CN108773145B - Heating device of laminator - Google Patents
Heating device of laminator Download PDFInfo
- Publication number
- CN108773145B CN108773145B CN201810552378.0A CN201810552378A CN108773145B CN 108773145 B CN108773145 B CN 108773145B CN 201810552378 A CN201810552378 A CN 201810552378A CN 108773145 B CN108773145 B CN 108773145B
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- Prior art keywords
- layer
- heat
- heating
- electric heating
- heating pipes
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The invention discloses a heating device of a laminating machine, which comprises a shell, wherein three layers of heating pipes are arranged in the shell in parallel, the heating pipes at the top layer and the bottom layer are symmetrically arranged, the heating pipes at the middle layer and the heating pipes at the two sides of the heating pipes are arranged in a staggered manner, a temperature sensor is arranged between two adjacent heating pipes at the middle layer, a heat-conducting silica gel layer is filled in the shell, arc-shaped grooves are formed in the positions, located on the top layer heating pipes and the bottom layer heating pipes, of the heat-conducting silica gel layer, the top layer heating pipes and the bottom layer heating pipes are located in the arc-shaped grooves, each heating pipe comprises an outer sleeve. The invention can improve the defects of the prior art and further reduce the temperature difference of the heating device of the laminating machine.
Description
Technical Field
The invention relates to the technical field of hot pressing, in particular to a heating device of a laminating machine.
Background
The laminating machine is widely applied to the laminating and packaging of various flat plate materials. The temperature uniformity of the heating plate has a direct influence on the quality of the packaged product. If the temperature is not uniform, the problems of local expansion with heat and contraction with cold can occur, and the problems of bubbles, bending, even crushing and the like can occur. In the prior art, in order to obtain a heating plate with high temperature uniformity, high-temperature heat conduction oil is generally used for circularly flowing in a coil pipe in the heating plate to heat the heating plate. However, the heat conduction oil has thermal attenuation in the heating plate, so that the inlet temperature and the outlet temperature of the heat conduction oil cannot be consistent, the temperature difference of the heating plate cannot be reduced to be less than 0.7 ℃ per square meter, and the technical bottleneck of the laminating machine is formed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a heating device of a laminating machine and a control method thereof, which can solve the defects of the prior art and further reduce the temperature difference of the heating device of the laminating machine.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
The utility model provides a heating device of laminator, which comprises an outer shell, parallel arrangement has three-layer heating pipe in the shell, the heating pipe of top layer and the heating pipe symmetry setting of bottom, the heating pipe in intermediate level sets up rather than the heating pipe of both sides is crisscross, be provided with a temperature sensor between two adjacent heating pipes in intermediate level, the shell intussuseption is filled with heat conduction silica gel layer, the position that heat conduction silica gel layer is located top layer heating pipe and bottom heating pipe is provided with the arc recess, top layer heating pipe and bottom heating pipe are located the arc recess, the heating pipe is including concentric outer tube and the interior sleeve pipe that sets up, be filled with the conduction oil.
Preferably, the electric heating wires in the inner sleeve are divided into a plurality of sections which are arranged in parallel, all the electric heating wires are divided into two groups, the two groups of electric heating wires are alternately arranged in the inner sleeve at intervals, the electric heating wires in the same group are mutually parallel, the included angle of the axes of the adjacent electric heating wires is 13-degree 28', the adjacent electric heating wires are partially overlapped in the radial direction of the inner sleeve, and the overlapped part accounts for 20% of the total length of the electric heating wires.
Preferably, the inner wall of the outer sleeve is provided with a first heat-sensitive metal heat-conducting layer, the outer wall of the inner sleeve is provided with a second heat-sensitive metal heat-conducting layer, a heat-conducting insulating elastic rubber layer is arranged between the first heat-sensitive metal heat-conducting layer and the second heat-sensitive metal heat-conducting layer, and the thermal expansion coefficient of the first heat-sensitive metal heat-conducting layer is larger than that of the second heat-sensitive metal heat-conducting layer.
Preferably, a plurality of concave parts are uniformly arranged on the first heat-sensitive metal heat-conducting layer, convex parts which correspond to the concave parts one by one are arranged on the second heat-sensitive metal heat-conducting layer, and hard metal supports are connected between the concave parts and the convex parts.
Preferably, the temperature sensor is positioned between the top layer heating pipe and the middle layer heating layer, and the ratio of the distance from the temperature sensor to the plane where the top layer heating pipe is located to the distance from the temperature sensor to the plane where the middle layer heating pipe is located is 1: 2.
Preferably, the flow cross-sectional area of the heat transfer oil and the distance between the flow cross-section and the liquid inlet end of the heating pipe satisfy the following functional relationship,
wherein k 1-k 3 are proportionality constants, L is the distance between the flow section and the liquid inlet end of the heating pipe, and s is the flow section.
Preferably, it is mentioned.
Preferably, a wire mesh layer is provided at a connection between the third pump body and the first flow valve.
A method for controlling the heating device of the laminator comprises the following steps:
A. the temperature sensor measures the temperature in the shell and adjusts the temperature of the heat conducting oil, so that the temperature at the inlet of the heating pipe is controlled at a set value;
B. the temperature sensors measure the temperatures of the rest positions, and curve fitting is carried out on the measurement results to obtain a temperature change curve;
C. heating and warming the electric heating wires in each heating pipe according to the difference value between the temperature value on the temperature curve of the position where the heating pipe is positioned and the set value, wherein the heating temperature of the electric heating wires is higher than the set value, and the difference value between the heating temperature of the electric heating wires and the set value is equal to the difference value between the temperature value on the temperature curve of the corresponding position and the set value;
D. after the electric heating wire is heated, the heating temperature of the electric heating wire is adjusted in real time according to the temperature change measured by the temperature sensor;
the electric heating wires in the top heating pipe and the bottom heating pipe are adjusted according to the temperature changes measured by the two temperature sensors which are closest to the electric heating wires, the adjusting process follows the following functional relation,
；
the middle layer heating pipe is adjusted according to the temperature change measured by the temperature sensors at the two sides of the middle layer heating pipe, the adjusting process follows the following functional relation,
；
wherein T1 is the temperature change rate of the temperature sensor at the side with larger difference with the set value, T2 is the temperature change rate of the temperature sensor at the side with smaller difference with the set value, k 4-k 7 are proportionality constants, and T is the temperature adjustment variation of the electric heating wire;
E. after the electric heating wire is subjected to heating compensation, secondary compensation adjustment is carried out on fluctuation of the temperature at the inlet of the heating pipe by adjusting the flow velocity of the heat conducting oil, so that the fluctuation rate of the temperature of the whole heating device is reduced.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: according to the invention, the heat conduction oil and the electric heating are organically combined, the heat conduction oil heating system is supplemented through the electric heating, and the temperature attenuation problem in the heat conduction oil heating system is effectively compensated. The distribution uniformity of the high-temperature field can be effectively improved by the arrangement structure of the heating pipes. The electric heating wires at different positions carry out heating temperature adjustment in different modes according to the measuring result of the temperature sensor, the temperature adjustment of the electric heating wires adjusts the elastic deformation of the two layers of heat-sensitive metal heat-conducting layers, and the elastic deformation of the two layers of heat-sensitive metal heat-conducting layers simultaneously carries out feedback intervention on the transmission efficiency of the heat productivity of the electric heating wires, so that the hysteresis of the electric heating wires for heating the heat-conducting oil is reduced, the temperature uniformity of the whole heating device is improved, and the temperature difference is further reduced.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a block diagram of the inner cannula according to an embodiment of the invention.
FIG. 3 is a partial cross-sectional view of a heating tube in accordance with an embodiment of the present invention.
In the figure: 1. a housing; 2. a temperature sensor; 3. a heat conductive silica gel layer; 4. an arc-shaped groove; 5. an outer sleeve; 6. an inner sleeve; 7. an electric heating wire; 8. a first heat-sensitive metal heat-conducting layer; 9. a second heat-sensitive metal heat-conducting layer; 10. a heat-conducting insulating elastic rubber layer; 11. a recessed portion; 12. a boss portion; 13. a hard metal bracket; 14. a heat conductive metal sheet; 15. a sliding sleeve; 16. a support rod.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-3, a specific embodiment of the present invention includes a housing 1, three layers of heating pipes are arranged in parallel in the housing 1, the heating pipes at the top layer and the heating pipes at the bottom layer are symmetrically arranged, the heating pipes at the middle layer are arranged in a staggered manner with the heating pipes at both sides thereof, a temperature sensor 2 is arranged between two adjacent heating pipes at the middle layer, a heat-conducting silica gel layer 3 is filled in the housing 1, arc-shaped grooves 4 are arranged at positions of the heat-conducting silica gel layer 3 at the top layer and the bottom layer, the top layer and the bottom layer heating pipes are arranged in the arc-shaped grooves 4, the heating pipes include an outer sleeve 5 and an inner sleeve 6 which are concentrically arranged, heat-conducting oil. The electric heating wires 7 in the inner sleeve 6 are divided into a plurality of sections which are arranged in parallel, all the electric heating wires 7 are divided into two groups, two groups of electric heating wires 7 are alternately arranged in the inner sleeve 6 at intervals, the electric heating wires 7 in the same group are mutually parallel, the included angle of the axes of the adjacent electric heating wires 7 is 13 degrees 28', the adjacent electric heating wires 7 are partially overlapped in the radial direction of the inner sleeve 6, and the overlapped part accounts for 20 percent of the total length of the electric heating wires 7. The inner wall of the outer sleeve 5 is provided with a first heat-sensitive metal heat-conducting layer 8, the outer wall of the inner sleeve 6 is provided with a second heat-sensitive metal heat-conducting layer 9, a heat-conducting insulating elastic rubber layer 10 is arranged between the first heat-sensitive metal heat-conducting layer 8 and the second heat-sensitive metal heat-conducting layer 9, and the thermal expansion coefficient of the first heat-sensitive metal heat-conducting layer 8 is larger than that of the second heat-sensitive metal heat-conducting layer 9. A plurality of concave parts 11 are uniformly arranged on the first heat-sensitive metal heat-conducting layer 8, convex parts 12 which are in one-to-one correspondence with the concave parts 11 are arranged on the second heat-sensitive metal heat-conducting layer 9, and hard metal supports 13 are connected between the concave parts 11 and the convex parts 12. The temperature sensor 2 is positioned between the top layer heating pipe and the middle layer heating layer, and the ratio of the distance from the temperature sensor 2 to the plane where the top layer heating pipe is positioned to the distance from the temperature sensor 2 to the plane where the middle layer heating pipe is positioned is 1: 2.
The flow sectional area of the heat-conducting oil and the distance between the flow sectional area and the liquid inlet end of the heating pipe satisfy the following functional relationship,
wherein k 1-k 3 are proportionality constants, L is the distance between the flow section and the liquid inlet end of the heating pipe, and s is the flow section.
In addition, a heat conducting metal sheet 14 penetrates through the inner sleeve 6, the top of the heat conducting metal sheet 14 is fixedly connected with the top end of the boss 12, two sliding sleeves 15 are slidably arranged on the heat conducting metal sheet 14, a support rod 16 is hinged on the sliding sleeves 15, and the top of the support rod 16 is in sliding pressure joint with the boss 12. The heat conducting metal sheet 14 changes the local deformation of the second heat-sensitive metal heat conducting layer 9 through direct heat transfer, and can effectively reduce the nonlinearity of the temperature transfer process.
A method for controlling the heating device of the laminator comprises the following steps:
A. the temperature sensor 2 measures the temperature in the shell 1 and adjusts the temperature of the heat-conducting oil, so that the temperature at the inlet of the heating pipe is controlled at a set value;
B. the temperature sensor 2 measures the temperatures of the rest positions, and curve fitting is carried out on the measurement result to obtain a temperature change curve;
C. the electric heating wires 7 in each heating pipe are heated according to the difference value between the temperature value on the temperature curve of the position where the heating pipe is located and the set value, the heating temperature of the electric heating wires 7 is higher than the set value, and the difference value between the heating temperature of the electric heating wires 7 and the set value is equal to the difference value between the temperature value on the temperature curve of the corresponding position and the set value;
D. after the electric heating wire 7 is heated, the heating temperature of the electric heating wire 7 is adjusted in real time according to the temperature change measured by the temperature sensor;
the electric heating wires 7 in the top heating pipe and the bottom heating pipe are adjusted according to the temperature changes measured by the two temperature sensors closest to the electric heating wires, the adjusting process follows the following functional relation,
；
the middle layer heating pipe is adjusted according to the temperature change measured by the temperature sensors at the two sides of the middle layer heating pipe, the adjusting process follows the following functional relation,
；
wherein T1 is the temperature change rate of the temperature sensor on the side with a larger difference from the set value, T2 is the temperature change rate of the temperature sensor on the side with a smaller difference from the set value, k 4-k 7 are proportionality constants, and T is the temperature adjustment variation of the electric heating wire 7;
E. after the electric heating wire 7 is subjected to heating compensation, secondary compensation adjustment is carried out on fluctuation of the temperature at the inlet of the heating pipe by adjusting the flow velocity of the heat conducting oil, so that the fluctuation rate of the temperature of the whole heating device is reduced.
In addition, in step C, the two groups of electric heating wires 7 in the same inner sleeve 6 are alternately turned on for heating. The heating mode can form the circulation movement of the temperature field in the inner sleeve, thereby reducing the hysteresis of the relative elastic deformation amount of the two heat-sensitive metal heat-conducting layers.
The invention can reduce the temperature difference of the laminating machine to be below 0.25 ℃ per square meter.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A heating device of laminator which characterized in that: the heating device comprises a shell (1), three layers of heating pipes are arranged in parallel in the shell (1), the heating pipes at the top layer and the bottom layer are symmetrically arranged, the heating pipes at the middle layer and the heating pipes at the two sides of the heating pipes at the middle layer are arranged in a staggered manner, a temperature sensor (2) is arranged between every two adjacent heating pipes at the middle layer, a heat-conducting silica gel layer (3) is filled in the shell (1), arc-shaped grooves (4) are formed in the positions, located on the top layer heating pipe and the bottom layer heating pipe, of the heat-conducting silica gel layer (3), the top layer heating pipe and the bottom layer heating pipe are located in the arc-shaped grooves (4), the heating pipes comprise outer sleeves (5) and inner sleeves (6) which are concentrically; a first heat-sensitive metal heat conduction layer (8) is arranged on the inner wall of the outer sleeve (5), a second heat-sensitive metal heat conduction layer (9) is arranged on the outer wall of the inner sleeve (6), a heat-conducting insulating elastic rubber layer (10) is arranged between the first heat-sensitive metal heat conduction layer (8) and the second heat-sensitive metal heat conduction layer (9), and the thermal expansion coefficient of the first heat-sensitive metal heat conduction layer (8) is larger than that of the second heat-sensitive metal heat conduction layer (9); a plurality of concave parts (11) are uniformly arranged on the first heat-sensitive metal heat-conducting layer (8), convex parts (12) which are in one-to-one correspondence with the concave parts (11) are arranged on the second heat-sensitive metal heat-conducting layer (9), and hard metal brackets (13) are connected between the concave parts (11) and the convex parts (12); the electric heating wires (7) in the inner sleeve (6) are divided into a plurality of sections which are arranged in parallel, all the electric heating wires (7) are divided into two groups, the two groups of electric heating wires (7) are alternately arranged in the inner sleeve (6) at intervals, the electric heating wires (7) in the same group are mutually parallel, the included angle of the axes of the adjacent electric heating wires (7) is 13 degrees 28', the adjacent electric heating wires (7) are partially overlapped in the radial direction of the inner sleeve (6), and the overlapped part accounts for 20 percent of the total length of the electric heating wires (7); the temperature sensor (2) is positioned between the top-layer heating pipe and the middle-layer heating pipe, and the ratio of the distance from the temperature sensor (2) to the plane where the top-layer heating pipe is located to the distance from the temperature sensor (2) to the plane where the middle-layer heating pipe is located is 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552378.0A CN108773145B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552378.0A CN108773145B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminator |
| CN201510987308.4A CN105383145B (en) | 2015-12-27 | 2015-12-27 | The heating unit and its control method of a kind of laminating machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987308.4A Division CN105383145B (en) | 2015-12-27 | 2015-12-27 | The heating unit and its control method of a kind of laminating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108773145A CN108773145A (en) | 2018-11-09 |
| CN108773145B true CN108773145B (en) | 2019-12-31 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553808.0A Active CN108819419B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminating machine and control method thereof |
| CN201810552378.0A Active CN108773145B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminator |
| CN201810553800.4A Expired - Fee Related CN108790361B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminating machine and control method thereof |
| CN201510987308.4A Active CN105383145B (en) | 2015-12-27 | 2015-12-27 | The heating unit and its control method of a kind of laminating machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810553808.0A Active CN108819419B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminating machine and control method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810553800.4A Expired - Fee Related CN108790361B (en) | 2015-12-27 | 2015-12-27 | Heating device of laminating machine and control method thereof |
| CN201510987308.4A Active CN105383145B (en) | 2015-12-27 | 2015-12-27 | The heating unit and its control method of a kind of laminating machine |
Country Status (1)
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| CN (4) | CN108819419B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819419B (en) * | 2015-12-27 | 2020-04-24 | 乐清市川嘉电气科技有限公司 | Heating device of laminating machine and control method thereof |
| CN107588543A (en) * | 2017-11-03 | 2018-01-16 | 邹城市东基新热力管道防腐保温有限公司 | A kind of far infrared heater of wellhead anti-freezing |
| CN114179338A (en) * | 2021-11-30 | 2022-03-15 | 广州顺天装备制造有限公司 | Vacuum hot-pressing forming machine |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0365677A4 (en) * | 1988-03-18 | 1991-04-17 | Takai International Yacht Design Incorporated | Molding method and apparatus for laminated molded article |
| IE62089B1 (en) * | 1990-04-18 | 1994-12-14 | Faulkner Technology Limited | Improvements in and relating to Packing Materials |
| CN2735713Y (en) * | 2004-08-06 | 2005-10-19 | 李景文 | Hot plate of printed circuit multi-layer board pressing machine |
| CN101244639B (en) * | 2008-03-05 | 2012-10-31 | 臧登志 | Isothermal hot pressing board |
| CN201518323U (en) * | 2009-03-19 | 2010-06-30 | 魏星 | Solar cell assembly laminating machine heating platform |
| CN101879804A (en) * | 2009-05-07 | 2010-11-10 | 安吉申科太阳能设备制造有限公司 | Heating plate suitable for solar cell laminator |
| CN101898441A (en) * | 2009-05-31 | 2010-12-01 | 上海迪伐自动化设备科技有限公司 | Technology for guaranteeing temperature uniformity of laminating machine |
| CN201913861U (en) * | 2010-12-07 | 2011-08-03 | 无锡尚德太阳能电力有限公司 | Heating plate for laminating and packaging photovoltaic component and laminating machine provided with same |
| CN102529282A (en) * | 2010-12-07 | 2012-07-04 | 无锡尚德太阳能电力有限公司 | Heating plate for photovoltaic assembly lamination and packaging and laminating machine with same |
| CN202805879U (en) * | 2012-10-24 | 2013-03-20 | 赵鸣志 | Cell assembly laminating machine |
| CN103341901B (en) * | 2013-07-11 | 2017-11-10 | 福建农林大学 | A kind of wood-based plate hot pressing fast constant-temperaturecontrol control device and method |
| CN203994989U (en) * | 2014-08-21 | 2014-12-10 | 英利能源（中国）有限公司 | Single chamber layer press structure |
| CN104326185A (en) * | 2014-10-14 | 2015-02-04 | 天津兆华物流有限公司 | Container with inner heating casing |
| CN204249503U (en) * | 2014-11-06 | 2015-04-08 | 咸阳威迪机电科技有限公司 | A kind of electric boiling plate with cooling passage |
| CN108819419B (en) * | 2015-12-27 | 2020-04-24 | 乐清市川嘉电气科技有限公司 | Heating device of laminating machine and control method thereof |
-
2015
- 2015-12-27 CN CN201810553808.0A patent/CN108819419B/en active Active
- 2015-12-27 CN CN201810552378.0A patent/CN108773145B/en active Active
- 2015-12-27 CN CN201810553800.4A patent/CN108790361B/en not_active Expired - Fee Related
- 2015-12-27 CN CN201510987308.4A patent/CN105383145B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108790361A (en) | 2018-11-13 |
| CN108819419B (en) | 2020-04-24 |
| CN105383145A (en) | 2016-03-09 |
| CN108819419A (en) | 2018-11-16 |
| CN105383145B (en) | 2018-06-22 |
| CN108773145A (en) | 2018-11-09 |
| CN108790361B (en) | 2019-12-31 |
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Effective date of registration: 20191210 Address after: 325600 Yueqing City, Wenzhou City, Zhejiang Province, Chengnan Street Covered Village Applicant after: Yueqing Chuanjia Electric Technology Co.,Ltd. Address before: 213000 7 Olympic Park Road, Xinbei District, Changzhou, Jiangsu Applicant before: Yang Chunhua |
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Effective date of registration: 20211012 Address after: 271000 China Taishan high-end talent entrepreneurship base in the middle of Nantianmen street, development zone, Tai'an City, Shandong Province Patentee after: Taian Taishan Technology Co.,Ltd. Address before: 271000 high end talent entrepreneurship base in the middle of Nantianmen street, high tech Zone, Tai'an City, Shandong Province Patentee before: Taian Zhongquan Information Technology Co.,Ltd. Effective date of registration: 20211012 Address after: 271000 high end talent entrepreneurship base in the middle of Nantianmen street, high tech Zone, Tai'an City, Shandong Province Patentee after: Taian Zhongquan Information Technology Co.,Ltd. Address before: 325600 Gaizhu village, Chengnan street, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Yueqing Chuanjia Electric Technology Co.,Ltd. |
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