CN203166735U - High voltage frequency converter capable of automatically diagnosing and recording faults - Google Patents
High voltage frequency converter capable of automatically diagnosing and recording faults Download PDFInfo
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- CN203166735U CN203166735U CN 201320029379 CN201320029379U CN203166735U CN 203166735 U CN203166735 U CN 203166735U CN 201320029379 CN201320029379 CN 201320029379 CN 201320029379 U CN201320029379 U CN 201320029379U CN 203166735 U CN203166735 U CN 203166735U
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Abstract
The utility model discloses a high voltage frequency converter capable of automatically diagnosing and recording faults. The high voltage frequency converter capable of automatically diagnosing and recording faults comprises a control cabinet, wherein a main control module, a fault diagnosing module and a storage module are arranged in the control cabinet; both the main control module and the storage module are connected with the fault diagnosing module; the fault diagnosing module is used for detecting faults of the high voltage frequency converter and outputting fault signals to the main control module and the storage module; and the storage module is used for storing the fault signals. Because the high voltage frequency converter capable of automatically diagnosing and recording faults is provided a signal collecting module which is capable of detecting the faults of the frequency converter, the main control module is used for discontinue power output of the frequency converter, the fault signals are stored in the storage unit and therefore reference can be provided for solving faults when the same faults occur in the future, and repeated work is prevented and working time is saved.
Description
Technical field
The utility model relates to a kind of high voltage converter, but is specifically related to the high voltage converter of a kind of automatic diagnosis and record trouble.
Background technology
Realize that by the mode that changes ac frequency the technology of alternating current control just is converter technique, its core is frequency converter, it realizes the automatic adjusting of motor operation speed by the conversion to frequency of supply, the fixedly mains frequency of 50Hz is changed into the frequency of variation.Simultaneously, also make supply voltage adjust to certain accommodation.
High voltage converter can realize that because it has stepless time adjustment, change conventional motors are intelligent electric machine, the considerable energy saving benefit, starting current can be controlled in rated current with interior, non-impact current, impact little to electrical network, reduce advantages such as mechanical wear, saving maintenance cost, be widely used in industries such as metallurgy, petrochemical industry, electric power, mining, urban construction and transportation industries.
High voltage converter comprises transformer case, power cabinet and the control cubicle of adjacent setting successively, and described transformer case is mainly high pressure and isolates phase shifting transformer, perfect grid side voltage, the current harmonics eliminated; Power cabinet is the core of transducer power main circuit, is made up of a plurality of identical power cells, forms the three-phase voltage that outputs to motor after the output voltage overlapped in series of each power cell; Control cubicle is the core of whole high-voltage variable-frequency and variable-speed system, it is according to operation and the setting of user at Local or Remote, and voltage, current analog amount and each switching value in the acquisition system, after carrying out logical process and calculating, determine and control the action of each power cell, further drive motors satisfies the output requirement.
In the high voltage converter running, regular meeting is because deceleration time is too short, input supply voltage unusual and have reason such as energy feedback load frequency converter input overvoltage fault to occur; Also can be unusual because of input voltage, load is undergone mutation or unusually, transducer power is less than normal etc., and the frequency converter overcurrent fault appears in reason.Except above-mentioned overvoltage fault and overcurrent fault, overheating fault, under voltage fault, module failure etc. also can take place in high voltage converter in running.When high voltage converter breaks down, if fault can not be found and handles in the very first time, will damage frequency converter and external equipment, production accident takes place.After the trouble shooting, as untimely record, provide service experience in the time of can not occurring for follow-up same fault, the staff need restudy fault type, failure cause, and proposes to remove the means of fault, thereby increases the duplication of labour, waste operating time.
Summary of the invention
But the utility model purpose provides the high voltage converter of a kind of automatic diagnosis and record trouble, and automatic diagnosis is also recorded the fault of high voltage converter, avoids the duplication of labour, saves the operating time.
For achieving the above object, the technical solution adopted in the utility model is: but the high voltage converter of a kind of automatic diagnosis and record trouble, comprise control cubicle, be provided with master control module, fault diagnosis module and memory module in the described control cubicle, described master control module all is connected with described fault diagnosis module with memory module;
Wherein, described fault diagnosis module is for detection of the fault of described high voltage converter, and to described master control module and memory module output fault-signal; Described memory module is used for the described fault-signal of storage.
In the technique scheme, described fault diagnosis module comprises signal acquisition module and signal fusing module, and described signal fusing module is connected with described master control module;
Wherein, described signal acquisition module is used for detecting automatically the diagnostic signal for the treatment of of described high voltage converter, and testing result is exported to described signal fusing module; After described signal fusing module is compared described testing result and reference signal, to described master control module output fault-signal.
In the technique scheme, described control cubicle is provided with display screen, can show operation note, log, failure logging and the alarm logging etc. of high voltage converter, and handled easily personnel read.
Preferably, described display screen is touch-screen, which is provided with reset button.
Job step of the present utility model is as described below:
(1) utilize signal acquisition module that the diagnostic signal for the treatment of of high voltage converter is sampled, collected;
(2) utilize the signal fusing module that the testing result and the reference signal that obtain in the step (1) are compared, when described testing result with respect to reference signal for fault time output fault-signal;
(3) fault-signal of the master control module receiving step (2) of high voltage converter interrupts the power output of low high voltage converter, and high voltage converter quits work; Simultaneously, the memory module of high voltage converter records described fault-signal and store, and shows at touch-screen, and handled easily personnel read.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
1. because the utility model is provided with the signal acquisition module that can detect frequency converter failure automatically in control cubicle, recycling master control module is interrupted the power output of frequency converter, simultaneously fault-signal is stored in the memory cell, when being convenient to follow-up same fault and occurring with reference to solving fault, avoid the duplication of labour, save the operating time.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the operation principle block diagram of embodiment one;
Wherein: 1, control cubicle; 10, touch-screen.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to shown in Figure 1, but the high voltage converter of a kind of automatic diagnosis and record trouble, comprise control cubicle 1, be provided with master control module, fault diagnosis module and memory module in this control cubicle 1, described master control module all is connected with described fault diagnosis module with memory module.
Wherein, described fault diagnosis module is for detection of the fault of described high voltage converter, and to described master control module and memory module output fault-signal; Described memory module is used for the described fault-signal of storage.
Described fault diagnosis module comprises signal acquisition module and signal fusing module, and described signal fusing module is connected with described master control module.
Wherein, described signal acquisition module is used for detecting automatically the diagnostic signal for the treatment of of described high voltage converter, and testing result is exported to described signal fusing module; After described signal fusing module is compared described testing result and reference signal, to described master control module output fault-signal.
Described control cubicle 1 is provided with touch-screen 10, can show operation note, log, failure logging and the alarm logging etc. of high voltage converter, and handled easily personnel read.Simultaneously, described touch-screen 10 is provided with reset button, can be used for removings such as failure logging, alarm loggings.
The operation principle block diagram of present embodiment as shown in Figure 2, its job step is as described below:
(1) utilize signal acquisition module that the diagnostic signal for the treatment of of high voltage converter is sampled, collected;
(2) utilize the signal fusing module that the testing result and the reference signal that obtain in the step (1) are compared, when described testing result with respect to reference signal for fault time output fault-signal;
(3) fault-signal of the master control module receiving step (2) of high voltage converter interrupts the power output of low high voltage converter, and high voltage converter quits work; Simultaneously, the memory module of high voltage converter records described fault-signal and store, and shows at touch-screen, and handled easily personnel read.
Because the utility model is provided with the signal acquisition module that can detect frequency converter failure automatically in control cubicle, recycling master control module is interrupted the power output of frequency converter, simultaneously fault-signal is stored in the memory cell, when being convenient to follow-up same fault and occurring with reference to solving fault, avoid the duplication of labour, save the operating time.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. but the high voltage converter of an automatic diagnosis and record trouble, comprise control cubicle, it is characterized in that, be provided with master control module, fault diagnosis module and memory module in the described control cubicle, described master control module all is connected with described fault diagnosis module with memory module;
Wherein, described fault diagnosis module is for detection of the fault of described high voltage converter, and to described master control module and memory module output fault-signal; Described memory module is used for the described fault-signal of storage.
2. but the high voltage converter of automatic diagnosis according to claim 1 and record trouble is characterized in that, described fault diagnosis module comprises signal acquisition module and signal fusing module, and described signal fusing module is connected with described master control module;
Wherein, described signal acquisition module is used for detecting automatically the diagnostic signal for the treatment of of described high voltage converter, and testing result is exported to described signal fusing module; After described signal fusing module is compared described testing result and reference signal, to described master control module output fault-signal.
3. but the high voltage converter of automatic diagnosis according to claim 1 and 2 and record trouble is characterized in that, described control cubicle is provided with display screen.
4. but the high voltage converter of automatic diagnosis according to claim 3 and record trouble is characterized in that, described display screen is touch-screen, which is provided with reset button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029379 CN203166735U (en) | 2013-01-21 | 2013-01-21 | High voltage frequency converter capable of automatically diagnosing and recording faults |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029379 CN203166735U (en) | 2013-01-21 | 2013-01-21 | High voltage frequency converter capable of automatically diagnosing and recording faults |
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| CN203166735U true CN203166735U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320029379 Expired - Fee Related CN203166735U (en) | 2013-01-21 | 2013-01-21 | High voltage frequency converter capable of automatically diagnosing and recording faults |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774595A (en) * | 2014-01-17 | 2014-05-07 | 北京智行鸿远汽车技术有限公司 | Control method for upper oil pump frequency converter DCAC of electric sanitation truck |
| CN105004946A (en) * | 2015-06-30 | 2015-10-28 | 深圳市汇川技术股份有限公司 | Frequency converter fault analysis system and method and frequency converter |
| CN105259437A (en) * | 2015-10-14 | 2016-01-20 | 株洲变流技术国家工程研究中心有限公司 | Method for achieving fault analysis of high-voltage frequency converter |
| CN107942153A (en) * | 2017-03-31 | 2018-04-20 | 大唐三门峡发电有限责任公司 | The lookup method of Li Dehuafu frequency converter failures |
| CN110927487A (en) * | 2019-11-22 | 2020-03-27 | 江西三晶电气有限公司 | Frequency converter testing system based on butt-towing, frequency converter testing method and storage medium |
| CN111145529A (en) * | 2019-12-31 | 2020-05-12 | 深圳市库马克新技术股份有限公司 | Communication method of cascaded power unit of high-voltage frequency converter |
| CN112947386A (en) * | 2021-03-25 | 2021-06-11 | 北京莱格牧机电有限责任公司 | Remote distributed frequency converter fault diagnosis system |
-
2013
- 2013-01-21 CN CN 201320029379 patent/CN203166735U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774595A (en) * | 2014-01-17 | 2014-05-07 | 北京智行鸿远汽车技术有限公司 | Control method for upper oil pump frequency converter DCAC of electric sanitation truck |
| CN103774595B (en) * | 2014-01-17 | 2016-05-25 | 北京智行鸿远汽车技术有限公司 | Oil loading pump frequency converter DCAC control method on a kind of electric sanitation truck |
| CN105004946A (en) * | 2015-06-30 | 2015-10-28 | 深圳市汇川技术股份有限公司 | Frequency converter fault analysis system and method and frequency converter |
| CN105259437A (en) * | 2015-10-14 | 2016-01-20 | 株洲变流技术国家工程研究中心有限公司 | Method for achieving fault analysis of high-voltage frequency converter |
| CN105259437B (en) * | 2015-10-14 | 2018-10-19 | 株洲变流技术国家工程研究中心有限公司 | For realizing the method for high-voltage frequency converter accident analysis |
| CN107942153A (en) * | 2017-03-31 | 2018-04-20 | 大唐三门峡发电有限责任公司 | The lookup method of Li Dehuafu frequency converter failures |
| CN110927487A (en) * | 2019-11-22 | 2020-03-27 | 江西三晶电气有限公司 | Frequency converter testing system based on butt-towing, frequency converter testing method and storage medium |
| CN110927487B (en) * | 2019-11-22 | 2022-04-15 | 江西三晶电气有限公司 | Frequency converter testing method implemented by frequency converter testing system based on twin trawling |
| CN111145529A (en) * | 2019-12-31 | 2020-05-12 | 深圳市库马克新技术股份有限公司 | Communication method of cascaded power unit of high-voltage frequency converter |
| CN111145529B (en) * | 2019-12-31 | 2023-10-13 | 深圳库马克科技有限公司 | Communication method of cascade power unit of high-voltage frequency converter |
| CN112947386A (en) * | 2021-03-25 | 2021-06-11 | 北京莱格牧机电有限责任公司 | Remote distributed frequency converter fault diagnosis system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130828 Termination date: 20170121 |