CN205910225U - RTDS and RT interface auto -change over device of LAB real -time simulation equipment - Google Patents
RTDS and RT interface auto -change over device of LAB real -time simulation equipment Download PDFInfo
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Abstract
The utility model discloses a RTDS and RT interface auto -change over device of LAB real -time simulation equipment, interface auto -change over device include power supply circuit and switching circuit, the switching circuit include relay coil KA and the corresponding single -pole double -throw KA1 of relay coil KA, wherein, single -pole double -throw KA1 includes normally closed contact, normally open contact and movable contact, is normally closed contact connected to RT the communication channel of LAB real -time simulation equipment, normally open contact are connected to the communication channel of RTDS real -time simulation equipment, and perhaps normally closed contact is connected to the communication channel of RTDS real -time simulation equipment, is normally open contact connected to RT the communication channel of LAB real -time simulation equipment, the movable contact is connected to control and protection system, and relay coil KA connects on power supply circuit. The utility model discloses a button can realize that safe and reliable switches, when switching simulation platform, need not to take out stitches, and the commonality is strong, can be applicable to conventional direct current and flexible direct current unit simultaneously.
Description
Technical field
The utility model is related to hardware-in-loop simulation system and in particular to a kind of rtds and rt-lab real-time simulation device
Interface change-over device.
Background technology
Actual controller adds virtual objects and constitutes hardware in loop (hil) analogue system.Conventional high-pressure DC transmission engineering
In flexible DC power transmission engineering, often simulate primary equipment by rtds or rt-lab real-time emulation system, access actual control
Protection system processed, constitutes hardware-in-the-loop simulation platform, is applied to DC engineering and controls protection product test (functional test
Or dynamic performance testing) with the operation maintenance of DC engineering.
Rtds is widely used in power industry, and its component library contains a large amount of power system components, and application is convenient.China exists
Build or put into operation customary DC high voltage direct current transmission project, nearly all build real-time simulation platform with rtds.Rt-lab is in flexibility
The real-time simulation of direct current transportation has wide experience, and China, in the flexible DC power transmission engineering built or put into operation, nearly all uses rt-
Lab carries out hardware in loop and implements emulation.
In Hybrid HVDC engineering, there is customary DC and flexible direct current unit, for making full use of rtds and rt-lab
Respective emulation advantage, preferably builds the hardware-in-the-loop test platform based on rt-lab with based on rtds respectively, and configures corresponding
Interface switching circuit, it is to avoid take out stitches during two sets of analogue system switchings.
Utility model content
In order to solve the above problems, the utility model provides the interface switching of a kind of rtds and rt-lab real-time simulation device
Device, it integrates rtds real-time simulation device and rt-lab real-time simulation device, by arranging switching circuit, makes rtds real
When the communication channel (input channel or output channel) of emulator and rt-lab real-time simulation device and Control protection system
Communication switches over, and meets needs during different emulation, highly versatile.
For achieving the above object, the utility model adopts the technical scheme that:
A kind of rtds and the interface change-over device of rt-lab real-time simulation device, for rtds real-time simulation device and rt-
Lab real-time simulation device be concurrently accessed Control protection system interface switching, described interface change-over device include power circuit with
And switching circuit, described switching circuit includes the corresponding single-pole double throw of relay coil ka and described relay coil ka and opens
Close ka1, wherein, described single-pole double-throw switch (SPDT) ka1 includes normally-closed contact, normally opened contact and movable contact；Described normally-closed contact connects
To the communication channel of rt-lab real-time simulation device, described normally opened contact connects to the communication channel of rtds real-time simulation device,
Or described normally-closed contact connects to the communication channel of rtds real-time simulation device, and described normally opened contact connects real-time to rt-lab
The communication channel of emulator；Described movable contact connects to Control protection system, and described relay coil ka is connected to power supply electricity
Lu Shang.
Described rtds real-time simulation device is respectively rtds analog output card and rt- with rt-lab real-time simulation device
It is logical that lab analog output card, described rtds analog output card and rt-lab analog output card are respectively provided with n output
Road, each output channel all includes output channel positive pole and output channel negative pole, and described switching circuit is n+1, n+1 switching
Circuit is respectively n positive pole switching circuit and 1 negative pole switching circuit, and wherein, the normally-closed contact of i-th positive pole switching circuit is even
Be connected to i-th output channel positive pole of rt-lab analog output card, the normally opened contact of j-th positive pole switching circuit connect to
J-th output channel positive pole of rtds analog output card, the normally-closed contact of described negative pole switching circuit is simulated with rt-lab
Amount output board card all of output channel negative pole is all connected with, the normally opened contact of described negative pole switching circuit and rtds analog output
Board all of output channel negative pole is all connected with, and the movable contact of n+1 switching circuit is connected to Control protection system, n+1
The relay coil ka of switching circuit is all connected on power circuit, 1≤i≤n；1≤j≤n.
Described rtds analog output card and rt-lab analog output card are respectively gtao board and op5330 plate
Card.
Described rtds real-time simulation device is respectively rtds analog input card and rt- with rt-lab real-time simulation device
It is logical that lab analog input card, described rtds analog input card and rt-lab analog input card are respectively provided with n input
Road, each input channel all includes input channel positive pole and input channel negative pole, and described switching circuit is 2n, 2n switching electricity
Road is respectively n positive pole switching circuit and n negative pole switching circuit, and wherein, the normally-closed contact of i-th positive pole switching circuit connects
To i-th input channel positive pole of rt-lab analog input card, the normally opened contact of j-th positive pole switching circuit connect to
J-th input channel positive pole of rtds analog input card, the normally-closed contact of k-th negative pole switching circuit connects to rt-lab
K-th input channel negative pole of analog input card, the normally opened contact of m-th negative pole switching circuit connects to rtds analog quantity
M-th input channel negative pole of input card, the movable contact of 2n switching circuit is connected to Control protection system, 2n switching
The relay coil ka of circuit is all connected on power circuit, 1≤i≤n；1≤j≤n；1≤k≤n；1≤m≤n.
Described rtds analog input card and rt-lab analog input card are respectively gtai board and op5340 plate
Card.
Described rtds real-time simulation device is respectively rtds digital output card and rt- with rt-lab real-time simulation device
It is logical that lab digital output card, described rtds digital output card and rt-lab digital output card are respectively provided with n output
Road, each output channel all includes output channel positive pole and output channel negative pole, and described switching circuit is n+1, n+1 switching
Circuit is respectively n positive pole switching circuit and 1 negative pole switching circuit, and wherein, the normally-closed contact of i-th positive pole switching circuit is even
Be connected to i-th output channel positive pole of rt-lab digital output card, the normally opened contact of j-th positive pole switching circuit connect to
J-th output channel positive pole of rtds digital output card, the normally-closed contact of described negative pole switching circuit and rt-lab numeral
Amount output board card all of output channel negative pole is all connected with, the normally opened contact of described negative pole switching circuit and rtds digital output
Board all of output channel negative pole is all connected with, and rt-lab digital output card all of output channel negative pole is connected to one
Output voltage is first accessory power supply of 24v, and it is defeated that rtds digital output card all of output channel negative pole is connected to one
Go out the second accessory power supply that voltage is 24v；The movable contact of n+1 switching circuit is connected to Control protection system, n+1 switching
The relay coil ka of circuit is all connected on power circuit, 1≤i≤n；1≤j≤n.
Described rtds digital output card and rt-lab digital output card are respectively gtdo board and op5354 plate
Card.
Described rtds real-time simulation device is respectively rtds digital input card and rt- with rt-lab real-time simulation device
It is logical that lab digital input card, described rtds digital input card and rt-lab digital input card are respectively provided with n input
Road, each input channel all includes input channel positive pole and input channel negative pole, and described switching circuit is 2n, 2n switching electricity
Road is respectively n positive pole switching circuit and n negative pole switching circuit, and wherein, the normally-closed contact of i-th positive pole switching circuit connects
To i-th input channel positive pole of rt-lab digital input card, the normally opened contact of j-th positive pole switching circuit connect to
J-th input channel positive pole of rtds digital input card, the normally-closed contact of k-th negative pole switching circuit connects to rt-lab
K-th input channel negative pole of digital input card, the normally opened contact of m-th negative pole switching circuit connects to rtds digital quantity
M-th input channel negative pole of input card, the movable contact of 2n switching circuit is connected to Control protection system, 2n switching
The relay coil ka of circuit is all connected on power circuit, 1≤i≤n；1≤j≤n；1≤k≤n；1≤m≤n.
Described rtds digital input card and rt-lab digital input card are respectively gtdi board and op5353 plate
Card.
Described power circuit includes main power source v1, indicator lamp hl and key switch k, described main power source v1, indicator lamp hl
And key switch k series connection.
Compared with prior art, the utility model has the advantage that the utility model proposes rtds real-time simulation sets
It is standby that (it collectively forms hardware in loop with rtds and rtlab with Access Control protection system while rt-lab real-time simulation device
Analogue system) interface change-over device, and give i/o interface detailed connection plan, be can achieve by button safe and reliable
Switching, during switching emulation platform, need not take out stitches, and highly versatile can be simultaneously suitable for customary DC and flexible direct current unit.
Brief description
Fig. 1 is that the circuit of the interface change-over device embodiment one of the utility model rtds and rt-lab real-time simulation device is former
Reason figure；
Fig. 2 is that the circuit of the interface change-over device embodiment two of the utility model rtds and rt-lab real-time simulation device is former
Reason figure；
Fig. 3 is that the circuit of the interface change-over device embodiment three of the utility model rtds and rt-lab real-time simulation device is former
Reason figure；
Fig. 4 is that the circuit of the interface change-over device example IV of the utility model rtds and rt-lab real-time simulation device is former
Reason figure；
Fig. 5 is that the circuit of the interface change-over device embodiment five of the utility model rtds and rt-lab real-time simulation device is former
Reason figure.
Specific embodiment
With reference to the accompanying drawings and detailed description content of the present utility model is described in further details.
Embodiment one
Refer to shown in Fig. 1, the interface change-over device of a kind of rtds and rt-lab real-time simulation device, it passes through relay
Realize rtds real-time simulation device and rt-lab real-time simulation device be concurrently accessed Control protection system interface switching it is only necessary to
The power switch that set relay coil both positive and negative polarity is connected can complete the switching of analogue system, need not take out stitches.
Specifically, refer to shown in Fig. 1, rtds includes power supply electricity with the interface change-over device of rt-lab real-time simulation device
Road and switching circuit, switching circuit includes the corresponding single-pole double-throw switch (SPDT) of relay coil ka and relay coil ka
Ka1, wherein, single-pole double-throw switch (SPDT) ka1 includes normally-closed contact, normally opened contact and movable contact, and normally-closed contact connects real to rt-lab
When emulator communication channel, normally opened contact connects to the communication channel of rtds real-time simulation device, and movable contact connects to control
Protection system processed, the communication channel of rt-lab real-time simulation device is corresponding with the communication channel of rtds real-time simulation device, continues
Electric apparatus coil ka is connected on power circuit, and relay (being made up of relay coil ka and single-pole double-throw switch (SPDT) ka1) is using electricity
Magnetic-type contact-relay, power circuit includes main power source v1, indicator lamp hl and key switch k, main power source v1, indicator lamp hl with
And key switch k series connection, the two ends after series connection connect to the two ends of relay coil ka.
When switching k when pushing button, power circuit turns on, and indicator lamp hl lights, relay coil ka excitation, single-pole double throw
On switch ka1, the contact of movable contact connects to normally opened contact, the communication channel of rtds real-time simulation device and Control protection system
Realize communication, be now applicable in customary DC system；And when switching k when pushing button again, power circuit disconnects, instruction
Lamp hl extinguishes, relay coil ka loss of excitation, and on single-pole double-throw switch (SPDT) ka1, the contact of movable contact connects to normally-closed contact, rt-lab
The communication channel of real-time simulation device realizes communication with Control protection system, is now applicable in flexible direct current system.Certainly,
Normally opened contact and the corresponding communication channel of normally-closed contact can be replaced, and the course of work in this case is just contrary with above-mentioned.
Embodiment two
Embodiment two is the application in analog output real-time simulation, now, rtds real-time simulation device and rt-lab
Real-time simulation device is respectively rtds analog output card (such as gtao board) and rt-lab analog output card is (for example
Op5330 board), refer to shown in Fig. 2 it is assumed that rtds analog output card and rt-lab analog output card are respectively provided with n
Individual output channel (analog output channel), each output channel all includes output channel positive pole and output channel negative pole, switching
Circuit is n+1, and n+1 switching circuit is respectively n positive pole switching circuit and 1 negative pole switching circuit, and wherein, i-th just
The normally-closed contact of pole switching circuit connects to i-th output channel positive pole of rt-lab analog output card, and j-th positive pole is cut
The normally opened contact changing circuit connects to j-th output channel positive pole of rtds analog output card, negative pole switching circuit normal
Closed contact is all connected with rt-lab analog output card all of output channel negative pole, the normally opened contact of negative pole switching circuit with
Rtds analog output card all of output channel negative pole is all connected with, and the movable contact of n+1 switching circuit is connected to control
Protection system, the relay coil ka of n+1 switching circuit is all connected on power circuit, 1≤i≤n；1≤j≤n, its work
Principle is with embodiment one.
Embodiment three
Embodiment three is the application in analog input real-time simulation, and now rtds real-time simulation device is real with rt-lab
When emulator be respectively rtds analog input card (such as gtai board) and rt-lab analog input card is (for example
Op5340 board).Refer to shown in Fig. 3 it is assumed that rtds analog input card and rt-lab analog input card are respectively provided with n
Individual input channel (analog input channel), each input channel all includes input channel positive pole and input channel negative pole, switching
Circuit is 2n, and 2n switching circuit is respectively n positive pole switching circuit and n negative pole switching circuit, wherein, i-th positive pole
The normally-closed contact of switching circuit connects to i-th input channel positive pole of rt-lab analog input card, j-th positive pole switching
The normally opened contact of circuit connects to j-th input channel positive pole of rtds analog input card, k-th negative pole switching circuit
Normally-closed contact connects to k-th input channel negative pole of rt-lab analog input card, m-th negative pole switching circuit normally opened
Contact portion to rtds analog input card m-th input channel negative pole, the movable contact of 2n switching circuit is connected to
Control protection system, the relay coil ka of 2n switching circuit is all connected on power circuit, 1≤i≤n；1≤j≤n；1≤
k≤n；1≤m≤n, its operation principle is with embodiment one.
Example IV
Example IV is the application in digital output real-time simulation, and now rtds real-time simulation device is real with rt-lab
When emulator be respectively rtds digital output card (such as gtdo board) and rt-lab digital output card is (for example
Op5354 board), refer to shown in Fig. 4, rtds digital output card and rt-lab digital output card be respectively provided with n defeated
Go out passage (digital output passage), each output channel all includes output channel positive pole and output channel negative pole, switching circuit
For n+1, n+1 switching circuit is respectively n positive pole switching circuit and 1 negative pole switching circuit, and wherein, i-th positive pole is cut
The normally-closed contact changing circuit connects to i-th output channel positive pole of rt-lab digital output card, j-th positive pole switching electricity
The normally opened contact on road connects to j-th output channel positive pole of rtds digital output card, and the normally closed of negative pole switching circuit is touched
Point is all connected with rt-lab digital output card all of output channel negative pole, the normally opened contact of negative pole switching circuit and rtds
Digital output card all of output channel negative pole is all connected with, rt-lab digital output card all of output channel negative pole
It is connected to the first accessory power supply that an output voltage is 24v, rtds digital output card all of output channel negative pole is equal
Connecting to an output voltage is second accessory power supply of 24v；The movable contact of n+1 switching circuit is connected to control protection system
System, the relay coil ka of n+1 switching circuit is all connected on power circuit, 1≤i≤n；1≤j≤n, its operation principle is same
Embodiment one.
Embodiment five
Embodiment five is the application inputting in digital quantity in real-time simulation, and now rtds real-time simulation device is real with rt-lab
When emulator be respectively rtds digital input card (such as gtdi board) and rt-lab digital input card is (for example
Op5353 board), refer to shown in Fig. 5, rtds digital input card and rt-lab digital input card be respectively provided with n defeated
Enter passage (digital quantity input channel), each input channel all includes input channel positive pole and input channel negative pole, switching circuit
For 2n, 2n switching circuit is respectively n positive pole switching circuit and n negative pole switching circuit, wherein, i-th positive pole switching
The normally-closed contact of circuit connects to i-th input channel positive pole of rt-lab digital input card, j-th positive pole switching circuit
Normally opened contact connect to j-th input channel positive pole of rtds digital input card, k-th negative pole switching circuit normally closed
Contact portion to rt-lab digital input card k-th input channel negative pole, the normally opened contact of m-th negative pole switching circuit
Connect to m-th input channel negative pole of rtds digital input card, the movable contact of 2n switching circuit is connected to control
Protection system, the relay coil ka of 2n switching circuit is all connected on power circuit, 1≤i≤n；1≤j≤n；1≤k≤
n；1≤m≤n, its operation principle is with embodiment one.
Above-listed detailed description is illustrating for the utility model possible embodiments, and this embodiment simultaneously is not used to limit
The scope of the claims of the present utility model, all equivalence enforcements done without departing from the utility model or change, are intended to be limited solely by this case
In the scope of the claims.
Claims (10)
1. the interface change-over device of a kind of rtds and rt-lab real-time simulation device, for rtds real-time simulation device and rt-lab
The interface that real-time simulation device is concurrently accessed Control protection system switches it is characterised in that described interface change-over device includes electricity
Source circuit and switching circuit, described switching circuit includes the corresponding list of relay coil ka and described relay coil ka
Double-pole double throw switch ka1, wherein, described single-pole double-throw switch (SPDT) ka1 includes normally-closed contact, normally opened contact and movable contact；Described normally closed
Contact portion to rt-lab real-time simulation device communication channel, described normally opened contact connects logical to rtds real-time simulation device
Interrogate passage, or described normally-closed contact connects to the communication channel of rtds real-time simulation device, described normally opened contact connects to rt-
The communication channel of lab real-time simulation device；Described movable contact connects to Control protection system, and described relay coil ka is connected to
On power circuit.
2. the interface change-over device of rtds according to claim 1 and rt-lab real-time simulation device is it is characterised in that institute
State rtds real-time simulation device and be respectively rtds analog output card and rt-lab analog quantity with rt-lab real-time simulation device
Output board card, described rtds analog output card and rt-lab analog output card are respectively provided with n output channel, and each is defeated
Go out passage and all include output channel positive pole and output channel negative pole, described switching circuit is n+1, n+1 switching circuit is respectively
For n positive pole switching circuit and 1 negative pole switching circuit, wherein, the normally-closed contact of i-th positive pole switching circuit connects to rt-
I-th output channel positive pole of lab analog output card, the normally opened contact of j-th positive pole switching circuit connects to rtds mould
J-th output channel positive pole of analog quantity output board card, the normally-closed contact of described negative pole switching circuit and rt-lab analog output
Board all of output channel negative pole is all connected with, the normally opened contact of described negative pole switching circuit and rtds analog output card institute
Some output channel negative poles are all connected with, and the movable contact of n+1 switching circuit is connected to Control protection system, n+1 switching electricity
The relay coil ka on road is all connected on power circuit, 1≤i≤n；1≤j≤n.
3. the interface change-over device of rtds according to claim 2 and rt-lab real-time simulation device is it is characterised in that institute
State rtds analog output card and rt-lab analog output card is respectively gtao board and op5330 board.
4. the interface change-over device of rtds according to claim 1 and rt-lab real-time simulation device is it is characterised in that institute
State rtds real-time simulation device and be respectively rtds analog input card and rt-lab analog quantity with rt-lab real-time simulation device
Input card, described rtds analog input card and rt-lab analog input card are respectively provided with n input channel, and each is defeated
Enter passage and all include input channel positive pole and input channel negative pole, described switching circuit is 2n, and 2n switching circuit is respectively n
Individual positive pole switching circuit and n negative pole switching circuit, wherein, the normally-closed contact of i-th positive pole switching circuit connects to rt-lab
I-th input channel positive pole of analog input card, the normally opened contact of j-th positive pole switching circuit connects to rtds analog quantity
J-th input channel positive pole of input card, the normally-closed contact of k-th negative pole switching circuit connects to rt-lab analog input
K-th input channel negative pole of board, the normally opened contact of m-th negative pole switching circuit connects to rtds analog input card
M-th input channel negative pole, the movable contact of 2n switching circuit is connected to Control protection system, the relay of 2n switching circuit
Device coil ka is all connected on power circuit, 1≤i≤n；1≤j≤n；1≤k≤n；1≤m≤n.
5. the interface change-over device of rtds according to claim 4 and rt-lab real-time simulation device is it is characterised in that institute
State rtds analog input card and rt-lab analog input card is respectively gtai board and op5340 board.
6. the interface change-over device of rtds according to claim 1 and rt-lab real-time simulation device is it is characterised in that institute
State rtds real-time simulation device and be respectively rtds digital output card and rt-lab digital quantity with rt-lab real-time simulation device
Output board card, described rtds digital output card and rt-lab digital output card are respectively provided with n output channel, and each is defeated
Go out passage and all include output channel positive pole and output channel negative pole, described switching circuit is n+1, n+1 switching circuit is respectively
For n positive pole switching circuit and 1 negative pole switching circuit, wherein, the normally-closed contact of i-th positive pole switching circuit connects to rt-
I-th output channel positive pole of lab digital output card, the normally opened contact of j-th positive pole switching circuit connects to rtds number
J-th output channel positive pole of word amount output board card, the normally-closed contact of described negative pole switching circuit and rt-lab digital output
Board all of output channel negative pole is all connected with, the normally opened contact of described negative pole switching circuit and rtds digital output card institute
Some output channel negative poles are all connected with, and rt-lab digital output card all of output channel negative pole is connected to an output electricity
Press the first accessory power supply for 24v, rtds digital output card all of output channel negative pole is connected to an output voltage
The second accessory power supply for 24v；The movable contact of n+1 switching circuit is connected to Control protection system, n+1 switching circuit
Relay coil ka is all connected on power circuit, 1≤i≤n；1≤j≤n.
7. the interface change-over device of rtds according to claim 6 and rt-lab real-time simulation device is it is characterised in that institute
State rtds digital output card and rt-lab digital output card is respectively gtdo board and op5354 board.
8. the interface change-over device of rtds according to claim 1 and rt-lab real-time simulation device is it is characterised in that institute
State rtds real-time simulation device and be respectively rtds digital input card and rt-lab digital quantity with rt-lab real-time simulation device
Input card, described rtds digital input card and rt-lab digital input card are respectively provided with n input channel, and each is defeated
Enter passage and all include input channel positive pole and input channel negative pole, described switching circuit is 2n, and 2n switching circuit is respectively n
Individual positive pole switching circuit and n negative pole switching circuit, wherein, the normally-closed contact of i-th positive pole switching circuit connects to rt-lab
I-th input channel positive pole of digital input card, the normally opened contact of j-th positive pole switching circuit connects to rtds digital quantity
J-th input channel positive pole of input card, the normally-closed contact of k-th negative pole switching circuit connects to the input of rt-lab digital quantity
K-th input channel negative pole of board, the normally opened contact of m-th negative pole switching circuit connects to rtds digital input card
M-th input channel negative pole, the movable contact of 2n switching circuit is connected to Control protection system, the relay of 2n switching circuit
Device coil ka is all connected on power circuit, 1≤i≤n；1≤j≤n；1≤k≤n；1≤m≤n.
9. the interface change-over device of rtds according to claim 8 and rt-lab real-time simulation device is it is characterised in that institute
State rtds digital input card and rt-lab digital input card is respectively gtdi board and op5353 board.
10. the interface change-over device of the rtds according to any one of claim 1-9 and rt-lab real-time simulation device, it is special
Levy and be, described power circuit includes main power source v1, indicator lamp hl and key switch k, described main power source v1, indicator lamp hl with
And key switch k series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620781181.0U CN205910225U (en) | 2016-07-22 | 2016-07-22 | RTDS and RT interface auto -change over device of LAB real -time simulation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620781181.0U CN205910225U (en) | 2016-07-22 | 2016-07-22 | RTDS and RT interface auto -change over device of LAB real -time simulation equipment |
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| CN205910225U true CN205910225U (en) | 2017-01-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329921A (en) * | 2017-08-22 | 2017-11-07 | 云南电网有限责任公司电力科学研究院 | A kind of device switched for multipath electric signal circuit between circuit simulation system |
| CN107340721A (en) * | 2017-07-25 | 2017-11-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
| CN111007672A (en) * | 2019-12-05 | 2020-04-14 | 苏州精濑光电有限公司 | Macroscopic inspection machine for display panel and communication line switching device thereof |
-
2016
- 2016-07-22 CN CN201620781181.0U patent/CN205910225U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340721A (en) * | 2017-07-25 | 2017-11-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
| CN107340721B (en) * | 2017-07-25 | 2023-05-16 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Automatic conversion device of flexible direct-current real-time simulation interface |
| CN107329921A (en) * | 2017-08-22 | 2017-11-07 | 云南电网有限责任公司电力科学研究院 | A kind of device switched for multipath electric signal circuit between circuit simulation system |
| CN111007672A (en) * | 2019-12-05 | 2020-04-14 | 苏州精濑光电有限公司 | Macroscopic inspection machine for display panel and communication line switching device thereof |
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