CN108337861B - Filter protection device - Google Patents
Filter protection device Download PDFInfo
- Publication number
- CN108337861B CN108337861B CN201810154225.0A CN201810154225A CN108337861B CN 108337861 B CN108337861 B CN 108337861B CN 201810154225 A CN201810154225 A CN 201810154225A CN 108337861 B CN108337861 B CN 108337861B
- Authority
- CN
- China
- Prior art keywords
- shell
- filter
- tightener
- protection device
- fixing
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a filter protection device, which comprises a shell, an upper cover, a plurality of first supporting rods and a plurality of second supporting rods, fixing pieces, a heat conduction pipe and a cold air pipe, a temperature detector and a flow regulating device, wherein the first supporting rods and the second supporting rods are arranged in the shell; casing both sides bottom all is equipped with a plurality of louvre, covers on and is equipped with two inserted blocks, all is equipped with on each fixed plate with inserted sheet matched with jack, thermodetector and flow regulation device connect, thermodetector is fixed in on the heat pipe extends to the outer tip of casing. The invention has the characteristics of enabling the filter to work at constant temperature and having good sealing performance.
Description
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a filter protection device which can enable a filter to work at a constant temperature and has good sealing performance.
Background
The filter is a filter circuit consisting of a capacitor, an inductor and a resistor; the filter can effectively filter the frequency point of the specific frequency in the circuit or the frequencies except the frequency point to obtain a power supply signal of the specific frequency or eliminate the power supply signal of the specific frequency.
Because the filter generates certain heat in the running process, if the temperature is not lowered and the heat is dissipated in time, the sensitivity of the filter is interfered, and the service lives of the shell and the internal components of the filter are shortened; in addition, the filter can work continuously in a short time under the condition of large temperature difference, and the sensitivity of the filter is also interfered, so that the working requirement can not be met. Therefore, it is imperative to design a filter protection device that can make the filter work at a constant temperature and has good sealing performance to meet the needs of users.
Disclosure of Invention
The invention provides a filter protection device which can enable a filter to work at a constant temperature and has good sealing property, and aims to overcome the problems that the service life of internal components is influenced due to poor heat dissipation and poor sealing property of a traditional filter shell in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a filter protection device comprises a shell, an upper cover, a plurality of first supporting rods and a plurality of second supporting rods, fixing pieces, a heat conduction pipe and a cold air pipe, a temperature detector and a flow adjusting device, wherein the first supporting rods and the second supporting rods are arranged in the shell; casing both sides bottom all is equipped with a plurality of louvre, covers on and is equipped with two inserted blocks, all is equipped with on each fixed plate with inserted sheet matched with jack, thermodetector and flow regulation device connect, thermodetector is fixed in on the heat pipe extends to the outer tip of casing.
In the invention, the first support rod and the second support rod play a role in supporting internal electronic components, and the temperature detector and the flow regulating device are used for regulating the working environment temperature of the electronic components in the filter and ensuring that the sensitivity of the filter is not interfered. The invention has the characteristics of enabling the filter to work at constant temperature and having good sealing performance.
Preferably, the temperature detector comprises a temperature sensing copper ring and an elliptical elastic ball, the temperature sensing copper ring comprises an upper semicircular copper sheet and a lower semicircular copper sheet connected with the elliptical elastic ball, a plurality of spiral temperature sensing copper wires capable of stretching up and down are arranged in the elliptical elastic ball, the lower portion of the elliptical elastic ball is connected with one end of the lever, and the upper semicircular copper sheet and the lower semicircular copper sheet are fixedly wrapped on the heat conduction pipe through pins.
Preferably, the flow regulating device comprises a tightener, a fixed cross rod arranged at the upper end of the tightener, a hollow control box arranged at the lower end of the tightener, an opening at the upper end of the control box, and a control rod arranged at the lower end of the tightener and capable of moving up and down along the upper end of the control box; the control box is provided with an elliptical control sheet connected with the control rod inside, the control box is positioned on the cold air pipe, the control sheet can be inserted into the cold air pipe, and the fixed cross rod is connected with the other end of the lever.
Preferably, the tightener comprises an upper connecting rod, a lower connecting rod and a connecting sleeve, wherein the connecting sleeve is respectively in threaded connection with the upper connecting rod and the lower connecting rod.
Preferably, each first supporting rod and each second supporting rod are distributed in a grid shape in a crossed mode. First branch and second branch have constituted a latticed support for support inside electronic components and keep apart inside electronic components and the effect of casing bottom surface direct contact, strengthen the radiating effect.
As preferred, all be equipped with the card hole on every inserted block, all be equipped with on the casing one side surface that each stationary blade was located with calorie hole matched with buckle. The buckle and the clamping hole are mutually matched, so that the sealing property between the upper cover and the shell is enhanced.
Preferably, each fixing sheet is provided with a first fixing hole, and edges of two sides of the upper cover are provided with second fixing holes with the same aperture as the first fixing holes. The first fixing hole and the second fixing hole are used for enabling the shell and the upper cover to be fixedly connected through bolts.
Preferably, the bottom of the shell is provided with a sucker which is fixedly connected with the shell. The sucking disc is used for strengthening the fixed between wave filter and the ground, avoids wave filter and ground direct contact simultaneously, avoids the wave filter to wet.
Therefore, the invention has the following beneficial effects: (1) the electronic components in the filter can work in a constant temperature environment for a long time, and the sensitivity of the filter is not interfered; (2) the sealing performance of the filter protection shell is improved, and the protection effect on electronic components in the filter is enhanced.
Drawings
FIG. 1 is a schematic view of a housing according to the present invention;
FIG. 2 is a schematic view of a structure of the upper cover of the present invention;
fig. 3 is a schematic view of a structure of the temperature detector and the flow rate adjusting device of the present invention.
In the figure: the temperature-sensing type temperature-sensing device comprises a shell 1, an upper cover 2, a first support rod 3, a second support rod 4, a fixing piece 5, a heat dissipation hole 6, an insertion block 7, an insertion hole 8, a clamping hole 9, a first fixing hole 10, a second fixing hole 11, a temperature detector 12, an air cooling pipe 13, a heat conduction pipe 14, a temperature-sensing copper ring 15, an elliptical elastic ball 16, a temperature-sensing copper wire 17, a lever 18, a tightener 19, a fixing cross rod 20, a control box 21, a control rod 22, a control piece 23, an upper connecting rod 24, a lower connecting rod 25 and a connecting sleeve 26.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and fig. 2, the filter protection device includes a housing 1, an upper cover 2, a plurality of first support rods 3 and a plurality of second support rods 4 disposed in the housing, fixing pieces 5 respectively disposed on edges of two sides of the top of the housing, a heat pipe 14 and a cold air pipe 13 disposed in the housing and extending to the outside of the housing, a temperature detector 12 and a flow regulator disposed on the outer side of the housing; casing both sides bottom all is equipped with a plurality of louvre 6, covers on and is equipped with two inserted blocks 7, all is equipped with on each fixed plate with inserted sheet matched with jack 8, thermodetector and flow regulation device connect, thermodetector is fixed in on the heat pipe extends to the outer tip of casing. The cross section of the shell is rectangular.
Each first supporting rod and each second supporting rod are distributed in a grid shape in a crossed mode. First branch and second branch have constituted a latticed support for support inside electronic components and keep apart inside electronic components and the effect of casing bottom surface direct contact, strengthen the radiating effect.
All be equipped with card hole 9 on every inserted block, all be equipped with on the casing one side surface that each stationary blade was located with card hole matched with buckle. The buckle and the clamping hole are mutually matched, so that the sealing property between the upper cover and the shell is enhanced. Each fixing plate is also provided with a first fixing hole 10, and the edges of the two sides of the upper cover are provided with a second fixing hole 11 with the same aperture as the first fixing hole. The first fixing hole and the second fixing hole are used for enabling the shell and the upper cover to be fixedly connected through bolts.
In addition, the bottom of the shell is also provided with a sucker which is fixedly connected with the shell. The sucking disc is used for strengthening the fixed between wave filter and the ground, avoids wave filter and ground direct contact simultaneously, avoids the wave filter to wet.
As shown in fig. 3, the temperature detector comprises a temperature sensing copper ring 15 and an elliptical elastic ball 16, the temperature sensing copper ring comprises an upper semicircular copper sheet and a lower semicircular copper sheet connected with the elliptical elastic ball, a plurality of spiral temperature sensing copper wires 17 capable of stretching up and down are arranged in the elliptical elastic ball, the lower portion of the elliptical elastic ball is connected with one end of a lever 18, and the upper semicircular copper sheet and the lower semicircular copper sheet are fixedly wrapped on the heat conduction pipe through pins.
The flow regulating device comprises a tightener 19, a fixed cross rod 20 arranged at the upper end of the tightener, a hollow control box 21 arranged at the lower end of the tightener, an opening at the upper end of the control box, and a control rod 22 arranged at the lower end of the tightener and capable of moving up and down along the upper end of the control box; an oval control sheet 23 connected with the control rod is arranged in the control box, the control box is positioned on the cold air pipe 13, the control sheet can be inserted into the cold air pipe, and the fixed cross rod is connected with the other end of the lever. The tightener comprises an upper connecting rod 24, a lower connecting rod 25 and a connecting sleeve 26, which is respectively in threaded connection with the upper connecting rod and the lower connecting rod.
The heat conduction pipe extends into the filter protection device for heat transfer, the temperature detector is used for detecting the temperature of the heat conduction pipe, so that the temperature in the filter protection device is indirectly detected, when electronic components of the filter start to work and generate heat, and the temperature in the filter protection device rises, the heat conduction pipe is heated to transfer the heat to the temperature sensing copper ring, the temperature sensing copper ring transfers the heat to the elliptical elastic ball, the temperature sensing copper wire expands and extends, so that the elliptical elastic ball extends, one end of the lever moves downwards, the other end of the blocking rod is driven to move upwards, the control sheet is driven to move upwards, the flow of cold air passing through the cold air pipe is increased, the amount of cold air flowing out is increased, and the temperature in the closed chamber is automatically kept stable;
when the temperature in the filter protection device is reduced, the temperature sensing copper wire is gradually shortened, so that the elliptical elastic ball is shortened, one end of the lever moves upwards, the other end of the blocking rod is driven to move downwards, the control sheet is driven to move downwards, the flow of cold air passing through the cold air pipe is reduced, the amount of cold air flowing out is reduced, and the temperature in the filter protection device is automatically kept stable.
The use mode of the invention is as follows:
place the electronic components of wave filter on first branch and second branch constitution net support frame, cover the upper cover, make two inserted blocks of covering, insert respectively in the jack on two stationary blades of casing both sides, make each stationary blade and upper cover surface laminating simultaneously, with the buckle on the casing one side surface that each stationary blade was located, stretch into the jack on the inserted block and carry out the lock, through using the bolt at last, through first fixed orifices and second fixed orifices, carry out fixed connection with casing and upper cover. The input and the output of the filter are connected in and out through the lead wires through the heat dissipation holes.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. A filter protection device is characterized by comprising a shell (1), an upper cover (2), a plurality of first supporting rods (3) and a plurality of second supporting rods (4) which are arranged in the shell, fixing pieces (5) which are respectively arranged on the edges of two sides of the top of the shell, a heat conduction pipe (14) and a cold air pipe (13) which are arranged in the shell and extend out of the shell, and a temperature detector (12) and a flow regulating device which are arranged on the outer side surface of the shell; the bottom of two sides of the shell is provided with a plurality of heat dissipation holes (6), the temperature detector is connected with the flow regulating device, the temperature detector is fixed on the end part of the heat conduction pipe extending out of the shell, the flow regulating device comprises a tightener (19), a fixed cross rod (20) arranged at the upper end of the tightener, a hollow control box (21) arranged at the lower end of the tightener, the upper end of the control box is opened, and a control rod (22) arranged at the lower end of the tightener can move up and down along the upper end of the; an oval control sheet (23) connected with the control rod is arranged in the control box, the control box is positioned on the cold air pipe, the control sheet can be inserted into the cold air pipe, and the fixed cross rod is connected with the other end of the lever.
2. The filter protection device of claim 1, wherein the temperature detector comprises a temperature sensing copper ring (15) and an elliptical elastic ball (16), the temperature sensing copper ring comprises an upper semicircular copper sheet and a lower semicircular copper sheet connected with the elliptical elastic ball, a plurality of spiral temperature sensing copper wires (17) capable of extending up and down are arranged in the elliptical elastic ball, the lower part of the elliptical elastic ball is connected with one end of a lever (18), and the upper semicircular copper sheet and the lower semicircular copper sheet are fixedly wrapped on the heat conduction pipe through pins.
3. Filter protection device according to claim 1, wherein the tightener comprises an upper connecting rod (24), a lower connecting rod (25) and a connecting sleeve (26) screwed to the upper connecting rod and the lower connecting rod, respectively.
4. The filter protector of claim 1, wherein the first struts and the second struts are arranged in a grid across each other.
5. The filter protector according to claim 1, wherein the upper cover is provided with two insertion pieces (7), each fixing piece is provided with an insertion hole (8) matched with the insertion piece, each insertion piece is provided with a clamping hole (9), and the outer surface of one side of the shell where each fixing piece is located is provided with a buckle matched with the clamping hole.
6. The filter protector according to claim 1 or 2 or 3 or 4 or 5, wherein each fixing plate is provided with a first fixing hole (10), and the edges of the two sides of the upper cover are provided with second fixing holes (11) having the same diameter as the first fixing holes.
7. The filter protection device of claim 1 or 2 or 3 or 4 or 5, wherein a suction cup is arranged at the bottom of the shell and fixedly connected with the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154225.0A CN108337861B (en) | 2018-02-22 | 2018-02-22 | Filter protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154225.0A CN108337861B (en) | 2018-02-22 | 2018-02-22 | Filter protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108337861A CN108337861A (en) | 2018-07-27 |
| CN108337861B true CN108337861B (en) | 2020-02-21 |
Family
ID=62929653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810154225.0A Active CN108337861B (en) | 2018-02-22 | 2018-02-22 | Filter protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108337861B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080924B (en) * | 2018-08-30 | 2024-04-16 | 惠州攸特电子股份有限公司 | Filter shell labeling equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391396Y (en) * | 1999-07-14 | 2000-08-09 | 台达电子工业股份有限公司 | External shell for socket type power-supply filter |
| CN102612299A (en) * | 2012-02-15 | 2012-07-25 | 武汉华海通用电气有限公司 | Power device heat pipe heat-removal system with controlled cooling air volume |
| CN102722199A (en) * | 2012-07-06 | 2012-10-10 | 上海交通大学 | Refrigeration cooling device for biological electrophoresis apparatus |
| CN205248045U (en) * | 2015-11-23 | 2016-05-18 | 天津市方圆电气设备有限公司 | A supplementary heat abstractor for transformer |
| CN105633968A (en) * | 2016-03-28 | 2016-06-01 | 成都天进仪器有限公司 | Safe and reliable active power filtering device of smart power grid |
| CN205354802U (en) * | 2016-02-18 | 2016-06-29 | 山东克曼特电气集团有限公司 | Automatic radiating transformer |
| CN206472112U (en) * | 2017-01-26 | 2017-09-05 | 合肥博仑微波器件有限公司 | A kind of water proof radiating passive filter |
| CN107482883A (en) * | 2016-03-22 | 2017-12-15 | 国网山东省电力公司龙口市供电公司 | Power inverter with circuit protection device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202617590U (en) * | 2012-06-29 | 2012-12-19 | 东莞市科仕达电源设备有限公司 | Network machine cabinet |
| JP2015211088A (en) * | 2014-04-24 | 2015-11-24 | 富士通株式会社 | Device and system |
| CN205093054U (en) * | 2015-10-12 | 2016-03-16 | 深圳市汉古风科技有限公司 | Efficient cooling filter |
| CN205430878U (en) * | 2016-04-06 | 2016-08-03 | 徐州工程学院 | Active power filter auxiliary device |
| CN105824380B (en) * | 2016-05-26 | 2019-01-18 | 绥化学院 | The main frame cooling system of automatic control |
| CN106237796B (en) * | 2016-08-29 | 2018-12-04 | 江苏沛源泵业制造有限公司 | A kind of dehumidifying mode filter apparatus for placing |
| CN106304792B (en) * | 2016-09-17 | 2018-12-04 | 浙江国正安全技术有限公司 | A kind of high pressure harmonic management filter cooling and heat dissipation device |
| CN206332973U (en) * | 2017-01-11 | 2017-07-14 | 北京华戎天创超导科技发展有限公司 | A kind of circuit heat abstractor for super conductive filter |
| CN206461359U (en) * | 2017-02-16 | 2017-09-01 | 科姆勒电气（安徽）有限公司 | Outdoor Active Power Filter-APF |
| CN206490656U (en) * | 2017-02-27 | 2017-09-12 | 苏州宝迈通讯科技有限公司 | Filter housing |
| CN207588815U (en) * | 2018-02-22 | 2018-07-06 | 德清利维通讯科技股份有限公司 | Filter protection shell |
-
2018
- 2018-02-22 CN CN201810154225.0A patent/CN108337861B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391396Y (en) * | 1999-07-14 | 2000-08-09 | 台达电子工业股份有限公司 | External shell for socket type power-supply filter |
| CN102612299A (en) * | 2012-02-15 | 2012-07-25 | 武汉华海通用电气有限公司 | Power device heat pipe heat-removal system with controlled cooling air volume |
| CN102722199A (en) * | 2012-07-06 | 2012-10-10 | 上海交通大学 | Refrigeration cooling device for biological electrophoresis apparatus |
| CN205248045U (en) * | 2015-11-23 | 2016-05-18 | 天津市方圆电气设备有限公司 | A supplementary heat abstractor for transformer |
| CN205354802U (en) * | 2016-02-18 | 2016-06-29 | 山东克曼特电气集团有限公司 | Automatic radiating transformer |
| CN107482883A (en) * | 2016-03-22 | 2017-12-15 | 国网山东省电力公司龙口市供电公司 | Power inverter with circuit protection device |
| CN105633968A (en) * | 2016-03-28 | 2016-06-01 | 成都天进仪器有限公司 | Safe and reliable active power filtering device of smart power grid |
| CN206472112U (en) * | 2017-01-26 | 2017-09-05 | 合肥博仑微波器件有限公司 | A kind of water proof radiating passive filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108337861A (en) | 2018-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105846325B (en) | A kind of good distribution box that radiates | |
| CN111426891B (en) | Cooling and heating device for electronic equipment test and control method thereof | |
| CN108337861B (en) | Filter protection device | |
| CN206076762U (en) | A kind of looped network switch apparatus | |
| CN107833746B (en) | Capacitor radiator | |
| CN211552106U (en) | Cooling and heating device for electronic equipment test | |
| CN207233523U (en) | Heat radiating type prepayment intelligent combination transformer | |
| CN109874274A (en) | A kind of signal detection apparatus based on computer network | |
| CN109067296A (en) | A kind of frequency converter cabinet of modified form | |
| CN211405068U (en) | Good heat dissipation's switch board | |
| CN107302841B (en) | Automatic heat radiation Switching Power Supply | |
| CN209980167U (en) | Computer cabinet | |
| CN210579862U (en) | Heat dissipation type electrical cabinet for electrical engineering and automation | |
| CN210630119U (en) | Network switch with heat radiation structure | |
| CN204761484U (en) | Intelligence semiconductor cell -phone heat abstractor | |
| CN212486675U (en) | Novel 5G communication base station equipment | |
| CN208046059U (en) | A kind of distribution box convenient for heat dissipation ventilation | |
| CN113207264A (en) | Power supply heat dissipation device and power supply | |
| CN220135747U (en) | Gas water heater with good exhaust effect | |
| CN108601269A (en) | A kind of communication apparatus and its center radiator structure | |
| CN209071808U (en) | A kind of water proof type Laser Power Devices | |
| CN220985526U (en) | CUC type power filter capable of rapidly exhausting heat | |
| CN208315677U (en) | A kind of anti-aging heating device | |
| CN208045972U (en) | A kind of novel electric switch cabinet | |
| CN220553991U (en) | Photovoltaic module high temperature mechanical load testing arrangement |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200511 Address after: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: 313200 Zhejiang city of Huzhou province Deqing County Economic Development Zone Deqing Unshu Road No. 1200 Patentee before: DEQING LIWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200810 Address after: Room 115, building 2, 411 Qianqian Road, Jinhui Town, Fengxian District, Shanghai 201400 Patentee after: CHINA ROLLAY ELECTRIC (SHANGHAI) Co.,Ltd. Address before: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee before: Huzhou You Yan Intellectual Property Service Co.,Ltd. |
|
| TR01 | Transfer of patent right |