CN205691741U - Master switch testing experiment instrument - Google Patents
Master switch testing experiment instrument Download PDFInfo
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- CN205691741U CN205691741U CN201620659215.9U CN201620659215U CN205691741U CN 205691741 U CN205691741 U CN 205691741U CN 201620659215 U CN201620659215 U CN 201620659215U CN 205691741 U CN205691741 U CN 205691741U
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- catalyst
- switch
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- permutator
- master switch
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Abstract
The open a kind of master switch testing experiment instrument of this utility model, is connected by main switch, phase sequence permutator, pressure regulator and catalyst J4, constitutes circuit I；Circuit I two ends are respectively provided with binding post I, II；Catalyst J5 is connected in parallel on pressure regulator and catalyst J4 both sides；Circuit I is provided with voltmeter at binding post II；Catalyst J3 parallel connection accesses between pressure regulator and catalyst J4, and catalyst J3 is sequentially connected in series with current feedback circuit, ammeter, line end is provided with binding post III simultaneously；Switch K2 is in parallel with phase sequence permutator for test conversion, and it is single-pole double-throw switch (SPDT) that test conversion switchs K2, its not moved end normally-closed contact with catalyst J3 and catalyst J4 respectively be connected；After catalyst J3, J5 parallel connection, the normally-closed contact with catalyst J4 is connected；The normally-closed contact of catalyst J4 is connected with catalyst J3.This master switch testing experiment instrument primary connection can complete several test, the detection efficiency being effectively improved.
Description
Technical field
This utility model relates to a kind of master switch testing experiment instrument for steamer master switch performance test.
Background technology
Steamer master switch performance test is mainly needed to carry out inverse merit test, under-voltage test and overcurrent test several
Kind, overcurrent test can be carried out when carrying out inverse merit and testing simultaneously, but the circuit of under-voltage test is different from overcurrent test, needs
Rewiring is wanted to test.Steamer during use, master switch power-off means that on ship, all electrical equipments all can not normally be transported
OK, there is very important meaning the shortening testing time to vessel motion as far as possible.At present, there is no and can complete three kinds of inspections simultaneously
The equipment surveyed.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of master switch testing experiment instrument, and primary connection can complete
Inverse merit test, under-voltage test and overcurrent test, reduce the test setting up time of half, the detection efficiency being effectively improved.
To this end, the technical solution of the utility model is:
A kind of master switch testing experiment instrument, occurs including main switch, phase sequence permutator, pressure regulator, voltmeter, electric current
Device, digital electronic ammeter, test conversion switch K2, catalyst J3, catalyst J4 and catalyst J5；
Described main switch, phase sequence permutator, pressure regulator and catalyst J4 series connection, constitute circuit I；Described circuit I is setting
Put and at the end points of main switch side, be provided with the binding post I being connected with electric supply installation, arrange at the end points that catalyst J4 side is set
There is the binding post II being connected with master switch to be measured；
Described catalyst J5 is connected in parallel on pressure regulator and catalyst J4 both sides；Described circuit I is near being connected with master switch to be measured
Binding post II at be provided with voltmeter；
Between pressure regulator and the catalyst J4 of described catalyst J3 parallel connection line attachment I, and catalyst J3 occurs with electric current
Device, ammeter are sequentially connected in series, and line end are provided with binding post III simultaneously, for being connected electrical equipment with master switch to be measured
Contact be connected；
Switch K2 is in parallel with described phase sequence permutator for described test conversion, and described test conversion switch K2 is single-pole double throw
Switch, its not moved end normally-closed contact with described catalyst J3 and catalyst J4 respectively be connected；After described catalyst J3, J5 parallel connection
Connect with the normally-closed contact of catalyst J4, the connection of described catalyst J4 control contactor J3, J5 normally opened contact or disconnection；Described
The normally-closed contact of catalyst J3 is connected with catalyst J4, for connection or the disconnection of control contactor J4 normally opened contact.
Further, described phase sequence permutator includes the catalyst J1, the catalyst J2 that are connected in parallel and controls switch K1；
The described switch K1 that controls is single-pole double-throw switch (SPDT), and it is not connected with catalyst J1 and catalyst J2 moved end respectively.
Preferably, this master switch testing experiment instrument also includes the transformator in parallel with described phase sequence permutator, described transformation
The outfan of device is provided with stopwatch.
Preferably, this master switch testing experiment instrument also includes the transformator in parallel with described phase sequence permutator, described transformation
The outfan of device is provided with bulb.
Preferably, this master switch testing experiment instrument also includes the power supply indicator in parallel with described phase sequence permutator.
This master switch testing experiment instrument primary connection can complete inverse merit test, under-voltage test and overcurrent test, subtracts
The test setting up time of few half, the detection efficiency being effectively improved.
Accompanying drawing explanation
The structural representation of the master switch testing experiment instrument that Fig. 1 provides for this utility model；
The circuit diagram of the master switch testing experiment instrument that Fig. 2 provides for this utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in detail.
A kind of master switch testing experiment instrument, occurs including main switch, phase sequence permutator, pressure regulator, voltmeter, electric current
Device, digital electronic ammeter, test conversion switch K2, catalyst J3, catalyst J4 and catalyst J5；Described main switch, phase sequence are changed
Switch, pressure regulator and catalyst J4 series connection, constitute circuit I；Described circuit I is provided with at the end points arranging main switch side and supplies
The binding post I that electric installation connects, is provided with the binding post II being connected with master switch to be measured at the end points arranging catalyst J4 side；
Described catalyst J5 is connected in parallel on pressure regulator and catalyst J4 both sides；Described circuit I is near the binding post being connected with master switch to be measured
Voltmeter it is provided with at II；Between pressure regulator and the catalyst J4 of described catalyst J3 parallel connection line attachment I, and catalyst J3 with
Current feedback circuit, ammeter are sequentially connected in series, and line end are provided with binding post III simultaneously, for being connected with master switch to be measured
The contact of electrical equipment is connected；Switch K2 is in parallel with described phase sequence permutator for described test conversion, and described test conversion is opened
Pass K2 is single-pole double-throw switch (SPDT), its not moved end normally-closed contact with described catalyst J3 and catalyst J4 respectively be connected；Described connect
After tentaculum J3, J5 parallel connection, the normally-closed contact with catalyst J4 is connected, described catalyst J4 control contactor J3, J5 normally opened contact
Connection or disconnection；The normally-closed contact of described catalyst J3 is connected with catalyst J4, for the company of control contactor J4 normally opened contact
On-off is opened.
Further, described phase sequence permutator includes the catalyst J1, the catalyst J2 that are connected in parallel and controls switch K1；
The described switch K1 that controls is single-pole double-throw switch (SPDT), and it is not connected with catalyst J1 and catalyst J2 moved end respectively.
During use, main switch termination terminal I external 380～the power supply of 440V voltage, the external master switch to be measured of binding post II,
The contact that binding post III is connected electrical equipment with master switch to be measured is connected；Connection phase sequence switch, test conversion is switched K2 with
The normally-closed contact of catalyst J4 connects, the normally opened contact connection of catalyst J3, J5, is forward current when connect, regulates pressure regulation
Device, changes input voltage, and the output electric current of regulation current feedback circuit, under the conditions of testing stream, how long measured switch starts
Safeguard protection is tripped, and carries out overcurrent test, records corresponding voltage, electric current and tripping operation time-consuming.It is backward current when connect,
How long test measured switch starts safeguard protection tripping operation, carries out inverse merit and tests, and the corresponding tripping operation of record is time-consuming.
Connecting phase sequence switch and import forward current, the normally-closed contact that test conversion switchs K2 and catalyst J3 is connected, and connects
Tentaculum J4 normally opened contact closes, and regulates pressure regulator, changes input voltage, and when testing under-voltage or overvoltage, how long measured switch opens
Dynamic safeguard protection tripping operation, records corresponding voltage with time-consuming, carries out under-voltage test.
As an optimal technical scheme of the present utility model, this master switch testing experiment instrument also includes turning with described phase sequence
Changing the transformator of switch in parallel, the outfan of described transformator is provided with stopwatch, when tester, or/and be provided with for illuminating
Bulb.Facilitate the carrying out of process of the test.
Preferably, this master switch testing experiment instrument also includes the power supply indicator in parallel with described phase sequence permutator.
This master switch testing experiment instrument primary connection can complete inverse merit test, under-voltage test and overcurrent test, subtracts
The test setting up time of few half, the detection efficiency being effectively improved.
Claims (5)
1. a master switch testing experiment instrument, it is characterised in that: include main switch, phase sequence permutator, pressure regulator, voltmeter,
Current feedback circuit, digital electronic ammeter, test conversion switch K2, catalyst J3, catalyst J4 and catalyst J5；
Described main switch, phase sequence permutator, pressure regulator and catalyst J4 series connection, constitute circuit I；Described circuit I is always being arranged
Be provided with the binding post I being connected with electric supply installation at the end points of switch-side, be provided with at the end points that catalyst J4 side is set with
The binding post II that master switch to be measured connects；
Described catalyst J5 is connected in parallel on pressure regulator and catalyst J4 both sides；Described circuit I near with connecing that master switch to be measured is connected
It is provided with voltmeter at terminal II；
Between pressure regulator and the catalyst J4 of described catalyst J3 parallel connection line attachment I, and catalyst J3 and current feedback circuit, electricity
Stream table is sequentially connected in series, and line end is provided with binding post III simultaneously, for being connected the contact of electrical equipment with master switch to be measured
It is connected；
Switch K2 is in parallel with described phase sequence permutator for described test conversion, and described test conversion switch K2 is that single-pole double throw is opened
Close, its not moved end normally-closed contact with described catalyst J3 and catalyst J4 respectively be connected；After described catalyst J3, J5 parallel connection with
The normally-closed contact series connection of catalyst J4, the connection of described catalyst J4 control contactor J3, J5 normally opened contact or disconnection；Described connect
The normally-closed contact of tentaculum J4 is connected with catalyst J3, for connection or the disconnection of control contactor J3 normally opened contact.
2. master switch testing experiment instrument as claimed in claim 1, it is characterised in that: described phase sequence permutator includes being connected in parallel on one
The catalyst J1, the catalyst J2 that rise and control switch K1；Described control switch K1 be single-pole double-throw switch (SPDT), its not moved end respectively with
Catalyst J1 and catalyst J2 connects.
3. master switch testing experiment instrument as claimed in claim 1, it is characterised in that: also include in parallel with described phase sequence permutator
Transformator, the outfan of described transformator is provided with stopwatch.
4. master switch testing experiment instrument as claimed in claim 1, it is characterised in that: also include in parallel with described phase sequence permutator
Transformator, the outfan of described transformator is provided with bulb.
5. master switch testing experiment instrument as claimed in claim 1, it is characterised in that: also include in parallel with described phase sequence permutator
Power supply indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620659215.9U CN205691741U (en) | 2016-06-23 | 2016-06-23 | Master switch testing experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620659215.9U CN205691741U (en) | 2016-06-23 | 2016-06-23 | Master switch testing experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691741U true CN205691741U (en) | 2016-11-16 |
Family
ID=57426717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620659215.9U Active CN205691741U (en) | 2016-06-23 | 2016-06-23 | Master switch testing experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691741U (en) |
-
2016
- 2016-06-23 CN CN201620659215.9U patent/CN205691741U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210622 Address after: No.10, Jinxian Lane 1, songjiazhai, Zhijia Town, Yangxi County, Yangjiang City, Guangdong Province, 529800 Patentee after: Guangdong Chuanyu Machinery Equipment Co.,Ltd. Address before: 300452 1-3-303, Hongyuan garden, Tanggu, Binhai New Area, Tianjin Patentee before: TIANJIN HAIYINSHENG SHIPPING ENGINEERING Co.,Ltd. |