CN109920622B - Electric power transformer with from cooling function - Google Patents
Electric power transformer with from cooling function Download PDFInfo
- Publication number
- CN109920622B CN109920622B CN201910381618.XA CN201910381618A CN109920622B CN 109920622 B CN109920622 B CN 109920622B CN 201910381618 A CN201910381618 A CN 201910381618A CN 109920622 B CN109920622 B CN 109920622B
- Authority
- CN
- China
- Prior art keywords
- fixed
- heat dissipation
- baffle
- box
- transformer
- 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
Abstract
The invention discloses a power electrical transformer with a self-cooling function, which comprises a box body, wherein a partition plate is fixed in the box body, the partition plate divides the box body into a working chamber and a heat dissipation chamber, a transformer body is fixed in the working chamber, a temperature sensor is arranged at the top end of the transformer body, a servo motor is fixed in the heat dissipation chamber, a lead screw is fixed on an output shaft of the servo motor, a transmission nut is connected to the lead screw in a threaded transmission manner and is embedded on a push plate, push rods are fixed on two sides of the push plate, a baffle is fixed at the end part of each push rod, a plurality of heat dissipation holes are formed in each baffle, the baffle is in close contact with the side end of the box body, heat dissipation mechanisms are arranged on the upper side and the lower side of the interior of the heat dissipation chamber. The automatic and rapid heat dissipation and cooling of the transformer are realized through the structure, and the service life is prolonged.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a power electrical transformer with a self-cooling function.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).
The transformer can generate a large amount of heat during operation, especially during peak period of power consumption, such as noon in summer, people mostly use an air conditioner to cool, the power consumption of the air conditioner is large, the main transformer usually runs for a long time at an over-saturation degree, and the main transformer is extremely high in temperature after the main transformer runs for a long time at the over-saturation degree, so that the main transformer is extremely easy to burn out, potential safety hazards are brought to power supply safety, the heat is required to be transmitted out in time, otherwise the temperature inside the transformer is increased, the working efficiency of the transformer is influenced, the overhigh temperature even causes the transformer to burn, electric power accidents are caused, huge loss is brought to users, and normal power consumption is seriously influenced, but at present, most of the heat dissipation of the transformer is provided with heat dissipation holes on a cabinet body, the heat is blown away by natural wind, during peak period of power consumption, the heat is generated and is gathered, therefore, a transformer with an automatic rapid cooling function is provided to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a power electrical transformer with a self-cooling function, and aims to solve the problems that the existing transformer is poor in heat dissipation effect, low in speed and incapable of dissipating heat in time in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power electrical transformer with a self-cooling function comprises a box body, wherein a partition plate is fixed on one side in the box body, the partition plate divides the box body into a working chamber and a heat dissipation chamber, a transformer body is fixed in the working chamber, a temperature sensor is arranged at the top end of the transformer body and is fixed on the inner side of the upper end of the working chamber, a servo motor is fixed in the middle of the heat dissipation chamber, a lead screw is fixed at the end part of an output shaft of the servo motor through a coupler, the end part, far away from the servo motor, of the lead screw is rotatably connected with the partition plate, a transmission nut is connected to the lead screw in a threaded transmission manner and is embedded in a push plate, push rods are fixed on two sides of the push plate, the front side and the rear side of each push rod slide in guide sleeves, the guide sleeves are respectively embedded in the side walls of the partition plate, the heat dissipation device is characterized in that a plurality of heat dissipation holes are formed in the baffle, the baffle is in close contact with the side end of the box body, heat dissipation mechanisms are arranged on the upper side and the lower side of the interior of the heat dissipation chamber, and supporting mechanisms are arranged at four corners of the lower end of the box body.
Preferably, the heat dissipation mechanism includes driving motor, driving motor passes through the fixed block to be fixed on the fixed plate, the fixed plate is fixed in the inside of heat dissipation room, driving motor's output shaft end is fixed with the flabellum, be provided with a plurality of first inlet ports on the one end lateral wall that the baffle was kept away from to the box, be provided with a plurality of second inlet ports on the baffle.
Preferably, a dust screen is arranged in the first air inlet hole, and absorbent cotton is arranged in the second air inlet hole.
Preferably, the supporting mechanism comprises a mounting plate, the mounting plate is fixed at the bottom of the box body, a connecting nut is fixed on one side of the lower end of the mounting plate, a connecting bolt is connected to the inner thread of the connecting nut, and a supporting seat is fixed at the end of the lower end of the connecting bolt.
Preferably, the supporting seat is fixedly provided with an adjusting block, the adjusting block is fixedly connected with a connecting bolt, and the connecting bolt is in threaded connection with a locking nut.
Preferably, one side of the mounting plate, which is far away from the connecting nut, is rotatably connected with a roller.
Preferably, limiting blocks are fixed to two sides of the interior of the heat dissipation chamber and are in close contact with the push plate.
Preferably, a sealing ring is arranged between the baffle plate and the box body, and the sealing ring is adhered to the side wall of the box body.
The invention has the technical effects and advantages that: compared with the prior art, the power electrical transformer with the self-cooling function has the following advantages:
1. according to the box body heat dissipation device, the servo motor drives the screw rod to rotate, the rotation of the screw rod drives the transmission nut to move forward along the screw rod, so that the push plate is driven to move forward, the push plate pushes the push rod to slide forward along the guide sleeve, the baffle is further pushed to move forward, and the baffle is further separated from the box body, so that heat in the box body can be conveniently and rapidly dissipated, the structure is simple, the operation is easy, and the heat dissipation efficiency is high;
2. according to the invention, the fan blades are driven to rotate by the driving motor, the rotation of the fan blades forms air flow, so that outside air enters the heat dissipation chamber from the first air inlet, and then enters the working chamber through the second air inlet, the air carries a large amount of heat energy generated by the transformer, and the heat energy is dissipated from one end of the box body under the blowing of wind generated by the fan blades, so that the heat dissipation speed is accelerated, the heat accumulation is avoided, the temperature of the transformer body is reduced, and the transformer body is effectively protected and prevented from being damaged due to overhigh temperature;
3. according to the invention, the mounting plate is fixed at the lower end of the box body, the connecting nut is mounted on the mounting plate, the connecting bolt is connected in the connecting nut in a threaded manner, the position of the connecting bolt is adjusted through the adjusting block, the balance of the box body mounted on the ground is realized, the stability of the device is improved, the idler wheel is arranged on the other side of the mounting plate, the device is convenient to move, the transportation and the carrying are convenient, and the flexibility and the maneuverability of the device are improved.
Drawings
FIG. 1 is a view of the heat dissipation mechanism of the present invention;
FIG. 2 is a view showing the internal structure of a heat dissipation chamber according to the present invention;
FIG. 3 is a view showing the inner structure of the working chamber according to the present invention;
FIG. 4 is an isometric view of the present invention;
fig. 5 is a structural view of the support mechanism of the present invention.
Reference numerals: 1. a box body; 2. a partition plate; 3. a working chamber; 4. a heat dissipation chamber; 5. a transformer body; 6. a temperature sensor; 7. a servo motor; 8. a coupling; 9. a screw rod; 10. a drive nut; 11. pushing the plate; 12. a push rod; 13. a guide sleeve; 14. a baffle plate; 15. heat dissipation holes; 16. a heat dissipation mechanism; 161. a drive motor; 162. a fixed block; 163. a fixing plate; 164. a fan blade; 165. a first air intake hole; 166. a second air intake hole; 167. a dust screen; 168. absorbent cotton; 17. a support mechanism; 171. mounting a plate; 172. a connecting nut; 173. a connecting bolt; 174. a supporting seat; 175. an adjusting block; 176. locking the nut; 177. a roller; 18. a limiting block; 19. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a power electrical transformer with a self-cooling function as shown in figures 1-5, which comprises a box body 1, wherein a partition plate 2 is fixed on one side inside the box body 1, the partition plate 2 divides the box body 1 into a working chamber 3 and a heat dissipation chamber 4, a transformer body 5 is fixed in the working chamber 3, a temperature sensor 6 is arranged at the top end of the transformer body 5, the temperature sensor 6 is electrically connected with a processor, the processor is respectively electrically connected with a servo motor 7 and a driving motor 161 to realize automatic heat dissipation and cooling in the box body 1, the temperature sensor 6 is fixed on the inner side of the upper end of the working chamber 3, the servo motor 7 is fixed in the middle of the heat dissipation chamber 4, a lead screw 9 is fixed at the end part of an output shaft of the servo motor 7 through a coupler 8, and the end part of the lead screw 9, which is far away from the servo motor 7, screw thread transmission is connected with drive nut 10 on lead screw 9, drive nut 10 inlays on push pedal 11, push pedal 11's both sides all are fixed with push rod 12, both sides all slide in guide pin bushing 13 around push rod 12, guide pin bushing 13 is inlayed respectively on the lateral wall of baffle 2 and box 1, push rod 12 keeps away from the one end fixing of push pedal 11 has baffle 14, be provided with a plurality of louvres 15 on the baffle 14, the heat that transformer body 5 produced in studio 3 is box 1 by louvre 15 discharge, baffle 14 and box 1's side in close contact with, both sides all are provided with heat dissipation mechanism 16 about the inside of heat dissipation room 4, the lower extreme four corners position of box 1 all is provided with supporting mechanism 17.
Preferably, the heat dissipation mechanism 16 includes a driving motor 161, the driving motor 161 is fixed on a fixing plate 163 through a fixing block 162, the fixing plate 163 is fixed inside the heat dissipation chamber 4, a fan blade 164 is fixed at an end of an output shaft of the driving motor 161, a plurality of first air inlet holes 165 are disposed on a side wall of one end of the box body 1 away from the baffle plate 14, and a plurality of second air inlet holes 166 are disposed on the partition plate 2.
Through adopting above-mentioned technical scheme, through the rotation of flabellum 164, make the outside air pass first inlet port 165 and second inlet port 166 in proper order and get into studio 3 by heat dissipation chamber 4, then take away the heat that transformer body 5 produced, give off the outside of box 1, and then realize the cooling, work efficiency is high, and the heat dissipation is fast.
Preferably, a dust screen 167 is arranged in the first air inlet hole 165, and absorbent cotton 168 is arranged in the second air inlet hole 166.
Through adopting above-mentioned technical scheme, dust in the dust screen 167 sets up the air, and solid particle etc. filters, prevents to enter into and causes the damage to it on the transformer body 5, and the setting of cotton 168 that absorbs water absorbs the moisture in the air, prevents that moisture from getting into transformer body 5 and arousing the short circuit, plays drying, guard action.
Preferably, the supporting mechanism 17 includes a mounting plate 171, the mounting plate 171 is fixed at the bottom end of the box body 1, a coupling nut 172 is fixed at one side of the lower end of the mounting plate 171, a coupling bolt 173 is connected in the coupling nut 172 through a thread, and a supporting seat 174 is fixed at the end of the lower end of the coupling bolt 173.
Through adopting above-mentioned technical scheme, the equilibrium is adjusted when realizing installing subaerial to box 1, makes the steady of box 1 installation, improves the stability and the fastness of device.
Preferably, an adjusting block 175 is fixed on the supporting seat 174, the adjusting block 175 is fixedly connected with a connecting bolt 173, and a locking nut 176 is screwed on the connecting bolt 173.
Through adopting above-mentioned technical scheme, adjusting block 175's setting is convenient to adjust connecting bolt 173 through the spanner, is convenient for adjust, and locking nut 176's setting realizes connecting bolt 173 and connecting nut 172 locking, prevents that it is not hard up, influences the stability of device.
Preferably, a roller 177 is rotatably connected to a side of the mounting plate 171 remote from the coupling nut 172.
Through adopting above-mentioned technical scheme, the removal of box 1 is made things convenient for in setting up of gyro wheel 177, just with transportation and transport, improves the mobility and the flexibility of device.
Preferably, a limiting block 18 is fixed on two sides of the interior of the heat dissipation chamber 4, and the limiting block 18 is in close contact with the push plate 11.
Through adopting above-mentioned technical scheme, when setting up messenger's push pedal 11 backward slip of stopper 18, can't move backward again after contacting with stopper 18, avoid push pedal 11 to hit servo motor 7, play spacing, guard action.
Preferably, a sealing ring 19 is arranged between the baffle plate 14 and the box body 1, and the sealing ring 19 is adhered to the side wall of the box body 1.
Through adopting above-mentioned technical scheme, setting up of sealing washer 19 prevents that external dust impurity etc. from getting into transformer body 5 in the box 1 from the clearance between box 1 and baffle 14 on, plays protection, isolation effect.
The working principle is as follows: the box body 1 is pushed to move to a designated position under the driving of the roller 177, then a wrench is used for driving the connecting bolt 173 to rotate through rotating the adjusting block 175, and further the connecting bolt 173 moves downwards until the supporting seat 174 at the lower end of the connecting bolt 173 is contacted with the ground, and the roller 177 is separated from the ground, so that the stable installation of the device is realized;
under normal conditions, the heat generated by the transformer body 5 is relatively less, heat dissipation and cooling can be realized through the heat dissipation holes 15 on the baffle plate 14, but when the power consumption peak is reached, the heat generated by the transformer body 5 is more, time blocks cannot realize rapid heat dissipation only through the heat dissipation holes 15, when the temperature reaches a set value, the temperature sensor 6 is triggered, the temperature sensor 6 transmits a signal to the processor, the processor simultaneously transmits a signal to the servo motor 7 and the driving motor, the servo motor 7 works to further drive the lead screw 9 to rotate, the rotation of the lead screw 9 drives the transmission nut 10 to move forwards along the lead screw 9 to further drive the push plate 11 to move forwards, the push plate 11 further pushes the push rod 12 to slide forwards along the guide sleeve 13, the push rod 12 pushes the baffle plate 14 to move forwards, the baffle plate 14 is further separated from the box body 1, and one side of the box body;
the work of driving motor 161, and then drive the flabellum 164 rotatory, the rotatory air that produces of flabellum 164 flows, and then the outside air passes first inlet port 165 and second inlet port 166 in proper order, then gets into studio 3, and the heat that air absorption transformer body 5 produced gets into the air from studio 3's opening part, and then realizes the heat dissipation, and the cooling, rate of heat dissipation is fast, and work efficiency is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a power electrical transformer with from cooling function, includes box (1), its characterized in that: the utility model discloses a solar energy power generation device, including box (1), baffle (2) are fixed with baffle (2) in inside one side of box (1), baffle (2) divide into studio (3) and heat dissipation room (4) to box (1), studio (3) internal fixation has transformer body (5), the top of transformer body (5) is provided with temperature sensor (6), temperature sensor (6) are fixed at the upper end inboard of studio (3), the centre of heat dissipation room (4) is fixed with servo motor (7), the output shaft tip of servo motor (7) is fixed with lead screw (9) through shaft coupling (8), the one end tip that servo motor (7) were kept away from in lead screw (9) rotates with baffle (2) to be connected, threaded transmission is connected with drive nut (10) on lead screw (9), drive nut (10) inlay on push pedal (11), the both sides of push pedal (11) all are fixed with push rod (12), both sides all slide in guide pin bushing (13) around push rod (12), guide pin bushing (13) are inlayed respectively on the lateral wall of baffle (2) and box (1), push rod (12) are kept away from the one end fixing of push pedal (11) and are had baffle (14), be provided with a plurality of louvres (15) on baffle (14), the side in close contact with of baffle (14) and box (1), both sides all are provided with heat dissipation mechanism (16) about the inside of heat dissipation room (4), the lower extreme four corners position of box (1) all is provided with supporting mechanism (17).
2. A power electrical transformer with self-cooling function according to claim 1, characterized in that: heat dissipation mechanism (16) include driving motor (161), driving motor (161) are fixed on fixed plate (163) through fixed block (162), the inside at heat dissipation room (4) is fixed in fixed plate (163), driving motor (161)'s output shaft end is fixed with flabellum (164), be provided with a plurality of first inlet ports (165) on the one end lateral wall of baffle (14) is kept away from in box (1), be provided with a plurality of second inlet ports (166) on baffle (2).
3. A power electrical transformer with self-cooling function according to claim 2, characterized in that: a dust screen (167) is arranged in the first air inlet hole (165), and absorbent cotton (168) is arranged in the second air inlet hole (166).
4. A power electrical transformer with self-cooling function according to claim 1, characterized in that: supporting mechanism (17) include mounting panel (171), the bottom at box (1) is fixed in mounting panel (171), lower extreme one side of mounting panel (171) is fixed with coupling nut (172), coupling nut (172) female connection has connecting bolt (173), the lower extreme end fixing of connecting bolt (173) has supporting seat (174).
5. A power electrical transformer with self-cooling function according to claim 4, characterized in that: the supporting seat (174) is fixed with adjusting block (175), adjusting block (175) and connecting bolt (173) fixed connection, threaded connection has lock nut (176) on connecting bolt (173).
6. A power electrical transformer with self-cooling function according to claim 4, characterized in that: and one side of the mounting plate (171), which is far away from the connecting nut (172), is rotatably connected with a roller (177).
7. A power electrical transformer with self-cooling function according to claim 1, characterized in that: limiting blocks (18) are fixed to two sides of the interior of the heat dissipation chamber (4), and the limiting blocks (18) are in close contact with the push plate (11).
8. A power electrical transformer with self-cooling function according to claim 1, characterized in that: a sealing ring (19) is arranged between the baffle (14) and the box body (1), and the sealing ring (19) is adhered to the side wall of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910381618.XA CN109920622B (en) | 2019-05-08 | 2019-05-08 | Electric power transformer with from cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910381618.XA CN109920622B (en) | 2019-05-08 | 2019-05-08 | Electric power transformer with from cooling function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109920622A CN109920622A (en) | 2019-06-21 |
| CN109920622B true CN109920622B (en) | 2020-06-30 |
Family
ID=66979144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910381618.XA Active CN109920622B (en) | 2019-05-08 | 2019-05-08 | Electric power transformer with from cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109920622B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491641A (en) * | 2019-09-03 | 2019-11-22 | 重庆大学 | Heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator |
| CN111993594A (en) * | 2020-08-07 | 2020-11-27 | 河南兴达商砼有限公司 | Concrete conveying device and concrete processing technology using same |
| CN112038048B (en) * | 2020-09-04 | 2021-08-31 | 莱芜鲁能开源集团电器有限公司 | Electric power transformer with from cooling function |
| CN112635164B (en) * | 2021-01-09 | 2021-12-17 | 江苏巨能电力设备有限公司 | Power transformer |
| CN114373600A (en) * | 2021-12-06 | 2022-04-19 | 王德彬 | Overheated deformation ventilation type transformer |
| CN116798726B (en) * | 2023-07-20 | 2023-12-15 | 国网安徽省电力有限公司霍山县供电公司 | Distribution transformer with safety precaution function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140013198A (en) * | 2012-07-20 | 2014-02-05 | 고성서 | Dry transfomer having a cooling fan |
| CN206312704U (en) * | 2016-12-26 | 2017-07-07 | 华东交通大学 | A kind of dry-type transformer for carrying heat sinking function |
| CN207097599U (en) * | 2017-07-13 | 2018-03-13 | 畅达峰电力科技有限公司 | A kind of distribution transformer stand |
| CN108305755A (en) * | 2018-02-06 | 2018-07-20 | 常熟市谷雷特机械产品设计有限公司 | A kind of outdoor transformer protection radiator |
| CN108806929A (en) * | 2018-09-12 | 2018-11-13 | 长兴盛强电子器材股份有限公司 | A kind of transformer mounting bracket |
-
2019
- 2019-05-08 CN CN201910381618.XA patent/CN109920622B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109920622A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109920622B (en) | Electric power transformer with from cooling function | |
| CN211529733U (en) | High-safety transformer with bird repelling mechanism | |
| CN112466634A (en) | Dustproof transformer with good heat dissipation effect | |
| CN204652142U (en) | A kind of energy-saving high-voltage motor cooler | |
| CN110165577A (en) | There is the electrical cabinet of high-efficient radiating function for hot environment | |
| CN211151233U (en) | Dustproof electrical switch box of suspension type building | |
| CN111613999A (en) | High-efficient heat sink is used to power equipment | |
| CN213938745U (en) | Electromagnetic shielding heat dissipation device | |
| CN213243217U (en) | High-power intelligent power-saving voltage stabilizer | |
| CN204927272U (en) | Silicon controlled rectifier cooling system of rigs in oilfield motor filter | |
| CN106532520A (en) | Self-cooling cabinet | |
| CN209561998U (en) | A kind of low voltage drawing-out switching carbinet of high efficiency and heat radiation | |
| CN209747972U (en) | Block terminal mounting structure | |
| CN108983917B (en) | Computer machine case with automatic dust removal function | |
| CN208478509U (en) | A kind of anti-scald battery discharger convenient for safeguarding | |
| CN112701602A (en) | Safe and reliable high-low voltage switch cabinet | |
| CN216054164U (en) | Rectifier transformer with double-layer horizontal saturable reactor | |
| CN215007844U (en) | Energy-efficient second grade 10kV dry-type metallic glass energy-saving transformer | |
| CN111313253A (en) | Neutral point grounding resistance cabinet for wind power system | |
| CN219066571U (en) | Transformer with good dustproof and heat dissipation effects | |
| CN220209737U (en) | Box-type substation cooling device | |
| CN218414125U (en) | Effective radiating ground resistance cabinet | |
| CN218997470U (en) | Power consumption monitoring distribution box | |
| CN214012666U (en) | Outdoor big rainy day power transmission and distribution transformer's protective housing | |
| CN217181952U (en) | Small transformer shell convenient for heat dissipation |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Baiyang Inventor after: Wen Min Inventor after: Wang Ying Inventor after: Chen Weiwei Inventor after: Zhou Jie Inventor after: Wei Hongsheng Inventor after: Zhang Ying Inventor before: Zhang Ying |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200603 Address after: Yueqing Economic Development Zone, Zhejiang province 325600 weft seventeen road in Wenzhou City Applicant after: Hong Fu Jin Precision Industry (ShenZhen) Co.,Ltd. Address before: 510000 Room 1403, No. 8, Yunchang Third Street, Baiyun District, Guangzhou City, Guangdong Province Applicant before: Zhang Ying |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |