CN203117334U - Frequency converter whole machine detecting system - Google Patents
Frequency converter whole machine detecting system Download PDFInfo
- Publication number
- CN203117334U CN203117334U CN 201320114507 CN201320114507U CN203117334U CN 203117334 U CN203117334 U CN 203117334U CN 201320114507 CN201320114507 CN 201320114507 CN 201320114507 U CN201320114507 U CN 201320114507U CN 203117334 U CN203117334 U CN 203117334U
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- frequency converter
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- motor
- selection
- host computer
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Abstract
The utility model provides a frequency converter whole machine detecting system which comprises an upper computer, a main control plate, a motor selection plate, a data collecting plate and a loading plate. The upper computer comprises an instruction input unit and a data displaying unit. The motor selection plate comprises a detected frequency converter connecting port and a plurality of output ports which are respectively used for being connected with a motor. The loading plate comprises a plurality of loading ports which are respectively used for being connected with the motor. The main control plate comprises a first transmit-receive circuit and a second transmit-receive circuit. The first transmit-receive circuit is used for sending an order from the upper computer to the motor selection plate and the loading plate. The second transmit-receive circuit is used for sending collected data from the data collecting plate to the upper computer. Through the motor selection plate and the loading plate, the motor can be selected intelligently, a frequency converter can be loaded in a stepping mode, whole machine detecting of the multi-power-band frequency converter is achieved, production detecting efficiency is improved, space is saved, and cost is effectively lowered.
Description
Technical field
The utility model relates to the frequency converter field tests, more particularly, relates to a kind of frequency converter system test system.
Background technology
(Variable-frequency Drive is to use converter technique and microelectric technique VFD) to frequency converter, controls the electric control appliance of AC motor by changing machine operation supply frequency mode.Frequency converter is widely used in the electric machine speed regulation of industrial circle at present, and as industries such as water supply, generating, metallurgy, mining, traffic, its performance is directly connected to user's ordinary production and product quality.
In the development process of new type inverter, or frequency converter must carry out performance test to it before dispatching from the factory, and judges whether its performance satisfies the demand.Existing frequency converter system test is mainly undertaken by following several modes:
(1) using manual equipment (multimeter, oscillograph etc.) that frequency converter is directly connected motor by the tester tests.Obviously, the testing efficiency of this test mode is low, and when test loads inconvenience.
(2) use a cover test macro to connect the separate unit motor, the duty of test different capacity section frequency converter.In this mode, need the system test systems of overlapping for different capacity section frequency converter, not only wasting space, and testing efficiency is not high more.
(3) full-automatic test system, a key start the back and revise converter parameter automatically, by tests such as the program that configures load automatically.This mode can well be carried out the frequency converter test, but its testing cost is higher, and each Series Frequency Converter needs special program of lower computer.In addition, because needs are revised parameter, needs and frequency converter communicate, and can't test for the frequency converter that does not possess communication function.
The utility model content
The technical problems to be solved in the utility model is, the low and high problem of cost at above-mentioned frequency converter system test efficient provides a kind of frequency converter system test system.
The technical scheme that the utility model solves the problems of the technologies described above is, a kind of frequency converter system test system is provided, comprise host computer, master control borad, selection of Motor plate, data acquisition board and load plate, wherein: described host computer comprises instruction input block and data display unit; Described selection of Motor plate comprises tested frequency converter connectivity port and a plurality of output port that is respectively applied to connect motor; Described load plate comprises a plurality of load port that are respectively applied to connect motor; Described master control borad comprises the order from host computer is sent to first transmission circuit of selection of Motor plate and load plate and will send to second transmission circuit of host computer from the image data of data acquisition board.
In frequency converter system test described in the utility model system, a plurality of output ports of described selection of Motor plate connect the motor of different capacity section respectively, and a plurality of load port of described load plate are connected respectively to the motor of described different capacity section.
In frequency converter system test described in the utility model system, described selection of Motor plate and load plate comprise a plurality of contactors by master control borad control respectively.
In frequency converter system test described in the utility model system, described data acquisition board comprises voltage acquisition plate and current acquisition plate, input voltage, output voltage, DC bus-bar voltage that wherein said voltage acquisition plate is gathered tested frequency converter by the optocoupler Acquisition Circuit, described current acquisition plate are gathered input current, the output current of tested frequency converter by sensor.
In frequency converter system test described in the utility model system, also comprise oscillograph, described oscillograph is connected to the current acquisition plate.
In frequency converter system test described in the utility model system, described load plate is connected to and loads transformer or outside field power supply.
In frequency converter system test described in the utility model system, also comprise automatic test needle-bar anchor clamps, described selection of Motor plate is connected to tested frequency converter via automatic test needle-bar anchor clamps.
In frequency converter system test described in the utility model system, also be included as the power panel of described host computer, master control borad, selection of Motor plate, data acquisition board power supply.
Frequency converter system test of the present utility model system has following beneficial effect: by selection of Motor plate and load plate, but Intelligence Selection motor and hierarchical loading frequency converter, realized the system test of many power section frequency converter, not only improve production test efficient, and can save space and significantly reducing cost.The utility model can be realized good man computer interface, configurable parameter list, and making host computer need not to write again can use, and reaches the purpose that matches with hardware fast.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model frequency converter system test system embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the synoptic diagram of the utility model frequency converter system test system embodiment.Frequency converter system test system in the present embodiment comprises host computer 11, master control borad 12, selection of Motor plate 13, data acquisition board 15 and load plate 14, and wherein host computer 11, selection of Motor plate 13, data acquisition board 15 and load plate 14 are connected respectively to master control borad 12.
Particularly, master control borad 12 comprises the order from host computer 11 is sent to first transmission circuit of selection of Motor plate 13 and load plate 14 and will send to second transmission circuit of host computer 11 from the image data of data acquisition board 15.Especially, comprise a plurality of contactors respectively on selection of Motor plate 13 and the load plate 14, master control borad 12 is by giving an order the above-mentioned contactor of control deciliter to selection of Motor plate 13 and load plate 14, thereby realizes the transmission of control command.
Selection of Motor plate 13 comprises tested frequency converter connectivity port and a plurality of output port that is respectively applied to connect motor, and wherein tested frequency converter connectivity port is used for connecting tested frequency converter, and output port then is respectively applied to connect the motor of different capacity section.This selection of Motor plate 13 receives the order that host computer 11 sends by master control borad 12, and switches the motor (this motor is that test frequency converter's practical operation situation is required) of different capacity section according to the order that receives.
Above-mentioned frequency converter system test system also can comprise oscillograph, and this oscillograph is connected to current acquisition plate 15, with the tested frequency converter output current wave of real-time monitoring.And above-mentioned frequency converter system test system also can be included as the power panel that the each several part operation provides required power supply.
Above-mentioned frequency converter system test system is when carrying out the frequency converter test, manually connect tested frequency converter by the tester, and by operation host computer 11 selection different capacity section motors, make tested frequency converter zero load or run with load, and gather tested frequency converter input, output parameters value and show at host computer 11 by data acquisition board 15, pass through range estimation by the tester at last, contrast tested frequency converter self and show that data and host computer 11 show data and oscillograph collection output current wave value, judge whether tested frequency converter is qualified.
In addition, above-mentioned frequency converter system test system also can comprise automatic test needle-bar anchor clamps, thereby make the selection of Motor plate connect tested frequency converter via automatic test needle-bar anchor clamps, master control borad 12 is revised parameter automatically according to tested frequency converter type, control tested frequency converter operation, contrast image data automatically and judge whether tested frequency converter is qualified.
Multiple electric motors can be mated in above-mentioned frequency converter system test system, and realizes that by host computer motor switches, thereby the frequency converter of a plurality of power sections can use same set of system test system testing.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (8)
1. frequency converter system test system is characterized in that: comprise host computer, master control borad, selection of Motor plate, data acquisition board and load plate, wherein: described host computer comprises instruction input block and data display unit; Described selection of Motor plate comprises for the connectivity port and a plurality of output port that is respectively applied to connect motor that connect tested frequency converter; Described load plate comprises a plurality of load port that are respectively applied to connect motor; Described master control borad comprises the order from host computer is sent to first transmission circuit of selection of Motor plate and load plate and will send to second transmission circuit of host computer from the image data of data acquisition board.
2. frequency converter system test according to claim 1 system, it is characterized in that: a plurality of output ports of described selection of Motor plate connect the motor of different capacity section respectively, and a plurality of load port of described load plate are connected respectively to the motor of described different capacity section.
3. frequency converter system test according to claim 2 system, it is characterized in that: described selection of Motor plate and load plate comprise a plurality of contactors by master control borad control respectively.
4. according to each described frequency converter system test system among the claim 1-3, it is characterized in that: described data acquisition board comprises voltage acquisition plate and current acquisition plate, input voltage, output voltage, DC bus-bar voltage that wherein said voltage acquisition plate is gathered tested frequency converter by the optocoupler Acquisition Circuit, described current acquisition plate are gathered input current, the output current of tested frequency converter by sensor.
5. frequency converter system test according to claim 4 system, it is characterized in that: also comprise oscillograph, described oscillograph is connected to the current acquisition plate.
6. frequency converter system test according to claim 1 system, it is characterized in that: described load plate is connected to and loads transformer or outside field power supply.
7. frequency converter system test according to claim 1 and 2 system, it is characterized in that: also comprise automatic test needle-bar anchor clamps, described selection of Motor plate is connected to tested frequency converter via automatic test needle-bar anchor clamps.
8. frequency converter system test according to claim 6 system is characterized in that: the power panel that also is included as described host computer, master control borad, selection of Motor plate, data acquisition board power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114507 CN203117334U (en) | 2013-03-13 | 2013-03-13 | Frequency converter whole machine detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114507 CN203117334U (en) | 2013-03-13 | 2013-03-13 | Frequency converter whole machine detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117334U true CN203117334U (en) | 2013-08-07 |
Family
ID=48897669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320114507 Expired - Lifetime CN203117334U (en) | 2013-03-13 | 2013-03-13 | Frequency converter whole machine detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203117334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443258A (en) * | 2016-09-27 | 2017-02-22 | 无锡纳旭测控科技有限公司 | Portable frequency converter tester |
| CN108267659A (en) * | 2018-03-09 | 2018-07-10 | 上海辛格林纳新时达电机有限公司 | A kind of frequency converter test platform and frequency converter test method |
| CN112346429A (en) * | 2019-08-06 | 2021-02-09 | 天津光电通信技术有限公司 | Testing method and device of variable frequency control equipment and storage medium |
-
2013
- 2013-03-13 CN CN 201320114507 patent/CN203117334U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443258A (en) * | 2016-09-27 | 2017-02-22 | 无锡纳旭测控科技有限公司 | Portable frequency converter tester |
| CN108267659A (en) * | 2018-03-09 | 2018-07-10 | 上海辛格林纳新时达电机有限公司 | A kind of frequency converter test platform and frequency converter test method |
| CN112346429A (en) * | 2019-08-06 | 2021-02-09 | 天津光电通信技术有限公司 | Testing method and device of variable frequency control equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |