CN209471149U - A kind of auxiliary connection device of high-voltage inverter test macro - Google Patents
A kind of auxiliary connection device of high-voltage inverter test macro Download PDFInfo
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- CN209471149U CN209471149U CN201821777490.6U CN201821777490U CN209471149U CN 209471149 U CN209471149 U CN 209471149U CN 201821777490 U CN201821777490 U CN 201821777490U CN 209471149 U CN209471149 U CN 209471149U
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- power supply
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- auxiliary connection
- connection device
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Abstract
The utility model discloses a kind of auxiliary connection devices of high-voltage inverter test macro, are made of, are fixed in instruction case circuit board；Wherein, the side of the circuit board is equipped with several the first connecting terminals for being used for connecting test equipment, and the other side is equipped with several the second connecting terminals for being used to connect high-voltage board, load cabinet and tested inverter module；Power supply terminal, PLC control signal input serial ports, decoder, signal latch and several high-voltage relays are additionally provided on the circuit board；Each high-voltage relay is correspondingly connected with first connecting terminal or second connecting terminal；The input terminal that PLC controls signal input serial ports connects PLC, and output end connects the input terminal of decoder, and the output end of decoder connects each high-voltage relay by signal latch；Power supply terminal connection external power supply power supply powers to each component；The auxiliary connection device of the utility model reduces wiring workload, and the safety of tester is ensured.
Description
Technical field
The utility model belongs to the control technology field of power electronics and Electric Power Automation Equipment, refers specifically to for a kind of high pressure
The auxiliary connection device of inverter test macro.
Background technique
High-voltage inverter test macro is completed at the same time control and the letter of inverter for completing inverter bus high voltage supply
Number monitoring, driving simulation inductive load reactor and to dragging motor load to work simulate work of the inverter under different operating conditions
State detects function and its various state of the art parameters under the various states of inverter.
Inverter needs to carry out megger test, voltage-withstand test before carrying out Hi-pot test, carries out in test
Need to pay close attention to the variation of the series of parameters such as its electric current, voltage, temperature in journey constantly, it is therefore desirable to carry out a variety of external testings and set
Standby wiring work.
It usually needs tester to carry out multiple equipment wiring when carrying out inverter test, but also to use some auxiliary
Assistant engineer's tool, such as: the wiring of equipment is completed in the cooperations such as spanner, bottle opener, fixing bolt, and needs constantly to carry phase back and forth
The instrument and meter answered carries out the test of corresponding test content.It is frequently operated in this way so that test process progress has some setbacks very much
Freely, cause tester very tired.Sometimes test content is needed replacing during the test, and tester needs operating
Region and high-pressure area are walked up and down in this way, and there is also some potential safety problems problems.Conventional electric equipment test instrument connects
Wire material is mostly not anti-high pressure, increases certain risk, in addition a multiple wiring of pilot project, gives electrical equipment safety
The problem of operation brings hidden danger.
Summary of the invention
Above-mentioned the deficiencies in the prior art are directed to, the purpose of this utility model is to provide a kind of tests of high-voltage inverter to be
The auxiliary connection device of system, when solving to carry out inverter test in the prior art, tester needs to carry out multiple equipment and connects
Line, and the problem of constantly carrying test of the corresponding instrument and meter to carry out corresponding test content back and forth is needed, pass through
The auxiliary connection device of the utility model only needs primary connection that can pass through behaviour when carrying out inverter Hi-pot test
Make the PLC of platform remotely to control the work of these instruments, completes the single, double pulse test of inverter, no load test, load testing etc.
A series of test content.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of auxiliary connection device of high-voltage inverter test macro of the utility model, is made of circuit board, fixes
In instruction case；Wherein, the side of the circuit board is equipped with several the first connecting terminals for being used for connecting test equipment, the other side
It is used to connect the second connecting terminal of high-voltage board, load cabinet and tested inverter module equipped with several；On the circuit board also
Equipped with power supply terminal, PLC control signal input serial ports, decoder, signal latch and several high-voltage relays；Often
One high-voltage relay is correspondingly connected with first connecting terminal or second connecting terminal；PLC controls signal and inputs serial ports
Input terminal connect PLC, output end connects the input terminal of decoder, and the output end of decoder connects each height by signal latch
Potential relay；Power supply terminal connection external power supply power supply powers to each component.
Preferably, the circuit board is rectangular circuit board, and quadrangle is fixed in instruction case by mounting hole.
Preferably, the test equipment includes: multimeter, pressure tester, impedance instrument, shows insulation tester
Wave device and adjustable DC power supply.
Preferably, the power supply terminal connects DC24V power supply.
Preferably, PLC communication serial ports uses RS485 interface.
Preferably, first connecting terminal is identical as the second connection terminal structure.
Preferably, the model MC14514B of the decoder.
The auxiliary connection device of the high-voltage inverter test macro of the utility model, when work, PLC controls signal input string
Mouthful receive remote console in PLC issue control instruction signal, control instruction signal after decoder is decoded, export to
High-voltage relay corresponding to control instruction controls the on state of the high-voltage relay, and then realization is right to control instruction institute
Answer the working state control of test equipment.
The utility model has the beneficial effects that
Test equipment can be integrated in the same instruction case by the utility model by auxiliary connection device, carry out inversion
It only needs primary connection that can remotely control the work of these test equipments by station when device Hi-pot test, completes
The a series of test contents such as the single, double pulse test of inverter, no load test, load testing.
The utility model reduces wiring workload, and the safety of tester is ensured.
Detailed description of the invention
Fig. 1 is the utility model auxiliary connection structure drawing of device.
Fig. 2 is the first, second connection terminal structure figure in the utility model.
Fig. 3 is the utility model mesohigh relay schematic diagram.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
A kind of auxiliary connection device of high-voltage inverter test macro of the utility model, is made of circuit board, in example,
It is rectangular circuit board, and quadrangle is fixed in instruction case by mounting hole, and the circuit board may be other shapes in other examples
Shape；Wherein,
The side of the circuit board is equipped with several the first connecting terminals for being used for connecting test equipment, first connecting terminal
The tests such as multimeter, insulation tester, pressure tester, impedance instrument, oscillograph and adjustable DC power supply are separately connected to set
Standby, these test equipments are integrated in instruction case together with circuit board；The other side is equipped with several for connecting high-voltage board, load
Second connecting terminal of cabinet and tested inverter module；First connecting terminal is identical as the second connection terminal structure,
For specific structure referring to attached drawing 2, A foot and B foot on each connecting terminal are separately connected test equipment, high-voltage board, load cabinet or tested
Inverter module two terminals；
Be additionally provided on the circuit board power supply terminal, PLC control signal input serial ports, decoder, signal latch with
And several high-voltage relays；Power supply terminal connection DC24V power supply powers to each component；Each high pressure after
Electric appliance is correspondingly connected with first connecting terminal or second connecting terminal, which receives a voltage value
Afterwards, it closes the switch, high-voltage relay conducting, structure is referring to Fig. 3.The input terminal of PLC control signal input serial ports passes through data
Line is connect with PLC, receives the control instruction signal that PLC is sent, and PLC controls the output end connection decoder of signal input serial ports
Input terminal, decoder are decoded processing to the control instruction signal received, and the output end of decoder passes through signal latch
Each high-voltage relay is connected, which carries out storage for a long time to decoded control signal and be convenient for accordingly surveying
Examination.
In embodiment, the auxiliary connection device application method of the utility model is as follows:
Referring to Fig.1, the first connecting terminal 1-6 is connected into multimeter, insulation tester, pressure tester, temperature by conducting wire
Rise tester, oscillograph, adjustable DC power supply；Second connecting terminal 7-13 by conducting wire connect high-voltage board, load cabinet and by
The inverter module of survey；Power supply terminal 14 connects 24V DC power supply；
The PLC in signal input serial ports (com port) and station is controlled by PLC and carries out serial communication setting, receives behaviour
Make the control instruction signal sent on platform, after being decoded by decoder, controls the conducting of the high-voltage relay 15 of corresponding line
State；And then realization is to the working state control of test equipment corresponding to control instruction.
In addition, the PLC on each detection device and station is carried out serial communication setting；Complete auxiliary connection device
The Hi-pot test that inverter module is carried out after the wiring of each connecting terminal and the setting of each serial communication, is selected on station
Select the corresponding test content of control, and the data and condition curve of real-time display test.
There are many utility model concrete application approach, and the above is only the preferred embodiment of the utility model, should
It points out, for those skilled in the art, without departing from the principle of this utility model, can also make
Several improvement out, these improvement also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of auxiliary connection device of high-voltage inverter test macro, which is characterized in that be made of circuit board, be fixed on instrument
In device cabinet；The side of the circuit board is equipped with several the first connecting terminals for being used for connecting test equipment, and the other side is equipped with several
A the second connecting terminal for being used to connect high-voltage board, load cabinet and tested inverter module；Power supply is additionally provided on the circuit board
Connecting terminal, PLC control signal input serial ports, decoder, signal latch and several high-voltage relays；Each high pressure
Relay is correspondingly connected with first connecting terminal or second connecting terminal；PLC controls the input terminal of signal input serial ports
PLC is connected, output end connects the input terminal of decoder, and the output end of decoder connects each high-voltage relay by signal latch
Device；Power supply terminal connection external power supply power supply powers to each component.
2. the auxiliary connection device of high-voltage inverter test macro according to claim 1, which is characterized in that the electricity
Road plate is rectangular circuit board, and quadrangle is fixed in instruction case by mounting hole.
3. the auxiliary connection device of high-voltage inverter test macro according to claim 1, which is characterized in that the survey
Examination equipment includes: multimeter, insulation tester, pressure tester, impedance instrument, oscillograph and adjustable DC power supply.
4. the auxiliary connection device of high-voltage inverter test macro according to claim 1, which is characterized in that the electricity
Source connecting terminal connects DC24V power supply.
5. the auxiliary connection device of high-voltage inverter test macro according to claim 1, which is characterized in that described
PLC controls signal input serial ports and uses RS485 interface.
6. the auxiliary connection device of high-voltage inverter test macro according to claim 1, which is characterized in that described
One connecting terminal is identical as the second connection terminal structure.
7. the auxiliary connection device of high-voltage inverter test macro according to claim 1, which is characterized in that the solution
The model MC14514B of code device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777490.6U CN209471149U (en) | 2018-10-30 | 2018-10-30 | A kind of auxiliary connection device of high-voltage inverter test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777490.6U CN209471149U (en) | 2018-10-30 | 2018-10-30 | A kind of auxiliary connection device of high-voltage inverter test macro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471149U true CN209471149U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821777490.6U Active CN209471149U (en) | 2018-10-30 | 2018-10-30 | A kind of auxiliary connection device of high-voltage inverter test macro |
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| CN (1) | CN209471149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731190A (en) * | 2020-12-04 | 2021-04-30 | 南京轨道交通系统工程有限公司 | Universal tester and method applied to subway train inverter module |
-
2018
- 2018-10-30 CN CN201821777490.6U patent/CN209471149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731190A (en) * | 2020-12-04 | 2021-04-30 | 南京轨道交通系统工程有限公司 | Universal tester and method applied to subway train inverter module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Hongwu Inventor after: Tian Hengjian Inventor after: Hu Shihao Inventor after: Zhang Lingyun Inventor after: Sheng Yongqiang Inventor after: Feng Yue Inventor after: Ma Jian Inventor after: Chen Peng Inventor after: Hua Qingyuan Inventor after: Tian Liling Inventor after: Tong Yan Inventor after: Wang Dong Inventor after: Li Baojun Inventor before: Xu Hongwu Inventor before: Hu Shihao Inventor before: Zhang Lingyun Inventor before: Sheng Yongqiang Inventor before: Ma Jian Inventor before: Chen Peng Inventor before: Hua Qingyuan Inventor before: Tian Liling Inventor before: Tong Yan Inventor before: Wang Dong Inventor before: Li Baojun Inventor before: Tian Hengjian |
|
| CB03 | Change of inventor or designer information |