CN108957310A - A kind of portable plant electricity consumption fast switching device testing cassete - Google Patents
A kind of portable plant electricity consumption fast switching device testing cassete Download PDFInfo
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- CN108957310A CN108957310A CN201811034341.5A CN201811034341A CN108957310A CN 108957310 A CN108957310 A CN 108957310A CN 201811034341 A CN201811034341 A CN 201811034341A CN 108957310 A CN108957310 A CN 108957310A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention discloses a kind of portable plant electricity consumption fast switching device testing cassetes, circuit module including shell and the electrical component and enclosure interior that are installed on shell, the circuit module includes work breaker operator circuit, it back-up breaker operation circuit and opens into signal circuit, the work breaker operator circuit, back-up breaker operation circuit and the connection type for opening into signal circuit are all made of and are connected in parallel, the work breaker operator circuit includes work closing circuit and work sub-gate circuit, the back-up breaker operation circuit includes spare closing circuit and spare sub-gate circuit.By the above-mentioned means, the present invention meets the test of station service fast switching device handoff functionality, it is time-consuming to shorten service personnel's work, reduce working strength, working efficiency is improved, keeps test job simple and clear, reduces and tests artificial False Rate, improve test accuracy, it is light-weight with small in size, it is easy to carry, the advantages that use scope is wide, practical.
Description
Technical field
The present invention relates to the technical fields more particularly to a kind of portable plant of relay protection of power system and automation equipment
Electricity consumption fast switching device testing cassete, for examining the auxiliary testing tool of station service fast switching device handoff functionality.
Background technique
With industrial development, the industries such as electric power, chemical industry, coal and metallurgy have the occasion of more high-tension motor load,
It is required that the working power and backup power source of auxiliary bus bar cannot cause equipment outage or equipment impact damage in switching,
Therefore, to guarantee that service power switches reliability and safety, station service fast switching device is more and more to be used in above-mentioned occasion.
All or part of verification must be all carried out before the new installation and operation of station service fast switching device or after regular inspection, visiting to device, wherein
Handoff functionality test is an important inspection project.
Although the test of station service fast switching device handoff functionality can be directly with work incoming power breaker, spare inlet wire electricity
Source breaker carries out practical handover operation, but this belt fuser transmission test is not only limited by bus power failure, that is, work with it is standby
Must be simultaneously in state out of service with two incoming power breakers, and make breaker due to repeating test division is also repeatedly
Adverse effect can be caused to breaker, therefore, the test of station service fast switching device handoff functionality is generally surveyed using dedicated relay protection
The status switch module in instrument is tried to complete.
But station service fast switching device handoff functionality is completed using status switch module in dedicated relay-protection tester and is surveyed
Examination has the following problems:
1) relay-protection tester needs external alternating current 220V working power；
2) the nearly 20kG of relay-protection tester weight, it has not been convenient to carry, be not necessarily to impressed current voltage analog, only testing station service
In the case where fast switching device switch logic function, the unnecessary waste of manpower is caused；
3) setting of relay-protection tester test program is cumbersome, requires technical staff's level of skill high；
4) not intuitive to the gate-dividing state of work breaker and back-up breaker, "on" position and handoff procedure performance.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of portable plant electricity consumption fast switching device testing cassetes, meet station-service
Electric fast switching device handoff functionality test shortens service personnel's work time-consuming, reduces working strength, improve working efficiency, make to test
Work simple and clear, reduce and test artificial False Rate, improve test accuracy, have it is small in size, it is light-weight, it is easy to carry, make
It is wide with range, it is practical the advantages that.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: provide a kind of portable plant electricity consumption
Fast switching device testing cassete, the circuit module including shell and the electrical component and enclosure interior that are installed on shell are described
Circuit module includes work breaker operator circuit, back-up breaker operation circuit and opens into signal circuit, and the work is disconnected
Road device operation circuit, back-up breaker operation circuit and the connection type for opening into signal circuit are all made of and are connected in parallel, described
Work breaker operator circuit includes work closing circuit and work sub-gate circuit, and the back-up breaker operation circuit includes
Spare closing circuit and spare sub-gate circuit.
In a preferred embodiment of the present invention, the power supply of the circuit module includes working power and backup power source.
In a preferred embodiment of the present invention, the working power is powered using DC 5V USB power connector；It is described
Backup power source using 5V it is rechargeable battery powered and by USB power connector to 5V rechargeable battery charge.
In a preferred embodiment of the present invention, the shell includes top cover and side plate, the top cover activity setting
In the upper end of side plate.
In a preferred embodiment of the present invention, the electrical component include work combined floodgate indicator light, work separating brake refer to
Show lamp, work switch knob, work opening button, work closing relay, work separating brake relay, spare combined floodgate indicator light,
Spare separating brake indicator light, spare switch knob, spare opening button, spare closing relay, spare separating brake relay, first open
Enter signal lamp, second open into signal lamp, testing cassete power switch and test jack, the work is closed a floodgate instruction
It is lamp, work separating brake indicator light, work switch knob, work opening button, spare combined floodgate indicator light, spare separating brake indicator light, standby
It is opened with switch knob, spare opening button, first and is opened into signal lamp, second into signal lamp and testing cassete power switch
Be arranged on top cover, the multipair test jack is arranged on side plate, the work closing relay, work separating brake after
Electric appliance, spare closing relay and spare separating brake relay are arranged in shell.
In a preferred embodiment of the present invention, the work closing relay, work separating brake relay, spare combined floodgate
Relay and spare separating brake relay are all made of high level triggering.
In a preferred embodiment of the present invention, the work closing circuit respectively with work combined floodgate indicator light, work
Switch knob is connected with work closing relay, and the work sub-gate circuit divides with work separating brake indicator light, work respectively
Lock button is connected with work separating brake relay；The spare closing circuit respectively with spare combined floodgate indicator light, spare combined floodgate
Button is connected with spare closing relay；The spare sub-gate circuit is pressed with spare separating brake indicator light, spare separating brake respectively
Button is connected with spare separating brake relay.
In a preferred embodiment of the present invention, the testing cassete power switch selects the miniature ship type of 10 × 15mm to open
It closes.
In a preferred embodiment of the present invention, the work combined floodgate indicator light and spare combined floodgate indicator light are using red
Indicator light；Work separating brake indicator light and spare separating brake indicator light use green indicator light；First opens into signal lamp and second
It opens into signal lamp using white indicating light.
In a preferred embodiment of the present invention, the test jack includes closing performance test jack a pair, division of labor work
Test jack is a pair of, the work jack of combined floodgate back-to-back testing is a pair of, the work jack of separating brake back-to-back testing a pair, closes alternate tests
Jack is a pair of, divides alternate tests jack a pair, the spare back-to-back testing of combined floodgate jack a pair, the spare back-to-back testing jack of separating brake
A pair, first, which open, to open into signal test jack a pair and second into signal test jack a pair.
The beneficial effects of the present invention are: portable plant electricity consumption fast switching device testing cassete of the invention, meets station service and cuts fastly
The test of device handoff functionality shortens service personnel's work time-consuming, reduces working strength, improve working efficiency, keep test job straight
It sees and is illustrated, reduce and test artificial False Rate, improve test accuracy, there is small in size, light-weight, easy to carry, use scope
Extensively, the advantages that practical.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the circuit diagram of circuit module in portable plant electricity consumption fast switching device testing cassete of the present invention；
Fig. 2 is the outline structural diagram of portable plant electricity consumption fast switching device testing cassete of the present invention；
Fig. 3 is the structural schematic diagram of top cover in Fig. 2；
Fig. 4 is the structural schematic diagram of Fig. 2 latus inframedium；
Appended drawing reference is as follows: 1, shell, 2, circuit module, 21, work breaker operator circuit, and 22, back-up breaker operates back
Road, 23, open into signal circuit, 24, work closing circuit, 25, work sub-gate circuit, 26, spare closing circuit, 27, spare point
Lock circuit.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As depicted in figs. 1 and 2, the embodiment of the present invention includes:
A kind of portable plant electricity consumption fast switching device testing cassete, including shell 1 and the electrical component and shell that are installed on shell 1
Circuit module 2 inside 1, the circuit module 2 include work breaker operator circuit 21, back-up breaker operation circuit 22
With open into signal circuit 23, the work breaker operator circuit 21, back-up breaker operation circuit 22 and opening is returned into signal
The connection type on road 23, which is all made of, to be connected in parallel, and the work breaker operator circuit 21 includes work closing circuit 24 and work
Make sub-gate circuit 25, the back-up breaker operation circuit 22 includes spare closing circuit 26 and spare sub-gate circuit 27.
Among the above, the power supply of the circuit module 2 includes working power and backup power source.Wherein, work electricity
Source is powered using DC 5V USB power connector；The backup power source is rechargeable battery powered using 5V and passes through USB power connector
It charges to 5V rechargeable battery.
As shown in Fig. 2, the shell 1 includes top cover 11 and side plate 12, the top cover 11 is movably arranged on side plate 12
Upper end.
Further, the electrical component includes work combined floodgate indicator light HD1, work separating brake indicator light LD1, work
Switch knob HA1, work opening button TA1, work closing relay HJ1, work separating brake relay TJ1, the instruction of spare combined floodgate
It is lamp HD2, spare separating brake indicator light LD2, spare switch knob HA2, spare opening button TA2, spare closing relay HJ2, standby
It is opened with separating brake relay TJ2, first and is opened into signal lamp XD1, second into signal lamp XD2, power switch K and ten pairs
Jack is tested, the work combined floodgate indicator light HD1, work separating brake indicator light LD1, work switch knob HA1, work separating brake are pressed
Button TA1, spare combined floodgate indicator light HD2, spare separating brake indicator light LD2, spare switch knob HA2, spare opening button TA2,
One open signal lamp XD1, second open signal lamp XD2, testing cassete power switch K is arranged on top cover 11, ten
The test jack is arranged on side plate 12, it is the work closing relay HJ1, work separating brake relay TJ1, standby
It is arranged in shell 1 with closing relay HJ2 and spare separating brake relay TJ2.In the present embodiment, the testing cassete power supply
Switch K selects the miniature ship type switch of 10 × 15mm.
Wherein, the work closing relay HJ1, work separating brake relay TJ1, spare closing relay HJ2 and standby
High level triggering is all made of with separating brake relay TJ2.
Among the above, the work closing circuit 24 respectively with work combined floodgate indicator light HD1, work switch knob HA1 and
Work closing relay HJ1 be connected, the work sub-gate circuit 25 respectively with work separating brake indicator light LD1, work separating brake
Button TA1 is connected with work separating brake relay TJ1；The spare closing circuit 26 respectively with spare combined floodgate indicator light HD2,
Spare switch knob HA2 is connected with spare closing relay HJ2；The spare sub-gate circuit 27 refers to spare separating brake respectively
Show that lamp LD2, spare opening button TA2 are connected with spare separating brake relay TJ2.
Among the above, the work combined floodgate indicator light HD1 and spare combined floodgate indicator light HD2 uses red indicating light；Work
Separating brake indicator light LD1 and spare separating brake indicator light LD2 uses green indicator light；First opens and opens into signal lamp XD1 and second
Enter signal lamp XD2 using white indicating light.
Ten pairs of test jacks include that conjunction performance test jack (A1, A2) is a pair of, dividing the work is tested jack (B1, B2)
A pair of, the work jack of combined floodgate back-to-back testing (E1, E2) a pair, the work jack of separating brake back-to-back testing (F1, F2) is a pair of, it is standby to close
With test jack (C1, C2) a pair, divide alternate tests jack (D1, D2) a pair, the spare back-to-back testing of combined floodgate jack (G1, G2)
A pair of, the spare back-to-back testing of separating brake jack (H1, H2) is a pair of, first opens into signal test jack (I1, I2) a pair and second
It opens a pair of into signal test jack (J1, J2).
To meet the test of station service fast switching device handoff functionality, in shell 1 interior circuit module 2 by two breakers operation
Circuit composition, as shown in the figure:
A. work breaker operator circuit:
Original state: device powers on, not operating state at work closing relay HJ1, work separating brake relay TJ1, normally closed to connect
On-state at point HJ1-4, work separating brake indicator light LD1 are bright；On-state at normally closed contact HJ1-5, it is defeated by jack F1, F2
The separating brake that works out feeds back to fast switching device；On-state at normally closed contact TJ1-1 makes work closing circuit be in ready
State.
Closing operation: can by the work switch knob HA1 or fast switching device of lower case export close work order make contact A1,
A2 is connected, and work closing relay HJ1 movement, normal opened contact HJ1-1 closure keeps closing circuit, normal opened contact HJ1-
2 closures light work combined floodgate indicator light HD1；Its normal opened contact HJ1-3 closure, has been closed a floodgate instead by jack E1, E2 output services
It is fed to fast switching device, so far completes work breaker switching-on operation.
Sub-switching operation: can by the work opening button TA1 or fast switching device of lower case export divide work order make contact B1,
B2 is connected, and work separating brake relay TJ1 movement, normally closed contact TJ1-1 is opened, and the work for being still within action state is made to close a floodgate
Relay HJ1 power loss returns, and normally closed contact HJ1-4 is turned back on, and lights work separating brake indicator light LD1；Its normally closed contact
HJ1-5 is turned back on, and by jack F1, F2 output services, separating brake feeds back to fast switching device, so far completes work breaker point
Lock operation.
B. back-up breaker operation circuit:
Original state: device powers on, not operating state at spare closing relay HJ2, spare separating brake relay TJ2, normally closed to connect
On-state at point HJ2-4, spare separating brake indicator light LD2 are bright；On-state at normally closed contact HJ2-5, it is defeated by jack H1, H2
Spare separating brake feeds back to fast switching device out；On-state at normally closed contact TJ2-1 makes spare closing circuit be in ready
State.
Closing operation: can by the spare switch knob HA2 or fast switching device of lower case export close standby command make contact C1,
C2 is connected, and spare closing relay HJ2 movement, normal opened contact HJ2-1 closure keeps closing circuit, normal opened contact
HJ2-2 closure lights spare combined floodgate indicator light HD2；Its normal opened contact HJ2-3 closure, by jack G1, G2, output is ready for use has closed
Lock feeds back to fast switching device, so far completes back-up breaker closing operation.
Sub-switching operation: can by the spare opening button TA2 or fast switching device of lower case export a point standby command make contact D1,
D2 is connected, and spare separating brake relay TJ2 movement, normally closed contact TJ2-1 is opened, and makes the spare combined floodgate for being still within action state
Relay HJ2 power loss returns, and normally closed contact HJ2-4 is turned back on, and lights spare separating brake indicator light LD2；Its normally closed contact
HJ2-5 is turned back on, by jack H1, H2 output is ready for use separating brake feed back to fast switching device, so far complete back-up breaker point
Lock operation.
C. it opens into signal circuit:
One contact of fast switching device output signal is connected by jack I1, I2, is lighted first and is opened into signal lamp XD1；
Fast switching device output signal two point is connected by jack J1, J2, is lighted second and is opened into signal lamp XD2.
In above scheme, the preferred embodiment of each section element is as follows:
1) top cover 11 of the shell 1 is set as movable part, can be easily installed or take out 5V rechargeable battery.
2) 5V rechargeable battery charges, and can be charged by USB power connector to 5V rechargeable battery, it is also possible to external dedicated to fill
Electric appliance charging.
3) selection of 1 mounting electric element 2 of shell:
A. jack is tested, 4mm binding post is selected, close a floodgate red, the separating brake of test jack (A1, A2, C1, C2, E1, E2, G1, G2)
Jack (B1, B2, D1, D2, F1, F2, H1, H2) is tested with green, signal tests jack (I1, I2, J1, J2) with white；
B. battery main switch K selects the miniature ship type switch of 10 × 15mm；
C. indicator light selects 6mmLED indicator light, close a floodgate instruction red, separating brake instruction green, signal lamp white；
D. button selects 10mm pocket buttons, and switch knob is red, opening button green.
E. shell component is arranged, for the obvious operation circuit for distinguishing work and spare two electric power incoming line breakers, two
The operation component of a breaker is divided to two region arrangements, picture frame and obvious mark of labelling.
F. all component tag identifiers.
4) enclosure interior circuit components select:
A. relay uses 8 tunnel relay module of 5V-, and work breaker operator circuit, back-up breaker operation circuit respectively use one
Block, each relay are triggered using high level, and HJ1, HJ2 take three secondary normal opened contacts and two secondary normally closed contacts, and TJ1, TJ2 take a width
Normally closed contact realizes operation and display function by schematic diagram wiring；
B. circuit connection is welded using 1.0mm copper multi-strand flexible cord and terminal connects.
Portable plant electricity consumption fast switching device testing cassete of the invention has the advantages that compared with prior art
1) power unit, using DC 5V USB safety power supply, and 5V rechargeable battery is not necessarily to outer power-up as spare when in use
Source；
2) since voltage class is low, using the components such as banked relay module, small-sized indicator light, pocket buttons, after integration, shell
Body is small in size, light-weight, easy to carry；
3) panel sets separating brake, closing operation button and separating brake, the closing position indicator light of work, spare two breakers, is used for
Show switching state, it is simple and clear；
4) the dedicated jack of reaying protection test line is used, realizes that plug and play, shell itself are tested without long lead, when use is pulled
Wiring is simple and fast, and work efficiency is high；
5) it is designed for fast switching device, exportable two breakers switching on and off state feedback is opened into two paths of signals, and satisfaction is cut fastly
Device to test requirement；
6) testing cassete circuit is simple, and manufacturing cost is low；
7) use scope is wide, practical, which is applicable not only to the more complex outlet logic of fast switching device handoff functionality
Test, while being also applied for the more occasion of relay protection transmission test, can not stop transport in protective device outlet breaker and
When needing to verify outlet loop correctness, it can be used as two simple breaker simulations and use.
In conclusion portable plant electricity consumption fast switching device testing cassete of the invention, meets station service fast switching device switching function
It can test, shorten service personnel's work time-consuming, reduce working strength, raising working efficiency keeps test job simple and clear, reduces
It tests artificial False Rate, improves test accuracy, have small in size, light-weight, easy to carry, use scope is wide, practical
The advantages that.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of portable plant electricity consumption fast switching device testing cassete, which is characterized in that including shell and the electricity being installed on shell
The circuit module of gas element and enclosure interior, the circuit module include work breaker operator circuit, back-up breaker behaviour
Make circuit and to open into signal circuit, the work breaker operator circuit, back-up breaker operation circuit and opening is returned into signal
The connection type on road, which is all made of, to be connected in parallel, and the work breaker operator circuit includes work closing circuit and work separating brake
Circuit, the back-up breaker operation circuit include spare closing circuit and spare sub-gate circuit.
2. portable plant electricity consumption fast switching device testing cassete according to claim 1, which is characterized in that the circuit module
Power supply include working power and backup power source.
3. portable plant electricity consumption fast switching device testing cassete according to claim 2, which is characterized in that the working power
It is powered using DC 5V USB power connector；The backup power source is rechargeable battery powered using 5V and passes through USB power connector pair
The charging of 5V rechargeable battery.
4. portable plant electricity consumption fast switching device testing cassete according to claim 1, which is characterized in that the shell includes
Top cover and side plate, the top cover are movably arranged on the upper end of side plate.
5. portable plant electricity consumption fast switching device testing cassete according to claim 4, which is characterized in that the electrical component
Including work combined floodgate indicator light, work separating brake indicator light, work switch knob, work opening button, work closing relay,
Work separating brake relay, spare combined floodgate indicator light, spare separating brake indicator light, spare switch knob, spare opening button, spare conjunction
Lock relay, spare separating brake relay, first, which open, to open into signal lamp, second into signal lamp, testing cassete power switch
And test jack, the work combined floodgate indicator light, work separating brake indicator light, work switch knob, work opening button, standby
It is opened with combined floodgate indicator light, spare separating brake indicator light, spare switch knob, spare opening button, first into signal lamp, second
It opens signal lamp and testing cassete power switch is arranged on top cover, the multipair test jack is arranged on side plate,
Work closing relay, work separating brake relay, spare closing relay and the spare separating brake relay is arranged at shell
In vivo.
6. portable plant electricity consumption fast switching device testing cassete according to claim 5, which is characterized in that the work is closed a floodgate
Relay, work separating brake relay, spare closing relay and spare separating brake relay are all made of high level triggering.
7. portable plant electricity consumption fast switching device testing cassete according to claim 5, which is characterized in that the work is closed a floodgate
Circuit is connected with work combined floodgate indicator light, work switch knob and work closing relay respectively, and the work separating brake returns
Road is connected with work separating brake indicator light, work opening button and work separating brake relay respectively；The spare closing circuit
It is connected respectively with spare combined floodgate indicator light, spare switch knob and spare closing relay；The spare sub-gate circuit point
It is not connected with spare separating brake indicator light, spare opening button and spare separating brake relay.
8. portable plant electricity consumption fast switching device testing cassete according to claim 5, which is characterized in that the testing cassete electricity
Source switch selects the miniature ship type switch of 10 × 15mm.
9. portable plant electricity consumption fast switching device testing cassete according to claim 5, which is characterized in that the work is closed a floodgate
Indicator light and spare combined floodgate indicator light use red indicating light；Work separating brake indicator light and spare separating brake indicator light are referred to using green
Show lamp；First opens and opens into signal lamp into signal lamp and second using white indicating light.
10. portable plant electricity consumption fast switching device testing cassete according to claim 5, which is characterized in that the test is inserted
Hole includes that conjunction performance test jack is a pair of, dividing the work has been tested a pair of jack, the work jack of combined floodgate back-to-back testing a pair, work
Separating brake back-to-back testing jack is a pair of, it is a pair of to close alternate tests jack, point alternate tests jack is a pair of, spare back-to-back testing of having closed a floodgate
Jack a pair, the spare back-to-back testing of separating brake jack a pair, first open to open into signal test jack a pair and second and try into signal
Test jack a pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034341.5A CN108957310A (en) | 2018-09-06 | 2018-09-06 | A kind of portable plant electricity consumption fast switching device testing cassete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034341.5A CN108957310A (en) | 2018-09-06 | 2018-09-06 | A kind of portable plant electricity consumption fast switching device testing cassete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108957310A true CN108957310A (en) | 2018-12-07 |
Family
ID=64475964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811034341.5A Pending CN108957310A (en) | 2018-09-06 | 2018-09-06 | A kind of portable plant electricity consumption fast switching device testing cassete |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3593099A (en) * | 1969-07-24 | 1971-07-13 | Hans K Scholl | Automatic battery tester with recording means for battery performance |
| US20140092512A1 (en) * | 2012-09-29 | 2014-04-03 | Danaher (Shanghai) Industrial Instrumentation Technologies R&D Co., Ltd. | Battery Tester |
| CN204613737U (en) * | 2015-05-12 | 2015-09-02 | 华电（北京）热电有限公司 | Switch analogue means |
| CN205679739U (en) * | 2016-06-12 | 2016-11-09 | 大唐华银电力股份有限公司金竹山火力发电分公司 | The test device of Auxiliary System in Power Plant source fast switching system |
| CN107783001A (en) * | 2017-12-24 | 2018-03-09 | 康楷 | Fast switching device definite value static check chamber |
| CN208736980U (en) * | 2018-09-06 | 2019-04-12 | 江苏常熟发电有限公司 | A kind of portable plant electricity consumption fast switching device testing cassete |
-
2018
- 2018-09-06 CN CN201811034341.5A patent/CN108957310A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3593099A (en) * | 1969-07-24 | 1971-07-13 | Hans K Scholl | Automatic battery tester with recording means for battery performance |
| US20140092512A1 (en) * | 2012-09-29 | 2014-04-03 | Danaher (Shanghai) Industrial Instrumentation Technologies R&D Co., Ltd. | Battery Tester |
| CN204613737U (en) * | 2015-05-12 | 2015-09-02 | 华电（北京）热电有限公司 | Switch analogue means |
| CN205679739U (en) * | 2016-06-12 | 2016-11-09 | 大唐华银电力股份有限公司金竹山火力发电分公司 | The test device of Auxiliary System in Power Plant source fast switching system |
| CN107783001A (en) * | 2017-12-24 | 2018-03-09 | 康楷 | Fast switching device definite value static check chamber |
| CN208736980U (en) * | 2018-09-06 | 2019-04-12 | 江苏常熟发电有限公司 | A kind of portable plant electricity consumption fast switching device testing cassete |
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