CN215493879U - Voltage-regulating power supply circuit board - Google Patents
Voltage-regulating power supply circuit board Download PDFInfo
- Publication number
- CN215493879U CN215493879U CN202121271776.9U CN202121271776U CN215493879U CN 215493879 U CN215493879 U CN 215493879U CN 202121271776 U CN202121271776 U CN 202121271776U CN 215493879 U CN215493879 U CN 215493879U
- Authority
- CN
- China
- Prior art keywords
- voltage
- unit
- power supply
- voltage regulating
- module
- 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
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a voltage-regulating power circuit board, which comprises a power supply module and is characterized in that: the power supply module is electrically connected with a main control chip, the main control chip is electrically connected with a liquid crystal display module and a voltage regulating module, and the main control chip is electrically connected with a key setting module; the voltage regulating module comprises a digital potentiometer voltage regulating unit, a BuckDC voltage reducing unit, a current sampling unit and a voltage sampling unit. Through the design of structures such as a digital potentiometer voltage regulating unit, a BuckDC voltage reducing unit and the like, the patent voltage regulating plate is mainly realized by an XL4016BuckDC voltage regulating chip, the BuckDC voltage regulating chip usually regulates the voltage by using a potentiometer, and the digital potentiometer automatically regulates by using MCU control; the voltage-regulating power supply circuit board that this application provided is used for generating heat the piece specially or generate heat the aging test of clothes, promotes operating voltage, and the mode of high pressure high fever is ageing to reduce ageing time.
Description
Technical Field
The utility model relates to the technical field of power circuit boards, in particular to a voltage-regulating power circuit board.
Background
Among the prior art electric intelligence dress, electric heat clothes, generate heat clothes, electric heat class product that generates heat need carry out aging testing to inner structure wherein in process of production, however it generally all adopts treasured or the constant voltage power supply aging testing that charges, and it has following technical problem to use treasured or the constant voltage power supply that charges to carry out the aging testing of this type of product: the charger is used for aging, and because the aging time is not long enough, a plurality of quality problems are not developed in time; the aging of the voltage-stabilized power supply is used, the working voltage is increased, and the aging time can be shortened.
SUMMERY OF THE UTILITY MODEL
The voltage-regulating power circuit board is specially used for aging test of heating sheets or heating clothes, and aging is achieved in a high-voltage and high-temperature mode through the voltage-regulating functions of a voltage-regulating unit of a digital potentiometer and a Buck DC voltage-reducing unit, so that the aging time is shortened, and the problems in the background art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a voltage-regulating power circuit board comprises a power supply module, wherein the power supply module is electrically connected with a main control chip, the main control chip is electrically connected with a liquid crystal display module and a voltage regulating module, and the main control chip is electrically connected with a key setting module;
the voltage regulating module comprises a digital potentiometer voltage regulating unit, a Buck DC voltage reducing unit, a current sampling unit and a voltage sampling unit, wherein the Buck DC voltage reducing unit, the current sampling unit and the voltage sampling unit are electrically connected to the digital potentiometer voltage regulating unit.
Preferably, the digital potentiometer voltage regulating unit is an automatically-adjustable X9312 digital point location, and the digital point location is a switch buck DC-DC conversion chip.
Preferably, the digital potentiometer voltage regulating unit comprises a resistor array of 99 resistor units, and tap points are provided between each unit and at two terminals, which are accessible by the sliding unit.
Preferably, the position of the sliding unit is controlled by three input terminals CS, U/D and INC of the digital potentiometer, and the position of the sliding terminal is stored in a nonvolatile memory.
Preferably, the Buck DC voltage reduction unit is set to be an XL4016Buck DC voltage regulation chip.
Preferably, the liquid crystal display module is set as a liquid crystal display screen, and the key setting module is set as a combined key structure of a plurality of micro switches.
Compared with the prior art, the utility model has the beneficial effects that:
through the design of digital potentiometre voltage regulating unit and Buck DC voltage reduction unit etc., patent voltage regulating board is realized mainly by XL4016Buck DC voltage regulating chip, and Buck DC voltage regulating chip is with potentiometre regulation voltage usually, and the MCU control that this application utilized is digital potentiometre automatically regulated. XL4016 is a switching buck DC-DC conversion chip, the voltage output Vout is 1.25 (1+ RX/R1), RX is a digital potentiometer and R4 series resistance, and the output voltage value can be changed by adjusting the magnitude of RX resistance. When a user sets a voltage value (such as 5V), the output voltage passes through R5, the R6 divider resistor is connected to AN5 of the MCU, the MCU converts the output voltage value through AN AD conversion port, when the output voltage is greater than 5V, the MCU controls the data potential, reduces RX to reduce the voltage, and when the output voltage is less than 5V, the MCU controls the data potential to increase RX to enable the voltage to rise to reach 5V. R3 and R13 are current sampling circuits and are connected with AN6 of the MCU, the AD conversion pin of AN6 converts the current into a digital value, the current of the load can be displayed in real time, when the current exceeds the maximum value, PA6 outputs high level, XL4016 closes the output, and the overcurrent protection function is achieved. The X9312 digital potentiometer is a resistor array comprising 99 resistor units. Between each cell and at both ends there are tap points that can be accessed by the slider cell. The position of the sliding unit is controlled by three inputs CS, U/D and INC. The position of the slider end can be stored in a non-volatile memory and thus recalled the next time it is powered up; the voltage-regulating power circuit board provided by the utility model is specially used for aging test of heating sheets or heating clothes, working voltage is increased, and aging is carried out in a high-voltage and high-heat mode so as to reduce aging time.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a schematic diagram of the overall circuit structure of the power circuit board of the present invention;
FIG. 2 is a schematic circuit diagram of a liquid crystal display module according to the present invention;
FIG. 3 is a schematic diagram of a circuit structure of a main control chip, a power supply module and a key setting module according to the present invention;
FIG. 4 is a schematic diagram of the circuit structure of the voltage regulating unit, the Buck DC voltage reducing unit, the current sampling unit and the voltage sampling unit of the digital potentiometer according to the present invention;
fig. 5 is a schematic circuit diagram of the digital potentiometer according to the present invention.
Detailed Description
The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "back," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, as used herein, are merely used for convenience in referring to the figures and to aid in describing the utility model, and are not intended to limit the utility model.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a voltage regulation power supply circuit board, includes power supply module, its characterized in that: the power supply module is electrically connected with a main control chip, the main control chip is electrically connected with a liquid crystal display module and a voltage regulating module, and the main control chip is electrically connected with a key setting module;
the voltage regulating module comprises a digital potentiometer voltage regulating unit, a Buck DC voltage reducing unit, a current sampling unit and a voltage sampling unit, wherein the Buck DC voltage reducing unit, the current sampling unit and the voltage sampling unit are electrically connected to the digital potentiometer voltage regulating unit.
The digital potentiometer voltage regulating unit is an X9312 digital point location device capable of being automatically regulated, and the digital point location device is a switch voltage reduction type DC-DC conversion chip; the digital potentiometer voltage regulating unit comprises a resistor array of 99 resistor units, and tap points which can be accessed by the sliding units are arranged between each unit and at two end points; the position of the sliding unit is controlled by three input ends CS, U/D and INC of the digital potentiometer, and the position of the sliding end is stored in a nonvolatile memory.
As shown in fig. 3, 4 and 5, through the design of digital potentiometer voltage regulating unit and Buck DC voltage reducing unit, the patent voltage regulating board is mainly realized by XL4016Buck DC voltage regulating chip, and Buck DC voltage regulating chip usually uses the potentiometre to adjust voltage, and the MCU control that this application utilized is digital potentiometer automatically regulated, and the MCU is the main control chip in fig. 3. XL4016 is a switching buck DC-DC conversion chip, the voltage output Vout is 1.25 (1+ RX/R1), RX is a digital potentiometer and R4 series resistance, and the output voltage value can be changed by adjusting the magnitude of RX resistance. When a user sets a voltage value (such as 5V), the output voltage passes through R5, the R6 divider resistor is connected to AN5 of the MCU, the MCU converts the output voltage value through AN AD conversion port, when the output voltage is greater than 5V, the MCU controls the data potential, reduces RX to reduce the voltage, and when the output voltage is less than 5V, the MCU controls the data potential to increase RX to enable the voltage to rise to reach 5V. R3 and R13 are current sampling circuits and are connected with AN6 of the MCU, the AD conversion pin of AN6 converts the current into a digital value, the current of the load can be displayed in real time, when the current exceeds the maximum value, PA6 outputs high level, XL4016 closes the output, and the overcurrent protection function is achieved. The X9312 digital potentiometer is a resistor array comprising 99 resistor units. Between each cell and at both ends there are tap points that can be accessed by the slider cell. The position of the sliding unit is controlled by three inputs CS, U/D and INC. The position of the slider end can be stored in a non-volatile memory and thus recalled the next time it is powered up; the voltage-regulating power circuit board provided by the utility model is specially used for aging test of heating sheets or heating clothes, working voltage is increased, and aging is carried out in a high-voltage and high-heat mode so as to reduce aging time.
The Buck DC voltage reduction unit is set to be an XL4016Buck DC voltage regulation chip; the liquid crystal display module is set as a liquid crystal display screen, and the key setting module is set as a combined key structure of a plurality of micro switches.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a voltage regulation power supply circuit board, includes power supply module, its characterized in that: the power supply module is electrically connected with a main control chip, the main control chip is electrically connected with a liquid crystal display module and a voltage regulating module, and the main control chip is electrically connected with a key setting module;
the voltage regulating module comprises a digital potentiometer voltage regulating unit, a BuckDC voltage reducing unit, a current sampling unit and a voltage sampling unit, wherein the BuckDC voltage reducing unit, the current sampling unit and the voltage sampling unit are electrically connected to the digital potentiometer voltage regulating unit.
2. The voltage regulating power supply circuit board of claim 1, wherein: the voltage regulating unit of the digital potentiometer is set to be an X9312 digital point location device capable of being automatically regulated, and the digital point location device is a switch voltage reduction type DC-DC conversion chip.
3. The voltage regulating power supply circuit board of claim 2, wherein: the digital potentiometer voltage regulating unit comprises a resistor array of 99 resistor units, and tap points which can be accessed by the sliding units are arranged between each unit and at two end points.
4. The voltage regulating power supply circuit board according to claim 3, wherein: the position of the sliding unit is controlled by three input ends CS, U/D and INC of the digital potentiometer, and the position of the sliding end is stored in a nonvolatile memory.
5. The voltage regulating power supply circuit board of claim 1, wherein: the BuckDC voltage reduction unit is set to be an XL4016BuckDC voltage regulation chip.
6. The voltage regulating power supply circuit board of claim 1, wherein: the liquid crystal display module is set as a liquid crystal display screen, and the key setting module is set as a combined key structure of a plurality of micro switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121271776.9U CN215493879U (en) | 2021-06-08 | 2021-06-08 | Voltage-regulating power supply circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121271776.9U CN215493879U (en) | 2021-06-08 | 2021-06-08 | Voltage-regulating power supply circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215493879U true CN215493879U (en) | 2022-01-11 |
Family
ID=79783702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121271776.9U Active CN215493879U (en) | 2021-06-08 | 2021-06-08 | Voltage-regulating power supply circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215493879U (en) |
-
2021
- 2021-06-08 CN CN202121271776.9U patent/CN215493879U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103545865B (en) | For the apparatus and method powered in the terminal | |
| CN106253394A (en) | Charger | |
| CN111969685A (en) | Handheld terminal, power supply circuit thereof, power supply control method thereof and readable storage medium | |
| CN201781302U (en) | Integrated battery charger and circuit structure of direct current voltage stabilizing power supply | |
| CN106558901B (en) | Output voltage control circuit applied to quick charging source | |
| CN215493879U (en) | Voltage-regulating power supply circuit board | |
| CN100442629C (en) | Linear charger | |
| CN101162866A (en) | Adjustable variant electric voltage voltage-stabilizing device | |
| CN211880144U (en) | Charger and charging system | |
| CN109309397B (en) | Mobile power supply | |
| CN208369264U (en) | A kind of charging circuit and electronic equipment | |
| CN103346597A (en) | Charging device | |
| CN216959382U (en) | Power receiving circuit, earphone and earphone assembly | |
| CN211986678U (en) | Electrotherapy stimulation instrument | |
| CN208923863U (en) | A kind of battery charge-discharge managing device | |
| CN103532377B (en) | A kind of charge pump apparatus and use the electric power management circuit of this device | |
| TW201406001A (en) | Parallel charging and serial discharging method for lithium battery and device thereof | |
| CN208126335U (en) | L DO power-on sequence adjusting circuit and main chip power supply circuit | |
| CN202363699U (en) | Digital power plugboard | |
| CN207588729U (en) | A kind of line compensation circuit and Switching Power Supply | |
| CN218005915U (en) | Circuit supporting bidirectional charging and discharging, outdoor power supply device and expansion structure thereof | |
| CN215576204U (en) | Wireless control device of water heater | |
| CN214707267U (en) | Intelligent charger with double-battery voltage output | |
| CN218771392U (en) | PoE power supply quick charging adapter | |
| CN219420359U (en) | Power supply charge and discharge management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |