CN204116572U - Trailer system inverter module dynamic test set - Google Patents
Trailer system inverter module dynamic test set Download PDFInfo
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- CN204116572U CN204116572U CN201420400227.0U CN201420400227U CN204116572U CN 204116572 U CN204116572 U CN 204116572U CN 201420400227 U CN201420400227 U CN 201420400227U CN 204116572 U CN204116572 U CN 204116572U
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- inverter module
- dynamic test
- test set
- trailer system
- system inverter
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Abstract
The utility model discloses a kind of trailer system inverter module dynamic test set, it comprises: input display, signal generation apparatus, signals collecting and pick-up unit, system protection device, and low pressure regulated power supply, described signal generation apparatus is connected with input display, system protection device respectively; Described system protection device is connected with pick-up unit with low pressure regulated power supply, signals collecting respectively; Described signals collecting is connected tested product with pick-up unit.The utility model not only possesses the ability of conventionally test of each model train traction system inverter module vital electrical electron device, functional part, also possesses trailer system inverter module complete machine dynamic test ability.
Description
Technical field
The utility model relates to track traffic trailer system field, particularly relates to a kind ofly to carry out integrated dynamic test for train traction system inverter module, carrys out with this tester whether authentication module meet the technical standards.
Background technology
Trailer system is as train dynamics system, security, reliability requirement are high, product dispatches from the factory from research and development to operation need through strict test, from components and parts level, functional part level, module level to final system level, every one deck test is all essential, the traction products of main flow trailer system supplier all comes Authentication devices function and reliability by routine test or type approval test platform both at home and abroad at present, test platform is numerous and diverse, personnel's utilization factor is low, early stage, contruction and maintenance cost was all high, therefore greatly improved the threshold that emerging manufacturer enters association area.
Existing test products can only complete the routine test of certain particular electrical component, as IGBT, electric capacity, busbar etc., cannot test the inverter module of these electrical equipments integrated.The utility model can fill up this blank, dynamic test can be carried out to the train traction system inverter module be made up of components and parts such as IGBT, electric capacity, busbar, power supply, heating radiators, could technical requirement be met to check train trailer system inverter module thus for the long-term work of module upper track ready.
Summary of the invention
The purpose of this utility model is to provide a kind of trailer system inverter module dynamic test set, to solve above-mentioned deficiency of the prior art, dynamic test cannot be carried out to the train traction system inverter module being integrated with the components and parts compositions such as IGBT, electric capacity, busbar, power supply, heating radiator.
For achieving the above object, the utility model provides a kind of trailer system inverter module dynamic test set, it comprises: input display, signal generation apparatus, signals collecting and pick-up unit, system protection device, and low pressure regulated power supply, described signal generation apparatus is connected with input display, system protection device respectively; Described system protection device is connected with pick-up unit with low pressure regulated power supply, signals collecting respectively; Described signals collecting is connected with tested product respectively with pick-up unit and signal generation apparatus.
Preferably, above-mentioned signal generation apparatus comprises: signal generator and pulse processor, the two is connected.
Trailer system inverter module dynamic test set of the present utility model inputs instruction by input display, and signal generation apparatus produces pulse signal, and the unlatching of gating pulse and shutoff.Modulate by the pulsewidth of certain rule to each pulse signal and the amplification of output voltage, meet the requirement of train traction system inverter modular debugging.The utility model possesses the detectability to the pulse of train traction system inverter module feedback; by the detection to feedback pulse; judge that whether feedback pulse is normal; determine the duty of train traction system inverter module, protect in time in abnormal conditions such as short circuit, overvoltage, under-voltage, overcurrents.
The beneficial effects of the utility model:
The utility model not only possesses the ability of conventionally test of each model train traction system inverter module vital electrical electron device, functional part, also possesses trailer system inverter module complete machine dynamic test ability, can simulate the normal running environment of train for module provides test environment comprehensively and accurately, also possess that equipment composition is simple and easy, easy and simple to handle, security is high and the feature such as with low cost simultaneously, can be emerging manufacturer and enter association area an acceptable point of penetration is provided.
The utility model module each electrical equipment data of testing can disposable integrated acquisition, and level of integrated system is high, and data processing speed is fast, achieves high efficiency and the promptness of system, has really accomplished low-cost high-efficiency energy.
The utility model is as follows than the advantage of traditional individual event testing meter and instrument:
1. accurately test the performance of the every electrical equipment of inverter module;
2. compatibility, fitness between each electrical equipment of preliminary judgement comprising modules;
3. test data shows in real time.
Accompanying drawing explanation
Fig. 1 illustrates the structural principle block scheme of the utility model trailer system inverter module dynamic test set.
Fig. 2 illustrates the structural principle block diagram of the utility model signal generation apparatus.
Embodiment
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.
With reference to shown in Fig. 1 and Fig. 2, trailer system inverter module dynamic test set of the present utility model, in embodiment, for detecting train traction inversion module, not only can test the performance parameter of Primary Component, can test the performance of module complete machine simultaneously, include in the body of this tester: input display 1, signal generation apparatus 2, signals collecting and pick-up unit 3, system protection device 4, and low pressure regulated power supply 5, described signal generation apparatus 2 is connected with input display 1, system protection device 4 and test products 6 respectively; Described system protection device 4 is connected with pick-up unit 3 with low pressure regulated power supply 5, signals collecting respectively; Described signals collecting and pick-up unit 3 connecting test product 6.Be described as follows:
Input display 1 is located on above-mentioned body, can be a liquid crystal input panel, and tester is by its input control order, and described steering order comprises: control test pattern, signal emergence pattern, test duration etc.; Also can test products 6 feedback signal value such as voltage, electric current in test be shown simultaneously.
Signal generation apparatus 2, be connected with above-mentioned input display 1, the traction control unit module being used for simulating train produces pulse, and the unlatching of gating pulse and blockade, be made up of signal generator 21 and pulse processor 22, this signal generator 21 is connected with above-mentioned input display 1, and produces PWM ripple according to above-mentioned input control order, replaces sine wave or required waveform with these pulses; Namely in the half period of output waveform, produce multiple pulse, what make each pulse waits threshold voltage to be sinusoidal waveform, and the output voltage low-order harmonic obtained is few; Modulate by the width of certain rule to each pulse, the size of inverter circuit output voltage can be changed, also can change output frequency.This pulse processor 22 amplifies the PWM ripple process received, and line interface of going forward side by side is changed, and guarantees that interface meets the voltage request of test products; Charge and discharge control is carried out to the DC capacitor of test products simultaneously.
The carrier frequency setting range of above-mentioned signal generator 21: 1-500Hz; Frequency of modulated wave setting range: 1-150Hz; Dead Time setting range: 5-20us; Pulse width modulation scope: 1% ~ 99% is adjustable; Pulse voltage amplitude scope: 0V ~+5V; Size (estimated value): 250*200*100mm.
The Puled input voltage of above-mentioned pulse processor 22: 0 ~ 5V; Pulse output voltage: ± 15V; Duration of charging: < 4 minutes; Discharge time: < 5 minutes; Size (estimated value): 250*200*100mm.
Signals collecting and pick-up unit 3 connecting test product 6(and trailer system inverter module or functional part), detect the response of test products under different pulse excitation, and the signal collected is processed, the duty of control and measuring product 6.
System protection device 4 is connected in pick-up unit 3 with above-mentioned signals collecting; Received signal strength gathers the control and measuring product 6 operating state data signal sent with pick-up unit 3; when occurring damaging the big current of instrument and equipment and module device; cut off the electricity supply in time (i.e. the power supply of low pressure regulated power supply 5 pairs of signal generation apparatus 2), avoid loss.
Low pressure regulated power supply 5 is powered to above-mentioned each device, Main Function is that the 220V mains supply inputted to external world carries out isolating, rectification, control, ensure output voltage, controlled current flow, reach the requirement of test.
Trailer system inverter module dynamic test set of the present utility model is except having perfect function, higher measuring accuracy, also have good human-computer interaction interface, very convenient human users, can be used for routine testing and the rear test of maintenance of trailer system inverter module, can greatly increase work efficiency.
The utility model embody rule approach is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (5)
1. a trailer system inverter module dynamic test set, it is characterized in that, comprise: input display, signal generation apparatus, signals collecting and pick-up unit, system protection device, and low pressure regulated power supply, described signal generation apparatus is connected with input display, system protection device respectively; Described system protection device is also connected with pick-up unit with low pressure regulated power supply, signals collecting respectively; Described signals collecting is connected with tested product respectively with pick-up unit and signal generation apparatus.
2. trailer system inverter module dynamic test set according to claim 1, is characterized in that, described input display is a liquid crystal input panel.
3. trailer system inverter module dynamic test set according to claim 1, it is characterized in that, above-mentioned signal generation apparatus comprises: signal generator and pulse processor, the two is connected.
4. trailer system inverter module dynamic test set according to claim 3, is characterized in that, the carrier frequency setting range of above-mentioned signal generator: 1-500Hz; Frequency of modulated wave setting range: 1-150Hz; Dead Time setting range: 5-20us; Pulse width modulation scope: 1% ~ 99%; Pulse voltage amplitude scope: 0V ~+5V; Size: 250*200*100mm.
5. trailer system inverter module dynamic test set according to claim 3, is characterized in that, the Puled input voltage of above-mentioned pulse processor: 0 ~ 5V; Pulse output voltage: ± 15V; Duration of charging: < 4 minutes; Discharge time: < 5 minutes; Size: 250*200*100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400227.0U CN204116572U (en) | 2014-07-18 | 2014-07-18 | Trailer system inverter module dynamic test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400227.0U CN204116572U (en) | 2014-07-18 | 2014-07-18 | Trailer system inverter module dynamic test set |
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| Publication Number | Publication Date |
|---|---|
| CN204116572U true CN204116572U (en) | 2015-01-21 |
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| CN201420400227.0U Active CN204116572U (en) | 2014-07-18 | 2014-07-18 | Trailer system inverter module dynamic test set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051513A (en) * | 2020-09-10 | 2020-12-08 | 中车大连电力牵引研发中心有限公司 | Power strip state detection circuit |
| 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 |
-
2014
- 2014-07-18 CN CN201420400227.0U patent/CN204116572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051513A (en) * | 2020-09-10 | 2020-12-08 | 中车大连电力牵引研发中心有限公司 | Power strip state detection circuit |
| CN112051513B (en) * | 2020-09-10 | 2023-09-19 | 中车大连电力牵引研发中心有限公司 | Power panel state detection circuit |
| 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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