CN206618846U - Become the live volume test instrument of oar super capacitor - Google Patents
Become the live volume test instrument of oar super capacitor Download PDFInfo
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- CN206618846U CN206618846U CN201720171419.2U CN201720171419U CN206618846U CN 206618846 U CN206618846 U CN 206618846U CN 201720171419 U CN201720171419 U CN 201720171419U CN 206618846 U CN206618846 U CN 206618846U
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Abstract
One kind becomes the live volume test instrument of oar super capacitor, including electronic load instrument, pressure regulation constant-current source and switching switch, the side of the change-over switch connects the electronic load instrument and the pressure regulation constant-current source respectively by the wire, and the opposite side of the change-over switch connects the both positive and negative polarity of the super capacitor module to be measured by wire；The first state of the change-over switch is that the electronic load instrument, the pressure regulation constant-current source disconnect with super capacitor to be measured；Second state is that the pressure regulation constant-current source connects to form charge circuit with super capacitor to be measured, while the electronic load instrument disconnects with super capacitor to be measured；The third state is that the electronic load instrument connects to form discharge loop with super capacitor to be measured, while the pressure regulation constant-current source disconnects with super capacitor to be measured.The utility model can greatly reduce safe operation hidden danger, largely improve measurement accuracy and rapidly and efficiently.
Description
Technical field
The utility model belongs to after wind power generating set area of maintenance, more particularly to a kind of on-the-spot test variable blade control system
The instrument of stand-by power source super capacitor capacity.
Background technology
The product for the domestic main flow of back-up source that variable pitch control system of wind generating is used has VRLA electric power storage
Pond, lithium battery and super capacitor, the 1.5MW blower fans of early stage use analysing valve control type lead-acid accumulator battery mostly.With asking for super capacitor
Generation, the application in terms of variable blade control system back-up source is more and more, and the variable blade control system of current blower fan is mostly using super
Level electric capacity.Because some advantages of super capacitor are more protruded compared with battery：Energy density is big, flash-over characteristic is good, the charging interval
Short, low-temperature characteristics is good, state is easily monitored, long working life and environmental protection, is more suitable for the use of low temperature pitch-controlled system.
The super capacitor that variable blade control system is used is used as the back-up source of wind-driven generator safe shutdown feathering, its performance
Can level directly affects blower fan blade in the case where power network fails be reliably returned to home, but the current energy of electric capacity
Amount of storage intuitively linear can pass through capacity C calculation formula E=1/2*CU2Obtain, and the capacity C for measuring electric capacity needs specialty high
Expensive equipment is completed in factory, and often volume is larger and inconvenient is used in axial fan hub for these equipment.But scene has been used
Substantial amounts of super capacitor capacity level for many years how on earth be always urgent concern, this also cause scene do not know when
Maintenance replacing is carried out to super capacitor.
The country can directly measure the portable set of super capacitor capacity without scene is directed at present, and wind-powered electricity generation industry is existing
On-the-spot test super capacitor capacity method be by becoming the charger in oar that super capacitor module is fully charged, then by super electricity
The powered dismounting of wiring between molar group, is calculated using portable electronic piece load meter to super capacitor constant-current discharge accounting time,
But this method has many limitations in itself：
1) connecting line between each super capacitor is removed after super capacitor is fully charged and inherently there is very big peace
Full hidden danger, and only limit super capacitor both positive and negative polarity wiring pole uses terminal structure mode, but blower variable blade control system uses
The connection of low pressure super capacitor module both positive and negative polarity is bolted connection, and powered dismounting sparking can damage super capacitor wiring
Pole；
Although 2) electronic load instrument constant-current discharge can be utilized, according to IEC 62391-1:2006 (E) testing standard
Carry out capacity measuring method and require that the fully charged rear pressurize of super capacitor is discharged for 5 minutes again, but live this method removes super electricity
Wiring between appearance needs the time, and super capacitor module self-discharge rate is very fast, subsequently super capacitor mould to be tested in turn
The problem of group has self discharge and the precision for eventually influenceing volume test；
If 3) test current super capacitor module operation failure, it is necessary to will be connected again between each super capacitor module
It is good, then by wiring between charger charging and then dismounting super capacitor module, expend very much the time.
The content of the invention
In order to which the safe operation hidden danger, the measurement accuracy that overcome super capacitor to be related at the scene in test process are low and measurement
The deficiencies such as time length, the utility model provides one kind and can greatly reduce safe operation, largely improve measurement accuracy
And the live volume test instrument of change oar super capacitor rapidly and efficiently.
The utility model solves the technical scheme that its technical problem used：
One kind becomes the live volume test instrument of oar super capacitor, including electronic load instrument, pressure regulation constant-current source and switching switch,
The side of the change-over switch connects the electronic load instrument and the pressure regulation constant-current source, the conversion respectively by the wire
The opposite side of switch connects the both positive and negative polarity of the super capacitor module to be measured by wire；The first state of the change-over switch
It is that the electronic load instrument, the pressure regulation constant-current source disconnect with super capacitor to be measured；Second state is the pressure regulation constant-current source
Connect to form charge circuit with super capacitor to be measured, while the electronic load instrument disconnects with super capacitor to be measured；The third state
The electronic load instrument connects to form discharge loop with super capacitor to be measured, while the pressure regulation constant-current source and super capacitor to be measured
Disconnect.
Further, during the change-over switch is three knobs switching switch, three knobs switching switch, the 1st, 3,5,
7 end points be located at side, the 2nd, 4,6,8 end points be located at opposite side, the 1st end points and the 2nd end points, the 3rd end points and the 4th end points, the 5th end
Contact switch is respectively formed between point and the 6th end points, the 7th end points and the 8th end points, with institute after the 1st end points and the 5th the end points connection
The positive pole connection of super capacitor module to be measured is stated, with the super capacitor to be measured after the 3rd end points and the 7th the end points connection
The negative pole connection of module, the 2nd end points is connected with the positive pole of the electronic load instrument, the 4th end points and the Electronic Negative
The negative pole connection of instrument is carried, the 6th end points is connected with the positive pole of the pressure regulation constant-current source, and the 8th end points is permanent with the pressure regulation
The negative pole connection in stream source；When three knobs switching switch is in 0 grade, contact switch disconnects；In 1 grade when, the 1st end points
Contact switch between the 2nd end points, the 3rd end points and the 4th end points disconnects, the 5th end points and the 6th end points, the 7th end points and the 8th end
Contact switch closure between point；In 2 grades when, the contact between the 1st end points and the 2nd end points, the 3rd end points and the 4th end points is opened
Close and close, the contact switch between the 5th end points and the 6th end points, the 7th end points and the 8th end points disconnects.
The beneficial effects of the utility model are mainly manifested in：The peace of hot line job when eliminating on-the-spot test super capacitor capacity
Full hidden danger, the influence of measurement accuracy, largely improves on-the-spot test caused by making up super capacitor self discharge to be measured
Operating efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram for becoming the live volume test instrument of oar super capacitor.
Fig. 2 is to become the schematic diagram that the live volume test process change-over switch of oar super capacitor is located at 0 grade.
Fig. 3 is to become the schematic diagram that the live volume test process change-over switch of oar super capacitor is located at 1 grade.
Fig. 4 is to become the schematic diagram that the live volume test process change-over switch of oar super capacitor is located at 2 grades.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 4 of reference picture, one kind becomes the live volume test instrument of oar super capacitor, including portable simple electronic load
Instrument, portable simple pressure regulation constant-current source and the change-over switch to realize the selectively conducting switching of charge circuit and discharge loop,
The change-over switch connects the electronic load instrument and the pressure regulation constant-current source respectively by the wire, realize charge circuit and
Discharge loop free switching.The first state of the change-over switch be the electronic load instrument, the pressure regulation constant-current source with it is to be measured
Super capacitor disconnects；Second state is that the pressure regulation constant-current source connects to form charge circuit with super capacitor to be measured, while institute
Electronic load instrument is stated to disconnect with super capacitor to be measured；Electronic load instrument is connected to be formed and put with super capacitor to be measured described in the third state
Electrical circuit, while the pressure regulation constant-current source disconnects with super capacitor to be measured.
Further, during the change-over switch is three knobs switching switch, three knobs switching switch, the 1st, 3,5,
7 end points be located at side, the 2nd, 4,6,8 end points be located at opposite side, the 1st end points and the 2nd end points, the 3rd end points and the 4th end points, the 5th end
Contact switch is respectively formed between point and the 6th end points, the 7th end points and the 8th end points, with institute after the 1st end points and the 5th the end points connection
The positive pole connection of super capacitor module to be measured is stated, with the super capacitor to be measured after the 3rd end points and the 7th the end points connection
The negative pole connection of module, the 2nd end points is connected with the positive pole of the electronic load instrument, the 4th end points and the Electronic Negative
The negative pole connection of instrument is carried, the 6th end points is connected with the positive pole of the pressure regulation constant-current source, and the 8th end points is permanent with the pressure regulation
The negative pole connection in stream source；When three knobs switching switch is in 0 grade, contact switch disconnects；In 1 grade when, the 1st end points
Contact switch between the 2nd end points, the 3rd end points and the 4th end points disconnects, the 5th end points and the 6th end points, the 7th end points and the 8th end
Contact switch closure between point；In 2 grades when, the contact between the 1st end points and the 2nd end points, the 3rd end points and the 4th end points is opened
Close and close, the contact switch between the 5th end points and the 6th end points, the 7th end points and the 8th end points disconnects.
The method of testing for becoming the live volume test instrument realization of oar super capacitor of the present embodiment, comprises the following steps：
1) the charger input in variable blade control system is disconnected, the round operation of blade is released by becoming the function of oar manually
The energy of super capacitor is below horizontal to safe working voltage；
2) connecting wire between super capacitor module is disconnected；
3) three knobs are switched into switch and is placed in 0 grade, described testing tool is connected to super capacitor module to be measured, this
Shi Suoshu pressure regulation constant-current source, electronic load instrument disconnect with super capacitor module to be measured；
4) three knobs are switched into switch and is placed in 1 grade, closed between the pressure regulation constant-current source and super capacitor module to be measured
Circuit, now, circuit of the electronic load instrument between super capacitor module to be measured disconnects；Will by the pressure regulation constant-current source
Super capacitor module to be measured charges to rated voltage；
5) three knobs are switched into switches and are placed in 2 grades, that is, disconnect the pressure regulation constant-current source and super capacitor module to be measured it
Between circuit, circuit of the closure electronic load instrument between super capacitor module to be measured, by electronic load instrument according to setting
Current value constant-current discharge, calculates current super capacitor module true capacity value to be measured；
6) above-mentioned 5 operating procedures are repeated, other super capacitor modules are tested one by one.
The live volume test instrument of the super capacitor includes three turn-knob switching switches, 4mm2Wire, copper lug, insulation
Adhesive tape and sealed insulation glue, manufacturing process：
3.1) 6 4mm are taken2Wire, respectively in the every side pressure of wire two dimension the copper lug；
3.2) wire for having crimped copper lug is respectively connecting to the three-postion switch, the electronic load
Instrument, the pressure regulation constant-current source；
3.3) and the nuditing wire part of three-postion switch will be connected to insulation processing is made by the sealed insulation glue；
3.4) break-make of different conductor is switched by the 0 of change-over switch, 1,2 this third gear set, final realize is charged back
Road and the free switching of discharge loop.
The live volume test instrument of the change oar super capacitor of the present embodiment, including electronic load instrument 1, pressure regulation constant-current source 2, turn
Switch 3 and wire 4 are changed, the positive pole of the electronic load instrument 1 is connected to No. 2 ends of the change-over switch 3 by the wire 4 respectively
Son, the negative pole of the electronic load instrument 1 is connected to No. 4 terminals of the change-over switch 3, by the pressure regulation constant-current source 2 just
Pole is connected to No. 6 terminals of the change-over switch 3, and the negative pole of the pressure regulation constant-current source 2 is connected into the 8 of the change-over switch 3
Number terminal, by No. 1 of the change-over switch 3 and No. 5 terminal short circuits and makees extraction wire UC+, by No. 3 of the change-over switch 3
With No. 7 terminal short circuits and make extraction wire UC-.
Further, by the 0 of the change-over switch, 1, the switching of 2 third gear realize the electronic load instrument with it is to be measured super
Between electric capacity between electric loop and the pressure regulation constant-current source and super capacitor to be measured electric loop mutual switching, so as to reach scene
Test the purpose of super capacitor capacity.
Reference picture 2, Fig. 3, Fig. 4, one kind become the live capacity test method of oar super capacitor, comprise the following steps：
1) the charger input in variable blade control system is disconnected, the round operation of blade is released by becoming the function of oar manually
The energy of super capacitor is below horizontal to safe working voltage；
2) connecting wire between super capacitor module is disconnected, change-over switch 4 is placed in 0 gear, then to be measured super
Electric capacity module both positive and negative polarity is respectively connecting on 1 (5) number of change-over switch 4 and 3 (7) number terminal；
3) after the parameter for setting pressure regulation constant-current source 2, change-over switch 4 is placed in 1 gear, super capacitor module to be measured, which fills, to be put
5min is kept after rated voltage；
4) after the parameter for setting electronic load instrument 3, change-over switch 4 is placed in 2 gears, according to super capacitor cubic content measurement
Proper calculation goes out the true capacity value of current super electric capacity module；
5) change-over switch 4 is placed in 0 gear again, removes the both positive and negative polarity wiring on super capacitor module to be measured, repeated above-mentioned
Step carries out volume test to other super capacitor modules to be measured.
Claims (2)
1. one kind becomes the live volume test instrument of oar super capacitor, it is characterised in that：Including electronic load instrument, pressure regulation constant-current source and
Change-over switch, the side of the change-over switch connects the electronic load instrument and the pressure regulation constant-current source, institute by wire respectively
The opposite side for stating change-over switch connects the both positive and negative polarity of super capacitor module to be measured by wire；First shape of the change-over switch
State is that the electronic load instrument, the pressure regulation constant-current source disconnect with super capacitor to be measured；Second state is the pressure regulation constant current
Source connects to form charge circuit with super capacitor to be measured, while the electronic load instrument disconnects with super capacitor to be measured；3rd shape
Electronic load instrument connects to form discharge loop with super capacitor to be measured described in state, while the pressure regulation constant-current source and super electricity to be measured
Hold and disconnect.
2. become the live volume test instrument of oar super capacitor as claimed in claim 1, it is characterised in that：The change-over switch is
In three knobs switching switch, three knobs switching switch, the 1st, 3,5,7 end points be located at side, the 2nd, 4,6,8 end points position
In opposite side, the 1st end points and the 2nd end points, the 3rd end points and the 4th end points, the 5th end points and the 6th end points, the 7th end points and the 8th end points
Between be respectively formed contact switch, the positive pole after the 1st end points and the 5th the end points connection with the super capacitor module to be measured connects
Connect, be connected after the 3rd end points and the 7th end points connection with the negative pole of the super capacitor module to be measured, the 2nd end points and
The positive pole connection of the electronic load instrument, the 4th end points is connected with the negative pole of the electronic load instrument, the 6th end points and
The positive pole connection of the pressure regulation constant-current source, the 8th end points is connected with the negative pole of the pressure regulation constant-current source；Three knobs turn
Change switch be in 0 grade when, contact switch disconnects；In 1 grade when, the 1st end points and the 2nd end points, the 3rd end points and the 4th end points it
Between contact switch disconnect, contact switch between the 5th end points and the 6th end points, the 7th end points and the 8th end points closure；In 2 grades
When, the contact switch between the 1st end points and the 2nd end points, the 3rd end points and the 4th end points is closed, the 5th end points and the 6th end points, the 7th end
Contact switch between point and the 8th end points disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171419.2U CN206618846U (en) | 2017-02-24 | 2017-02-24 | Become the live volume test instrument of oar super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171419.2U CN206618846U (en) | 2017-02-24 | 2017-02-24 | Become the live volume test instrument of oar super capacitor |
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| Publication Number | Publication Date |
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| CN206618846U true CN206618846U (en) | 2017-11-07 |
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| CN201720171419.2U Active CN206618846U (en) | 2017-02-24 | 2017-02-24 | Become the live volume test instrument of oar super capacitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950509A (en) * | 2017-02-24 | 2017-07-14 | 浙江运达风电股份有限公司 | One kind becomes the live volume test instrument of oar super capacitor and method |
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2017
- 2017-02-24 CN CN201720171419.2U patent/CN206618846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950509A (en) * | 2017-02-24 | 2017-07-14 | 浙江运达风电股份有限公司 | One kind becomes the live volume test instrument of oar super capacitor and method |
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