CN204666157U - The inertial measurement cluster of vibration isolation in pillar suspension type - Google Patents
The inertial measurement cluster of vibration isolation in pillar suspension type Download PDFInfo
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- CN204666157U CN204666157U CN201520291427.1U CN201520291427U CN204666157U CN 204666157 U CN204666157 U CN 204666157U CN 201520291427 U CN201520291427 U CN 201520291427U CN 204666157 U CN204666157 U CN 204666157U
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Abstract
The utility model relates to the technical field of inertial measurement cluster, disclose the inertial measurement cluster of vibration isolation in pillar suspension type, comprise shell, base, sensor and mass, the periphery of mass is convexly equipped with mounting lug outwardly, has upper limit hole and lower limit hole in described mounting lug; Upper limit is provided with cushion in hole, is provided with lower cushion in lower limit hole, and the lower surface of lower cushion is connected on base; Install in through hole and be equipped with pillar, the lower end of pillar is connected to base; Be convexly equipped with the first bulge loop outwardly in the middle part of pillar, the first bulge loop is connected to the upper surface of cushion.When inertial measurement cluster is operated in the environment of vibration and impact, by the elastic reaction of upper cushion and lower cushion, and spacing hole and the radial direction of pillar to cushion spacing, the conduction reducing vibrations and impact, do not need to establish outer vibration insulation structure shell is additional again, reduce installing space and install the requirement of operation, interior vibration insulation structure long service life, reduces costs.
Description
Technical field
The utility model relates to the technical field of inertial measurement cluster, particularly relates to the inertial measurement cluster of vibration isolation in pillar suspension type.
Background technology
Inertial measurement cluster is a kind of instrument measuring attitude of carrier angle and acceleration, in automobile navigation, UAV Flight Control, missile guidance, gesture feedback, robot controlling etc., have widespread use.
The internal core sensor of inertial measurement cluster is gyroscope and accelerometer respectively, sensor all has measurement range, if sensor is directly installed in the fixed installation plane of inertial measurement cluster, like this, the external vibration that whole inertial measurement cluster bears and impact will directly be conducted to sensor, in vibration, impact in environment for use bigger than normal, vibration has often exceeded the range of accelerometer, for selecting of sensor brings restriction.
In prior art, for meeting inertial measurement cluster at the application conditions vibrated and impact, inertial measurement cluster must increase vibration insulation structure, common vibration insulation structure set-up mode, install outer vibration insulation structure additional in the outside of inertial measurement cluster, such as use rubber blanket, skeletal support etc., like this, then there is larger defect still, because outer vibration insulation structure is exposed in environment for use, the aging of outer vibration insulation structure can be accelerated, even cause the problems such as corrosion, and, increase outer vibration insulation structure, add installing space and installation steps, such as, inertial measurement cluster is arranged on the unmanned plane of pesticide spraying, usually need to install outer vibration insulation structure additional to inertial measurement cluster, such as rubber vibration isolation, cable wire vibration isolation etc., outer vibration insulation structure can increase installing space, the requirement of operation is installed, the more important thing is, these vibration isolation materials all can by the impact of working environment, aging, corrosion, the reasons such as distortion cause service life reduction, increase use cost.
Utility model content
The purpose of this utility model is the inertial measurement cluster providing vibration isolation in pillar suspension type, be intended to solve inertial measurement cluster of the prior art and outer vibration insulation structure is set, there is the requirement increasing installing space and install operation, and outer vibration insulation structure is affected by environment, there will be aging, corrosion and the problem such as distortion, cause the problem that serviceable life is low and cost is high.
The utility model is achieved in that the inertial measurement cluster of vibration isolation in pillar suspension type, and comprise shell, base, sensor and the mass in unsettled layout, described shell has the cavity of lower ending opening, and described base is connected to the lower end of described shell; Described sensor is connected on described mass, the periphery of described mass is convexly equipped with mounting lug outwardly, there is in described mounting lug installation through hole, the madial wall of described installation through hole is provided with annular wall towards radial convex, and described installation through hole is divided into upper limit hole and lower limit hole by described annular wall; Be provided with cushion in described upper limit hole, the upper surface of described upper cushion is emerging in outside described upper limit hole, is provided with lower cushion in described lower limit hole, and the lower surface of described lower cushion is emerging in outside described lower limit hole, and is connected on described base; Be equipped with pillar in described installation through hole, described pillar is each passed through described upper cushion and lower cushion, and the lower end of described pillar is connected to base; Be convexly equipped with the first bulge loop outwardly in the middle part of described pillar, described first bulge loop is connected to the upper surface of described upper cushion.
Further, the periphery of described pillar is convexly equipped with the second bulge loop, described second bulge loop is positioned at the below of described first bulge loop, and described pillar has the first shell of column between described first bulge loop and the second bulge loop, and described upper cushion is set in outside described first shell of column.
Further, be formed with the intercommunicating pore being communicated with described first spacing hole and the second spacing hole in the middle of described annular wall, described second bulge loop is placed in described intercommunicating pore.
Further, the periphery of described pillar is provided with the 3rd bulge loop, and described 3rd bulge loop is positioned at the below of described second bulge loop, and described pillar has the second shell of column between described second bulge loop and the 3rd bulge loop, and described lower cushion is sheathed on outside described second shell of column.
Further, described base is provided with the first threaded hole, described pillar has the first linkage section be positioned at below described 3rd bulge loop, the periphery of described first linkage section is provided with external thread, described first linkage section is threaded with described first threaded hole, and described 3rd bulge loop is placed in described first threaded hole.
Further, described inertial measurement cluster comprises signal processing circuit board, and described pillar has the second linkage section be positioned at above described first bulge loop, and described signal processing circuit board is connected to described second linkage section.
Further, be provided with the second threaded hole in described second linkage section, bolt through described signal processing circuit board, and is connected in described second threaded hole.
Further, the upper surface of described second linkage section is provided with the breach for screwing installation.
Further, upper surface and the described signal processing circuit board of described second linkage section are provided with vibration isolator, and described bolt is each passed through vibration isolator and signal processing circuit board, are connected to described second threaded hole.
Further, the upper end of described base is provided with groove, and described groove and described mass are just to layout, and the lower end of described mass is unsettled is placed in described groove, the unsettled cavity being placed in shell in the upper end of described mass.
Compared with prior art, the inertial measurement cluster that the utility model provides, sensor is connected on mass, and the periphery of mass is provided with mounting lug, in the upper limit hole respectively upper cushion and lower cushion being placed on mounting lug and lower limit hole, recycling pillar is through mounting lug, lower cushion is connected on base, first bulge loop is connected on cushion, like this, when inertial measurement cluster is operated in the environment of vibration and impact, by the elastic reaction of upper cushion and lower cushion, and spacing hole and the radial direction of pillar to cushion spacing, the conduction that can greatly reduce vibrations and impact, reduce external vibration to the impact of sensor, and, do not need to establish outer vibration insulation structure shell is additional again, like this, do not need the requirement increasing installing space and install operation, and, interior vibration insulation structure can not be subject to the impact of environment, there will not be aging, the phenomenons such as corrosion and distortion, its long service life, greatly reduce costs.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the inertial measurement cluster of vibration isolation in the pillar suspension type that provides of the utility model embodiment;
Fig. 2 is the exploded perspective schematic diagram one of the inertial measurement cluster of vibration isolation in the pillar suspension type that provides of the utility model embodiment;
Fig. 3 is the A place enlarged diagram in Fig. 2;
Fig. 4 is the exploded perspective schematic diagram two of the inertial measurement cluster of vibration isolation in the pillar suspension type that provides of the utility model embodiment;
Fig. 5 is the schematic perspective view of the pillar that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
With reference to shown in Fig. 1 ~ 5, it is the preferred embodiment that the utility model provides.
In the pillar suspension type that the present embodiment provides, the inertial measurement cluster of vibration isolation comprises shell 101, mass 108, sensor 110, base 102 and interior vibration insulation structure, wherein, the cavity of lower ending opening is provided with in shell 101, base 102 is connected with the lower end of base 102, the capping lower ending opening of shell 101; Sensor 110 is connected on mass 108, and generally, sensor 110 is arranged on the normal surface of mass 108, certainly, according to actual needs, also sensor 110 can be arranged on other position of mass 108; The periphery of mass 108 is convexly equipped with multiple mounting lug 1081 outwardly, and multiple mounting lug 1081 is arranged around the periphery of described mass 108, and is provided with installation through hole 1082 in mounting lug 1081; Annular wall 1083 is provided with towards radial convex at the inwall of the installation through hole 1082 of mounting lug 1081, installation through hole 1082 is divided into upper limit hole and lower limit hole by this annular wall 1083, and is formed with the intercommunicating pore in UNICOM's upper limit hole and lower limit hole in annular wall 1083.
Interior vibration insulation structure comprises pillar 105, upper cushion 107 and lower cushion 109, the middle part of pillar 105 is convexly equipped with the first bulge loop 1052 outwardly, in the present embodiment, upper cushion 107 is placed in upper limit hole, and the upper surface of upper cushion 107 is emerging in outside upper limit hole, lower cushion 109 is placed in lower limit hole, and outside the lower limit hole that appears, the lower surface of lower cushion 109, and be connected on base 102; Pillar 105 is through the installation through hole 1082 of mounting lug 1081, and be each passed through cushion 107 and lower cushion 109, the lower end of pillar 105 is connected on base 102, and the first bulge loop 1052 of pillar 105 is pressed on the upper surface of cushion 107, like this, under the connection of pillar 105, mass 108 is in vacant state, further, after shell 101 coordinates with base 102, above-mentioned mass 108 and pillar 105 etc. are all cured in the cavity of shell 101.
The above-mentioned inertial measurement cluster provided, sensor 110 is connected on mass 108, and the periphery of mass 108 is provided with mounting lug 1081, in the upper limit hole respectively upper cushion 107 and lower cushion 109 being placed on mounting lug 1081 and lower limit hole, recycling pillar 105 is through mounting lug 1081, lower cushion 109 is connected on base 102, first bulge loop 1052 is connected on cushion 107, like this, when inertial measurement cluster is operated in the environment of vibration and impact, by going up the elastic reaction of cushion 107 and lower cushion 109 in multiple mounting lug 1081, and spacing hole and the radial direction of pillar to cushion spacing, the conduction that can greatly reduce vibrations and impact, reduce external vibration to the impact of sensor 110, and, do not need outside shell 101, to add outer vibration insulation structure again, like this, do not need the requirement increasing installing space and install operation, and, interior vibration insulation structure can not be subject to the impact of environment, there will not be aging, the phenomenons such as corrosion and distortion, its long service life, greatly reduce costs.
In the present embodiment, the external diameter of upper cushion 107 is slightly less than the diameter in upper limit hole, the external diameter of lower cushion 109 is slightly less than the external diameter in lower limit hole, upper cushion 107 and lower cushion 109 are between uncompressed, in cylindric, when it is squeezed, be then interference extrusion with upper limit hole and lower limit hole respectively.When upper cushion 107 and lower cushion 109 are squeezed, its decrement designs according to the Young modulus of material, and after pillar 105 is fixedly mounted, the vertical direction decrement of upper cushion 107 and lower cushion 109 is about 1/3 of uncompressed front height.
Particularly, the planform of upper cushion 107 and lower cushion 109 can be diversified, as hole cylinder shape, circle shape or polygon-shaped, or back taper mesa-shaped etc., as long as cushion can be placed in the spacing hole of correspondingly-shaped, and at spacing middle formation interference extrusion etc., the effect can playing the conduction reducing vibrations and impact then can.
In order to realize locating the installation of upper cushion 107, in the present embodiment, the second bulge loop 1055 is convexly equipped with in the periphery of pillar 105, this second bulge loop 1055 is positioned at the below of the first bulge loop 1052, and and between the first bulge loop 1052, there is interval, pillar 105 has the first shell of column 1056 between the first bulge loop 1052 and the second bulge loop 1055.
When pillar 105 is plugged in after in mounting lug 1081, upper cushion 107 is set in this first shell of column 1056, utilizes the first bulge loop 1052 and the second bulge loop 1055 to carry out spacing to upper cushion 107; Further, the second bulge loop 1055 is arranged in the intercommunicating pore of annular wall 1083, and for the ease of pillar 105 installation and improve vibration isolating effect, in the present embodiment, the external diameter of the second bulge loop 1055 is less than the intercommunicating pore of annular wall 1083.
In order to realize locating the installation of lower cushion 109, in the present embodiment, the 3rd bulge loop 1058 is convexly equipped with in the periphery of pillar 105,3rd bulge loop 1058 is positioned at the below of the second bulge loop 1055, and and between the second bulge loop 1055, there is interval, pillar 105 is formed with the second shell of column 1057 between the second bulge loop 1055 and the 3rd bulge loop 1058.
When pillar 105 is plugged in after in mounting lug 1081, lower cushion 109 is set in this second shell of column 1057, utilizes the second bulge loop 1055 and the 3rd bulge loop 1058 to carry out spacing to lower cushion 109.
In the present embodiment, pillar 105 has the first linkage section 1059 be positioned at below the 3rd bulge loop 1058, and this first linkage section 1059 is connected in base 102.
Particularly, in base 102, be provided with the first threaded hole 1023, the periphery of this first linkage section 1059 is provided with external thread, like this, by being threaded between external thread with the first threaded hole 1023, realizes the connection between pillar 105 lower end and base 102.Further, in order to make the lower surface of lower cushion 109 be connected on base 102, the 3rd above-mentioned bulge loop 1058 is placed in the first threaded hole 1023.
In the present embodiment, the upper end of base 102 is formed with groove 1022, this groove 1022 and mass 108 are just to layout, like this, after shell 101 coordinates with base 102, the lower end of mass 108 is unsettled is placed in groove 1022, the unsettled cavity being placed in shell 101 in the upper end of mass 108, like this, by groove 1022 and coordinating between cavity, whole mass 108 can be made between base 102 and shell 101 to be in vacant state.
Inertial measurement cluster comprises signal processing circuit board 104, and this signal processing circuit board 104 is placed in the cavity of shell 101; Pillar 105 has the second linkage section 1051 be positioned at above the first bulge loop 1052, and signal processing circuit board 104 is connected on the secondth linkage section 1051.
Particularly, in this second linkage section 1051, be provided with the second threaded hole 1053, utilize bolt to pass signal processing circuit board 104, and be connected in the second threaded hole 1053, thus realize the connection between signal processing circuit board 104 and the second linkage section 1051.
In addition, be provided with the breach 1054 of depression in the upper surface of the second linkage section 1051, this breach 1054 installs column 105 for screwing, and this breach 1054 runs through the sidewall of the second linkage section 1051, like this, is conducive to the connection between bolt and the second threaded hole 1053; Or breach 1054 also can not run through the second linkage section 1051, or also can be other planform, or perforation be convenient to insertion and be screwed bar.Can as long as it can realize screwing installation 105, column.
And in order to avoid extraneous vibration and impact larger impact is caused on signal processing circuit board 104, in the present embodiment, on signal processing circuit board 104 and the upper surface of the second linkage section 1051 be respectively equipped with vibration isolator 106, that is, signal processing circuit board 104 is folded between vibration isolator 106, above-mentioned bolt is each passed through vibration isolator 106 and signal processing circuit board 104, and is connected with the second threaded hole 1053 of the second linkage section 1051.
In the present embodiment, lug 1011 outside the outside projection outwardly of shell 101, base 102 is provided with boss 1021, after shell 101 coordinates with base 102, outside lug 1011 is connected on boss 1021, and be each passed through outside lug 1011 and boss 1021 by bolt, shell 101 and base 102 are linked together.
Certainly, as other embodiment, also can be connected by other connected mode between shell 101 with base 102, not only be limited to the connected mode in the present embodiment.
Shell is provided with output interface 103, utilizes this output interface 103 and outside equipment connection, the data that can realize inertial measurement cluster export.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the inertial measurement cluster of vibration isolation in pillar suspension type, is characterized in that, comprise shell, base, sensor and the mass in unsettled layout, described shell has the cavity of lower ending opening, and described base is connected to the lower end of described shell; Described sensor is connected to described mass, the periphery of described mass is convexly equipped with mounting lug outwardly, have installation through hole in described mounting lug, the madial wall of described installation through hole is provided with annular wall towards radial convex, and described installation through hole is divided into upper limit hole and lower limit hole by described annular wall; Be provided with cushion in described upper limit hole, the upper surface of described upper cushion is emerging in outside described upper limit hole, is provided with lower cushion in described lower limit hole, and the lower surface of described lower cushion is emerging in outside described lower limit hole, and is connected on described base; Be equipped with pillar in described installation through hole, described pillar is each passed through described upper cushion and lower cushion, and the lower end of described pillar is connected to base; Be convexly equipped with the first bulge loop outwardly in the middle part of described pillar, described first bulge loop is connected to the upper surface of described upper cushion.
2. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 1, it is characterized in that, the periphery of described pillar is convexly equipped with the second bulge loop, described second bulge loop is positioned at the below of described first bulge loop, and described pillar has the first shell of column between described first bulge loop and the second bulge loop, described upper cushion is set in outside described first shell of column.
3. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 2, it is characterized in that, be formed with the intercommunicating pore being communicated with described upper limit hole and lower limit hole in the middle of described annular wall, described second bulge loop is placed in described intercommunicating pore.
4. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 3, it is characterized in that, the periphery of described pillar is provided with the 3rd bulge loop, described 3rd bulge loop is positioned at the below of described second bulge loop, described pillar has the second shell of column between described second bulge loop and the 3rd bulge loop, and described lower cushion is sheathed on outside described second shell of column.
5. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 4, it is characterized in that, described base is provided with the first threaded hole, described pillar has the first linkage section be positioned at below described 3rd bulge loop, the periphery of described first linkage section is provided with external thread, described first linkage section is threaded with described first threaded hole, and described 3rd bulge loop is placed in described first threaded hole.
6. the inertial measurement cluster of vibration isolation in the pillar suspension type as described in any one of claim 1 to 5, it is characterized in that, described inertial measurement cluster comprises signal processing circuit board, described pillar has the second linkage section be positioned at above described first bulge loop, and described signal processing circuit board is connected to described second linkage section.
7. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 6, it is characterized in that, be provided with the second threaded hole in described second linkage section, bolt through described signal processing circuit board, and is connected in described second threaded hole.
8. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 7, it is characterized in that, the upper surface of described second linkage section is provided with the breach for screwing installation.
9. the inertial measurement cluster of vibration isolation in pillar suspension type as claimed in claim 7, it is characterized in that, upper surface and the described signal processing circuit board of described second linkage section are provided with vibration isolator, and described bolt is each passed through vibration isolator and signal processing circuit board, are connected to described second threaded hole.
10. the inertial measurement cluster of vibration isolation in the pillar suspension type as described in any one of claim 1 to 5, it is characterized in that, the upper end of described base is provided with groove, described groove and described mass are just to layout, the lower end of described mass is unsettled is placed in described groove, the unsettled cavity being placed in shell in the upper end of described mass.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520291427.1U CN204666157U (en) | 2015-05-07 | 2015-05-07 | The inertial measurement cluster of vibration isolation in pillar suspension type |
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| CN201520291427.1U CN204666157U (en) | 2015-05-07 | 2015-05-07 | The inertial measurement cluster of vibration isolation in pillar suspension type |
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| CN204666157U true CN204666157U (en) | 2015-09-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352501A (en) * | 2015-11-18 | 2016-02-24 | 中国船舶重工集团公司第七〇五研究所 | Modular extensible MEMS inertial measurement unit |
| CN111879427A (en) * | 2020-08-04 | 2020-11-03 | 安徽徽宁电器仪表集团有限公司 | Bimetallic thermometer |
| CN112492840A (en) * | 2020-11-13 | 2021-03-12 | 广州小马慧行科技有限公司 | Inertial measurement unit |
| CN112739100A (en) * | 2020-12-25 | 2021-04-30 | 中研(山东)测控技术有限公司 | Control device applied to industrial Internet of things |
| CN113090709A (en) * | 2021-04-12 | 2021-07-09 | 西安航弓机电科技有限公司 | Inertia module with vibration isolation structure |
| CN114719852A (en) * | 2022-03-16 | 2022-07-08 | 南京理工大学 | Anti high overload inertial system with elasticity dicyclo buffer structure |
-
2015
- 2015-05-07 CN CN201520291427.1U patent/CN204666157U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352501A (en) * | 2015-11-18 | 2016-02-24 | 中国船舶重工集团公司第七〇五研究所 | Modular extensible MEMS inertial measurement unit |
| CN111879427A (en) * | 2020-08-04 | 2020-11-03 | 安徽徽宁电器仪表集团有限公司 | Bimetallic thermometer |
| CN111879427B (en) * | 2020-08-04 | 2022-08-12 | 安徽徽宁电器仪表集团有限公司 | Bimetal thermometer |
| CN112492840A (en) * | 2020-11-13 | 2021-03-12 | 广州小马慧行科技有限公司 | Inertial measurement unit |
| CN112739100A (en) * | 2020-12-25 | 2021-04-30 | 中研(山东)测控技术有限公司 | Control device applied to industrial Internet of things |
| CN113090709A (en) * | 2021-04-12 | 2021-07-09 | 西安航弓机电科技有限公司 | Inertia module with vibration isolation structure |
| CN113090709B (en) * | 2021-04-12 | 2024-04-09 | 西安航弓机电科技有限公司 | Inertial module with vibration isolation structure |
| CN114719852A (en) * | 2022-03-16 | 2022-07-08 | 南京理工大学 | Anti high overload inertial system with elasticity dicyclo buffer structure |
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Effective date of registration: 20160310 Address after: 510000 Guangdong City, Tianhe District Province, No. five KELONG Road, street, building 22-24, room 2005, building Patentee after: Guangzhou Daw Electronic Technology Co. Ltd. Address before: 2005, room 2, building 510610, building A1, Le Tian creative garden, 251 KELONG street, Tianhe District, Guangdong, Guangzhou Patentee before: Li Rongxi Patentee before: Chen Zhichao Patentee before: Hou Zhigang Patentee before: Lu Lingyan |
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Effective date of registration: 20170324 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets High Road No. 19 Building five W1-B Patentee after: Shenzhen lead Technology Co., Ltd. Address before: 510000 Guangdong City, Tianhe District Province, No. five KELONG Road, street, building 22-24, room 2005, building Patentee before: Guangzhou Daw Electronic Technology Co. Ltd. |
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Effective date of registration: 20201028 Address after: Room B101, building 1, No.1, Nanxiang 2nd Road, Guangzhou hi tech Industrial Development Zone, Guangdong Province 510000 Patentee after: GUANGZHOU ASENSING ELECTRONICS Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets High Road No. 19 Building five W1-B Patentee before: Shenzhen lead Technology Co.,Ltd. |