CN108695959B - Full-automatic wireless charging platform of cable tunnel inspection robot - Google Patents
Full-automatic wireless charging platform of cable tunnel inspection robot Download PDFInfo
- Publication number
- CN108695959B CN108695959B CN201810789742.5A CN201810789742A CN108695959B CN 108695959 B CN108695959 B CN 108695959B CN 201810789742 A CN201810789742 A CN 201810789742A CN 108695959 B CN108695959 B CN 108695959B
- Authority
- CN
- China
- Prior art keywords
- circuit
- inspection robot
- primary side
- side circuit
- secondary side
- 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.)
- Active
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 55
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims 2
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- H02J7/025—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Manipulator (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a full-automatic wireless charging platform of a cable tunnel line inspection robot, which comprises a primary side circuit, a secondary side circuit, a Bluetooth module and an indication light source; the Bluetooth module is respectively connected to the primary side circuit and the secondary side circuit, and can be automatically connected to the primary side circuit and/or the secondary side circuit when the distance between the Bluetooth module and the primary side circuit and/or the secondary side circuit reaches a threshold value, and an internal program of the line inspection robot is activated; the indication light source is connected with the primary side circuit; the primary side circuit comprises a rectifying circuit, a high-frequency inverter circuit, a primary side compensation network and a transmitting end coil which are connected in sequence; the secondary side circuit comprises a receiving end coil, a secondary side compensation network, a diode uncontrollable rectifying circuit and a DC-DC direct current voltage regulating circuit which are connected in sequence, and the DC-DC direct current voltage regulating circuit is connected with the inspection robot. The invention can greatly reduce the spark explosion risk possibly brought by wired charging in the cable tunnel, and can realize full-automatic uninterrupted line inspection of the line inspection robot.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a full-automatic wireless charging platform of a cable tunnel line inspection robot.
Background
With the development of economy and the progress of engineering level in China, the mileage of distribution lines and cable tunnels is continuously increased, and the requirements on safe and reliable power supply are also continuously improved. Patrol maintenance is carried out on the cable tunnel, so that the cable tunnel is a core measure for guaranteeing safe and reliable power supply. In addition, along with the proposal of the concept of the intelligent power grid, the realization of the intelligent and automatic operation of the power grid is a trend.
However, the line inspection of the existing cable tunnel is mainly dependent on manual work, the automation degree is low, the danger of line inspection is improved by the severe environment of the cable tunnel, the labor intensity of manual line inspection is high, the efficiency is low, and a large amount of manpower and material resources are wasted. Therefore, the application of the inspection robot in the cable tunnel becomes a better choice. At present, a line inspection robot which is developed and operates in a small scale adopts a charging method of wired charging, and the potential safety hazard is brought by sparks generated in the charging process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a full-automatic wireless charging platform for a cable tunnel line inspection robot, which is simple and practical in structural design, can greatly reduce the spark explosion risk possibly brought by wired charging in a cable tunnel, can realize full-automatic uninterrupted line inspection of the line inspection robot, and also achieves energy conservation and emission reduction, and has sustainability and popularization.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: a full-automatic wireless charging platform of a cable tunnel line inspection robot comprises a primary side circuit, a secondary side circuit, a Bluetooth module and an indication light source; the Bluetooth module is respectively connected to the primary side circuit and the secondary side circuit, and can be automatically connected to the primary side circuit and/or the secondary side circuit when the distance between the Bluetooth module and the primary side circuit and/or the secondary side circuit reaches a threshold value, and an internal program of the line inspection robot is activated; the indication light source is connected with the primary side circuit; the primary side circuit comprises a rectifying circuit, a high-frequency inverter circuit, a primary side compensation network and a transmitting end coil which are connected in sequence; the secondary side circuit comprises a receiving end coil, a secondary side compensation network, a diode uncontrollable rectifying circuit and a DC-DC direct current voltage regulating circuit which are connected in sequence, and the DC-DC direct current voltage regulating circuit is connected with the inspection robot;
220V alternating current mains supply is connected into a rectifying circuit, alternating current is changed into direct current capable of performing high-frequency inversion, and filtering voltage stabilization is performed on the direct current through a capacitor; the direct current is converted into high-frequency alternating current through a high-frequency inverter circuit, wherein the frequency of the high-frequency inverter circuit is determined by a control circuit of the high-frequency inverter circuit, a driving chip of the high-frequency inverter circuit is used for converting a control circuit small signal into a control signal which can be used by a MOSFET (metal oxide semiconductor) tube, then the high-frequency alternating current transmits electric energy to a secondary side circuit through resonance between a primary side compensation network and a transmitting end coil, the receiving end coil and the secondary side compensation network receive alternating current with the same frequency through resonance, the alternating current is converted into direct current with adjustable voltage through a diode uncontrollable rectifying circuit, filtering and voltage stabilization are carried out through a capacitor filter circuit, and finally the direct current is regulated into direct current which can directly charge a line inspection robot through a DC-DC voltage regulating circuit, so as to supply power to the line inspection robot;
when the electric quantity of the line inspection robot is lower than a set value, a positioning function is started, a primary side circuit informs a terminal through WIFI, the terminal starts an indication light source after receiving an instruction, and meanwhile, a Bluetooth module beside the primary side circuit is started to search for pairing; at this moment, the inspection robot starts searching and identifying the light source from the camera in the area, starts the bluetooth module beside the secondary side circuit after the recognition and pairs, after the bluetooth module of primary side circuit and secondary side circuit pairs successfully, starts inspection robot internal program, guarantees that inspection robot can pinpoint charging under the charging platform, and after the charging, the robot continues to patrol the line to realize the full-automatic incessant inspection of inspection robot.
The rectification circuit is thyristor controllable rectification and comprises a main circuit, a choke inductor and a capacitor filter circuit; the choke inductor is connected with the main circuit in series, and the main circuit is connected with the capacitor filter circuit in parallel; the main circuit is composed of two groups of thyristors in parallel connection, and each group of thyristors is composed of two thyristors connected in series; one end of the rectifying circuit is connected with the mains supply, and the 220V alternating-current mains supply is converted into direct current which can be used for high-frequency inversion.
The high-frequency inverter circuit comprises a main circuit, a driving chip and a control circuit; the main circuit comprises a MOSFET and a capacitor which are connected in parallel; the control circuit is connected with the G pole of the MOSFET after being connected with the driving chip in series, and the driving chip amplifies signals to control the MOSFET.
The primary side compensation network and the secondary side compensation network comprise a resonance capacitor and a current limiting resistor which are connected in series.
The diode uncontrollable rectifying circuit comprises a main circuit and a capacitance filter circuit which are connected in parallel, wherein the main circuit is formed by connecting two groups of Schottky diodes in parallel, and each group of Schottky diodes is formed by connecting two Schottky diodes in series.
The DC-DC direct current voltage regulating circuit comprises a main circuit, a driving chip, a control circuit and a capacitance filter circuit; the main circuit comprises a MOSFET, a diode and an inductor, wherein the MOSFET is connected with the inductor in series and connected with the diode in parallel; the control circuit is connected with the G electrode of the MOSFET after being connected with the driving chip in series, and the driving chip amplifies signals to control the MOSFET; one end of the capacitor filter circuit is connected with the main circuit in parallel, and the other end of the capacitor filter circuit is connected with the line inspection robot to supply power to the robot.
Compared with the prior art, the invention has the following advantages and beneficial effects:
on the basis of not increasing the burden of a power grid, on one hand, a wireless charging mode is utilized, the spark explosion phenomenon possibly generated by wired charging is avoided, on the other hand, the full-automatic uninterrupted operation of the cable tunnel inspection robot can be realized, the power supply reliability is enhanced, and the energy conservation and the emission reduction are realized.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a schematic diagram of the connection of the primary side circuit and the secondary side circuit.
FIG. 3 is a flow chart of the operation of the system of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples.
As shown in fig. 1, the full-automatic wireless charging platform for the cable tunnel line inspection robot provided by the embodiment comprises a primary side circuit 1, a secondary side circuit 2, a bluetooth module 3 and an indication light source 4; the Bluetooth module 3 is respectively connected to the primary side circuit 1 and the secondary side circuit 2, and when the distance between the Bluetooth module 3 and the primary side circuit 1 and/or the secondary side circuit 2 reaches a threshold value, the Bluetooth module can be automatically connected to activate an internal program of the line inspection robot 5; the indication light source 4 is connected with the primary side circuit 1.
As shown in fig. 2, the primary side circuit 1 includes a rectifying circuit 11, a high-frequency inverter circuit 12, a primary side compensation network 13, and a transmitting end coil 14, which are sequentially connected; the secondary side circuit 2 comprises a receiving end coil 21, a secondary side compensation network 22, a diode uncontrollable rectifying circuit 23 and a DC-DC direct current voltage regulating circuit 24 which are connected in sequence, and the DC-DC direct current voltage regulating circuit 24 is connected with the inspection robot 5.
The rectifying circuit 11 is thyristor controllable rectification and comprises a main circuit, a choke inductor and a capacitor filter circuit; the choke inductor is connected with the main circuit in series, and the main circuit is connected with the capacitor filter circuit in parallel; the main circuit is composed of two groups of thyristors in parallel connection, and each group of thyristors is composed of two thyristors connected in series; one end of the rectifying circuit is connected with the mains supply, and the 220V alternating-current mains supply is converted into direct current which can be used for high-frequency inversion.
The high-frequency inverter circuit 12 includes a main circuit, a driving chip, and a control circuit; the main circuit comprises a MOSFET and a capacitor which are connected in parallel; the control circuit is connected with the G pole of the MOSFET after being connected with the driving chip in series, and the driving chip amplifies signals to control the MOSFET.
The primary side compensation network 13 and the secondary side compensation network 22 each include a resonant capacitor and a current limiting resistor in series.
The diode uncontrollable rectifying circuit 23 comprises a main circuit and a capacitance filter circuit which are connected in parallel; the main circuit is composed of two groups of Schottky diodes connected in parallel, and each group of Schottky diodes is composed of two Schottky diodes connected in series.
The DC-DC direct current voltage regulating circuit 24 comprises a main circuit, a driving chip, a control circuit and a capacitance filter circuit; the main circuit comprises a MOSFET, a diode and an inductor; the MOSFET is connected with the inductor in series and connected with the diode in parallel; the control circuit is connected with the G electrode of the MOSFET after being connected with the driving chip in series, and the driving chip amplifies signals to control the MOSFET; one end of the capacitor filter circuit is connected with the main circuit in parallel, and the other end of the capacitor filter circuit is connected with the line inspection robot to supply power to the robot.
As shown in fig. 2, 220V ac mains supply is connected to a rectifying circuit to convert ac power into dc power capable of high-frequency inversion, and the dc power is filtered and stabilized by a capacitor; the direct current is converted into high-frequency alternating current through a high-frequency inverter circuit, wherein the frequency of the high-frequency inverter circuit is determined by a control circuit of the high-frequency inverter circuit, a driving chip of the high-frequency inverter circuit is used for converting a control circuit small signal into a control signal which can be used by a MOSFET (metal oxide semiconductor) tube, then the high-frequency alternating current transmits electric energy to a secondary side circuit through resonance between a primary side compensation network and a transmitting end coil, the receiving end coil and the secondary side compensation network receive alternating current with the same frequency through resonance, the alternating current is converted into direct current with adjustable voltage through a diode uncontrollable rectifying circuit, filtering and voltage stabilization are carried out through a capacitor filter circuit, and finally the direct current is regulated into direct current which can directly charge a line inspection robot through a DC-DC voltage regulating circuit, so as to supply power to the line inspection robot;
as shown in fig. 3, when the electric quantity of the inspection robot is less than 15%, a positioning function is started, a primary side circuit informs a terminal through WIFI, the terminal starts an indication light source after receiving an instruction, and meanwhile, a bluetooth module beside the primary side circuit is started to search for pairing; at this moment, the inspection robot starts searching and identifying the light source from the camera in the area, starts the bluetooth module beside the secondary side circuit after the recognition and pairs, after the bluetooth module of primary side circuit and secondary side circuit pairs successfully, starts inspection robot internal program, guarantees that inspection robot can pinpoint charging under the charging platform, and after the charging, the robot continues to patrol the line to realize the full-automatic incessant inspection of inspection robot.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so variations in shape and principles of the present invention should be covered.
Claims (3)
1. A full-automatic wireless charging platform of cable tunnel inspection robot, its characterized in that: the Bluetooth module comprises a primary side circuit, a secondary side circuit, a Bluetooth module and an indication light source; the Bluetooth module is respectively connected to the primary side circuit and the secondary side circuit, and can be automatically connected to the primary side circuit and/or the secondary side circuit when the distance between the Bluetooth module and the primary side circuit and/or the secondary side circuit reaches a threshold value, and an internal program of the line inspection robot is activated; the indication light source is connected with the primary side circuit; the primary side circuit comprises a rectifying circuit, a high-frequency inverter circuit, a primary side compensation network and a transmitting end coil which are connected in sequence; the secondary side circuit comprises a receiving end coil, a secondary side compensation network, a diode uncontrollable rectifying circuit and a DC-DC direct current voltage regulating circuit which are connected in sequence, and the DC-DC direct current voltage regulating circuit is connected with the inspection robot;
the rectifying circuit is a thyristor controllable rectifying circuit and comprises a first main circuit, a choke inductor and a first capacitance filter circuit; the choke inductor is connected with the first main circuit in series, and the first main circuit is connected with the first capacitance filter circuit in parallel; the first main circuit is formed by connecting two groups of thyristors in parallel, and each group of thyristors is formed by connecting two thyristors in series; one end of the rectifying circuit is connected with mains supply to convert 220V alternating current mains supply into direct current which can be used for high-frequency inversion;
the high-frequency inverter circuit comprises a second main circuit, a first driving chip and a first control circuit; the second main circuit comprises a MOSFET and a capacitor which are connected in parallel; the first control circuit is connected with the G pole of the MOSFET after being connected with the first driving chip in series, and the first driving chip amplifies signals to control the MOSFET;
the diode uncontrollable rectifying circuit comprises a third main circuit and a second capacitance filtering circuit which are connected in parallel, wherein the third main circuit is formed by connecting two groups of Schottky diodes in parallel, and each group of Schottky diodes is formed by connecting two Schottky diodes in series;
the 220V alternating current commercial power is connected into a rectifying circuit, alternating current is changed into direct current capable of performing high-frequency inversion, and filtering and voltage stabilization are performed on the direct current through a first capacitance filtering circuit; the direct current is converted into high-frequency alternating current through a high-frequency inverter circuit, wherein the frequency of the high-frequency inverter circuit is determined by a first control circuit, a first driving chip is used for converting a first control circuit small signal into a control signal which can be used by a MOSFET (metal-oxide-semiconductor field effect transistor), then the high-frequency alternating current is transmitted to a secondary side circuit through resonance between a primary side compensation network and a transmitting end coil, the receiving end coil and the secondary side compensation network receive alternating current with the same frequency through resonance, the alternating current is converted into direct current with adjustable voltage through a diode uncontrollable rectifying circuit, the direct current is filtered and stabilized by a second capacitor filtering circuit, and finally the voltage of the direct current is regulated into direct current which can be directly used for charging a line inspection robot through a DC-DC (direct current) voltage regulating circuit, so as to supply power for the line inspection robot;
when the electric quantity of the line inspection robot is lower than a set value, a positioning function is started, a primary side circuit informs a terminal through WIFI, the terminal starts an indication light source after receiving an instruction, and meanwhile, a Bluetooth module beside the primary side circuit is started to search for pairing; at this moment, the inspection robot starts searching and identifying the light source from the camera in the area, starts the bluetooth module beside the secondary side circuit after the recognition and pairs, after the bluetooth module of primary side circuit and secondary side circuit pairs successfully, starts inspection robot internal program, guarantees that inspection robot can pinpoint charging under the charging platform, and after the charging, the robot continues to patrol the line to realize the full-automatic incessant inspection of inspection robot.
2. The fully automatic wireless charging platform for a cable tunnel inspection robot according to claim 1, wherein: the primary side compensation network and the secondary side compensation network comprise a resonance capacitor and a current limiting resistor which are connected in series.
3. The fully automatic wireless charging platform for a cable tunnel inspection robot according to claim 1, wherein: the DC-DC direct current voltage regulating circuit comprises a fourth main circuit, a second driving chip, a second control circuit and a third capacitance filter circuit; the fourth main circuit comprises a MOSFET (metal-oxide-semiconductor field effect transistor), a diode and an inductor, wherein the MOSFET is connected with the inductor in series and connected with the diode in parallel; the second control circuit is connected with the G pole of the MOSFET after being connected with the second driving chip in series, and the second driving chip amplifies signals to control the MOSFET; one end of the third capacitor filter circuit is connected with the fourth main circuit in parallel, and the other end of the third capacitor filter circuit is connected with the line inspection robot to supply power to the robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789742.5A CN108695959B (en) | 2018-07-18 | 2018-07-18 | Full-automatic wireless charging platform of cable tunnel inspection robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789742.5A CN108695959B (en) | 2018-07-18 | 2018-07-18 | Full-automatic wireless charging platform of cable tunnel inspection robot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108695959A CN108695959A (en) | 2018-10-23 |
| CN108695959B true CN108695959B (en) | 2023-06-20 |
Family
ID=63851596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810789742.5A Active CN108695959B (en) | 2018-07-18 | 2018-07-18 | Full-automatic wireless charging platform of cable tunnel inspection robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108695959B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445228A (en) * | 2019-07-09 | 2019-11-12 | 中国电力科学研究院有限公司 | Guide rail type movable robot wireless charging device |
| CN112466237A (en) * | 2020-11-17 | 2021-03-09 | 京东方科技集团股份有限公司 | Rotary display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811311A (en) * | 2016-05-18 | 2016-07-27 | 三峡大学 | Guide rail system used for inspection robot for power transmission line with functions of charging inspection robot and enabling inspection robot to pass through tower |
| CN107742908A (en) * | 2017-10-31 | 2018-02-27 | 成都意町工业产品设计有限公司 | A kind of power transmission line crusing robot wireless charging system based on Self Matching |
-
2018
- 2018-07-18 CN CN201810789742.5A patent/CN108695959B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811311A (en) * | 2016-05-18 | 2016-07-27 | 三峡大学 | Guide rail system used for inspection robot for power transmission line with functions of charging inspection robot and enabling inspection robot to pass through tower |
| CN107742908A (en) * | 2017-10-31 | 2018-02-27 | 成都意町工业产品设计有限公司 | A kind of power transmission line crusing robot wireless charging system based on Self Matching |
Non-Patent Citations (2)
| Title |
|---|
| 一种无线充电识别电路的设计;黄创大;唐宁;李荣毅;;桂林电子科技大学学报(第01期);全文 * |
| 双LCCL谐振网络补偿无人机无线充电系统;钟文琦;付宇;王荣;;自动化与仪表(第07期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108695959A (en) | 2018-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107618388B (en) | Wireless charging system of electric automobile | |
| CN102754531B (en) | Led driving power supply circuit, driving power supply and lighting device | |
| CN204131392U (en) | Boost power factor correction conversion circuit and control circuit thereof | |
| CN101765290A (en) | High-voltage generator used for X-ray machine and control method thereof | |
| CN108695959B (en) | Full-automatic wireless charging platform of cable tunnel inspection robot | |
| CN208384086U (en) | A kind of battery analogue circuit and vehicle BMS analogue unit | |
| CN110635545A (en) | Device and method for realizing constant-current constant-voltage wireless charging based on single-tube circuit | |
| CN103856086B (en) | A kind of current transformer power taking control method and system | |
| CN104967195A (en) | Electric automobile charging system achieving intelligent frequency conversion control | |
| CN110544975A (en) | single-tube constant-current constant-voltage wireless charging device and control method thereof | |
| CN110611359A (en) | Device and method for realizing single-tube inversion constant-current constant-voltage wireless charging through secondary compensation network switching | |
| CN113746214A (en) | Power supply circuit for three-core cable thermal state online monitoring system | |
| CN208849531U (en) | A kind of cable tunnel inspection robot full-automatic wireless charging platform | |
| CN209182431U (en) | A kind of insulating tool pressure tester | |
| CN206850503U (en) | A kind of efficient wireless charging device of low-voltage and high-current for AGV | |
| CN107069910A (en) | A kind of unmanned plane of utilization high-voltage line charging | |
| CN106685033A (en) | Electric bicycle wireless charging system | |
| CN203481901U (en) | Zero-load low-loss battery charging circuit | |
| CN103220837B (en) | A kind of LED continuous illumination device | |
| CN204928321U (en) | Wireless charging circuit based on electromagnetism resonance | |
| CN106385092A (en) | Robot intelligent charging system | |
| CN115250011A (en) | Single-tube P-CLC variable-frequency switching constant-current constant-voltage wireless charging device and method | |
| CN203645385U (en) | Charging device | |
| CN110696672B (en) | System for realizing rapid charging of power battery | |
| CN112332505A (en) | Single-tube inversion constant-current and constant-voltage wireless charging device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |