CN109004559A - A kind of power distribution cabinet - Google Patents
A kind of power distribution cabinet Download PDFInfo
- Publication number
- CN109004559A CN109004559A CN201810892746.6A CN201810892746A CN109004559A CN 109004559 A CN109004559 A CN 109004559A CN 201810892746 A CN201810892746 A CN 201810892746A CN 109004559 A CN109004559 A CN 109004559A
- Authority
- CN
- China
- Prior art keywords
- lagging
- air inlet
- mainframe
- insulated space
- several
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of power distribution cabinet, including mainframe, mainframe includes cabinet body and cabinet door, and lagging is equipped with above the mainframe, forms outer insulated space between lagging and mainframe top, is equipped with several perpendicular springs in outer insulated space；The perpendicular spring upper end connects lagging, erects at the top of lower spring end connection cabinet body, diaphragm plate, the lower main chamber that interior of the cabinet is separated into interior insulated space and be in below interior insulated space by diaphragm plate are equipped in cabinet body；The mainframe bottom is equipped with pedestal, and base bottom is equipped with several coagulation bodies casting slot；It is equipped with several first limited blocks in the outer insulated space, is fixed at the top of the first limited block and mainframe, there is gap between the first limited block and top and lagging bottom.The beneficial effects of the present invention are: having anti-twice straight sunning prevention structure, and it can be flowed using air and be exchanged the air of local partial heat automatically with outside air, while certain heat dissipation effect can be played.
Description
Technical field
The invention belongs to electrical equipment technical field more particularly to a kind of power distribution cabinets.
Background technique
Power distribution cabinet is a kind of common electrical assembly in life, and power distribution cabinet can be by switchgear, measuring instrumentss, protection electricity
The various electrical equipments such as device and ancillary equipment, electric component are assembled in closing or semiclosed metal safe, and when normal operation can borrow
Help manual or automatic switch connection or disjunction circuit.Since various electrical equipments may be configured in power distribution cabinet, in its work
When making, it can continue to generate heat, in addition, the sun directly shines and is easy to cause inside outdoors in relatively-high temperature area or environment
The principal element of overheat, so, to configured with for should not locating the power distribution cabinet of electrical equipment in a high temperauture environment for a long time, prevent
Over-heat inside is highly important.However, current power distribution cabinet is still lacking in terms of anti-overheating protection.
Summary of the invention
The present invention provides a kind of power distribution cabinet, has anti-twice straight sunning prevention structure, and can be inclined by part using air flowing
The air of heat is exchanged automatically with outside air, while can play certain heat dissipation effect.
A kind of power distribution cabinet, including mainframe, mainframe include cabinet body and cabinet door,
It is equipped with lagging above the mainframe, forms outer insulated space, outer insulated space between lagging and mainframe top
It is interior to be equipped with several perpendicular springs；
The perpendicular spring upper end connects lagging, erects at the top of lower spring end connection cabinet body, and diaphragm plate is equipped in cabinet body, and diaphragm plate will
The lower main chamber that interior of the cabinet is separated into interior insulated space and is in below interior insulated space；
The mainframe bottom is equipped with pedestal, and base bottom is equipped with several coagulation bodies casting slot；
Several first limited blocks, fixed, the first limited block at the top of the first limited block and mainframe are equipped in the outer insulated space
There is gap between top and lagging bottom.
Preferably, the mainframe further includes the outer stand being arranged on cabinet body lateral wall, it is equipped with bore in outer stand,
It is equipped with waterproof exhaust fan in bore, cabinet body is equipped with several direct air inlets and a gas vent being connected to bore, in cabinet body
Equipped with vertical clapboard, vertical clapboard will be separated into distribution chamber and discharge chamber inside lower main chamber, and vertical clapboard is equipped with several transitional pores, directly
Air inlet is connected to distribution chamber, and gas vent is connected to discharge chamber.
Preferably, encirclement cylinder in the side's of being arranged on the cabinet body, in the lagging side of being in encirclement cylinder, and lagging peripheral side
Cooperation is slidingly sealed between wall and square encirclement medial wall of the tube, square encirclement cylinder upper end is equipped with varus frame, is equipped with top in varus frame
Web plate, top web plate are equipped with multiple mesh, and top web plate bottom is equipped with the second limited block of contact lagging, strut rail plate top surface and top
The water cavity that leaks is formed between web plate bottom surface, square encirclement cylinder is equipped with several drain holes being connected to the water cavity that leaks, and drain hole is minimum
Positioned at strut rail plate top surface and lagging bottom surface between, square encirclement cylinder is connected to equipped with several with outer insulated space for point locating height
Adjust stomata.
Preferably, the diaphragm plate is equipped with several mounting holes, mounting hole one end is connected to distribution chamber, the mounting hole other end
Insulated space in being connected to, mounting hole are equipped with the thermally conductive copper billet for sealing mounting hole.
It is connected to preferably, the interior insulated space passes through the interior venthole being arranged on diaphragm plate with discharge chamber, cabinet body
It is equipped with the indirect air inlet being connected to interior insulated space, square encirclement cylinder is equipped with external admission hole, indirect air inlet and external admission
The vertical closure plate that can seal direct air inlet is equipped between hole, vertical closure plate and cabinet body are slidingly sealed cooperation, and the connection of vertical closure plate upper end is horizontal
Baffle, vertical closure plate are equipped with several and one-to-one venthole of direct air inlet, and venthole is connected to corresponding direct air inlet,
Vertical closure plate is equipped with the plate hole that can be connected to indirect air inlet with external admission hole；When lagging contacts the second limited block, lead to
Stomata is connected to corresponding direct air inlet, and vertical closure plate seals indirect air inlet；When lagging contacts the first limited block, plate hole connection
Indirect air inlet and external admission hole, vertical closure plate seal each direct air inlet.
Preferably, the vertical closure plate is equipped with several and one-to-one intake elbow of direct venthole, intake elbow
Outlet side is connected to corresponding venthole, and intake elbow inlet end is communicated with the atmosphere, and intake elbow inlet end is opening down.
Preferably, the locating height in side's encirclement cylinder lower end is higher than locating for gas vent highest point highly, under square encirclement cylinder
The locating height in end is higher than the locating height in any direct air inlet highest point.
The beneficial effects of the present invention are: having anti-twice straight sunning prevention structure, and can be flowed using air by local partial heat
Air is exchanged automatically with outside air, while can play certain heat dissipation effect；Direct radiating airflow and indirect heat transmission gas
Stream can targetedly radiate, and anti-overheating protection ability is strong.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the enlarged drawing in Fig. 1 at C.
In figure: mainframe 1, interior insulated space 1a, distribution chamber 1b, discharge chamber 1c, cabinet body 11, direct air inlet 11a, exhaust
Hole 11b, indirect air inlet 11c, outer stand 12, bore 121, waterproof exhaust fan 122, lagging 2, outer insulated space 2a, perpendicular bullet
Spring 21, the first limited block 22, diaphragm plate 3, interior venthole 3a, thermally conductive copper billet 31, pedestal 4, coagulation body casting slot 4a, vertical clapboard 5,
Transitional pore 5a, square encirclement cylinder 6, drain hole 6a, varus frame 61, top web plate 62, the second limited block 63, vertical closure plate 7, venthole
7a, plate hole 7b, intake elbow 71.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Shown in as shown in Figure 1 to Figure 4,
A kind of power distribution cabinet, including mainframe 1, mainframe include cabinet body 11 and cabinet door,
It is equipped with lagging 2 above the mainframe, forms outer insulated space 2a, outer heat-insulated sky between lagging and mainframe top
It is interior to be equipped with several perpendicular springs 21；
The perpendicular spring upper end connects lagging, erects at the top of lower spring end connection cabinet body, diaphragm plate 3, diaphragm plate are equipped in cabinet body
The lower main chamber that interior of the cabinet is separated into interior insulated space 1a and is in below interior insulated space；
The mainframe bottom is equipped with pedestal 4, and base bottom is equipped with several coagulation bodies casting slot 4a；
Several first limited blocks 22, fixed, the first limit at the top of the first limited block and mainframe are equipped in the outer insulated space
There is gap between block and top and lagging bottom.
Electrical equipment can be only fitted in distribution chamber.Lagging has the effect of sun-proof, external insulation, and due to erecting spring
Presence, when there is free flow of air, lagging be can move up and down, thus by air and outside air in outer insulated space 2a
It swaps, the air in outer insulated space 2a is avoided to be in the state of a temperature drift always because of poor fluidity.Tabula
Plate has been separated out interior insulated space 1a, can provide internal heat insulating function, avoids the heat for the air being drying heat at the top of mainframe straight
It connects conduction and enters distribution chamber, also, air flowing can take away heat, heat dissipation effect be also played, so as to further prevent
The intracavitary heating of distribution is too fast.
The mainframe further includes the outer stand 12 being arranged on cabinet body lateral wall, is equipped with bore 121, bore in outer stand
Interior to be equipped with waterproof exhaust fan 122, cabinet body is equipped with a several direct air inlet 11a and gas vent 11b being connected to bore, cabinet
It is equipped with vertical clapboard 5 in vivo, vertical clapboard will be separated into distribution chamber 1b and discharge chamber 1c inside lower main chamber, vertical clapboard is equipped with several mistakes
Hole 5a is crossed, direct air inlet is connected to distribution chamber, and gas vent is connected to discharge chamber.Waterproof exhaust fan continues working, and is formed direct
Radiating airflow, direct radiating airflow from the external world through direct air inlet 11a, distribution chamber 1b, transitional pore 5a, discharge chamber 1c and finally from
Bore 121 is discharged, and direct radiating airflow is directly over distribution chamber, more can directly take away internal heat, persistently carries out scattered
Heat.
The side's of being arranged with encirclement cylinder 6 on the cabinet body, in the lagging side of being in encirclement cylinder, and lagging circumferential side wall and side protect
Cooperation is slidingly sealed between shroud inner sidewall, square encirclement cylinder upper end is equipped with varus frame 61, top web plate 62 is equipped in varus frame,
It pushes up web plate and is equipped with multiple mesh, top web plate bottom is equipped with the second limited block 63 of contact lagging, strut rail plate top surface and top net
The water cavity that leaks is formed between board bottom face, square encirclement cylinder is equipped with several drain hole 6a being connected to the water cavity that leaks, and drain hole is minimum
Positioned at strut rail plate top surface and lagging bottom surface between, square encirclement cylinder is connected to equipped with several with outer insulated space for point locating height
Adjust stomata.Push up web plate can to avoid in biggish impurity, the rubbish side of falling into encirclement cylinder, and the impurity of small size, rubbish be can
To follow rainwater flow to drain from drain hole.
The diaphragm plate be equipped with several mounting holes, mounting hole one end be connected to distribution chamber, the mounting hole other end connection in every
Heat space, mounting hole are equipped with the thermally conductive copper billet 31 for sealing mounting hole.Thermally conductive copper billet can be intracavitary by distribution a part of heat
Conduction strengthens heat dissipation effect to interior insulated space.
The interior insulated space and discharge chamber pass through the interior venthole 3a being arranged on diaphragm plate and be connected tos, cabinet body equipped with
The indirect air inlet 11c of interior insulated space connection, square encirclement cylinder is equipped with external admission hole, between indirect air inlet and external admission hole
Equipped with the vertical closure plate 7 that can seal direct air inlet, vertical closure plate and cabinet body are slidingly sealed cooperation, and vertical closure plate upper end connects lagging,
Vertical closure plate is equipped with several and one-to-one venthole 7a of direct air inlet, and venthole is connected to corresponding direct air inlet, erects
Sealing plate is equipped with the plate hole 7b that can be connected to indirect air inlet with external admission hole；When lagging contacts the second limited block, lead to
Stomata is connected to corresponding direct air inlet, and vertical closure plate seals indirect air inlet；When lagging contacts the first limited block, plate hole connection
Indirect air inlet and external admission hole, vertical closure plate seal each direct air inlet.
Other than feature described in background technology, there are one features for electrical equipment, should not exactly be in the long period
In environment more than aqueous vapor, especially the air of excessive rainwater or excessive moisture to be avoided to continue into distribution box, otherwise hold and lead
Send a telegraph road, the electrical equipment service life seriously shortens, be also easy to cause short circuit.Conventional distribution box, once encounter the rainy day (very little, when
Between very short rain ignore because influence time is short and influences small), the air of external extreme humidity, which will be flowed through constantly, electrically to be set
Standby, this is totally unfavorable.In addition, rainwater is also easy to enter distribution chamber, it is easier to go wrong.
And in the present embodiment, when not raining or rainy, but the feelings of rainwater very little (very little, time very short rain)
Under condition, rainwater can be entered by web plate above lagging, but the water above lagging will not be accumulated, all can be fast from drain hole 6a
Speed discharge.Direct radiating airflow proper flow at this time, indirect radiating airflow be blocked (direct radiating airflow effect is strong, thus
When direct radiating airflow proper flow, it is little that indirect radiating airflow is blocked influence).
And once rainfall is slightly larger, drain hole 6a will have little time Quick drainage, and since the weight of ponding becomes larger, lagging
It moves down, lagging can touch the first limited block 22, and indirect air inlet is connected to by plate hole 7b with external admission hole at this time, vertical closure
Plate seals each direct air inlet 11a, and indirect radiating airflow constant flow can be radiated, while can be avoided rainwater indirectly
Enter distribution chamber with a large amount of aqueous vapors, complete to automatically switch, also, cool down as caused by rainfall, can make up a part of direct
The heat radiation function of radiating airflow.After rain stops, under the effect of gravity, each structure resets.
Direct radiating airflow can also first pass through venthole 7a before entering direct air inlet 11a.
Waterproof exhaust fan continues working, and also will form indirect radiating airflow, indirect radiating airflow is from the external world through external admission hole
6b, plate hole 7b, indirect air inlet 11c, interior insulated space, interior venthole 3a, discharge chamber 1c are simultaneously finally discharged from bore 121, real
Now heat dissipation indirectly.
The vertical closure plate is equipped with several and one-to-one intake elbow 71 of direct venthole, and intake elbow outlet side connects
Lead to corresponding venthole, intake elbow inlet end is communicated with the atmosphere, and intake elbow inlet end is opening down.Rainwater very little (very
Very short rain of small, time) in the case where (direct air inlet 11a is not enclosed at this time), can prevent rainwater from entering distribution chamber.Directly
Radiating airflow can also first pass through intake elbow 71 before entering venthole 7a.
The locating height in side's encirclement cylinder lower end is higher than the locating height in gas vent highest point, the locating height in square encirclement cylinder lower end
Higher than height locating for any direct air inlet highest point.
Claims (7)
1. a kind of power distribution cabinet, including mainframe, mainframe includes cabinet body and cabinet door, characterized in that
It is equipped with lagging above the mainframe, forms outer insulated space, outer insulated space between lagging and mainframe top
It is interior to be equipped with several perpendicular springs；
The perpendicular spring upper end connects lagging, erects at the top of lower spring end connection cabinet body, and diaphragm plate is equipped in cabinet body, and diaphragm plate will
The lower main chamber that interior of the cabinet is separated into interior insulated space and is in below interior insulated space；
The mainframe bottom is equipped with pedestal, and base bottom is equipped with several coagulation bodies casting slot；
Several first limited blocks, fixed, the first limited block at the top of the first limited block and mainframe are equipped in the outer insulated space
There is gap between top and lagging bottom.
2. a kind of power distribution cabinet according to claim 1, characterized in that the mainframe further includes being arranged in cabinet body lateral wall
On outer stand, bore is equipped in outer stand, waterproof exhaust fan is equipped in bore, cabinet body is equipped with several direct air inlets and one
A gas vent being connected to bore, cabinet body is interior to be equipped with vertical clapboard, and vertical clapboard will be separated into distribution chamber and discharge chamber inside lower main chamber,
Vertical clapboard is equipped with several transitional pores, and direct air inlet is connected to distribution chamber, and gas vent is connected to discharge chamber.
3. a kind of power distribution cabinet according to claim 2, characterized in that the side's of being arranged with encirclement cylinder, lagging on the cabinet body
In the side's of being in encirclement cylinder, and cooperation, square encirclement cylinder upper end are slidingly sealed between lagging circumferential side wall and square encirclement medial wall of the tube
Equipped with varus frame, top web plate is equipped in varus frame, top web plate is equipped with multiple mesh, and top web plate bottom is equipped with contact strut rail
Second limited block of plate is formed between strut rail plate top surface and top web plate bottom surface and is leaked water cavity, square encirclement cylinder be equipped with it is several with it is outer
The drain hole of sluicing chamber connection, the locating height of drain hole minimum point is between strut rail plate top surface and lagging bottom surface, square encirclement
Cylinder is equipped with several adjusting stomatas being connected to outer insulated space.
4. a kind of power distribution cabinet according to claim 2, characterized in that the diaphragm plate is equipped with several mounting holes, installation
Hole one end is connected to distribution chamber, and the mounting hole other end is connected to interior insulated space, and mounting hole is equipped with the thermally conductive copper billet for sealing mounting hole.
5. a kind of power distribution cabinet according to claim 3, characterized in that the interior insulated space and discharge chamber are existed by setting
Interior venthole connection on diaphragm plate, cabinet body are equipped with the indirect air inlet being connected to interior insulated space, and square encirclement cylinder is equipped with
External admission hole, is equipped with the vertical closure plate that can seal direct air inlet between indirect air inlet and external admission hole, vertical closure plate and cabinet body are sliding
Dynamic sealing cooperation, vertical closure plate upper end connect lagging, and vertical closure plate is equipped with several and one-to-one venthole of direct air inlet,
Venthole is connected to corresponding direct air inlet, and vertical closure plate is equipped with the plate that can be connected to indirect air inlet with external admission hole
Hole；When lagging contacts the second limited block, venthole is connected to corresponding direct air inlet, and vertical closure plate seals indirect air inlet；It is horizontal
When baffle contacts the first limited block, plate hole is connected to indirect air inlet and external admission hole, and vertical closure plate seals each direct air inlet.
6. a kind of power distribution cabinet according to claim 5, characterized in that the vertical closure plate is equipped with several and direct venthole
One-to-one intake elbow, intake elbow outlet side are connected to corresponding venthole, and intake elbow inlet end is communicated with the atmosphere, into
Gas bend gas intake end opening is downward.
7. according to a kind of power distribution cabinet described in Claims 2 or 3 or 4 or 5 or 6, characterized in that locating for side's encirclement cylinder lower end
Height is higher than the locating height in gas vent highest point, and the locating height in square encirclement cylinder lower end is higher than locating for any direct air inlet highest point
Highly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810892746.6A CN109004559B (en) | 2018-08-07 | 2018-08-07 | A kind of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810892746.6A CN109004559B (en) | 2018-08-07 | 2018-08-07 | A kind of power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109004559A true CN109004559A (en) | 2018-12-14 |
| CN109004559B CN109004559B (en) | 2019-11-22 |
Family
ID=64595065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810892746.6A Active CN109004559B (en) | 2018-08-07 | 2018-08-07 | A kind of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109004559B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492368A (en) * | 2019-09-15 | 2019-11-22 | 蓝枫电气(杭州)有限公司 | A kind of intelligent power distribution cabinet |
| CN110492369A (en) * | 2019-09-15 | 2019-11-22 | 蓝枫电气(杭州)有限公司 | A kind of power distribution cabinet with water-proof function |
| CN117791384A (en) * | 2024-02-27 | 2024-03-29 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
| CN117791384B (en) * | 2024-02-27 | 2024-05-17 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204349297U (en) * | 2015-02-04 | 2015-05-20 | 宁波市锦达电器设备制造有限公司 | Dispel the heat rainproof power distribution cabinet |
| CN205646591U (en) * | 2016-05-09 | 2016-10-12 | 浙江迪盛新能源科技有限公司 | Prepackage type transformer station |
| CN108933387A (en) * | 2017-05-26 | 2018-12-04 | 李梦艺 | A kind of dustproof electric cabinet of conveniently moving |
-
2018
- 2018-08-07 CN CN201810892746.6A patent/CN109004559B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204349297U (en) * | 2015-02-04 | 2015-05-20 | 宁波市锦达电器设备制造有限公司 | Dispel the heat rainproof power distribution cabinet |
| CN205646591U (en) * | 2016-05-09 | 2016-10-12 | 浙江迪盛新能源科技有限公司 | Prepackage type transformer station |
| CN108933387A (en) * | 2017-05-26 | 2018-12-04 | 李梦艺 | A kind of dustproof electric cabinet of conveniently moving |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492368A (en) * | 2019-09-15 | 2019-11-22 | 蓝枫电气(杭州)有限公司 | A kind of intelligent power distribution cabinet |
| CN110492369A (en) * | 2019-09-15 | 2019-11-22 | 蓝枫电气(杭州)有限公司 | A kind of power distribution cabinet with water-proof function |
| CN110492368B (en) * | 2019-09-15 | 2020-08-21 | 蓝枫电气(杭州)有限公司 | Intelligent power distribution cabinet |
| CN117791384A (en) * | 2024-02-27 | 2024-03-29 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
| CN117791384B (en) * | 2024-02-27 | 2024-05-17 | 中铁一局集团电务工程有限公司 | Distribution box for trolley bus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109004559B (en) | 2019-11-22 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191029 Address after: 321200 No. 1 Huanglong Road, Huanglong Industrial Area, Wuyi County, Jinhua, Zhejiang Applicant after: Zhejiang Xing Yan Electric Equipment Co., Ltd. Address before: 311835 Baocun 561, Ruan Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant before: Feng Yan |
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