CN207572961U - A kind of digital line protection measure and control device - Google Patents

A kind of digital line protection measure and control device Download PDF

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Publication number
CN207572961U
CN207572961U CN201721638549.9U CN201721638549U CN207572961U CN 207572961 U CN207572961 U CN 207572961U CN 201721638549 U CN201721638549 U CN 201721638549U CN 207572961 U CN207572961 U CN 207572961U
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CN
China
Prior art keywords
casing
panel
digital line
radiator
control device
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.)
Expired - Fee Related
Application number
CN201721638549.9U
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Chinese (zh)
Inventor
姚斌
尹永彬
陈韦力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Gad Electric Technology Co Ltd
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Anhui Gad Electric Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Gad Electric Technology Co Ltd filed Critical Anhui Gad Electric Technology Co Ltd
Priority to CN201721638549.9U priority Critical patent/CN207572961U/en
Application granted granted Critical
Publication of CN207572961U publication Critical patent/CN207572961U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of digital line protection measure and control devices, including panel, mounting hole, liquid crystal display and regulation button, the mounting hole is provided on the panel, the liquid crystal display is provided on the panel, the regulation button is provided on the liquid crystal display, loudspeaker is provided on the panel, it is provided on the panel and is provided with Ethernet interface described in indicator light in casing, dsp chip and singlechip chip are provided on the host CPU control panel, multiple power source is provided in the casing, power interface is provided in the casing, AD samplers are provided in the casing, signal wire is provided on the host CPU control panel, the casing is connect with cabinet cover, radiator is provided in the cabinet cover, radiator includes flabellum, radiator stand and radiating motor.The digital line protection measure and control device is simple in structure, and easily manufactured, integrated level is higher, and sampling precision is high, and the range of linearity is wide, fast response time, strong environmental adaptability and cost-effective.

Description

A kind of digital line protection measure and control device
Technical field
The utility model is related to line protective device correlative technology fields, and in particular to a kind of digital line protection observing and controlling Device.
Background technology
Line protective devices are mainly used for the protection observing and controlling of the spacer units of each voltage class, have perfect protection, survey Amount, control, automatic closing and communication monitoring function are the guarantor of substation, power plant, high and low voltage electric distribution and station service electrical system Shield provides total solution with control, can effectively ensure the safety and stability fortune of height voltage electric grid and station service electrical system Row.Automated system can be formed by communication interface with other protections, automation equipment together.Whole devices can group screen It installs concentratedly, can also be installed on high and low voltage switchgear on the spot.The main protection of line protective devices configuration has:Three sections of over current protections Shield, overcurrent acceleration, overload, three-phase single shot reclosing, low-frequency load reduction, zero-sequencedirectional protection, PT broken strings, control broken string, low pressure Protection, overvoltage protection etc..Suitable for the route protection of below 110kV voltage class.Collection protection measures, monitoring, controls, is man-machine The multiple functions such as interface, communication are in one;Instead of various conventional relays and measuring instrumentss, a large amount of installation space is saved With control cable.Using 32-bit number signal processor(DSP), there is advanced inner core, high-speed computation ability and believe in real time Number processing etc. good characteristics.At present, transmission line of electricity in the process of running, relatively conventional failure have broken string, fall bar, insulation hit Wear, flashover, foreign matter are taken and fall first-class in conducting wire, once short trouble occurs in transmission line of electricity, the normal of electrical equipment can be seriously affected Operation, serious line short can influence the stability of Operation of Electric Systems, cause system break-down, regional large-area power-cuts.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of digital line protection observing and controlling dress It puts.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of digital line protection measure and control device, including panel, mounting hole, liquid crystal display and regulation button, the panel On be provided with the mounting hole, the liquid crystal display is provided on the panel, the regulation button is provided on the liquid crystal display, Loudspeaker is provided on the panel, indicator light is provided on the panel, keyboard interface, the face are provided on the panel Plate is connect with casing, and voltage sample plate is provided in the casing, is provided with current sample plate in the casing, in the casing Ethernet interface is provided with, ethernet communication plate is provided in the casing, host CPU control panel, institute are provided in the casing It states and dsp chip and singlechip chip is provided on host CPU control panel, be provided with multiple power source in the casing, in the casing Power interface is provided with, AD samplers are provided in the casing, signal wire, the machine are provided on the host CPU control panel Shell is connect with cabinet cover, and radiator is provided in the cabinet cover, and radiator includes flabellum, radiator stand and radiating motor.
In above structure, power supply is connected by the power interface, network is connected by the Ethernet interface, passes through institute Keyboard interface connection power supply is stated, the signal wire is connected to designated position, is turned on the power switch, the liquid crystal display display detection Voltage value and detection current value, the indicator light is shown normally, device parameter can be adjusted by keyboard, when detection When voltage or electric current occur abnormal, the indicator light shows red light, and the loudspeaker sends out alarm, and operating personnel is reminded to carry out Maintenance.
In order to further improve a kind of use function of digital line protection measure and control device, the panel and the casing It is connected by screw, is connected by screw between the casing and the cabinet cover, the radiator stand leads to the cabinet cover Cross screw connection.
In order to further improve a kind of use function of digital line protection measure and control device, be provided on the casing with Too mesh, signal string holes and power supply string holes are provided with gasket, the casing and the machine between the casing and the panel Gasket is provided between cap.
In order to further improve a kind of use function of digital line protection measure and control device, it is provided in the cabinet cover Radiator-grid is protected, protects between radiator-grid and the cabinet cover and passes through rivet interlacement.
In order to further improve a kind of use function of digital line protection measure and control device, the mounting hole on the panel For through-hole, altogether there are four the mounting hole on the panel, there are two the indicator light on the panel, one is red, one A is green.
In order to further improve a kind of use function of digital line protection measure and control device, the keyboard interface is USB Jack, there are three the regulation buttons for setting altogether on the liquid crystal display.
Advantageous effect is:The digital line protection measure and control device is simple in structure, and easily manufactured, integrated level is higher, adopts Sample precision is high, and the range of linearity is wide, fast response time, strong environmental adaptability and cost-effective.
Description of the drawings
Fig. 1 is a kind of structure diagram of digital line protection measure and control device described in the utility model;
Fig. 2 is a kind of casing internal structure diagram of digital line protection measure and control device described in the utility model;
Fig. 3 is a kind of heat spreader structures schematic diagram of digital line protection measure and control device described in the utility model;
The reference numerals are as follows:
1st, panel;2nd, mounting hole;3rd, liquid crystal display;4th, regulation button;5th, loudspeaker;6th, indicator light;7th, keyboard interface;8th, machine Shell;9th, voltage sample plate;10th, current sample plate;11st, Ethernet interface;12nd, ethernet communication plate;13rd, host CPU control panel; 14th, dsp chip;15th, singlechip chip;16th, multiple power source;17th, signal wire;18th, power interface;19th, AD samplers;20th, machine Cap;21st, flabellum;22nd, radiator stand;23rd, radiating motor.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1-Figure 3, a kind of digital line protection measure and control device, including panel 1, mounting hole 2,3 and of liquid crystal display Regulation button 4 is provided with mounting hole 2 on panel 1, liquid crystal display 3 is provided on panel 1, regulation button 4 is provided on liquid crystal display 3, Loudspeaker 5 is provided on panel 1, indicator light 6 is provided on panel 1, keyboard interface 7, panel 1 and casing 8 are provided on panel 1 It connects, is provided with voltage sample plate 9 in casing 8, current sample plate 10 is provided in casing 8, being provided with Ethernet in casing 8 connects Mouthfuls 11, ethernet communication plate 12 is provided in casing 8, and host CPU control panel 13 is provided in casing 8, is set on host CPU control panel 13 Dsp chip 14 and singlechip chip 15 are equipped with, multiple power source 16 is provided in casing 8, power interface 18 is provided in casing 8, AD samplers 19 are provided in casing 8, signal wire 17 is provided on host CPU control panel 13, casing 8 is connect with cabinet cover 20, machine Radiator is provided on cap 20, radiator includes flabellum 21, radiator stand 22 and radiating motor 23.
In above structure, power supply is connected by 18 power interfaces, network is connected by Ethernet interface 11, is connect by keyboard Mouth 7 connects power supplys, and signal wire 17 is connected to designated position, is turned on the power switch, the display of liquid crystal display 3 detection voltage value and detection Current value, indicator light 6 is shown normally, and device parameter can be adjusted by keyboard, when the voltage or electric current of detection go out When now abnormal, indicator light 17 shows red light, and loudspeaker 5 sends out alarm, and operating personnel is reminded to be overhauled.
In order to further improve a kind of use function of digital line protection measure and control device, panel 1 passes through spiral shell with casing 8 Nail connection, is connected by screw, radiator stand 22 is connected by screw with cabinet cover 20, casing 8 between casing 8 and cabinet cover 20 On be provided with ether mesh, signal string holes and power supply string holes, gasket, casing 8 and casing are provided between casing 8 and panel 1 Gasket is provided between lid 20, protection radiator-grid is provided in cabinet cover 20, protects between radiator-grid and cabinet cover 20 and passes through Rivet interlacement, the mounting hole on panel 1 are through-hole, altogether there are four mounting hole 2 on panel 1, there are two indicator light 6 on panel 1, and one It is a for red, one is green, and keyboard interface 7 is USB jack, and there are three regulation buttons 4 for setting altogether on liquid crystal display 3.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.

Claims (6)

1. a kind of digital line protection measure and control device, it is characterised in that:Including panel, mounting hole, liquid crystal display and regulation button, The mounting hole is provided on the panel, the liquid crystal display is provided on the panel, is provided on the liquid crystal display described Regulation button is provided with loudspeaker on the panel, indicator light is provided on the panel, being provided with keyboard on the panel connects Mouthful, the panel connect with casing, voltage sample plate is provided in the casing, current sample plate is provided in the casing, Ethernet interface is provided in the casing, ethernet communication plate is provided in the casing, host CPU is provided in the casing Control panel is provided with dsp chip and singlechip chip on the host CPU control panel, multiple power source, institute is provided in the casing It states and power interface is provided in casing, AD samplers are provided in the casing, signal is provided on the host CPU control panel Line, the casing are connect with cabinet cover, and radiator is provided in the cabinet cover, and radiator includes flabellum, radiator stand and dissipates Thermoelectric perpetual motion machine.
2. a kind of digital line protection measure and control device according to claim 1, it is characterised in that:The panel with it is described Casing is connected by screw, and is connected by screw between the casing and the cabinet cover, the radiator stand and the casing Lid is connected by screw.
3. a kind of digital line protection measure and control device according to claim 1, it is characterised in that:It is set on the casing There are ether mesh, signal string holes and power supply string holes, gasket, the casing and institute are provided between the casing and the panel It states and is provided with gasket between cabinet cover.
4. a kind of digital line protection measure and control device according to claim 1, it is characterised in that:It is set in the cabinet cover Protection radiator-grid is equipped with, protects between radiator-grid and the cabinet cover and passes through rivet interlacement.
5. a kind of digital line protection measure and control device according to claim 1, it is characterised in that:Peace on the panel Dress hole is through-hole, and altogether there are four the mounting hole on the panel, there are two the indicator light on the panel, one is red Color, one is green.
6. a kind of digital line protection measure and control device according to claim 1, it is characterised in that:The keyboard interface is USB jack, there are three the regulation buttons for setting altogether on the liquid crystal display.
CN201721638549.9U 2017-11-30 2017-11-30 A kind of digital line protection measure and control device Expired - Fee Related CN207572961U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721638549.9U CN207572961U (en) 2017-11-30 2017-11-30 A kind of digital line protection measure and control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721638549.9U CN207572961U (en) 2017-11-30 2017-11-30 A kind of digital line protection measure and control device

Publications (1)

Publication Number Publication Date
CN207572961U true CN207572961U (en) 2018-07-03

Family

ID=62689083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721638549.9U Expired - Fee Related CN207572961U (en) 2017-11-30 2017-11-30 A kind of digital line protection measure and control device

Country Status (1)

Country Link
CN (1) CN207572961U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180703

Termination date: 20191130

CF01 Termination of patent right due to non-payment of annual fee