CN204741265U - Digital line protection measurement and control device - Google Patents
Digital line protection measurement and control device Download PDFInfo
- Publication number
- CN204741265U CN204741265U CN201520360590.9U CN201520360590U CN204741265U CN 204741265 U CN204741265 U CN 204741265U CN 201520360590 U CN201520360590 U CN 201520360590U CN 204741265 U CN204741265 U CN 204741265U
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- Prior art keywords
- circuit
- control device
- digital line
- line protection
- main control
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- 238000005259 measurement Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 abstract description 3
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Testing And Monitoring For Control Systems (AREA)
Abstract
The utility model relates to a digital line protection measurement and control device, the device includes host system (2), the communication port of host system (2) links to each other with man-machine circuit (1) and RS485 circuit (3), host system (2) link to each other with vibration signal conditioning circuit (4), broken string detection circuitry (5), current-voltage sampling circuit (6), pressure sensing circuit (7) and switching value output module (8) respectively. The utility model discloses digital line protection measurement and control device can accurately reflect each item data of steam turbine directly perceived and the storage of data and look over the analysis, has high reliability, high stability, high accuracy.
Description
Technical field
The utility model relates to a kind of digital line protection measure and control device, is mainly used in the measure and control device of monitoring various line conditions.
Background technology
Current digital line protection measure and control device all adopts mould electricity, number electricity and microcontroller unit; its reliability, long-time stability are not high, and integrated level is low, cannot the working condition of reaction feeder circuit of omnidirectional high-accuracy; setting operation is very inconvenient, cannot inquire about the deficiencies such as accident record.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and can react every data of circuit and the storage of data intuitively and accurately and check analysis, has highly reliable, high stable, high-precision digital line protection measure and control device.
The purpose of this utility model is achieved in that a kind of digital line protection measure and control device; described device includes main control module; the PORT COM of described main control module is connected with RS485 circuit with man-machine circuit, and described main control module is connected with switching value output module with vibration signal modulate circuit, break detection circuit, current-voltage sampling circuit, pressure sensor circuit respectively.
The utility model digital line protection measure and control device, described main control module is one based on the circuit of PLC.
Compared with prior art, the beneficial effects of the utility model are:
The utility model uses break detection circuit, current-voltage sampling circuit, pressure sensor circuit to process multiple signal respectively, make data more comprehensive directly perceived, communication to external circuits and control can be realized by RS485 circuit and switching value output module simultaneously, can the operations such as Realtime Alerts be carried out, add stability and the reliability of system; And after installing man-machine circuit additional, make operations more directly perceived simple, operating personnel can realize the input of every data easily, also can obtain the process structure of every data easily, use simple and clear.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the utility model digital line protection measure and control device.
Wherein:
Man-machine circuit 1, main control module 2, RS485 circuit 3, vibration signal modulate circuit 4, break detection circuit 5, current-voltage sampling circuit 6, pressure sensor circuit 7, switching value output module 8.
Embodiment
See Fig. 1, a kind of digital line protection measure and control device that the utility model relates to, described device includes main control module 2, described main control module 2 is based upon the control circuit based on PLC, described main control module 2 receives the parameters of each road signal by man-machine circuit 1, the PORT COM of described main control module 2 is connected with RS485 circuit 3, for realizing communication with other equipment or device, described main control module 2 respectively with vibration signal modulate circuit 4, break detection circuit 5, current-voltage sampling circuit 6, pressure sensor circuit 7 is connected with switching value output module 8, for to vibration signal, displacement signal, stroke signal, tach signal processes, when finding that numerical value exceedes preset value, via switching value output module 8, signal is exported, can external alarm or other warning devices.
Claims (1)
1. a digital line protection measure and control device, it is characterized in that: described device includes main control module (2), the PORT COM of described main control module (2) is connected with RS485 circuit (3) with man-machine circuit (1), and described main control module (2) is connected with switching value output module (8) with vibration signal modulate circuit (4), break detection circuit (5), current-voltage sampling circuit (6), pressure sensor circuit (7) respectively; Described main control module (2) is one based on the circuit of PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360590.9U CN204741265U (en) | 2015-05-30 | 2015-05-30 | Digital line protection measurement and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360590.9U CN204741265U (en) | 2015-05-30 | 2015-05-30 | Digital line protection measurement and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741265U true CN204741265U (en) | 2015-11-04 |
Family
ID=54422986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520360590.9U Expired - Fee Related CN204741265U (en) | 2015-05-30 | 2015-05-30 | Digital line protection measurement and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741265U (en) |
-
2015
- 2015-05-30 CN CN201520360590.9U patent/CN204741265U/en not_active Expired - Fee Related
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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: 20151104 Termination date: 20160530 |