CN207801777U - A kind of intelligence high-precision adjustable multi-channel output power supply circuit - Google Patents
A kind of intelligence high-precision adjustable multi-channel output power supply circuit Download PDFInfo
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- CN207801777U CN207801777U CN201721671766.8U CN201721671766U CN207801777U CN 207801777 U CN207801777 U CN 207801777U CN 201721671766 U CN201721671766 U CN 201721671766U CN 207801777 U CN207801777 U CN 207801777U
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Abstract
The utility model provides a kind of intelligent high-precision adjustable multi-channel output power supply circuit, belongs to power circuit field.The utility model includes rectification module, power module, pre- steady adjustment module, drive module for driving pre- steady adjustment module, Serial regulation module, drive control module for driving Serial regulation module, multiple power supplies output module, control module, wherein, alternating current distinguishes rectified module, pre- steady adjustment module, after the adjustment of Serial regulation module, it is exported by multiple power supplies output module, the power module input terminal is electrically connected with city, output end is connected with control module, the control module is connected with drive module and drive control module respectively, the Serial regulation module includes multi-channel linear adjustment unit, the multiple power supplies output module includes plurality of voltages output unit, the Serial regulation unit is connected with voltage output unit all the way respectively.The utility model can output multi-channel supply voltage, meet the needs of different electrical equipments.
Description
Technical field
The utility model is related to a kind of power circuit more particularly to a kind of intelligent high-precision adjustable multi-channel out-put supply electricity
Road.
Background technology
With the continuous development of electronic market, all kinds of electrical equipments are more and more, and the requirement to power supply is also higher and higher.Mesh
Before, power supply purposes is single, output voltage, current precision are unstable, poor anti jamming capability, and single channel output current, voltage value are
Growing technical need cannot be met.Power supply in the market is designed according to certain specific electrical equipment, unrestrained in this way
A large amount of resource is taken.In the epoch that this is particular about resource rational utilization and low-carbon life, a kind of high-precision adjustable multi-channel is developed
The power supply of output will solve many problems.
Utility model content
To solve the problems of the prior art, the utility model provides a kind of intelligent high-precision adjustable multi-channel out-put supply electricity
Road is independently exported per road power supply, to realize the multipurpose of power supply.
The utility model includes rectification module, power module, pre- steady adjustment module, the drive for driving pre- steady adjustment module
Dynamic model block, Serial regulation module, the drive control module for driving Serial regulation module, multiple power supplies output module, control
Module, wherein after alternating current distinguishes rectified module, pre- steady adjustment module, the adjustment of Serial regulation module, exported by multiple power supplies
Module exports, and the power module input terminal is electrically connected with city, and output end is connected with control module, the control module respectively with
Drive module is connected with drive control module, and the Serial regulation module includes multi-channel linear adjustment unit, the multiple power supplies
Output module includes plurality of voltages output unit, and the Serial regulation unit is connected with voltage output unit all the way respectively.
The utility model is further improved, and further includes the current detection module for detecting every road output current, setting
Between the Serial regulation module and multiple power supplies output module, the current detection module is connected with drive control module.
The utility model is further improved, and further includes the voltage detection module for detecting every road output voltage, described
Voltage detecting circuit is connected with multiple power supplies output module and control module respectively.
The utility model is further improved, and further includes alarm module, the alarm module input terminal and current detecting mould
Block and/or voltage detection module are connected, and the alarm module output end is connected with control module.
The utility model is further improved, and the alarm module includes comparator and alarm, when the signal ratio of detection
When reference signal is high, the comparator output is 1, and sends a signal to control system, alarm equipment alarm, otherwise, comparator
Output is 0.
The utility model is further improved, and further includes filter module, and the filter module is arranged in pre- steady adjustment module
Between Serial regulation module.
The utility model is further improved, and the rectification module is by rectifier that AC conversion is direct current.
The utility model is further improved, and the rectification module further includes the isolating transformer that alternating current is isolated.
The utility model is further improved, and the isolating transformer does not have the 1 of potential difference using between secondary and ground:1
Isolating transformer.
The utility model is further improved, and the control module is programmable MCU microcontrollers, including ARM processing
Device, crystal oscillating circuit and reset circuit, the crystal oscillating circuit and reset circuit are connected with arm processor respectively.
Compared with prior art, the utility model has the beneficial effects that：Can output multi-channel supply voltage, meet different use
The demand of electric equipment；Using control module as multiple power supplies core, the high speed of microcontroller is taken full advantage of, high-precision, instruction
The superior functions such as abundant, every group can individually output signal, independent output voltage current control, so that output voltage electric current is realized
Intelligence has many advantages, such as that accuracy is high, stable and reliable for performance, small, voltage and current adjusting is wide.
Description of the drawings
Fig. 1 is one example structure schematic diagram of the utility model；
Fig. 2 is isolating transformer fundamental diagram；
Fig. 3 is pre- steady adjustment module circuit schematic；
Fig. 4 is Serial regulation element circuit schematic diagram all the way in Serial regulation module.
Specific implementation mode
The utility model is described in further details with reference to the accompanying drawings and examples.
The utility model high-precision adjustable multi-channel out-put supply, it is independent to realize the multipurpose of power supply per road, it can not only
Enough reduce increasingly serious problem of environmental pollution, additionally it is possible to reduce the financial burden for consumer, various resources is made to obtain adequately
It utilizes.
As shown in Figure 1, the utility model include rectification module, power module, pre- steady adjustment module, for driving pre- steady tune
The drive module of mould preparation block, Serial regulation module, the drive control module for driving Serial regulation module, multiple power supplies output
Module, control module, wherein after alternating current distinguishes rectified module, pre- steady adjustment module, the adjustment of Serial regulation module, by more
Road power supply output module output, the power module input terminal are electrically connected with city, and output end is connected with control module, the control
Module is connected with drive module and drive control module respectively, and the Serial regulation module includes multi-channel linear adjustment unit, institute
It includes plurality of voltages output unit to state multiple power supplies output module, the Serial regulation unit respectively with voltage output unit all the way
It is connected.This example is equipped with 4 tunnel voltage output units, likewise, the Serial regulation unit is also 4 tunnels.
Modules are illustrated separately below.
Power module：As the working power and reference voltage source of this power circuit, 90-264V AC are inputted by alternating current, are turned
Become direct current+12V ,+5V ,+3.3V etc..Wherein, this example by transformer frequency conversion be depressured after, export stable supply voltage+
12V gives drive module, drive control module and pre- steady adjustment module for power supply.
Rectification module：The AC conversion of alternating current at direct current electricity output, wherein the rectification module of this example further includes isolation
The isolating transformer of alternating current, it is preferable that as shown in Fig. 2, the isolating transformer does not have potential difference using between secondary and ground
1:1 isolating transformer, it is therefore intended that reduce the various interference in alternating current, do not have between ground simultaneously because isolating transformer is secondary
Potential difference uses fool proof.
Pre- steady adjustment module：By direct current by voltage boosting and stabilizing circuit voltage stabilization in DC 380V.
Drive module：The control signal of control module is received, bootstrapping amplification drive signal is connected with metal-oxide-semiconductor, described in driving
Pre- steady adjustment module.
Serial regulation module：This example is equipped with 4 linear adjustment units, and the letter of drive control module is individually received per road
Number, the PWM drive signal of this example can be unfolded from 0--90%, and voltage, the electric current to realize output are linearly adjustable.
Drive control module：The control signal of control module is received, bootstrapping amplification drive signal is connected with metal-oxide-semiconductor, drives
The Serial regulation module.
Control module：It is the multiple power supplies control core of entire power circuit, the control module is that programmable MCU is micro-
Controller ((Microcontroller Unit；Micro-control unit), including arm processor, crystal oscillating circuit and reset circuit, institute
It states crystal oscillating circuit and reset circuit is connected with arm processor respectively.
Operating voltage+the 5V and+3.3V of the programmable MCU microcontrollers (ST32) of this example are provided by power module, voltage
The sampling electric signal of detection module is sent to MCU microcontrollers (ST32) analyzing processing, and MCU microcontrollers (ST32) are through analyzing processing
Backsight voltage, size of current promptly and accurately make reflection：It is followed successively by：1. directly being compensated by Serial regulation module, 2. through driving
Dynamic control module adjusts voltage output, 3. adjusts voltage output through drive module.Since MCU microcontrollers (ST32) reflect speed
Soon, the response time is short, so can realize output voltage, current balance type in a short time.
This example, as multiple power supplies core, takes full advantage of the high speed of the microcontroller using microcontroller, high-precision, instruction
The superior functions such as abundant, every group individually output signal, independent output voltage current control can be such that output voltage electric current realizes
Intelligence has many advantages, such as that accuracy is high, stable and reliable for performance, small, voltage and current adjusting is wide.
In addition, this example further includes filter module, the filter module is arranged in pre- steady adjustment module and Serial regulation module
Between.For being filtered by capacitance resistance.
In order to improve the stability of this example, this example power circuit further includes the current detecting for detecting every road output current
Module is arranged between the Serial regulation module and multiple power supplies output module, the current detection module and drive control
Module is connected, so that curent change is timely and accurately fed back to drive control circuit.
This example further includes the voltage detection module for detecting every road output voltage, the voltage detecting circuit respectively with it is more
Road power supply output module is connected with control module, and detection output voltage variation is converted by A/D (analog-to-digital conversion), is transmitted to
MCU microcontrollers.
In order to which the overcurrent-overvoltage etc. to entire power circuit is protected, this example power circuit further includes alarm module, institute
It states alarm module input terminal with current detection module and/or voltage detection module to be connected, the alarm module output end and control
Module is connected.When working as overvoltage, overcurrent or too high temperature, warning circuit can all make differential responses, while alarm signal
MCU microcontrollers (ST32) number are sent to, MCU microcontrollers (ST32) make interruption reflection, and power supply is stopped.
Method of the alarm module using number relatively, including comparator and alarm, when the signal of detection compares benchmark
When signal is high, the comparator output is 1, and sends a signal to control system, alarm equipment alarm, otherwise, comparator output
It is 0.By taking voltage as an example, the reference voltage of alarm is benchmark voltage by output voltage (MCU microcontrollers ST32 settings), when
When the voltage signal detected is higher than reference voltage, comparator output is 1 (otherwise output is 0), while alarm module is signal
MCU microcontrollers (ST32) are sent to, MCU microcontrollers (ST32) are reacted after receiving interrupt signal, and power supply is stopped.
The alarm of this example can be the acousto-optic-electric warning devices such as indicator light or buzzer.
As shown in figure 3, alternating current, after isolating transformer subtracts dry rectification, into pre- steady adjustment module, the work of this module is former
Reason is：
MCU microcontrollers receive the signal of output voltage electric current, export suitable PWM pulsewidths and drive, in driving plate
Drive module circuit exports required voltage, electric current to control metal-oxide-semiconductor Q1, to keep the stabilization of system.Specific work
Make as follows：
MCU microcontrollers send out pwm signal, and driving driving partitioned signal is amplified, when control metal-oxide-semiconductor Q1 is connected, due to
Diode D1 cannot reversely lead energy, and electric energy is formed into a loop via inductance L1, metal-oxide-semiconductor Q1, and electric current block in inductance is converted into magnetic energy
Storage；When metal-oxide-semiconductor Q1 shutdowns, the magnetic energy in inductance L1 is converted into electric energy and is bearing the right side just on the ends an inductance L1 left side, this voltage superposition has defeated
Enter both ends, be formed into a loop via diode D1, capacitance C2, load, complete boost function, capacitance C2 both end voltages are stablized
380V can power to load continuous.
Wherein thermistor TH1, diode D2 starting moments prevent surge current excessive, and capacitance C1 act as filtering.
As shown in figure 4, this example control is adjusted after voltage be filtered after, into identical including 4 line structures
The Serial regulation module of Serial regulation unit, Fig. 4 are the wherein part of Serial regulation unit all the way, wherein Vi1 connects a grade circuit
Output, Vi2 are the reference voltages that drive control circuit provides, and U1A, U1B are voltage follower, and input, output voltage are kept not
Become, input impedance is very big, output impedance very little, and anti-stop signal generates interference.U1C is amplifier, and wherein Rw is adjustable resistance, is changed
Output voltage can be changed by becoming RW resistance values, and V+, V- are output voltage, and U1D is comparator, when the voltage of output voltage V+, V- are high
Voltage is set in output, debugging RW resistance is invalid.Due to there is the output of 4 tunnels, so it is only to need 4 or more Serial regulation units
Vertical work, then passes through current detection module output voltage.
The specific implementation mode of the above is the better embodiment of the utility model, and it is new not to limit this practicality with this
The specific implementation range of type, the scope of the utility model includes being not limited to present embodiment, all according to the utility model
Made by equivalence changes it is within the protection scope of the present utility model.
Claims (10)
1. a kind of intelligence high-precision adjustable multi-channel output power supply circuit, it is characterised in that：Including rectification module, power module, pre-
Steady adjustment module, the drive module for driving pre- steady adjustment module, Serial regulation module, for driving Serial regulation module
Drive control module, multiple power supplies output module, control module, wherein alternating current distinguish rectified module, pre- steady adjustment module,
It after the adjustment of Serial regulation module, is exported by multiple power supplies output module, the power module input terminal is electrically connected with city, output
End is connected with control module, and the control module is connected with drive module and drive control module respectively, the Serial regulation mould
Block includes multi-channel linear adjustment unit, and the multiple power supplies output module includes plurality of voltages output unit, the Serial regulation
Unit is connected with voltage output unit all the way respectively.
2. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 1, it is characterised in that：Further include being used for
Current detection module of the detection per road output current, is arranged between the Serial regulation module and multiple power supplies output module,
The current detection module is connected with drive control module.
3. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 2, it is characterised in that：Further include being used for
Voltage detection module of the detection per road output voltage, the voltage detection module respectively with multiple power supplies output module and control mould
Block is connected.
4. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 3, it is characterised in that：It further include alarm
Module, the alarm module input terminal are connected with current detection module and/or voltage detection module, the alarm module output end
It is connected with control module.
5. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 4, it is characterised in that：The alarm mould
Block includes comparator and alarm, and when the signal of detection is higher than reference signal, the comparator output is 1, and signal is sent out
Control system is given, alarm equipment alarm, otherwise, comparator output are 0.
6. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 1, it is characterised in that：Further include filtering
Module, the filter module are arranged between pre- steady adjustment module and Serial regulation module.
7. according to claim 1-6 any one of them intelligence high-precision adjustable multi-channel output power supply circuits, it is characterised in that：Institute
It is by rectifier that AC conversion is direct current to state rectification module.
8. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 7, it is characterised in that：The rectification mould
Block further includes the isolating transformer that alternating current is isolated.
9. intelligence high-precision adjustable multi-channel output power supply circuit according to claim 8, it is characterised in that：The isolation becomes
Depressor does not have the 1 of potential difference using between secondary and ground:1 isolating transformer.
10. according to claim 1-6 any one of them intelligence high-precision adjustable multi-channel output power supply circuits, it is characterised in that：
The control module is programmable MCU microcontrollers, including arm processor, crystal oscillating circuit and reset circuit, the crystal oscillator electricity
Road and reset circuit are connected with arm processor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721671766.8U CN207801777U (en) | 2017-12-05 | 2017-12-05 | A kind of intelligence high-precision adjustable multi-channel output power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721671766.8U CN207801777U (en) | 2017-12-05 | 2017-12-05 | A kind of intelligence high-precision adjustable multi-channel output power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801777U true CN207801777U (en) | 2018-08-31 |
Family
ID=63282663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721671766.8U Active CN207801777U (en) | 2017-12-05 | 2017-12-05 | A kind of intelligence high-precision adjustable multi-channel output power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801777U (en) |
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2017
- 2017-12-05 CN CN201721671766.8U patent/CN207801777U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180910 Address after: 518000 Guangdong, Shenzhen, Nanshan District Xili street, Shahe West Road, Bai Mong village, South 1, A 330, Bai Wang mansion. Patentee after: Shenzhen Qun Zheng Electronics Technology Co., Ltd. Address before: 518000 6, 5 Nangang Second Industrial Park, 1026 West Li Song Bai Road, Nanshan District, Shenzhen, Guangdong. Patentee before: Shenzhen Parwa Technology Company Limited |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190326 Address after: 518000 Guangdong, Shenzhen, Nanshan District Xili street, Shahe West Road, Bai Mong village, South 1, A 330, Bai Wang mansion. Patentee after: Shenzhen Huayuan Technology Industry Co., Ltd. Address before: 518000 Guangdong, Shenzhen, Nanshan District Xili street, Shahe West Road, Bai Mong village, South 1, A 330, Bai Wang mansion. Patentee before: Shenzhen Qun Zheng Electronics Technology Co., Ltd. |
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| TR01 | Transfer of patent right |