CN205281218U - System for through communication of switching power supply power output line and programming - Google Patents
System for through communication of switching power supply power output line and programming Download PDFInfo
- Publication number
- CN205281218U CN205281218U CN201521009933.3U CN201521009933U CN205281218U CN 205281218 U CN205281218 U CN 205281218U CN 201521009933 U CN201521009933 U CN 201521009933U CN 205281218 U CN205281218 U CN 205281218U
- Authority
- CN
- China
- Prior art keywords
- power supply
- switch power
- resistance
- operational amplifier
- programming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a system for through communication of switching power supply power output line and programming, including switching power supply and programmable device, switching power supply includes the switching power supply power output line, switching power supply's power output circuit had both been regarded as to the switching power supply power output line, also was simultaneously the circuit of communicating and programming between switching power supply and the programmable device. The utility model provides a pair of system for through communication of switching power supply power output line and programming, utilize switching power supply from the power output line in area as the signal line of communication with the programming, realize outside programmable device and programme to the treater of switching power supply inside that the switching power supply treater is saved it in nonvolatile memory after receiving settlement information, at next switching power supply start during operation, control switching power supply.
Description
Technical field
The utility model relates to switch power technology field, particularly relates to a kind of by the system of the communication of switch power supply power stage line and programming.
Background technology
Switch power supply has extensively been dispersed throughout in industry-by-industry. At present, the requirement for switch power supply not only has been confined to have stable output, also has some application to require that the voltage exported or electric current can be set in different values according to the requirement of embody rule. In prior art, establishing method has a variety of, and as by the plucking number sign switch on power supply, potentiometer or the independent programming signal wire etc. arranged set. All there is certain defect in aforesaid method:
1. set some simple parameter, such as outward currents, output voltage etc. by the plucking number sign switch in machinery setting switch power supply or potentiometer. Because of its function singleness, it is not suitable for the occasion needing to carry out complicated setting.
2. by the independent programming signal wire setting arranged. By special external interface, the control IC of power supply inside or micro-chip are read and write, it is achieved the comparatively complicated settings such as power fall in timed power on/off, timing. This kind of establishing method also exists following shortcoming: need for power supply provides the voltage of a 5 ~ 12V; Because the existence of setting port so that it is be difficult to accomplish higher classification of waterproof; Complicated operation, cost is higher.
Practical novel content
Technical problem to be solved in the utility model is: in order to overcome the deficiency of switch power supply parameter setting mode complexity of the prior art, the utility model provides a kind of by the system of the communication of switch power supply power stage line and programming, utilize power stage line that switch power supply carries as the signal wire of communication and programming, optimum configurations is carried out under the prerequisite not increasing control line, propose one more simple, realize the circuit of comparatively complicated power settings simultaneously.
The utility model solves the technical scheme that its technical problem to be adopted: a kind of by the system of the communication of switch power supply power stage line and programming, comprise switch power supply and programmer, described switch power supply comprises switch power supply power stage line, described switch power supply power stage line, both as the power stage circuit of switch power supply, is also the circuit communicating between switch power supply with programmer and programming simultaneously.
Existing switch power supply has power stage line and programming dedicated signal lines, generally have at least four circuits, the application is without the need to increasing special programming signal wire, utilize two power stage lines that switch power supply carries as the signal wire of communication and programming, single line multiplexing, it is achieved direct current signal and the transmission exchanged, carry out optimum configurations under the prerequisite not increasing control line, propose one more simple, realize the circuit of comparatively complicated power settings simultaneously.
Further, also comprise the electric capacity C0, current sampling circuit, signal treatment circuit, switch power supply treater and the switching power source control circuit that are arranged on switch power supply inside, described current sampling circuit, signal treatment circuit, switch power supply treater and switching power source control circuit are connected successively, described electric capacity C0 and current sampling circuit are serially connected on the output loop of switch power supply power stage line, and the coupling end ground connection of described electric capacity C0 and current sampling circuit, described switching power source control circuit is connected with described switch power supply power stage line;
Described programmer comprises programmer treater, controlled voltage source and resistance R0, described programmer treater is connected with described controlled voltage source, the output terminal in described controlled voltage source is connected with described switch power supply power stage line, and described resistance R0 is serially connected between the output terminal in described controlled voltage source and described switch power supply power stage line.
Programmer treater is after receiving outside setting signal, control controlled voltage source produces a square wave voltage signal, and this square wave voltage signal is superimposed on the volts DS of a 5 ~ 12V, can power for switch power supply simultaneously, therefore, this square wave voltage signal has direct current composition. Specific implementation can adopt the totalizer circuit of operational amplifier.
Square wave voltage signal is converted to the electric current signal comprising set point information by current limliting resistance R0, then it is input to switch power supply inside by switch power supply power stage line, switch power supply inside has bigger output capacitance C0(and is generally several hundred to several thousand microfarads), electric capacity C0 isolated DC signal, and short circuit is become for current pulse signal. Electric current signal is by after stopping condenser C0, sample through current sampling circuit, electric current signal is changed to positive negative pulse voltage signal, again through signal treatment circuit conversion, amplify, compare the voltage signal that positive negative pulse stuffing voltage signal is converted to switch power supply treater and can use, switch power supply treater, according to the voltage Signal-controlled switch Energy control circuit representing setting, makes switching power source control circuit trip switch power supply export satisfactory voltage, power signal.
Concrete, described current sampling circuit comprises current transformer T, and the first siding ring of described current transformer T is serially connected on the output loop of described switch power supply power stage line, and the second siding ring of described current transformer T is connected with signal treatment circuit.
Further, described signal treatment circuit comprises operational amplifier U1A, U1B, resistance R1, R2, R3, R4, R5, electric capacity C1 and biasing circuit, described electric capacity C1 one end connects the end of the same name of the second siding ring of described current transformer T, the other end connects the positive input of operational amplifier U1A, the positive input of described operational amplifier U1A is also connected with resistance R1 one end, the resistance R1 the other end is connected with the reverse input terminus of operational amplifier U1B, one end of resistance R2 and R3 is all connected with the reverse input terminus of operational amplifier U1A, the other end of resistance R2 is connected with the reverse input terminus of operational amplifier U1B, the other end of resistance R3 is connected with the output terminal OUTA of operational amplifier U1A, described resistance R4 is serially connected between the output terminal OUTA of operational amplifier U1A and the positive input of operational amplifier U1B, resistance R5 one end and operational amplifier U1B reverse input terminus be connected, the other end is connected with the output terminal OUTB of operational amplifier U1B, described biasing circuit output offset voltage SA is connected with the reverse input terminus of operational amplifier U1B.
Further, in order to provide a biased voltage to signal treatment circuit, described biasing circuit comprises resistance R6 and R7, described resistance R6 and R7 is connected between power supply and ground, extraction voltage between described resistance R6 and R7 is biased voltage SA, and the different name end of the second siding ring of described current transformer T is connected with biased voltage SA. Preferably, the resistance of resistance R6 and R7 is equal.
The main purposes of signal treatment circuit is that the positive negative pulse stuffing obtained on current transformer T is converted to the square wave signal that switch power supply treater can use.
First, the pulse voltage signal sampled export through current transformer T, then carry out every directly through electric capacity C1, it is input to the positive input of operational amplifier U1A, owing to the resistance of resistance R1 is much larger than the resistance of R6 and R7, therefore the magnitude of voltage at R1 two ends does not change substantially, for the reverse input terminus of operational amplifier U1A and U1B provides a biased voltage SA; Owing to the resistance of resistance R3 and R5 is much larger than the resistance of R2, therefore the output voltage of U1A is determined by the fan-out capability of operational amplifier U1A and U1B, forms, by operational amplifier U1A and U1B, the signal that a sluggish comparer identifies input.
Further, for the ease of the setting of parameter, input and observation, described programmer also comprises keyboard, liquid crystal and computer interface, and described keyboard, liquid crystal and computer interface are all connected with described programmer treater.
Further, also comprise signal feedback circuit, described signal feedback circuit comprises resistance R8 and triode Q, the leading-out end of described resistance R0 and switch power supply power stage line is connected with one end of described resistance R8, the other end of described resistance R8 is connected with the collector electrode of triode Q, the base stage of described triode Q is connected with described switch power supply treater, the transmitting collection ground connection of described triode Q. Signal feedback circuit is used for the state of monitoring communications and programming, and after switch power supply treater detects the change of programmer output voltage, the signal sending communication and having programmed, to raise the efficiency. The signal that communicated can adopt hummer or pilot lamp to indicate.
By a method for the communication of switch power supply power stage line and programming, comprise the above-mentioned system being communicated by switch power supply power stage line and programming, and comprise the following steps:
Step 1: programmer exports set(ting)value;
Step 2: set(ting)value is input to switch power supply treater by switch power supply power stage line, it is achieved communication between switch power supply treater and programmer and programming;
Step 3: the output rating of switch power supply, electric current and voltage are controlled by the switch power supply treater after programming according to set(ting)value.
Further, described step 1 specifically comprises:
Step 1.1: programmer treater controls controlled voltage source according to external setting-up value, makes controlled voltage source produce the voltage signal corresponding with set(ting)value;
Step 1.2: voltage signal is converted to electric current signal by resistance R0;
Described step 2 specifically comprises:
Step 2.1: switch power supply power stage line accepts electric current signal, and electric current signal is carried out every straight process;
Step 2.2: the electric current signal in current sampling circuit collection programming loop, and electric current signal is transformed into voltage pulse signal;
Step 2.3: the voltage pulse signal exported by current sampling circuit by signal treatment circuit carries out conversion process, forms the signal that can be used by switch power supply treater;
Step 2.4: switch power supply treater receives the signal information corresponding with set(ting)value, and information is stored in nonvolatile memory.
Further, in order to improve communication and the efficiency of programming, step 2 also comprises step: while communication and programming, by the state of switch power supply treater monitoring communications and programming.
The beneficial effects of the utility model are: it is a kind of by the system of the communication of switch power supply power stage line and programming that the utility model provides, utilize power stage line that switch power supply carries as the signal wire of communication and programming, realize external programmer to be programmed by the treater of switch power supply inside, switch power supply treater is after receiving set information, it is stored in internal non-volatile memory, when switch power supply start work next time, switch power supply is controlled, optimum configurations is carried out under the prerequisite not increasing control line, simple to operate, do not increase cost, simultaneously, the demand of various occasion parameter setting can be met again.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structure principle chart of a kind of embodiment of the utility model;
Fig. 2 is the structure principle chart of the utility model another kind of embodiment;
Fig. 3 is the structural representation of signal treatment circuit in the utility model;
Fig. 4 is the waveform diagram inputting in the utility model, outputing signal.
Embodiment
By reference to the accompanying drawings the utility model is described in detail now. This figure is the schematic diagram simplified, and only with illustration, basic structure of the present utility model is described, therefore it only shows the formation relevant with the utility model.
Embodiment one:
As shown in Figure 1, a kind of by the system of the communication of switch power supply power stage line and programming, comprise switch power supply and programmer, described switch power supply comprises switch power supply power stage line, described switch power supply power stage line, both as the power stage circuit of switch power supply, is also the circuit communicating between switch power supply with programmer and programming simultaneously.
Also comprise the electric capacity C0, current sampling circuit, signal treatment circuit, switch power supply treater and the switching power source control circuit that are arranged on switch power supply inside, described current sampling circuit, signal treatment circuit, switch power supply treater and switching power source control circuit are connected successively, described electric capacity C0 and current sampling circuit are serially connected on the output loop of switch power supply power stage line, and the coupling end ground connection of described electric capacity C0 and current sampling circuit, described switching power source control circuit is connected with described switch power supply power stage line;
Described programmer comprises programmer treater, controlled voltage source and resistance R0, described programmer treater is connected with described controlled voltage source, the output terminal in described controlled voltage source is connected with described switch power supply power stage line, and described resistance R0 is serially connected between the output terminal in described controlled voltage source and described switch power supply power stage line.
Described current sampling circuit comprises current transformer T, and the first siding ring of described current transformer T is serially connected on the output loop of described switch power supply power stage line, and the second siding ring of described current transformer T is connected with signal treatment circuit.
As shown in Figure 3, described signal treatment circuit comprises operational amplifier U1A, U1B, resistance R1, R2, R3, R4, R5, electric capacity C1 and biasing circuit, described electric capacity C1 one end connects the end of the same name of the second siding ring of described current transformer T, the other end connects the positive input of operational amplifier U1A, the positive input of described operational amplifier U1A is also connected with resistance R1 one end, the resistance R1 the other end is connected with the reverse input terminus of operational amplifier U1B, one end of resistance R2 and R3 is all connected with the reverse input terminus of operational amplifier U1A, the other end of resistance R2 is connected with the reverse input terminus of operational amplifier U1B, the other end of resistance R3 is connected with the output terminal OUTA of operational amplifier U1A, described resistance R4 is serially connected between the output terminal OUTA of operational amplifier U1A and the positive input of operational amplifier U1B, resistance R5 one end and operational amplifier U1B reverse input terminus be connected, the other end is connected with the output terminal OUTB of operational amplifier U1B, described biasing circuit output offset voltage SA is connected with the reverse input terminus of operational amplifier U1B.
Described biasing circuit comprises resistance R6 and R7, and described resistance R6 and R7 is connected between power supply and ground, and the extraction voltage between described resistance R6 and R7 is biased voltage SA, and the different name end of the second siding ring of described current transformer T is connected with biased voltage SA. Preferably, the resistance of resistance R6 and R7 is equal.
Stopping condenser C1 is connected to the positive input of U1A and the second siding ring end of the same name of current transformer T. The second siding ring different name end of current transformer T is connected to the biased voltage SA provided by R6 and R7, and the positive input of operational amplifier U1A it is connected to by R1, the reverse input terminus being connected to operational amplifier U1A by R2, biased voltage SA is also connected with the reverse input terminus of operational amplifier U1B.
Resistance R3 is used as the negative feedback resistor of operational amplifier U1A, and resistance R5 is used as the negative feedback resistor of operational amplifier U1B, the connection that R4 is used between two amplifiers and current limliting.
Wherein: R7=R8 > > R1=R5 > > R3=R4
As shown in Figure 4, A is the voltage waveform of operational amplifier U1A output terminal OUTA; B is the voltage waveform of the positive input of operational amplifier U1A; C is the voltage waveform of the output terminal OUTB of operational amplifier U1B, the i.e. waveform of output voltage.
Current transformer T first siding ring flows through square wave current signal, in the positive and negative hopping edge of square wave current signal so that current transformer T second siding ring produces generating positive and negative voltage pulse, and by the positive input of stopping condenser C1 to operational amplifier U1A.
Biased voltage SA, R7 that the negative input of operational amplifier U1A receives R6, R7 by R2 to be provided provide reverse feedback.
After input signal is tentatively amplified by operational amplifier U1A, entering the comparer being made up of operational amplifier U1B, signal is shaped to the treater use that square wave exports to switch power supply by comparer.
Embodiment two:
The present embodiment is roughly identical with embodiment one, difference is in the present embodiment also comprise signal feedback circuit, as shown in Figure 2, described signal feedback circuit comprises resistance R8 and triode Q, the leading-out end of described resistance R0 and switch power supply power stage line is connected with one end of described resistance R8, the other end of described resistance R8 is connected with the collector electrode of triode Q, and the base stage of described triode Q is connected with described switch power supply treater, the transmitting collection ground connection of described triode Q.
By a method for the communication of switch power supply power stage line and programming, comprise the above-mentioned system being communicated by switch power supply power stage line and programming, and comprise the following steps:
Step 1: programmer exports set(ting)value;
Step 2: set(ting)value is input to switch power supply treater by switch power supply power stage line, it is achieved communication between switch power supply treater and programmer and programming;
Step 3: the output rating of switch power supply, electric current and voltage are controlled by the switch power supply treater after programming according to set(ting)value.
Further, described step 1 specifically comprises:
Step 1.1: programmer treater controls controlled voltage source according to external setting-up value, makes controlled voltage source produce the voltage signal corresponding with set(ting)value;
Step 1.2: voltage signal is converted to electric current signal by resistance R0;
Described step 2 specifically comprises:
Step 2.1: switch power supply power stage line accepts electric current signal, and electric current signal is carried out every straight process;
Step 2.2: the electric current signal in current sampling circuit collection programming loop, and electric current signal is transformed into voltage pulse signal;
Step 2.3: the voltage pulse signal exported by current sampling circuit by signal treatment circuit carries out conversion process, forms the signal that can be used by switch power supply treater;
Step 2.4: switch power supply treater receives the signal information corresponding with set(ting)value, and information is stored in nonvolatile memory.
In order to improve communication and the efficiency of programming, step 2 also comprises step: while communication and programming, by the state of switch power supply treater monitoring communications and programming.
Taking above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff not deviateing in scope of the present utility model, can carry out various change and amendment completely. The content that the novel technical scope of this practicality is not limited on specification sheets, it is necessary to determine its technical scope according to right.
Claims (7)
1. one kind is passed through the system of the communication of switch power supply power stage line and programming, it is characterized in that: comprise switch power supply and programmer, described switch power supply comprises switch power supply power stage line, described switch power supply power stage line, both as the power stage circuit of switch power supply, is also the circuit communicating between switch power supply with programmer and programming simultaneously.
2. as claimed in claim 1 by the system of the communication of switch power supply power stage line and programming, it is characterized in that: also comprise the electric capacity C0 being arranged on switch power supply inside, current sampling circuit, signal treatment circuit, switch power supply treater and switching power source control circuit, described current sampling circuit, signal treatment circuit, switch power supply treater and switching power source control circuit are connected successively, described electric capacity C0 and current sampling circuit are serially connected on the output loop of switch power supply power stage line, and the coupling end ground connection of described electric capacity C0 and current sampling circuit, described switching power source control circuit is connected with described switch power supply power stage line,
Described programmer comprises programmer treater, controlled voltage source and resistance R0, described programmer treater is connected with described controlled voltage source, the output terminal in described controlled voltage source is connected with described switch power supply power stage line, and described resistance R0 is serially connected between the output terminal in described controlled voltage source and described switch power supply power stage line.
3. as claimed in claim 2 by the system of the communication of switch power supply power stage line and programming, it is characterized in that: described current sampling circuit comprises current transformer T, the first siding ring of described current transformer T is serially connected on the output loop of described switch power supply power stage line, and the second siding ring of described current transformer T is connected with signal treatment circuit.
4. as claimed in claim 3 by the system of the communication of switch power supply power stage line and programming, it is characterized in that: described signal treatment circuit comprises operational amplifier U1A, U1B, resistance R1, R2, R3, R4, R5, electric capacity C1 and biasing circuit, described electric capacity C1 one end connects the end of the same name of the second siding ring of described current transformer T, the other end connects the positive input of operational amplifier U1A, the positive input of described operational amplifier U1A is also connected with resistance R1 one end, the resistance R1 the other end is connected with the reverse input terminus of operational amplifier U1B, one end of resistance R2 and R3 is all connected with the reverse input terminus of operational amplifier U1A, the other end of resistance R2 is connected with the reverse input terminus of operational amplifier U1B, the other end of resistance R3 is connected with the output terminal OUTA of operational amplifier U1A, described resistance R4 is serially connected between the output terminal OUTA of operational amplifier U1A and the positive input of operational amplifier U1B, resistance R5 one end and operational amplifier U1B reverse input terminus be connected, the other end is connected with the output terminal OUTB of operational amplifier U1B, described biasing circuit output offset voltage SA is connected with the reverse input terminus of operational amplifier U1B.
5. as claimed in claim 4 by the system of the communication of switch power supply power stage line and programming, it is characterized in that: described biasing circuit comprises resistance R6 and R7, described resistance R6 and R7 is connected between power supply and ground, extraction voltage between described resistance R6 and R7 is biased voltage SA, and the different name end of the second siding ring of described current transformer T is connected with biased voltage SA.
6. as claimed in claim 2 by the system of the communication of switch power supply power stage line and programming, it is characterized in that: described programmer also comprises keyboard, liquid crystal and computer interface, described keyboard, liquid crystal and computer interface are all connected with described programmer treater.
7. as claimed in claim 2 by the system of the communication of switch power supply power stage line and programming, it is characterized in that: also comprise signal feedback circuit, described signal feedback circuit comprises resistance R8 and triode Q, the leading-out end of described resistance R0 and switch power supply power stage line is connected with one end of described resistance R8, the other end of described resistance R8 is connected with the collector electrode of triode Q, the base stage of described triode Q is connected with described switch power supply treater, the transmitting collection ground connection of described triode Q.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009933.3U CN205281218U (en) | 2015-12-08 | 2015-12-08 | System for through communication of switching power supply power output line and programming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009933.3U CN205281218U (en) | 2015-12-08 | 2015-12-08 | System for through communication of switching power supply power output line and programming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205281218U true CN205281218U (en) | 2016-06-01 |
Family
ID=56065776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521009933.3U Expired - Fee Related CN205281218U (en) | 2015-12-08 | 2015-12-08 | System for through communication of switching power supply power output line and programming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205281218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527916A (en) * | 2015-12-08 | 2016-04-27 | 常州艾朗电子科技有限公司 | System and method of communication and programming through switch power supply power output line |
-
2015
- 2015-12-08 CN CN201521009933.3U patent/CN205281218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527916A (en) * | 2015-12-08 | 2016-04-27 | 常州艾朗电子科技有限公司 | System and method of communication and programming through switch power supply power output line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203520081U (en) | Time-based synchronous multichannel data acquisition instrument | |
| CN205281218U (en) | System for through communication of switching power supply power output line and programming | |
| CN101581795B (en) | Data-collecting sub-station device of three-dimensional resistivity imaging system | |
| CN104299402B (en) | Infrared learning method using AD mode | |
| CN103605396A (en) | Converter output current processing circuit and converter output current processing method | |
| CN104868585A (en) | Silicon controlled rectifier switching circuit and power switching device based on silicon controlled rectifier switching circuit | |
| CN107991921A (en) | A kind of production equipment data acquisition facility, power circuit and production equipment | |
| CN201589810U (en) | Single-channel time-multiplexed sampling circuit | |
| CN206848452U (en) | A kind of circuit of multichannel power detecting system | |
| CN105527916A (en) | System and method of communication and programming through switch power supply power output line | |
| CN105242219A (en) | Method for automatically measuring DC voltage conversion efficiency | |
| CN104811082A (en) | Nanosecond rising edge type pulse power source | |
| CN204206213U (en) | A kind of HART communication modem that ring current is provided | |
| CN107196770A (en) | The system being powered by signal wire | |
| CN103067324B (en) | A kind of HART modulator-demodulator and data transmission method thereof | |
| CN207503216U (en) | MBUS communication switching circuits | |
| CN108631821A (en) | A kind of digital signal generation device and digital communication system | |
| CN207603889U (en) | The power amplifier power limitation device of variable impedance | |
| CN207251584U (en) | Service transacting intelligent management system based on block chain technology | |
| CN202886443U (en) | Voltage sampling circuit | |
| CN207458047U (en) | A kind of single line serial port feed enhancing circuit | |
| CN212646888U (en) | TVS test system based on TCP/IP communication | |
| CN204741434U (en) | Generator steady voltage control circuit | |
| CN205986623U (en) | Adjustable reference source chip of switching power supply , numerical control voltage source and numerical control | |
| CN205754094U (en) | A kind of intelligent digital excitation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190520 Address after: 213161 No. 158 Renmin East Road, Wujin national hi tech Industrial Development Zone, Changzhou, Jiangsu Patentee after: Changzhou Lai Control Electronic Technology Co., Ltd. Address before: 213161 158 East Renmin Road, hi tech Industrial Development Zone, Changzhou, Jiangsu Patentee before: CHANGZHOU AILANG ELECTRONIC TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |