CN209149135U - Controllable constant-pressure output control circuit - Google Patents
Controllable constant-pressure output control circuit Download PDFInfo
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- CN209149135U CN209149135U CN201920098000.8U CN201920098000U CN209149135U CN 209149135 U CN209149135 U CN 209149135U CN 201920098000 U CN201920098000 U CN 201920098000U CN 209149135 U CN209149135 U CN 209149135U
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Abstract
The utility model relates to control circuit technical fields, disclose a kind of controllable constant-pressure output control circuit, including main controller circuit, LED control circuit, PMOS tube output circuit and USB charging circuit, the main controller circuit includes CSU32P10 single-chip microcontroller, 8 pins of the CSU32P10 single-chip microcontroller, 3 pins, 2 pins, 5 pins, 6 pins and 12 pins are electrically connected with the LED control circuit, 11 pins of pin 11 and 7 of the CSU32P10 single-chip microcontroller are electrically connected with the USB charging circuit, 10 pins of the CSU32P10 single-chip microcontroller are electrically connected with PMOS tube control circuit described in 9 pins, the PMOS tube output circuit is provided with shunt resistance, the voltage signal that the PMOS tube output circuit is exported It accesses on the adc detection pin of the CSU32P10 single-chip microcontroller.The technical solution of the utility model is able to detect identification output end open circuit and short-circuit condition, avoids security risk.
Description
Technical field
The utility model relates to control circuit technical field, in particular to a kind of controllable constant-pressure output control circuit.
Background technique
Controllable constant-pressure output control circuit is mainly by single-chip microcontroller, microswitch, metal-oxide-semiconductor, Chip-R, patch capacitor, patch
The components composition such as piece led and lithium electricity charging IC, connects lithium battery and liquid atomiser outside, and when pressing lower switch, control panel is logical
Cross MOS output constant voltage.However, common controllable constant-pressure output control circuit can only realize detection output on the market at present
Short-circuit or relatively low resistance value function lacks the function of detection output open circuit, thus in the presence of causing output end to there is safety
Hidden danger.
Utility model content
The main purpose of the utility model is to propose a kind of controllable constant-pressure output control circuit, it is intended to be solved existing controllable
Constant-voltage output control circuit lacks the technical issues of function of detection output open circuit.
To achieve the above object, the utility model proposes controllable constant-pressure output control circuit, including main controller circuit,
LED control circuit, PMOS tube output circuit and USB charging circuit, the LED control circuit, PMOS tube output circuit and
USB charging circuit is electrically connected with the main control circuit respectively, and the main controller circuit includes CSU32P10 single-chip microcontroller, described
8 pins, 3 pins, 2 pins, 5 pins, 6 pins and 12 pins and the LED control circuit of CSU32P10 single-chip microcontroller are electrically connected
It connects, 11 pins of pin 11 and 7 of the CSU32P10 single-chip microcontroller are electrically connected with the USB charging circuit, and the CSU32P10 is mono-
10 pins of piece machine are electrically connected with PMOS tube control circuit described in 9 pins, and the PMOS tube output circuit is provided with shunt resistance,
The voltage signal that the PMOS tube output circuit exports is accessed on the adc detection pin of the CSU32P10 single-chip microcontroller.
Further, main controller circuit further includes microswitch, resistance and capacitor, and the resistance is connected on described
On the power supply cathode circuit of CSU32P10 single-chip microcontroller, the power supply that the capacitor is connected in parallel on the CSU32P10 single-chip microcontroller is positive and negative
The both ends of pole, the microswitch are connect with the CSU32P10 single-chip microcontroller, are pressed by the microswitch long-pressing or company, and institute is given
It states CSU32P10 single-chip microcontroller and sends operation signal.
Further, the LED control circuit includes 3 LMBT3906TT1G triodes and 3 three color common anode RGB_
The E of LED and several series resistances, 3 LMBT3906TT1G triodes is extremely connect with positive pole, and described 3
The pole C of LMBT3906TT1G triode passes through resistance respectively and connect with 3 three color common anode RGB_LED.
Further, the PMOS tube control circuit includes 1 WST6225PMOS pipe and 4 resistance, the PMOS tube
The anode of the pole S and power supply connects, and the pole G of the PMOS tube is docked with 10 pins 10 of the CSU32P10 single-chip microcontroller.
Further, the USB charging circuit includes TYPE-C interface, the charging of LP28021A lithium electricity IC, diode
PESDU0771D3, several resistance and capacitor, the diode, capacitor are connected in parallel on the input power of the TYPE-C interface
Between anode and cathode, 4 pins of the LP28021A lithium electricity charging IC are connected by the anode of pull-up resistor and power supply, described
LP28021A lithium electricity charging IC is connect by concatenated resistance with 7 pins of the CSU32P10 single-chip microcontroller.
Using the technical solution of the utility model, have the advantages that the technical solution of the utility model, by
The rear end of PMOS tube output circuit increases a shunt resistance for the adc of the voltage signal access single-chip microcontroller of output and detects pin
On, by detecting the voltage value on the adc pin, it is capable of detecting when the open-circuit condition of output end, avoids security risk.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of frame connecting structure figure of controllable constant-pressure output control circuit of an embodiment of the present invention；
Fig. 2 is a kind of circuit of the main controller circuit of controllable constant-pressure output control circuit of an embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of circuit of the LED control circuit of controllable constant-pressure output control circuit of an embodiment of the present invention
Schematic diagram；
Fig. 4 is a kind of electricity of the PMOS tube control circuit of controllable constant-pressure output control circuit of an embodiment of the present invention
Road schematic diagram；
Fig. 5 is a kind of circuit of the USB charging circuit of controllable constant-pressure output control circuit of an embodiment of the present invention
Schematic diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of controllable constant-pressure output control circuits.
As Figure 1-Figure 5, in an embodiment of the utility model, the controllable constant-pressure output control circuit, including master control
Device circuit 10, LED control circuit 20, PMOS tube output circuit 30 and USB charging circuit 40 processed, the LED control circuit 20,
PMOS tube output circuit 30 and USB charging circuit 40 are electrically connected with the main control circuit 10 respectively.
Specifically, main controller circuit 10 is by CSU32P10 single-chip microcontroller (U2), microswitch (K1) and resistance and capacitor
Composition, is the core control portions of the utility model, and resistance is connected on the power supply anode electricity of CSU32P10 single-chip microcontroller (U2)
On the road, 10 Europe and following resistance value are taken, capacitor is connected in parallel on the power positive cathode both ends of CSU32P10 single-chip microcontroller (U2), common to take
4.7uf, microswitch (K1) is input equipment, and by long-pressing, company is pressed, and sends operation letter to CSU32P10 single-chip microcontroller (U2)
Number, after CSU32P10 single-chip microcontroller (U2) receives push button signalling, by pin 10 (HOT), pin 9 (FB) connects PMOS tube control
Circuit 30 passes through pin 8 (BLUE), pin 3 (GREEN), pin 2 (RED), pin 5 (COM1), pin 6 (COM2), pin 12
(COM3) LED control circuit 20 is connected, by pin 11 (5V_IN), pin 7 (C_ST) connects USB charging circuit 40, each portion
Divide cooperation, realizes the control of the circuit.
By increasing a shunt resistance for the voltage signal of output and accessing monolithic in the rear end of PMOS tube output circuit 30
On the adc detection pin of machine, by detecting the voltage value on the adc pin, it is capable of detecting when the open-circuit condition of output end, avoids
Security risk.
Specifically, LED control circuit 20 is by 3 LMBT3906TT1G triodes (Q2, Q3, Q4) and 3 three color common anodes
RGB_LED (LED1, LED2, LED3) and several series resistances composition.3 LMBT3906TT1G triodes (Q2, Q3, Q4)
E be extremely uniformly connected to positive pole, the pole B of LMBT3906TT1G triode pass through respectively a resistance to (BLUE, GREEN,
RED it) is docked with the pin 8 (BLUE) of CSU32P10 single-chip microcontroller (U2), pin 3 (GREEN), pin 2 (RED),
The pole C of LMBT3906TT1G triode (Q2) passes through resistance to 3 three color common anode RGB_LED (LED1, LED2, LED3) respectively
Pin 1, control RGB_LED output color be blue, the pole C of LMBT3906TT1G triode (Q3) passes through resistance respectively
To the pin 2 of 3 three color common anode RGB_LED (LED1, LED2, LED3), the color for controlling RGB_LED output is green,
The pole C of LMBT3906TT1G triode (Q4) passes through resistance to 3 three color common anode RGB_LED (LED1, LED2, LED3) respectively
Pin 3, the color of control RGB_LED output is red, and 3 three color common anode RGB_LED (LED1, LED2, LED3) draw
The pin 5 (COM1) of foot 4 (COM1, COM2, COM3) and CSU32P10 single-chip microcontroller (U2), pin 6 (COM2), pin 12 (COM3)
Docking, so that CSU32P10 single-chip microcontroller (U2) can need the RGB_LED lighted according to design requirement, independent control, instruction is corresponded to
Working condition.
Specifically, PMOS tube control circuit 30 includes 1 WST6225PMOS pipe (Q1) and 4 resistance compositions, PMOS tube
(Q1) the pole S is connected to positive pole, and the pole G one resistance (R5) of series connection of PMOS tube (Q1) arrives (HOT) and CSU32P10 single-chip microcontroller
(U2) pin 10 (HOT) docking, resistance (R4) is pull-up resistor, is connected to positive pole, it is ensured that PMOS tube (Q1) is not being pressed
Have output in the case where key pressing, the pole D of PMOS tube (Q1) is connected to output end F+/FT+, resistance (R7) of connecting to (FB) with
The pin 9 (FB) of CSU32P10 single-chip microcontroller (U2) docks, and resistance (R6) is pull down resistor, is connected to power ground, CSU32P10 monolithic
The pin 9 (FB) of machine (U2) has ADC function, and the voltage of the pole the D output end of PMOS tube (Q1) can be detected, thus judge output end
The external loading of F+/FT+ lights RGB_LED police instruction with the presence or absence of open circuit, short circuit, passes through formula operation or even energy
Substantially detect the resistance value of external loading, if external loading meets output and requires, the pin 10 of CSU32P10 single-chip microcontroller (U2)
(HOT) low level is exported, the pole S of PMOS tube (Q1) is connected to the pole D, and output voltage leads to again to output end F+/FT+, external loading
It crosses output end F-/FT- and is connected to power ground forming circuit.
Specifically, USB charging circuit 40 is filled by a TYPE-CUSB female (USB1), LP28021A (U1) lithium electricity
Electric IC, diode (D1) PESDU0771D3, several resistance, capacitor composition.Diode (D1), capacitor (C1) are connected in parallel on
Between the positive and negative anodes of TYPE-CUSB female (USB1) input power, there are filtering, the effect of pressure stabilizing, resistance (R1) and resistance (R2)
It is connected between the positive and negative anodes of TYPE-CUSB female (USB1) input power, between resistance (R1) and resistance (R2), extraction is drawn
Foot 5V_IN is docked with the pin 11 (5V_IN) of CSU32P10 single-chip microcontroller (U2), when USB insertion, resistance (R1) and resistance
(R2) the 5V voltage of input is input to the pin 11 (5V_IN) of CSU32P10 single-chip microcontroller (U2), to detect
USB charging, lights corresponding LED light, indicates current charged state, and LP28021A (U1) lithium electricity charging IC inputs USB
5V voltage is converted to the 4.2v voltage of lithium battery needs, and the pin 4 of LP28021A (U1) lithium electricity charging IC passes through pull-up resistor
(R19) it is connected to positive pole, is docked by concatenated resistance (R18) with the pin 7 (C_ST) of CSU32P10 single-chip microcontroller (U2),
When LP28021A (U1) lithium electricity charging IC detects that lithium battery voltage is full of, pin 7 (C_ST) exports low level signal
CSU32P10 single-chip microcontroller (U2) is given, to judge that USB is fully charged, lights corresponding LED light, P+/PT+ is positive pole, external
The anode of lithium battery, P-/PT- are power grounds, the cathode of external lithium battery, and capacitor (C2) is connected in parallel on P+/PT+ and P-/PT-
Between pressure stabilizing.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (5)
1. a kind of controllable constant-pressure output control circuit, which is characterized in that including main controller circuit, LED control circuit, PMOS tube
Output circuit and USB charging circuit, the LED control circuit, PMOS tube output circuit and USB charging circuit respectively with institute
Main control circuit electrical connection is stated, the main controller circuit includes CSU32P10 single-chip microcontroller, and the 8 of the CSU32P10 single-chip microcontroller are drawn
Foot, 3 pins, 2 pins, 5 pins, 6 pins and 12 pins are electrically connected with the LED control circuit, the CSU32P10 monolithic
11 pins of pin 11 and 7 of machine are electrically connected with the USB charging circuit, 10 pins and 9 pins of the CSU32P10 single-chip microcontroller
The PMOS tube control circuit electrical connection, the PMOS tube output circuit are provided with shunt resistance, and the PMOS tube is exported electricity
The voltage signal of road output accesses on the adc detection pin of the CSU32P10 single-chip microcontroller.
2. controllable constant-pressure output control circuit according to claim 1, which is characterized in that main controller circuit further includes micro-
Dynamic switch, resistance and capacitor, the resistance is connected on the power supply cathode circuit of the CSU32P10 single-chip microcontroller, described
Capacitor is connected in parallel on the both ends of the power positive cathode of the CSU32P10 single-chip microcontroller, the microswitch and the CSU32P10 monolithic
Machine connection, is pressed by the microswitch long-pressing or company, sends operation signal to the CSU32P10 single-chip microcontroller.
3. controllable constant-pressure output control circuit according to claim 1, which is characterized in that the LED control circuit includes 3
A LMBT3906TT1G triode and 3 three color common anode RGB_LED and several series resistances, described 3
The E of LMBT3906TT1G triode is extremely connect with positive pole, and the pole C of 3 LMBT3906TT1G triodes leads to respectively
Resistance is crossed to connect with 3 three color common anode RGB_LED.
4. controllable constant-pressure output control circuit according to claim 1, which is characterized in that the PMOS tube control circuit packet
1 WST6225 PMOS tube and 4 resistance are included, the pole S of the PMOS tube and the anode of power supply connect, the pole G of the PMOS tube
It is connect with 10 pins of the CSU32P10 single-chip microcontroller.
5. controllable constant-pressure output control circuit according to claim 1, which is characterized in that the USB charging circuit includes
TYPE-C interface, LP28021A lithium electricity charging IC, diode PESDU0771D3, several resistance and capacitor, the diode,
Capacitor is connected in parallel between the anode and cathode of the input power of the TYPE-C interface, and the 4 of the LP28021A lithium electricity charging IC
Pin is connected by the anode of pull-up resistor and power supply, the LP28021A lithium electricity fill IC by concatenated resistance with it is described
7 pins of CSU32P10 single-chip microcontroller connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098000.8U CN209149135U (en) | 2019-01-21 | 2019-01-21 | Controllable constant-pressure output control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098000.8U CN209149135U (en) | 2019-01-21 | 2019-01-21 | Controllable constant-pressure output control circuit |
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| Publication Number | Publication Date |
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| CN209149135U true CN209149135U (en) | 2019-07-23 |
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| CN201920098000.8U Active CN209149135U (en) | 2019-01-21 | 2019-01-21 | Controllable constant-pressure output control circuit |
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| CN (1) | CN209149135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113516941A (en) * | 2021-06-22 | 2021-10-19 | 珠海格力电器股份有限公司 | LED matrix brightness control system and method |
-
2019
- 2019-01-21 CN CN201920098000.8U patent/CN209149135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113516941A (en) * | 2021-06-22 | 2021-10-19 | 珠海格力电器股份有限公司 | LED matrix brightness control system and method |
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