CN205691760U - Card reader attachment means - Google Patents
Card reader attachment means Download PDFInfo
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- CN205691760U CN205691760U CN201620659007.9U CN201620659007U CN205691760U CN 205691760 U CN205691760 U CN 205691760U CN 201620659007 U CN201620659007 U CN 201620659007U CN 205691760 U CN205691760 U CN 205691760U
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- card reader
- rotating shaft
- attachment means
- hole
- turnover bracket
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Abstract
This utility model relates to a kind of card reader attachment means, including the card reader installation portion for installing card reader, be located at the rotating shaft installed on dial framework, turnover bracket that drive mechanism that drive shaft rotates, one end are connected with rotating shaft, the other end of turnover bracket is connected with card reader installation portion.When installation and calibration operation, first on interactive terminal detection device, rotating shaft is installed, then turnover bracket is connected with rotating shaft, then card reader is fixed on the card reader installation portion of turnover bracket, the calibration operation being correlated with can be carried out, easy for installation；During calibrating, the position of the interactive terminal table examined and determine as required, axis of rotation is made by starting drive mechanism, regulation turnover bracket and the distance of interactive terminal table, finally make CPU card be placed in card reader effectively to read and write in region, rotating shaft stops operating and carries out calibration operation, easy to adjust in verification process, improves calibration operation efficiency.
Description
Technical field
This utility model relates to expense control detection technique field, interactive terminal, particularly to a kind of card reader attachment means.
Background technology
Expense control interactive terminal is a kind of novel electric power interactive device, can be used for expense control electric energy meter data acquisition and bimodulus expense control
Functional realiey.Expense control interactive terminal is to carry out safety information alternately by the security module that RF IC card and table are embedded, therefore examines
Card reader must be used to write corresponding data according to detection project at RF IC card when surveying local charge control pattern, then mutual whole
Triggering interactive terminal expense of swiping the card on end table body controls feature operation.The most it is not exclusively used at expense control interactive terminal test dress
Put the accessory of connection and fixed reader, general by each epi-position installation one on interactive terminal test device dial framework
Card reader fixer, although the overall dimensions taking control interactive terminal is basically identical, but when reality is examined and determine, fixing device is not only
Affect the tested dismounting taking control interactive terminal, and installation site may slightly deviation, it is impossible to guarantee in tested expense control mutual eventually
CPU (Central Processing Unit) in end draw-in groove is placed in card reader and effectively reads and writes in region, needs repeatedly to adjust
Whole, and adjust inconvenience, therefore calibration operation efficiency is low, and this kind of mode parts are more, management inconvenience, assembles time-consuming, whole
Body economic benefit is low.
Utility model content
The purpose of this utility model is to provide a kind of card reader attachment means, it is possible to increase calibration operation efficiency, and just
In installing and management.
For realizing the purpose of this utility model, adopt the technical scheme that:
A kind of card reader attachment means, for the connection of card reader with interactive terminal test device, interactive terminal test dress
Putting the installation dial framework including being fixed with interactive terminal table, this card reader attachment means includes the card reader peace for installing card reader
The turnover bracket that dress portion, the rotating shaft being located on installation dial framework, the drive mechanism of drive shaft rotation, one end are connected with rotating shaft, turns over
The other end turning support is connected with card reader installation portion.
When installation and calibration operation, first on interactive terminal detection device, rotating shaft is installed, then turnover bracket is connected with rotating shaft
Connect, then card reader is fixed on the card reader installation portion of turnover bracket, the calibration operation being correlated with can be carried out, easy for installation；
During calibrating, the position of the interactive terminal table examined and determine as required, make axis of rotation by starting drive mechanism, regulate turnover bracket
With the distance of interactive terminal table, finally making CPU card be placed in card reader and effectively read and write in region, rotating shaft stops operating and examines and determine
Work；After having examined and determine, by start drive mechanism make rotating shaft to opposite direction rotate, make card reader away from interactive terminal table, just
In dismounting and easy to adjust in verification process, improve calibration operation efficiency, this card reader attachment means simple in construction, it is simple to pipe
Reason, easy to assembly, high financial profit.
Below technical scheme is further illustrated:
Further, rotating shaft is provided with axially disposed chute and the slide block being connected with slide, turnover bracket with
Slide block connects.Moved along chute by slide block, adjust the position of card reader installation portion and interactive terminal table, make adjustment more square
Just, calibration operation is in hgher efficiency.
Further, slide block is provided with the first connecting hole, and turnover bracket is provided with second coordinated with the first connecting hole and is connected
Hole, the first connecting hole and the second connecting hole are connected by the first appended claims.Turnover bracket and rotating shaft by the first connecting hole,
The cooperation of the second connecting hole and the first securing member realizes removably connecting, it is simple to installation and removal.
Further, turnover bracket includes the first regulation support and the second regulation support, one end of the first regulation support
Being connected with rotating shaft, one end of the other end and the second regulation support is hinged, and the other end of the second regulation support is provided with card reader and installs
Portion.Card reader installation portion makes axis of rotation to realize the adjustment of position not only by driving means, it is also possible to by adjusting
Second regulation support and first regulation support angle, the position of card reader installation portion is finely adjusted, make adjustment more convenient and
Precisely, calibration operation efficiency is improved further.
Further, the second regulation support at least include that the first connecting tube and part are sheathed in the first connecting tube the
Two connecting tubes, the second connecting tube is sheathed on the adjustable in length in the first connecting tube, and the first connecting tube is away from the second connecting tube
One end is hinged with the first regulation support, and the second connecting tube is provided with card reader installation portion away from one end of the first connecting tube.By adjusting
Save the second connecting tube and be inserted in the length of the first connecting tube, regulate the length of turnover bracket, make card reader installation portion to required
Setting height(from bottom), to adapt to various types of tested interactive terminal, makes regulation more convenient and accurate, improves calibration operation effect further
Rate.
Further, the first connecting tube is provided with the first adjustment hole, and the second connecting tube is provided with axially disposed multiple
Two adjustment holes, the first adjustment hole and the second adjustment hole are connected by the second appended claims.By selecting the second different regulations
Hole is connected with the first adjustment hole, and is fixed by the second securing member, makes the second connecting tube be inserted in the length of the first connecting tube
Different, it is achieved the regulation of card reader installation portion setting height(from bottom), make regulation work more convenient, work efficiency is higher, and is easily installed
And dismounting.
Further, card reader installation portion is provided with the card reading slot removably connected with turnover bracket and connects with card reader
Logical fixing hole, fixing hole connects and has the 3rd securing member.During installation, card reader is positioned in card reading slot, and by fixing
Card reader is fixed in card reading slot by hole and the 3rd securing member, and card reading slot removably connects with turnover bracket, its operation and peace
It is the most convenient to fill, and is greatly improved calibration operation efficiency.
Further, the side inwall that card reading slot is relative with fixing hole is provided with improved mat.When card reader is installed, pass through
Improved mat increases the frictional force between card reading slot inwall and card reader, prevents card reader from sliding in card reading slot, makes installation ground
More firm.
Further, installing dial framework and be provided with the first installing hole and the second installing hole being oppositely arranged, the two ends of rotating shaft are divided
It is not connected with the first installing hole, the second installing hole.Only need to offer two at the installation dial framework of existing interactive terminal test device
Installing hole, can realize and the installation of card reader attachment means, and its improvement and installation is simple and convenient, and improvement cost is low, carries further
High economic benefit.
Further, install on dial framework and be fixed with the interactive terminal table that at least two is arranged side by side, turnover bracket and friendship
Terminal table one_to_one corresponding mutually, the axial direction of rotating shaft is parallel with the arranged direction of interactive terminal table.By card reader attachment means
Can realize multiple interactive terminals table is examined and determine, improve calibration operation efficiency further；And the axial direction of rotating shaft is with mutual
The arranged direction of terminal table is parallel, it is to avoid the problem that need to regulate because angle is inaccurate when card reader is installed, and makes regulation faster.
Compared with prior art, this utility model has the advantages that
This utility model, when installation and calibration operation, is first installed rotating shaft on interactive terminal detection device, then will be overturn
Support is connected with rotating shaft, then card reader is fixed on the card reader installation portion of turnover bracket, can carry out the calibrating work being correlated with
Make, easy for installation；During calibrating, the position of the interactive terminal table examined and determine as required, make axis of rotation by starting drive mechanism,
Regulation turnover bracket and the distance of interactive terminal table, finally make CPU card be placed in card reader and effectively read and write in region, and rotating shaft stops turning
Move and carry out calibration operation；After having examined and determine, make rotating shaft rotate to opposite direction by starting drive mechanism, make card reader away from friendship
Terminal table mutually, it is simple to dismounting, and easy to adjust in verification process, improve calibration operation efficiency, this card reader attachment means structure
Simply, it is simple to management, easy to assembly, high financial profit.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment card reader attachment means；
Fig. 2 is the exploded perspective view of this utility model embodiment card reader attachment means；
Fig. 3 is the first working state schematic representation of this utility model embodiment card reader attachment means；
Fig. 4 is the second working state schematic representation of this utility model embodiment card reader attachment means.
Description of reference numerals:
10. card reader, 20. interactive terminal test devices, 210. interactive terminal tables, 220. installation dial frameworks, 230.CPU card,
30. card reader installation portions, 310. card reading slots, 320. first fixing holes, 330. the 3rd securing members, 40. rotating shafts, 410. chutes,
420. slide blocks, 421. first connecting holes, 50. turnover brackets, 510. second connecting holes, 520. first securing members, 530. first adjust
Joint support, 540. second regulation supports, 541. first connecting tubes, 542. second connecting tubes, 543. threaded post, 544. the 4th fastenings
Part, 545. first adjustment holes, 546. second securing members.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail:
As shown in Figure 1 to Figure 3, a kind of card reader attachment means, for card reader 10 and interactive terminal test device 20
Connecting, interactive terminal test device 20 includes the installation dial framework 220 being fixed with interactive terminal table 210, this card reader attachment means
Rotating shaft 40, the drive shaft 40 including the card reader installation portion 30 for installing card reader 10, be located on installation dial framework 220 rotate
Drive mechanism (accompanying drawing does not identifies), the turnover bracket 50 that is connected with rotating shaft 40 of one end, the other end of turnover bracket 50 and Card Reader
Device installation portion 30 connects.
Install and during calibration operation, rotating shaft 40 be first installed on interactive terminal detection device, then by turnover bracket 50 with turn
Axle 40 connects, then card reader 10 is fixed on the card reader installation portion 30 of turnover bracket 50, can carry out the calibrating work being correlated with
Make, easy for installation；During calibrating, the position of the interactive terminal table 210 examined and determine as required, make rotating shaft 40 by starting drive mechanism
Rotating, regulation turnover bracket 50 and the distance of interactive terminal table 210, as it is shown on figure 3, finally make CPU card 230 be placed in card reader 10
Effectively in read-write region, rotating shaft 40 stops operating and carries out calibration operation；After having examined and determine, as shown in Figure 4, driven by startup
Mechanism makes rotating shaft 40 rotate to opposite direction, makes card reader 10 away from interactive terminal table 210, it is simple to dismounting, and adjusts in verification process
Perfect square just, improves calibration operation efficiency, this card reader attachment means simple in construction, it is simple to management, easy to assembly, economic benefit
High.
In the present embodiment, install on dial framework 220 and be fixed with two interactive terminal tables 210 being arranged side by side, turnover bracket
50 with interactive terminal table 210 one_to_one corresponding, the axial direction of rotating shaft 40 is parallel with the arranged direction of two interactive terminal tables 210,
Can realize two interactive terminal tables 210 being examined and determine by card reader attachment means simultaneously, improve calibration operation effect further
Rate；And the axial direction of rotating shaft 40 is parallel with the arranged direction of two interactive terminal tables 210, it is to avoid because of angle when card reader 10 is installed
The problem that degree is inaccurate and need to regulate, makes regulation faster.Rotating shaft 40 can also arrange two according to the quantity of interactive terminal table 210
Above.
As depicted in figs. 1 and 2, rotating shaft 40 is provided with axially disposed chute 410 and the slide block being slidably connected with chute 410
420, turnover bracket 50 is connected with slide block 420.Moved along chute 410 by slide block 420, adjust card reader installation portion 30 and hand over
The position of terminal table 210, makes adjustment more convenient mutually, and calibration operation is in hgher efficiency.
As in figure 2 it is shown, slide block 420 is provided with the first connecting hole 421, turnover bracket 50 is provided with and coordinates with the first connecting hole 421
The second connecting hole 510, the first connecting hole 421 and the second connecting hole 510 be connected by the first securing member 520, and first is tight
Firmware 520 is screw, and the first connecting hole 421 and/or the second connecting hole 510 are screwed hole.Turnover bracket 50 and rotating shaft 40 are passed through
The cooperation of first connecting hole the 421, second connecting hole 510 and the first securing member 520 realizes removably connecting, it is simple to peace installation and dismantling
Unload.Slide block 420 and turnover bracket 50 can be to arrange other modes that removably connect of employing according to actual needs.
In the present embodiment, driving means is motor, and motor is directly arranged in rotating shaft 40, and this rotating shaft 40 turns for translator
Axle 40, the two ends of rotating shaft 40 are connected with installation dial framework 220 respectively, install the both sides of dial framework 220 in the lower section of interactive terminal table 210
The installing hole (accompanying drawing does not identifies) coordinated with rotating shaft 40 two ends is offered at 8-12cm.During improvement, only need to be at existing mutual end
The installation dial framework 220 of end test device 20 offers two installing holes, can realize and the installation of card reader attachment means, its transformation
Installing simple and convenient, improvement cost is low, increases economic efficiency further.Rotating shaft 40 can also be arranged at according to actual needs alternately
Other positions such as the top of terminal table 210, can also use connection side between rotating shaft 40 and installation dial framework 220 according to actual needs
Formula.
Install on dial framework 220 and be additionally provided with the electronic main switch (accompanying drawing does not identifies) electrically connected with motor, be used for controlling charged
The rotation of machine rotating shaft 40, regulation turnover bracket 50 and the distance installing dial framework 220.Card reader attachment means can also be according to reality
Need a detection sensor controller electrically electrically connected with motor being set and being electrically connected with the controller, passed by detection
Sensor detection card reader 10 is the most adjusted to examining and determine desired location, if arriving, is stopped by controller automatic control motor
Only work, if not arriving, controlling motor by controller and working on, and makes control more accurate, regulates more convenient.
As depicted in figs. 1 and 2, turnover bracket 50 includes the first regulation support 530 and the second regulation support 540, and first adjusts
One end of joint support 530 is connected with rotating shaft 40, and one end of the other end and the second regulation support 540 is hinged, the second regulation support 540
The other end be provided with card reader installation portion 30.Card reader installation portion 30 makes rotating shaft 40 rotate real not only by driving means
The adjustment of existing position, it is also possible to by adjusting the second regulation support 540 and angle of the first regulation support 530, different are turned over
The position turning the card reader installation portion 30 on support 50 is finely adjusted, and makes adjustment more convenient, flexible and accurate, improves inspection further
Determine work efficiency.
In the present embodiment, turnover bracket 50 is L-shaped, and turnover bracket 50 can also be set to other shapes according to actual needs
Shape.
As depicted in figs. 1 and 2, the second regulation support 540 at least includes that the first connecting tube 541 and part are sheathed on first even
The second connecting tube 542 in adapter 541, the second connecting tube 542 is sheathed on the adjustable in length in the first connecting tube 541, and first
Connecting tube 541 is hinged with the first regulation support 530 away from one end of the second connecting tube 542, and the second connecting tube 542 is away from first even
One end of adapter 541 is provided with card reader installation portion 30.The length of the first connecting tube 541 it is inserted in by regulating the second connecting tube 542,
Regulate the length of turnover bracket 50, make card reader installation portion 30 to required setting height(from bottom), various types of tested to adapt to
Interactive terminal, makes regulation more convenient and accurate, improves calibration operation efficiency further.
In the present embodiment, the first connecting tube 541 is provided with the first adjustment hole 545, and the second connecting tube 542 is provided with cloth vertically
Multiple second adjustment holes put, the first adjustment hole 545 and the second adjustment hole are connected by the second securing member 546, and second is tight
Firmware is screw, and the first adjustment hole 545 and/or the second adjustment hole are screwed hole.By selecting the second different adjustment hole and the
One adjustment hole 545 connects, and is fixed by the second securing member 546, makes the second connecting tube 542 be inserted in the first connecting tube 541
Length different, it is achieved the regulation of card reader installation portion 30 setting height(from bottom), make regulation work more convenient, work efficiency is higher, and
It is easily installed and dismantles.First connecting tube 541 and the second connecting tube 542 can also use other slip cap according to actual needs
Connect mode.
As depicted in figs. 1 and 2, card reader installation portion 30 be provided with the card reading slot 310 removably connected with turnover bracket 50 and
The first fixing hole 320 connected with card reader 10, the first fixing hole 320 connects and has the 3rd securing member 330, the 3rd securing member
330 is screw, and the first fixing hole 320 is screwed hole.During installation, card reader 10 is positioned in card reading slot 310, and by first
Card reader 10 is fixed in card reading slot 310 by fixing hole 320 and the 3rd securing member 330, and card reading slot 310 can with turnover bracket 50
Dismounting connects, and its operation is the most convenient with installation, is greatly improved calibration operation efficiency.
In the present embodiment, as depicted in figs. 1 and 2, card reader installation portion 30 is provided with second connected with card reading slot 310 admittedly
Determining hole (accompanying drawing does not identifies), the second connecting tube 542 is provided with the threaded post 543 coordinated with the second fixing hole, the second fixing hole and spiral shell
Stricture of vagina post 543 is fastenedly connected by the 4th securing member 544, and the 4th securing member 544 is nut, and the second fixing hole is through hole.Card reader
Installation portion 30 and the second connecting tube 542 realize removable by the cooperation of the second fixing hole, threaded post 543 and the 4th securing member 544
Unload connection.Card reader installation portion 30 and the second connecting tube 542 can be to use other modes that removably connects according to actual needs.
The side inwall that card reading slot 310 is relative with the first fixing hole 320 is provided with improved mat (accompanying drawing does not identifies), card reader
During 10 installation, increase the frictional force between card reading slot 310 inwall and card reader 10 by improved mat, prevent card reader 10 from reading
Draw-in groove 310 slides, makes installation ground more firm.
In the present embodiment, improved mat is PVC pad, and improved mat can also use other materials according to actual needs
Matter.
When installation and calibration operation, in advance installation translator rotating shaft 40 on dial framework 220 is being installed, turnover bracket 50 is being inserted
Translator rotating shaft 40 and regulate to correct position card fasten, then card reader 10 inserted and be fixed on card reader installation portion
On 30, the calibration operation being correlated with can be carried out, when needing to change next group interactive terminal, only need to press on installation dial framework 220
Motor switch, so that it may realizing all card reader 10 and concentrate and turn up and resets, its operation is imitated with installing the most convenient, calibration operation
Rate is greatly improved；Meanwhile, the transformation that aforementioned process relates to, also simply at the installation dial framework 220 liang of interactive terminal test device 20
STH, is then fixedly installed in below epi-position by the translator rotating shaft 40 of this utility model device, and improvement and installation is very
Simple and convenient, cost is relatively low.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a card reader attachment means, for the connection of card reader with interactive terminal test device, interactive terminal test device
Including the installation dial framework being fixed with interactive terminal table, it is characterised in that include the card reader installation portion for installing card reader, set
Rotating shaft on described installation dial framework, the upset driving the drive mechanism of described axis of rotation, one end to be connected with described rotating shaft are propped up
Frame, the other end of described turnover bracket is connected with described card reader installation portion.
Card reader attachment means the most according to claim 1, it is characterised in that described rotating shaft is provided with axially disposed cunning
Groove and the slide block being connected with described slide, described turnover bracket is connected with described slide block.
Card reader attachment means the most according to claim 2, it is characterised in that described slide block is provided with the first connecting hole, institute
State turnover bracket and be provided with the second connecting hole coordinated with described first connecting hole, described first connecting hole and described second connecting hole
Connected by the first appended claims.
Card reader attachment means the most according to claim 1, it is characterised in that described turnover bracket includes that the first regulation is propped up
Frame and the second regulation support, one end of described first regulation support is connected with described rotating shaft, the other end and described second regulation
One end of frame is hinged, and the other end of described second regulation support is provided with described card reader installation portion.
Card reader attachment means the most according to claim 4, it is characterised in that the second regulation support at least includes first even
Adapter and part are sheathed on the second connecting tube in described first connecting tube, and described second connecting tube is sheathed on described first and connects
Adjustable in length in pipe, described first connecting tube is cut with scissors with described first regulation support away from one end of described second connecting tube
Connecing, described second connecting tube is provided with described card reader installation portion away from one end of described first connecting tube.
Card reader attachment means the most according to claim 5, it is characterised in that described first connecting tube is provided with the first regulation
Hole, described second connecting tube is provided with axially disposed multiple second adjustment holes, described first adjustment hole and described second regulation
Hole is connected by the second appended claims.
Card reader attachment means the most according to claim 1, it is characterised in that described card reader installation portion is provided with for pacifying
The card reading slot filling card reader and the fixing hole connected with described card reading slot, described fixing hole connects and has the 3rd securing member, described
Card reading slot removably connects with described turnover bracket.
Card reader attachment means the most according to claim 7, it is characterised in that described card reading slot is relative with described fixing hole
Side inwall be provided with improved mat.
9. according to the card reader attachment means described in any one of claim 1 to 8, it is characterised in that described installation dial framework is provided with
The first installing hole being oppositely arranged and the second installing hole, the two ends of described rotating shaft respectively with described first installing hole, described second
Installing hole connects.
10., according to the card reader attachment means described in any one of claim 1 to 8, described installation dial framework is fixed with at least two
The individual described interactive terminal table being arranged side by side, it is characterised in that described turnover bracket and described interactive terminal table one_to_one corresponding, institute
The axial direction stating rotating shaft is parallel with the arranged direction of described interactive terminal table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620659007.9U CN205691760U (en) | 2016-06-24 | 2016-06-24 | Card reader attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620659007.9U CN205691760U (en) | 2016-06-24 | 2016-06-24 | Card reader attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691760U true CN205691760U (en) | 2016-11-16 |
Family
ID=57426704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620659007.9U Active CN205691760U (en) | 2016-06-24 | 2016-06-24 | Card reader attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249369A (en) * | 2023-11-20 | 2023-12-19 | 山西科达自控股份有限公司 | Robot card reader fixed bolster |
-
2016
- 2016-06-24 CN CN201620659007.9U patent/CN205691760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249369A (en) * | 2023-11-20 | 2023-12-19 | 山西科达自控股份有限公司 | Robot card reader fixed bolster |
| CN117249369B (en) * | 2023-11-20 | 2024-02-20 | 山西科达自控股份有限公司 | Robot card reader fixed bolster |
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Effective date of registration: 20210607 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China Southern Power Grid Research Institute Co.,Ltd. Address before: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: CSG POWER GRID TECHNOLOGY RESEARCH CENTER Patentee before: China Southern Power Grid Research Institute Co.,Ltd. |