CN201699569U - IGBT power module system - Google Patents
IGBT power module system Download PDFInfo
- Publication number
- CN201699569U CN201699569U CN 201020172268 CN201020172268U CN201699569U CN 201699569 U CN201699569 U CN 201699569U CN 201020172268 CN201020172268 CN 201020172268 CN 201020172268 U CN201020172268 U CN 201020172268U CN 201699569 U CN201699569 U CN 201699569U
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- igbt
- igbt power
- power module
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- blower fan
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- Expired - Lifetime
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- 239000000758 substrate Substances 0.000 claims description 58
- 230000000712 assembly Effects 0.000 claims description 25
- 238000000429 assembly Methods 0.000 claims description 25
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000011438 discrete method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
An IGBT power module system comprises two IGBT power module components, an upper side accessory, a lower side accessory and a blower. The base plate of each module component comprises two lateral sides, the IGBT radiator heat exchange blade side of the module component passes through the base plate mounting hole and is positioned on the back side of the base plate, and the lateral sides of the base plates of the two IGBT power module components are matched to form a ventilation passage; the upper side accessory and the lower side accessory connect the upper ends and the lower ends of the matched base plate lateral sides of the two IGBT power module components together respectively; and the blower is arranged on the upper side accessory or the lower side accessory and ensures the air inlet or air outlet of the blower to be positioned inside the ventilation passage. The IGBT power module system has compact structure, more sufficient equipment space utilization and more optimized equipment space, improves power class and power density, and well solves the non-uniform current problem of parallelly connected IGBTs. Meanwhile, the complete machine of the equipment realizes smaller volume and more optimized cost.
Description
Technical field
The utility model relates to a kind of IGBT power model, is specifically related to a kind of system that is made up of the IGBT power model.
Background technology
Fast development along with industrial technology, the large-scale power electronic equipment in the application of every profession and trade more and more widely, power grade and power density are also more and more higher, the IGBT power model of use in power electronic equipment, because environment for use is special, require the power model compact conformation, easy to maintenance, power density is high, therefore, the IGBT power model usually is designed to the modular unit of a perfect in shape and function.
At present, the IGBT power model is made up of in conjunction with a considerable amount of dc filter capacitors a plurality of discrete IGBT element parallel connections usually again, and there is following defective in existing IGBT power model:
1, owing to the restriction of power electronic equipment complete machine structure volume, IGBT number of elements in parallel is limited, can not satisfy the demand of high power level and high power density;
2, too much the direct parallel connection of IGBT element is unfavorable for reducing stray inductance between filter capacitor and the IGBT element, cause that easily current unevenness weighs between the IGBT element, and uneven flow problem has brought a lot of problems to structural design;
3, adopt the existing IGBT power model discrete method that is arranged in parallel mutually, can cause the power electronic equipment machine volume huger, be unfavorable for the raising with power density of reducing of machine volume, and bring very big pressure for the complete machine cost.
The utility model content
The technical problems to be solved in the utility model is, a kind of IGBT power model system is provided, overcome the prior art defective, improve the power grade and the power density of IGBT power model, satisfy the needs of power electronic equipment, make the power electronic equipment compact conformation the IGBT power model of high power level and high power density.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of IGBT power model system, comprise two independently IGBT power module assemblies, the substrate of each described IGBT power module assembly comprises the side that is positioned at its dorsal part extension of its two side direction, and IGBT radiator heat exchange blade one side of each described IGBT power module assembly is passed the corresponding mounting hole site of described substrate in this substrate dorsal part; It is characterized in that the side of two described IGBT power module assembly substrates is suitable and cooperate formation that the vent passages of the upside of electrochemical capacitor one side is installed from the following side direction of modular assembly installation IGBT module one side;
Described IGBT power model system also comprises upside annex, downside annex and blower fan, described upside annex links into an integrated entity the substrate side upper end that two described IGBT power module assemblies match, and described downside annex links into an integrated entity the substrate side lower end that two described IGBT power module assemblies match; Described blower fan is installed on described upside annex or the downside annex and guarantees that air inlet or air outlet are positioned at described vent passages.
In IGBT power model of the present utility model system, each described IGBT power module assembly comprises heat exchanger, this heat exchanger both side surface is suitable with the matching surface of the IGBT module of power module assembly, IGBT radiator respectively, and described IGBT module, heat exchanger, IGBT radiator cooperate successively and be installed on the described substrate.
In IGBT power model of the present utility model system, described blower fan is installed on the described downside annex; Described upside annex is a cuboid, and this cuboid and described vent passages upper end are suitable, and this cuboid primary flat is a ventilating surface, and this cuboid one or both ends side is connected with the end, side upper end of two described IGBT power module assembly substrates; Described downside annex and described vent passages lower end are suitable, and this downside annex comprises the blower fan installed surface that has air inlet, the end side that is positioned at the side lower end of two described IGBT power module assembly substrates of this blower fan installed surface one or both ends connection.
In IGBT power model of the present utility model system, a side lower end of the side that matches of two described IGBT power module assembly substrates comprises the breach that allows described blower fan to pass through, and described blower fan is installed on the described downside annex; Described upside annex is a cuboid, and this cuboid and described vent passages upper end are suitable, and this cuboid primary flat is a ventilating surface, and this cuboid one or both ends side is connected with the end, side upper end of two described IGBT power module assembly substrates; Described downside annex and described vent passages lower end are suitable, this downside annex comprises blower fan mounting panel and following end connection, this blower fan mounting panel and following end connection comprise corresponding air inlet respectively, described blower fan mounting panel comprises and has described air inlet, described blower fan is installed also can be by the base plate of described substrate side lower end breach, be positioned at the guide sides of this base plate one side and be positioned at the end side that this base plate one end matches with described substrate side lower end breach, described end connection down comprises the first side that is positioned at its both sides, be positioned at the passway relative with described second side with being positioned at its other end, second side that the one end connects the side lower end of two described IGBT power module assembly substrates, this passway width allows described blower fan mounting panel to pass through.
In IGBT power model of the present utility model system, described IGBT power module assembly comprises adaptive with described IGBT module and is connected above it IGBT protective cover.
In IGBT power model of the present utility model system, the butt joint of the side of the described substrate of two described IGBT power module assemblies cooperates, and these two described IGBT power module assembly structures are symmetrical along mating surface.
Implement IGBT power model of the present utility model system, compared with the prior art, its beneficial effect is:
1. by solving IGBT module heat dissipating problem, with two independently the IGBT power module assembly constitute a hard-packed IGBT power model system, improved power grade and power density, make device space utilization more abundant, volume is more optimized;
2. because IGBT power model system configuration compactness can solve the uneven flow problem that a plurality of IGBT parallel connections bring preferably, structural design is oversimplified;
3. use the equipment complete machine of this IGBT power model system can realize littleizationr of volume, cost is more optimized.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the perspective exploded view of the utility model IGBT power model a kind of embodiment of system.
Fig. 2 is the front view of the utility model IGBT power model system.
Fig. 3 is the shaft side figure of the utility model IGBT power model system.
Fig. 4 is the stereogram of a kind of execution mode of IGBT power module assembly in the utility model IGBT power model system.
Fig. 5 is the stereogram of a kind of execution mode of upside annex in the utility model IGBT power model system.
Fig. 6 is the stereogram of the following end connection 9 of downside annex in the utility model IGBT power model system.
Fig. 7 is the stereogram of protective cover 10 in the utility model IGBT power model system.
Fig. 8 is the blower fan mounting panel 18 of downside annex in the utility model IGBT power model system and the STRUCTURE DECOMPOSITION stereogram of blower fan 19.
Fig. 9 is the STRUCTURE DECOMPOSITION stereogram of heat exchanger 11 and IGBT radiator 20 in the utility model IGBT power model system.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 8, IGBT power model of the present utility model system comprises two independently IGBT power module assembly 5 and 6, upside annex 8, downside annex and blower fans 19.
IGBT power module assembly in the utility model IGBT power model system is the IGBT power model with complete power amplification function.In the present embodiment, as Fig. 1, shown in Figure 4, the IGBT power module assembly comprises that substrate 1, DC filtering electrochemical capacitor 13, positive direct-current and negative DC B us are connected copper bar 14, insulating paper 15, noninductive absorption electric capacity 17, IGBT gate pole add-in card 4, IGBT drive plate 7, IGBT module 3, IGBT radiator 11, exchange and draw copper bar 2, IGBT radiator 20, electrochemical capacitor series connection and copper bar in parallel 16.
Electrochemical capacitor series connection and copper bar in parallel 16 are connected a plurality of DC filtering electrochemical capacitors 13 and be connected in parallel, and increase the electrochemical capacitor capacity and bear more high-tension purpose to reach; Positive direct-current is connected copper bar 14 with the path of short victory with negative DC B us, IGBT module 3 is connected with DC filtering electrochemical capacitor 13, and draws line bank in the top of assembly; Noninductive absorption electric capacity 17 directly is crimped on the positive and negative two ends of IGBT mould 3; Each has added an IGBT gate pole add-in card 4 above the IGBT module 3; IGBT drive plate 7 places the top of IGBT radiator 11 and IGBT module 3, is supported on above the IGBT radiator 11 by the bronze gong post; Interchange is drawn copper bar 2 the AC side short circuit and the parallel connection of a plurality of IGBT modules 3, to reach the IGBT purpose of using in parallel.
In other embodiments, the IGBT power module assembly can adopt other to satisfy the structure of complete power amplification function.
In the present embodiment, two IGBT power module assemblies 5 and 6 adopt following structure: the side butt joint of the substrate of two IGBT power module assemblies cooperates, and two IGBT power module assembly structures are symmetrical along mating surface.In other embodiments, two IGBT power module assemblies 5 can adopt different structures with 6, also can realize the object of the invention.
The substrate 1 of each IGBT power module assembly 5,6 comprises the side 101 that is positioned at its dorsal part extension of its two side direction, the corresponding mounting hole site that heat exchange blade one side of the IGBT radiator 20 of each IGBT power module assembly 5,6 is passed substrate 1 is in the dorsal part of substrate 1, and the substrate side of two IGBT power module assemblies 5,6 101 is suitable and cooperate and form the vent passages that the following side direction of IGBT module 3 one sides being installed from modular assembly is installed the upside of electrochemical capacitor 13 1 sides.
In the present embodiment, the spacing width of the substrate side 101 suitable employing substrate sides 101 of two IGBT power module assemblies 5,6 is identical, the substrate side of two IGBT power module assemblies 5,6 101 docks the structure that cooperates mutually, forms vent passages.In other embodiments, the inboard spacing width of the substrate side 101 of an IGBT power module assembly of substrate side 101 suitable employings of two IGBT power module assemblies 5,6 matches with the outside spacing width of the substrate side 101 of another IGBT power module assembly, the structure of the substrate side 101 mutually nested cooperations of two power module assemblies forms vent passages, also can realize the object of the invention.
In the present embodiment, blower fan 19 is installed on the downside annex, and the air outlet of blower fan is positioned at vent passages.In other embodiments, blower fan 19 also can be installed on the upside annex, and the air inlet of blower fan is positioned at vent passages.
As shown in Figure 5, in the present embodiment, upside annex 8 adopts rectangular structure, the vent passages upper end that the substrate side 101 of this cuboid and two IGBT power module assemblies 5,6 constitutes is suitable, the primary flat of cuboid is a ventilating surface, and the one or both ends side of cuboid is connected (can adopt be threaded, syndeton such as welding) with the end, substrate side 101 upper end of two IGBT power module assemblies 5,6.
In other embodiments, the structure that upside annex 8 can adopt the upper end of other substrate sides 101 that two IGBT power module assemblies 5,6 are matched to link into an integrated entity links into an integrated entity as the side upper end of adopting the substrate side 101 that the connecting plate structure matches two IGBT power module assemblies 5,6 or upper end, both sides etc.
As Fig. 1, Fig. 6, shown in Figure 8, in the present embodiment, the downside annex adopts following structure: (at this moment, as shown in Figure 1, a side lower end of the side that matches of the substrate 101 of two IGBT power module assemblies 5,6 comprises the breach that allows blower fan 19 to pass through) the downside annex comprises blower fan mounting panel 18 and following end connection 9.Blower fan mounting panel 18 and following end connection 9 comprise corresponding air inlet respectively, blower fan mounting panel 18 comprises and has air inlet, blower fan and base plate that can be by substrate side 101 lower end breach are installed, are positioned at the guide sides of this base plate one side and are positioned at the end side that this base plate one end matches with described substrate side lower end breach, the end side can adopt bolt to be connected with substrate side or snap fit connects, and also can adopt to cooperatively interact but unconnected frame mode.Following end connection 9 comprises the first side that is positioned at its both sides, the passway relative with the second side with being positioned at its other end, second side that is positioned at the side lower end of two IGBT power module assembly substrates of one end connection, and this passway width allows blower fan mounting panel to pass through.Adopt the downside accessory structure of present embodiment, when blower fan 19 breaks down, can directly blower fan mounting panel 18 be extracted out, the blower fan 19 that is installed on the blower fan mounting panel 18 is keeped in repair, and do not need to remove down end connection 9, greatly facilitate maintenance operation to blower fan 19.
In other embodiments, the downside annex can also adopt following structure: when blower fan 19 is installed on the upside annex, the structure that the downside annex can adopt the lower end with the substrate side 101 of two IGBT power module assemblies 5,6 to link into an integrated entity links into an integrated entity as a side lower end or the lower end, both sides of adopting the substrate side 101 that the connecting plate structure matches two IGBT power module assemblies 5,6; When blower fan 19 is installed on the downside annex, the downside annex can adopt the suitable structure in lower end of other and vent passages, as adopt following structure: the downside annex comprises the blower fan installed surface that has air inlet, be positioned at the side of end, lower end that these blower fan installed surface one or both ends connect the substrate side 101 of two IGBT power module assemblies 5,6, links into an integrated entity by the lower end of this side with the substrate side 101 of two IGBT power module assemblies 5,6.
In order to improve the heat exchange efficiency of IGBT power module assembly to IGBT module 3, in the present embodiment, each IGBT power module assembly is provided with heat exchanger 11 (as Fig. 4, shown in Figure 9), the both side surface of heat exchanger 11 respectively with the IGBT module 3 of power module assembly, IGBT radiator 20 cooperate epiphase adaptive, IGBT module 3, heat exchanger 11 and IGBT radiator 20 cooperate successively and are installed on the substrate 1, heat exchanger 11 can be realized the heat of IGBT module 3 is delivered to IGBT radiator 20 fast, reaches the purpose that improves heat exchange efficiency.
In other embodiments, heat exchanger 11 can be set, not influence the realization of the basic goal of the invention of the utility model.
As Fig. 1, shown in Figure 7, in order to protect IGBT module 3 and to realize purpose attractive in appearance, IGBT protective cover 10 is set, protective cover 10 and IGBT module 3 are adaptive and be connected the top of IGBT module 3.
As shown in Figure 1, when IGBT power model of the present utility model system is installed in the bucket formula structure 100 of an end sealing (in cabinet), air can form the cooling blast of circulation in this enclosed environment, when IGBT power model of the present utility model system is installed in the open environment, IGBT power model system forms cooling blast from an end air intake, other end air-out.
Claims (6)
1. IGBT power model system, comprise two independently IGBT power module assemblies, the substrate of each described IGBT power module assembly comprises the side that is positioned at its dorsal part extension of its two side direction, and IGBT radiator heat exchange blade one side of each described IGBT power module assembly is passed the corresponding mounting hole site of described substrate in this substrate dorsal part; It is characterized in that the side of two described IGBT power module assembly substrates is suitable and cooperate formation that the vent passages of the upside of electrochemical capacitor one side is installed from the following side direction of modular assembly installation IGBT module one side;
Described IGBT power model system also comprises upside annex, downside annex and blower fan, described upside annex links into an integrated entity the substrate side upper end that two described IGBT power module assemblies match, and described downside annex links into an integrated entity the substrate side lower end that two described IGBT power module assemblies match; Described blower fan is installed on described upside annex or the downside annex and guarantees that air inlet or air outlet are positioned at described vent passages.
2. IGBT power model as claimed in claim 1 system, it is characterized in that: each described IGBT power module assembly comprises heat exchanger, this heat exchanger both side surface is suitable with the matching surface of the IGBT module of power module assembly, IGBT radiator respectively, and described IGBT module, heat exchanger, IGBT radiator cooperate successively and be installed on the described substrate.
3. IGBT power model as claimed in claim 1 system, it is characterized in that: described blower fan is installed on the described downside annex; Described upside annex is a cuboid, and this cuboid and described vent passages upper end are suitable, and this cuboid primary flat is a ventilating surface, and this cuboid one or both ends side is connected with the end, side upper end of two described IGBT power module assembly substrates; Described downside annex and described vent passages lower end are suitable, and this downside annex comprises the blower fan installed surface that has air inlet, the end side that is positioned at the side lower end of two described IGBT power module assembly substrates of this blower fan installed surface one or both ends connection.
4. IGBT power model as claimed in claim 1 system is characterized in that: a side lower end of the side that matches of two described IGBT power module assembly substrates comprises the breach that allows described blower fan to pass through, and described blower fan is installed on the described downside annex; Described upside annex is a cuboid, and this cuboid and described vent passages upper end are suitable, and this cuboid primary flat is a ventilating surface, and this cuboid one or both ends side is connected with the end, side upper end of two described IGBT power module assembly substrates; Described downside annex and described vent passages lower end are suitable, this downside annex comprises blower fan mounting panel and following end connection, this blower fan mounting panel and following end connection comprise corresponding air inlet respectively, described blower fan mounting panel comprises and has described air inlet, described blower fan is installed also can be by the base plate of described substrate side lower end breach, be positioned at the guide sides of this base plate one side and be positioned at the end side that this base plate one end matches with described substrate side lower end breach, described end connection down comprises the first side that is positioned at its both sides, be positioned at the passway relative with described second side with being positioned at its other end, second side that the one end connects the side lower end of two described IGBT power module assembly substrates, this passway width allows described blower fan mounting panel to pass through.
5. IGBT power model as claimed in claim 1 system is characterized in that: described IGBT power module assembly comprises adaptive with described IGBT module and is connected above it IGBT protective cover.
6. as the described IGBT power model of one of claim 1 to 5 system, it is characterized in that: the side butt joint of the described substrate of two described IGBT power module assemblies cooperates, and these two described IGBT power module assembly structures are symmetrical along mating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020172268 CN201699569U (en) | 2010-04-22 | 2010-04-22 | IGBT power module system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020172268 CN201699569U (en) | 2010-04-22 | 2010-04-22 | IGBT power module system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699569U true CN201699569U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020172268 Expired - Lifetime CN201699569U (en) | 2010-04-22 | 2010-04-22 | IGBT power module system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201699569U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723853A (en) * | 2012-06-15 | 2012-10-10 | 上方能源技术(杭州)有限公司 | Power module set for high-power converter equipment |
| CN104410249A (en) * | 2014-12-12 | 2015-03-11 | 天津电气科学研究院有限公司 | Part arrangement structure for modularized power units |
| CN106159964A (en) * | 2015-04-22 | 2016-11-23 | 特变电工新疆新能源股份有限公司 | A kind of power model |
| CN112448597A (en) * | 2019-09-03 | 2021-03-05 | 株洲中车时代电气股份有限公司 | Power cell arrangement |
| CN115312480A (en) * | 2022-10-11 | 2022-11-08 | 合肥中恒微半导体有限公司 | DBC substrate for IGBT power module |
-
2010
- 2010-04-22 CN CN 201020172268 patent/CN201699569U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723853A (en) * | 2012-06-15 | 2012-10-10 | 上方能源技术(杭州)有限公司 | Power module set for high-power converter equipment |
| CN104410249A (en) * | 2014-12-12 | 2015-03-11 | 天津电气科学研究院有限公司 | Part arrangement structure for modularized power units |
| CN106159964A (en) * | 2015-04-22 | 2016-11-23 | 特变电工新疆新能源股份有限公司 | A kind of power model |
| CN106159964B (en) * | 2015-04-22 | 2020-10-27 | 特变电工新疆新能源股份有限公司 | Power module |
| CN112448597A (en) * | 2019-09-03 | 2021-03-05 | 株洲中车时代电气股份有限公司 | Power cell arrangement |
| CN112448597B (en) * | 2019-09-03 | 2022-03-08 | 株洲中车时代电气股份有限公司 | Power cell arrangement |
| CN115312480A (en) * | 2022-10-11 | 2022-11-08 | 合肥中恒微半导体有限公司 | DBC substrate for IGBT power module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HOPEWIND ELECTRIC CO., LTD. Free format text: FORMER NAME: SHENZHEN HEWANG ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town village official Liuzhou Industrial Zone No. 5 Building second layer 1-3 Patentee after: Shenzhen's standing grain hopes electric limited company Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Dragon Village Second Industrial District 5 Building 5 floor Patentee before: Shenzhen Hewang Electric Co., Ltd. Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town village official Liuzhou Industrial Zone No. 5 Building second layer 1-3 Patentee after: Shenzhen's standing grain hopes electric limited company Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Dragon Village Second Industrial District 5 Building 5 floor Patentee before: Shenzhen Hewang Electric Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
|
| CX01 | Expiry of patent term |