CN215071724U - Power supply control circuit and power supply control device - Google Patents
Power supply control circuit and power supply control device Download PDFInfo
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- CN215071724U CN215071724U CN202121181563.7U CN202121181563U CN215071724U CN 215071724 U CN215071724 U CN 215071724U CN 202121181563 U CN202121181563 U CN 202121181563U CN 215071724 U CN215071724 U CN 215071724U
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Abstract
The utility model provides a power control circuit and power control device, power control circuit include processing module, communication module, current control module and battery, wherein: the input end of the processing module is in communication connection with the electric equipment through the communication module, and the output end of the processing module is connected with the control end of the current control module; the output end of the current control module is connected with the power supply end of the electric equipment; the processing module is used for receiving the running state of the electric equipment through the communication module and sending a current adjusting signal determined based on the running state to the current control module; and the current control module is used for controlling the current of the electric equipment according to the received current regulation signal. The operation information of the electric equipment is received through the communication module, so that the power supply control circuit can adjust the current input to the battery according to the operation information and the current output to the electric equipment from the battery, and the cruising ability of the battery and the service life of the power supply control device can be prolonged.
Description
Technical Field
The utility model relates to an equipment technical field that charges especially relates to a power control circuit and power control device.
Background
The existing power supply control device usually only comprises three default running states of starting, shutting down and standby; when the power control device operates, the operation parameters of the battery are usually fixed and unchangeable, however, the requirements of the power control device on the electric energy are different according to the different contents of the power control device used by a user, if the requirements of the power control device on the electric energy are smaller, the battery still outputs larger electric energy, the cruising ability of the battery is reduced, and the service life of the power control device is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a power control circuit and power control device, aims at solving the unable problem of laminating use scene adjustment electric energy supply of the power control device among the prior art.
In order to achieve the above object, the present invention provides a power control circuit, which includes a processing module, a communication module and a current control module, wherein:
the input end of the processing module is in communication connection with the electric equipment through the communication module, and the output end of the processing module is connected with the control end of the current control module; the output end of the current control module is connected with the power supply end of the electric equipment;
the processing module is used for receiving the running state of the electric equipment through the communication module and sending a current adjusting signal determined based on the running state to the current control module;
and the current control module is used for controlling the current of the electric equipment according to the received current regulation signal.
Optionally, the communication module comprises a communication interface, wherein:
the communication interface is connected between the input end of the processing module and the electric equipment.
Optionally, the current control module includes a control chip, a control unit, a first capacitor, and a first resistor, wherein:
the first control end of the control unit is connected with the first output end of the processing module, the second control end of the control unit is connected with the second output end of the processing module, and the output end of the control unit is connected with the current setting end of the control chip;
the input end and the enabling end of the control chip are respectively connected with a power supply, the output end of the control chip is used as the output end of the current control module, the output end of the control chip is grounded through a first capacitor, and the overvoltage protection end of the control chip is connected with the power supply through a first resistor.
Optionally, the control unit comprises a second resistor, a first control subunit and a second control subunit, wherein:
the control end of the first control subunit is connected with the first output end of the processing module, and the output end of the first control subunit is connected with the current setting end of the control chip;
the control end of the second control subunit is connected with the second output end of the processing module, and the output end is connected with the current setting end of the control chip:
the second resistor is connected between the current setting end of the control chip and the ground.
Optionally, the control subunit includes a switching tube and a third resistor, wherein:
the control end of the switch tube is used as the control end of the control subunit, the input end of the switch tube is connected with the current setting end of the control chip through the third resistor, and the output end of the switch tube is grounded.
Optionally, the circuit further comprises a power management module, wherein:
the input end of the power management module is connected with the mains supply, and the output end of the power management module is used as a power supply.
Optionally, the power management module includes a power taking unit and a voltage reducing unit, wherein:
the input end of the electricity taking unit is connected with the mains supply, and the output end of the electricity taking unit is connected with the input end of the voltage reducing unit; and the output end of the voltage reduction unit is used as the output end of the power management module.
Optionally, the voltage dropping unit includes a voltage dropping chip, an inductor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor, and a fourth capacitor, where:
the input end of the voltage reduction chip is connected with the output end of the power taking unit, the input end of the voltage reduction chip is grounded through a second capacitor, and the input end of the voltage reduction chip is connected with the enabling end of the voltage reduction chip through a fourth resistor;
the output end of the voltage reduction chip is connected with the driving pin of the voltage reduction chip through a third capacitor, and the output end of the voltage reduction chip is also connected with the first end of the inductor;
the second end of the inductor is the output end of the voltage reduction chip, the second end of the inductor is connected with the feedback end of the voltage reduction chip through a fifth resistor, and the second end of the inductor is grounded through a fourth capacitor;
the feedback end of the voltage reduction chip is also grounded through a sixth resistor.
Optionally, the circuit further includes a temperature detection module, the temperature detection module includes a temperature sensitive resistor and a seventh resistor, wherein:
the first end of the seventh resistor is connected with the power supply, the second end of the seventh resistor is grounded through the temperature-sensitive resistor, and the second end of the seventh resistor is also connected with the temperature detection end of the processing module.
In addition, in order to achieve the above object, the present invention further provides a power control device, which includes an electric device and the above power control circuit.
The utility model provides a pair of power control circuit and power control device through set up communication module on power control circuit to receive consumer's operational information through communication module, make power control circuit can adjust the electric current of inputing to the battery according to power control device's operational information, and export the electric current to consumer from the battery, thereby can prolong the duration of a journey ability and power control device's of battery life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of the power control circuit of the present invention;
fig. 2 is a circuit structure diagram of a current control module in an embodiment of the power control circuit of the present invention;
fig. 3 is a circuit structure diagram of the voltage reduction unit in an embodiment of the power control circuit of the present invention;
fig. 4 is a circuit structure diagram of the temperature detecting module in an embodiment of the power control circuit of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Communication module | R1～R7 | First to |
| 200 | Processing module | C1～C4 | First to |
| 300 | Current control module | RL | Temperature-sensitive resistor |
| 301 | A first control subunit | P1 | Control chip |
| 302 | A second control subunit | P2 | Step-down chip |
| Q1 | Switch tube | L1 | Inductance |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a power supply control circuit, which is applied to a power supply control device; referring to fig. 1, fig. 1 is a functional block diagram of an embodiment of a power control circuit according to the present invention. In this embodiment, the power control circuit comprises a processing module 200, a communication module 100, and a current control module 300, wherein:
the input end of the processing module 200 establishes communication connection with the electric equipment through the communication module 100, and the output end is connected with the control end of the current control module 300; the output end of the current control module 300 is connected with the power supply end of the electric equipment;
the processing module 200 is configured to receive an operating state of the electric device through the communication module 100, and send a current adjustment signal determined based on the operating state to the current control module 300;
and a current control module 300, configured to control the current of the electrical device according to the received current adjustment signal.
The communication module 100 comprises a communication interface, wherein:
the communication interface is connected between the input of the processing module 200 and the consumer.
There are various connection methods for existing communication, such as wired communication in which connection is performed through an interface such as microsusb or Type-C, or wireless communication in which connection is performed through a wireless method such as infrared or bluetooth. Therefore, the communication module 100 in this embodiment can communicate with the electric device for data transmission only by setting a communication mode corresponding to the electric device.
The operation information of the electric equipment comprises the current operation scene of the electric equipment, such as games, videos, idleness and the like, and can also comprise the current specific operation parameters of the electric equipment, such as screen brightness, residual electric quantity, program operation information, WIFI starting conditions and the like; in addition, the method can also comprise a control instruction issued by the user in real time.
After receiving the operation information through the communication module 100, the processing module 200 matches the currently most appropriate battery output current of the electrical device according to the operation information, for example, when the operation scene is a game, the screen brightness is too high, the remaining power is too low, or the number of the running programs is too large, the processing module matches the higher battery output current, and when the operation scene is idle or the remaining power is higher, the processing module matches the lower battery output current; and transmits a current adjustment signal to the current control module 300 according to the matched battery output current to adjust the battery output current. It is understood that the matching relationship between the above scenario and the battery output current is only described as a matching manner; the technician can set the appropriate battery output current for different operation information of the electric equipment according to actual use requirements.
In the embodiment, the communication module 100 is arranged on the power control circuit, and the communication module 100 receives the operation information of the electric device, so that the power control circuit can adjust the current input to the battery and the current output from the battery to the electric device according to the operation information of the power control device, thereby prolonging the cruising ability of the battery and the service life of the power control device.
Further, the current control module 300 includes a control chip P1, a control unit (not labeled), a first capacitor C1, and a first resistor R1, wherein:
a first control end of the control unit is connected with a first output end of the processing module 200, a second control end of the control unit is connected with a second output end of the processing module 200, and the output end of the control unit is connected with a current setting end of the control chip P1;
the input end and the enable end of the control chip P1 are respectively connected with a power supply, the output end is used as the output end of the current control module 300, the output end is grounded through a first capacitor C1, and the overvoltage protection end is connected with the power supply through a first resistor R1.
The control chip P1 in this embodiment is a SY6863 chip.
The overvoltage protection terminal of the control chip P1 is used for detecting the input voltage and stopping the power supply when the input voltage exceeds the protection voltage threshold. The first capacitor C1 acts as a filter.
The control chip P1 changes the output power by controlling the resistance of the terminal connection.
Further, the control unit comprises a second resistor R2, a first control subunit 301 and a second control subunit 302, wherein:
the control end of the first control subunit 301 is connected to the first output end of the processing module 200, and the output end is connected to the current setting end of the control chip P1;
the control end of the second control subunit 302 is connected to the second output end of the processing module 200, and the output end is connected to the current setting end of the control chip P1;
the second resistor R2 is connected between the current set terminal of the control chip P1 and ground.
The control subunit comprises a switching tube Q1 and a third resistor R3, wherein:
the control end of the switching tube Q1 is used as the control end of the control subunit, the input end is connected with the current setting end of the control chip P1 through the third resistor R3, and the output end is grounded.
In this embodiment, the switching transistor Q1 is an NMOS transistor, wherein the control terminal of the switching transistor Q1 is the gate of the NMOS transistor, the input terminal of the switching transistor Q1 is the drain of the NMOS transistor, and the output terminal of the switching transistor Q1 is the source of the NMOS transistor.
In this embodiment, whether the third resistor R3 is connected to the circuit is selected by controlling the on/off of the switch Q1, so as to change the resistance of the control terminal of the control chip P1. Specifically, two switching tubes Q1 are respectively the first switching tube Q1 and the second switching tube Q1 for explanation;
three switching states exist for the two switching tubes Q1, the first switching tube Q1 is turned on, the second switching tube Q1 is turned off, at this time, the resistor corresponding to the first switching tube Q1 is connected in parallel with the second resistor R2, at this time, the resistor connected to the control end of the control chip P1 is changed, the control chip P1 outputs 1A current, and the output voltage of the control chip P1 is fixed to 5V, so that the power is 5W; the first is that the first switch tube Q1 is turned off, the second switch tube Q1 is turned on, at this time, the corresponding resistance of the first switch tube Q1 is connected in parallel with the second resistance R2, at this time, the resistance connected to the control end of the control chip P1 is changed, the control chip P1 outputs 2A current, and the output voltage of the control chip P1 is fixed to 5V, so the power is 10W; the third is that the first switch tube Q1 is turned off, the second switch tube Q1 is turned off, the resistor connected to the control end of the control chip P1 is the second resistor R2, the control chip P1 outputs 0.5A current, and the output voltage of the control chip P1 is fixed to 5V, so the power is 2.5W.
The present embodiment can reasonably control the power output to the electric device.
Further, the circuit further comprises a power management module (not shown), wherein:
the input end of the power management module is connected with the mains supply, and the output end of the power management module is used as a power supply.
The power management module comprises a power taking unit (not shown) and a voltage reduction unit (not marked), wherein:
the input end of the electricity taking unit is connected with the mains supply, and the output end of the electricity taking unit is connected with the input end of the voltage reducing unit;
and the output end of the voltage reduction unit is used as the output end of the power management module.
The voltage reduction unit comprises a voltage reduction chip P2, an inductor L1, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4, wherein:
the input end of the voltage-reducing chip P2 is connected with the output end of the power-taking unit, the input end of the voltage-reducing chip P2 is grounded through a second capacitor C2, and the input end of the voltage-reducing chip P2 is connected with the enable end of the voltage-reducing chip P2 through a fourth resistor R4;
the output end of the voltage reduction chip P2 is connected with the driving pin of the voltage reduction chip P2 through a third capacitor C3, and the output end of the voltage reduction chip P2 is also connected with the first end of the inductor L1;
the second end of the inductor L1 is the output end of the buck chip P2, the second end of the inductor L1 is connected to the feedback end of the buck chip P2 through a fifth resistor R5, and the second end of the inductor L1 is also grounded through a fourth capacitor C4;
the feedback terminal of the buck chip P2 is also connected to ground through a sixth resistor R6.
It should be noted that the number of the voltage reduction units may be multiple, and specifically, the number of the voltage reduction units may be set according to an operation voltage required by each module in the circuit. The operating voltage required by the processing module 200 as in this embodiment is 3.3V; the required operating voltage of the control chip P1 is 12V.
Further, the circuit also includes a temperature detection module (not labeled), the temperature detection module includes a temperature sensitive resistor RL and a seventh resistor R7, wherein:
the first end of the seventh resistor R7 is connected to the power supply, the second end is grounded through the temperature-sensitive resistor RL, and the second end is further connected to the temperature detection end of the processing module 200.
The temperature detection module is used for detecting the temperature of the circuit, and when the temperature of the circuit is detected to be too high, the output power of the control chip P1 can be reduced to reduce the temperature.
This embodiment makes to avoid the circuit to operate in the environment of high temperature for a long time through setting up temperature detection module, avoids the circuit to damage.
The utility model discloses still protect a power controlling means, this power controlling means includes consumer and power control circuit, and above-mentioned embodiment can be referred to this power control circuit's structure, no longer gives unnecessary details here. It should be understood that, since the power control device of the present embodiment adopts the technical solution of the power control circuit, the power control device has all the advantages of the power control circuit.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. The term "comprising", without further limitation, means that the element so defined is not excluded from the group of processes, methods, articles, or systems that include the element. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A power control circuit, comprising a processing module, a communication module, and a current control module, wherein:
the input end of the processing module is in communication connection with the electric equipment through the communication module, and the output end of the processing module is connected with the control end of the current control module; the output end of the current control module is connected with the power supply end of the electric equipment;
the processing module is used for receiving the operating state of the electric equipment through the communication module and sending a current adjusting signal determined based on the operating state to the current control module;
and the current control module is used for controlling the current of the electric equipment according to the received current regulation signal.
2. The circuit of claim 1, wherein the communication module comprises a communication interface, wherein:
the communication interface is connected between the input end of the processing module and the electric equipment.
3. The circuit of claim 1, wherein the current control module comprises a control chip, a control unit, a first capacitor, and a first resistor, wherein:
a first control end of the control unit is connected with a first output end of the processing module, a second control end of the control unit is connected with a second output end of the processing module, and the output end of the control unit is connected with a current setting end of the control chip;
the input end and the enabling end of the control chip are respectively connected with a power supply, the output end of the control chip is used as the output end of the current control module, the output end of the control chip is grounded through the first capacitor, and the overvoltage protection end of the control chip is connected with the power supply through the first resistor.
4. The circuit of claim 3, wherein the control unit comprises a second resistor, a first control subunit, and a second control subunit, wherein:
the control end of the first control subunit is connected with the first output end of the processing module, and the output end of the first control subunit is connected with the current setting end of the control chip;
the control end of the second control subunit is connected with the second output end of the processing module, and the output end of the second control subunit is connected with the current setting end of the control chip;
the second resistor is connected between the current setting end of the control chip and the ground.
5. The circuit of claim 4, wherein the control subunit comprises a switching tube and a third resistor, wherein:
the control end of the switch tube is used as the control end of the control subunit, the input end of the switch tube is connected with the current setting end of the control chip through the third resistor, and the output end of the switch tube is grounded.
6. The circuit of claim 5, further comprising a power management module, wherein:
the input end of the power management module is connected with the mains supply, and the output end of the power management module is used as the power supply.
7. The circuit of claim 6, wherein the power management module comprises a power taking unit and a voltage dropping unit, wherein:
the input end of the electricity taking unit is connected with a mains supply, and the output end of the electricity taking unit is connected with the input end of the voltage reducing unit; and the output end of the voltage reduction unit is used as the output end of the power management module.
8. The circuit of claim 7, wherein the voltage dropping unit comprises a voltage dropping chip, an inductor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor, and a fourth capacitor, wherein:
the input end of the voltage reduction chip is connected with the output end of the power taking unit, the input end of the voltage reduction chip is grounded through the second capacitor, and the input end of the voltage reduction chip is connected with the enable end of the voltage reduction chip through the fourth resistor;
the output end of the voltage reduction chip is connected with the driving pin of the voltage reduction chip through the third capacitor, and the output end of the voltage reduction chip is also connected with the first end of the inductor;
the second end of the inductor is the output end of the voltage reduction chip, the second end of the inductor is connected with the feedback end of the voltage reduction chip through the fifth resistor, and the second end of the inductor is grounded through the fourth capacitor;
the feedback end of the voltage reduction chip is grounded through the sixth resistor.
9. The circuit according to any one of claims 1-8, further comprising a temperature detection module comprising a temperature sensitive resistor and a seventh resistor, wherein:
the first end of the seventh resistor is connected with the power supply, the second end of the seventh resistor is grounded through the temperature-sensitive resistor, and the second end of the seventh resistor is also connected with the temperature detection end of the processing module.
10. A power supply control apparatus comprising a power consuming device and a power supply control circuit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181563.7U CN215071724U (en) | 2021-05-28 | 2021-05-28 | Power supply control circuit and power supply control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181563.7U CN215071724U (en) | 2021-05-28 | 2021-05-28 | Power supply control circuit and power supply control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215071724U true CN215071724U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121181563.7U Active CN215071724U (en) | 2021-05-28 | 2021-05-28 | Power supply control circuit and power supply control device |
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|---|---|
| CN (1) | CN215071724U (en) |
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- 2021-05-28 CN CN202121181563.7U patent/CN215071724U/en active Active
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Address after: 516006 community 37, Zhongkai high tech Zone, Huizhou, Guangdong Patentee after: Tongli Technology Co.,Ltd. Address before: 516006 Zhongkai high tech Zone 37, Huizhou, Guangdong Patentee before: TONLY ELECTRONICS HOLDINGS Ltd. |