CN208621691U - A kind of power transformer multi-product test macro - Google Patents
A kind of power transformer multi-product test macro Download PDFInfo
- Publication number
- CN208621691U CN208621691U CN201721660640.0U CN201721660640U CN208621691U CN 208621691 U CN208621691 U CN 208621691U CN 201721660640 U CN201721660640 U CN 201721660640U CN 208621691 U CN208621691 U CN 208621691U
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- China
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- power transformer
- interface
- input terminal
- control panel
- probe
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model relates to a kind of power transformer multi-product test macros, including test host, multiway bit scan box, winding displacement and probe;The multiway bit scan box includes control interface, measurement interface, control panel, relay matrix channel and channel interface, the control interface input terminal connecting test host, output end connect control panel input terminal, and the measurement interface input terminal connecting test host, output end connect control panel input terminal;The output end of the control panel connects multiple relay matrix channels being arranged in parallel;The relay matrix channel passes through channel interface respectively and connect with winding displacement;The winding displacement connects power transformer to be measured by probe.The system of the utility model can integrate the test of multiple power transformer products with judgement, and the measurement of multiple power transformers can be only completed with a host and a scan box.
Description
Technical field
The utility model relates to electrical component the field of test technology more particularly to a kind of power transformer multi-product test systems
System.
Background technique
Power transformer is a kind of soft magnetism electromagnetic component, and function is power transmission, voltage transformation and is dielectrically separated from.Almost institute
Power transformer will be used in some electronic products.Power transformer before being delivered for use, each major parameter (such as inductance Ls,
Leakage inductance Lk, circle than Turn, phase Phase, D.C. resistance DCR etc.) measurement be essential.
Traditional test method is that a scan box is controlled using an integrated testing instrument for transformer, configures one in scan box
A jig, tested transformer are put into jig, and transformer lead pin and jig reed are locked and contacted by cylinder movement.
This method feature is can only once to survey one or two power transformer, inefficiency.In human cost higher and higher today,
Transformer production examines producer that can detect multiple transformers simultaneously there is an urgent need to a kind of, and can judge wherein which transformer closes
Lattice, the underproof test macro of which transformer.
Utility model content
In order to solve the above-mentioned technical problem, a kind of efficient test macro that can detect multiple power transformers simultaneously is provided,
The utility model the following technical schemes are provided:
A kind of power transformer multi-product test macro, including test host, multiway bit scan box, winding displacement and probe;
The multiway bit scan box includes control interface, measures interface, control panel, relay matrix channel and channel interface, described
Control interface input terminal connecting test host, output end connect control panel input terminal, the measurement interface input terminal connecting test
Host, output end connect control panel input terminal;It is logical that the output end of the control panel connects multiple relay matrix being arranged in parallel
Road;The relay matrix channel passes through channel interface respectively and connect with winding displacement;The winding displacement connects power supply to be measured by probe
Transformer.
The test host is according to relay square in the position of power transformer to be measured and quantity control multiway bit scan box
The disconnection and closure in battle array channel, and complete power transformer major parameter to be measured and (such as inductance Ls, leakage inductance Lk, enclose than Turn, phase
Phase, D.C. resistance DCR etc.) measurement and compare;
The control panel of the multiway bit scan box is received the control signal of test host by control interface, is connect by measurement
The measuring signal of mouth receiving host, and the disconnection and closure that the control signal control relay matrix by receiving passes through, institute
The channel interface stated then is used to complete the connection of multiway bit scan box and external winding displacement;
The probe is used to complete the connection of power transformer pin and winding displacement to be measured.
It further, further include cylinder, the cylinder is contacted for being depressed into power transformer pin to be measured with probe, really
Protect the pin of power transformer to be measured and the reliable contacts of probe.
Further, every probe is connected with two winding displacements, and each corresponding 4 winding displacements of power transformer to be measured form four
End measurement enables to leakage inductance Lk, D.C. resistance DCR test more accurate, stable using four end test philosophies.
The utility model has the beneficial effects that: the test of multiple transformers can be integrated with judgement, only
One host and a scan box can complete the measurement of multiple power transformers, easy to operate, reduce transformer testing
The difficulty of operation effectively improves the testing efficiency of power transformer.
Detailed description of the invention
The system structure diagram of Fig. 1, the utility model.
Fig. 2, the utility model multiway bit scan box structural block diagram.
Specific embodiment
A kind of power transformer multi-product test macro as shown in Figs. 1-2, including test host, multiway bit scan box,
Winding displacement and probe;The multiway bit scan box include control interface, measurement interface, control panel, relay matrix channel and
Channel interface, the control interface input terminal connecting test host, output end connect control panel input terminal, and the measurement interface is defeated
Enter to hold connecting test host, output end connection control panel input terminal;The output end of the control panel connects multiple be arranged in parallel
Relay matrix channel;The relay matrix channel passes through channel interface respectively and connect with winding displacement;The winding displacement passes through probe
Connect power transformer to be measured.Each relay matrix channel could support up 24 feet in the present embodiment, in total 8 channels, altogether
It can support 192 foot positions.
The test host is according to relay square in the position of power transformer to be measured and quantity control multiway bit scan box
The disconnection and closure in battle array channel, and complete power transformer major parameter to be measured and (such as inductance Ls, leakage inductance Lk, enclose than Turn, phase
Phase, D.C. resistance DCR etc.) measurement and compare;
The control panel of the multiway bit scan box is received the control signal of test host by control interface, is connect by measurement
The measuring signal of mouth receiving host, and the disconnection and closure that the control signal control relay matrix by receiving passes through, institute
The channel interface stated then is used to complete the connection of multiway bit scan box and external winding displacement;
The probe is used to complete the connection of power transformer pin and winding displacement to be measured.
It further include cylinder, the cylinder is contacted for being depressed into power transformer pin to be measured with probe, it is ensured that electricity to be measured
The pin of source transformer and the reliable contacts of probe.
Every probe is connected with two winding displacements, and each corresponding 4 winding displacements of power transformer to be measured form four-terminal measurement, benefit
Enable to leakage inductance Lk, D.C. resistance DCR test more accurate, stable with four end test philosophies.
It is enlightenment, through the above description, relevant staff with above-mentioned foundation the utility model desirable embodiment
Completely various changes and amendments can be carried out in the range of without departing from this item utility model technical idea.This item is practical
Novel technical scope is not limited to the contents of the specification, it is necessary to determine that its is technical according to scope of the claims
Range.
Claims (3)
1. a kind of power transformer multi-product test macro, it is characterised in that: including testing host, multiway bit scan box, winding displacement
And probe;The multiway bit scan box includes control interface, measurement interface, control panel, relay matrix channel and channel
Interface, the control interface input terminal connecting test host, output end connect control panel input terminal, the measurement interface input terminal
Connecting test host, output end connect control panel input terminal;The output end of the control panel connects multiple relays being arranged in parallel
Device matrix channel;The relay matrix channel passes through channel interface respectively and connect with winding displacement;The winding displacement is connected by probe
Power transformer to be measured.
2. a kind of power transformer multi-product test macro as described in claim 1, it is characterised in that: it further include cylinder, institute
Cylinder is stated to contact for being depressed into power transformer pin to be measured with probe.
3. a kind of power transformer multi-product test macro as described in claim 1, it is characterised in that: every probe is with two
Winding displacement connection, each corresponding 4 winding displacements of power transformer to be measured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721660640.0U CN208621691U (en) | 2017-12-04 | 2017-12-04 | A kind of power transformer multi-product test macro |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721660640.0U CN208621691U (en) | 2017-12-04 | 2017-12-04 | A kind of power transformer multi-product test macro |
Publications (1)
Publication Number | Publication Date |
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CN208621691U true CN208621691U (en) | 2019-03-19 |
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CN201721660640.0U Expired - Fee Related CN208621691U (en) | 2017-12-04 | 2017-12-04 | A kind of power transformer multi-product test macro |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112363002A (en) * | 2020-11-25 | 2021-02-12 | 常州同惠电子股份有限公司 | Multi-element parallel test method for safety voltage-resistant instrument |
-
2017
- 2017-12-04 CN CN201721660640.0U patent/CN208621691U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112363002A (en) * | 2020-11-25 | 2021-02-12 | 常州同惠电子股份有限公司 | Multi-element parallel test method for safety voltage-resistant instrument |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20191204 |
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CF01 | Termination of patent right due to non-payment of annual fee |