CN108508997B - Cooling box for notebook computer power adapter and use method thereof - Google Patents
Cooling box for notebook computer power adapter and use method thereof Download PDFInfo
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- CN108508997B CN108508997B CN201810167671.5A CN201810167671A CN108508997B CN 108508997 B CN108508997 B CN 108508997B CN 201810167671 A CN201810167671 A CN 201810167671A CN 108508997 B CN108508997 B CN 108508997B
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- cooling
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- cooling box
- box body
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/20—Indexing scheme relating to G06F1/20
- G06F2200/201—Cooling arrangements using cooling fluid
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention relates to the technical field of cooling methods, in particular to a cooling box for a power adapter of a notebook computer, which comprises a cooling box body, wherein the upper surface of the cooling box body is an inlet for placing a power adapter, and a pair of side surfaces of the cooling box body are respectively provided with a U-shaped groove; a cooling liquid cavity is formed in the other pair of side faces of the cooling box body, a piston plate is connected in the cooling liquid cavity in a sliding mode, and an elastic reset piece is arranged between the piston plate and the cavity wall of the cooling liquid cavity; the inner bottom surface of the cooling box body is provided with a limiting lug; a strip-shaped bulge used for limiting the piston plate is arranged on the cavity wall of the cooling liquid cavity close to the inlet; an extrusion cavity is arranged in the inner bottom surface of the cooling box body, and a communicating pipe is arranged between the extrusion cavity and the cooling liquid cavity; the inner bottom surface of the cooling box body is provided with a plurality of through holes communicated with the extrusion cavity, and an elastic layer is arranged in the through holes. The scheme solves the problems that in the prior art, the temperature of the power adapter is too high in the using process, and the surface of the power adapter is easily scratched or abraded.
Description
Technical Field
The invention relates to the technical field of cooling methods, in particular to a cooling box for a notebook computer power adapter and a using method thereof.
Background
The power adapter of the notebook computer, namely the charger of the notebook computer, generally consist of input line, charger body, output line, joint; when people use the notebook computer, the power adapter is generally directly placed on the ground or a desktop; the place for placing the computer is mainly determined according to the environment of using the computer by the user.
The prior art has the following technical problems: 1. the power adapter often emits a large amount of heat in the working process, if the power adapter is placed in a storage tank, the service life of the power adapter is often influenced due to overhigh temperature, and the temperature of a computer is also influenced, so that the running speed of the computer is reduced; 2. the power adapter is directly placed on the ground or a table top in the using process; if the power adapter is dragged carelessly, the surface of the power adapter is very easy to scratch or abrade, and the appearance of the power adapter is affected.
Disclosure of Invention
The invention aims to provide a cooling box for a notebook computer power adapter, which solves the problems that the temperature of the power adapter is overhigh in the using process and the surface of the power adapter is easy to scratch or wear in the prior art.
In order to achieve the above purpose, the first basic scheme of the invention is as follows:
the cooling box for the notebook computer power adapter comprises a cooling box body, wherein the upper surface of the cooling box body is an inlet for placing the power adapter, and a pair of side surfaces of the cooling box body are provided with U-shaped grooves; a cooling liquid cavity for placing cooling liquid is formed in the other pair of side faces of the cooling box body, a piston plate is connected in the cooling liquid cavity in a sliding mode, and an elastic reset piece is arranged between the piston plate and the cavity wall of the cooling liquid cavity; the inner bottom surface of the cooling box body is provided with a limiting lug boss used for limiting the piston plate; a strip-shaped bulge used for limiting the piston plate is arranged on the cavity wall of the cooling liquid cavity close to the inlet; an extrusion cavity is arranged in the inner bottom surface of the cooling box body, and a communicating pipe is arranged between the extrusion cavity and the cooling liquid cavity; the inner bottom surface of the cooling box body is provided with a plurality of through holes communicated with the extrusion cavity, and an elastic layer is arranged in the through holes.
The beneficial effect that this scheme produced is:
1. when the scheme is adopted, the power adapter can be directly placed into the cooling box body from the inlet; due to the arrangement of the piston plate, the cooling box can be suitable for power adapters with different sizes; after the power adapters with different sizes are placed into the cooling box body, the sliding distances of the piston plates are different, so that when the piston plates extrude cooling liquid, the extrusion degree of the cooling liquid to the elastic layer is different, and therefore the swelling degree of the elastic layer is different. For example, the larger the size of the adapter, the larger the amount of heat that needs to be dissipated, and the larger the protrusion of the elastic layer into the cooling box body, the larger the contact area between the protrusion and the bottom surface of the power adapter, and the heat dissipation effect will be improved.
After the elastic layer swells, the elastic layer is contacted with the bottom surface of the power adapter, so that the power adapter can be cooled; compared with the prior art that the power adapter is directly placed on the ground or a desktop, the scheme can also prevent the power adapter from being scratched and abraded.
The first preferred scheme is as follows: as further optimization of the basic scheme, a secondary cooling cavity is further arranged in the inner bottom surface of the cooling box body, and the refrigerating sheets are arranged in the circumferential direction of the secondary cooling cavity; a soft water bag is arranged in the secondary cooling cavity, and a liquid through pipe for introducing liquid into the extrusion cavity is arranged on the soft water bag; an extrusion plate for extruding the soft water bag is arranged in one side of the secondary cooling cavity, which is far away from the liquid through pipe, a push rod is arranged on the extrusion plate, and one end of the push rod extends out of the cooling box body; a communicating hole is also arranged between the re-cooling cavity and the extrusion cavity, a hollow conical rubber sleeve is arranged in the communicating hole, the tip end of the conical rubber sleeve faces the re-cooling cavity, and a water through hole which can be opened by the extrusion of the cooling liquid in the extrusion cavity is arranged at the tip end of the conical rubber sleeve; a hose is arranged between the tip part of the conical rubber sleeve and the soft water sac.
This scheme can also further cool off power adapter, mainly is applicable to, the condition of notebook computer live time overlength: because the notebook computer is used for a long time, the power adapter is heated more and more; in order to further ensure the cooling effect on the power adapter; after the power adapter is used for a period of time, the power adapter is pressed downwards, the power adapter can extrude the elastic layer, and the elastic layer moves downwards; because the piston plates on the two sides of the cooling box body are already propped against the two sides of the power adapter, the piston plates cannot move any more, so that cooling liquid in the extrusion cavity can enter the conical rubber sleeve and extrude the conical rubber sleeve, the water through hole in the tip part of the conical rubber sleeve can be expanded at the moment, and the cooling liquid enters the soft water sac through the water through hole; the refrigerating sheet in the secondary cooling cavity can cool the cooling liquid in the soft water bag; after a period of time, pushing the push rod, pushing the extrusion plate by the push rod, extruding the soft water bag by the extrusion plate, and enabling the cooling liquid in the soft water bag to enter the extrusion cavity through the liquid through pipe and further enter the through hole again, so that the elastic layer is bulged upwards again to be in contact with the power adapter; and then carry out recooling to power adapter, guarantee the cooling effect.
The preferred scheme II is as follows: as a further optimization of the first preferred embodiment, the elastic restoring member is a spring. The automatic resetting of the piston plate is realized very simply.
The preferable scheme is three: as a further optimization of the basic solution, the elastic layer is a rubber layer. It is very simply achieved that the elastic layer can bulge upwards when the cooling liquid presses against it.
The preferable scheme is four: as a further optimization of the third preferred embodiment, the elastic layer is curved so as to be upwardly arched toward the upper surface of the cooling box body. Further facilitating the upward bulging of the elastic layer.
The second basic scheme is as follows:
the use method of the cooling box for the power adapter of the notebook computer comprises the following use steps:
step one, primary cooling: aligning the input and output lines at the two ends of the power adapter with the U-shaped grooves on the cooling box body respectively; then obliquely placing the power adapter into the cooling box body, and respectively extruding the piston plates on the two sides of the cooling box body by the two sides of the power adapter; the piston plate extrudes the cooling liquid in the cooling liquid cavity, the cooling liquid enters the extrusion cavity through the communicating pipe and flows into the through hole, so that the elastic layer is upwards bulged to be contacted with the power adapter, and the surface of the bulged elastic layer is higher than the inner bottom surface of the cooling box body;
step two, re-cooling: pressing the power adapter downwards every 20-30 minutes; the cooling liquid in the extrusion cavity expands the limber holes and enters the soft water sac; the cooling plate cools the cooling liquid in the soft water bag; then promote the push rod, the push rod promotes the stripper plate, and the stripper plate extrudees soft water pocket, and the coolant liquid in the soft water pocket enters into the extrusion intracavity through leading to the liquid pipe, and then enters into the through-hole again for the elastic layer upwards swells and power adapter contacts.
The beneficial effect that this scheme produced is: by adopting the steps, the cooling effect on the power adapter is ensured.
Drawings
FIG. 1 is a top view of a cooling box for a power adapter of a notebook computer according to the present invention;
FIG. 2 is a partial cross-sectional view of the cooling cartridge body of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a partially enlarged view of B in fig. 2.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the cooling box comprises a cooling box body 1, an inlet 11, a U-shaped groove 12, a cooling liquid cavity 13, a piston plate 131, an elastic resetting piece 132, a limiting bump 14, a strip-shaped protrusion 15, an extrusion cavity 2, a communication pipe 21, a through hole 22, a rubber layer 23, a re-cooling cavity 3, a refrigerating sheet 31, a soft water bag 32, a liquid communication pipe 321, an extrusion plate 33, a push rod 34, a communication hole 35, a conical rubber sleeve 351, a water communication hole 352, a hose 353 and a power adapter 4.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
as shown in fig. 1 and 2, the cooling box for the power adapter 4 of the notebook computer comprises a rectangular parallelepiped cooling box body 1, and the upper surface of the cooling box body 1 is an inlet 11 for receiving the power adapter 4. In FIG. 1, U-shaped grooves 12 are arranged on the upper side surface and the lower side surface of the cooling box body 1; mainly used for putting in the input line and the output line of the power adapter 4.
In fig. 1, cooling liquid cavities 13 for placing cooling liquid are arranged in the left side surface and the right side surface of the cooling box body 1, and piston plates 131 are connected in the cooling liquid cavities 13 in a sliding manner; as shown in fig. 2, an elastic return member 132 (i.e., a spring) is provided between the piston plate 131 and the wall of the cooling liquid chamber 13; the bottom surface of the cooling box body 1 is provided with a limit projection 14 for limiting the piston plate 131. A strip-shaped bulge 15 used for limiting the piston plate 131 is arranged on the wall of the cooling liquid cavity 13 close to the inlet 11; and the wall of the cooling liquid chamber 13 close to the inlet 11 is in a circular arc transition as shown in fig. 2.
An extrusion cavity 2 is arranged in the bottom surface of the cooling box body 1, and a communicating pipe 21 is arranged between the extrusion cavity 2 and the cooling liquid cavity 13; a plurality of through holes 22 communicated with the extrusion cavity 2 are formed in the bottom surface of the cooling box body 1, and elastic layers (rubber layers 23 in the scheme) are arranged in the through holes 22; as shown in fig. 3, the elastic layer is in an arc shape upwardly arched toward the upper surface of the cooling box body 1; the highest position of the upper surface of the elastic layer is flush with the inner bottom surface of the cooling box body 1.
As shown in fig. 2 and 4, a re-cooling cavity 3 is further arranged in the bottom surface of the cooling box body 1, and a refrigerating sheet 31 is arranged in the circumferential direction of the re-cooling cavity 3; the refrigerating sheet 31 in the scheme is a semiconductor refrigerating sheet 31; and the refrigerating surface of the semiconductor refrigerating sheet 31 is positioned in the secondary cooling cavity 3, and the heat releasing surface of the semiconductor refrigerating sheet 31 is contacted with the outside air or the ground, so that heat dissipation is facilitated. (for example, in the scheme shown in FIG. 4, when the cooling box is placed on the ground, the heat radiating surface of the semiconductor chilling plate 31 is in contact with the ground).
A soft water bag 32 (shown in figure 4) is arranged in the re-cooling cavity 3, and the right side of the soft water bag 32 is fixed with the cavity wall of the re-cooling cavity 3; a liquid through pipe 321 for introducing liquid into the extrusion cavity 2 is communicated with the right side of the soft water bag 32, and a one-way valve is arranged on the liquid through pipe 321. An extrusion plate 33 for extruding the soft water bag 32 is arranged in one side of the re-cooling cavity 3, which is far away from the liquid through pipe 321, the right side of the extrusion plate 33 is fixedly connected with the soft water bag 32, a push rod 34 is fixed on the left side of the extrusion plate 33, and one end of the push rod 34 extends out of the cooling box body 1. A communicating hole 35 is also arranged between the re-cooling cavity 3 and the extrusion cavity 2, a hollow conical rubber sleeve 351 is arranged in the communicating hole 35, the tip of the conical rubber sleeve 351 faces the re-cooling cavity 3, and a water through hole 352 which can be extruded by the cooling liquid in the extrusion cavity 2 to be opened is arranged at the tip of the conical rubber sleeve 351. A hose 353 is arranged between the tip of the conical rubber sleeve 351 and the soft water bag 32, so that the cooling liquid flowing out of the water through hole 352 can enter the soft water bag 32 through the hose 353.
The soft water bag 32 in this embodiment is made of a soft material, such as a rubber water bag with wrinkles, so that the soft water bag 32 can be arbitrarily squeezed and folded when the squeezing plate 33 squeezes.
The use method of the cooling box for the notebook computer power adapter 4 comprises the following steps:
step one, primary cooling: the input and output lines at both ends of the power adapter 4 are aligned with the upper and lower U-shaped grooves 12 of the cooling box body 1 in fig. 1, respectively. Then, the power adapter 4 is obliquely placed into the cooling box body 1 to the left, the left side of the power adapter 4 is firstly contacted with the piston plate 131 on the left side of the cooling box body 1, the piston plate 131 on the left side is extruded to the left, and after the width in the cooling box body 1 is proper, the right side of the power adapter 4 is also pressed into the cooling box body 1.
The two sides of the power adapter 4 respectively extrude the piston plates 131 on the two sides of the cooling box body 1; the piston plate 131 presses the cooling liquid in the cooling liquid chamber 13, and the cooling liquid enters the pressing chamber 2 through the communication pipe 21 and flows into the through hole 22, so that the elastic layer is bulged upwards to contact with the power adapter 4, and the cooling is performed on the elastic layer. And the surface of the elastic layer after being bulged is higher than the bottom surface of the cooling box body 1, so that a certain gap is formed between the bottom surface of the cooling box body 1 and the bottom surface of the power adapter 4, and heat dissipation is facilitated.
Step two, re-cooling: when the notebook computer is used for a long time, the cooling effect on the power adapter 4 is further ensured; pressing the power adapter 4 downwards every 20-30 minutes, wherein the power adapter 4 extrudes the elastic layer, and the elastic layer moves downwards; since the piston plates 131 on both sides of the cooling box body 1 are already pressed against both sides of the power adapter 4, the piston plates 131 do not move any more, and therefore, the cooling liquid in the extrusion chamber 2 enters the conical rubber sleeve 351 and extrudes the conical rubber sleeve 351, and the water passage holes 352 are expanded by the cooling liquid in the extrusion chamber 2 and enter the soft water bladder 32.
The cooling plate 31 cools the cooling liquid in the soft water bag 32; then the push rod 34 is pushed, the push rod 34 pushes the extrusion plate 33, the extrusion plate 33 extrudes the soft water bag 32, the cooling liquid in the soft water bag 32 enters the extrusion cavity 2 through the liquid through pipe 321, and further flows into the through hole 22 again, so that the elastic layer is raised upwards again to be contacted with the power adapter 4; and then carry out recooling to power adapter 4, guarantee the cooling effect.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The cooling box for the notebook computer power adapter comprises a cooling box body and is characterized in that the upper surface of the cooling box body is an inlet for placing the power adapter, and a pair of side surfaces of the cooling box body are provided with U-shaped grooves; a cooling liquid cavity for placing cooling liquid is formed in the other pair of side faces of the cooling box body, a piston plate is connected in the cooling liquid cavity in a sliding mode, and an elastic reset piece is arranged between the piston plate and the cavity wall of the cooling liquid cavity; the inner bottom surface of the cooling box body is provided with a limiting lug boss used for limiting the piston plate; a strip-shaped bulge used for limiting the piston plate is arranged on the cavity wall of the cooling liquid cavity close to the inlet; an extrusion cavity is arranged in the inner bottom surface of the cooling box body, and a communicating pipe is arranged between the extrusion cavity and the cooling liquid cavity; be equipped with a plurality of through-holes that communicate with the extrusion chamber on the interior bottom surface of cooling box body, be equipped with the elastic layer in the through-hole, after the coolant liquid got into the through-hole, the elastic layer can upwards be bloated under the coolant liquid effect and power adapter contact, and the surface of the elastic layer after the bloated is higher than the interior bottom surface of cooling box body.
2. The cooling box for the power adapter of the notebook computer according to claim 1, wherein a re-cooling cavity is further arranged in the inner bottom surface of the cooling box body, and a refrigerating sheet is arranged in the circumferential direction of the re-cooling cavity; a soft water bag is arranged in the re-cooling cavity, and a liquid through pipe for introducing liquid into the extrusion cavity is arranged on the soft water bag; an extrusion plate for extruding the soft water bag is arranged in one side of the secondary cooling cavity, which is far away from the liquid through pipe, a push rod is arranged on the extrusion plate, and one end of the push rod extends out of the cooling box body; a communicating hole is also arranged between the re-cooling cavity and the extrusion cavity, a hollow conical rubber sleeve is arranged in the communicating hole, the tip end of the conical rubber sleeve faces the re-cooling cavity, and a water through hole which can be opened by the extrusion of the cooling liquid in the extrusion cavity is arranged at the tip end of the conical rubber sleeve; a hose is arranged between the tip part of the conical rubber sleeve and the soft water sac.
3. The cooling box for a power adapter of a notebook computer as claimed in claim 2, wherein the elastic restoring member is a spring.
4. The cooling box for a power adapter of a notebook computer as claimed in claim 1, wherein the elastic layer is a rubber layer.
5. The cooling box for a power adapter of a notebook computer as claimed in claim 4, wherein the elastic layer is curved in an upward direction toward the upper surface of the cooling box body.
6. The use method of the cooling box for the power adapter of the notebook computer as claimed in claim 2, is characterized by comprising the following steps:
step one, primary cooling: aligning the input and output lines at the two ends of the power adapter with the U-shaped grooves on the cooling box body respectively; then obliquely placing the power adapter into the cooling box body, and respectively extruding the piston plates on the two sides of the cooling box body by the two sides of the power adapter; the piston plate extrudes the cooling liquid in the cooling liquid cavity, the cooling liquid enters the extrusion cavity through the communicating pipe and flows into the through hole, so that the elastic layer is upwards bulged to be contacted with the power adapter, and the surface of the bulged elastic layer is higher than the inner bottom surface of the cooling box body;
step two, re-cooling: pressing the power adapter downwards every 20-30 minutes; the cooling liquid in the extrusion cavity expands the limber holes and enters the soft water sac; the cooling plate cools the cooling liquid in the soft water bag; then promote the push rod, the push rod promotes the stripper plate, and the stripper plate extrudees soft water pocket, and the coolant liquid in the soft water pocket enters into the extrusion intracavity through leading to the liquid pipe, and then enters into the through-hole again for the elastic layer upwards swells and power adapter contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167671.5A CN108508997B (en) | 2018-02-28 | 2018-02-28 | Cooling box for notebook computer power adapter and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167671.5A CN108508997B (en) | 2018-02-28 | 2018-02-28 | Cooling box for notebook computer power adapter and use method thereof |
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| Publication Number | Publication Date |
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| CN108508997A CN108508997A (en) | 2018-09-07 |
| CN108508997B true CN108508997B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810167671.5A Active CN108508997B (en) | 2018-02-28 | 2018-02-28 | Cooling box for notebook computer power adapter and use method thereof |
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|---|---|---|---|---|
| CN102981589A (en) * | 2012-11-21 | 2013-03-20 | 王奉瑾 | Power adapter |
| CN203424626U (en) * | 2013-06-26 | 2014-02-12 | 于红勇 | Semiconductor refrigeration type seat cushion |
| CN104007802A (en) * | 2014-06-09 | 2014-08-27 | 常州市武进翔宇电子元器件有限公司 | Power adapter having heat dissipation function |
| CN204650420U (en) * | 2015-02-06 | 2015-09-16 | 南阳医学高等专科学校 | A kind of laptop adapter |
| CN105138097A (en) * | 2015-08-20 | 2015-12-09 | 汪红芳 | Laptop power adapter cooling box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4020725B2 (en) * | 2002-07-29 | 2007-12-12 | 富士通株式会社 | Electronic equipment with energy-saving cooling system |
| CN2786690Y (en) * | 2004-10-27 | 2006-06-07 | 熊溦 | Cool gasket for notebook computer |
| TW200947188A (en) * | 2008-05-01 | 2009-11-16 | Acer Inc | Liquid cooling heat dissipating device |
| TWI548976B (en) * | 2013-07-18 | 2016-09-11 | 宏碁股份有限公司 | Cycling heat dissipation module |
| CN104516469A (en) * | 2013-09-30 | 2015-04-15 | 西安微媒软件有限公司 | Laptop power adapter |
| CN106095142B (en) * | 2016-06-27 | 2019-04-26 | 广州迈派电子有限公司 | Water-cooling mouse |
| CN107544647A (en) * | 2017-09-20 | 2018-01-05 | 苏州聚力电机有限公司 | A kind of notebook radiator |
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2018
- 2018-02-28 CN CN201810167671.5A patent/CN108508997B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981589A (en) * | 2012-11-21 | 2013-03-20 | 王奉瑾 | Power adapter |
| CN203424626U (en) * | 2013-06-26 | 2014-02-12 | 于红勇 | Semiconductor refrigeration type seat cushion |
| CN104007802A (en) * | 2014-06-09 | 2014-08-27 | 常州市武进翔宇电子元器件有限公司 | Power adapter having heat dissipation function |
| CN204650420U (en) * | 2015-02-06 | 2015-09-16 | 南阳医学高等专科学校 | A kind of laptop adapter |
| CN105138097A (en) * | 2015-08-20 | 2015-12-09 | 汪红芳 | Laptop power adapter cooling box |
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| CN108508997A (en) | 2018-09-07 |
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Effective date of registration: 20200925 Address after: 244000 floor 6, complex building, No. 5555, south section of Lingjiang Avenue, Tongling City, Anhui Province Patentee after: Zhongyang Electric Power Technology Co.,Ltd. Address before: The streets of Taoyuan Changshou District of Chongqing City Road 401220 Bodhi Xisi No. 2 building 57 1-1 Patentee before: CHONGQING BUTIEMAO E-COMMERCE Co.,Ltd. |
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