CN117240010B - Axial magnetic flux permanent magnet synchronous motor with main shaft on-line monitoring function - Google Patents
Axial magnetic flux permanent magnet synchronous motor with main shaft on-line monitoring function Download PDFInfo
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- CN117240010B CN117240010B CN202311222735.4A CN202311222735A CN117240010B CN 117240010 B CN117240010 B CN 117240010B CN 202311222735 A CN202311222735 A CN 202311222735A CN 117240010 B CN117240010 B CN 117240010B
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- 230000004907 flux Effects 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention relates to the technical field of motor spindle monitoring, in particular to an axial magnetic flux permanent magnet synchronous motor with a spindle on-line monitoring function, which comprises a permanent magnet motor; the detection assembly is arranged on the side face of the permanent magnet motor and comprises a detection disc, a sliding block, an extrusion block, a clamping piece and an infrared device, wherein the detection disc is fixedly connected with the side face of the permanent magnet motor, the sliding block is in sliding connection with the detection disc, the clamping piece is in sliding fit with the extrusion block, the clamping piece is connected with the sliding block, and the infrared device is connected with the clamping piece. According to the invention, the main shaft can be continuously and effectively subjected to offset monitoring through the detection assembly, the problems are timely treated by early warning and reminding, and the damage to equipment is avoided.
Description
Technical Field
The invention relates to the technical field of motor spindle monitoring, in particular to an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function.
Background
An axial flux permanent magnet synchronous motor (Axial Flux Permanent Magnet Synchronous Motor) is a type of motor that employs an axial flux structure and permanent magnet materials to achieve high efficiency energy conversion.
Axial flux permanent magnet synchronous motors have higher power density and efficiency than conventional radial flux motors. Its permanent magnets are arranged in the axial direction of the rotating part and spread in the axial direction of the motor. This design may provide a greater magnetic flux density and better cooling. It can provide high torque and high efficiency, and is widely used in many fields of application such as electric automobiles, industrial drives, wind power generation, and the like.
However, the spindle may be offset to some extent if the motor is subjected to external force, mishandled, long-term overload operation, or manufacturing defects. This kind of skew probably leads to motor noise, vibration to increase, damages key parts even, so need to monitor the main shaft in real time, discovers that the skew is in time early warning and intervenes, avoids causing equipment damage.
Disclosure of Invention
The present invention has been made in view of the above-mentioned problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is to monitor the main shaft in real time, discover the deviation and early warn in time to intervene, so as to avoid the problem of equipment damage.
In order to solve the technical problems, the invention provides the following technical scheme: an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function comprises a permanent magnet motor; the detection assembly is arranged on the side face of the permanent magnet motor and comprises a detection disc, a sliding block, an extrusion block, a clamping piece and an infrared device, wherein the detection disc is fixedly connected with the side face of the permanent magnet motor, the sliding block is in sliding connection with the detection disc, the clamping piece is in sliding fit with the extrusion block, the clamping piece is connected with the sliding block, and the infrared device is connected with the clamping piece.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the detection disc comprises a main shaft hole, an annular groove and annular clamping teeth, wherein the main shaft hole and the annular groove are formed in the upper end of the detection disc, the annular clamping teeth are formed in the inner wall of the annular groove, the main shaft hole penetrates through the detection disc from top to bottom, and the sliding block is arranged in the annular groove.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the sliding block comprises a sliding limit groove, a spring latch block, a sliding extrusion groove and a rotating hole, wherein the sliding limit groove is formed in the circumferential surface of the sliding block, the spring latch block is arranged in the sliding limit groove, the sliding extrusion groove and the rotating hole are formed in the upper end of the sliding block, and the sliding extrusion groove is communicated with the sliding limit groove;
the side of the spring latch block is provided with rollers, and the rollers are provided with a plurality of rollers.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the extrusion block comprises an inclined surface block and a middle groove, the inclined surface block is arranged at the lower end of the extrusion block, the middle groove is arranged on the side face of the extrusion block, the extrusion block is in threaded connection with a bolt rod, the inclined surface block is inserted into the sliding extrusion groove and matched with the roller, and the bolt rod is arranged in the rotating hole.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the upper end of the sliding block is also provided with a circular column, the upper end of the circular column is provided with a tooth clamping groove, and a support column is arranged in the tooth clamping groove.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the clamping piece comprises a pulling column and an adjusting column, wherein the pulling column is connected with the adjusting column.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the pulling column comprises an arc-shaped clamping groove and a spring column, wherein the arc-shaped clamping groove and the spring column are arranged at the lower end of the pulling column, and the two spring columns are symmetrically arranged along the central line of the pulling column.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the adjusting column comprises an arc-shaped supporting disc and a gear disc, wherein the arc-shaped supporting disc is arranged at the upper end of the gear disc, and the gear disc is arranged in the tooth clamping groove.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the arc-shaped supporting plate is provided with a supporting slot hole, and the spring column is inserted into the supporting slot hole.
As a preferable scheme of the axial flux permanent magnet synchronous motor with the spindle on-line monitoring function, the invention comprises the following steps: the lower end of the gear plate is provided with a through hole, and the support column is inserted in the through hole.
The invention has the beneficial effects that: according to the invention, the main shaft can be continuously and effectively subjected to offset monitoring through the detection assembly, the problems are timely treated by early warning and reminding, and the damage to equipment is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is an assembly connection schematic diagram of an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an assembly structure of a detection assembly in an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function according to an embodiment of the present invention;
fig. 3 is a schematic connection diagram of a part of detection components of an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional connection structure of a sliding block and a squeezing block in an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a clamping member in an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 4, the embodiment provides an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function, which comprises a permanent magnet motor 100 and a detection assembly 200.
Permanent magnet motor 100 is a prior art axial flux permanent magnet synchronous motor.
The detection assembly 200 is fixedly arranged on the side face of the permanent magnet motor 100, the detection assembly 200 comprises a detection disc 201, a sliding block 202, an extrusion block 203, a clamping piece 204 and an infrared device 205, the detection disc 201 is fixedly connected with the side face of the permanent magnet motor 100, the sliding block 202 is in sliding connection with the detection disc 201, the clamping piece 204 is in sliding fit with the extrusion block 203, the clamping piece 204 is connected with the sliding block 202, and the infrared device 205 is connected with the clamping piece 204.
The slide block 202, the pressing block 203, the clamping member 204, and the infrared device 205 are provided with a plurality of sets.
The detection disc 201 comprises a main shaft hole 201a, an annular groove 201b and annular clamping teeth 201c, wherein the main shaft hole 201a and the annular groove 201b are arranged at the upper end of the detection disc 201, the annular clamping teeth 201c are arranged on the inner wall of the annular groove 201b, the main shaft hole 201a penetrates through the detection disc 201 from top to bottom, the sliding block 202 is arranged in the annular groove 201b, and when the detection disc 201 is arranged on the side face of the permanent magnet motor 100, a motor main shaft extends out of the main shaft hole 201 a.
The sliding block 202 comprises a sliding limit groove 202a, a spring latch block 202b, a sliding extrusion groove 202c and a rotating hole 202d, wherein the sliding limit groove 202a is formed in the circumferential surface of the sliding block 202, the spring latch block 202b is arranged in the sliding limit groove 202a, the sliding extrusion groove 202c and the rotating hole 202d are formed in the upper end of the sliding block 202, and the sliding extrusion groove 202c is communicated with the sliding limit groove 202 a.
The spring on the spring latch block 202b is fixedly connected with the inside of the sliding limiting groove 202a, and two sliding extrusion grooves 202c are symmetrically arranged along the center line of the sliding block 202. Normally, the protruding portion of the spring latch block 202b from the sliding limiting groove 202a is not contacted with the annular latch 201 c.
The spring latch block 202b is provided with a plurality of rollers 202b-1 on the side, and the rollers 202b-1 are positioned to align with the notches of the sliding pressing grooves 202 c.
The extrusion block 203 comprises an inclined surface block 203a and a middle groove 203b, the inclined surface block 203a is arranged at the lower end of the extrusion block 203, the middle groove 203b is arranged on the side surface of the extrusion block 203, the extrusion block 203 is in threaded connection with a bolt rod 203c, the inclined surface block 203a is inserted into the sliding extrusion groove 202c and matched with the roller 202b-1, and the bolt rod 203c is arranged in the rotating hole 202 d.
The two bolt rods 203c are symmetrically arranged along the center line of the extrusion block 203, one end of each bolt rod 203c is arranged in the corresponding rotating hole 202d and is in rotating fit with the corresponding rotating hole 202d, when the two bolt rods 203c are rotated, the positions of the bolt rods 203c are not changed, and the extrusion block 203 moves upwards or downwards.
When the sliding block 202 is used, the sliding block 202 is slid to a proper position, then the two bolt rods 203c are rotated clockwise, the extrusion block 203 moves downwards on the bolt rods 203c, the inclined surface block 203a gradually moves downwards in the sliding extrusion groove 202c and extrudes the roller 202b-1 on the spring latch block 202b, so that the spring latch block 202b moves outwards in the sliding limiting groove 202a, and when the spring latch block 202b is clamped with the annular latch 201c in the annular groove 201b, the rotation of the two bolt rods 203c is stopped at the moment, and the whole sliding block 202 cannot move due to the fixed position.
Example 2
Referring to fig. 1 to 5, in a second embodiment of the present invention, based on the previous embodiment, the present embodiment provides an implementation manner of an axial flux permanent magnet synchronous motor with a spindle on-line monitoring function.
The upper end of the sliding block 202 is also provided with a circular column 202e, the upper end of the circular column 202e is provided with a latch groove 202e-1, and a support column 202e-2 is arranged in the latch groove 202 e-1.
The clamp 204 includes a pull post 204a and an adjustment post, the pull post 204a being coupled to the adjustment post.
The pulling column 204a includes an arc-shaped engaging groove 204a-1 and a spring column 204a-2, the arc-shaped engaging groove 204a-1 and the spring column 204a-2 are disposed at the lower end of the pulling column 204a, and the two spring columns 204a-2 are symmetrically disposed along the center line of the pulling column 204 a.
The adjustment column includes an arc-shaped support plate 204b-1 and a gear plate 204b-2, wherein the arc-shaped support plate 204b-1 is arranged at the upper end of the gear plate 204b-2, and the gear plate 204b-2 is arranged in the tooth slot 202 e-1.
The arc-shaped support plate 204b-1 is provided with a support slot 204b-11, the spring column 204a-2 is inserted into the support slot 204b-11, and the spring at the lower end of the spring column 204a-2 is fixedly connected with the inner wall of the support slot 204 b-11.
The gear plate 204b-2 has a through hole 204b-21 at its lower end, and the support column 202e-2 is inserted into the through hole 204 b-21.
Normally, the pull post 204a is positioned adjacent to the arcuate support plate 204b-1 with a gap therebetween under the influence of the spring post 204 a-2.
When the infrared device 205 is installed, the infrared device 205 is placed between the pulling column 204a and the arc-shaped supporting disc 204b-1 by lifting the pulling column 204a, and then the infrared device 205 is clamped by the pulling column 204a and the arc-shaped supporting disc 204b-1 under the elastic force of the spring by loosening the pulling column 204 a.
When the infrared device is used, the sliding block 202 slides to a proper position, the infrared device 205 is placed on the pulling column 204a and the arc-shaped supporting disc 204b-1, then the angle of the column and the position of the sliding block 202 are adjusted according to the diameter of the main shaft, so that the infrared rays emitted by the infrared device 205 are in a tangential state with the circumferential surface of the main shaft but are not contacted with the main shaft, and after the position is selected, the gear disc 204b-2 is completely clamped with the latch groove 202 e-1.
By rotating the two bolt rods 203c clockwise, the extrusion block 203 moves down on the bolt rods 203c, the inclined surface block 203a gradually moves down in the sliding extrusion groove 202c and extrudes the roller 202b-1 on the spring latch block 202b, so that the spring latch block 202b moves outwards in the sliding limiting groove 202a, when the spring latch block 202b is clamped with the annular latch 201c in the annular groove 201b, the whole sliding block 202 cannot move, and it is noted that the inclined surface block 203a is only partially inserted into the sliding extrusion groove 202c, and if the two bolt rods 203c are continuously rotated, the inclined surface block 203a continuously moves down in the sliding extrusion groove 202c but does not extrude the spring latch block 202b, so that the spring latch block 202b cannot move.
The purpose of this arrangement is to fix the sliding block 202 first, then after continuing to rotate the two bolt rods 203c to a certain position, the clamping piece 204 located in the middle groove 203b will be extruded by the extrusion block 203, so as to achieve complete fixation among the pulling column 204a, the infrared device 205 and the adjusting column, and thus the infrared device 205 located between the pulling column 204a and the adjusting column can be of different specifications, avoiding that the infrared device 205 is oversized and cannot be installed, and increasing the selectivity of the infrared device 205.
After all the installation is completed, the whole detection assembly 200 is wrapped by the shell, and only one main shaft is left outside.
Corresponding transmitting device and receiving device according to above-mentioned mode installation infrared device 205 install the lug and fix on the main shaft after the installation is accomplished, the position be located the inboard of infrared ray and not contact with the infrared ray, when radial or axial skew takes place for the main shaft like this, infrared device 205 transmission's infrared ray will be sheltered from, infrared device 205 is connected with the alarm, and the alarm will take place to remind when infrared ray is sheltered from, reaches the effect of timely early warning.
Preferably, infrared device 205 may also be an infrared distance measuring device, because the position of infrared device 205 is fixed, and once the spindle is offset, the distance measured will change, and the operator may find that the spindle is offset.
According to the invention, the main shaft can be continuously and effectively subjected to offset monitoring through the detection assembly, the problems are timely treated by early warning and reminding, and the damage to equipment is avoided.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (1)
1. An axial magnetic flux permanent magnet synchronous motor with a main shaft on-line monitoring function is characterized in that: comprising the steps of (a) a step of,
a permanent magnet motor (100);
the detection assembly (200) is arranged on the side face of the permanent magnet motor (100), the detection assembly (200) comprises a detection disc (201), a sliding block (202), an extrusion block (203), a clamping piece (204) and an infrared device (205), the detection disc (201) is fixedly connected with the side face of the permanent magnet motor (100), the sliding block (202) is in sliding connection with the detection disc (201), the clamping piece (204) is in sliding fit with the extrusion block (203), the clamping piece (204) is connected with the sliding block (202), and the infrared device (205) is connected with the clamping piece (204);
the detection disc (201) comprises a main shaft hole (201 a), an annular groove (201 b) and annular clamping teeth (201 c), wherein the main shaft hole (201 a) and the annular groove (201 b) are formed in the upper end of the detection disc (201), the annular clamping teeth (201 c) are formed in the inner wall of the annular groove (201 b), the main shaft hole (201 a) penetrates through the detection disc (201) from top to bottom, and the sliding block (202) is arranged in the annular groove (201 b);
the sliding block (202) comprises a sliding limit groove (202 a), a spring latch block (202 b), a sliding extrusion groove (202 c) and a rotating hole (202 d), wherein the sliding limit groove (202 a) is formed in the circumferential surface of the sliding block (202), the spring latch block (202 b) is arranged in the sliding limit groove (202 a), the sliding extrusion groove (202 c) and the rotating hole (202 d) are formed in the upper end of the sliding block (202), and the sliding extrusion groove (202 c) is communicated with the sliding limit groove (202 a);
the side surface of the spring latch block (202 b) is provided with a plurality of rollers (202 b-1), and the rollers (202 b-1) are provided with a plurality of rollers;
the extrusion block (203) comprises an inclined surface block (203 a) and a middle groove (203 b), the inclined surface block (203 a) is arranged at the lower end of the extrusion block (203), the middle groove (203 b) is arranged on the side surface of the extrusion block (203), the extrusion block (203) is in threaded connection with a bolt rod (203 c), the inclined surface block (203 a) is inserted into the sliding extrusion groove (202 c) and is matched with the roller (202 b-1), and the bolt rod (203 c) is arranged in the rotating hole (202 d);
the upper end of the sliding block (202) is also provided with a circular column (202 e), the upper end of the circular column (202 e) is provided with a tooth clamping groove (202 e-1), and a support column (202 e-2) is arranged in the tooth clamping groove (202 e-1);
the clamping piece (204) comprises a pulling column (204 a) and an adjusting column, and the pulling column (204 a) is connected with the adjusting column;
the pulling column (204 a) comprises an arc-shaped clamping groove (204 a-1) and a spring column (204 a-2), the arc-shaped clamping groove (204 a-1) and the spring column (204 a-2) are arranged at the lower end of the pulling column (204 a), and the two spring columns (204 a-2) are symmetrically arranged along the central line of the pulling column (204 a);
the adjusting column comprises an arc-shaped supporting disc (204 b-1) and a gear disc (204 b-2), the arc-shaped supporting disc (204 b-1) is arranged at the upper end of the gear disc (204 b-2), and the gear disc (204 b-2) is arranged in the latch groove (202 e-1);
the arc-shaped supporting disc (204 b-1) is provided with a supporting slotted hole (204 b-11), and the spring column (204 a-2) is inserted into the supporting slotted hole (204 b-11);
the lower end of the gear disc (204 b-2) is provided with a through hole (204 b-21), and the support column (202 e-2) is inserted into the through hole (204 b-21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311222735.4A CN117240010B (en) | 2023-09-21 | 2023-09-21 | Axial magnetic flux permanent magnet synchronous motor with main shaft on-line monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311222735.4A CN117240010B (en) | 2023-09-21 | 2023-09-21 | Axial magnetic flux permanent magnet synchronous motor with main shaft on-line monitoring function |
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| Publication Number | Publication Date |
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| CN117240010A CN117240010A (en) | 2023-12-15 |
| CN117240010B true CN117240010B (en) | 2024-03-12 |
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| CN117240010A (en) | 2023-12-15 |
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Effective date of registration: 20240611 Address after: 223499 Factory Buildings 5 # and 7 # of Innovation and Entrepreneurship Park in Lianshui County Economic Development Zone, Huai'an City, Jiangsu Province Patentee after: Bozun Power Technology (Jiangsu) Co.,Ltd. Country or region after: China Address before: 200444 No. 99, upper road, Shanghai, Baoshan District Patentee before: Shanghai University Country or region before: China |