CN201546520U - Digital locking device for shaft part - Google Patents
Digital locking device for shaft part Download PDFInfo
- Publication number
- CN201546520U CN201546520U CN2009201951314U CN200920195131U CN201546520U CN 201546520 U CN201546520 U CN 201546520U CN 2009201951314 U CN2009201951314 U CN 2009201951314U CN 200920195131 U CN200920195131 U CN 200920195131U CN 201546520 U CN201546520 U CN 201546520U
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- shaft
- lockweight
- locking device
- motor drive
- bridge
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Abstract
The utility model relates to a digital locking device for a shaft part. The shaft part is provided with a clamping groove and an electronic tag code block. The device comprises a shell, a locking assembly and a circuit assembly, wherein the shell is provided with a supporting mechanism and a lockpin hole; the supporting mechanism can be used for the shaft part to be inserted in and limits the displacement of the shaft part in the radial direction; the locking assembly is provided with a closed lockpin; the closed lockpin is controlled or extends out of the lockpin hole and is clamped into a clamping groove arranged on the shaft part or is separated from the clamping groove arranged on the shaft part and is returned by the lockpin hole; the circuit assembly is in communication connection with a management center and is used for reading information of the electronic tag code block of the shaft part, uploading the information to the management center to carry out identity matching judgement and simultaneously controlling the operation of the locking assembly according to a control signal of the management center so as to complete personal identification of the management object and automatic locking management.
Description
Technical field
The utility model relates to field of lockset, particularly to the digital locking device of axle class band draw-in groove object.
Background technology
Current, much the storage and managenent of important object is still relatively more traditional in the industrial and mining enterprises and the commercial product for civilian use, basically be to adopt the more original artificial management mode that reaches paper record, be difficult to obtain facilities such as identification differentiation automatically, identity information identification prompting and locking, remote live inquiry.But, along with the day by day raising of people to life and production management requirement, must be for depositing of important objects to intellectuality, automation, with no paper management mode development.
Illustrate necessity of the present utility model below.
For example, relating to electrical domain, because of electric power in national economy important function and in case the damage sequence that causes of error is very serious, power industry or other relate to electric industry and prevent the maloperation except strengthening organization work in the management that relates to electric equipment or utensil, more progressively the technological means of application of advanced promotes effectiveness of nursing management, in the hope of improving efficiency of managing and reliability, reduce the error that human negligence may cause.Wherein, the security tool of the power domain particularly demand to the digital management of grounding wire is just particularly outstanding, and electrical safe working order is clearly stipulated, every winding electric wire all should be numbered, and leave the fixed location in, and deposit position also should be numbered, and the grounding wire number must be consistent with the deposit position number.
Along with the maturation of development, particularly RFID (abbreviation of Radio Frequency Identification, the i.e. radio frequency identification) electronic label technology of technology such as electronic information, computer network, automatic control, precision optical machinery, for above-mentioned demand for development provides the foundation.
No. 200720052776.3 patent disclosures of China the fastening devices of a kind of power circuit or equipment temporary ground wire ground pin, disclosed the technology contents that utilizes electronic information technology that temporary ground wire is carried out identification and the state of temporary ground wire when the ground connection judged in this patented technology, but it is complicated to appear part technological means of identification in fact, underaction.And, only mention the sealing and the opening that utilize locking bar control hole slot in this patented technology, allow temporary ground wire to insert hole slot, do not allow temporary ground wire to insert when closing when open; And ignored locking after temporary ground wire is inserted hole slot, though can position, can not realize locking truly by tightening the plug clamp nut.In addition, identification and arbitration functions that No. 200720052776.3 patents of China relate to are more, make structure huger, for when only need then seeming too complicated during to the functional product depositing object and carry out digitlization identification and locking at deposit position.
Temporary ground wire is carried out the technology of identification about utilizing electronic information technology, No. 200820047570.6 patent disclosures of China afterwards a kind of electronic tag code block, comprise the electronic tag body, it comprises label antenna and tag circuit, the coil of described label antenna for twining; Protection packaging, described electronic tag body is surrounded by protection packaging; Wherein, the coil of label antenna in the form of a ring, protection packaging also is a ring-type.Above-mentioned electronic tag code block is applied on the temporary ground wire, when it realizes the digitlization identification, and then have following beneficial effect: the label antenna setting of electronic tag code block ringwise, the read head device that is used can be readable at these circulating electron label antenna circumference 360 degree any directions, can simplify product design, make product operation flexible and reliable.
Need to prove, the above relates to the management of temporarily connecting wires of electric industry only for exemplifying, be understandable that, other object, such as important key or important special tool(s), wish that each object all has identify label, it deposits, take and be controlled management, then also needs this object is carried out digital improvement and carries out the off-tube reason.
The utility model content
The utility model purpose is the deficiency that overcomes current techniques, and a kind of digital locking device is provided, and realizes the identification to axle class band draw-in groove object, and the locking management should possess compact conformation, the practical and reliable characteristics simultaneously.
Above-mentioned purpose is realized by following technical scheme:
A kind of digital locking device of shaft, described shaft are provided with draw-in groove and electronic tag code block, it is characterized in that, this device comprises:
Housing, it is provided with supporting mechanism and lock pin eye, and supporting mechanism can wear and limit the displacement that it directly makes progress for shaft;
Locking assembly has a lockweight, and this lockweight is controlled or stretched out and snapped in the draw-in groove that is provided with on the shaft by described lock pin eye, or with shaft on the exact separation that is provided with and return by described lock pin eye;
Circuit unit communicates to connect with an administrative center, is used to read the information of described shaft electronic tag code block and be uploaded to administrative center, controls the action of locking assembly simultaneously according to the control signal of administrative center.
The concrete structure of locking assembly is: comprise motor drive mechanism and described lockweight, motor drive mechanism directly drives with described lockweight and is connected.
The concrete structure of locking assembly also can for: comprise disjunctor support, motor drive mechanism, bridge bar, bridge bar pivot pin and described lockweight, the disjunctor support fixation is arranged in the housing, the bridge bar is arranged on disjunctor by bridge bar pivot pin and supports, motor drive mechanism is installed in disjunctor and supports, the axle head of motor drive mechanism cooperates with bridge bar one end, the tip engages of the bridge bar other end and lockweight, motor drive mechanism are subjected to the control of circuit unit to drive the bridge bar to move, and then drive lockweight and stretch out at described lock pin eye place or return.
Above-mentioned motor drive mechanism is selected in micro motor or bistable state helix tube, and preferred shaft type bistable state helix tube, when adopting shaft type bistable state helix tube, the position of the axle of corresponding shaft type bistable state helix tube offers the manual block hole on the described housing, and configuration locking key, the axle that the locking key inserts the manual block hole and promotes shaft type bistable state helix tube moves, and rotates thereby drive the bridge bar, and lockweight is released described lock pin eye.
As further scheme, described locking assembly also comprises emergency release mechanism, this emergency release mechanism comprises: unlock key, lock knob, spacer pin, the bridge piece, bridge piece pivot pin and return spring, the bridge piece is arranged on described disjunctor by bridge piece pivot pin and supports, lock knob is arranged on disjunctor rotationally and supports, its axially outside limited pin restriction, the end of cage knob cooperates with bridge piece one end, the bridge piece other end cooperates with the other end of described bridge bar, the installation site of corresponding lock knob offers the emergency release hole on the described housing, unlock key inserts in the emergency release hole and drives lock knob and rotates, the end drive axle piece action of lock knob, lockweight is return in bridge piece and then the action of drive bridge bar, and described return spring is used to control bridge piece self-return.
Described circuit unit comprises main control board and the electronic labeling information read coil and the holding wire that are connected with main control board, described electronic labeling information read coil is used to read the information into the electronic tag code block of the shaft of position, and holding wire is given the information uploading that reads administrative center or the control signal that administrative center sends is sent to locking assembly.
The concrete set-up mode of described electronic labeling information read coil is: described housing is provided with the read head fenestra, and described electronic labeling information read coil is installed on read head fenestra place.
Described circuit unit also comprises state judgement and display circuit, the information that be used to obtain described motor drive mechanism running status, reaches abnormal conditions, and whether the identity that corresponding demonstration locking or released state and quilt are managed shaft is correct.
Described circuit unit also comprises thread depressing mechanism, and this thread depressing mechanism comprises first briquetting, second briquetting and line pressing bolt, and described holding wire is located between first briquetting and second briquetting, is compressed by line pressing bolt.The preferable arc groove that is provided with of described first briquetting, holding wire is squeezed in the arc groove during installation, under second briquetting and line pressing bolt effect, compresses holding wire.
Be sticked on the described shell and record the sign facial mask of coupling identity information.
In the utility model, the supporting mechanism that provides on the housing can limit its radially activity when supporting shaft; By lockweight is set, and controls it and cooperate with draw-in groove on the shaft or separate, can realize locking or unlocking operation shaft; Read the information of described shaft electronic tag code block and give administrative center's analysis and judgement by circuit unit, carry out the judgement of identities match, send control signal by administrative center.Just can reach the identification of managed object and automatic blocking management based on technique scheme the utility model.In addition, in order to make the utility model apparatus function more perfect, additional functions such as manual block, emergency release can be set preferably.Generally speaking, the utlity model has compact conformation, practical reliable, advantage such as easy to operate, with low cost.
Description of drawings
Fig. 1 is the stereogram of the blocking device that provides of the utility model;
Fig. 2 is the schematic diagram that blocking device that the utility model provides cooperates with temporary ground wire;
Fig. 3 is the explosive view of locking assembly in the blocking device that provides of the utility model;
Fig. 4 is the sectional view of the blocking device that provides of the utility model;
Fig. 5 is the explosive view of circuit unit in the blocking device that provides of the utility model;
Fig. 6 is the exploded view of thread depressing mechanism in the blocking device that provides of the utility model
Fig. 7 is the another kind of implementation of first briquetting shown in Fig. 6.
The specific embodiment
As shown in Figure 1, present embodiment provides a kind of digital locking device 100, be used for the shaft of band draw-in groove and electronic tag code block is carried out identification and locking management, in conjunction with consulting Fig. 2, described shaft is an example with temporary ground wire 9, this temporary ground wire 9 is provided with draw-in groove 91 and electronic tag code block 92, and the preferable setting of the label antenna of electronic tag code block 92 ringwise.
In conjunction with consulting Fig. 1, Fig. 3 and Fig. 4, the digital locking device 100 that present embodiment provides comprises: the locking assembly 2 and the circuit unit 3 of installing in housing 1 and the housing 1.Describe in detail respectively below in conjunction with accompanying drawing:
As shown in Figure 1, housing 1 comprises main casing 11 and back shroud 5 (in conjunction with shown in Figure 4), and main casing 11 is provided with supporting mechanism 111, lock pin eye 112, read head fenestra 113, manual block hole 114, emergency release hole 115, sign facial mask 116 and indicator lamp hole 117.Wherein, supporting mechanism 111 is semi-surrounding formula structure (not getting rid of can be to surround the formula structure entirely), can wear for temporary ground wire 9, limits the displacement (in conjunction with Fig. 2) of the radial direction of temporary ground wire 9 simultaneously.Lock pin eye 112 is arranged on supporting mechanism 111 places, uses lockweight 23 for locking assembly 2 to stretch out or returns (in conjunction with Fig. 5, hereinafter will describe in detail).Described read head fenestra 113 is arranged on lock pin eye 112 tops, if housing 1 during for metal material for avoiding electromagnetic shielding, this place is used to reserve the electronic tag induction part, and the electronic labeling information read coil 32 of circuit unit 3 will be arranged on this read head fenestra 113 places accordingly.Manual block hole 114 is arranged on a side of lock pin eye 112, and emergency release hole 115 is arranged on the opposite side of lock pin eye 112, and its effect will be described below.Sign facial mask 116 is sticked above manual block hole 114, is used to show corresponding identity information, as " 08 ".Indicator lamp hole 117 is opened in 115 tops, emergency release hole, is used for installing herein the status indicator lamp of circuit unit 3, hereinafter will describe in detail.
As shown in Figure 3, locking assembly 2 comprises disjunctor support 20, motor drive mechanism 21, bridge bar 22, bridge bar pivot pin 28 and the lockweight of above having stated 23.Be understandable that, though it is complicated that disjunctor shown in Figure 3 supports 20 structures, but its major function is the installation for the installation of above-mentioned other elements and the following emergency release assembly that will mention to provide support, be convenient to each element and be installed in the housing 1, so will its concrete shape and structure not described herein.In conjunction with shown in Figure 4, disjunctor supports 20 and is fixedly installed in the housing 1, and bridge bar 22 is arranged on disjunctor by bridge bar pivot pin 28 and supports on 20, and motor drive mechanism 21 is installed in disjunctor and supports on 20, the axle head 211 of motor drive mechanism 21 cooperates with bridge bar 22 1 ends, the tip engages of bridge bar 22 other ends and lockweight 23.Motor drive mechanism 21 is subjected to the control of circuit unit 3 to drive 22 actions of bridge bar, and then driving lockweight 23 stretches out (locking position) or returns (separating lock-bit) at described lock pin eye 112 places.
Described motor drive mechanism 21 can be a micro motor, preferred bistable state helix tube, particularly shaft type bistable state helix tube (the monostable helix tube meaning be after its power down under its return spring operation all the time outside one or interior position, bistable state then is if the back action that powers on goes out for axle, outside the power down rear axle just is parked in, go up oppositely electricity again, the axle action, axle returns, and the power down rear axle is parked in the position of withdrawal; The axis meaning is that its axle passes the visible axle in helix tube body front and back), if adopt shaft type bistable state helix tube, should make the axle of shaft type bistable state helix tube be positioned at 114 places, manual block hole mentioned above, dispose locking key 8 simultaneously.When motor drive mechanism 21 breaks down, can be by locking key 8 be inserted manual block hole 114, the axle that promotes shaft type bistable state helix tube moves, and rotates thereby drive bridge bar 22, and lockweight 23 is released.
Continue to consult Fig. 3, as preferred version, locking assembly 2 also comprises emergency release mechanism, is arranged on described disjunctor equally and supports on 20.Emergency release mechanism comprises: unlock key 7, lock knob 26, spacer pin 27, bridge piece 24, bridge piece pivot pin 29 and return spring 25.In conjunction with shown in Figure 4, bridge piece 24 is arranged on disjunctor by bridge piece pivot pin 29 and supports on 20, lock knob 26 is arranged on disjunctor rotationally and supports on 20, and be positioned at 115 places, emergency release hole mentioned above, its axially outside limited pin 27 restrictions, the end of cage knob 26 cooperates with bridge piece 24 1 ends, and bridge piece 24 other ends cooperate with the other end of described bridge bar 22.When the needs emergency release, insert unlock key 7 in the emergency release hole 115 and drive lock knob 26 and rotate, end drive axle piece 24 actions of lock knob 26, bridge piece 24 and then 22 actions of drive bridge bar, thereby lockweight 23 is return, and described return spring 25 is used to control bridge piece 24 self-returns and is preferably torsion spring.
Continue to consult Fig. 5, as preferred version, in order to make circuit unit 3 can also have the function that state is judged and shown, itself so comprise that state is judged and display circuit, the information that be used to obtain described motor drive mechanism running status, reaches abnormal conditions, corresponding locking or the released state and whether correct of showing by the identity of management shaft.In the present embodiment, the state of offering on the main control board 30 is judged hole 301 and at its installation site, both sides sensor (not showing among Fig. 5).In conjunction with Fig. 4, the axle head 211 of described motor drive mechanism 21 can at the device latchup state or released state inserts or exit status is judged hole 301, and described position sensor has or not the axle head of motor drive mechanism 21 to obtain the state of locking assembly 2 by perception.The status indicator lamp 33 that is provided with is used for corresponding locking or the released state and whether correct by the identity of management shaft of showing, by the indicator lamp hole of offering on the housing 1 117 the locking assembly status signal is shown to the operator, with the state of suggestion device.
In addition, in order to prevent that holding wire 34 unusual strings are moving and to obtain to be electrically connected reliably, as shown in Figure 6, present embodiment and then special-purpose thread depressing mechanism is provided, this thread depressing mechanism comprises first briquetting 41, second briquetting 42 and line pressing bolt 43, holding wire is located between first briquetting 41 and second briquetting 42, is compressed by line pressing bolt 43.Preferably, as shown in Figure 7, first briquetting 41 ' is provided with arc groove 411, and during installation, holding wire 34 is squeezed in the arc groove 411, under second briquetting 42 and line pressing bolt 43 effects, compresses holding wire 34.
Process and principle that 100 pairs of temporary ground wires of above-mentioned blocking device manage are described below: as shown in Figure 8, for comparatively regular temporary ground wire 9, when its draw-in groove 91 below section diameters during less than the slotted eye diameter of supporting mechanism 111 restriction, then can be directly with the temporary ground wire 9 top-down supporting mechanisms 111 of putting into; When putting into, the electronic tag code block 92 of temporary ground wire 9 is positioned at read head fenestra 113 places, and draw-in groove 91 is positioned at lock pin eye 112 places; At this moment, electronic labeling information read coil 32 reads the information of electronic tag code block 92 earlier, and be uploaded to administrative center's analysis and judgement, after the identity information of temporary ground wire 9 and the information of blocking device 100 requirements " correct pairing ", just carry out lock operation by control locking assembly 2, promptly drive lockweight 23 and stretch out and snap in the draw-in groove 91 of temporary ground wire 9,, then do not carry out lock operation if information does not match; When unblanking to take out temporary ground wire 9, send unlocking signal by administrative center, send main control board 30 to through holding wire 34, and then control locking assembly 2 carries out unlock operations, promptly drive lockweight 23 and separate with the draw-in groove 91 of temporary ground wire 9 and return by described lock pin eye 112.In addition, record the identity information of coupling on the sign facial mask 116 that is provided with on the shell 1,, can obtain the synchronous effect of external identification and inherent digitlization identification so simultaneously as " 08 ".
Above-mentioned is preferred embodiment of the present utility model only, is used for fully open and unrestricted the utility model.Be understandable that: for described those skilled in the art, based on the utility model thought, described locking assembly is not got rid of by other frame for movement realization that realizes identical function, for example, locking assembly can only comprise motor drive mechanism and described lockweight, and motor drive mechanism directly drives with described lockweight and is connected; Described circuit unit is not got rid of by other electrical structure realization that realizes identical function yet, for example the described state of circuit unit 3 judges that the position sensor that install hole 301 and both sides thereof can adopt replacements such as touch switch or Hall element, axle (known, axle head has magnet when adopting Hall element) at the motor drive mechanism of correspondence cooperates judgement of finishing mechanism's state down.In addition, the manual block described in the foregoing description, emergency release, state judge and the display part is a preferred version, should not be used to limit the utility model.
Claims (10)
1. the digital locking device of a shaft, described shaft is provided with draw-in groove and electronic tag code block, it is characterized in that, and this device comprises:
Housing, it is provided with supporting mechanism and lock pin eye, and supporting mechanism can wear and limit the displacement that it directly makes progress for shaft;
Locking assembly has a lockweight, and this lockweight is controlled or stretched out and snapped in the draw-in groove that is provided with on the shaft by described lock pin eye, or with shaft on the exact separation that is provided with and return by described lock pin eye;
Circuit unit communicates to connect with an administrative center, is used to read the information of described shaft electronic tag code block and be uploaded to administrative center, controls the action of locking assembly simultaneously according to the control signal of administrative center.
2. the digital locking device of shaft according to claim 1 is characterized in that, locking assembly comprises motor drive mechanism and described lockweight, and motor drive mechanism directly drives with described lockweight and is connected.
3. the digital locking device of shaft according to claim 1, it is characterized in that, locking assembly comprises disjunctor support, motor drive mechanism, bridge bar, bridge bar pivot pin and described lockweight, the disjunctor support fixation is arranged in the housing, the bridge bar is arranged on disjunctor by bridge bar pivot pin and supports, motor drive mechanism is installed in disjunctor and supports, the axle head of motor drive mechanism cooperates with bridge bar one end, the tip engages of the bridge bar other end and lockweight, motor drive mechanism is subjected to the control of circuit unit to drive the bridge bar to move, and then drives lockweight and stretch out at described lock pin eye place or return.
4. the digital locking device of shaft according to claim 3 is characterized in that, described motor drive mechanism is selected in micro motor, bistable state helix tube.
5. the digital locking device of shaft according to claim 4, it is characterized in that, described motor drive mechanism adopts shaft type bistable state helix tube, the position of the axle of corresponding shaft type bistable state helix tube offers the manual block hole on the described housing, and configuration locking key, the axle that the locking key inserts the manual block hole and promotes shaft type bistable state helix tube moves, and rotates thereby drive the bridge bar, and lockweight is released described lock pin eye.
6. according to claim 3, the digital locking device of 4 or 5 any described shafts, it is characterized in that, described locking assembly also comprises emergency release mechanism, this emergency release mechanism comprises: unlock key, lock knob, spacer pin, the bridge piece, bridge piece pivot pin and return spring, the bridge piece is arranged on described disjunctor by bridge piece pivot pin and supports, lock knob is arranged on disjunctor rotationally and supports, its axially outside limited pin restriction, the end of cage knob cooperates with bridge piece one end, the bridge piece other end cooperates with the other end of described bridge bar, the installation site of corresponding lock knob offers the emergency release hole on the described housing, unlock key inserts in the emergency release hole and drives lock knob and rotates, the end drive axle piece action of lock knob, bridge piece and then the action of drive bridge bar, lockweight is return, and described return spring is used to control bridge piece self-return.
7. according to the digital locking device of claim 2 or 3 any described shafts, it is characterized in that, described circuit unit comprises main control board and the electronic labeling information read coil and the holding wire that are connected with main control board, described electronic labeling information read coil is used to read the information into the electronic tag code block of the shaft of position, and holding wire is given the information uploading that reads administrative center or the control signal that administrative center sends is sent to locking assembly.
8. the digital locking device of shaft according to claim 7 is characterized in that, described housing is provided with the read head fenestra, and described electronic labeling information read coil is installed on read head fenestra place.
9. the digital locking device of shaft according to claim 7, it is characterized in that, described circuit unit also comprises state judgement and display circuit, the information that be used to obtain described motor drive mechanism running status, reaches abnormal conditions, corresponding locking or the released state and whether correct of showing by the identity of management shaft.
10. the digital locking device of shaft according to claim 7, it is characterized in that, described circuit unit also comprises thread depressing mechanism, this thread depressing mechanism comprises first briquetting, second briquetting and line pressing bolt, described first briquetting is provided with arc groove, holding wire is squeezed in the arc groove during installation, under second briquetting and line pressing bolt effect, compresses holding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201951314U CN201546520U (en) | 2009-09-21 | 2009-09-21 | Digital locking device for shaft part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201951314U CN201546520U (en) | 2009-09-21 | 2009-09-21 | Digital locking device for shaft part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546520U true CN201546520U (en) | 2010-08-11 |
Family
ID=42601694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201951314U Expired - Lifetime CN201546520U (en) | 2009-09-21 | 2009-09-21 | Digital locking device for shaft part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201546520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666185B (en) * | 2009-09-21 | 2012-05-30 | 珠海共创电力安全技术股份有限公司 | Digital locking device for shaft |
-
2009
- 2009-09-21 CN CN2009201951314U patent/CN201546520U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666185B (en) * | 2009-09-21 | 2012-05-30 | 珠海共创电力安全技术股份有限公司 | Digital locking device for shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGYUAN GONGCHUANG ELECTRIC POWER SAFETY TECHNOL Free format text: FORMER NAME: ZHUHAI CONTRON POWER SAFETY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 519085, science and Technology Innovation Coast, third hi tech Zone, Zhuhai hi tech Zone, Guangdong, Guangdong province 11, No. 6, No. Patentee after: Changyuan Contron Power Security Technology Co., Ltd. Address before: 519085, science and Technology Innovation Coast, third hi tech Zone, Zhuhai hi tech Zone, Guangdong, Guangdong province 11, No. 6, No. Patentee before: Zhuhai Contron Power Safety Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100811 Effective date of abandoning: 20090921 |