CN201622910U - Insulated shell used for annular magnetic core - Google Patents
Insulated shell used for annular magnetic core Download PDFInfo
- Publication number
- CN201622910U CN201622910U CN 201020102936 CN201020102936U CN201622910U CN 201622910 U CN201622910 U CN 201622910U CN 201020102936 CN201020102936 CN 201020102936 CN 201020102936 U CN201020102936 U CN 201020102936U CN 201622910 U CN201622910 U CN 201622910U
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- lower cover
- dividing plate
- container cavity
- winding
- toroidal core
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Abstract
The utility model discloses an insulated shell used for an annular magnetic core, which comprises a shell body made of insulated materials, wherein the shell body is mainly formed by buckling an upper cover and a lower cover, an annular groove is respectively arranged in the upper cover and the lower cover, and a sealed annular accommodating chamber used for placing the magnetic core is formed after the covers are correspondingly buckled; the end surfaces of the upper cover and the lower cover are respectively provided with corresponding through holes, the hole edges of the through holes extend towards the inner side of respective cover body to form the inner groove wall of respective annular groove, then the inner wall of the accommodating chamber is formed, and the outer wall of the accommodating chamber is formed by bucking the outer groove wall of the annular groove. The utility model increases the creepage distance and the air gap between the magnetic core and a winding, extends the insulation distance manifold under the condition of not reducing the coupling factor, enhances the insulation between the winding and the magnetic core, and can bear higher voltage; and the volume can be further reduced under the condition of not increasing the volume of a transformer, and the transformer is made into a module to be arranged on a circuit board to meet the strict installation standard requirement, which brings convenience for on-site installation and construction.
Description
Technical field
The utility model belongs to the transformer technology field, and particularly a kind of toroidal core insulation crust can increase creepage distance and space length, satisfies between the winding of transformer, the High-Voltage Insulation insulation request between winding and the magnetic core.
Background technology
The transformer (comprising many winding inductances) that is used for high pressure or isolation has power transmission, voltage transformation and insulation usually and isolates three functions.At present, what the electronic transformer use was maximum is the transformer with toroidal core, as shown in Figure 1, it is the toroidal core 1 of transformer, its insulation is isolated the general winding conducting wire 2 insulation coat of paints (comprising the multilayer insulation line) that only rely on own and is realized, do not add other isolation structure, the advantage of this kind structure is that coupling effect is good, but, at need high isolation voltage and having in the occasion of requirement of explosion proof, this isolation structure just exists bigger hidden danger, and security reliability is relatively poor, does not meet the safety standard of medical treatment or special occasions.
As shown in Figure 2, in the prior art, the structure that adopts materials (fire-protection rating ULV-0) such as PBT, DAP to seal magnetic core 1 is also arranged, buffer action by the shell 3 that is used to seal reaches isolation effect, yet there is following shortcoming in this kind structure: the housing of shell and the binding site between the lid have the slit, cause creepage distance short, withstand voltage lower, creepage distance is meant the beeline that the exhausted insulating surface in the edge on two adjacent conductors or a conductor and adjacent motor casing surface is measured; In order to address the above problem, existing method is to handle with the insulating cement embedding, still, even this technology also can't guarantee air is discharged and realized sealing fully under vacuum environment, therefore caused consistency of product poor, can't satisfy of the requirement of safety standard creepage distance.
As shown in Figure 3, it is the existing structure that adopts insulating tape 4 spirals to twine magnetic core 1, the complex manufacturing and the cost of this structure are higher, especially for the large scale magnet ring, even use automatic adhesive tape wrapping machine that magnet ring is twined multilayer, also can only satisfy the isolation between magnetic core and the winding, but can't guarantee the isolation between the winding.
In addition, rely on insulation to guarantee the occasion of safety in high pressure isolation applications occasion or safety standard code, technical measures commonly used are to adopt photoelectricity to isolate or the magnetoelectricity isolation, in the prior art, often adopt the volume that strengthens magnetic core to obtain the safe insulation distance, still, this technical measures have caused the excessive defective of volume of transformer, make the addressing of transformer installing space not only will be restricted, and brought inconvenience to installation.
The utility model content
The purpose of this utility model provides a kind of toroidal core insulation crust, can increase between each winding under the situation that does not reduce coupling coefficient, creepage distance and space length between each winding and the magnetic core, the reinforced insulation effect.
The technical solution of the utility model can realize by following technical measures, a kind of toroidal core insulation crust, comprise the housing of making by insulating material, it is characterized in that described housing is mainly formed by loam cake and lower cover fastening, have annular groove in described loam cake and the lower cover respectively, be formed for placing the closed annular container cavity of magnetic core after corresponding the fastening; Described loam cake has corresponding through hole with the end face of lower cover, the peritreme of described through hole is extended in lid separately and is formed the internal groove side wall of annular groove separately respectively, promptly constitute the inwall of described container cavity, the outer wall of container cavity then is made of the external groove sidevall fastening of annular groove.
The utility model adopts the shell with annular container cavity, outer surface at shell twines lead formation winding, shell creepage distance and the air gap that has increased between magnetic core and the winding be set, under the situation that does not reduce coupling coefficient, prolong insulation distance at double, strengthen the insulation between winding and magnetic core, and can tolerate more high voltage; Adopt increase volume of transformer reinforced insulation to compare with prior art, under the situation that does not increase volume of transformer, also can further reduce volume, so that transformer is made module to be installed in the circuit board, saved the space greatly, can satisfy strict safety standard-required, also be convenient to on-the-spot installation.
As a kind of execution mode of the present utility model, corresponding overlapping between the internal groove side wall of described loam cake and the annular groove of lower cover and/or the external groove sidevall, lap is made by the different insulative material.Between this internal groove side wall with external groove sidevall between corresponding overlapping structure form U type creepage distance, this double-deck isolation structure has increased creepage distance and the air gap between magnetic core and the winding; Lap adopts the different insulative material, can realize the double hyer insulation effect.
As a kind of improvement of the present utility model, be provided with dividing plate in the space that inwall surrounded of described container cavity, described dividing plate vertically is arranged on this and surrounds in the space as the usefulness of isolating each winding.The utility model is when coiling, and lead lays out to be wrapped on the housing in the space that dividing plate is separated, and can isolate each winding and be positioned at the part of surrounding the space, makes between each winding and insulate.
As a kind of execution mode of the present utility model, vertically be respectively equipped with demarcation strip in the space that internal groove side wall surrounded of described loam cake and lower cover annular groove, described demarcation strip docks up and down and forms described dividing plate.
As preferred implementation of the present utility model, vertically be provided with the demarcation strip of double-deck platy structure one of in described loam cake and the lower cover in the space that internal groove side wall surrounded of annular groove, form socket between the two plate faces; Be provided with the demarcation strip of single layer structure in another lid, during fastening, this demarcation strip is inserted into and forms described dividing plate in the described socket.This structure can strengthen between winding and insulate.
The utility model can be done following improvement, and described dividing plate extends and give prominence to the end face of loam cake and/or lower cover to the two ends of container cavity, and forms boss on end face, and described boss is along the elongated setting of described end face.Boss can be isolated the part that winding is positioned on the housing end face, further strengthens the insulation effect between winding, and the thickness of the utility model median septum and the height of boss can be set as the case may be, to satisfy the requirement of creepage distance and space length.
As further improvement of the utility model, in described container cavity, be filled with insulating cement or buffering powder, realize buffer protection and reinforced insulation performance to magnetic core.
The utlity model has following execution mode;
Described dividing plate is 1, and the separated by spaces of surrounding of container cavity inwall becomes the winding region with 2 space structures.
Described dividing plate is 2, and these 2 dividing plates are intersect to be arranged, the container cavity inwall surround the winding region that separated by spaces becomes to have 4 space structures.
Described dividing plate is 3, and the inner edge of these 3 dividing plates joins, and the separated by spaces of surrounding of container cavity inwall becomes the winding region with 3 space structures.
The longitudinal cross-section of container cavity described in the utility model is shaped as circle, ellipse, square etc., so that be applicable to the magnetic core that various cross sections are different.
Compared with prior art, the utlity model has following significant effect:
(1) the utility model is sleeved on insulating material with magnetic core and makes and have in the shell of annular container cavity, coiling forms winding on shell, need not increase the volume of transformer, be implemented in the creepage distance and the space length that increase under the situation that does not reduce coupling coefficient between winding and the magnetic core, with the reinforced insulation effect.
(2) the utility model is provided with dividing plate in the space that annular container cavity inwall is surrounded, and has increased creepage distance and space length between each winding, realizes the insulation between each winding, forms between the winding generally, the effective isolation between magnetic core and the winding.
(3) compared with prior art, further reduced volume also on the basis that does not increase volume of transformer, transformer can be made module installs in the circuit board, saved the space greatly, satisfy strict safety standard-required, make that transformer installation addressing is more easy, also be convenient to on-the-spot installation.
(4) cost of the present utility model is lower, is suitable for automatically or manual coiling, can satisfy small lot specific customization product or large-scale production.
(5) the utility model manufacturability is better, can guarantee consistency of product.
(6) boss of the present utility model can further strengthen the insulation effect between each winding, and the height of boss can be set as the case may be.
(7) can fill elastic insulating material in the container cavity, reach the effect of buffer protection magnetic core, and the air-out reinforced insulation.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation that existing magnetic core relies on winding conducting wire insulation coat of paint itself to insulate;
Fig. 2 is the structural representation that existing magnetic core relies on shell to insulate;
Fig. 3 is the structural representation that existing magnetic core relies on insulating tape to insulate;
Fig. 4 is the installation diagram of the utility model embodiment 1;
Fig. 5 is embodiment 1 vertical view of the present utility model;
Fig. 6 is along B-B line profile among Fig. 5;
Fig. 7 is along A-A line profile among Fig. 5;
The stereogram of Fig. 8 the utility model embodiment 2;
Fig. 9 is the vertical view of the utility model embodiment 3;
Figure 10 is the vertical view of the utility model embodiment 4;
Figure 11 is the stereogram of the utility model embodiment 5.
Embodiment
Shown in Fig. 4～7, it is a kind of toroidal core insulation crust of the utility model, comprise the housing of making by insulating material, housing is mainly fastened by loam cake 51 and lower cover 52 and forms, have annular groove 51a, 52a respectively in loam cake 51 and the lower cover 52, be formed for placing the closed annular container cavity of magnetic core 10 after corresponding the fastening; Loam cake 51 has corresponding through hole with the end face of lower cover 52, the peritreme of through hole is extended in lid separately and is formed internal groove side wall 51a ', the 52a ' of annular groove separately respectively, promptly constitute the inwall of container cavity, the outer wall of container cavity then is made of external groove sidevall 51b, the 52b fastening of annular groove 51a, 52a, the internal groove side wall 51a ' of loam cake 51 annular grooves and overlapping fully with the internal groove side wall 52a ' of lower cover 52 annular grooves, and the external groove sidevall 52b of the external groove sidevall 51b of loam cake 51 and lower cover 52 is also overlapping fully.
Be provided with dividing plate 8 in the space that inwall surrounded of container cavity, dividing plate 8 vertically is arranged on this and surrounds in the space as the usefulness of isolating each winding, in the present embodiment, vertically be provided with in the space that the internal groove side wall 51a ' of loam cake 51 annular grooves is surrounded between demarcation strip 6, the two plate faces of double-deck platy structure and form socket; Be provided with the demarcation strip 7 of single layer structure in the lower cover 52, during fastening, this demarcation strip 7 is inserted into and forms dividing plate 8 in the socket, and this dividing plate 8 is with winding region 8a, the 8b that separated by spaces becomes to have 2 space structures that surround of container cavity inwall; Demarcation strip 6 and demarcation strip 7 can be made by the different insulative material.
In the present embodiment, loam cake is enclosed within outward on the lower cover, and therefore, the annular groove of lower cover directly holds magnetic core, before putting into magnetic core, in lower cover, fill insulating cement or buffering powder, the magnetic core bumper and absorbing shock is protected with realization, and the air-out reinforced insulation, fasten loam cake again, form complete core assembly; During coiling, enamelled wire or multilayer insulation line form winding from winding region 8a, 8b around shell respectively, and at end face with boss 9 as at interval, guarantee to have enough spacing distances between each winding, when wherein one the tunnel being damaged or when burning, not influencing other winding, short circuit between more can not causing input and exporting, guarantee the security reliability under the particular surroundings well, can realize voltage height, multichannel output and multichannel isolation output.The height of boss 9 and size are by the size and the winding thickness decision of magnetic core.
Embodiment 2
As shown in Figure 8, the difference of present embodiment and embodiment 1 is: dividing plate is 3, the inner edge of these 3 dividing plates joins, form 120 ° of angles between each dividing plate, the container cavity inwall surround winding region 8a, 8b and the 8c that separated by spaces becomes to have 3 space structures, correspondingly, dividing plate forms boss 9a, 9b and 9c at the end face of loam cake and lower cover, during coiling, lead forms winding from winding region 8a, 8b and 8c around shell respectively, and at end face with boss 9a, 9b and 9c as at interval.
Embodiment 3
As shown in Figure 9, the difference of present embodiment and embodiment 1 is: dividing plate is 3, in embodiment 1 on original dividing plate 8, set up two vertical dividing plates 11,12, this dividing plate 11,12 inner edge is connected on the dividing plate 8, the separated by spaces of surrounding of container cavity inwall becomes the winding region 8a with 4 space structures, 8b, 8c and 8d, correspondingly, dividing plate 8,11,12 end faces at loam cake and lower cover form boss 9a, 9b, 9c and 9d, during coiling, lead is respectively from winding region 8a, 8b, 8c and 8d form winding on shell, and at end face with boss 9a, 9b, 9c and 9d are as the interval.
Embodiment 4
As shown in figure 10, the difference of present embodiment and embodiment 1 is: dividing plate 8 is 2, in embodiment 1 on original dividing plate 8, set up 1 vertical dividing plate 13, the inner edge of this dividing plate 13 is connected on the dividing plate 8, wherein winding region symmetry among the embodiment 1 is divided into two, and therefore, the separated by spaces of surrounding of container cavity inwall becomes winding region 8a, 8b and the 8c with 3 space structures.
Embodiment 5
As shown in figure 11, the difference of present embodiment and embodiment 1 is: dividing plate 8 is 2, and these 2 dividing plates are decussation to be arranged, the container cavity inwall surround winding region 8a, 8b, 8c and the 8d that separated by spaces becomes to have 4 space structures.
As other execution mode, vertically be respectively equipped with demarcation strip in the space that internal groove side wall surrounded of loam cake and lower cover annular groove, demarcation strip docks the formation dividing plate up and down.Insulation crust of the present utility model uses Mold Making, can guarantee precision, and mould-injection process production efficiency height is saved and assembled man-hour, guarantees that dosing technology is not easy to overflow fast.
Execution mode of the present utility model is not limited thereto, according to foregoing of the present utility model, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite, the height of the utility model loam cake and lower cover lap can be decided as the case may be, this insulated part can be made by the different insulative material, realizes the double hyer insulation effect; The structure of the utility model dividing plate has numerous embodiments, can select for use according to actual conditions, and to realize isolation effects different between each winding, the thickness of dividing plate also can be set as the case may be.Therefore, the utility model can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.
Claims (10)
1. toroidal core insulation crust, comprise the housing of making by insulating material, it is characterized in that: described housing is mainly fastened by loam cake and lower cover and forms, and has annular groove in described loam cake and the lower cover respectively, is formed for placing the closed annular container cavity of magnetic core after corresponding the fastening; Described loam cake has corresponding through hole with the end face of lower cover, the peritreme of described through hole is extended in lid separately and is formed the internal groove side wall of annular groove separately respectively, promptly constitute the inwall of described container cavity, the outer wall of container cavity then is made of the external groove sidevall fastening of annular groove.
2. toroidal core insulation crust according to claim 1 is characterized in that: corresponding overlapping between the internal groove side wall of described loam cake and the annular groove of lower cover and/or the external groove sidevall, lap is made by the different insulative material.
3. toroidal core insulation crust according to claim 1 is characterized in that: be provided with dividing plate in the space that inwall surrounded of described container cavity, described dividing plate vertically is arranged on this and surrounds in the space as the usefulness of isolating each winding.
4. toroidal core insulation crust according to claim 3 is characterized in that: vertically be respectively equipped with demarcation strip in the space that internal groove side wall surrounded of described loam cake and lower cover annular groove, described demarcation strip docks up and down and forms described dividing plate.
5. toroidal core insulation crust according to claim 3 is characterized in that: vertically be provided with the demarcation strip of double-deck platy structure one of in described loam cake and the lower cover in the space that internal groove side wall surrounded of annular groove, form socket between the two plate faces; Be provided with the demarcation strip of single layer structure in another lid, during fastening, this demarcation strip is inserted into and forms described dividing plate in the described socket.
6. according to claim 4 or 5 described toroidal core insulation crusts, it is characterized in that: described dividing plate extends and gives prominence to the end face of loam cake and/or lower cover to the two ends of container cavity, and forms boss on end face, and described boss is along the elongated setting of described end face.
7. toroidal core insulation crust according to claim 6 is characterized in that: be filled with insulating cement or buffering powder in described container cavity.
8. toroidal core insulation crust according to claim 3 is characterized in that: described dividing plate is one, and the separated by spaces of surrounding of container cavity inwall becomes the winding region with two space structures.
9. toroidal core insulation crust according to claim 3 is characterized in that: described dividing plate is two, and these two dividing plates are intersect to be arranged, the container cavity inwall surround the winding region that separated by spaces becomes to have four space structures.
10. toroidal core insulation crust according to claim 3 is characterized in that: described dividing plate is three, and the inner edge of these three dividing plates joins, and the separated by spaces of surrounding of container cavity inwall becomes the winding region with three space structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020102936 CN201622910U (en) | 2010-01-25 | 2010-01-25 | Insulated shell used for annular magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020102936 CN201622910U (en) | 2010-01-25 | 2010-01-25 | Insulated shell used for annular magnetic core |
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| Publication Number | Publication Date |
|---|---|
| CN201622910U true CN201622910U (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201020102936 Expired - Lifetime CN201622910U (en) | 2010-01-25 | 2010-01-25 | Insulated shell used for annular magnetic core |
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| CN (1) | CN201622910U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969135A (en) * | 2012-11-21 | 2013-03-13 | 王奉瑾 | Ring-shaped transformer |
| CN104064328A (en) * | 2014-06-24 | 2014-09-24 | 无锡市崇安区科技创业服务中心 | Magnet ring insulation sleeve |
| CN105428036A (en) * | 2015-12-24 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | Transformer for heating high-voltage high-current lamp filaments |
| CN105723228A (en) * | 2013-09-10 | 2016-06-29 | 莫列斯有限公司 | Connector with sensor |
| CN106653322A (en) * | 2016-11-20 | 2017-05-10 | 江苏阜宁金宁三环富士电气有限公司 | Universal inductor |
| CN106653323A (en) * | 2016-11-20 | 2017-05-10 | 江苏阜宁金宁三环富士电气有限公司 | General specification inductor |
| CN107452490A (en) * | 2016-04-13 | 2017-12-08 | 沃思电子埃索斯有限责任两合公司 | Isolated element and circular column core inductor for circular column core inductor |
| GB2555832A (en) * | 2016-11-11 | 2018-05-16 | Murata Manufacturing Co | Housing for mounting a transformer to a substrate |
| CN108231385A (en) * | 2018-03-22 | 2018-06-29 | 国家海洋技术中心 | The ocean inductively underwater magnet ring of data transmission |
| CN109215942A (en) * | 2017-06-30 | 2019-01-15 | 株式会社丰田自动织机 | Inductance element and LC filter |
| CN109215997A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | A kind of current transformer and its current mutual inductor coil, iron core and iron core shell |
| CN110060846A (en) * | 2019-06-03 | 2019-07-26 | 南通国轩新能源科技有限公司 | A kind of iron core of transformer |
| CN110211782A (en) * | 2018-02-28 | 2019-09-06 | 翰昂汽车零部件有限公司 | Choke and receiving portion for choke |
| CN111554472A (en) * | 2020-05-26 | 2020-08-18 | 台达电子企业管理（上海）有限公司 | Filter inductance and vehicle-mounted charger |
| CN113077964A (en) * | 2021-03-03 | 2021-07-06 | 南京南瑞继保电气有限公司 | Dry-type high-frequency transformer |
-
2010
- 2010-01-25 CN CN 201020102936 patent/CN201622910U/en not_active Expired - Lifetime
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969135A (en) * | 2012-11-21 | 2013-03-13 | 王奉瑾 | Ring-shaped transformer |
| CN102969135B (en) * | 2012-11-21 | 2016-01-20 | 王奉瑾 | Toroidal transformer |
| CN105723228A (en) * | 2013-09-10 | 2016-06-29 | 莫列斯有限公司 | Connector with sensor |
| CN104064328A (en) * | 2014-06-24 | 2014-09-24 | 无锡市崇安区科技创业服务中心 | Magnet ring insulation sleeve |
| CN105428036A (en) * | 2015-12-24 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | Transformer for heating high-voltage high-current lamp filaments |
| CN105428036B (en) * | 2015-12-24 | 2017-07-21 | 中国航空工业集团公司北京航空制造工程研究所 | High-voltage great-current filament heating transformer |
| CN107452490B (en) * | 2016-04-13 | 2020-03-06 | 沃思电子埃索斯有限责任两合公司 | Insulating element for a toroidal column core inductor and toroidal column core inductor |
| US10276299B2 (en) | 2016-04-13 | 2019-04-30 | Würth Elektronik eiSos Gmbh & Co. KG | Isolating element for a toroidal core inductor, and toroidal core inductor |
| CN107452490A (en) * | 2016-04-13 | 2017-12-08 | 沃思电子埃索斯有限责任两合公司 | Isolated element and circular column core inductor for circular column core inductor |
| GB2555832A (en) * | 2016-11-11 | 2018-05-16 | Murata Manufacturing Co | Housing for mounting a transformer to a substrate |
| CN106653322B (en) * | 2016-11-20 | 2018-06-22 | 江苏阜宁金宁三环富士电气有限公司 | A kind of general inductance |
| CN106653323A (en) * | 2016-11-20 | 2017-05-10 | 江苏阜宁金宁三环富士电气有限公司 | General specification inductor |
| CN106653322A (en) * | 2016-11-20 | 2017-05-10 | 江苏阜宁金宁三环富士电气有限公司 | Universal inductor |
| CN109215942A (en) * | 2017-06-30 | 2019-01-15 | 株式会社丰田自动织机 | Inductance element and LC filter |
| CN109215997A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | A kind of current transformer and its current mutual inductor coil, iron core and iron core shell |
| CN109215942B (en) * | 2017-06-30 | 2021-08-27 | 株式会社丰田自动织机 | Inductance element and LC filter |
| CN110211782A (en) * | 2018-02-28 | 2019-09-06 | 翰昂汽车零部件有限公司 | Choke and receiving portion for choke |
| CN108231385A (en) * | 2018-03-22 | 2018-06-29 | 国家海洋技术中心 | The ocean inductively underwater magnet ring of data transmission |
| CN108231385B (en) * | 2018-03-22 | 2024-05-03 | 国家海洋技术中心 | Ocean inductively coupled data transmission underwater magnetic ring |
| CN110060846A (en) * | 2019-06-03 | 2019-07-26 | 南通国轩新能源科技有限公司 | A kind of iron core of transformer |
| CN111554472A (en) * | 2020-05-26 | 2020-08-18 | 台达电子企业管理（上海）有限公司 | Filter inductance and vehicle-mounted charger |
| CN113077964A (en) * | 2021-03-03 | 2021-07-06 | 南京南瑞继保电气有限公司 | Dry-type high-frequency transformer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 510663 Guangzhou Science City, Luogang District science Avenue, science and technology development center, Department of the Department of the 1st Street, No. 5 Patentee after: Guangzhou Jinshengyang Science & Technology Co., Ltd. Address before: 510760, 8, Cang Lian Industrial Park, Po Road South, Whampoa District, Guangdong, Guangzhou Patentee before: Guangzhou Jinshengyang Science & Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
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| CX01 | Expiry of patent term |