CN207832915U - A kind of power unit module detection device - Google Patents
A kind of power unit module detection device Download PDFInfo
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- CN207832915U CN207832915U CN201820246549.2U CN201820246549U CN207832915U CN 207832915 U CN207832915 U CN 207832915U CN 201820246549 U CN201820246549 U CN 201820246549U CN 207832915 U CN207832915 U CN 207832915U
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Abstract
The utility model discloses a kind of power unit module detection devices, including：Charging module and detection module；The charging module is for obtaining external electrical network electric energy, after carrying out electric energy conversion, charges for power unit module to be measured；The detection module detects the data of the power unit module to be measured, and the state of the power unit module to be measured is determined according to the data for being connect with power unit module to be measured.It with compact, is convenient for carrying, it is possible to provide multiple power sources export, the advantages that being detected to multiple power unit module, greatly improve power unit module on-site maintenance efficiency.
Description
Technical field
The utility model is related to a kind of power unit module detection field more particularly to a kind of power unit module detection dresses
It sets.
Background technology
In today of energy growing tension, country vigorously promotes the use energy-saving equipment, in the application of high-voltage cascade frequency converter
It is more and more extensive, it is concentrated mainly on the big load electricity utilization site such as smeltery, steel mill.Meanwhile it is big with inductive loads such as motors
Amount application, the inductive load of large capacity have dragged down the power factor of power grid, have reduced the efficiency of transmission of electric energy, to improve electric energy matter
Amount, static reactive generator are applied to the big load electricity utilization site of geometry multiple growth, especially steel mill, aluminium manufacturer etc., Yi Jifeng
The power stations such as power power generation.But with the high volume applications of high-voltage frequency converter and static reactive generator, what equipment fault occurred
Number is also gradually increasing, and failure has focused largely on power module.
It is limited to the technical merit of the condition and after-sale service personnel and user maintenance personnel at equipment operation scene, failure
Power module is difficult positioning failure and to repair at the scene, and the method for directly replacing malfunctioning module at the scene is generally taken in industry.
, could be by technical staff's positioning failure reason after fault power module returns factory, and reprocess.This not only increases the difficulty of on-site maintenance
Degree, also virtually increases the operating cost of both sides.Party A needs spare more power modules at the scene, Party B to need
Increase more manpower and materials and carries out plant maintenance.But factory's power module method for maintaining is returned mostly to be easier, it completely can be
Scene carries out.If certain Simple checking device of utility model, scene positioning event can be run in equipment under limited conditions
The failure cause for hindering power module, will greatly improve benefit.
Utility model content
The technical problems to be solved in the utility model is that：For technical problem of the existing technology, this practicality is new
Type provides a kind of compact, is convenient for carrying, it is possible to provide and multiple power sources export, and can be detected to multiple power unit module,
Greatly improve the power unit module detection device of power unit module on-site maintenance efficiency.
In order to solve the above technical problems, the utility model proposes technical solution be：A kind of power unit module detection dress
It sets, including：Charging module and detection module；
The charging module is for obtaining external electrical network electric energy, after carrying out electric energy conversion, is filled for power unit module to be measured
Electricity；
The detection module detects the number of the power unit module to be measured for being connect with power unit module to be measured
According to, and determine according to the data state of the power unit module to be measured.
Further, the charging module further includes for the precharge electricity to the power cell to be measured into line precharge
Road.
Further, the charging module further includes charging control unit, and the charging control unit is for controlling as institute
State power cell to be measured into line precharge time.
Further, the charging module further includes rectification unit, and the charging module passes through the rectification unit rectification
It is the power unit module charging to be measured afterwards.
Further, the charging module is connect by power input interface with external electrical network, input power AC380V
Power supply；The charging module is that the power unit module to be measured charges by power output interface, the charging module it is defeated
It is AC380V power supplys or DC600V power supplys to go out power supply.
Further, the power input interface is fast insert-pull interface；The power output interface connects for fast insert-pull
Mouthful.
Further, further include power supply module, the power supply module for providing low-voltage dc power supply, including DC5V and
DC24V。
Further, the detection module includes optical communication interface, and the detection module is connect by the optical-fibre communications
Mouth is communicated with the power unit module to be measured, receives the data of the power unit module to be measured.
Further, further include display module, the display module is connect with the detection module, for showing the number
According to and/or the power unit module to be measured state.
Further, further include babinet, the charging module and detection module are encapsulated in the babinet, the display
Module is arranged on babinet.
Compared with prior art, the utility model has the advantage of：
1, the utility model is simple in structure, and compact is closed by babinet, is convenient for carrying, so as to convenient
Power unit module is detected in fault in-situ, to complete the positioning of malfunctioning module, substantially increase the place of failure
Speed and efficiency are managed, fault handling time is shortened, the factory that returns that power unit module greatly reduces leads, effectively reduces cost.
2, the utility model has a variety of input power standards, only needs to provide AC220V's or AC380V in fault in-situ
Power supply, so that it may to be detected to power unit module；The utility model have a variety of out-put supply standards, including AC380V and
DC600V can be detected a variety of different types of power unit modules；Applicability is good.
Description of the drawings
Fig. 1 is the utility model charging module schematic diagram.
Fig. 2 is that the utility model tests wiring schematic diagram.
Fig. 3 is the utility model box structure diagram.
Specific implementation mode
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment, but not because
This and limit the scope of protection of the utility model.
The power unit module detection device of the present embodiment, including：Charging module and detection module；The charging module is used
In obtaining external electrical network electric energy, after carrying out electric energy conversion, charge for power unit module to be measured；The detection module is used for and waits for
Power scale unit module connects, and detects the data of the power unit module to be measured, and is determined according to the data described to be measured
The state of power unit module.The charging module further includes for the precharge to the power cell to be measured into line precharge
Circuit.The charging module further includes rectification unit, and the charging module is by being described to be measured after the rectification unit rectification
Power unit module charges.The charging module is connect by power input interface with external electrical network, input power AC380V
Power supply；The charging module is that the power unit module to be measured charges by power output interface, the charging module it is defeated
It is AC380V power supplys or DC600V power supplys to go out power supply.The power input interface is fast insert-pull interface；The power supply output connects
Mouth is fast insert-pull interface.Further include power supply module, the power supply module for providing low-voltage dc power supply, including DC5V and
DC24V。
In the present embodiment, charging module can have multiple power sources input pattern, including but not limited to AC220V and/or
AC380V, the present embodiment use AC380V, and the out-put supply for power unit module to be measured charging can also have a variety of output moulds
Formula, including but not limited to AC380V and/or DC600V.Meanwhile also there is power supply module, power supply module exports low-voltage DC
Source, including DC5V and/or DC24V, for providing working power for charging module, detection module and display module, meanwhile, also
It can export and provide working power for the unit control panel of power cell to be measured.The charging module of the present embodiment as shown in Figure 1,
A, B, C be AC380V input powers three-phase, circuit breaker Q F1 be main circuit breaker, the open state for controlling charging module, often
Pre-charge resistance R is respectively connected in one phase, pre-charge resistance is parallel with by-pass switch KM1, then the rectification by six bridge arm of three-phase
The input power of AC380V is carried out electric energy conversion, is exported with DC600V, filled for power unit module to be measured by bridge circuit
Electricity.It is AC380V for input power, output is also the situation of AC380V, then need not will produce power supply and pass through rectifier bridge electricity
Road is directly exported the input power of AC380V by charging/pre-charge circuit.Charging/pre-charge circuit is i.e. for by pre-
Charging resistor R and by-pass switch KM1 compositions in parallel, when by-pass switch KM1 is disconnected, preliminary filling that electric energy passes through pre-charge resistance
Electrical circuit output is power unit module to be measured into line precharge, and when by-pass switch KM1 is closed, electric energy directly passes through bypass
The circuit of switch KM1 is that power unit module to be measured charges.It in the present embodiment, can by the direct current output of DC600V
Think that SVG power unit modules charge.It is exported by the exchange of AC380V, can be that GVF power unit modules are filled
Electricity.
In the present embodiment, the charging module further includes charging control unit, and the charging control unit is for controlling
It is the power cell to be measured into the time of line precharge.In the present embodiment, the specific manifestation form packet of charging control unit
It includes：Timing control circuit is pre-charged by the way that the actuation time of by-pass switch KM1 is directly arranged when by preliminary filling electrical circuit
When, timing control circuit is closed according to the time set, control by-pass switch KM1, completes pre-charge process.Alternatively, charging
Control unit monitors the charged state of power unit module to be measured, when charging voltage reaches preset voltage value, control bypass
Switch KM1 actions, complete precharge.
In the present embodiment, the power input interface is fast insert-pull interface；The power output interface is quickly to insert
Pull out interface.By fast insert-pull interface, the connection of externally fed net and charging module can be quickly realized, from externally fed net
Obtain electric energy.It is power module to be measured it is also possible to quickly realize the connection between charging module and power module to be measured
Electric energy is provided.So that detection is more convenient.
In the present embodiment, as shown in Fig. 2, the detection module includes optical communication interface, the detection module passes through
The optical communication interface is communicated with the power unit module to be measured, receives the data of the power unit module to be measured.
In the present embodiment, the optical communication interface of the optical communication interface of detection module and power unit module to be measured is connected by optical fiber
It connects.Detection module is so as to easily read every operational parameter data of power unit module to be measured, by joining to operation
Number data are analyzed, you can the failure of positioning power unit module to be measured easily and fast.Detection module is to operating parameter number
According to being analyzed, the method for positioning failure can directly use the method that factory carries out fault analysis and handling.
In the present embodiment, further include display module, the display module is connected by RS485 buses and the detection module
It connects, the state for showing the data and/or the power unit module to be measured.By display module, measurement of power can will be waited for
The data of rate unit module intuitively show tester, and tester is facilitated further to be divided failure according to data
Analysis is handled.It is also possible to by the testing result of detection module, such as failure or normal condition, failure cause, the letters such as abort situation
Breath intuitively shows tester, and tester is facilitated to get information about malfunction.
In the present embodiment, as shown in figure 3, further including babinet, the charging module and detection module are encapsulated in described
In babinet, the display module is arranged on babinet.On babinet, it is additionally provided with warning lamp, voltage indicator, electric current and refers to
Show that device, warning lamp can send out prompting, voltage indicator and electric current to tester in time in the presence of detecting failure
Indicator can show the case where voltage and current of charging module output in real time.
The preferred embodiment of above-mentioned only the utility model, does not impose any limitation on the present invention.Though
So the utility model has been disclosed with preferred embodiment as above, however is not limited to the utility model.Therefore, it is every without departing from
The content of technical solutions of the utility model any is simply repaiied according to the utility model technical spirit is made to the above embodiment
Change, equivalent variations and modification, should all fall in the range of technical solutions of the utility model are protected.
Claims (10)
1. a kind of power unit module detection device, which is characterized in that including：Charging module and detection module；
The charging module is for obtaining external electrical network electric energy, after carrying out electric energy conversion, charges for power unit module to be measured；
The detection module with power unit module to be measured for connecting, the data of the detection power unit module to be measured, and
The state of the power unit module to be measured is determined according to the data.
2. power unit module detection device according to claim 1, it is characterised in that：The charging module further includes using
In the pre-charge circuit to the power cell to be measured into line precharge.
3. power unit module detection device according to claim 2, it is characterised in that：The charging module further includes filling
Electric control unit, the charging control unit are used to control the time for the power cell to be measured into line precharge.
4. power unit module detection device according to claim 3, it is characterised in that：The charging module further includes whole
Unit is flowed, the charging module is by being that the power unit module to be measured charges after the rectification unit rectification.
5. power unit module detection device according to claim 4, it is characterised in that：The charging module passes through power supply
Input interface is connect with external electrical network, and input power is AC380V power supplys；The charging module is institute by power output interface
Power unit module charging to be measured is stated, the out-put supply of the charging module is AC380V power supplys or DC600V power supplys.
6. power unit module detection device according to claim 5, it is characterised in that：The power input interface is fast
Fast connecting-disconnecting interface；The power output interface is fast insert-pull interface.
7. power unit module detection device according to claim 6, it is characterised in that：Further include power supply module, it is described
Power supply module is for providing low-voltage dc power supply, including DC5V and DC24V.
8. power unit module detection device according to any one of claims 1 to 7, it is characterised in that：The detection mould
Block includes optical communication interface, and the detection module is logical by the optical communication interface and the power unit module to be measured
News receive the data of the power unit module to be measured.
9. power unit module detection device according to claim 8, it is characterised in that：Further include display module, it is described
Display module is connect with the detection module, the state for showing the data and/or the power unit module to be measured.
10. power unit module detection device according to claim 9, it is characterised in that：Further include babinet, the charging
Module and detection module are encapsulated in the babinet, and the display module is arranged on babinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246549.2U CN207832915U (en) | 2018-02-11 | 2018-02-11 | A kind of power unit module detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246549.2U CN207832915U (en) | 2018-02-11 | 2018-02-11 | A kind of power unit module detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207832915U true CN207832915U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820246549.2U Active CN207832915U (en) | 2018-02-11 | 2018-02-11 | A kind of power unit module detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813984A (en) * | 2019-02-27 | 2019-05-28 | 大禹电气科技股份有限公司 | A kind of the power cell test macro and its test method of high-voltage frequency converter |
| TWI706627B (en) * | 2019-11-25 | 2020-10-01 | 康舒科技股份有限公司 | Power supply device with multiple sets of wide-range voltage output and its control method |
| CN113945785A (en) * | 2021-10-09 | 2022-01-18 | 中国南方电网有限责任公司超高压输电公司广州局 | Wireless portable high-voltage power module testing device |
-
2018
- 2018-02-11 CN CN201820246549.2U patent/CN207832915U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813984A (en) * | 2019-02-27 | 2019-05-28 | 大禹电气科技股份有限公司 | A kind of the power cell test macro and its test method of high-voltage frequency converter |
| TWI706627B (en) * | 2019-11-25 | 2020-10-01 | 康舒科技股份有限公司 | Power supply device with multiple sets of wide-range voltage output and its control method |
| CN113945785A (en) * | 2021-10-09 | 2022-01-18 | 中国南方电网有限责任公司超高压输电公司广州局 | Wireless portable high-voltage power module testing device |
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