CN204945329U - A kind of microcomputer protective relay device experiment cabinet - Google Patents
A kind of microcomputer protective relay device experiment cabinet Download PDFInfo
- Publication number
- CN204945329U CN204945329U CN201520752371.5U CN201520752371U CN204945329U CN 204945329 U CN204945329 U CN 204945329U CN 201520752371 U CN201520752371 U CN 201520752371U CN 204945329 U CN204945329 U CN 204945329U
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- relay device
- protective relay
- power supply
- microcomputer protective
- microcomputer
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Abstract
A kind of microcomputer protective relay device experiment cabinet, comprise cabinet, microcomputer protective relay device, relay-protection tester, adjustable DC power supply is provided with in described cabinet, on the top of cabinet, rectifying power supply apparatus is installed, adjustable DC power supply provides variable dc experiment power supply for microcomputer protective relay device, for microcomputer protective relay device provides DC supply after alternating current is become direct current by rectifying power supply apparatus, between microcomputer protective relay device and relay-protection tester, be connected with test assembly; Technical problem to be solved in the utility model is to provide a kind of microcomputer protective relay device experiment cabinet, by modular design, realizes fast-wiring and the inspection of dissimilar microcomputer protective relay device complete machine spare part.
Description
Technical field
The utility model relates to technical field of relay protection, is specifically related to a kind of microcomputer protective relay device experiment cabinet.
Background technology
Microcomputer protective relay device is widely used in electric system, once device breaks down, all needs maintainer to fix a breakdown rapidly, recovers power transmission as early as possible, so big power station and transformer station all store the complete machine spare part of some, in case of need.Usually, can not put into operation after complete machine parts replacement at once, need to carry out necessary inspection according to relay protection examination code, just can put into operation after the assay was approved.Obviously, device inspection will take a large amount of time in whole troubleshooting process, may cause larger economic loss.If can carry out spare part inspection in advance, that just can save more idle time.But complete machine spare part is all bare machine usually, and backboard wiring is inserted handle and is connected with tube base, the test wire access device of relay-protection tester can not directly be tested by maintainer.Some plant stand provides several the reserve tanks the same with the relay protection cabinet put into operation in scene for oneself; in cabinet, electric loop design is basically identical with the actual relay protection cabinet put into operation; the inspection of protective relaying device in cabinet can be realized; but; because electric loop design is different; reserve tank can not be tested to the relay protection of another kind of type; as the electric loop of route protection cabinet reserve tank according to line protective devices designs; terminal layout and wiring are all fixed; impossible directly reconfiguration protection equipment for generator, can not carry out the inspection of protection equipment for generator.Therefore, reserve tank effectively can not solve the problem checking microcomputer protective relay complete machine spare part in advance.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of microcomputer protective relay device experiment cabinet, by modular design, realizes fast-wiring and the inspection of dissimilar microcomputer protective relay device complete machine spare part.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of microcomputer protective relay device experiment cabinet, comprise cabinet, microcomputer protective relay device is provided with in described cabinet, relay-protection tester, adjustable DC power supply, on the top of cabinet, rectifying power supply apparatus is installed, adjustable DC power supply provides variable dc experiment power supply for microcomputer protective relay device, for microcomputer protective relay device provides DC supply after alternating current is become direct current by rectifying power supply apparatus, test assembly is connected with between microcomputer protective relay device and relay-protection tester, described test assembly comprises microcomputer protective relay device tube base and calibrating terminal, microcomputer protective relay device tube base is located on microcomputer protective relay device, and one end is connected with microcomputer protective relay device, and the other end is connected with one end of testing terminal by cable, and the other end of testing terminal is connected with relay-protection tester by test wire.
Preferably, described testing terminal is installed on terminal guide rail, and terminal guide rail is located in cabinet.
Preferably; also comprise the first interchange sky to open, second exchange sky and open, the 3rd exchange that sky is opened, external AC power supply, external AC power supply exchanges sky through first respectively and opens, second exchanges that sky is opened, the 3rd exchanged empty open relay-protection tester, adjustable DC power supply, rectifying power supply apparatus are powered.
Preferably, be provided with the first direct current sky between described adjustable DC power supply and microcomputer protective relay device and open, be provided with the second direct current sky between rectifying power supply apparatus and microcomputer protective relay device and open.
Preferably, described cable and test wire are arranged in wire casing.
Preferably, be also provided with frame in described cabinet, frame is pellet type structure, for installing microcomputer protective relay device, relay-protection tester and adjustable DC power supply.
Adopt said structure, the utility model has the following advantages:
1, the testing equipment of rectifying power supply apparatus, relay-protection tester, adjustable DC power supply is installed concentratedly in experiment cabinet by the utility model.Microcomputer protective relay device bare machine can at any time be inserted in cabinet by maintainer; set up supporting test assembly, carry out the inspection of this protective relaying device, and protective relaying device fault need not be waited until; after spare part being changed to relay protection dish cabinet, then carry out spare part inspection.The present invention can be utilized like this to increase work efficiency, reduce because of the spare part inspection economic loss that causes of extension device idle time and social influence;
2, the utility model is that dissimilar microcomputer protective relay device configures supporting test assembly.Each cover test assembly achieves the test connection of corresponding microcomputer protective relay device, the present invention can be tested to various dissimilar microcomputer protective relay device, improve applicability of the present invention;
3, the testing terminal of test assembly has been fixed on the sub-guide rail of a butt.When test assembly is loaded experiment cabinet, only need the terminal guide rail of test assembly be fixed in frame, by tube base insertion apparatus backboard.Whole installation process simple and fast.
4, the utility model can be used as protective relaying device debugging training platform, learns the adjustment method of protective relaying device for student.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is test assembly connection layout of the present utility model;
Fig. 3 is electric power loop figure of the present utility model;
In figure: cabinet 1, frame 2, microcomputer protective relay device 3, relay-protection tester 4, adjustable DC power supply 5, rectifying power supply apparatus 6, wire casing 7, test wire 8, test assembly 9, machine protective relaying device tube base 91, cable 92, testing terminal 93, terminal guide rail 94.
Embodiment
As in Fig. 1 ~ 3, a kind of microcomputer protective relay device experiment cabinet, comprise cabinet 1, microcomputer protective relay device 3, relay-protection tester 4, adjustable DC power supply 5 is provided with in described cabinet 1, on the top of cabinet 1, rectifying power supply apparatus 6 is installed, adjustable DC power supply 5 provides variable dc experiment power supply for microcomputer protective relay device 3, for microcomputer protective relay device 3 provides DC supply after alternating current is become direct current by rectifying power supply apparatus 6, between microcomputer protective relay device 3 and relay-protection tester 4, be connected with test assembly 9; Described test assembly 9 comprises microcomputer protective relay device tube base 91 and calibrating terminal 93; Microcomputer protective relay device tube base 91 is located on microcomputer protective relay device 3; one end is connected with microcomputer protective relay device 3; the other end is connected with one end of testing terminal 93 by cable 92, and the other end of testing terminal 93 is connected with relay-protection tester 4 by test wire 8.
Preferably, described testing terminal 93 is installed on terminal guide rail 94, and terminal guide rail 94 is located in cabinet 1.
Preferably; also comprise the first interchange sky to open JK1, second and exchange sky and open JK2, the 3rd and exchange sky and open JK3, external AC power supply, external AC power supply exchanges sky through first respectively and opens JK1, second and exchange sky and open JK2, the 3rd and exchange sky and open JK3 and power to relay-protection tester 4, adjustable DC power supply 5, rectifying power supply apparatus 6.
Preferably, be provided with the first direct current sky between described adjustable DC power supply 5 and microcomputer protective relay device 3 and open ZK1, be provided with the second direct current sky between rectifying power supply apparatus 6 and microcomputer protective relay device 3 and open ZK2.
Preferably, described cable 92 and test wire 8 are arranged in wire casing 7.
Preferably, be also provided with frame 2 in described cabinet 1, frame 2 is pellet type structure, for installing microcomputer protective relay device 3, relay-protection tester 4 and adjustable DC power supply 5.
During use; relay-protection tester 4 selects conventional microcomputer relay protection tester; as the star 1600 etc. of relay protection; be connected with microcomputer protective relay device 3 with test assembly 9 through test wire 8; to analog quantity and on-off model etc. such as microcomputer protective relay device 3 input AC electric current, alternating voltage, DC current, DC voltage, harmonic current, harmonic voltages; also can receive the on-off model that microcomputer protective relay device 3 sends simultaneously, realize the functional check of protective relaying device.
Test assembly 9 is numbered by the wiring tube base 91 that protective relaying device backboard plug-in unit is corresponding; a tube base 91 is a test assembly unit; each binding post of tube base 91 is drawn all terminals that a cable 92 connects a testing terminal 93, tube base 91 correspondence and is arranged on side by side in order on a terminal guide rail 94.The test wire of relay-protection tester 4 accesses corresponding testing terminal 93 by microcomputer protective relay device schematic diagram, can carry out functional check.
The test assembly that all tube bases of microcomputer protective relay device 3 are corresponding can have been assembled for subsequent use in advance.Such as, line protective devices have eight cover tube bases, and protection equipment for generator has ten cover tube bases, in advance ten covers that eight of line protective devices overlap test assemblies and protection equipment for generator can be tested assembly and be ready to.When needs verify line protective devices; these line protective devices can be arranged in the frame 2 of cabinet central authorities; be arranged in the frame of cabinet both sides by the testing terminal of eight cover test assemblies respectively with terminal guide rail, the tube base of test assembly is directly inserted into the slotting upper of microcomputer protective relay device backboard.The test wire of relay-protection tester accesses on the terminal of test assembly by device backboard figure, can test line protective devices.When needs verify protection equipment for generator, these line protective devices and total Test assembly thereof all can be pulled down, change protection equipment for generator and test assembly thereof, can test protection equipment for generator.
Claims (6)
1. a microcomputer protective relay device experiment cabinet, comprise cabinet (1), it is characterized in that: in described cabinet (1), be provided with microcomputer protective relay device (3), relay-protection tester (4), adjustable DC power supply (5), on the top of cabinet (1), rectifying power supply apparatus (6) is installed, adjustable DC power supply (5) provides variable dc experiment power supply for microcomputer protective relay device (3), DC supply is provided for microcomputer protective relay device (3) after alternating current is become direct current by rectifying power supply apparatus (6), test assembly (9) is connected with between microcomputer protective relay device (3) and relay-protection tester (4),
Described test assembly (9) comprises microcomputer relay system tube base (91) and calibrating terminal (93); Microcomputer relay system tube base (91) is located on microcomputer protective relay device (3); one end is connected with microcomputer protective relay device (3); the other end is connected with one end of testing terminal (93) by cable (92), and the other end of testing terminal (93) is connected with relay-protection tester (4) by test wire (8).
2. a kind of microcomputer protective relay device experiment cabinet according to claim 1, is characterized in that: described testing terminal (93) is installed on terminal guide rail (94), and terminal guide rail (94) is located in cabinet (1).
3. a kind of microcomputer protective relay device experiment cabinet according to claim 1; it is characterized in that: also comprise the first interchange sky open (JK1), second exchange sky open (JK2), the 3rd exchange sky open (JK3), external AC power supply, external AC power supply respectively through first exchange sky open (JK1), second exchange sky open (JK2), the 3rd exchange sky open (JK3) to relay-protection tester (4), adjustable DC power supply (5), rectifying power supply apparatus (6) power supply.
4. a kind of microcomputer protective relay device experiment cabinet according to claim 1; it is characterized in that: be provided with the first direct current sky between described adjustable DC power supply (5) and microcomputer protective relay device (3) and open (ZK1), be provided with the second direct current sky between rectifying power supply apparatus (6) and microcomputer protective relay device (3) and open (ZK2).
5. a kind of microcomputer protective relay device experiment cabinet according to claim 1, is characterized in that: described cable (92) and test wire (8) are arranged in wire casing (7).
6. a kind of microcomputer protective relay device experiment cabinet according to claim 1; it is characterized in that: frame (2) is also installed in described cabinet (1); frame (2) is pellet type structure, for installing microcomputer protective relay device (3), relay-protection tester (4) and adjustable DC power supply (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752371.5U CN204945329U (en) | 2015-09-25 | 2015-09-25 | A kind of microcomputer protective relay device experiment cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752371.5U CN204945329U (en) | 2015-09-25 | 2015-09-25 | A kind of microcomputer protective relay device experiment cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204945329U true CN204945329U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520752371.5U Expired - Fee Related CN204945329U (en) | 2015-09-25 | 2015-09-25 | A kind of microcomputer protective relay device experiment cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204945329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300244A (en) * | 2021-06-15 | 2021-08-24 | 新兴铸管股份有限公司 | Protection device for protecting various microcomputers |
-
2015
- 2015-09-25 CN CN201520752371.5U patent/CN204945329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300244A (en) * | 2021-06-15 | 2021-08-24 | 新兴铸管股份有限公司 | Protection device for protecting various microcomputers |
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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: 20160106 Termination date: 20200925 |