CN210693562U - Microcomputer transformer protection measuring and controlling device - Google Patents
Microcomputer transformer protection measuring and controlling device Download PDFInfo
- Publication number
- CN210693562U CN210693562U CN201921855292.1U CN201921855292U CN210693562U CN 210693562 U CN210693562 U CN 210693562U CN 201921855292 U CN201921855292 U CN 201921855292U CN 210693562 U CN210693562 U CN 210693562U
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- China
- Prior art keywords
- control
- circuit
- measurement
- host
- transformer
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- Expired - Fee Related
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- 238000005259 measurement Methods 0.000 claims abstract description 76
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000003993 interaction Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a microcomputer transformer protection measurement and control device, which belongs to the measurement and control field and comprises a protection measurement and control host and a plurality of protection measurement and control extensions, wherein the protection measurement and control host and the protection measurement and control extensions are connected through a CAN bus; the protection measurement and control host comprises a human-computer interaction circuit, a host control circuit, a first CAN bus interface and a 4G/Ethernet communication circuit; the first CAN bus interface transmits the transformer data to the host control circuit, and the host control circuit centrally manages and processes all the transformer data and sends control instructions to the protection measurement and control extension set; the 4G/Ethernet communication circuit transmits the transformer data to the outside and receives the remote control data. The utility model discloses simultaneously centralized monitoring and a plurality of transformers of management.
Description
Technical Field
The utility model relates to a observe and control the field, especially indicate a microcomputer transformer protection measurement and control device.
Background
Transformers are the most important electrical equipment in power supply systems. If the transformer fails, the power supply system will fail, and the transformer needs to be monitored and protected. Chinese utility model patent with publication number CN201837867U discloses a microcomputer transformer comprehensive measurement and control device in the technical field of power supply, including: the tripping and closing circuit is sequentially connected with the relay logic circuit, the tripping and closing photoelectric isolation circuit and the digital signal processor, the low-pass filter circuit is sequentially connected with the analog-to-digital conversion circuit and the digital signal processor, the switching value input circuit is sequentially connected with the buffering and isolation circuit and the digital signal processor, and the digital signal processor is sequentially connected with the serial port isolation circuit and the user controller. The microcomputer transformer protection measurement and control device can only realize the measurement and control of one transformer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a computer transformer protection measurement and control device has solved the problem that computer transformer protection measurement and control device can only realize the observing and controlling of a transformer among the prior art.
The technical scheme of the utility model is realized like this:
a microcomputer transformer protection measurement and control device comprises a protection measurement and control host and a plurality of protection measurement and control extensions, wherein the protection measurement and control host and the protection measurement and control extensions are connected through a CAN bus, each protection measurement and control extension comprises a transformer measurement and control circuit, an extension control circuit and a second CAN bus interface, the transformer measurement and control circuit acquires transformer data and sends the transformer data to the extension control circuit, and the extension control circuit processes the transformer data and transmits the transformer data to the protection measurement and control host through the second CAN bus interface; the protection measurement and control host comprises a human-computer interaction circuit, a host control circuit, a first CAN bus interface and a 4G/Ethernet communication circuit; the first CAN bus interface acquires transformer data collected by all protection measurement and control extensions and transmits the transformer data to the host control circuit, and the host control circuit centrally manages and processes all the transformer data and sends control instructions to the protection measurement and control extensions; the man-machine interaction circuit is used for displaying data corresponding to all transformers, receiving an externally input control instruction and feeding back the control instruction to the host control circuit; the 4G/Ethernet communication circuit is used for transmitting transformer data outwards and receiving remote control data according to the control instruction of the host control circuit.
As a preferred embodiment of the utility model, man-machine interaction circuit includes liquid crystal display, a plurality of control button, reputation indicating circuit, liquid crystal display, control button and reputation indicating circuit respectively with host control circuit electric connection.
As a preferred embodiment of the present invention, the host control circuit is formed by a DSP chip.
As a preferred embodiment of the utility model, the protection is observed and controled the host computer and is included panel, box and back plate, liquid crystal display and control button are fixed on the panel, host computer control circuit, reputation indicating circuit, 4G ethernet communication circuit pass through the circuit board to be fixed in the box, 4G ethernet communication circuit's interface is fixed on the back plate, a CAN bus interface is fixed on the back plate.
As a preferred embodiment of the present invention, the panel, the box body and the back plate are fixed by screws respectively.
As a preferred embodiment of the present invention, the extension control circuit employs a Freecal 32-bit V2 nuclear chip microcomputer.
The beneficial effects of the utility model reside in that: the protection measurement and control host and the protection measurement and control extension set are arranged, so that a plurality of transformers can be monitored simultaneously, and centralized management of the plurality of transformers is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic block diagram of an embodiment of a microcomputer transformer protection measurement and control device of the present invention;
FIG. 2 is a schematic block diagram of a protection measurement and control host;
FIG. 3 is a schematic structural diagram of a protection measurement and control host;
fig. 4 is a schematic block diagram of a protection measurement and control extension.
In the figure, 1-protection measurement and control host; 11-a human-computer interaction circuit; 111-liquid crystal display screen; 112-control keys; 113-acousto-optic indication circuit; 12-host control circuitry; 13-a first CAN bus interface; 14-4G/Ethernet communication circuit; 15-a panel; 16-a box body; 17-a back plate; 2-protection measurement and control extension; 21-transformer measurement and control circuit; 22-extension control circuit; 23-second CAN bus interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a computer transformer protection measurement and control device, including protection measurement and control host computer 1 and a plurality of protection measurement and control extension 2, protection measurement and control host computer 1 and protection measurement and control extension 2 pass through CAN bus connection, protection measurement and control extension 2 includes transformer measurement and control circuit 21, extension control circuit 22 and second CAN bus interface 23, transformer measurement and control circuit 21 acquires transformer data, sends to extension control circuit 22, extension control circuit 22 handles transformer data, transmits to protection measurement and control host computer 1 through second CAN bus interface 23; the protection measurement and control host 1 comprises a human-computer interaction circuit 11, a host control circuit 12, a first CAN bus interface 13 and a 4G/Ethernet communication circuit 14; the first CAN bus interface 13 acquires transformer data collected by all the protection measurement and control extensions 2, transmits the transformer data to the host control circuit 12, and the host control circuit 12 centrally manages and processes all the transformer data and sends control instructions to the protection measurement and control extensions 2; the man-machine interaction circuit 11 is used for displaying data corresponding to all transformers, receiving a control instruction input by an external (background management computer) and feeding back the control instruction to the host control circuit 12; the 4G/ethernet communication circuit 14 is used for transmitting the transformer data to the outside (a background management computer) according to the control instruction of the host control circuit 12 and receiving the remote control data. The background management computer can correspond to a plurality of protection measurement and control hosts 1, and one protection measurement and control host 1 corresponds to a plurality of protection measurement and control extensions 2 to form a bus type protection measurement and control network.
In a specific implementation process, the protection measurement and control extension 2 is mainly used for acquiring a plurality of monitoring data of the transformer, and when abnormal conditions (short circuit, open circuit, lack, and the like) are monitored, protective measures are taken, and the transformer measurement and control circuit 21 performs data acquisition and protection actions as the prior art, which is not described again. The protection measurement and control host 1 is mainly used for carrying out centralized management, processing and statistics on a plurality of data of the transformer. The extension control circuit 22 can adopt a Freecal 32-bit V2 nuclear chip machine. The number comparison between the protection measurement and control host 1 and the protection measurement and control extension 2 can be 1:3-10, and technicians can customize the protection measurement and control host and the protection measurement and control extension according to user requirements.
The man-machine interaction circuit 11 comprises a liquid crystal display 111, a plurality of control keys 112 and an acousto-optic indicating circuit 113, wherein the liquid crystal display 111, the control keys 112 and the acousto-optic indicating circuit 113 are respectively electrically connected with the host control circuit 12. The host control circuit 12 is connected with the liquid crystal display 111 through an FPC cable, one end of the control key 112 is connected with a pin of the host control circuit 12, the other end is grounded, and the acousto-optic indication circuit 113 is used for sending an acousto-optic alarm signal when an abnormal condition is monitored.
The host control circuit 12 is formed using a DSP chip. The DSP control chip can adopt TMS320C62xx, TMS320C64xx, TMS320C67xx and the like. And can also be selected by a technician according to the user's requirements.
The protection measurement and control host 1 comprises a panel 15, a box 16 and a rear plate 17, wherein the panel 15, the box 16 and the rear plate 17 are made of metal, the panel 15 and the rear plate 17 are respectively fixed at the front end and the rear end of the box 16 by screws, and the box 16 is of a cylindrical structure with openings at the front end and the rear end. The liquid crystal display 111 and the control key 112 are fixed on the panel 15, the host control circuit 12, the acousto-optic indicating circuit 113 and the 4G/Ethernet communication circuit 14 are fixed in the box body 16 through circuit boards, the interface of the 4G/Ethernet communication circuit 14 is fixed on the rear board 17, the 4G/Ethernet communication circuit 14 refers to a 4G communication circuit or an Ethernet communication circuit, the 4G communication circuit is composed of a 4G communication chip high-pass MDM9200 series Mixing ME3760 series, and the Ethernet communication circuit is composed of an Ethernet communication chip W5100. The first CAN-bus interface 13 is fixed on the back plate 17.
The utility model discloses set up protection and observe and control host computer 1 and protection and observe and control extension 2, can monitor a plurality of transformers simultaneously, realize centralized management to a plurality of transformers.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a microcomputer transformer protection measurement and control device, includes protection measurement and control host computer and a plurality of protection measurement and control extension, protection measurement and control host computer and protection measurement and control extension pass through CAN bus connection, its characterized in that: the protection measurement and control extension comprises a transformer measurement and control circuit, an extension control circuit and a second CAN bus interface, wherein the transformer measurement and control circuit acquires transformer data and sends the transformer data to the extension control circuit, and the extension control circuit processes the transformer data and transmits the transformer data to the protection measurement and control host through the second CAN bus interface; the protection measurement and control host comprises a human-computer interaction circuit, a host control circuit, a first CAN bus interface and a 4G/Ethernet communication circuit; the first CAN bus interface acquires transformer data collected by all protection measurement and control extensions and transmits the transformer data to the host control circuit, and the host control circuit centrally manages and processes all the transformer data and sends control instructions to the protection measurement and control extensions; the man-machine interaction circuit is used for displaying data corresponding to all transformers, receiving an externally input control instruction and feeding back the control instruction to the host control circuit; the 4G/Ethernet communication circuit is used for transmitting transformer data outwards and receiving remote control data according to the control instruction of the host control circuit.
2. The microcomputer transformer protection, measurement and control device according to claim 1, characterized in that: the man-machine interaction circuit comprises a liquid crystal display screen, a plurality of control keys and an acousto-optic indicating circuit, wherein the liquid crystal display screen, the control keys and the acousto-optic indicating circuit are respectively electrically connected with the host control circuit.
3. The microcomputer transformer protection, measurement and control device according to claim 2, characterized in that: the host control circuit is formed by a DSP chip.
4. The microcomputer transformer protection, measurement and control device according to claim 2, characterized in that: the protection is observed and controled the host computer and is included panel, box and back plate, liquid crystal display and control button are fixed on the panel, host control circuit, reputation indicating circuit, 4G ethernet communication circuit pass through the circuit board to be fixed in the box, 4G ethernet communication circuit's interface is fixed on the back plate, a CAN bus interface is fixed on the back plate.
5. The microcomputer transformer protection, measurement and control device according to claim 4, characterized in that: the panel, the box body and the rear plate are fixed by screws respectively.
6. The microcomputer transformer protection, measurement and control device according to claim 2, characterized in that: the extension control circuit adopts a Freecal 32-bit V2 nuclear chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855292.1U CN210693562U (en) | 2019-10-30 | 2019-10-30 | Microcomputer transformer protection measuring and controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855292.1U CN210693562U (en) | 2019-10-30 | 2019-10-30 | Microcomputer transformer protection measuring and controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210693562U true CN210693562U (en) | 2020-06-05 |
Family
ID=70888333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921855292.1U Expired - Fee Related CN210693562U (en) | 2019-10-30 | 2019-10-30 | Microcomputer transformer protection measuring and controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210693562U (en) |
-
2019
- 2019-10-30 CN CN201921855292.1U patent/CN210693562U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |