duct Download PDFInfo
- Publication number
- CN113629628A CN113629628A CN202110928058.2A CN202110928058A CN113629628A CN 113629628 A CN113629628 A CN 113629628A CN 202110928058 A CN202110928058 A CN 202110928058A CN 113629628 A CN113629628 A CN 113629628A
- Authority
- CN
- China
- Prior art keywords
- groove
- air
- slot
- female
- bus duct
- 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
Images
Classifications
-
- 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
-
- 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
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The invention belongs to the technical field of power equipment, in particular to an air-insulated bus duct, aiming at the problem that the conduction is easy to generate due to the fact that no blocking exists between copper bars in the prior art, the air-insulated bus duct comprises a female slot with an upward opening and a groove-shaped structure, L-shaped fixing plates are fixed on two sides of the female slot close to the top end, a slot cover is clamped at the top end of the female slot, sliding grooves are formed in the top ends of two side plates of the female slot, protruding edges which penetrate through the front and the back and are matched with the longitudinal depth of the sliding grooves are reserved on the lower surface of the slot cover, a middle rib which is longitudinally distributed in a through mode is fixed in the middle of the slot bottom of the female slot, and side partition plates which are parallel to each other are respectively fixed on two sides of the middle rib of the slot bottom of the female slot. When the copper bar is normally electrified, the insulation stop block is arranged between two adjacent copper bars at a certain distance, so that the two copper bars are prevented from being contacted together, a certain heat dissipation space can be ensured in the copper bar, and the heat dissipation effect is improved.
Description
Technical Field
The invention relates to the technical field of bus ducts, in particular to an air insulation bus duct.
Background
Modern high-rise buildings and large workshops need huge electric energy, and safe and reliable conduction equipment needs to be selected in the face of the huge load needing hundreds of thousands of amperes of strong current, so that a bus system is a good choice. The bus duct is a power distribution device for efficiently transmitting current, and particularly meets the requirements of economic and reasonable wiring of higher and higher buildings and large-scale factories. The bus duct can be divided into an air type plug-in bus duct, a dense insulation plug-in bus duct and a high-strength plug-in bus duct according to an insulation mode.
The air insulation bus duct comprises a bus support, a cover plate and side plates, wherein the two ends of each side plate are fixed with the cover plate through fixing bolts, a bus is installed inside the cover plate through the bus support, an insulation connecting port is arranged at the end of the bus, a bus connecting hole is formed in the insulation connecting port, the support side plate is arranged on the outer side of the bus support, however, the space between two adjacent copper bars in the bus duct is too empty, the copper bars are easily bent to generate contact in the stress release process of the bus duct, and therefore a novel insulation bus duct which can meet the requirement of the same space and insulation performance is needed.
Disclosure of Invention
The invention provides an air insulation bus duct, aiming at solving the problem that in the prior art, no barrier exists between copper bars, so that the conduction is easy to generate due to damp.
In order to achieve the purpose, the invention adopts the following technical scheme: an air insulation bus duct comprises a female slot with an upward opening in a slot structure, wherein L-shaped fixing plates are fixed on two sides of the female slot close to the top end, a slot cover is clamped on the top end of the female slot, sliding slots are formed in the top ends of two side plates of the female slot, convex edges matched with the depth of the sliding slots are reserved on the lower surface of the slot cover before and after the groove is communicated, a middle rib distributed longitudinally and integrally is fixed in the middle of the bottom of the female slot, side partition plates parallel to each other are fixed on two sides of the middle rib of the bottom of the female slot respectively, threaded holes distributed in a staggered mode are formed in the middle rib and the upper surfaces of the two side partition plates respectively, and insulating stop blocks are arranged at the top ends of the threaded holes, so that when the air insulation bus duct is used, when a copper bar is normally powered on, the two adjacent copper bars can be arranged at a certain interval distance, one copper bar is prevented from being contacted with each other, and a certain heat dissipation space can be ensured inside the air insulation bus duct, the heat dissipation effect is improved.
According to the preferable scheme of the invention, the top end of the groove width of the sliding groove is provided with the flaring, and the groove width at the bottom position of the sliding groove is smaller than the thickness of the convex edge, so that the sealing effect of the whole device can be increased and the clamping degree of the groove cover can be increased when the device is used.
According to the preferable scheme, a protrusion is reserved on one side, close to the female groove, of the top end of the vertical plate of the L-shaped fixing plate, an anti-falling-off joint matched with the protrusion is reserved on the edge of the bottom of the outer edge of the groove cover, the distance between the opposite sides of the two anti-falling-off joints is larger than the distance between the two protrusions, the groove cover is made of a hard alloy material with certain toughness, and therefore the two side edges of the groove cover can be tightly buckled on the L-shaped fixing plate at the top end of the female groove after the groove cover is covered.
As a preferable scheme in the invention, the positioning support blocks are fixed at equal intervals at the bottom of the mother groove, the arc-shaped grooves are formed in the upper surfaces of the positioning support blocks, the longitudinally-distributed gaps are formed in the bottoms of the arc-shaped grooves, and the raised lines matched with the gaps are reserved on the lower surfaces of the copper bars, so that the copper bars can be arranged at the bottom of the mother groove in order when the copper bars are installed at the beginning.
According to the preferable scheme, the two opposite sides of the insulation stop block are respectively provided with the vertical grooves which are distributed at equal intervals, so that when the side face of the copper bar is attached to the surface of the insulation stop block in use, the situation that heat on the surface of the copper bar cannot be dissipated due to the fact that the side face of the copper bar is too tight in attachment is avoided.
According to the preferable scheme of the invention, the middle part of the bottom end of the insulation stop block is fixed with the convex block, the outer wall of the circumference of the convex block is sleeved with two to three clamping rings, the diameter of the convex block is smaller than or equal to the inner diameter of the threaded hole, the insulation stop block can be tightly inserted into the threaded hole under the action of the clamping ring made of soft materials, and the matching degree of the outer wall of the convex block and the threaded hole is increased.
As a preferable scheme in the invention, a spring sinking groove is formed at the top end of the insulation stop block, a limit top block is connected in a sliding groove of the spring sinking groove in a sliding manner, and a compression spring is fixed between the lower surface of the limit top block and the bottom of the spring sinking groove, so that the top end of the insulation baffle plate can be tightly abutted against the inner wall of the top of the groove cover when the insulation stop block is used, and the insulation stop block is ensured not to easily shake in the female groove.
As a preferable scheme in the invention, a limit groove is formed in the top inner wall of the groove cover and is positioned right above the limit top block, and the groove width of the limit groove is equal to the diameter of the limit top block.
As a preferable scheme in the invention, an air pipe is fixed at the top end of the groove cover, an air inlet communicated with an inner cavity of the female groove is formed in the lower surface of the air pipe, an air shield in an arc-shaped tubular structure is fixed on the inner wall of the bottom of the air pipe above the air inlet, the opening of the air shield faces the direction of coming air flow, and inclined air holes are formed in the bottom of the female groove, so that when the air-cooling copper bar is used, when the heat inside the air-cooling copper bar is not enough to automatically dissipate heat, a fan is started to ventilate the air pipe, and then cooling air can be guided into the female groove to dissipate the heat of the surface of the copper bar.
To sum up, the beneficial effect in this scheme is:
1. according to the air insulation bus duct, the three parallel middle ribs and the side partition plates are arranged at the bottom of the bus duct, and the insulation baffle plates are fixed at the top ends of the middle ribs and the side partition plates in a staggered manner, so that when the copper bars are normally powered on in use, insulation stop blocks can be arranged between two adjacent copper bars at a certain interval distance, one can prevent the two copper bars from being contacted together, and the other can ensure that a certain heat dissipation space is formed inside the bus duct, so that the heat dissipation effect is improved;
2. according to the air insulation bus duct, the vertical grooves formed in the surfaces of the two sides of the insulation stop block can be used for preventing heat on the surface of the copper bar from being incapable of being dissipated due to too tight adhesion when the side face of the copper bar is adhered to the surface of the insulation stop block;
3. According to the air insulation bus duct, the limit top block and the compression spring which are inserted in the spring sinking groove are arranged, so that the top end of the insulation baffle can be tightly abutted against the inner wall of the top of the groove cover when the air insulation bus duct is used, and the insulation baffle block is ensured not to easily shake in the female groove;
4. this kind of air insulation bus duct, through setting up at the cell-cap top with the inside tuber pipe of recalling of female inslot portion, can be when inside heat is not enough automatic radiating when using, open the fan and to ventilate in the tuber pipe and can be with the leading-in female groove of cooling air to dispel the heat to the surface of copper bar.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an air-insulated bus duct provided in the present invention;
fig. 2 is a schematic perspective view of an air-insulated bus duct according to the present invention;
fig. 3 is a schematic view of an assembly structure of an insulation block section of an air-insulated bus duct according to the present invention;
fig. 4 is a schematic structural diagram of an air-insulated bus duct insulation block provided by the invention;
fig. 5 is a schematic cross-sectional structural diagram of an air-insulated bus duct provided in the second embodiment of the present invention.
In the figure: 1 female groove, 2 location support blocks, 3 air holes, 4 threaded holes, 5 copper bars, 6 arc-shaped grooves, 7 gaps, 8 side partition plates, 9 convex strips, 10 grooves, 11 insulation stop blocks, 12 spring sinking grooves, 13 limiting top blocks, 14 sliding grooves, 15 groove covers, 16 protrusions, 17 anti-release joints, 18L-shaped fixing plates, 19 convex blocks, 20 snap rings, 21 compression springs, 22 round corners, 23 air inlet holes, 24 air pipes, 25 wind shields and 26 middle ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, an air-insulated bus duct comprises a female slot 1 with an upward opening and a groove-shaped structure, wherein L-shaped fixing plates 18 are fixed on two sides of the female slot 1 close to the top end, a slot cover 15 is clamped on the top end of the female slot 1, sliding slots 14 are respectively formed on the top ends of two side plates of the female slot 1, convex ribs which are matched with the depth of the sliding slots 14 are reserved on the lower surface of the slot cover 15 in a penetrating manner, middle ribs 26 which are longitudinally distributed are fixed in the middle of the slot bottom of the female slot 1, parallel side partition plates 8 are respectively fixed on two sides of the middle rib 26 at the slot bottom of the female slot 1, threaded holes 4 which are distributed in a staggered manner are respectively formed in the upper surfaces of the middle rib 26 and the two side partition plates 8, and insulating stop blocks 11 are respectively arranged on the top ends of the threaded holes 4, so that when the copper bars 5 are normally powered on in use, the insulating stop blocks 11 are arranged at a certain interval between two adjacent copper bars 5, firstly, avoid two copper bars 5 contacts together, secondly can ensure that inside has certain heat dissipation space, improves the radiating effect.
In the invention, the top end of the groove width of the sliding groove 14 is provided with a flared opening, and the groove width at the bottom position of the sliding groove 14 is smaller than the thickness of the convex edge, so that the sealing effect of the whole device can be increased when the device is used, and the clamping degree of the groove cover 15 is increased.
Wherein, the vertical board top of L shape fixed plate 18 is close to one side of female groove 1 and is reserved there is arch 16, and the outward flange bottom edge of capping 16 is reserved there is the anticreep joint 17 with arch 16 looks adaptation, the distance between the relative one side of two anticreep joint 17 is greater than the distance between two arch 16, capping 16 is made for the carbide material that has certain toughness performance, thereby can cover back both sides edge can be tight detain on the L shape fixed plate 18 on female groove 1 top.
Wherein, the tank bottom of female groove 1 is fixed with the location tray 2 that the equidistance distributes, and the upper surface of location tray 2 has all opened arc wall 6, and the tank bottom of arc wall 6 has all opened the gap 7 that has longitudinal distribution, and the lower surface of copper bar 5 all reserves sand grip 9 with gap looks adaptation to can be at the tank bottom department of female groove 1 with its neat arranging when beginning installation copper bar 5.
Wherein, the both sides that insulating dog 11 carried on the back mutually all open the slot 10 that has vertical equidistance to distribute to can avoid too closely leading to the heat on copper bar 5 surface to dispel because of pasting when the side of copper bar 5 pastes on insulating dog 11's surface when using.
Wherein, the bottom middle part of insulating dog 11 all is fixed with lug 19, and the circumference outer wall of lug 19 cup joints two to three snap ring 20, and the diameter less than or equal to screw hole 4's internal diameter of lug 19, and the effect of the snap ring 20 that the cooperation soft material was made can be with insulating dog 11 tight grafting in screw hole 4, the cooperation degree of the outer wall of the lug 19 that increases and screw hole 4.
Wherein, open the top of insulating dog 11 has spring heavy groove 12, and sliding connection has spacing kicking block 13 in the spout of spring heavy groove 12, and is fixed with compression spring 21 between the lower surface of spacing kicking block 13 and the tank bottom of spring heavy groove 12 to can be using tightly supporting the top of insulating baffle 11 on the top inner wall of capping 15, ensure that insulating dog 11 can not rock easily in the inside of mother's groove 1.
Wherein, the top inner wall of the slot cover 15 is provided with a limit slot right above the limit top block 13, and the slot width of the limit slot is equal to the diameter of the limit top block 13.
Wherein, the top of capping 15 is fixed with the tuber pipe 24, and the lower surface of tuber pipe 24 opens has the inlet port 23 with female 1 inner chamber intercommunication, and the bottom inner wall of tuber pipe 24 is located the top of inlet port 23 and is fixed with the windshield 25 that is arc tubular structure, the opening of windshield 25 is towards the direction that the air current came, the tank bottom of female groove 1 is opened has the bleeder vent 3 of slope, thereby can be when the inside heat is not enough automatic heat dissipation when using, open the fan and ventilate in the tuber pipe 24 and can be with the leading-in female groove 1 of cooling air, in order to dispel the heat to the surface of copper bar 5.
The working principle is as follows: before use, the copper bars 5 with the convex strips 9 at the bottoms are arranged at the groove bottoms of the female grooves 1 in an orderly manner, the convex strips 9 are inserted into the gaps 7 at the groove bottoms of the arc-shaped grooves 6, then the insulating stop blocks 11 are inserted into the threaded holes 4 in an intermittent and staggered manner, isolation and blocking are completed, when the copper bars 5 are normally powered on, the insulating stop blocks 11 are arranged between every two adjacent copper bars 5 at a certain interval distance, one time, the two copper bars 5 are prevented from being contacted together, then, a certain heat dissipation space can be ensured inside, and the heat dissipation effect is improved;
if the heat dissipation effect is not enough, the fan is started to ventilate the air pipe 24, and then cooling air can be guided into the female slot 1, so that the surface of the copper bar 5 is cooled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. An air insulation bus duct comprises a bus duct (1) with an upward opening and a groove-shaped structure, l-shaped fixing plates (18) are fixed on both sides of the female groove (1) close to the top end, and the top end of the female slot (1) is clamped with a slot cover (15), the top ends of two side plates of the female slot (1) are both provided with a sliding slot (14), and the lower surface of the groove cover (15) is reserved with a convex edge which penetrates through the front and the back and is matched with the depth of the sliding groove (14), it is characterized in that the middle part of the bottom of the female groove (1) is fixed with a middle rib (26) which is longitudinally distributed in a whole body, and the groove bottom of the female groove (1) is positioned at the two sides of the middle rib (26) and is respectively fixed with the side partition plates (8) which are parallel to each other, threaded holes (4) which are distributed in a staggered mode are formed in the upper surfaces of the middle rib (26) and the two side partition plates (8) respectively, and insulating stop blocks (11) are arranged at the top ends of the threaded holes (4).
2. An air-insulated bus duct according to claim 1, characterized in that the top end of the groove width of the sliding groove (14) is provided with a flaring, and the groove width of the groove bottom position of the sliding groove (14) is smaller than the thickness of the convex rib, so that the sealing effect of the whole device can be increased and the clamping degree of the groove cover 15 can be increased when in use.
3. An air-insulated bus duct according to claim 2, characterized in that a protrusion (16) is reserved on one side of the top end of the vertical plate of the L-shaped fixing plate (18) close to the female duct (1), an anti-release joint (17) matched with the protrusion (16) is reserved at the bottom edge of the outer edge of the duct cover (16), the distance between the opposite sides of the two anti-release joints (17) is greater than the distance between the two protrusions (16), and the duct cover (16) is made of hard alloy material with certain toughness.
4. The air-insulated bus duct of claim 1, wherein the bottom of the female duct (1) is fixed with positioning support blocks (2) which are distributed equidistantly, the upper surfaces of the positioning support blocks (2) are provided with arc-shaped grooves (6), the bottoms of the arc-shaped grooves (6) are provided with longitudinally distributed gaps (7), and the lower surface of the copper bar (5) is reserved with convex strips (9) which are matched with the gaps.
5. An air-insulated bus duct according to claim 1, characterized in that the two opposite sides of the insulation block (11) are provided with vertical grooves (10) distributed at equal distance.
6. The air-insulated bus duct of claim 5, characterized in that the middle of the bottom of the insulation block (11) is fixed with a projection (19), and the outer wall of the circumference of the projection (19) is sleeved with two to three snap rings (20), and the diameter of the projection (19) is less than or equal to the inner diameter of the threaded hole (4).
7. The air-insulated bus duct of claim 5, characterized in that the top end of the insulation block (11) is provided with a spring sinking groove (12), a limit top block (13) is connected in a sliding groove of the spring sinking groove (12) in a sliding way, and a compression spring (21) is fixed between the lower surface of the limit top block (13) and the bottom of the spring sinking groove (12).
8. An air-insulated bus duct according to claim 7, characterized in that the top inner wall of the slot cover (15) is provided with a limit slot right above the limit top block (13), and the slot width of the limit slot is equal to the diameter of the limit top block (13).
9. The air-insulated bus duct of claim 1, wherein an air pipe (24) is fixed at the top end of the duct cover (15), an air inlet (23) communicated with the inner cavity of the female duct (1) is formed in the lower surface of the air pipe (24), a wind shield (25) in an arc-shaped tubular structure is fixed on the inner wall of the bottom of the air pipe (24) above the air inlet (23), the opening of the wind shield (25) faces the direction of the coming air flow, and an inclined air hole (3) is formed in the bottom of the female duct (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928058.2A CN113629628B (en) | 2021-08-13 | 2021-08-13 | Air insulation bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928058.2A CN113629628B (en) | 2021-08-13 | 2021-08-13 | Air insulation bus duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113629628A true CN113629628A (en) | 2021-11-09 |
| CN113629628B CN113629628B (en) | 2022-12-27 |
Family
ID=78385067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110928058.2A Active CN113629628B (en) | 2021-08-13 | 2021-08-13 | Air insulation bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113629628B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2720146A1 (en) * | 2010-11-04 | 2012-05-04 | Robert R. Pawluk | Multi level cable bus system with modular cable trays |
| CN107482556A (en) * | 2017-08-25 | 2017-12-15 | 扬中市扬子铝加工有限公司 | A kind of dust-proof radiating bus duct |
| CN209329634U (en) * | 2019-03-07 | 2019-08-30 | 厦门格尼顿电力科技有限公司 | A kind of illuminalive power-supply device type bus duct |
| CN209805362U (en) * | 2019-04-10 | 2019-12-17 | 江苏永兴电能设备科技有限公司 | Novel energy-saving wind power type bus duct |
| CN210297179U (en) * | 2019-07-10 | 2020-04-10 | 深圳市三江电气有限公司 | Bus duct with water conservancy diversion waterproofing mechanism is convenient for install |
| CN111769499A (en) * | 2020-05-20 | 2020-10-13 | 华翔翔能科技股份有限公司 | Outdoor bus bridge |
| CN212412706U (en) * | 2020-06-18 | 2021-01-26 | 广东长电科技股份有限公司 | Environment-friendly bus duct with high conductivity |
| CN212588039U (en) * | 2020-06-29 | 2021-02-23 | 南京佳剀科技有限公司 | Intensive insulation bus duct |
-
2021
- 2021-08-13 CN CN202110928058.2A patent/CN113629628B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2720146A1 (en) * | 2010-11-04 | 2012-05-04 | Robert R. Pawluk | Multi level cable bus system with modular cable trays |
| CN107482556A (en) * | 2017-08-25 | 2017-12-15 | 扬中市扬子铝加工有限公司 | A kind of dust-proof radiating bus duct |
| CN209329634U (en) * | 2019-03-07 | 2019-08-30 | 厦门格尼顿电力科技有限公司 | A kind of illuminalive power-supply device type bus duct |
| CN209805362U (en) * | 2019-04-10 | 2019-12-17 | 江苏永兴电能设备科技有限公司 | Novel energy-saving wind power type bus duct |
| CN210297179U (en) * | 2019-07-10 | 2020-04-10 | 深圳市三江电气有限公司 | Bus duct with water conservancy diversion waterproofing mechanism is convenient for install |
| CN111769499A (en) * | 2020-05-20 | 2020-10-13 | 华翔翔能科技股份有限公司 | Outdoor bus bridge |
| CN212412706U (en) * | 2020-06-18 | 2021-01-26 | 广东长电科技股份有限公司 | Environment-friendly bus duct with high conductivity |
| CN212588039U (en) * | 2020-06-29 | 2021-02-23 | 南京佳剀科技有限公司 | Intensive insulation bus duct |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113629628B (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020170442A1 (en) | Charging/discharging device | |
| CN113629628B (en) | Air insulation bus duct | |
| CN112086923B (en) | Novel bus system | |
| CN109412099B (en) | Bus duct with efficient heat dissipation function | |
| CN212890979U (en) | Unmanned aerial vehicle | |
| CN108173214A (en) | A kind of bus duct | |
| CN108389996B (en) | Battery box | |
| CN220440339U (en) | Heat dissipation type bus duct | |
| CN212033712U (en) | Fire-resistant waterproof bus duct | |
| CN213583940U (en) | Polymer battery integrated device with good heat dissipation performance | |
| CN215646051U (en) | Bus duct cover plate | |
| CN217063582U (en) | Inverter top cover convenient to install | |
| CN219611292U (en) | Bus duct end cap structure | |
| CN214314439U (en) | Insulating partition plate and bus duct connector with insulating partition plate | |
| CN220382726U (en) | Compact bus duct easy to ventilate and radiate | |
| CN214314441U (en) | Bus duct convenient to equipment | |
| CN210406006U (en) | Heat radiation structure for connector | |
| CN218633247U (en) | Auxiliary side plate for bus duct connector | |
| CN211088153U (en) | Combined vacuum contactor | |
| CN216625228U (en) | Copper-aluminum combined single double-loop bus duct | |
| CN210430856U (en) | Intensive bus duct | |
| CN210201733U (en) | Heat radiation structure of T-shaped three-level converter and T-shaped three-level converter | |
| CN217406129U (en) | Waterproof bus duct device | |
| CN214672395U (en) | Relay convenient to installation | |
| CN217740632U (en) | High-efficient radiating energy storage PACK case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221207 Address after: 516000 Building B, He Village, Tianxin Administrative District, Sandong Town, Huizhou City, Guangdong Province Applicant after: Guangdong Zhonghao Technology Co.,Ltd. Address before: 324100 No. 136, Qingjia street, Qinghu street, Jiangshan City, Quzhou, Zhejiang Applicant before: Zhong Zairong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |