CN204314404U - A kind of aging testing system of frequency converter - Google Patents
A kind of aging testing system of frequency converter Download PDFInfo
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- CN204314404U CN204314404U CN201420842844.6U CN201420842844U CN204314404U CN 204314404 U CN204314404 U CN 204314404U CN 201420842844 U CN201420842844 U CN 201420842844U CN 204314404 U CN204314404 U CN 204314404U
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Abstract
A kind of aging testing system of frequency converter, comprise: control module and controlled unit, described control module comprises: mutual subelement and control subelement, described control subelement one end is connected with described mutual subelement, the other end is connected with described controlled unit, described controlled unit comprises: flywheel band subelements and tested frequency converter, and described flywheel band subelements one end is connected with described control subelement, and the other end is connected with described tested frequency converter.Adopt the utility model, the band achieving tested frequency converter carries burn-in test, reduces the frequency converter that dispatches from the factory and to break down the Probability of phenomenon.
Description
Technical field
The utility model relates to electrical equipment burn-in test field, particularly relates to a kind of aging testing system of frequency converter.
Background technology
Frequency converter parts define complete frequency converter after manufacturing; but when user brings into use a few hours after frequency converter to the phenomenon that often there will be frequency converter in tens of hours and break down; in order to reduce the Probability of above-mentioned phenomenon, before frequency converter dispatches from the factory, burn-in test can be carried out to frequency converter.
In the prior art of frequency converter burn-in test, usually only unloaded burn-in test is carried out to frequency converter, and in unloaded burn-in test, be difficult to expose some existing in actual use problems of frequency converter, thus cause, although frequency converter dispatches from the factory after have passed through burn-in test, still often can there is the phenomenon that frequency converter breaks down in a few hours after user brings into use in tens of hours.
Utility model content
For solving in prior art, still often can there is the phenomenon that frequency converter breaks down in the frequency converter that dispatches from the factory through unloaded burn-in test, the utility model provides a kind of aging testing system of frequency converter, frequency converter band can be realized and carry burn-in test, reduce the frequency converter that dispatches from the factory and to break down the Probability of phenomenon.
For solving the problems of the technologies described above, the utility model provides a kind of aging testing system of frequency converter, comprise: control module and controlled unit, described control module comprises: control subelement and mutual subelement, described control subelement one end is connected with described mutual subelement, the other end is connected with described controlled unit, described controlled unit comprises: flywheel band subelements and tested frequency converter, described flywheel band subelements one end is connected with described control subelement, and the other end is connected with described tested frequency converter.
Further, described controlled unit also comprises: aging cabinet subelement, and described aging cabinet subelement comprises spatial accommodation, and described spatial accommodation is built-in with described tested frequency converter.
Further, described aging cabinet subelement also comprises: aging cabinet heating control module and temperature sensor, described aging cabinet heating module and described temperature sensor are placed in described spatial accommodation, described aging cabinet heating module one end is connected with described control subelement, and the other end is connected with described temperature sensor.
Further, described controlled unit also comprises: input control subelement, and described input control subelement one end is connected with described control subelement, and the other end is connected with described tested frequency converter.
Further, described controlled unit also comprises: energy consumption controls subelement, and described energy consumption controls subelement one end and is connected with described control subelement, and the other end is connected with described tested frequency converter.
Further, described energy consumption controls subelement and comprises energy consumption module one and energy consumption module two, described energy consumption module one comprises: braking resistor energy consuming circuitry, in the major loop of the described tested frequency converter of described braking resistor energy consuming circuitry parallel connection access, described energy consumption module two comprises: common bus place in circuit, when described at least two, tested frequency converter, the input end access common bus place in circuit of the tested frequency converter of described at least two.
Further, described execution subelement also comprises: parameter acquisition module, described parameter acquisition module one end is connected with described mutual subelement, and the other end controls subelement be connected with the flywheel band subelements in described controlled unit, aging cabinet heating control module, input control subelement, energy consumption respectively.
Employing the beneficial effects of the utility model are:
The utility model comprises control module and controlled unit, wherein said controlled unit comprises: flywheel band carries and controls subelement and tested frequency converter, for receiving the steering order that described control module sends, and be that tested frequency converter accesses corresponding flywheel load according to received steering order, the band achieving tested frequency converter carries burn-in test, reduce the frequency converter that dispatches from the factory to break down the Probability of phenomenon, and the utility model control module also comprises interactive module, for providing the human-computer interaction interface setting described operating parameters, operating personnel can test by the operating parameters different according to the property settings of tested frequency converter flexibly.
Accompanying drawing explanation
Fig. 1 is the logical schematic of a kind of embodiment of the utility model;
Fig. 2 is that the flywheel band of the utility model embodiment carries control subelement circuit connection diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, clear, complete explanation is carried out to the utility model.
As Fig. 1, shown in Fig. 2, the present embodiment provides a kind of aging testing system of frequency converter, comprise: control module 1 and controlled unit 2, control module 1 comprises: mutual subelement 1.1 and control subelement 1.2, control subelement 1.2 one end to be connected with mutual subelement 1.1, the other end is connected with controlled unit 2, wherein, mutual subelement 1.1 is for setting operating parameters, and the operating parameters of setting is sent to control subelement 1.2, control the operating parameters that subelement 1.2 sends for receiving mutual subelement 1.1, and the operating parameters of reception is converted to steering order, and the steering order after conversion is sent to controlled unit 2, wherein, controlled unit 2 comprises: flywheel band subelements 2.2 and tested frequency converter 2.5, flywheel band subelements 2.2 one end is connected with control subelement 1.2, the other end is connected with tested frequency converter 2.5, flywheel band subelements 2.2 is for receiving the steering order controlling subelement 1.2 and send, and be that tested frequency converter 2.5 accesses corresponding flywheel load according to received steering order, in Fig. 2, flywheel band subelements 2.2 is provided with U, V, W tri-end, three output terminals of tested frequency converter 2.5 respectively with U, V, W three-terminal link, and flywheel band subelements 2.2 is tested frequency converter access M1 according to the steering order controlling subelement 1.2 transmission, M2, M3 or M4 flywheel load, wherein, K1, K2, K3, K4 is electric-controlled switch, for the steering order sent according to control subelement 1.2, and control K1, K2, K3, the closure or openness of K4, to realize the selection of flywheel load, in the present embodiment, K1, K2, K3, K4 is relay switch, M1, M2, M3 or M4 flywheel load is respectively 1.5KW, 5.5KW, the load of 11KW or 18.5KW power, when tested frequency converter 2.5 is powered up test time, the flywheel load be access in rotates starting, thus consume the electric energy of tested frequency converter 2.5 output, the band realizing band year tested frequency converter 2.5 carries burn-in test, above data are only optimum embodiment, do not carry out any restriction.
Further, when carrying out burn-in test to tested frequency converter 2.5, usually carry out in the enclosure space with higher temperature, for simulating the stable situation of disliking tested frequency converter 2.5 under slightly environment, thus, in the present embodiment, controlled unit 2 also comprises aging cabinet subelement 2.1, wherein, aging cabinet subelement 2.1 comprises spatial accommodation, this spatial accommodation is for placing tested frequency converter 2.5, and meanwhile, this spatial accommodation is closed state in burn-in test process.
Further, aging cabinet subelement 2.1 also comprises aging cabinet heating control module 2.1.1 and temperature sensor 2.1.2, and be all placed in spatial accommodation, aging cabinet heating control module 2.1.1 one end is connected with control subelement 1.2, the other end is connected with temperature sensor 2.1.2, for receiving the steering order controlling subelement 1.2 and send, and carry out heating or stop heating according to steering order, temperature sensor 2.1.2 is used for the temperature data in Real-time Obtaining spatial accommodation, and temperature data is sent to aging cabinet heating control module 2.1.1, when aging cabinet heating control module 2.1.1 get temperature sensor 2.1.2 send temperature data lower than control subelement 1.2 send steering order in temperature value time, aging cabinet heating control module 2.1.1 continuous heating, when aging cabinet heating control module 2.1.1 get temperature sensor 2.1.2 send temperature data be equal to or higher than control subelement 1.2 send steering order in temperature value time stop heating.
Further, controlled unit 2 also comprises input control subelement 2.3, input control subelement 2.3 one end is connected with control subelement 1.2, the other end is connected with tested frequency converter 2.5, for according to the steering order controlling subelement 1.2 transmission, provide for tested frequency converter 2.5 or stop providing power supply.
Further, due to when testing tested frequency converter 2.5 with flywheel band subelements 2.2, when sending the steering order of stopping power supply through control subelement 1.2 pairs of input control subelements 2.3, the slewing rate of the flywheel load in flywheel band subelements 2.2 changes, and this change will produce braking Regenerated energy, when braking Regenerated energy and being excessive, there is the generation of the situation of damaging tested frequency converter 2.5, thus, controlled unit 2 also comprises energy consumption and controls subelement 2.4, for consuming the braking Regenerated energy produced when flywheel load slewing rate changes in flywheel band subelements 2.2.
Further, energy consumption controls subelement 2.4 one end and is connected with control subelement 1.2, the other end is connected with tested frequency converter 2.5, energy consumption controls subelement 2.4 and also comprises: energy consumption module one 2.4.1 and energy consumption module two 2.4.2, wherein, energy consumption module one 2.4.1 comprises: braking resistor energy consuming circuitry, braking resistor energy consuming circuitry comprises the braking resistor of multiple power, the power kind of braking resistor comprises: 50W, 100W, 150W, 200W, 300W, energy consumption controls subelement 2.4 according to the steering order controlling subelement 1.2 transmission, select in the major loop of the tested frequency converter of braking resistor energy consuming circuitry parallel connection access with different capacity braking resistor, for braking Regenerated energy by braking resistor consumption, wherein, energy consumption module two 2.4.2 comprises common bus place in circuit, when at least two tested frequency converters 2.5 carry out burn-in test simultaneously, energy consumption controls subelement 2.4 according to the steering order controlling subelement 1.2 transmission, by the input end of at least two tested frequency converters 2.5 access common bus place in circuit, the braking Regenerated energy produced when flywheel load slewing rate in part flywheel band subelements 2.2 reduces is transferred in all the other flywheel band subelements 2.2 by common bus place in circuit, make to obtain flywheel load speedup in remaining flywheel band subelements 2.2, thus consume braking Regenerated energy, the kind of the braking resistor that the present embodiment provides is not limited to foregoing.
Further, control subelement 1.2 and also comprise parameter acquisition module 1.2.1, the status data of subelement 2.4 is controlled for obtaining aging cabinet heating control module 2.1.1 in the aging cabinet subelement 2.1 in controlled unit 2, flywheel band subelements 2.2, input control subelement 2.3 and energy consumption, and the status data of acquisition is sent to mutual subelement 1.1, and show.
Further, operating parameters comprises the parameter of aging cabinet heating control module 2.1.1 heating-up temperature, flywheel band subelements 2.2 selects the parameter of tested frequency converter 2.5 flywheel load of access, input control subelement 2.3 is powered or stopped power supply parameter, consumption control the parameter that subelement 2.4 selects to consume braking Regenerated energy mode; Accordingly, steering order comprises the steering order of aging cabinet heating control module 2.1.1 heating-up temperature, flywheel band subelements 2.2 selects the steering order of tested frequency converter 2.5 flywheel load of access, input control subelement 2.3 is powered or stopped power supply steering order, consumption control the steering order that subelement 2.4 selects to consume braking Regenerated energy mode.
Due to, the present embodiment comprises control module 1 and controlled unit 2, wherein controlled unit 2 comprises: flywheel band subelements 2.2, for controlling the steering order that subelement 1.2 sends in reception control unit 1, and be that tested frequency converter 2.5 accesses corresponding flywheel load according to received steering order, the band achieving tested frequency converter 2.5 carries burn-in test, reduces the frequency converter that dispatches from the factory and to break down the Probability of phenomenon.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. an aging testing system for frequency converter, is characterized in that, comprising: control module and controlled unit,
Described control module comprises: mutual subelement and control subelement, and described control subelement one end is connected with described mutual subelement, and the other end is connected with described controlled unit;
Described controlled unit comprises: flywheel band subelements and tested frequency converter, and described flywheel band subelements one end is connected with described control subelement, and the other end is connected with described tested frequency converter.
2. the aging testing system of a kind of frequency converter as claimed in claim 1, is characterized in that, described controlled unit also comprises: aging cabinet subelement, and described aging cabinet subelement comprises spatial accommodation, and described spatial accommodation is built-in with described tested frequency converter.
3. the aging testing system of a kind of frequency converter as claimed in claim 2, is characterized in that, described aging cabinet subelement also comprises: aging cabinet heating control module and temperature sensor,
Described aging cabinet heating module and described temperature sensor are placed in described spatial accommodation;
Described aging cabinet heating module one end is connected with described control subelement, and the other end is connected with described temperature sensor.
4. the aging testing system of a kind of frequency converter as claimed in claim 1, it is characterized in that, described controlled unit also comprises: input control subelement, and described input control subelement one end is connected with described control subelement, and the other end is connected with described tested frequency converter.
5. the aging testing system of a kind of frequency converter as claimed in claim 1, it is characterized in that, described controlled unit also comprises: energy consumption controls subelement, and described energy consumption controls subelement one end and is connected with described control subelement, and the other end is connected with described tested frequency converter.
6. the aging testing system of a kind of frequency converter as claimed in claim 5, is characterized in that, described energy consumption controls subelement and comprises energy consumption module one and energy consumption module two,
Described energy consumption module one comprises: braking resistor energy consuming circuitry, in the major loop of the described tested frequency converter of described braking resistor energy consuming circuitry parallel connection access;
Described energy consumption module two comprises: common bus place in circuit, when described at least two, tested frequency converter, and the input end access common bus place in circuit of the tested frequency converter of described at least two.
7. the aging testing system of a kind of frequency converter as described in any one of claim 1 to 6, it is characterized in that, described control subelement also comprises: parameter acquisition module, described parameter acquisition module one end is connected with described mutual subelement, and the other end controls subelement be connected with the flywheel band subelements in described controlled unit, aging cabinet heating control module, input control subelement, energy consumption respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842844.6U CN204314404U (en) | 2014-12-25 | 2014-12-25 | A kind of aging testing system of frequency converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842844.6U CN204314404U (en) | 2014-12-25 | 2014-12-25 | A kind of aging testing system of frequency converter |
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| Publication Number | Publication Date |
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| CN204314404U true CN204314404U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420842844.6U Expired - Fee Related CN204314404U (en) | 2014-12-25 | 2014-12-25 | A kind of aging testing system of frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249086A (en) * | 2016-08-31 | 2016-12-21 | 浙江佳乐科仪股份有限公司 | A kind of aging band of large power reactor carries control equipment |
-
2014
- 2014-12-25 CN CN201420842844.6U patent/CN204314404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249086A (en) * | 2016-08-31 | 2016-12-21 | 浙江佳乐科仪股份有限公司 | A kind of aging band of large power reactor carries control equipment |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Haiyan County, Jiaxing city of Zhejiang province in 314308 towns of Xincheng Village Patentee after: ZHEJIANG JAROL SCIENTIFIC INSTRUMENT CO., LTD. Address before: Haiyan County, Jiaxing city of Zhejiang province in 314308 towns of Xincheng Village Patentee before: Jiaxing Jarol Scientific Instrument Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
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Address after: 314308 No. 1070 Lane 88 Yanbei West Road, Wuyuan Street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG JAROL SCIENTIFIC INSTRUMENT CO., LTD. Address before: 314308 Guyu Village, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG JAROL SCIENTIFIC INSTRUMENT CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20191225 |