CN208819053U - A kind of numerical model analysis formula constant-power power source control system - Google Patents
A kind of numerical model analysis formula constant-power power source control system Download PDFInfo
- Publication number
- CN208819053U CN208819053U CN201821586621.2U CN201821586621U CN208819053U CN 208819053 U CN208819053 U CN 208819053U CN 201821586621 U CN201821586621 U CN 201821586621U CN 208819053 U CN208819053 U CN 208819053U
- Authority
- CN
- China
- Prior art keywords
- power
- circuit
- input
- digital signal
- control system
- 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
Landscapes
- Logic Circuits (AREA)
Abstract
The utility model relates to a kind of numerical model analysis formula constant-power power source control systems; including MCU primary processor; the end TX of the MCU primary processor connects digital signal transmission level conversion circuit, and the end RX connects digital signal reception level shifting circuit, the end Vin connection simulation control input sampling circuit；The digital signal transmission level conversion circuit is used to externally carry out data transmission by Transistor-Transistor Logic level；The data that the digital signal reception level shifting circuit is used to be converted to external digital communication input Transistor-Transistor Logic level input；The simulation control input sampling circuit is used to input using analog signal as control.The utility model increases the adaptivity of power-supply system.
Description
Technical field
The utility model relates to power supply control technology fields, control more particularly to a kind of numerical model analysis formula constant-power power source
System.
Background technique
The Digital Control of the equipment such as LED can use a variety of sides in the regulation to constant-power power source system
Formula, such as traditional simulation regulates and controls, and the Digital Control etc. got up with electronic technology development.Under normal circumstances, in realization pair
Would generally be there are two types of control mode when in the control of constant-power power source: one kind be using simulation input control mode, i.e., using such as
The analog quantitys such as analog voltage come realize to invariable power adjust control；It is another kind of to be referred to as Digital Control mode, i.e., using such as
The modes such as common serial communication realize the control that invariable power is adjusted.But both control modes are relatively simple, are unable to satisfy
Existing demand.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of numerical model analysis formula constant-power power source control systems, increase
The adaptivity of power-supply system is added.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of numerical model analysis formula invariable power electricity
Source control system, including MCU primary processor, the end TX of the MCU primary processor connect digital signal transmission level conversion circuit,
The end RX connects digital signal reception level shifting circuit, the end Vin connection simulation control input sampling circuit；The digital signal hair
Send level shifting circuit for externally carrying out data transmission by Transistor-Transistor Logic level；The digital signal reception level shifting circuit is used
It is inputted in the data that external digital communication input is converted to Transistor-Transistor Logic level；The simulation control input sampling circuit is used for mould
Quasi- signal is as control input.
The digital signal transmission level conversion circuit includes the first triode and the second triode, first triode
Base stage be connected with the end TX by a resistance, collector passes through a resistance and is connected with power end, and emitter is grounded；Described
The base stage of two triodes is connected with the collector of the first triode, and collector is connected by a resistance with power end, emitter
Ground connection；The collector of second triode is also connected with external signal end.
The digital signal reception level shifting circuit includes the first operational amplifier and second operational amplifier, and described the
The positive input of one operational amplifier is connected with the first reference voltage, and reverse input end is connected with external signal end；Described
The positive input of two operational amplifiers is connected with the second reference voltage, the output end of reverse input end and the first operational amplifier
It is connected, output end is connected with the end RX.
Simulation control input sampling circuit is three resistor voltage divider circuits, the input terminal of three resistor voltage divider circuit with
External signal end is connected, and output end is connected with the end Vin.
Current-limiting resistance is equipped between the output end and the end Vin of three resistor voltage divider circuit.
The output end of three resistor voltage divider circuit also passes through a capacity earth.
Beneficial effect
Due to the adoption of the above technical solution, the utility model compared with prior art, has the following advantages that and accumulates
Pole effect: the utility model is controlled in such a way that the serial communication based on TTL is in conjunction with analog voltage, is not only realized
It is interacted with the digitlization of power control system, also achieves the input of the analog control voltage signal of power control system, increased
The adaptivity of power-supply system.
Detailed description of the invention
Fig. 1 is digital signal transmission level conversion circuit figure；
Fig. 2 is digital signal reception level shifting circuit figure；
Fig. 3 is simulation control input sampling circuit figure.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiments of the present invention is related to a kind of numerical model analysis formula constant-power power source control system, including the main place MCU
Device is managed, the end TX of the MCU primary processor connects digital signal transmission level conversion circuit, and the end RX connects digital signal reception electricity
Flat conversion circuit, the end Vin connection simulation control input sampling circuit；The digital signal transmission level conversion circuit is for passing through
Transistor-Transistor Logic level externally carries out data transmission；The digital signal reception level shifting circuit is used to turn external digital communication input
It is changed to the data input of Transistor-Transistor Logic level；The simulation control input sampling circuit is used to input using analog signal as control.
It can be seen that the combination in order to realize the control of numerical model analysis formula, in the power control system using based on TTL's
Control of the serial communication in conjunction with analog voltage.
As shown in Figure 1, the digital signal transmission level conversion circuit includes the first triode Q2 and the second triode Q1,
The base stage of the first triode Q2 is connected by a resistance R9 with the end TX, and collector passes through a resistance R7 and power end phase
Even, emitter ground connection；The base stage of the second triode Q1 is connected with the collector of the first triode Q2, and collector passes through one
Resistance R31 is connected with power end, emitter ground connection；The collector of the second triode Q1 is also connected with external signal end.Its
The level that the data of Transistor-Transistor Logic level transmission signal can be converted to given voltage externally carries out data transmission.The power control system
The outside carry out data transmission for externally passing through Transistor-Transistor Logic level, is realized by two-stage transistor control circuit to specified electricity in circuit
Flat conversion, the digital signal finally externally exported are DIM+.Digital signal transmission level conversion circuit in present embodiment
The middle common serial Communication Design of reference, communication line default output is high level, and the control circuit of two-stage is to realize and send number
According to when identical level logic.Output end use voltage identical with system power supply, so as to analog input voltage grade
Compatibility.
As shown in Fig. 2, the digital signal reception level shifting circuit includes the first operational amplifier U3B and the second operation
Amplifier U3A, the positive input of the first operational amplifier U3B are connected with the first reference voltage, reverse input end with it is right
External signal end is connected；The positive input of the second operational amplifier U3A is connected with the second reference voltage, reverse input end with
The output end of first operational amplifier is connected, and output end is connected with the end RX.Wherein, the first reference voltage and the second reference voltage are equal
It can be realized by bleeder circuit.The circuit inputs the data that external digital communication input is converted to Transistor-Transistor Logic level, is come with this real
Existing numeral input.Digital signal in input control signal line is compared by it with given voltage, while realizing clamper,
The number isolation for realizing two-stage, ensure that the power protection of the control system of signal anti-interference and system module.Input control
It is connected after signal and output digit signals switching levels, realizes the semiduplex communication mechanism of single line, protects electricity in conjunction with clamper
Road etc. is realized compatible with simulation input control signal with this.
As shown in figure 3, the simulation control input sampling circuit is three resistor voltage divider circuits, three resistor voltage divider circuit
Input terminal be connected with external signal end, output end is connected with the end Vin.The output end of three resistor voltage divider circuit and the end Vin
Between be equipped with current-limiting resistance R27.The output end of three resistor voltage divider circuit also passes through a capacitor C11 ground connection.The circuit is logical
It crosses three electric resistance partial pressures and obtains simulation control input voltage signal, and be filtered by capacitor C11, in the control system for entering module
Current-limiting resistance R27 and certain voltage clamping are added before system, to realize the protection to module control system AD input sample.
It is not difficult to find that Fig. 1 and circuit shown in Fig. 2 realize digital communication, the number with power control system can be realized
Wordization interaction, configures as the digitlization of the parameters of constant power output based on this.Circuit shown in Fig. 3 realizes mould
The control of quasi- control signal, can realize the input of the analog control voltage signal of the power control system, also based on this
Foundation as invariable power parameter regulation.
Claims (6)
1. a kind of numerical model analysis formula constant-power power source control system, including MCU primary processor, which is characterized in that the main place MCU
The end TX for managing device connects digital signal transmission level conversion circuit, and the end RX connects digital signal reception level shifting circuit, the end Vin
Connection simulation control input sampling circuit；The digital signal transmission level conversion circuit is used to externally carry out by Transistor-Transistor Logic level
Data transmission；The digital signal reception level shifting circuit is used to be converted to external digital communication input the number of Transistor-Transistor Logic level
According to input；The simulation control input sampling circuit is used to input using analog signal as control.
2. numerical model analysis formula constant-power power source control system according to claim 1, which is characterized in that the digital signal
Transmission level conversion circuit includes the first triode and the second triode, the base stage of first triode by a resistance with
The end TX is connected, and collector is connected by a resistance with power end, emitter ground connection；The base stage and first of second triode
The collector of triode is connected, and collector is connected by a resistance with power end, emitter ground connection；Second triode
Collector is also connected with external signal end.
3. numerical model analysis formula constant-power power source control system according to claim 1, which is characterized in that the digital signal
Receiving level shifting circuit includes the first operational amplifier and second operational amplifier, and the forward direction of first operational amplifier is defeated
Enter end to be connected with the first reference voltage, reverse input end is connected with external signal end；The forward direction of the second operational amplifier is defeated
Enter end to be connected with the second reference voltage, reverse input end is connected with the output end of the first operational amplifier, output end and the end RX phase
Even.
4. numerical model analysis formula constant-power power source control system according to claim 1, which is characterized in that the simulation control
Input sampling circuit is three resistor voltage divider circuits, and the input terminal of three resistor voltage divider circuit is connected with external signal end, is exported
End is connected with the end Vin.
5. numerical model analysis formula constant-power power source control system according to claim 4, which is characterized in that three resistance point
Current-limiting resistance is equipped between the output end and the end Vin of volt circuit.
6. numerical model analysis formula constant-power power source control system according to claim 4, which is characterized in that three resistance point
The output end of volt circuit also passes through a capacity earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586621.2U CN208819053U (en) | 2018-09-28 | 2018-09-28 | A kind of numerical model analysis formula constant-power power source control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586621.2U CN208819053U (en) | 2018-09-28 | 2018-09-28 | A kind of numerical model analysis formula constant-power power source control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208819053U true CN208819053U (en) | 2019-05-03 |
Family
ID=66278615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821586621.2U Active CN208819053U (en) | 2018-09-28 | 2018-09-28 | A kind of numerical model analysis formula constant-power power source control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208819053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556633A (en) * | 2020-05-26 | 2020-08-18 | 广州彩熠灯光股份有限公司 | Control circuit and lighting control system |
-
2018
- 2018-09-28 CN CN201821586621.2U patent/CN208819053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556633A (en) * | 2020-05-26 | 2020-08-18 | 广州彩熠灯光股份有限公司 | Control circuit and lighting control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201113972Y (en) | Level switching circuit | |
| CN208819053U (en) | A kind of numerical model analysis formula constant-power power source control system | |
| CN204598359U (en) | A kind of many light fixture networking drive circuits for visible light communication | |
| CN102594300B (en) | Light-operated signal generating circuit | |
| CN103343831A (en) | Intelligent electrical valve locator main board hardware circuit | |
| CN203225733U (en) | A single-channel bidirectional logic level converter | |
| CN203055147U (en) | Meter reading collector with switching power supply and power line carrier transceiving gain | |
| CN103199847A (en) | Bi-directional level switching circuit and electronic product | |
| CN203984753U (en) | A kind of illumination control apparatus | |
| CN102062799B (en) | Vehicle mounted electrical isolation measuring circuit | |
| CN203027214U (en) | Radio-frequency adjustable attenuator | |
| CN103209270B (en) | Mainframe of medical communication calling device | |
| CN101694995B (en) | Passive RS232-485 signal converter | |
| CN108809293A (en) | A kind of voltage adaptive digital input circuit | |
| CN102681449B (en) | A kind of switching value input circuit of engineering machinery nonshared control unit | |
| CN203661030U (en) | Electrical level switching circuit and circuit board having same | |
| CN203287403U (en) | Signal wiring device | |
| CN204836546U (en) | Integrated form audio signal player | |
| CN202135150U (en) | Bus-type electric current loop communication circuit | |
| CN102231930B (en) | Light-control digital interface circuit | |
| CN203368438U (en) | Level conversion device for bidirectional communication and intelligent TV set | |
| CN103914014A (en) | System for self-adaptively recognizing and collecting automobile switch signals | |
| CN203520836U (en) | Backlight driving circuit and liquid crystal display device | |
| CN202914850U (en) | Modified proportional valve drive return circuit | |
| CN201707378U (en) | High-accuracy linear isolating circuit based on common optical coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |