CN201035357Y - Feeder line distant place terminal - Google Patents
Feeder line distant place terminal Download PDFInfo
- Publication number
- CN201035357Y CN201035357Y CNU2007201039447U CN200720103944U CN201035357Y CN 201035357 Y CN201035357 Y CN 201035357Y CN U2007201039447 U CNU2007201039447 U CN U2007201039447U CN 200720103944 U CN200720103944 U CN 200720103944U CN 201035357 Y CN201035357 Y CN 201035357Y
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- CN
- China
- Prior art keywords
- central processing
- processing unit
- control
- feeder line
- utility
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- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a control terminal, in particular to a feed line remote terminal, and the utility model is characterized in that the feed line remote terminal comprises an intelligent chip; a principal machine central processing unit and a control display central processing unit are arranged on the intelligent chip, and the principal machine central processing unit and the control display central processing unit are connected by an asynchronous communication port, the control display central processing unit is connected with a big screen liquid crystal display; and the principal machine central processing unit is respectively connected with an analog quantity signal acquisition circuit, a switching value input signal acquisition circuit, a relay operating control circuit and a communication control circuit. Compared with the prior art, the utility model has the advantages of reasonable design, simple structure, high control precision, quick speed, universal function, convenient use, etc.
Description
Technical field
The utility model relates to a kind of control terminal, and a kind of feeder line terminal unit specifically is provided.
Background technology
Under the prior art, the control terminal that is used for the distribution feeder loop mostly is single central processing unit configuration, and its control accuracy is low, speed is slow, and its screen display content is simple, is unfavorable for carrying out control and management.
Summary of the invention
The utility model is at above deficiency, and a kind of reasonable in design, simple in structure, control accuracy is high, speed is fast, multiple functional, easy to use feeder line terminal unit is provided.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of feeder line terminal unit, comprise intelligent chip, described intelligent chip is provided with host cpu and shows the control central processing unit, described host cpu is connected by the asynchronous communication port with demonstration control central processing unit, described demonstration control central processing unit connects big screen LCD, and described host cpu connects analog quantity signal acquisition circuit, switching value input signal Acquisition Circuit, actuating of relay control circuit and communication control circuit respectively.
Communication control circuit is RS485 bus or CAN bus.
Show that the control central processing unit connects communication interface.
Compared with prior art, a kind of feeder line terminal unit of the present utility model, have reasonable in design, simple in structure, control accuracy is high, speed is fast, characteristics such as multiple functional, easy to use, its switching value input signal Acquisition Circuit adopts the secondary isolation technology, software adopts and goes dither technique and state voting method, has guaranteed the real-time and the accuracy of remote signalling; Complete machine adopts host cpu and shows the bi-processor architecture of control central processing unit, host cpu adopts 32 fixed DSPs, the analog signals Acquisition Circuit is measured and is adopted high-precision high-speed a/d, and is aided with the online compensation technology, has higher precision and speed; Software can be realized actuating of relay control circuit output locking, but anti-misoperation has self-diagnostic function.The optional RS485 bus of telecontrol communication, the CAN bus mode of device can be carried out the parameter setting by local RS232 communication interface (using portable computer) or distant place communication.
Description of drawings
Fig. 1 is a kind of structural principle block diagram of feeder line terminal unit.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
A kind of feeder line terminal unit, comprise intelligent chip, described intelligent chip is provided with host cpu and shows the control central processing unit, described host cpu is connected by the asynchronous communication port with demonstration control central processing unit, described demonstration control central processing unit connects big screen LCD, and described host cpu connects analog quantity signal acquisition circuit, 26DI switching value input signal Acquisition Circuit, 13RO actuating of relay control circuit and CAN/RS485 communication control circuit respectively.
Show that wherein the control central processing unit also connects the RS232 communication interface.
A kind of feeder line terminal unit of the present utility model, adopt the input of direct current 24VDC power supply, adopt the DC/DC power supply of isolating, convert thereof into multi-voltage grade (the electronic circuit work of+5V/+9V/-9V/24V) out-put supply feedway of certain power, guarantee the independence of each functional module aspect power supply, improved the reliability of circuit.Its intelligent chip has adopted the pattern of two central processing unit managed together simultaneously: TMS320F2812 (host cpu) and C8051F126 carry out data transmission with asynchronous communication mode between (showing the control central processing unit).
At first, C8051F126 (show control central processing unit) finishes the demonstration control of the big screen LCD of 240*128 lattice structure and the status scan and the function treatment of panel button; Wherein, show that an asynchronous communication mouth of control central processing unit inside is used for finishing the serial communication function of external RS232 communication interface, finish this locality (using portable computer) and carry out parameter setting and other function of moving, safeguarding; Another asynchronous communication mouth is used for finishing with TMS320F2812 (host cpu) and carries out data transmission; Utilize the inner jumbo RAM of central processing unit can finish the full frame on-the-spot service chart of checking, and can realize the unique processing technology of comparatively complicated online downloading-running figure, thereby provide convenience, information reference intuitively to the user.
Secondly, TMS320F2812 (host cpu) finishes the control function of control, CAN and RS485 communication of collection, the 13RO actuating of relay of collection, the 26DI switching value input signal of analog signals:
1, the collection of analog signals: under 5 maximum double-bus situations in switch loop, 6 road required alternating voltages have carried out Signal Spacing and conversion by 6 secondary PT, form AD by signal conditioning circuit and gather acceptable voltage signal; 5 maximum 15 road alternating currents in switch loop have carried out Signal Spacing and conversion by 15 secondary CT, form AD by signal conditioning circuit and gather acceptable voltage signal; 2 tunnel DC voltage form AD through signal conditioning circuit and gather acceptable voltage signal; Last central processing unit special-purpose AD fast to this speed, that precision is high carries out control corresponding, finishes whole collecting work, and carries out corresponding software processes process.
2, the collection of 26DI switching value input signal: 5 switch loops are (as correlation behavior such as the closing of switch, gate-dividing state signal or ground state or air pressure is low, or maximum 4 road pulsed quantities inputs) maximum 26 way switch amount input signals, through overdriving and buffer circuit, 26 way switch amount input state signals are changed into central processing unit acceptable signal, by central processing unit these status signals are scanned then, finish whole collecting work, and carry out corresponding software processes process.
3, the control of the 13RO actuating of relay: control the control of the on/off switch coil in 5 switch loops or other control action or standby 13 actuatings of relay at most, be to send actuating signal by central processing unit, convert control signal the signal of pilot relay actuation coil to by driving circuit, thereby finish the control of 13 actuatings of relay.
4, communication interface RS485, CAN:, then, cooperate suitable driving circuit and externally carry out communication work in the mode of light-coupled isolation by CAN interface and 1 asynchronous communication mouth of central processing unit inside.
5, with the communication of C8051F126 (show control central processing unit): 1 the asynchronous communication mouth in addition by central processing unit inside with show the communication of control central processing unit, finish exchanges data and corresponding management between them.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (3)
1. feeder line terminal unit, comprise intelligent chip, it is characterized in that, described intelligent chip is provided with host cpu and shows the control central processing unit, described host cpu is connected by the asynchronous communication port with demonstration control central processing unit, described demonstration control central processing unit connects big screen LCD, and described host cpu connects analog quantity signal acquisition circuit, switching value input signal Acquisition Circuit, actuating of relay control circuit and communication control circuit respectively.
2. a kind of feeder line terminal unit according to claim 1 is characterized in that, described communication control circuit is RS485 bus or CAN bus.
3. a kind of feeder line terminal unit according to claim 1 is characterized in that, described demonstration control central processing unit connects communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201039447U CN201035357Y (en) | 2007-03-23 | 2007-03-23 | Feeder line distant place terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201039447U CN201035357Y (en) | 2007-03-23 | 2007-03-23 | Feeder line distant place terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201035357Y true CN201035357Y (en) | 2008-03-12 |
Family
ID=39196249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201039447U Expired - Fee Related CN201035357Y (en) | 2007-03-23 | 2007-03-23 | Feeder line distant place terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201035357Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271445A (en) * | 2010-06-07 | 2011-12-07 | 陈家斌 | Intelligent power-supply control system of street lamps |
| CN102340172A (en) * | 2010-06-05 | 2012-02-01 | 陈家斌 | Intelligent control system for distribution network |
| CN102340176A (en) * | 2010-07-14 | 2012-02-01 | 陈家斌 | Remote intelligent control device for 10-20kV building power supply |
| CN106886181A (en) * | 2017-03-07 | 2017-06-23 | 湖南大学 | A kind of urban track traffic power network Feeder Terminal Unit control method |
-
2007
- 2007-03-23 CN CNU2007201039447U patent/CN201035357Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340172A (en) * | 2010-06-05 | 2012-02-01 | 陈家斌 | Intelligent control system for distribution network |
| CN102340172B (en) * | 2010-06-05 | 2013-10-16 | 陈家斌 | Intelligent control system for distribution network |
| CN102271445A (en) * | 2010-06-07 | 2011-12-07 | 陈家斌 | Intelligent power-supply control system of street lamps |
| CN102340176A (en) * | 2010-07-14 | 2012-02-01 | 陈家斌 | Remote intelligent control device for 10-20kV building power supply |
| CN102340176B (en) * | 2010-07-14 | 2013-09-18 | 陈家斌 | Remote intelligent control device for 10-20kV building power supply |
| CN106886181A (en) * | 2017-03-07 | 2017-06-23 | 湖南大学 | A kind of urban track traffic power network Feeder Terminal Unit control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Feeder line distant place terminal Effective date of registration: 20100925 Granted publication date: 20080312 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing ESD Power Communications Co., Ltd. Registration number: 2010990000898 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20110929 Granted publication date: 20080312 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing ESD Power Communications Co., Ltd. Registration number: 2010990000898 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Feeder line distant place terminal Effective date of registration: 20111018 Granted publication date: 20080312 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing ESD Power Communications Co., Ltd. Registration number: 2011990000390 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20140323 |