CN206379895U - It is a kind of to specialize in the inverter that Non-Destructive Testing is used - Google Patents
It is a kind of to specialize in the inverter that Non-Destructive Testing is used Download PDFInfo
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- CN206379895U CN206379895U CN201621461468.1U CN201621461468U CN206379895U CN 206379895 U CN206379895 U CN 206379895U CN 201621461468 U CN201621461468 U CN 201621461468U CN 206379895 U CN206379895 U CN 206379895U
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Abstract
The inverter that Non-Destructive Testing is used is specialized in the utility model discloses a kind of; it is characterized in that; it includes battery storage part and inversion protection part; the battery storage part includes battery pack, under-voltage protecting circuit and current foldback circuit; the battery pack is connected to under-voltage protecting circuit and current foldback circuit, is connected after the under-voltage protecting circuit is in parallel with current foldback circuit with battery pack；The utility model has the advantage of：Various working condition can be met to use, carried with；Power supply overall weight is light, small volume, and rated power is in 500W or so, and compared to more general inverter, battery capacity has a distinct increment；Low pressure, under-voltage, over-pressed, overtemperature protection are provided with circuit, the various factors of damage inverter is contained substantially.
Description
Technical field
The utility model is related to a kind of inverter, and in particular to a kind of to specialize in the inverter that Non-Destructive Testing is used.
Background technology
The direct current stored in battery can be changed into 220V alternating currents by inverter.In the feelings without or away from power supply
Under condition, inverter just can easily provide working power for electrical equipment, reduce what working environment was used electrical equipment
Limitation.The existing inverse most power of power supply is that 300W, battery capacity are 15Ah or so.
General inverter battery capacity is low, inverter section underpower is lossless to meet Portable magnetic powder crack detector etc.
, there is fault of converter, working time deficiency often in the inverter using other brands in working long hours for detection device
Situation；Inverter sealing property is inadequate.Because magnetic flaw detection ink or magnetic can be used in magnetic powder inspection operation, when magnetic flaw detection ink or magnetic
Powder causes the short-circuit scaling loss of inverter often into inverter；Other circuit protection function is not complete, such as overtemperature protection, low-voltage
Protection does not often have, and this has resulted in battery life reduction.
Utility model content
The utility model aim to solve the problem that the supply capacity that inverter in the prior art is present is not enough, service life is short and
Easily affected by environment the problems such as, meets big, the safe and reliable inverter of multi-state condition, power there is provided a kind of.
What the purpose of this utility model was realized in：A kind of to specialize in the inverter that Non-Destructive Testing is used, its feature exists
In it includes battery storage part 1 and inversion protection part 5, and the battery storage part 1 includes battery pack 2, under-voltage protection electricity
Road 3 and current foldback circuit 4, the battery pack 2 are connected to under-voltage protecting circuit 3 and current foldback circuit 4, the under-voltage protection
Circuit 3 after the parallel connection of current foldback circuit 4 with battery pack 2 with connecting；
The inversion protection part 5 includes input interface 6, and the input interface 6 is connected to MOS switch pipe 7, the MOS
Switching tube 7 is connected to DC conversion loop 8, and the DC conversion loop 8 is connected to LC vibrations and output loop 9, and the LC shakes
Swing and output loop 9 is connected to load 10, the load 10 is connected to backfeed loop 11, and the backfeed loop 11 is connected to PWM
Control loop 12, the PWM control loops 12 are connected to MOS switch pipe 7.
Further, protective loop 13 is provided between the LC vibrations and output loop 9 and PWM control loops 12, it is described
LC vibrates and output loop 9 is connected to PWM control loops 12 by protective loop 13.
Further, the protective loop 13 includes overload protection loop 1301, short-circuit protection circuit 1302 and temperature
Protective loop 1303.
Further, the input interface 6 is additionally coupled to voltage starting loop 14 and PWM control loops 12.
The utility model has the advantage of：Compared to power supply is socketed, inverter can meet various working condition and use, can be with
Body is carried, and working power is provided to the lossless survey instrument that connects；Inverter overall weight is light, small volume, and rated power is left in 500W
The right side, compared to more general inverter, battery capacity has a distinct increment；Low pressure, under-voltage, over-pressed, overtemperature protection, base are provided with circuit
Originally the various factors of damage inverter is contained.
Brief description of the drawings
Fig. 1 is battery pack schematics of the present utility model；
Fig. 2 is the utility model inversion protection partial schematic diagram；
Fig. 3 is the utility model battery pack to inverter annexation schematic diagram；
Fig. 4 is inverter overall structure diagram in the utility model；
Label in each accompanying drawing is expressed as follows：
1. battery storage part；
2. battery pack；
3. under-voltage protecting circuit；
4. current foldback circuit；
5. inversion protection part；
6. input interface；
7. MOS switch pipe；
8. DC conversion loop；
9. output loop；
10. load；
11. backfeed loop；
12. PWM control loops；
13. protective loop；
1301. overload protection loop；1302. short-circuit protection circuit；
1303. temperature protection loop；
14. voltage starting loop.
Embodiment
The utility model will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of specialize in the inverter that Non-Destructive Testing is used, it is characterised in that it includes battery storage portion
Divide 1 and inversion protection part 5, the battery storage part 1 includes battery pack 2, under-voltage protecting circuit 3 and current foldback circuit 4,
Battery pack 2 is, by connection in series-parallel, to reach required voltage and capacity, battery pack 2 is according to rated power by multisection lithium battery
500W, loaded work piece electric current 3A, battery electric quantity 30Ah design, can meet present Portable magnetic powder crack detector on the market, portable
The non-destructive detecting devices such as formula monitoring ultrasonic instrument are used, and the battery pack 2 is connected to under-voltage protecting circuit 3 and current foldback circuit
4, the under-voltage protecting circuit 3 after the parallel connection of current foldback circuit 4 with battery pack 2 with connecting；
The inversion protection part 5 includes input interface 6, and the input interface 6 is connected to MOS switch pipe 7, the MOS
Switching tube 7 is connected to DC conversion loop 8, and the DC conversion loop 8 is connected to LC vibrations and output loop 9, and the LC shakes
Swing and output loop 9 is connected to load 10, the load 10 is connected to backfeed loop 11, and the backfeed loop 11 is connected to PWM
Control loop 12, the PWM control loops 12 are connected to MOS switch pipe 7；
The waveform of inverter output, to repair sine wave, is a kind of practical ripple similar with sine wave shape with wave character
Shape, this waveform is adapted to linear load and the electronic equipment using Switching Power Supply, is also applied for inductive load；Inverter output
Modified sine wave voltage effective value is 220V, and inverter circuit is designed according to battery supporting 500W, 24V in inverter, and DC is defeated
Enter voltage 24V, AC output voltage 220V.
When it is implemented, being provided with protective loop 13, institute between the LC vibrations and output loop 9 and PWM control loops 12
State LC vibrations and output loop 9 is connected to PWM control loops 12 by protective loop 13.
When it is implemented, the protective loop 13 includes overload protection loop 1301, short-circuit protection circuit 1302 and temperature
Protective loop 1303 is spent, DC low-voltage variations, DC undervoltage warnings, DC overvoltage protections, short-circuit protection, temperature protection has been specifically included
Function.
When it is implemented, the input interface 6 is additionally coupled to voltage starting loop 14 and PWM control loops 12.
This inverter overall weight is at 4 kilograms or so, and volume 20cm*12cm*14cm, rated power 500W, battery hold
Measure as 30Ah.
Using first being charged before the inverter to battery, battery needs 4 hours from low battery to full of general；When using
Load power source plug is inserted into inverter power supply accessory power outlet, inverter switch is opened and can be used.Closed using after terminating
Inverter switch pulls up plug.
After inverter switching device is opened, green light represents that inverter is working properly；Inverter event is represented if when red
Barrier can not normal work.Occur when red and " drop " sound alarm during inverter use, illustrate the low needs of battery electric quantity
Charging.
Used in 3 SSEQ DAC of Non-Destructive Testing project team-I types inverter load Portable magnetic powder crack detector, battery
This inverter observed availability 3.5 hours in the case that electricity is full of.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the utility model specific implementation is confined to these above-mentioned explanations.For the common skill of the utility model art
For art personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should
It is considered as belonging to protection domain of the present utility model.
Claims (4)
1. a kind of specialize in the inverter that Non-Destructive Testing is used, it is characterised in that it includes battery storage part（1）Protected with inversion
Protect part（5）, the battery storage part（1）Including battery pack（2）, under-voltage protecting circuit（3）With current foldback circuit（4）,
The battery pack（2）It is connected to under-voltage protecting circuit（3）With current foldback circuit（4）, the under-voltage protecting circuit（3）With excessively stream
Protection circuit（4）With battery pack after parallel connection（2）Series connection；
The inversion protection part（5）Including input interface（6）, the input interface（6）It is connected to MOS switch pipe（7）, it is described
MOS switch pipe（7）It is connected to DC conversion loop（8）, the DC conversion loop（8）It is connected to LC vibrations and output loop
（9）, LC vibration and output loop（9）It is connected to load（10）, the load（10）It is connected to backfeed loop（11）, it is described
Backfeed loop（11）It is connected to PWM control loops（12）, the PWM control loops（12）It is connected to MOS switch pipe（7）.
2. a kind of the inverter that Non-Destructive Testing is used is specialized according to claim 1, it is characterised in that the LC vibrations
And output loop（9）With PWM control loops（12）Between be provided with protective loop（13）, LC vibration and output loop（9）It is logical
Overprotection loop（13）It is connected to PWM control loops（12）.
3. a kind of the inverter that Non-Destructive Testing is used is specialized according to claim 2, it is characterised in that the protection is returned
Road（13）Including overload protection loop（1301）, short-circuit protection circuit（1302）And temperature protection loop（1303）.
4. a kind of the inverter that Non-Destructive Testing is used is specialized according to claim 1, it is characterised in that the input connects
Mouthful（6）It is additionally coupled to voltage starting loop（14）With PWM control loops（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461468.1U CN206379895U (en) | 2016-12-29 | 2016-12-29 | It is a kind of to specialize in the inverter that Non-Destructive Testing is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461468.1U CN206379895U (en) | 2016-12-29 | 2016-12-29 | It is a kind of to specialize in the inverter that Non-Destructive Testing is used |
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| Publication Number | Publication Date |
|---|---|
| CN206379895U true CN206379895U (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621461468.1U Active CN206379895U (en) | 2016-12-29 | 2016-12-29 | It is a kind of to specialize in the inverter that Non-Destructive Testing is used |
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| Country | Link |
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| CN (1) | CN206379895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004713A (en) * | 2018-08-10 | 2018-12-14 | 广东电网有限责任公司 | power supply device |
-
2016
- 2016-12-29 CN CN201621461468.1U patent/CN206379895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004713A (en) * | 2018-08-10 | 2018-12-14 | 广东电网有限责任公司 | power supply device |
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