CN109545520B - Utilize fixed transformer of switching power supply for electric teaching of shell fragment - Google Patents
Utilize fixed transformer of switching power supply for electric teaching of shell fragment Download PDFInfo
- Publication number
- CN109545520B CN109545520B CN201811591544.4A CN201811591544A CN109545520B CN 109545520 B CN109545520 B CN 109545520B CN 201811591544 A CN201811591544 A CN 201811591544A CN 109545520 B CN109545520 B CN 109545520B
- Authority
- CN
- China
- Prior art keywords
- wire
- fixing
- transformer
- frame
- annular magnet
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
Abstract
The invention discloses a transformer of a switching power supply for electrical teaching, which is fixed by using elastic sheets, and the structure of the transformer comprises a cooling fan, a transformer shell, a shell fixing block, a product nameplate, a power indicator lamp and a wire connector.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to a transformer of a switch power supply for electrical teaching, which is fixed by using elastic sheets.
Background
In the electric wiring teaching training process of electric power college, in order to let the student more proficient the operation and the installation of equipment, the student needs the training of practising exercises, links together electrical equipment and transformer, switch, solenoid valve etc. and carries out work, but the present technical consideration is not perfect enough, has following shortcoming:
the existing transformer needs to repeatedly screw the bolt to fixedly contact the power supply lead in place during wiring, has long operation time and extremely low wiring efficiency, and easily causes the groove part of the bolt head to be worn when being used for a long time, thereby causing the bolt to be disengaged from the teeth and preventing the screwdriver from being screwed out; meanwhile, when the copper wire of the power supply wire is fixed below the bolt and screwed in, the copper wire in the wire is easily twisted off along with the bolt in the rotating process, the conductive performance of the wire is reduced, and meanwhile, the broken copper wire and other wires are easily contacted with each other to cause electric wire short circuit, so that electrical equipment is damaged.
Disclosure of Invention
In order to solve the problems, the invention provides a transformer of a switch power supply for electrical teaching, which is fixed by using an elastic sheet.
In order to achieve the purpose, the invention is realized by the following technical scheme: a transformer of a switch power supply for electrical teaching fixed by utilizing elastic sheets structurally comprises a cooling fan, a transformer shell, a shell fixing block, a product nameplate, a power indicator lamp and a wire connector, wherein the transformer shell is of a rectangular structure, a cooling fan mounting hole and a transformer shell groove are fixed together through a bolt, the upper surface of the shell fixing block is welded together with four corners of the bottom surface of the transformer shell, the back surface of the product nameplate is tightly attached to the front surface of the transformer shell, the power indicator lamp is nested on the right surface of the transformer shell, the left end of the wire connector is tightly buckled together with the right side of the transformer shell, the wire connector comprises a wire connector protective cover, a copper wire stranded structure, a power connecting piece, a driving structure, a wire fixing device and a wire mounting port, the wire connector protective cover is nested on the right side of the transformer shell, the wire mounting port is penetratingly connected, the left side of the copper wire stranded structure is welded with the left end in the connector protection cover, the left end of the driving structure is tightly buckled with the right side of the copper wire stranded structure, the left end of the lead fixing device is mechanically connected with the right side of the driving structure, and the right end of the power supply connecting piece is welded with the left side of the copper wire stranded structure.
As a further improvement of the invention, the copper wire stranded structure comprises a conductive sheet, a first fixing ring, a copper wire contact element, a stranded cloth and a second fixing ring, wherein the left side of the first fixing ring is fixed with a connector protection cover bolt, the right side of the second fixing ring is abutted against the left end of the driving structure, the left end and the right end of the stranded cloth are hermetically connected with the first fixing ring and the second fixing ring, the conductive sheet is nested in the middle of the first fixing ring, and the leftmost end of the copper wire contact element is abutted against the upper end and the lower end of the right surface of the conductive sheet.
As a further improvement of the invention, the driving structure consists of a switch push block, a driving gear rod, a transmission gear disc and a first annular magnet frame, wherein the driving gear rod is in clearance fit with the upper surface of the connector protective cover, the bottom surface of the switch push block is tightly attached to the upper surface of the driving gear rod and is integrated with the driving gear rod into a whole, the transmission gear disc is tightly attached to the lead fixing device and is mutually meshed with the bottom surface of the driving gear rod, and the first annular magnet frame is nested in front of the transmission gear disc.
As a further improvement of the invention, the lead fixing device comprises a first fixing frame, an insulating elastic sheet, a second fixing frame, a rolling wheel and a second annular magnet frame, wherein the second fixing frame is of an annular structure and is arranged on the left side of the lead mounting opening, the rolling wheel is nested on the side surface of the second fixing frame, the first fixing frame is arranged in the middle of the protective cover of the wire connector, the left end and the right end of the insulating elastic sheet are respectively fixed with the first fixing frame and the second fixing frame through bolts, and the back surface of the second annular magnet frame is tightly abutted to the second fixing frame.
As a further improvement of the invention, the axes of the first fixing frame, the second annular magnet frame and the first annular magnet frame are collinear.
As a further improvement of the invention, the three rolling wheels are arranged and form a triangular structure in a surrounding manner, so that the stability of the second fixed frame in moving in the wire connector protective cover is ensured.
As a further improvement of the invention, the first annular magnet frame and the second annular magnet frame are in an annular structure with N, S pole magnet blocks alternately arranged.
The invention has the beneficial effects that: the transformer passes through the copper wire transposition structure, the drive structure, wire fixing device cooperatees, when the power wire need be installed on the transformer, the drive structure makes wire fixing device fix the wire copper wire, consequently need not to fix the power wire in place through revolving the bolt soon repeatedly, shorten real personnel's of instructing wiring time, the efficiency of instructing the in-process wiring of instructing has been improved, utilize the copper wire transposition structure to carry the electric current again after the copper wire transposition simultaneously, guarantee that every copper wire can all electrically conduct, the electric conductive property of electric wire has been promoted.
1. The driving structure of the invention is combined with the lead fixing device, a part of the insulation protection layer of the power supply lead is cut off, a copper wire extends into the connector protection cover from the right side of the lead mounting opening, the switch push block is pushed leftwards at the moment, the switch push block drives the transmission gear disc to rotate 60 degrees anticlockwise by using the driving gear rod, therefore, the first annular magnet frame on the right side of the transmission gear disc synchronously rotates, so that N, S pole magnets on the first annular magnet frame are exchanged in position, the magnetic poles of the magnets on the first annular magnet frame are opposite to the magnetic poles on the corresponding position on the second annular magnet frame, the second annular magnet frame is attracted left and right to drive the second fixing frame and the rolling wheel to move left, and then insulating shell fragment receives the extrusion incurving, consequently is fixed by insulating shell fragment clip fastening simultaneously, avoids traditional transformer wiring to need to twist the bolt repeatedly for the wiring time, avoids the rotatory impaired condition emergence of taking off the tooth of appearing of bolt to take place simultaneously.
2. The driving structure is combined with the copper wire twisting structure, when the transmission gear disc rotates anticlockwise, the second fixing ring on the left side of the transmission gear disc synchronously rotates, the first fixing ring keeps still, therefore, twisting occurs after twisting force is applied to the twisting cloth, the copper wires in the twisting cloth are further twisted together in a rotating mode, the copper wires are clamped by the right end of the copper wire contact element, each copper wire is guaranteed to be in contact with the copper wire contact element in place and conveyed to the power supply connecting element through the conducting strip, and the conducting performance of the electric wire is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a transformer of a switching power supply for electrical teaching, which is fixed by using an elastic sheet according to the present invention.
FIG. 2 is a schematic view of the construction of the connector of the present invention.
Fig. 3 is a working schematic diagram of the copper wire stranding structure.
FIG. 4 is a schematic view of the structure of the surface A-A in FIG. 2 according to the present invention.
Fig. 5 is a schematic structural diagram of the lead fixing device of the present invention.
FIG. 6 is a schematic view of the structure of the plane B-B in FIG. 5 according to the present invention.
In the figure: the device comprises a cooling fan-1, a transformer shell-2, a shell fixing block-3, a product nameplate-4, a power indicator lamp-5, a wire connector-6, a wire connector protective cover-61, a copper wire stranded structure-62, a power connector-63, a driving structure-64, a wire fixing device-65, a wire mounting port-66, a conducting strip-621, a first fixing ring-622, a copper wire contact-623, a stranded cloth-624, a second fixing ring-625, a switch push block-641, a driving gear rod-642, a transmission gear disc-643, a first annular magnet frame-644, a first fixing frame-651, an insulating elastic sheet-652, a second fixing frame-653, a rolling wheel-654 and a second annular magnet frame-655.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, fig. 1 to 6 schematically show the structure of a transformer according to an embodiment of the present invention, and the present invention will be further described with reference to the following embodiments.
Examples
Referring to fig. 1-2, the transformer of the switching power supply for electrical teaching fixed by using elastic sheets according to the present invention comprises a heat dissipation fan 1, a transformer housing 2, a housing fixing block 3, a product name plate 4, a power indicator lamp 5 and a wire connector 6, wherein the transformer housing 2 is of a rectangular structure, a mounting hole of the heat dissipation fan 1 is fixed with a groove of the transformer housing 2 by a bolt, an upper surface of the housing fixing block 3 is welded with four corners of a bottom surface of the transformer housing 2, a back surface of the product name plate 4 is tightly attached to a front surface of the transformer housing 2, the power indicator lamp 5 is nested on a right side surface of the transformer housing 2, a left end of the wire connector 6 is tightly fastened with a right side of the transformer housing 2, and the wire connector 6 is composed of a wire connector protective cover 61, a copper wire stranded structure 62, a power connector 63, a driving, Wire fixing device 65, wire installing port 66 constitute, wire connector safety cover 61 is nested in transformer housing 2 right side, wire installing port 66 through connection is on wire connector safety cover 61 right side, the left end welding is in the same place in copper wire transposition structure 62 left side and the wire connector safety cover 61, drive structure 64 left end and copper wire transposition structure 62 right side are tightly buckled together, wire fixing device 65 left end and drive structure 64 right side mechanical connection, power connecting piece 63 right-hand member and copper wire transposition structure 62 left side welding are in the same place.
Referring to fig. 3-4, the copper wire twisted structure 62 is composed of a conductive sheet 621, a first fixing ring 622, a copper wire contact 623, a twisted cloth 624, and a second fixing ring 625, wherein the left side of the first fixing ring 622 is fixed to the connector protection cover 61 by bolts, the right side of the second fixing ring 625 is abutted to the left end of the driving structure 64, the left and right ends of the twisted cloth 624 are hermetically connected to the first fixing ring 622 and the second fixing ring 625, the conductive sheet 621 is nested in the middle of the first fixing ring 622, and the leftmost end of the copper wire contact 623 is abutted to the upper and lower ends of the right surface of the conductive sheet 621. The driving structure 64 is composed of a switch push block 641, a driving gear rod 642, a transmission gear disc 643 and a first annular magnet frame 644, wherein the driving gear rod 642 is in clearance fit with the upper surface of the connector protection cover 61, the bottom surface of the switch push block 641 is tightly attached to the upper surface of the driving gear rod 642 and is integrated with the driving gear rod 642 into a whole structure, the transmission gear disc 643 is tightly attached to the lead wire fixing device 65 and is meshed with the bottom surface of the driving gear rod 642, and the first annular magnet frame 644 is nested in front of the transmission gear disc 643.
Referring to fig. 5-6, the lead fixing device 65 includes a first fixing frame 651, an insulating elastic sheet 652, a second fixing frame 653, a rolling wheel 654, and a second annular magnet frame 655, the second fixing frame 653 is an annular structure and is installed on the left side of the lead installation port 66, the rolling wheel 654 is nested on the side surface of the second fixing frame 653, the first fixing frame 651 is installed in the middle of the connector protection cover 61, the left and right ends of the insulating elastic sheet 652 are respectively fixed to the first fixing frame 651 and the second fixing frame 653 through bolts, and the back surface of the second annular magnet frame 655 is abutted to the second fixing frame 653. The axes of the first fixed frame 651, the second fixed frame 653, the second annular magnet frame 655 and the first annular magnet frame 644 are collinear. The rolling wheels 654 are provided with three rolling wheels and form a triangular structure, so that the stability of the second fixing frame 653 during the movement in the connector protection cover 61 is ensured. The first annular magnet frame 644 and the second annular magnet frame 655 are in an annular structure with N, S pole magnets alternately arranged, when the magnetic poles at the corresponding positions of the first annular magnet frame 644 and the second annular magnet frame 655 are the same, the same poles repel, and when the first annular magnet frame 644 rotates, the magnetic poles at the corresponding positions of the first annular magnet frame 644 and the second annular magnet frame 655 are opposite, so that the attraction force is generated to drive the second fixed frame 653 and the rolling wheel 654 to move leftwards.
When the power supply lead needs to be installed on the transformer, firstly, part of the insulating layer of the electric wire is cut off, then, part of the copper wire extends into the copper wire stranded structure 62 and the lead fixing device 65 through the lead installation opening 66, at this time, the practical training personnel pushes the switch push block 641 leftwards, the driving gear rod 642 below the switch push block 641 drives the transmission gear disk 643 to rotate 60 degrees anticlockwise, further, the first annular magnet rack 644 on the transmission gear disk 643 synchronously rotates, so that the magnetic pole of the magnet on the first annular magnet rack 644 is opposite to the magnetic pole of the magnet at the position corresponding to the second annular magnet rack 655, the opposite poles attract each other, therefore, the second annular magnet rack 655 drives the second fixing rack 653 and the rolling wheel 654 to move leftwards, the insulating elastic sheet 652 is extruded to bend and deform inwards, further, the copper wire is clamped and fixed by the insulating elastic sheet 652, the time consumed by repeatedly screwing the bolt is, meanwhile, the situation that the bolt cannot be screwed out due to thread falling off is avoided; when the transmission gear disc 643 rotates, the second fixing ring 625 on the left side of the transmission gear disc 643 rotates synchronously, the first fixing ring 622 is kept stationary, the twisting cloth 624 is twisted by torsion, copper wires in the twisting cloth 624 are bundled and twisted together, meanwhile, the copper wire contact 623 extrudes the torsion spring and transmits electric energy to the power supply connecting piece 63 through the conducting strip 621 after contacting with the copper wires, the twisted copper wires can be fully contacted with the copper wire contact 623, and the electric conductivity of the electric wire is effectively improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides an utilize fixed electric teaching of shell fragment to use switching power supply's transformer, its structure includes radiator fan (1), transformer housing (2), shell fixed block (3), product data plate (4), power indicator (5), connector (6), its characterized in that:
the transformer shell (2) is of a rectangular structure, the cooling fan (1) is fixed with the transformer shell (2) through bolts, the shell fixing block (3) is welded with the transformer shell (2), the product nameplate (4) is tightly attached to the transformer shell (2), the power indicator (5) is nested on the right side surface of the transformer shell (2), and the wire connector (6) is tightly buckled with the transformer shell (2);
the wire connector (6) comprises a wire connector protective cover (61), a copper wire stranded structure (62), a power supply connecting piece (63), a driving structure (64), a wire fixing device (65) and a wire mounting opening (66), wherein the wire connector protective cover (61) is nested on the right side of the transformer shell (2), the wire mounting opening (66) is connected to the right side of the wire connector protective cover (61) in a penetrating mode, the copper wire stranded structure (62) is welded with the wire connector protective cover (61), the driving structure (64) is tightly buckled with the copper wire stranded structure (62), the wire fixing device (65) is mechanically connected with the driving structure (64), and the power supply connecting piece (63) is welded with the copper wire stranded structure (62);
the copper wire stranded structure (62) is composed of a conducting strip (621), a first fixing ring (622), a copper wire contact element (623), stranded cloth (624) and a second fixing ring (625), the first fixing ring (622) is fixed with a wire connector protection cover (61) through a bolt, the second fixing ring (625) is abutted to a driving structure (64), the stranded cloth (624) is hermetically connected with the first fixing ring (622) and the second fixing ring (625), the conducting strip (621) is nested in the middle of the first fixing ring (622), and the copper wire contact element (623) is abutted to the conducting strip (621);
the driving structure (64) consists of a switch pushing block (641), a driving gear rod (642), a transmission gear disc (643) and a first annular magnet frame (644), the driving gear rod (642) is in clearance fit with the connector protective cover (61), the switch pushing block (641) is tightly attached to the driving gear rod (642), the transmission gear disc (643) is tightly attached to the lead fixing device (65), and the first annular magnet frame (644) is nested in front of the transmission gear disc (643);
the wire fixing device (65) is composed of a first fixing frame (651), an insulating elastic sheet (652), a second fixing frame (653), a rolling wheel (654) and a second annular magnet frame (655), the second fixing frame (653) is installed on the left side of a wire installation port (66), the rolling wheel (654) is nested on the side face of the second fixing frame (653), the first fixing frame (651) is installed in the middle of a wire connector protection cover (61), the insulating elastic sheet (652) is fixed with the first fixing frame (651) and the second fixing frame (653) through bolts, and the second annular magnet frame (655) is abutted against the second fixing frame (653).
2. The transformer of the switch power supply for electric teaching fixed by the elastic sheet according to claim 1, characterized in that: the axes of the first fixing frame (651), the second fixing frame (653), the second annular magnet frame (655) and the first annular magnet frame (644) are collinear.
3. The transformer of the switch power supply for electric teaching fixed by the elastic sheet according to claim 1, characterized in that: the rolling wheels (654) are provided with three rolling wheels and form a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591544.4A CN109545520B (en) | 2018-12-25 | 2018-12-25 | Utilize fixed transformer of switching power supply for electric teaching of shell fragment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591544.4A CN109545520B (en) | 2018-12-25 | 2018-12-25 | Utilize fixed transformer of switching power supply for electric teaching of shell fragment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109545520A CN109545520A (en) | 2019-03-29 |
| CN109545520B true CN109545520B (en) | 2020-08-18 |
Family
ID=65857514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591544.4A Active CN109545520B (en) | 2018-12-25 | 2018-12-25 | Utilize fixed transformer of switching power supply for electric teaching of shell fragment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109545520B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06275446A (en) * | 1993-03-24 | 1994-09-30 | Sanken Electric Co Ltd | Bobbin terminal and coil device with bobbin terminal |
| US5619176A (en) * | 1995-12-21 | 1997-04-08 | Square D Company | System for coupling external leads to a multitap transformer |
| JP2001319816A (en) * | 2000-05-09 | 2001-11-16 | Taiyo Yuden Co Ltd | Coil component |
| CN2893712Y (en) * | 2006-05-14 | 2007-04-25 | 杭州华隆电子技术有限公司 | Mutual inductor type interconnection non-connection point wire clamp type terminal box |
| CN201717080U (en) * | 2010-06-02 | 2011-01-19 | 北京中电瑞通节能科技有限公司 | Connecting sleeve used for controllable reactor |
| CN205621590U (en) * | 2016-04-22 | 2016-10-05 | 宁夏灏铭科技有限公司 | A power transformer for physical teaching |
| CN106033847A (en) * | 2015-03-16 | 2016-10-19 | 格力电器（中山）小家电制造有限公司 | Cold joint |
| CN108597804A (en) * | 2018-05-28 | 2018-09-28 | 保定天威保变电气股份有限公司 | A kind of novel combined transformer large current outlet device |
-
2018
- 2018-12-25 CN CN201811591544.4A patent/CN109545520B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06275446A (en) * | 1993-03-24 | 1994-09-30 | Sanken Electric Co Ltd | Bobbin terminal and coil device with bobbin terminal |
| US5619176A (en) * | 1995-12-21 | 1997-04-08 | Square D Company | System for coupling external leads to a multitap transformer |
| JP2001319816A (en) * | 2000-05-09 | 2001-11-16 | Taiyo Yuden Co Ltd | Coil component |
| CN2893712Y (en) * | 2006-05-14 | 2007-04-25 | 杭州华隆电子技术有限公司 | Mutual inductor type interconnection non-connection point wire clamp type terminal box |
| CN201717080U (en) * | 2010-06-02 | 2011-01-19 | 北京中电瑞通节能科技有限公司 | Connecting sleeve used for controllable reactor |
| CN106033847A (en) * | 2015-03-16 | 2016-10-19 | 格力电器（中山）小家电制造有限公司 | Cold joint |
| CN205621590U (en) * | 2016-04-22 | 2016-10-05 | 宁夏灏铭科技有限公司 | A power transformer for physical teaching |
| CN108597804A (en) * | 2018-05-28 | 2018-09-28 | 保定天威保变电气股份有限公司 | A kind of novel combined transformer large current outlet device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109545520A (en) | 2019-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108173310A (en) | A kind of charging unit of robot | |
| CN109545520B (en) | Utilize fixed transformer of switching power supply for electric teaching of shell fragment | |
| CN210381663U (en) | Heat dissipation device of electric vehicle controller | |
| CN208171577U (en) | A kind of GIL spring touch finger experimental rig | |
| CN203491869U (en) | Motor and lens module group | |
| CN216215740U (en) | Plug-in type air insulation bus duct structure | |
| CN203279350U (en) | MOSFET power switch modular component | |
| CN201877759U (en) | Bird-driving device for high voltage power transmission line | |
| CN210985559U (en) | Pressure-resistant bus duct shell | |
| CN201102483Y (en) | Turntable type power supply mechanism of electric instruction car | |
| CN210572705U (en) | Ammeter fault indicator detection board with pre-alarming function | |
| CN201118073Y (en) | Totally-enclosed high speed rotation electrical collector apparatus | |
| CN210722806U (en) | Protection box for cable connection circuit breaker | |
| CN112377845A (en) | Rail-mounted LED lamp and driving power supply thereof | |
| CN203674102U (en) | Large-current magnetic latching relay with high withstand-voltage | |
| CN219759993U (en) | Protector panel connecting piece | |
| CN211239612U (en) | Electronic commutator with high-efficient heat radiation structure | |
| CN214280357U (en) | Magnetic automatic power-off terminal | |
| CN110739793A (en) | electric equipment module | |
| CN218883594U (en) | Panoramic image transmission line monitor | |
| CN214752519U (en) | Conducting ring teaching demonstration device | |
| CN217036199U (en) | Integrated LED display screen power supply and signal connector | |
| CN215728660U (en) | Testing device for insulation service life of motor | |
| CN218678360U (en) | Alloy bus duct convenient for wire arrangement | |
| CN212060319U (en) | Intelligent electric power instrument |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200727 Address after: 325600, Dai Industrial Zone, Chengnan street, Yueqing, Zhejiang, Wenzhou Applicant after: LEBIAN ELECTRIC Co.,Ltd. Address before: 315700, No. 1288, Danyang Road, Dandong street, Xiangshan County, Ningbo, Zhejiang Applicant before: NINGBO TIANAN GROUP SWITCH Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |