CN205987449U - Centralized control multichannel direct current constant current source - Google Patents
Centralized control multichannel direct current constant current source Download PDFInfo
- Publication number
- CN205987449U CN205987449U CN201620538014.3U CN201620538014U CN205987449U CN 205987449 U CN205987449 U CN 205987449U CN 201620538014 U CN201620538014 U CN 201620538014U CN 205987449 U CN205987449 U CN 205987449U
- Authority
- CN
- China
- Prior art keywords
- current source
- constant
- master control
- main control
- control board
- 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
- Control Of Voltage And Current In General (AREA)
Abstract
The utility model relates to a centralized control multichannel direct current constant current source. Including main control board and a plurality of groups constant current source, every group constant current source comprises ten way constant -current source circuits, and wherein the constant -current source circuit has the relaying function all the way, can accept the setting parameters and the control information of main control board to send setting parameters and control information to all the other nine way constant -current source circuits, reach the main control board on the state of gathering self and all the other nine way constant -current source circuits and the real -time electric current, the main control board includes main control board MCU, main control board MCU is connected with main control board LCD, main control board keyboard, main control board RS485 interface I and main control board RS485 interface II, the constant -current source circuit of the same kind that has the relaying function in main control board RS485 interface II and the every group constant current source is connected. The utility model discloses simple structure, convenient operation, control accuracy is high, can realize the control of multichannel constant current source, and a plurality of groups constant current source can be controlled to the main control board, accomplishes the setting of every constant current source running state of group and parameter, gathers every constant current source real -time status of group and electric current and shows, and work efficiency is high.
Description
Technical field
This utility model is related to a kind of DC constant current power supply, more particularly, to a kind of centralized Control multi-channel DC constant-current source.
Background technology
Constant-current source is the power supply that can provide constant current to load, the extensive application of modern electronic technology, and it is right to promote
The demand of constant-current source.In LED illumination application, LED is high to the sensitivity of electric current, in LED illumination industry, to LED
Degradation be requisite one production routine, typically the aging of LED is realized using constant current source power supply mode
Test, existing equipment detection station is few, and control accuracy is low, inconvenient operation, inefficiency.
Utility model content
For drawbacks described above, the purpose of this utility model is to provide a kind of control accuracy high, is capable of multiple constant current
Source controls, a kind of easy to operate, centralized Control multi-channel DC constant-current source of high working efficiency.
Be employed technical scheme comprise that by this this utility model：
Including master control borad and some groups of constant-current sources, described every group of constant-current source is made up of ten road constant-current source circuits, wherein one tunnel
Constant-current source circuit has relay function, can accept arrange parameter and the control information of master control borad, and by arrange parameter and control
Information sends to remaining nine road constant-current source circuit, gathers itself and uploads with the state of remaining nine road constant-current source circuit and real-time current
To master control borad, described master control borad includes master control borad MCU, and described master control borad MCU is connected with master control borad LCD, master control borad keyboard, master control
In plate RS485 interface I and master control borad RS485 interface II, described master control borad RS485 interface II and every group of constant-current source, there is relaying work(
Neng mono- road constant-current source circuit is connected.
Further, described every road constant-current source circuit includes MCU and the current rectifying and wave filtering circuit being sequentially connected, HF switch, change
Pressure current rectifying and wave filtering circuit, current collector and current output terminal, described HF switch is connected with PWM driver, described electricity
Stream harvester and current output terminal are connected with PWM driver and MCU respectively, set between described MCU and PWM driver
There is setting electric current D/A converter, described current rectifying and wave filtering circuit is connected with civil power, and described MCU is connected with LCD, keyboard and RS485 and connects
Mouth I, the MCU wherein with a road constant-current source circuit of relay function are also associated with RS485 interface II, described RS485 interface II
Send arrange parameter and control information, the arrange parameter that described RS485 interface I acceptance sends to remaining nine road constant-current source circuit
And control information.
Further, described city is electrically connected with accessory power supply.
The utility model has the advantages that：
This utility model structure is simple, easy to operate, and control accuracy is high, is capable of multiple constant current source and controls, master control borad
Some groups of constant-current sources can be controlled, complete the setting of every group of constant-current source running status and parameter, the real-time shape of every group of constant-current source of collection
State and electric current simultaneously show, high working efficiency.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of constant-current source circuit.
Specific embodiment
A kind of centralized Control multi-channel DC constant-current source, including master control borad and some groups of constant-current sources, described every group of constant-current source by
Ten road constant-current source circuits compositions, wherein one road constant-current source circuit has relay function, can accept master control borad arrange parameter and
Control information, and arrange parameter and control information are sent to remaining nine road constant-current source circuit, gather itself permanent with remaining nine road
The state of current source circuit and real-time current are uploaded to master control borad, and described master control borad includes master control borad MCU, and described master control borad MCU is even
It is connected to master control borad LCD, master control borad keyboard, master control borad RS485 interface I and master control borad RS485 interface II, described master control borad RS485
Interface II is connected with a road constant-current source circuit in every group of constant-current source with relay function；Described every road constant-current source circuit includes
MCU and the current rectifying and wave filtering circuit being sequentially connected, HF switch, Transformer Rectifier filter circuit, current collector and current output terminal,
Described HF switch is connected with PWM driver, described current collector and current output terminal respectively with PWM driver
Connect with MCU, between described MCU and PWM driver, be provided with setting electric current D/A converter, described current rectifying and wave filtering circuit connects
There is civil power, described MCU is connected with LCD, keyboard and RS485 interface I, wherein there is a road constant-current source circuit of relay function
MCU is also associated with RS485 interface II, and described RS485 interface II sends arrange parameter and control to remaining nine road constant-current source circuit
Information, described RS485 interface I accepts arrange parameter and the control information sending；Described city is electrically connected with accessory power supply.
Master control borad can be used cooperatively with computer software, completes computer to the parameter setting of whole constant-current source, state control
System, operational factor inquiry and preservation etc..
Claims (3)
1. a kind of centralized Control multi-channel DC constant-current source is it is characterised in that include master control borad and some groups of constant-current sources, described every group
Constant-current source is made up of ten road constant-current source circuits, and wherein one road constant-current source circuit has relay function, can accept setting of master control borad
Put parameter and control information, and arrange parameter and control information are sent to remaining nine road constant-current source circuit, gather itself and its
Remaining the state of nine road constant-current source circuits and real-time current is uploaded to master control borad, described master control borad includes master control borad MCU, described master control
Plate MCU is connected with master control borad LCD, master control borad keyboard, master control borad RS485 interface I and master control borad RS485 interface II, described master control
Plate RS485 interface II is connected with a road constant-current source circuit in every group of constant-current source with relay function.
2. a kind of centralized Control multi-channel DC constant-current source according to claim 1 is it is characterised in that described every road constant-current source
Circuit includes MCU and the current rectifying and wave filtering circuit being sequentially connected, HF switch, Transformer Rectifier filter circuit, current collector and electricity
Stream outfan, described HF switch is connected with PWM driver, described current collector and current output terminal respectively with PWM
Modulating driver and MCU connect, and are provided with setting electric current D/A converter, described rectification filter between described MCU and PWM driver
Wave circuit is connected with civil power, and described MCU is connected with LCD, keyboard and RS485 interface I, wherein has a road constant current of relay function
The MCU of source circuit is also associated with RS485 interface II, and described RS485 interface II sends setting ginseng to remaining nine road constant-current source circuit
Number and control information, described RS485 interface I accepts arrange parameter and the control information sending.
3. a kind of centralized Control multi-channel DC constant-current source according to claim 2 is it is characterised in that described city is electrically connected with
Accessory power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538014.3U CN205987449U (en) | 2016-06-06 | 2016-06-06 | Centralized control multichannel direct current constant current source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538014.3U CN205987449U (en) | 2016-06-06 | 2016-06-06 | Centralized control multichannel direct current constant current source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205987449U true CN205987449U (en) | 2017-02-22 |
Family
ID=58020586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538014.3U Active CN205987449U (en) | 2016-06-06 | 2016-06-06 | Centralized control multichannel direct current constant current source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205987449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236374A (en) * | 2022-09-21 | 2022-10-25 | 广州思林杰科技股份有限公司 | Miniaturized programmable power supply and power supply output method thereof |
-
2016
- 2016-06-06 CN CN201620538014.3U patent/CN205987449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236374A (en) * | 2022-09-21 | 2022-10-25 | 广州思林杰科技股份有限公司 | Miniaturized programmable power supply and power supply output method thereof |
| CN115236374B (en) * | 2022-09-21 | 2022-12-27 | 广州思林杰科技股份有限公司 | Miniaturized programmable power supply and power supply output method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210181455U (en) | FFU group control system | |
| CN205987449U (en) | Centralized control multichannel direct current constant current source | |
| CN105246215A (en) | LED driving power supply with bluetooth remote control | |
| CN103220856A (en) | Self-adapting light emitting diode (LED) driving power circuit | |
| CN204964720U (en) | Multiway switch power module centralized monitoring device that area keeps apart | |
| CN209590244U (en) | A kind of direct current feedback electronic load | |
| CN202434187U (en) | Adjusting circuit for backlight brightness of LED | |
| CN201550334U (en) | Half-bridge switch power supply circuit capable of outputting two paths of constant current sources | |
| CN207969048U (en) | A kind of DC synchronous control system | |
| CN203039985U (en) | A LED change-over switch circuit using AC sectional driving technology | |
| CN109459709A (en) | A kind of direct current feedback electronic load | |
| CN205232515U (en) | Light -emitting diode (LED) driving circuit | |
| CN204408368U (en) | Adopt the network equipment of low-voltage DC supply | |
| CN204462354U (en) | Full-automatic power supply comprehensive detector | |
| CN210986531U (en) | High-power UV-L ED power supply multi-path output control system | |
| CN107466127A (en) | A kind of centralized Control multi-channel DC constant-current source | |
| CN204392938U (en) | A kind of intelligent plant light compensation system | |
| CN203301535U (en) | Controller wireless communication system based on Zigbee and GPRS | |
| CN201976115U (en) | Communication circuit | |
| CN203368842U (en) | A LED driving circuit | |
| CN208028790U (en) | A kind of high frequency electric source of intelligent control | |
| CN203120220U (en) | Led power source | |
| CN202663296U (en) | Boost converter suitable for low-voltage lamp string load connection | |
| CN204945240U (en) | A kind of electric automobile metering electric energy meter device | |
| CN202190449U (en) | LED central DC power supply cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |