CN202394073U - Intelligent measuring and controlling device for high-voltage transformer body - Google Patents
Intelligent measuring and controlling device for high-voltage transformer body Download PDFInfo
- Publication number
- CN202394073U CN202394073U CN2011204766030U CN201120476603U CN202394073U CN 202394073 U CN202394073 U CN 202394073U CN 2011204766030 U CN2011204766030 U CN 2011204766030U CN 201120476603 U CN201120476603 U CN 201120476603U CN 202394073 U CN202394073 U CN 202394073U
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- transformer body
- control device
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Abstract
The utility model provides an intelligent measuring and controlling device for a high-voltage transformer body. The device comprises a central processing unit (CPU), a communication board, and a power board connected with the communication board, wherein the input ends of the CPU and the communication board are connected with a semaphore input board for detecting the switching condition of a cooling system and a direct-current analog board for acquiring oil temperature and oil level data; and the output ends of the CPU and the communication board are connected with a semaphore output board. Through the device, contact relay devices such as contactors and relays in the conventional control circuit are reduced, and modules have small size, so that the size of a transformer body cabinet is reduced. Cables are saved, wiring is simple, and the reliability is improved; and the rotating speed of a fan can be changed in real time according to the load change, the oil temperature and the winding change of a transformer, so that electrical energy is saved, noise is reduced, the service life of the transformer can be prolonged, and the device meets the development requirement of an intelligent power grid.
Description
Technical field
The power high voltage transformer bulk state that belongs to the utility model detects and cooling system control field, particularly a kind of high-tension transformer body intelligent measuring and control device.
Background technology
High-tension transformer body cooling system adopts contact relay contactors such as contactor, relay to form mostly before this, realize the control to refrigeratory input or cut-out, and system constitutes comparatively complicated.And cooling device and external device (ED) adopt the cable hard connecting mode, cause the function of control system simple, and applicability is not strong, and reliability is on the low side, and construction is also inconvenient.
The application inventor through repetition test, finally designs high-tension transformer local intelligent measure and control device through the understanding to Power Electronic Technique, mechanics of communication and embedded technology.This device is can be directly big or small with rotating speed through the start-stop of the whole blower fans of RS485 communication modes control refrigeratory, can control oil pump state, possesses four road DC analogue quantity acquisition functions, can be through light, the electric Ethernet information uploading with all refrigeratorys.The use of this device can be simplified circuit and connect the raising reliability and stability, and system response time is also shorter, and the quantity of information of obtaining is also bigger, and saves a large amount of cables, fully satisfies the demand of intelligent grid.
The utility model content
The utility model provides a kind of high-tension transformer body intelligent measuring and control device; Status monitoring and control have been improved to high-tension transformer; Make that communicating by letter of primary equipment and secondary device is more reliable and more simplify the requirement of adaptation intelligent grid: measure digitizing, Control Networkization, status visualization, function integration, information interactionization, reduce field wiring; Let rotation speed of fan adjustable simultaneously, realize energy-conservation and noise reduction.
The technical scheme that the utility model adopted is: a kind of high-tension transformer body intelligent measuring and control device; Comprise CPU and communication board and the power panel that links to each other with CPU and communication board; The input end of said CPU and communication board is connected with the semaphore that detects cooling system switch situation and opens entering plate and the DC simulation template of gathering oil temperature, oil level data, and the output terminal of said CPU and communication board is connected with semaphore and leaves plate.
The CPU of said CPU and communication board mainly is made up of arm processor and FPGA; Said arm processor is connected with A/D modular converter, RAM reservoir, FLASH storer and timer; The upper end of said CPU and communication board is provided with the luminiferous ether network interface of uploading Information Monitoring and the electric Ethernet interface of tune-up data; Said CPU and communication board link to each other with the PLC device of lower floor through the RS485 connection; Said DC simulation template is a 4-20mA DC simulation template.
The utility model high-tension transformer body intelligent measuring and control device has the following advantages at least: the utility model has reduced contact relay devices such as contactor in original control loop, relay; The volume of module own is less, has saved the volume of transformer body cabinet.Save cable, wiring is simple, and reliability is improved; Can change according to transformer load, the gentle winding of transformer oil changes real time altering rotation speed of fan, not only saves energy; Noise-decreasing, and can prolong transformer's life span, meet the requirement of intelligent grid development.
Description of drawings
Fig. 1 is the structured flowchart of the utility model measure and control device;
Fig. 2 is the structural representation after the utility model measure and control device is installed on the circuit board.
Embodiment
Below in conjunction with accompanying drawing the utility model high-tension transformer body intelligent measuring and control device is done detailed description:
See also shown in Figure 1ly, the utility model high-tension transformer body intelligent measuring and control device comprises three parts, and ARM of first and FPGA constitute whole C PU unit; Second portion optical Ethernet communication unit to the backstage, and receives the control command on backstage with the information uploading of gathering, and the RS485 communication unit is connected the realization external control with the next PLC controller; Third part is made up of with opening into leaving template the analog acquisition plate.
The information processing part of the utility model is made up of arm processor and FPGA jointly; Can carry out a plurality of task handling simultaneously; Communication port is supported various communications protocols such as Modbus, and wherein, said arm processor is connected with A/D modular converter, RAM reservoir, FLASH storer and timer.
Below, please with reference to shown in Figure 2, the utility model intelligent measuring and control device comprises that power panel, the CPU that links to each other with power panel and communication board, the semaphore that links to each other with the input end of CPU and communication board leave entering plate and DC simulation template.
Wherein, said power panel is supported AC220V and DC220V for the power supply of The whole control device; The upper end of said CPU and communication board includes optical Ethernet interface and electric Ethernet interface; Wherein, Said optical Ethernet interface is used for giving upper strata IED device with the information uploading that receives; Said electric Ethernet is used for relevant information is debugged, the lower end of said CPU and communication board through terminal interface be connected on the PLC device after 485 connections link to each other.
Said semaphore is opened entering plate and is linked to each other with the cooling system of high-tension transformer and be used to detect the on off state of cooling system; Said DC simulation template is used to gather oil temperature, oil level and winding temperature.
See also shown in Figure 2ly, be the synoptic diagram of the utility model measure and control device after being installed on the circuit board, wherein, first power panel that plate is this device played on a left side, and working power is supported AC220V and DC220V, and alarm output is arranged.Second plank is CPU and communication board, and plank the first half has a pair of luminiferous ether network interface and an electric Ethernet interface, and the luminiferous ether network interface will install the information uploading of collection to the backstage, and receives the control command on backstage, and electric Ethernet interface is as debugging.The terminal of plank the latter half connects the connection of RS485, is connected with bottom PLC to realize bottom control.When device powers on, go up alternately flicker of two lamps about a row, the CPU operate as normal of indication device most on the device; The left lamp flicker of middle row indication device light mouth sends data, and right lamp flicker indication device light mouth receives data; Next is arranged left lamp flicker indication device RS485 serial ports and sends data, and right lamp flicker indication device RS485 serial ports receives data.
Third and fourth is that semaphore is opened entering plate with No. five plates, detects cooling system on off state etc.The 6th is 4-20mA DC simulation template, gathers oil temperature, oil level and winding temperature.The the 7th and eight block of plate is that semaphore is left plate, the on off state of cooling system accurately passed to the backstage converge the control device.
After the utility model measure and control device powers on; Open switch situation and oil temperature, oil level and the winding temperature that entering plate and DC simulation template are gathered the high-tension transformer cooling system respectively through semaphore; These information are uploaded to upper strata IED device through the luminiferous ether network interface of CPU and communication board; The IED device after receiving this information compares itself and canned data, if undesirable, system does not make response; Up to meeting the requirements, at last satisfactory information is returned to this measure and control device and accomplish control task so repeatedly.
The utility model measure and control device makes the control loop of transformer cooling system obtain significant improvement, makes control circuit moduleization, and The whole control accurately, reliably and simply.Reduced the volume of original sub-control box, rotation speed of fan is controlled simultaneously, has adapted to the demand of current intelligent grid.
The above is merely a kind of embodiment of the utility model; It or not whole or unique embodiment; The conversion of any equivalence that those of ordinary skills take the utility model technical scheme through reading the utility model instructions, the claim that is the utility model contains.
Claims (6)
1. high-tension transformer body intelligent measuring and control device; It is characterized in that: comprise CPU and communication board and the power panel that links to each other with CPU and communication board; The input end of said CPU and communication board is connected with the semaphore that detects cooling system switch situation and opens entering plate and the DC simulation template of gathering oil temperature, oil level data, and the output terminal of said CPU and communication board is connected with semaphore and leaves plate.
2. a kind of high-tension transformer body intelligent measuring and control device as claimed in claim 1, it is characterized in that: the CPU of said CPU and communication board mainly is made up of arm processor and FPGA.
3. a kind of high-tension transformer body intelligent measuring and control device as claimed in claim 2, it is characterized in that: said arm processor is connected with A/D modular converter, RAM reservoir, FLASH storer and timer.
4. a kind of high-tension transformer body intelligent measuring and control device as claimed in claim 1 is characterized in that: the upper end of said CPU and communication board is provided with the luminiferous ether network interface of uploading Information Monitoring and the electric Ethernet interface of tune-up data.
5. a kind of high-tension transformer body intelligent measuring and control device as claimed in claim 1 is characterized in that: said CPU and communication board link to each other with the PLC device of lower floor through the RS485 connection.
6. a kind of high-tension transformer body intelligent measuring and control device as claimed in claim 1 is characterized in that: said DC simulation template is a 4-20mA DC simulation template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204766030U CN202394073U (en) | 2011-11-25 | 2011-11-25 | Intelligent measuring and controlling device for high-voltage transformer body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204766030U CN202394073U (en) | 2011-11-25 | 2011-11-25 | Intelligent measuring and controlling device for high-voltage transformer body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202394073U true CN202394073U (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204766030U Expired - Fee Related CN202394073U (en) | 2011-11-25 | 2011-11-25 | Intelligent measuring and controlling device for high-voltage transformer body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202394073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337744A (en) * | 2020-04-03 | 2020-06-26 | 苏州华电电气股份有限公司 | Transformer operation energy efficiency and/or loss monitoring device |
-
2011
- 2011-11-25 CN CN2011204766030U patent/CN202394073U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337744A (en) * | 2020-04-03 | 2020-06-26 | 苏州华电电气股份有限公司 | Transformer operation energy efficiency and/or loss monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20181125 |