CN214799000U - Charging circuit and device based on resonant controller - Google Patents
Charging circuit and device based on resonant controller Download PDFInfo
- Publication number
- CN214799000U CN214799000U CN202121280803.9U CN202121280803U CN214799000U CN 214799000 U CN214799000 U CN 214799000U CN 202121280803 U CN202121280803 U CN 202121280803U CN 214799000 U CN214799000 U CN 214799000U
- Authority
- CN
- China
- Prior art keywords
- module
- charging circuit
- rectifying
- resonant controller
- controller
- 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
Images
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a charging circuit and device based on resonance controller, the charging circuit based on resonance controller who sets up in the device casing has included the filtering module, leading rectifier module, the switch module, vary voltage rectifier module, direct current output numerical control module, power factor correction module and resonance controller, characteristic based on resonance controller, utilize resonance controller's outstanding transient performance and simplified compensation, realize low standby power under burst mode through resonance controller simultaneously, improve charging circuit's based on resonance controller reliability and efficiency, and be favorable to reducing the consumption based on resonance controller's charging circuit.
Description
Technical Field
The utility model relates to a power supply circuit technical field especially relates to a charging circuit and device based on resonance controller.
Background
With the increasing development of electronic products, various electronic products are in endless. Various electronic products generally need to be connected with a mains supply through a charger to obtain charging or power supply. The charging device is used for charging power batteries or energy storage batteries in the new energy field, such as agvs (automated Guided vehicles), RGVs (Rail Guided vehicles), robots, unmanned planes, unmanned boats and the like.
The LLC resonance half-bridge charging circuit is a common charger circuit. However, when the LLC is in light load or no-load, the output voltage of the LLC resonant half-bridge charging circuit is unstable, and the conversion efficiency is low, and when the dynamic output characteristics of the charger are encountered, the transient response lag of the LLC resonant half-bridge charging circuit easily causes the charger to have many disadvantages of poor reliability, high no-load power consumption, low efficiency, and the like.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a charging circuit and a device based on a resonant controller, which are used for solving the problems that when the LLC resonant half-bridge charging circuit is in light load or no-load, the output voltage is unstable, the conversion efficiency is low, and when the dynamic output characteristics of the charger are encountered, the transient response lag of the LLC resonant half-bridge charging circuit easily causes the charger to have the defects of poor reliability, high no-load power consumption, low efficiency and the like.
A resonant controller based charging circuit comprising:
the filtering module is used for accessing alternating current;
the preposed rectifying module is connected with the filtering module;
the switch module is connected with the front rectifying module;
the voltage transformation rectifying module is connected with the switch module;
the direct current output numerical control module is connected with the voltage transformation rectifying module and is used for outputting direct current and control signals;
the power factor correction module is used for outputting a driving signal to the preposed rectifying module and adjusting the rectifying process of the preposed rectifying module;
and the resonance controller is used for adjusting the driving signal and the switch module according to the control signal of the direct current output numerical control module.
Foretell charging circuit based on resonant controller, including filter module, leading rectifier module, switch module, vary voltage rectifier module, direct current output numerical control module, power factor correction module and resonant controller, based on resonant controller's characteristic, utilize resonant controller's outstanding transient behavior and simplify the compensation, realize low standby power under burst mode through resonant controller simultaneously, improve charging circuit's based on resonant controller reliability and efficiency, and be favorable to reducing resonant controller's charging circuit's consumption.
In one embodiment, the resonant controller comprises a UCC256304 resonant controller.
In one embodiment, the power factor correction module includes an NCP1654 power factor controller.
In one embodiment, the filtering module comprises a low pass filter.
In one embodiment, the pre-rectifying module comprises a power frequency rectifying unit.
In one embodiment, the switching module comprises half-bridge switching cells.
In one embodiment, the half-bridge switching unit comprises a gallium nitride MOS tube.
In one embodiment, the transformer rectifier module comprises:
the high-frequency voltage transformation unit is connected with the switch module;
and the high-frequency rectifying unit is respectively connected with the high-frequency voltage transformation unit and the direct-current output numerical control module.
In one embodiment, the dc output numerical control module includes:
the electric acquisition unit is used for acquiring direct current and generating an acquisition signal;
and the microprocessor is connected with the electric acquisition unit and used for outputting a control signal according to the acquisition signal.
A charging device based on a resonant controller comprises a device shell, an alternating current interface, a direct current interface and a charging circuit based on the resonant controller, wherein the charging circuit is arranged in the inner space of the device shell;
wherein, the charging circuit based on resonance controller includes:
the filtering module is used for accessing alternating current through an alternating current interface;
the preposed rectifying module is connected with the filtering module;
the switch module is connected with the front rectifying module;
the voltage transformation rectifying module is connected with the switch module;
the direct current output numerical control module is connected with the voltage transformation rectifying module and is used for outputting a control signal and outputting direct current through a direct current interface;
the power factor correction module is used for outputting a driving signal to the preposed rectifying module and adjusting the rectifying process of the preposed rectifying module;
and the resonance controller is used for adjusting the driving signal and the switch module according to the control signal of the direct current output numerical control module.
Foretell charging device based on resonance controller, the charging circuit based on resonance controller who sets up in the device casing has included the filtering module, leading rectifier module, the switch module, vary voltage rectifier module, direct current output numerical control module, power factor correction module and resonance controller, based on resonance controller's characteristic, utilize resonance controller's outstanding transient behavior and simplified compensation, realize low standby power under burst mode through resonance controller simultaneously, improve charging circuit's based on resonance controller reliability and efficiency, and be favorable to reducing the consumption of charging circuit based on resonance controller.
Drawings
FIG. 1 is a block diagram of a charging circuit based on a resonant controller according to an embodiment;
FIG. 2 is a block diagram of another embodiment of a charging circuit based on a resonant controller;
fig. 3 is a block diagram of a charging device based on a resonant controller according to an embodiment.
Detailed Description
For better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be noted that the following examples are only for explaining the present invention and are not intended to limit the present invention.
The embodiment of the utility model provides a charging circuit based on resonant controller 106 is provided.
Fig. 1 is a block diagram of a charging circuit based on a resonant controller 106 according to an embodiment, and as shown in fig. 1, the charging circuit based on the resonant controller 106 according to an embodiment includes a filtering module 100, a pre-rectifying module 101, a switching module 102, a transforming and rectifying module 103, a dc output numerical control module 104, a power factor correction module 105, and a resonant controller 106:
the filtering module 100 is used for accessing alternating current;
the filtering module 100 is used for receiving an alternating current, such as a commercial power, and providing a basic power supply for a charging circuit based on the resonant controller 106. In one embodiment, the filtering module 100 includes a low pass filter to implement a charging circuit based on the resonant controller 106 for LLC resonance.
The front rectifying module 101 is connected with the filtering module 100;
the forward rectifying module 101 is connected to the filtering module 100, receives the ac power filtered by the filtering module 100, performs forward rectification, and converts the ac power into dc power, which is used as a basis for supplying dc power to the charging circuit based on the resonant controller 106. In one embodiment, the pre-rectifying module 101 includes a power frequency rectifying unit for performing power frequency rectification on the ac power output by the filtering module 100, so as to satisfy the industrial or daily use basis of the charging circuit based on the resonant controller 106.
The switch module 102 is connected with the front rectifying module 101;
the switching module 102 performs push-pull output on the direct current rectified by the front-end rectifying module 101 through the cooperation of a plurality of switching devices. In one embodiment, the switch module 102 includes half-bridge switch units, and the half-bridge charging circuit push-pull based on the resonant controller 106 is implemented by the half-bridge switch units. As a preferred embodiment, the half-bridge switching unit includes a gan MOS transistor, i.e., the switching device in the switching module 102 is composed of a gan MOS transistor. Through the selection of the gallium nitride MOS tube, the volume of the charging circuit based on the resonant controller 106 is reduced and the response of the charging circuit based on the resonant controller 106 is improved.
The voltage transformation rectifying module 103 is connected with the switch module 102;
the transformation and rectification module 103 is connected to the switch module 102, receives the push-pull output of the switch module 102, transforms the direct current output by the push-pull output, performs secondary rectification on the direct current output by the push-pull output, and changes the magnitude of the direct current voltage output by the push-pull output of the switch module 102 to meet the direct current power supply requirement of the charging circuit based on the resonant controller 106.
In one embodiment, fig. 2 is a block diagram of a charging circuit based on a resonant controller 106 according to another embodiment, and as shown in fig. 2, the transformer rectifier module 103 includes:
a high-frequency transforming unit 200 connected to the switch module 102;
and the high-frequency rectifying unit 201 is respectively connected with the high-frequency transforming unit 200 and the direct-current output numerical control module 104.
The high-frequency transforming unit 200 receives the push-pull output of the switching module 102, and performs a high-frequency transforming process on the direct current of the push-pull output, and further performs a secondary high-frequency rectification by the high-frequency rectifying unit 201 to construct an LLC resonant charging circuit based on the resonant controller 106.
The direct current output numerical control module 104 is connected with the voltage transformation rectifying module 103 and is used for outputting direct current and control signals;
the dc output numerical control module 104 outputs the output of the transformer rectifier module 103 as a final dc power supply output, monitors the dc power supply output, and performs a corresponding feedback adjustment.
In one embodiment, as shown in fig. 2, the dc output numerical control module 104 includes:
the electric acquisition unit 300 is used for acquiring direct current and generating an acquisition signal;
and the microprocessor 301 is connected with the electric acquisition unit 300 and used for outputting a control signal according to the acquisition signal.
The voltage acquisition chip or the current acquisition chip can be selected by the electricity acquisition unit 300 to acquire the direct current output of the direct current output numerical control module 104 and generate an acquisition signal.
The microprocessor 301 is connected to the electrical acquisition unit, and receives the acquired signal to perform corresponding data processing, to obtain a control signal, and outputs the control signal to the resonance controller 106. In one embodiment, the microprocessor 301 comprises a single chip or FPGA.
The power factor correction module 105 is configured to output a driving signal to the forward rectifying module 101, and adjust a rectifying process of the forward rectifying module 101;
the pfc module 105 outputs a driving signal to the forward rectifying module 101 to adjust a rectifying process of the forward rectifying module 101; the PFC module 105 controls the rectification of the pre-rectification module 101 through the PFC driving signal. In one embodiment, the power factor correction module 105 includes an NCP1654 power factor controller.
And the resonance controller 106 is used for adjusting the driving signal and the switch module 102 according to the control signal of the direct current output numerical control module 104.
The resonant controller 106 serves as a control core and adjusts the driving signal and the switch module 102 respectively to adjust the rectification of the pre-rectification module 101 and the push-pull output of the switch module 102. In one embodiment, the resonant controller 106 comprises a UCC256304 resonant controller 106. The UCC256304 resonance controller 106 can automatically switch to a light-load burst mode when the output power is obviously low in the stage of outputting low-voltage constant current and constant-voltage current reduction, the LLC equivalent load circuit level is a programmable value during the burst mode starting period, and the blank period between two bursts is terminated by a secondary voltage regulator loop based on the FB pin voltage. During burst mode, the resonant capacitor voltage is monitored to fully optimize the first and last burst pulse widths in time, which results in a UCC 256304-based charging circuit with higher light-load efficiency and lower no-load power consumption.
In one embodiment, UCC256304 integrates a high voltage JFET, enabling the power supply voltage at the input of the charging circuit to start regulating its output voltage within 1 second of the voltage at the input of the PFC stage, and UCC256304 provides starting power for the LLC and PFC without a separate power supply to power the LLC and PFC. After the operation is started, the JFET is closed to limit the power loss in the UCC256304 package, and meanwhile, the independent power supply of a chip is cancelled, so that the standby power consumption of an oil polar region of the UCC256304LLC half-bridge charger is-75 mw-150 mw.
The charging circuit based on the resonant controller 106 according to any of the embodiments described above includes the filtering module 100, the pre-rectifying module 101, the switching module 102, the voltage transformation rectifying module 103, the dc output numerical control module 104, the power factor correction module 105, and the resonant controller 106, and based on the characteristics of the resonant controller 106, the excellent transient performance and simplified compensation of the resonant controller 106 are utilized, and meanwhile, the low standby power in the burst mode is realized by the resonant controller 106, so that the reliability and efficiency of the charging circuit based on the resonant controller 106 are improved, and the power consumption of the charging circuit based on the resonant controller 106 is reduced.
The embodiment of the utility model provides a charging device based on resonant controller 106.
Fig. 3 is a block diagram of an embodiment of a charging device based on a resonant controller 106, and as shown in fig. 3, the embodiment of the charging device based on a resonant controller 106 includes a device housing 1000, an ac power interface 1001, a dc power interface 1002, and a charging circuit based on a resonant controller 106 disposed in an inner space of the device housing 1000;
wherein, the charging circuit based on the resonant controller 106 includes:
the filtering module 100 is used for accessing alternating current through an alternating current interface 1001;
the front rectifying module 101 is connected with the filtering module 100;
the switch module 102 is connected with the front rectifying module 101;
the voltage transformation rectifying module 103 is connected with the switch module 102;
the direct current output numerical control module 104 is connected with the voltage transformation rectifying module 103 and is used for outputting a control signal and outputting direct current through a direct current electrical interface 1002;
the power factor correction module 105 is configured to output a driving signal to the forward rectifying module 101, and adjust a rectifying process of the forward rectifying module 101;
and the resonance controller 106 is used for adjusting the driving signal and the switch module 102 according to the control signal of the direct current output numerical control module 104.
In one embodiment, ac interface 1001 includes a plug, a terminal, or a clamp to facilitate the introduction of external ac mains into filtering module 100.
In one embodiment, the dc interface 1002 includes a socket, a connection terminal, a USB charging interface, etc. for outputting dc power to an external device to be powered.
The charging device based on the resonant controller 106 comprises the filter module 100, the pre-rectification module 101, the switch module 102, the transformer rectification module 103, the dc output numerical control module 104, the power factor correction module 105 and the resonant controller 106, and based on the characteristics of the resonant controller 106, the excellent transient performance and simplified compensation of the resonant controller 106 are utilized, and meanwhile, the low standby power in the burst mode is realized through the resonant controller 106, so that the reliability and efficiency of the charging circuit based on the resonant controller 106 are improved, and the power consumption of the charging circuit based on the resonant controller 106 is favorably reduced.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A resonant controller based charging circuit, comprising:
the filtering module is used for accessing alternating current;
the preposed rectifying module is connected with the filtering module;
the switch module is connected with the preposed rectifying module;
the voltage transformation rectifying module is connected with the switch module;
the direct current output numerical control module is connected with the voltage transformation rectifying module and is used for outputting direct current and control signals;
the power factor correction module is used for outputting a driving signal to the preposed rectifying module and adjusting the rectifying process of the preposed rectifying module;
and the resonance controller is used for adjusting the driving signal and the switch module according to the control signal of the direct current output numerical control module.
2. The resonant controller-based charging circuit of claim 1, wherein the resonant controller comprises a UCC256304 resonant controller.
3. The resonant controller-based charging circuit of claim 1, wherein the power factor correction module comprises an NCP1654 power factor controller.
4. The resonant controller-based charging circuit of claim 1, wherein the filtering module comprises a low pass filter.
5. The resonant controller-based charging circuit of claim 1, wherein the pre-rectifying module comprises a power frequency rectifying unit.
6. The resonant controller-based charging circuit of claim 1, wherein the switching module comprises a half-bridge switching cell.
7. The resonant controller-based charging circuit of claim 6, wherein the half-bridge switching cells comprise gallium nitride MOS transistors.
8. The resonant controller-based charging circuit of claim 1, wherein the transformer rectifier module comprises:
the high-frequency voltage transformation unit is connected with the switch module;
and the high-frequency rectifying unit is respectively connected with the high-frequency voltage transformation unit and the direct-current output numerical control module.
9. The resonant controller-based charging circuit of claim 1, wherein the dc output digital control module comprises:
the electric acquisition unit is used for acquiring the direct current to generate an acquisition signal;
and the microprocessor is connected with the electric acquisition unit and used for outputting the control signal according to the acquisition signal.
10. The charging device based on the resonant controller is characterized by comprising a device shell, an alternating current interface, a direct current interface and a charging circuit based on the resonant controller, wherein the charging circuit is arranged in the inner space of the device shell;
wherein the resonant controller based charging circuit comprises:
the filtering module is used for accessing alternating current through the alternating current interface;
the preposed rectifying module is connected with the filtering module;
the switch module is connected with the preposed rectifying module;
the voltage transformation rectifying module is connected with the switch module;
the direct current output numerical control module is connected with the voltage transformation rectifying module and is used for outputting a control signal and outputting direct current through the direct current interface;
the power factor correction module is used for outputting a driving signal to the preposed rectifying module and adjusting the rectifying process of the preposed rectifying module;
and the resonance controller is used for adjusting the driving signal and the switch module according to the control signal of the direct current output numerical control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121280803.9U CN214799000U (en) | 2021-06-09 | 2021-06-09 | Charging circuit and device based on resonant controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121280803.9U CN214799000U (en) | 2021-06-09 | 2021-06-09 | Charging circuit and device based on resonant controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214799000U true CN214799000U (en) | 2021-11-19 |
Family
ID=78702097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121280803.9U Active CN214799000U (en) | 2021-06-09 | 2021-06-09 | Charging circuit and device based on resonant controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214799000U (en) |
-
2021
- 2021-06-09 CN CN202121280803.9U patent/CN214799000U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3285361B1 (en) | Terminal charging system, charging method, and power adapter | |
| CN102904448B (en) | Control chip of switch power supply and switch power supply | |
| CN107750425A (en) | For the charging system of terminal, charging method and power supply adaptor, Switching Power Supply | |
| CN110970957A (en) | Wireless charging method, electronic equipment, wireless charging device and wireless charging system | |
| CN111740509A (en) | Wireless charging method and system based on voltage regulation control | |
| US20230283185A1 (en) | Power source supplying apparatus, circuit control method, and power supply system | |
| Chang et al. | An isolated output-feedback scheme with minimized standby power for SMPS | |
| CN217445025U (en) | Alternating current-direct current hybrid power supply based on lithium battery | |
| CN100401616C (en) | Plower supply managing circuit for battery power supply device | |
| CN106300698A (en) | Radio energy transmission system and wireless power transmission control method | |
| WO2018082348A1 (en) | Charger and charging method | |
| CN214799000U (en) | Charging circuit and device based on resonant controller | |
| CN210669601U (en) | Battery charging circuit | |
| CN219268738U (en) | Synchronous rectification control chip, switching power supply and charging equipment | |
| US20230170783A1 (en) | Power supply device, circuit control method, and power supply system | |
| CN217692701U (en) | Charging circuit and energy storage equipment | |
| CN211405872U (en) | Rectification system based on GaN power device | |
| CN112034239A (en) | Integrated high-voltage line current monitoring and temperature monitoring device | |
| CN108263240B (en) | Vehicle-mounted charging device of electric automobile and charging method thereof | |
| CN212210576U (en) | Power supply circuit of low-power-consumption storage battery charger | |
| CN107302314B (en) | Power supply change-over device and the method for preventing power supply change-over device from shutting down extremely | |
| US20220311347A1 (en) | Power supply device and charging control method | |
| CN112737336B (en) | Voltage transformation module, charger, charging system and voltage transformation control method | |
| CN212033995U (en) | Intelligent integrated controller and power circuit with same | |
| CN212723066U (en) | Integrated high-voltage line current detection and temperature detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |