CN105571624A - Intelligent power grid transformer substation relay protection tester with good heat dissipation - Google Patents
Intelligent power grid transformer substation relay protection tester with good heat dissipation Download PDFInfo
- Publication number
- CN105571624A CN105571624A CN201610160937.4A CN201610160937A CN105571624A CN 105571624 A CN105571624 A CN 105571624A CN 201610160937 A CN201610160937 A CN 201610160937A CN 105571624 A CN105571624 A CN 105571624A
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- CN
- China
- Prior art keywords
- network interface
- housing
- switch amount
- panel
- relay protection
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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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
Abstract
The invention discloses an intelligent power grid transformer substation relay protection tester with good heat dissipation. The tester comprises a shell. An internal circuit is arranged in the shell. A front panel of the shell is provided with a LED display screen (1), sixteen paths of simulation signal output ports (2) and a button (3). A left panel of the shell is provided with four pairs of switching value input ports A (4), eight pairs of switching value output ports (5), an Ethernet interface (7), a circular heat dissipation window (8), a power supply interface (9) and a power switch (10). A right panel of the shell is provided with four pairs of switching value input ports B (11), twelve paths of optical network ports (12) and twelve paths of optical serial ports (13). The internal circuit comprises a central processor, a digital signal processor, a digital-analog conversion circuit, a second-order filter circuit, a power supply circuit, a first network card and a second network card. The left panel is provided with the circular heat dissipation window and a rear panel is provided with a heat dissipation window in a shutter shape. A good heat dissipation effect is possessed.
Description
Technical field
The present invention relates to substation relay protection tester technical field, particularly relate to a kind of intelligent grid substation relay protection tester dispelling the heat good.
Background technology
Along with developing rapidly of power industry, also more and more higher to the requirement of the substation relay protection tester of a kind of important testing tool for ensureing power system security reliability service.Substation relay protection tester can produce a large amount of heats at work, if can not be shed by heat in time, the temperature of tester can be caused to raise, and then affects the normal work of element of tester inside, causes the inaccurate of test result.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of intelligent grid substation relay protection tester dispelling the heat good is provided, there is good heat dispersion.
The object of the invention is to be achieved through the following technical solutions: a kind of intelligent grid substation relay protection tester dispelling the heat good, comprise housing, internal circuit is provided with in housing, the front panel left side central portion of described housing is provided with LED display, 16 road analog signal output mouths are provided with below LED display, button is provided with on the right side of the front panel of housing, the left panel top of housing is provided with four switch amount input port A and eight switch amount output ports, Ethernet interface is provided with below four switch amount input port A, circular thermal window is provided with bottom the left panel of housing, power interface and power switch, the right panel of housing is provided with four switch amount input port B, 12 roads light network interface (12) and 12 road light serial ports,
Described internal circuit comprises central processing unit, digital signal processor, D/A converting circuit, second-order filter circuit, power circuit, first network interface card and the second network interface card, central processing unit respectively with digital signal processor, first network interface card, second network interface card, LED display, button 12 road light serial ports connects, digital signal processor respectively with D/A converting circuit, eight switch amount output ports, four switch amount input port A are connected with four switch amount input port B, D/A converting circuit is connected with second-order filter circuit, second-order filter circuit is connected with 16 road analog signal output mouths, first network interface card is connected with Ethernet interface, second network interface card is connected with 12 road light network interfaces, power circuit respectively with central processing unit, digital signal processor, first network interface card, second network interface card, power interface is connected with power switch.
The right panel of described housing is also provided with two USB interface, and two USB interface are all connected with central processing unit.
Be provided with GPS interface and pulse per second (PPS) output port below described four switch amount input port A, GPS interface is all connected with central processing unit with pulse per second (PPS) output port.
Described rear panel is provided with the thermal window of blind shaped.
Be provided with fan in described housing, fan is connected with controller, and the air side of fan is just to circular thermal window.
The invention has the beneficial effects as follows:
(1) left panel in the present invention is provided with circular thermal window, and rear panel is provided with the thermal window of blind shaped, has good radiating effect;
(2) on the top panel of housing, be provided with handle in the present invention, be convenient for carrying substation relay protection tester;
(3) on the rear panel of housing, be provided with four feets in the present invention, when substation relay protection tester is placed on ground, the thermal window on substation relay protection tester rear panel can not be blocked.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of intelligent grid substation relay protection tester dispelling the heat good of the present invention;
Fig. 2 is the schematic diagram of the front panel of middle shell of the present invention;
Fig. 3 is the schematic diagram of the left panel of middle shell of the present invention;
Fig. 4 is the schematic diagram of the right panel of middle shell of the present invention;
Fig. 5 is the schematic diagram of internal circuit in the present invention;
In figure, 1-LED display screen, 2-16 road analog signal output mouth, 3-button, 4-tetra-switch amount input port A, 5-eight switch amount output port, 6-GPS interface, 7-Ethernet interface, the circular thermal window of 8-, 9-power interface, 10-power switch, 11-tetra-switch amount input port B, 12-12 road light network interface, 13-12 road light serial ports, 14-USB interface, 15-label, 16-pulse per second (PPS) output port.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of intelligent grid substation relay protection tester dispelling the heat good, comprises housing, is provided with internal circuit in housing.
As shown in Figure 2, the front panel left side central portion of described housing is provided with LED display 1, LED display 1 is of a size of 121 inches, 16 road analog signal output mouths 2 are provided with below LED display 1, button 3 is provided with on the right side of the front panel of housing, the left panel top of housing is provided with four switch amount input port A4 and eight switch amount output ports 5, the signal lamp of the state of this switch amount input port of display A is provided with between two ports of every switch amount input port A, the signal lamp of the state of this switch amount output port of a display is provided with between two ports of every switch amount output port, GPS interface 6 and Ethernet interface 7 is provided with below four switch amount input port A4.
Be provided with pulse per second (PPS) output port 16 below described four switch amount input port A4, pulse per second (PPS) output port 16 is connected with central processing unit.
As shown in Figure 3, circular thermal window 8, power interface 9 and power switch 10 is provided with bottom the left panel of housing.
Also be provided with debug port bottom the left panel of described housing, debug port is connected with central processing unit.
As shown in Figure 4, the right panel of housing is provided with four light network interface 12 and 12 road, switch amount input port B 11,12 road light serial ports 13, be provided with the signal lamp of the state of this switch amount input port B of a display between two ports of every switch amount input port B, every road light network interface is provided with one for showing the signal lamp of the state of this light network interface.
The right panel of described housing is also provided with two usb 1s, 4, two usb 1s 4 and is all connected with central processing unit.
As shown in Figure 5, described internal circuit comprises central processing unit, digital signal processor, D/A converting circuit, second-order filter circuit, power circuit, first network interface card and the second network interface card, central processing unit respectively with digital signal processor, first network interface card, second network interface card, LED display 1, button 30 two road light serial ports 13 connects, digital signal processor respectively with D/A converting circuit, eight switch amount output ports 5, four switch amount input port A4 are connected with four switch amount input port B 11, D/A converting circuit is connected with second-order filter circuit, second-order filter circuit is connected with 16 road analog signal output mouths 2, first network interface card is connected with Ethernet interface 7, second network interface card is connected with 12 road light network interfaces 12, power circuit respectively with central processing unit, digital signal processor, first network interface card, second network interface card, power interface 9 is connected with power switch 10.
In described 12 road light serial ports 13, first via light serial ports 13 is used as FT3(IEO6004-8 to the tenth road light serial ports 13) form input/output port, above-mentioned be used as FT3(IEO6004-8) formatted output port light serial ports 13 in comprise the SMV message source mouth of eight FT3 forms and the SMV message sink mouth of two FT3 forms, these ports adopt 62.5/125 μm of Chinese red multimode optical fiber as transmission medium, the wavelength of this multimode optical fiber is 850nm, and effective propagation path is greater than 1 one kilometers; 11 road light serial ports 13 is used as FT3(IEO6004-8) form back production input port; 12 road light serial ports 13 is used as synchronous clock (B code) port.Described 12 road light network interfaces 12 are 12 pairs of standard LC interfaces, can arbitrary disposition be SMV transmitting terminal or the GOOSE transmitting and receiving terminal of 9-2, these interfaces adopt 50/125 μm or 62.5/125 μm of Chinese red multimode optical fiber as transmission medium, and the transmission range of this multimode optical fiber is greater than one kilometer.
The top panel of described housing is provided with handle.Described handle is plastic handles, the handle that plastic handles can select tygon handle, polypropylene handle, polypropylene handle ABS handle or other materials to make.Plastic handles has the advantages that quality is light, pliability is good, conveniently lifts substation relay protection tester.
Described rear panel is provided with four feets, and four feets are separately positioned on four bights of rear panel, and four feets are all made of plastics.
Described rear panel is provided with the thermal window of blind shaped.
Described housing is metal shell, and metal shell can adopt Stainless Steel Shell, Al-alloy casing etc.
The front panel left upper portion of described housing is provided with the brand-name label 15 of a print.
Housing in the present invention is formed by screw fixed Combination by front panel, rear panel, left panel, right panel, top panel and lower panel, can carry out easily assembling and dismantling, also have the feature of fixation simultaneously.Four angles of described lower panel are also respectively provided with a plastic support pin.
The above is only the preferred embodiment of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (5)
1. the intelligent grid substation relay protection tester that a heat radiation is good, comprise housing, internal circuit is provided with in housing, it is characterized in that: the front panel left side central portion of described housing is provided with LED display (1), LED display (1) below is provided with 16 roads analog signal output mouth (2), button (3) is provided with on the right side of the front panel of housing, the left panel top of housing is provided with four switch amount input port A(4) and eight switch amount output ports (5), four switch amount input port A(4) below be provided with Ethernet interface (7), circular thermal window (8) is provided with bottom the left panel of housing, power interface (9) and power switch (10), the right panel of housing is provided with four switch amount input port B (11), 12 roads light network interface (12) and 12 roads light serial ports (13),
Described internal circuit comprises central processing unit, digital signal processor, D/A converting circuit, second-order filter circuit, power circuit, first network interface card and the second network interface card, central processing unit respectively with digital signal processor, first network interface card, second network interface card, LED display (1), button (3) is connected with 12 roads light serial ports (13), digital signal processor respectively with D/A converting circuit, eight switch amount output ports (5), four switch amount input port A(4) be connected with four switch amount input port B (11), D/A converting circuit is connected with second-order filter circuit, second-order filter circuit is connected with 16 roads analog signal output mouth (2), first network interface card is connected with Ethernet interface (7), second network interface card is connected with 12 roads light network interface (12), power circuit respectively with central processing unit, digital signal processor, first network interface card, second network interface card, power interface (9) is connected with power switch (10).
2. a kind of intelligent grid substation relay protection tester dispelling the heat good according to claim 1, is characterized in that: the right panel of described housing is also provided with two USB interface (14), and two USB interface (14) are all connected with central processing unit.
3. a kind of intelligent grid substation relay protection tester dispelling the heat good according to claim 1; it is characterized in that: described four switch amount input port A(4) below be provided with GPS interface (6) and pulse per second (PPS) output port (16), GPS interface (6) is all connected with central processing unit with pulse per second (PPS) output port (16).
4. a kind of intelligent grid substation relay protection tester dispelling the heat good according to claim 1, is characterized in that: described rear panel is provided with the thermal window of blind shaped.
5. a kind of intelligent grid substation relay protection tester dispelling the heat good according to claim 4, is characterized in that: be provided with fan in described housing, fan is connected with controller, and the air side of fan is just to circular thermal window (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160937.4A CN105571624A (en) | 2016-03-21 | 2016-03-21 | Intelligent power grid transformer substation relay protection tester with good heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160937.4A CN105571624A (en) | 2016-03-21 | 2016-03-21 | Intelligent power grid transformer substation relay protection tester with good heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105571624A true CN105571624A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610160937.4A Pending CN105571624A (en) | 2016-03-21 | 2016-03-21 | Intelligent power grid transformer substation relay protection tester with good heat dissipation |
Country Status (1)
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| CN (1) | CN105571624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270322A (en) * | 2018-02-12 | 2018-07-10 | 方晓妹 | A kind of electric machine control system using optical fiber remote control technology |
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| CN201993445U (en) * | 2011-01-25 | 2011-09-28 | 衡水供电公司 | Intelligent tester for switch trip logic time |
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2016
- 2016-03-21 CN CN201610160937.4A patent/CN105571624A/en active Pending
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| CN201466694U (en) * | 2009-05-22 | 2010-05-12 | 天津港保税区益诚电力设备有限公司 | Micro-relay protection automation measuring and control device based on composite structure of DSP and MCU |
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| CN204649929U (en) * | 2015-06-09 | 2015-09-16 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
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Cited By (1)
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| CN108270322A (en) * | 2018-02-12 | 2018-07-10 | 方晓妹 | A kind of electric machine control system using optical fiber remote control technology |
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Application publication date: 20160511 |
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| RJ01 | Rejection of invention patent application after publication |