CN209181972U - The air tightness detection system and detecting tool of RCU - Google Patents
The air tightness detection system and detecting tool of RCU Download PDFInfo
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- CN209181972U CN209181972U CN201822132691.7U CN201822132691U CN209181972U CN 209181972 U CN209181972 U CN 209181972U CN 201822132691 U CN201822132691 U CN 201822132691U CN 209181972 U CN209181972 U CN 209181972U
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 238000007789 sealing Methods 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000007704 transition Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 20
- 230000008901 benefit Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses the air tightness detection system of RCU a kind of and detecting tools, the air-tightness detection tool of RCU, it include: mounting base, the mounting base is equipped with the installation cavity for placing the RCU, and the inner sidewall of the installation cavity is equipped with the first seal for sealing the air hole；And driving mechanism and the second seal by the driving mechanisms control, the second seal correspond to the connecting hole and are arranged, and the second seal is equipped with the inlet channel for being connected with the connecting hole；Wherein, when the second seal described in the driving mechanisms control seals the connecting hole, the inlet channel is connected with the connecting hole, and the first seal and vent seal cooperation.The air-tightness detection tool is easy to operate, and detection efficiency is high, can satisfy large batch of detection demand；In this way, the air tightness detection system using the air-tightness detection tool can quickly detect large batch of RCU.
Description
Technical Field
The utility model relates to an airtightness detection device technical field, concretely relates to RCU's airtightness detecting system and detection frock.
Background
One end of an RCU (Remote Control Unit) is provided with an air hole, and the other end of the RCU is provided with a connecting hole communicated with the air hole, so that two ends of the RCU can be respectively connected with other components. Therefore, it is often necessary to perform a hermeticity test after the RCU product is manufactured. The traditional detection device is inconvenient to operate, has low detection efficiency and cannot meet the requirement of large-batch detection.
SUMMERY OF THE UTILITY MODEL
Based on the detection, the air tightness detection system and the detection tool of the RCU are provided, the air tightness detection tool is simple to operate and high in detection efficiency, and can meet the large-batch detection requirements; therefore, the air tightness detection system adopting the air tightness detection tool can quickly detect large-batch RCUs.
The technical scheme is as follows:
on the one hand, provide an RCU's gas tightness and detect frock, RCU has the bleeder vent and the connecting hole of intercommunication each other, includes: the mounting seat is provided with a mounting cavity for placing the RCU, and a first sealing element for sealing the air holes is arranged on the inner side wall of the mounting cavity; the second sealing piece is arranged corresponding to the connecting hole and is provided with an air inlet channel communicated with the connecting hole; when the driving mechanism controls the second sealing piece to seal the connecting hole, the air inlet channel is communicated with the connecting hole, and the first sealing piece is in sealing fit with the air hole.
According to the air tightness detection tool for the RCU, the RCU is provided with the air holes and the connecting holes which are mutually communicated, and during detection, the RCU is placed in the mounting cavity of the mounting seat, so that one end, provided with the air holes, of the RCU faces the first sealing piece; starting the driving mechanism to enable the second sealing element controlled by the driving mechanism to move towards the direction close to the connecting hole until the second sealing element is matched with the connecting hole and seals the connecting hole, and at the moment, the air hole of the RCU is also in sealing fit with the first sealing element; and the air inlet channel is inflated by utilizing the inflating device, and air enters the RCU after passing through the air inlet channel and the connecting hole, so that the air tightness of the RCU can be detected. Above-mentioned RCU's gas tightness detects frock only needs to put into the installation intracavity with RCU, can be simple, convenient after starting actuating mechanism realize sealedly to bleeder vent and connecting hole to can be quick, the efficient carries out the gas tightness to RCU and detects, easy operation, detection efficiency is high, can satisfy large batch detection demand.
The technical solution is further explained below:
in one embodiment, the first seal is provided as an elastomeric pad. Therefore, the air holes are tightly sealed by utilizing the elastic deformation of the elastic cushion.
In one embodiment, the bottom wall of the mounting cavity is further provided with a guide part for guiding and matching with the outer wall of the RCU. Therefore, the RCU can be conveniently and accurately placed into the installation cavity.
In one embodiment, the driving mechanism is a first linear driving mechanism, the first linear driving mechanism is provided with at least two telescopic ends, each telescopic end is provided with one second sealing element, and the mounting seat is correspondingly provided with at least two mounting cavities. In this way, the airtightness of at least two RCUs can be detected simultaneously.
In one embodiment, the first linear driving mechanism is provided as a double-rod cylinder, the double-rod cylinder is provided with two telescopic ends, each telescopic end is provided with one second sealing element, and the mounting seat is correspondingly provided with two mounting cavities.
In one embodiment, the air tightness detection tool further comprises a transition plate, the transition plate is connected with at least two telescopic ends, and at least two second sealing pieces are correspondingly arranged on the transition plate. In this way, the driving force applied to each second sealing element is kept balanced.
In one embodiment, the air tightness detection tool further comprises an adjusting piece for adjusting the driving force of the driving mechanism. Thus, the driving force of the driving mechanism can be adjusted reasonably.
In one embodiment, the driving mechanism is a second linear driving mechanism, the second sealing element is rotatably connected with the second linear driving mechanism, and the air tightness detection tool further comprises a rotary driving mechanism, and the rotary driving mechanism is in transmission connection with the second sealing element and used for enabling the second sealing element to rotate around the axial direction of the second sealing element. Thus, the reliability of sealing the second sealing element and the connecting hole is further improved.
In one embodiment, the mounting seat comprises a first mounting plate, a second mounting plate and a third mounting plate, the first mounting plate and the second sealing element are arranged at an interval, the first sealing element is arranged on the first mounting plate, the second mounting plate and the third mounting plate are arranged at an interval, and the first mounting plate, the second mounting plate and the third mounting plate enclose the mounting cavity. Therefore, the RCU is prevented from shifting, and accurate alignment can be realized.
In another aspect, a system for detecting the airtightness of an RCU is disclosed, including: the air tightness detection tool comprises an air pressure detection device and the air tightness detection tool, wherein a detection port of the air pressure detection device is communicated with the air inlet channel.
In the air tightness detection system of the RCU, during detection, the RCU is placed in the installation cavity of the installation seat, so that one end of the RCU provided with the air holes faces the first sealing piece; starting the driving mechanism to enable the second sealing element controlled by the driving mechanism to move towards the direction close to the connecting hole until the second sealing element is matched with the connecting hole and seals the connecting hole, and at the moment, the RCU air holes are also in sealing fit with the first sealing element; and the air inlet channel is inflated by utilizing the inflating device, and air enters the RCU after passing through the air inlet channel and the connecting hole, so that the air tightness of the RCU can be detected. Above-mentioned RCU's gas tightness detecting system only needs to put into the installation intracavity with RCU, can be simple after starting actuating mechanism, convenient realize sealedly to bleeder vent and connecting hole, recycles the atmospheric pressure detection device and can carry out the gas tightness to RCU fast, the efficient and detect easy operation, and detection efficiency is high, can satisfy large batch detection demand.
Drawings
Fig. 1 is a schematic structural view of an airtightness detection tool for an RCU according to an embodiment.
Description of reference numerals:
100. the air pressure detection device comprises a mounting seat, 110, a mounting cavity, 120, a first sealing element, 130, a first mounting plate, 140, a second mounting plate, 150, a third mounting plate, 200, a double-rod air cylinder, 210, a second sealing element, 211, an air inlet channel, 220, a telescopic end, 230, a transition plate, 240, an adjusting element, 300, an RCU, 310, an air hole, 320, a connecting hole, 400 and an air pressure detection device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first", "second", "third", and the like do not denote any particular quantity or order, but rather are used to distinguish one name from another.
As shown in fig. 1, in one embodiment, a gas tightness detection tool of an RCU300 is disclosed, including: the mounting seat 100, the mounting seat 100 is provided with a mounting cavity 110 for placing the RCU300, and the inner side wall of the mounting cavity 110 is provided with a first sealing element 120 for sealing the air hole 310; the second sealing piece 210 is arranged corresponding to the connecting hole 320, and the second sealing piece 210 is provided with an air inlet channel 211 communicated with the connecting hole 320; when the driving mechanism controls the second sealing member 210 to seal the connection hole 320, the air inlet passage 211 communicates with the connection hole 320, and the first sealing member 120 is in sealing engagement with the air vent 310.
In the air tightness detecting tool for the RCU300 according to the embodiment, the RCU300 has the air holes 310 and the connecting holes 320 which are communicated with each other, and during detection, the RCU300 is placed in the installation cavity 110 of the installation seat 100, so that one end of the RCU300, which is provided with the air holes 310, faces the first sealing element 120; starting the driving mechanism, so that the second sealing member 210 controlled by the driving mechanism moves towards the direction close to the connecting hole 320 until the second sealing member 210 is matched with the connecting hole 320 and seals the connecting hole 320, and at this time, the air vent 310 of the RCU300 is also matched with the first sealing member 120 in a sealing way; the air inlet passage 211 is inflated by the inflator, and the air enters the RCU300 through the air inlet passage 211 and the connection hole 320, so that the airtightness of the RCU300 can be detected. Above-mentioned RCU 300's gas tightness detects frock only needs to put into installation cavity 110 with RCU300 in, can be simple, convenient realize sealed to bleeder vent 310 and connecting hole 320 after starting actuating mechanism to can be quick, the efficient carries out the gas tightness to RCU300 and detects, easy operation, detection efficiency is high, can satisfy large batch detection demand.
The first sealing member 120 may be a plunger capable of sealing the vent 310, or may be a sealing ring capable of sealing the vent 310, as long as the sealing of the vent 310 is achieved.
In one embodiment, the first seal 120 is provided as an elastomeric pad. So, when actuating mechanism's control second sealing member 210 orientation was close to the direction of connecting hole 320 and was removed, thereby promote the one end orientation that RCU300 was equipped with bleeder vent 310 and remove near the cushion direction, further remove the one end extrusion cushion that makes RCU300 be equipped with bleeder vent 310, thereby make the cushion take place elastic deformation, and then make RCU300 be equipped with the one end of bleeder vent 310 and sink into in the cushion, thereby can realize sealedly to bleeder vent 310. Meanwhile, the air holes 310 are sealed by the elastic pad, and the alignment problem between the first sealing element 120 and the air holes 310 does not need to be additionally considered, so that the sealing structure is simple and convenient. The elastic pad can be made of rubber and silica gel, so that the material cost is saved.
In addition to any of the above embodiments, the bottom wall of the mounting chamber 110 is further provided with a guide portion (not shown) for guiding engagement with the outer wall of the RCU 300. So, can place RCU300 and lead for RCU300 is fast enough, accurate the putting right, makes first sealing member 120 can be accurate, reliable sealed bleeder vent 310, also makes second sealing member 210 can be accurate, reliable sealed connecting hole 320, guarantees the reliability that detects, has improved detection efficiency. The guide part can be a guide groove, a guide slide rail or other structures with guide functions.
The driving mechanism may be a linear motor, an air cylinder, a rotary hydraulic cylinder, or other mechanisms capable of directly or indirectly driving the second sealing member 210 to move, so that the second sealing member 210 seals the connection hole 320.
On the basis of any of the above embodiments, the driving mechanism is configured as a first linear driving mechanism, the first linear driving mechanism is provided with at least two telescopic ends 220, each telescopic end 220 is provided with a second sealing element 210, and the mounting base 100 is correspondingly provided with at least two mounting cavities 110. Therefore, the air tightness detection of at least two RCUs 300 can be simultaneously carried out, and the detection efficiency is further improved.
As shown in fig. 1, in one embodiment, the first linear driving mechanism is provided as a dual rod cylinder 200, the dual rod cylinder 200 is provided with two telescopic ends 220, each telescopic end 220 is provided with a second sealing element 210, and the mounting base 100 is correspondingly provided with two mounting cavities 110. Thus, the output force of the double-rod cylinder 200 is large, so that sufficient abutting force can be provided, the air holes 310 and the connecting holes 320 can be tightly sealed, and the detection effectiveness can be ensured. Simultaneously, two pole cylinders 200 simple structure do benefit to later maintenance or change, also can carry out the gas tightness to two RCUs 300 simultaneously and detect.
In one embodiment, the first linear driving mechanism is provided as a three-rod cylinder having three telescopic ends 220, each telescopic end 220 is provided with one second sealing element 210, and the mounting seat 100 is correspondingly provided with three mounting cavities 110. In this way, the airtightness of the three RCUs 300 can be simultaneously detected.
As shown in fig. 1, in an embodiment, the air-tightness detecting tool further includes a transition plate 230, the transition plate 230 is connected to at least two telescopic ends 220, and at least two second sealing members 210 are correspondingly disposed on the transition plate 230. In this manner, installation of the second seal 210 is facilitated such that the second seal 210 is able to move with movement of the telescoping end 220; and each second sealing element 210 is subjected to balanced driving force, so that the second sealing elements 210 can not deviate in the process of being matched with the connecting holes 320, the sealing reliability is ensured, and the accuracy of air tightness detection is improved.
As shown in fig. 1, on the basis of any of the above embodiments, the air-tightness detecting tool further includes an adjusting member 240 for adjusting the driving force of the driving mechanism. In this way, the driving force of the driving mechanism can be adjusted, so that the driving force is prevented from being too small to achieve tight sealing, and the RCU300 is prevented from being damaged by too large driving force. The adjusting part 240 can be an adjusting valve, and when the driving mechanism is an air cylinder, the adjusting part 240 can be further arranged to be an adjusting filter valve, so that air entering the air cylinder can be filtered, and the air cylinder can work reliably and durably.
On the basis of any of the above embodiments, the driving mechanism is set as a second linear driving mechanism, the second sealing element 210 is rotatably connected to the second linear driving mechanism, and the air-tightness detecting tool further includes a rotary driving mechanism, which is in transmission connection with the second sealing element 210 and is used for enabling the second sealing element 210 to rotate around the axial direction of the second sealing element 210. Therefore, after the second sealing element 210 is matched with the connecting hole 320, the second sealing element 210 rotates around the axial direction of the second sealing element 210 by using the rotary driving mechanism, so that the second sealing element 210 is matched with the connecting hole 320 more tightly, and the accuracy of air tightness detection is improved. The rotary driving mechanism may be a rotary motor, a rotary hydraulic cylinder, or other mechanisms capable of directly or indirectly driving the second sealing element 210 to rotate. The second sealing member 210 may be a plunger capable of sealing the connection hole 320, or may be a sealing sleeve capable of sealing the connection hole 320.
As shown in fig. 1, on the basis of any of the above embodiments, the mounting base 100 includes a first mounting plate 130, a second mounting plate 140 and a third mounting plate 150, the first mounting plate 130 and the second sealing member 210 are disposed at an interval, the first sealing member 120 is disposed on the first mounting plate 130, the second mounting plate 140 and the third mounting plate 150 are disposed at an interval, and the first mounting plate 130, the second mounting plate 140 and the third mounting plate 150 enclose the mounting cavity 110. So, place RCU300 back in installation cavity 110, second mounting panel 140 and third mounting panel 150 can be followed both sides and fix a position and fix RCU300, prevent that RCU300 from being promoted and taking place the skew, guarantee the sealed bleeder vent 310 that first sealing member 120 can be accurate, sealed connecting hole 320 that second sealing member 210 can be accurate guarantees sealed reliability. Meanwhile, the installation cavity 110 is formed by the first installation plate 130, the second installation plate 140 and the third installation plate 150 in an enclosing mode, the RCU300 can be conveniently placed into the installation cavity 110, the RCU300 can be rapidly taken and placed, and the large-batch detection requirements are met.
As shown in fig. 1, in one embodiment, there is also disclosed an airtightness detection system of an RCU300, including: in the air pressure detection device 400 and the air tightness detection tool of any of the above embodiments, the detection port of the air pressure detection device 400 is communicated with the air inlet passage 211.
In the air tightness detecting system of the RCU300 according to the embodiment, during detection, the RCU300 is placed in the installation cavity 110 of the installation seat 100, so that the end of the RCU300 provided with the air holes 310 is arranged towards the first sealing member 120; starting the driving mechanism, so that the second sealing element 210 controlled by the driving mechanism moves towards the direction close to the connecting hole 320 until the second sealing element 210 is matched with the connecting hole 320 and seals the connecting hole 320, and at the moment, the air vent 310 of the RCU300 is also matched with the first sealing element 120 in a sealing way; the air inlet passage 211 is inflated by the inflator, and the air enters the RCU300 through the air inlet passage 211 and the connection hole 320, so that the airtightness of the RCU300 can be detected. Above-mentioned RCU 300's gas tightness detecting system only needs to put into installation cavity 110 with RCU300, can be simple, convenient after starting actuating mechanism realize sealing to bleeder vent 310 and connecting hole 320, recycles atmospheric pressure detection device 400 and can carry out the gas tightness to RCU300 fast, the efficient and detect, easy operation, detection efficiency is high, can satisfy large batch detection demand.
The air pressure detecting device 400 may be a pressure measuring instrument, a pressure measuring probe, or other devices capable of detecting air pressure. The process of performing the airtightness detection by using the air pressure detection apparatus 400 may be as follows: the air intake channel 211 is charged so that the air pressure in the RCU300 reaches a certain preset value, for example 10 KPa; stopping the charging of the RCU300 and maintaining the pressure for a first predetermined time, e.g., 10 seconds; then carrying out deflation for a second preset time, such as deflation 7 s; and finally, measuring the air pressure in the RCU300 by using the air pressure detection device 400, wherein if the air pressure in the RCU300 is higher than or equal to a preset air pressure value, the RCU300 is qualified, and otherwise, the RCU300 is unqualified.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples represent only a few embodiments of the present invention, which are described in detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a RCU's gas tightness detects frock, RCU has the bleeder vent and the connecting hole of intercommunication each other, its characterized in that includes:
the mounting seat is provided with a mounting cavity for placing the RCU, and a first sealing element for sealing the air holes is arranged on the inner side wall of the mounting cavity; and
the second sealing piece is arranged corresponding to the connecting hole and is provided with an air inlet channel communicated with the connecting hole; wherein,
when the driving mechanism controls the second sealing piece to seal the connecting hole, the air inlet channel is communicated with the connecting hole, and the first sealing piece is in sealing fit with the air hole.
2. The airtightness detection tool according to claim 1, wherein the first sealing member is provided as an elastic pad.
3. The airtightness detection tool according to claim 1, wherein a guide portion for guiding and matching with an outer wall of the RCU is further provided on a bottom wall of the mounting cavity.
4. The airtightness detection tool according to claim 1, wherein the driving mechanism is a first linear driving mechanism, the first linear driving mechanism is provided with at least two telescopic ends, each telescopic end is provided with one second sealing member, and the mounting seat is correspondingly provided with at least two mounting cavities.
5. The airtightness detection tool according to claim 4, wherein the first linear driving mechanism is a double-rod cylinder, the double-rod cylinder is provided with two telescopic ends, each telescopic end is provided with one second sealing element, and the mounting seat is correspondingly provided with two mounting cavities.
6. The airtightness detection tool according to claim 4, further comprising a transition plate, wherein the transition plate is connected with at least two of the telescopic ends, and at least two of the second sealing members are correspondingly arranged on the transition plate.
7. The airtightness detection tool according to claim 1, further comprising an adjustment member for adjusting a driving force of the driving mechanism.
8. The airtightness detection tool according to claim 1, wherein the driving mechanism is a second linear driving mechanism, the second sealing member is rotatably connected to the second linear driving mechanism, and the airtightness detection tool further comprises a rotary driving mechanism, and the rotary driving mechanism is in transmission connection with the second sealing member and is used for enabling the second sealing member to rotate around the axial direction of the second sealing member.
9. The airtightness detection tool according to any one of claims 1 to 8, wherein the mounting seat includes a first mounting plate, a second mounting plate, and a third mounting plate, the first mounting plate and the second sealing member are disposed at an interval, the first sealing member is disposed on the first mounting plate, the second mounting plate and the third mounting plate are disposed at an interval, and the mounting cavity is surrounded by the first mounting plate, the second mounting plate, and the third mounting plate.
10. An RCU airtightness detection system, comprising: the air tightness detection tool of any one of claims 1 to 9 and an air pressure detection device, wherein a detection port of the air pressure detection device is communicated with the air inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132691.7U CN209181972U (en) | 2018-12-18 | 2018-12-18 | The air tightness detection system and detecting tool of RCU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132691.7U CN209181972U (en) | 2018-12-18 | 2018-12-18 | The air tightness detection system and detecting tool of RCU |
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| Publication Number | Publication Date |
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| CN209181972U true CN209181972U (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822132691.7U Active CN209181972U (en) | 2018-12-18 | 2018-12-18 | The air tightness detection system and detecting tool of RCU |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609006A (en) * | 2023-06-26 | 2023-08-18 | 精诚工科汽车零部件(邳州)有限公司 | Gearbox part gas tightness detects frock |
-
2018
- 2018-12-18 CN CN201822132691.7U patent/CN209181972U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609006A (en) * | 2023-06-26 | 2023-08-18 | 精诚工科汽车零部件(邳州)有限公司 | Gearbox part gas tightness detects frock |
| CN116609006B (en) * | 2023-06-26 | 2023-11-07 | 精诚工科汽车零部件(邳州)有限公司 | Gearbox part gas tightness detects frock |
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Effective date of registration: 20200108 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
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