CN205544882U - But control front end network management set power - Google Patents
But control front end network management set power Download PDFInfo
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- CN205544882U CN205544882U CN201520421772.2U CN201520421772U CN205544882U CN 205544882 U CN205544882 U CN 205544882U CN 201520421772 U CN201520421772 U CN 201520421772U CN 205544882 U CN205544882 U CN 205544882U
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Abstract
The utility model discloses a but control front end network management set power, including control module and the alternating current input interface who connects in order, surge protection module, alternating current -direct current conversion module, controlled transformer module and rectification filtered output module, be connected with current detection module on the controlled transformer module, be connected with voltage testing in the rectification filtered output module, current detection module's current detection signal output, voltage testing's voltage detecting signal output part respectively with control module connects, control module is last still be connected with be used for to the power module of control module power supply controls with being used for controlled transformer module's duty cycle is so that make the required galvanic drive module that stabilizes is exported to rectification filtered output module, it has the ACAC transformer output module that is used for the output interflow electricity still to connect in parallel in the surge protection module. The present case simple structure easily realize, has the alternating current -direct current output function, and its convenient to use is practical.
Description
[technical field]
This utility model relates to front monitoring front-end can webmaster set power supply.
[background technology]
At present, existing power supply has DC source and alternating current power supply, a power supply to only have a kind
The electricity output of type, it is unsatisfactory for the use of reality.
Therefore, it is necessary to solve as above problem.
[utility model content]
This utility model overcomes the deficiency of above-mentioned technology, it is provided that front monitoring front-end can webmaster set
Power supply, its simple in construction easily realizes, and has multiple voltage output, and entirety has surge and protects
Protective function, practicality is good.
For achieving the above object, this utility model have employed following technical proposal:
Front monitoring front-end can webmaster set power supply, include control module 1 and exchanging of being sequentially connected with
Electricity input interface 2, surge protection module 3, AC-DC conversion module 4, controlled transformers module
5 and be used for exporting galvanic rectifying and wave-filtering output module 6, described controlled transformers module
Connect on 5 and have the current detection module 7 for detecting input size of current, described rectifying and wave-filtering
Connect on output module 6 and have voltage detection module 8, the electric current inspection of described current detection module 7
Survey signal output part, voltage detection module 8 voltage detection signal outfan respectively with described control
Molding block 1 connects, and described control module 1 is also associated with for supplying to described control module 1
The supply module 9 of electricity and for controlling the dutycycle of described controlled transformers module 5 so that making
Described rectifying and wave-filtering output module 6 exports the driving module 10 of required stable DC electricity, described wave
Gush and be also parallel with the AC/AC transformator output module for output AC electricity in protection module 3
11。
Front monitoring front-end as above can webmaster set power supply, described AC-DC conversion module 4 is wrapped
Include the common mode inductance module 41 being sequentially connected with on described surge protection module 3 and rectifier bridge is defeated
Go out module 42.
Front monitoring front-end as above can webmaster set power supply, described rectifying and wave-filtering output module 6
Outfan is parallel with unidirectional current output indicator module 12.
Front monitoring front-end as above can webmaster set power supply, described AC/AC transformator output mould
Block 11 outfan is parallel with alternating current output indicator module 13.
Front monitoring front-end as above can webmaster set power supply, described controlled transformers module 5 is wrapped
Having included transformator T1, NMOS tube U1 and resistance R4, described transformator T1 is provided with
Armature winding S0, described transformator T1 armature winding S0 one end and described AC-DC conversion module
4 cathode output ends connect, the transformator T1 armature winding S0 other end and described NMOS tube
The drain electrode of U1 is connected, after the source electrode of described NMOS tube U1 is connected with resistance R4 one end
Current detection signal outfan and described current detecting mould as described controlled transformers module 5
The current detection signal input of block 7 connects, and the described resistance R4 other end turns with described alternating current-direct current
Die change block 4 cathode output end connects, and the grid of described NMOS tube U1 is as described controlled change
The control signal input of depressor module 5 is by described driving module 10 and described control module 1
Control signal outfan connects.
Front monitoring front-end as above can webmaster set power supply, described controlled transformers module 5
Being additionally provided with secondary windings S1 on transformator T1, described supply module 9 includes resistance R6, whole
Stream diode D6, polar capacitor C5 and stabistor D7, described commutation diode
D6 positive pole is connected with secondary windings S1 one end of described transformator T1, commutation diode D6
Negative pole and described resistance R6 one end, polar capacitor C5 positive pole, stabistor D7 negative pole phase
After connection defeated with described control module 1 positive source as described supply module 9 cathode output end
Enter end to be connected, described polar capacitor C5 negative pole and the described secondary windings S1 other end, stable
Diode D7 positive pole, control module 1 power cathode input turn with described alternating current-direct current after being connected
Die change block 4 cathode output end is connected, the described resistance R6 other end and described DC conversion modules
4 cathode output ends connect.
Front monitoring front-end as above can webmaster set power supply, described controlled transformers module 5
Being additionally provided with secondary windings S2 on transformator T1, described rectifying and wave-filtering output module 6 includes rectification
Diode D5, electric capacity C2, polar capacitor C3～C4, inductance L2 and resistance R5, institute
State commutation diode D5 positive pole to be connected with secondary windings S2 one end of described transformator T1,
Commutation diode D5 negative pole is connected with described inductance L2 one end, polar capacitor C4 positive terminal
Afterwards as a cathode output end 12V-1 of described rectifying and wave-filtering output module 6, described polar capacitor
C4 negative pole end and the secondary windings S2 other end of described transformator T1, electric capacity C2 one end, pole
Property electric capacity C3 negative pole end, resistance R5 one end be connected after as described rectifying and wave-filtering output module
The cathode output end of 6, the other end of described inductance L2 and the described electric capacity C2 other end, polarity
Electric capacity C3 positive terminal, the resistance R5 other end be connected after as described rectifying and wave-filtering output module
Another cathode output end 12V of 6.
Front monitoring front-end as above can webmaster set power supply, described voltage detection module 8 includes
Resistance R8～R9, resistance R12～R15, electric capacity C10, model are the three-terminal voltage-stabilizing core of TL431
Sheet Q1, three end rheostat RT1 and optocoupler U2, described resistance R14 one end is whole with described
Stream filtering output module 6 cathode output end 12V connects, the resistance R14 other end and described resistance
R15 one end, electric capacity C10 one end, the reference pole of three-terminal voltage-stabilizing chip Q1 are connected, described
The resistance R15 other end is connected with the described three fixing ends of end rheostat RT1 mono-, described electric capacity C10
The other end is connected with described resistance R13 one end, another fixing end of described three end rheostat RT1
Ground connection after being connected with the anode of its movable end and three-terminal voltage-stabilizing chip Q1, described three-terminal voltage-stabilizing
The negative electrode of chip Q1 and the described resistance R13 other end, the light emitting diode negative pole phase of optocoupler U2
Connecting, the light emitting diode positive pole of described optocoupler U2 is connected with described resistance R12 one end, institute
State the resistance R12 other end as described voltage detection module 8 voltage detection signal input and institute
State rectifying and wave-filtering output module 6 cathode output end 12V-1 to connect, described optocoupler U2 opto-electronic receiver
The colelctor electrode of pipe connects 15V voltage, the emitter stage of photoelectric receiving tube and described resistance R8 one end,
Resistance R9 one end is connected, described resistance R9 other end ground connection, the described resistance R8 other end
Voltage detection signal outfan and the voltage of described control module 1 as voltage detection module 8
Detection signal input part connects.
Front monitoring front-end as above can webmaster set power supply, described AC/AC transformator output mould
Block 11 uses AC220V to turn the transformer circuit of AC24V.
Front monitoring front-end as above can webmaster set power supply, on described surge protection module 3 also
It is parallel with alternating current output interface 15.
Compared with prior art, the beneficial effects of the utility model are:
1, simple in construction easily realizes, and has multiple voltage output, and entirety has surge protection
Function, controlled transformers module connects and has current detection module, described rectifying and wave-filtering output mould
Connect on block and have voltage detection module, it is simple to the control module closed loop control to controlled transformers module
System, it is simple to regulate so that the required stable DC of described rectifying and wave-filtering output module output is electric, and,
AC/AC transformator output module it is also associated with, its reality easy to use on alternating current input interface
With.
2, the energy of the supply module powered to control module is from rectifying and wave-filtering output module and institute
State the secondary windings S1 of transformator T1, it is simple to make described control module normally work.
3, voltage detection module uses optocoupler testing circuit, it is simple to the isolation detection of voltage.
[accompanying drawing explanation]
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is control module circuit diagram of the present utility model.
Fig. 3 is alternating current input interface of the present utility model, surge protection module, AC-DC conversion mould
Block circuit diagram.
Fig. 4 is controlled transformers module of the present utility model, rectifying and wave-filtering output module, current detecting
Module, supply module, driving module, unidirectional current output indicator module circuit diagram.
Fig. 5 is voltage detection module circuit diagram of the present utility model.
Fig. 6 is alternating current input interface of the present utility model, AC/AC transformator output module, exchange
Electricity output indicator module circuit diagram.
Fig. 7 is alternating current output interface circuit figure of the present utility model.
[detailed description of the invention]
Below in conjunction with accompanying drawing by embodiment this utility model feature and other correlated characteristic made into
One step describes in detail, in order to the understanding of technical staff of the same trade:
As it is shown in figure 1, front monitoring front-end can webmaster set power supply, include control module 1 and suitable
The alternating current input interface 2 of secondary connection, surge protection module 3, AC-DC conversion module 4, it is subject to
Control transformer module 5 and be used for exporting galvanic rectifying and wave-filtering output module 6, described is subject to
Connect on control transformer module 5 and have the current detection module 7 for detecting input size of current,
Connect on described rectifying and wave-filtering output module 6 and have voltage detection module 8, described current detecting mould
The current detection signal outfan of block 7, the voltage detection signal outfan of voltage detection module 8
It is connected with described control module 1 respectively, described control module 1 is also associated with for described
The supply module 9 of control module 1 power supply and for controlling accounting for of described controlled transformers module 5
Empty ratio is so that making the driving mould that described rectifying and wave-filtering output module 6 exports required stable DC electricity
Block 10, described surge protection module 3 is also parallel with and becomes for the AC/AC of output AC electricity
Depressor output module 11.
As it is shown on figure 3, described AC-DC conversion module 4 includes and is sequentially connected with at described surge
Common mode inductance module 41 in protection module 3 and rectifier bridge output module 42.
As shown in Figure 4, described rectifying and wave-filtering output module 6 outfan is parallel with unidirectional current output
Indicating lamp module 12.
As shown in Figure 6, described AC/AC transformator output module 11 outfan is parallel with exchange
Electricity output indicator module 13.
As shown in Figure 4, described transformator T1 is provided with armature winding S0, described controlled transformation
Device module 5 includes transformator T1, NMOS tube U1 and resistance R4, described transformator
T1 armature winding S0 one end is connected with described AC-DC conversion module 4 cathode output end, transformation
The device T1 armature winding S0 other end is connected with the drain electrode of described NMOS tube U1, described
The source electrode of NMOS tube U1 be connected with resistance R4 one end after as described controlled transformers module
The current detection signal outfan of 5 inputs with the current detection signal of described current detection module 7
End connects, and the described resistance R4 other end is connected with described AC-DC conversion module 4 cathode output end,
The grid of described NMOS tube U1 inputs as the control signal of described controlled transformers module 5
End is connected with described control module 1 control signal outfan by described driving module 10.
As shown in Figure 4, the transformator T1 of described controlled transformers module 5 is additionally provided with secondary around
Group S1, described supply module 9 include resistance R6, commutation diode D6, polar capacitor C5,
And stabistor D7, described commutation diode D6 positive pole is secondary with described transformator T1's
Level winding S1 one end is connected, commutation diode D6 negative pole and described resistance R6 one end, pole
Property electric capacity C5 positive pole, stabistor D7 negative pole be connected after as described supply module 9 just
Pole outfan is connected with described control module 1 positive source input, described polar capacitor C5
Negative pole and the described secondary windings S1 other end, stabistor D7 positive pole, control module 1 electricity
Source negative input is connected with described AC-DC conversion module 4 cathode output end after being connected,
The described resistance R6 other end is connected with described DC conversion modules 4 cathode output end.
As shown in Figure 4, described rectifying and wave-filtering output module 6 includes commutation diode D5, electric capacity
C2, polar capacitor C3～C4, inductance L2 and resistance R5, described controlled transformers module
Being additionally provided with secondary windings S2 on the transformator T1 of 5, described commutation diode D5 positive pole is with described
Secondary windings S2 one end of transformator T1 is connected, commutation diode D5 negative pole and described electricity
Sense L2 one end, polar capacitor C4 positive terminal be connected after as described rectifying and wave-filtering output module
The one cathode output end 12V-1 of 6, described polar capacitor C4 negative pole end and described transformator T1
The secondary windings S2 other end, electric capacity C2 one end, polar capacitor C3 negative pole end, resistance R5
One end be connected after as the cathode output end of described rectifying and wave-filtering output module 6, described inductance
The other end of L2 and the described electric capacity C2 other end, polar capacitor C3 positive terminal, resistance R5 are another
One end be connected after as another cathode output end 12V of described rectifying and wave-filtering output module 6.
As it is shown in figure 5, described voltage detection module 8 include resistance R8～R9, resistance R12～R15,
Electric capacity C10, model are the three-terminal voltage-stabilizing chip Q1 of TL431, three end rheostat RT1 and
Optocoupler U2, described resistance R14 one end and described rectifying and wave-filtering output module 6 cathode output end
12V connects, the resistance R14 other end and described resistance R15 one end, electric capacity C10 one end, three
The reference pole of end voltage stabilizing chip Q1 is connected, and the described resistance R15 other end becomes with described three ends
Resistance device RT1 mono-is fixing, and end connects, the described electric capacity C10 other end and described resistance R13 one end phase
Connect, another fixing end of described three end rheostat RT1 and its movable end and three-terminal voltage-stabilizing chip
The anode of Q1 be connected after ground connection, the negative electrode of described three-terminal voltage-stabilizing chip Q1 and described resistance R13
The other end, the light emitting diode negative pole of optocoupler U2 are connected, the light-emitting diodes of described optocoupler U2
Pipe positive pole is connected with described resistance R12 one end, and the described resistance R12 other end is as described voltage
Detection module 8 voltage detection signal input exports with described rectifying and wave-filtering output module 6 positive pole
End 12V-1 connects, and the colelctor electrode of described optocoupler U2 photoelectric receiving tube connects 15V voltage, photoelectricity
The emitter stage receiving pipe is connected with described resistance R8 one end, resistance R9 one end, described resistance
R9 other end ground connection, the described resistance R8 other end is as the voltage detecting of voltage detection module 8
Signal output part is connected with the voltage detection signal input of described control module 1.
As shown in Figure 6, described AC/AC transformator output module 11 uses AC220V to turn
The transformer circuit of AC24V.
As it is shown in fig. 7, be also parallel with alternating current output interface 15 on described surge protection module 3.
As it has been described above, the operation principle of this case is as follows:
Connection external communication electricity, described surge protection module 3 carries out surge protection, and described friendship is straight
Stream modular converter 4 is powered to described control module 1 by supply module 9, and control module 1 is led to
Module of overdriving 10 controls the conducting of described controlled transformers module 5, rectifying and wave-filtering output module
6 output unidirectional currents, described current detection module 7 detects described controlled transformers module 5 and inputs
End size of current is to prevent electric current excessive, and described voltage detection module 8 detects described rectifying and wave-filtering
Output module 6 output voltage size, described control module 1 controls controlled according to testing result
The operative duty cycles of transformer module 5.
As it has been described above, when described rectifying and wave-filtering output module 6 output voltage is more than required voltage,
I.e. its cathode output end 12V-1 voltage increases, and the optocoupler U2 of described voltage detection module 8 sends out
The light that optical diode sends to phototriode strengthens so that voltage detection module 8 output voltage
Signal increases, and described control module 1 detects this state by voltage detection module 8, control
Molding block 1 reduces the duty cycle time of described controlled transformers module 5 by driving module 10,
Finally making rectifying and wave-filtering output module 6 export required stable DC electricity, vice versa.
On the other hand, on described alternating current input interface 2, connection has AC/AC transformator to export mould
Block 11 is to export the alternating current of other electric pressure.
On the other hand, this power supply can directly export 220V exchange by alternating current output interface 15
Electricity.
As it has been described above, this case protection be front monitoring front-end can webmaster set power supply, all and this case
The same or like technical scheme of structure all should be shown as in the protection domain falling into this case.
Claims (7)
- null1. front monitoring front-end can webmaster set power supply，It is characterized in that the alternating current input interface (2) including control module (1) and being sequentially connected with、Surge protection module (3)、AC-DC conversion module (4)、Controlled transformers module (5)、And be used for exporting galvanic rectifying and wave-filtering output module (6)，There is the current detection module (7) for detecting input size of current described controlled transformers module (5) upper connection，The upper connection of described rectifying and wave-filtering output module (6) has voltage detection module (8)，The current detection signal outfan of described current detection module (7)、The voltage detection signal outfan of voltage detection module (8) is connected with described control module (1) respectively，It is also associated with the supply module (9) for powering to described control module (1) in described control module (1) and is used for controlling the dutycycle of described controlled transformers module (5) so that making the driving module (10) of described rectifying and wave-filtering output module (6) output required stable DC electricity，AC/AC transformator output module (11) for output AC electricity also it is parallel with on described surge protection module (3)，Described AC-DC conversion module (4) includes the common mode inductance module (41) and rectifier bridge output module (42) being sequentially connected with on described surge protection module (3)，Described rectifying and wave-filtering output module (6) outfan is parallel with unidirectional current output indicator module (12)，Described AC/AC transformator output module (11) outfan is parallel with alternating current output indicator module (13).
- nullFront monitoring front-end the most according to claim 1 can webmaster set power supply，It is characterized in that described controlled transformers module (5) includes transformator T1、NMOS tube U1、And resistance R4，Described transformator T1 is provided with armature winding S0，Described transformator T1 armature winding S0 one end is connected with described AC-DC conversion module (4) cathode output end，The transformator T1 armature winding S0 other end is connected with the drain electrode of described NMOS tube U1，The source electrode of described NMOS tube U1 is connected with the current detection signal input of described current detection module (7) as the current detection signal outfan of described controlled transformers module (5) after being connected with resistance R4 one end，The described resistance R4 other end is connected with described AC-DC conversion module (4) cathode output end，The grid of described NMOS tube U1 is connected with described control module (1) control signal outfan by described driving module (10) as the control signal input of described controlled transformers module (5).
- nullFront monitoring front-end the most according to claim 2 can webmaster set power supply，It is characterized in that being additionally provided with secondary windings S1 on the transformator T1 of described controlled transformers module (5)，Described supply module (9) includes resistance R6、Commutation diode D6、Polar capacitor C5、And stabistor D7，Described commutation diode D6 positive pole is connected with secondary windings S1 one end of described transformator T1，Commutation diode D6 negative pole and described resistance R6 one end、Polar capacitor C5 positive pole、Stabistor D7 negative pole is connected with described control module (1) positive source input as described supply module (9) cathode output end after being connected，Described polar capacitor C5 negative pole and the described secondary windings S1 other end、Stabistor D7 positive pole、Control module (1) power cathode input is connected with described AC-DC conversion module (4) cathode output end after being connected，The described resistance R6 other end is connected with described DC conversion modules (4) cathode output end.
- nullFront monitoring front-end the most according to claim 3 can webmaster set power supply，It is characterized in that being additionally provided with secondary windings S2 on the transformator T1 of described controlled transformers module (5)，Described rectifying and wave-filtering output module (6) includes commutation diode D5、Electric capacity C2、Polar capacitor C3～C4、Inductance L2、And resistance R5，Described commutation diode D5 positive pole is connected with secondary windings S2 one end of described transformator T1，Commutation diode D5 negative pole and described inductance L2 one end、Polar capacitor C4 positive terminal be connected after as a cathode output end 12V-1 of described rectifying and wave-filtering output module (6)，Described polar capacitor C4 negative pole end and the secondary windings S2 other end of described transformator T1、Electric capacity C2 one end、Polar capacitor C3 negative pole end、Resistance R5 one end be connected after as the cathode output end of described rectifying and wave-filtering output module (6)，The other end of described inductance L2 and the described electric capacity C2 other end、Polar capacitor C3 positive terminal、The resistance R5 other end be connected after as another cathode output end 12V of described rectifying and wave-filtering output module (6).
- nullFront monitoring front-end the most according to claim 4 can webmaster set power supply，It is characterized in that described voltage detection module (8) includes resistance R8～R9、Resistance R12～R15、Electric capacity C10、Model is the three-terminal voltage-stabilizing chip Q1 of TL431、Three end rheostat RT1、And optocoupler U2，Described resistance R14 one end is connected with described rectifying and wave-filtering output module (6) cathode output end 12V，The resistance R14 other end and described resistance R15 one end、Electric capacity C10 one end、The reference pole of three-terminal voltage-stabilizing chip Q1 is connected，The described resistance R15 other end is connected with the described three fixing ends of end rheostat RT1 mono-，The described electric capacity C10 other end is connected with described resistance R13 one end，Another fixing end of described three end rheostat RT1 and its movable end、And the anode of three-terminal voltage-stabilizing chip Q1 be connected after ground connection，The negative electrode of described three-terminal voltage-stabilizing chip Q1 and the described resistance R13 other end、The light emitting diode negative pole of optocoupler U2 is connected，The light emitting diode positive pole of described optocoupler U2 is connected with described resistance R12 one end，The described resistance R12 other end is connected with described rectifying and wave-filtering output module (6) cathode output end 12V-1 as described voltage detection module (8) voltage detection signal input，The colelctor electrode of described optocoupler U2 photoelectric receiving tube connects 15V voltage，The emitter stage of photoelectric receiving tube and described resistance R8 one end、Resistance R9 one end is connected，Described resistance R9 other end ground connection，The described resistance R8 other end is connected with the voltage detection signal input of described control module (1) as the voltage detection signal outfan of voltage detection module (8).
- Front monitoring front-end the most according to claim 1 can webmaster set power supply, it is characterised in that described AC/AC transformator output module (11) uses AC220V to turn the transformer circuit of AC24V.
- 7. can webmaster set power supply according to the front monitoring front-end described in claim 1-6 any one, it is characterised in that on described surge protection module (3), be also parallel with alternating current output interface (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421772.2U CN205544882U (en) | 2015-06-17 | 2015-06-17 | But control front end network management set power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421772.2U CN205544882U (en) | 2015-06-17 | 2015-06-17 | But control front end network management set power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544882U true CN205544882U (en) | 2016-08-31 |
Family
ID=56761424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520421772.2U Expired - Fee Related CN205544882U (en) | 2015-06-17 | 2015-06-17 | But control front end network management set power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106445059A (en) * | 2016-09-05 | 2017-02-22 | 深圳市炜烨丰电子科技有限公司 | Hard disk protection circuit for voltage leap of alternating-current power network |
| CN115800776A (en) * | 2023-01-30 | 2023-03-14 | 湖南力得尔智能科技股份有限公司 | Alternating current-direct current conversion system of planar transformer based on high-magnetism new material |
-
2015
- 2015-06-17 CN CN201520421772.2U patent/CN205544882U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106445059A (en) * | 2016-09-05 | 2017-02-22 | 深圳市炜烨丰电子科技有限公司 | Hard disk protection circuit for voltage leap of alternating-current power network |
| CN106445059B (en) * | 2016-09-05 | 2023-09-08 | 深圳市炜烨丰电子科技有限公司 | Hard disk protection circuit for sudden change of alternating current power grid voltage |
| CN115800776A (en) * | 2023-01-30 | 2023-03-14 | 湖南力得尔智能科技股份有限公司 | Alternating current-direct current conversion system of planar transformer based on high-magnetism new material |
| CN115800776B (en) * | 2023-01-30 | 2023-10-20 | 湖南力得尔智能科技股份有限公司 | AC/DC conversion system of planar transformer based on new high-magnetic material |
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Effective date of registration: 20190408 Address after: 528400 Linggang Complex Building B, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: Guangdong Hengyi Electronic Technology Co., Ltd. Address before: 528400 Ling Gang village, Torch Development Zone, Zhongshan, Guangdong Patentee before: Liu Guangchun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20210617 |