CN207459744U - A kind of drive module and photovoltaic definite purpose circuit breaker - Google Patents
A kind of drive module and photovoltaic definite purpose circuit breaker Download PDFInfo
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- CN207459744U CN207459744U CN201721557406.5U CN201721557406U CN207459744U CN 207459744 U CN207459744 U CN 207459744U CN 201721557406 U CN201721557406 U CN 201721557406U CN 207459744 U CN207459744 U CN 207459744U
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- energy storage
- regulating device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model is related to a kind of drive module and photovoltaic definite purpose circuit breakers, belong to electronic circuit technology field.The drive module is applied to photovoltaic definite purpose circuit breaker, and photovoltaic definite purpose circuit breaker further includes：Switch power module and reduction voltage circuit.Drive module includes：Backward flowing preventing device, regulating device and energy storage device.It backward flowing preventing device and regulating device and is additionally operable to be connected with switch power module；Regulating device is connected and is additionally operable to be connected with reduction voltage circuit with energy storage device, and regulating device is used to adjust the speed of energy storage device charge and discharge；Energy storage device is used for the energy storage when switch power module is connected with power grid and exports energy when switch power module and power grid disconnect.In grid voltage sags, which exports the work that energy continues to control panel in breaker for a long time.In addition many advantages, such as being also equipped with security, stability, applicability, convenience.
Description
Technical field
The utility model belongs to electronic circuit technology field, and in particular to a kind of drive module and photovoltaic definite purpose circuit breaker.
Background technology
Currently marketed photovoltaic special circuit device mainly provides the margin of energy using electrolytic capacitor for breaker, that is, works as electricity
When net voltage disconnects or when voltage suddenly drops to 20%, electrolytic capacitor continues to control panel in breaker by energy is exported
Work, low-voltage circuit breaker can act within the delay time of corresponding adjustment.In order to make electrolytic capacitor output energy for a long time, need
Increase the storage capacity of electrolytic capacitor, it is therefore desirable to multistage capacitance in parallel, and then volume is added, and breaker is once shaped
Afterwards, limited be subject to self structure, under fixed volume, electrolytic capacitor can not accomplish very big capacitance, thus can not be real
Existing low-voltage circuit breaker corresponds to the most long delay time of adjustment.
Utility model content
In consideration of it, the purpose of this utility model is to provide a kind of drive module and photovoltaic definite purpose circuit breaker, with effectively
Improve the above problem.
What the embodiment of the utility model was realized in：
The utility model embodiment provides a kind of drive module, and applied to photovoltaic definite purpose circuit breaker, the photovoltaic is special
Breaker further includes：Switch power module and reduction voltage circuit.The drive module includes：Backward flowing preventing device, regulating device and storage
It can device.It the backward flowing preventing device and the regulating device and is additionally operable to be connected with the switch power module, wherein, institute
Stating backward flowing preventing device causes electric current to be transmitted from the switch power module to the regulating device one side.The regulating device and institute
It states energy storage device connection and is additionally operable to be connected with the reduction voltage circuit, the regulating device is used to adjust the energy storage device
The speed of charge and discharge.The energy storage device is used for the energy storage when the switch power module is connected with power grid and is opened described
Powered-down source module exports energy when being disconnected with power grid.
In the utility model optional embodiment, the backward flowing preventing device includes：First diode, the one or two pole
For being connected with the switch power module, cathode terminal and the regulating device of first diode connect the anode tap of pipe
It connects.
In the utility model optional embodiment, the backward flowing preventing device further includes：Second diode, the described 2nd 2
The anode tap of pole pipe is connected with the cathode terminal of first diode, cathode terminal and the regulating device of second diode
Connection.
In the utility model optional embodiment, the backward flowing preventing device further includes：3rd diode, the described 3rd 2
The anode tap of pole pipe is connected with the cathode terminal of second diode, cathode terminal and the regulating device of the 3rd diode
Connection.
In the utility model optional embodiment, the regulating device includes：4th diode and at least one resistance,
At least one resistance and the 4th diodes in parallel, the cathode terminal and at least one resistance of the 4th diode
One end be connected with the backward flowing preventing device and also with the reduction voltage circuit, the anode tap of the 4th diode and
The other end of at least one resistance is connected with energy storage device, wherein, each resistance at least one resistance is equal
It is in parallel.
In the utility model optional embodiment, at least one resistance includes：First resistor and second resistance.
In the utility model optional embodiment, the energy storage device be at least one super capacitor, described at least one
One end of a super capacitor is connected with the regulating device, the other end ground connection of at least one super capacitor, wherein, it is described
Each super capacitor at least one super capacitor is connected.
In the utility model optional embodiment, at least one super capacitor includes：First capacitance and the second electricity
Holding, first capacitance connects with second capacitance, and one end of first capacitance is connected with the regulating device, and described the
One end ground connection of two capacitances.
The utility model embodiment additionally provides a kind of photovoltaic definite purpose circuit breaker, including：Switch power module, reduction voltage circuit
With above-mentioned drive module, the drive module is connected with the switch power module and the reduction voltage circuit.
In the utility model optional embodiment, the reduction voltage circuit includes：Prime filter circuit, decompression chip and after
Grade filter circuit, the prime filter circuit with it is described be depressured chip input terminal be connected, the rear class filtering circuit with it is described
The output terminal connection of chip is depressured, the input terminal of the decompression chip is connected with the drive module.
The drive module and photovoltaic definite purpose circuit breaker that the utility model embodiment provides, it is special which is applied to photovoltaic
With breaker, photovoltaic definite purpose circuit breaker further includes：Switch power module and reduction voltage circuit.The drive module includes：It is anti-down filling
It puts, regulating device and energy storage device.It backward flowing preventing device and regulating device and is additionally operable to be connected with switch power module；It adjusts
Device is connected and is additionally operable to be connected with reduction voltage circuit with energy storage device, and regulating device is used to adjust energy storage device charge and discharge
Speed；Energy storage device is used for the energy storage when switch power module is connected with power grid and is disconnected in switch power module and power grid
When export energy.In grid voltage sags, output energy continues to control panel in breaker to the drive module for a long time
Work.In addition many advantages, such as being also equipped with security, stability, applicability, convenience.
Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification
It becomes apparent or is understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can
It realizes and obtains by specifically noted structure in the specification, claims and attached drawing write.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.By the way that shown in attached drawing, the above and other purpose, feature and advantage of the utility model will more
Clearly.Identical reference numeral indicates identical part in whole attached drawings.Do not painted by actual size equal proportion scaling deliberately
Attached drawing processed, it is preferred that emphasis is show the purport of the utility model.
Fig. 1 shows a kind of structure diagram for photovoltaic definite purpose circuit breaker that the utility model embodiment provides.
Fig. 2 shows a kind of structure diagram for drive module that the utility model embodiment provides.
Fig. 3 shows a kind of circuit diagram for drive module that the utility model embodiment provides.
Fig. 4 shows a kind of circuit diagram for reduction voltage circuit that the utility model embodiment provides.
Icon：10- photovoltaic definite purpose circuit breakers；11- switch power modules；12- drive modules；121- is anti-down filling
It puts；122- regulating devices；123- energy storage devices；13- reduction voltage circuits.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", "left", "right",
The orientation or position relationship of the instructions such as " interior ", " outer " are new based on orientation shown in the drawings or position relationship or the practicality
Type product using when the orientation usually put or position relationship, be for only for ease of description the utility model and simplify and describe, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and
It is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
The utility model embodiment provides a kind of photovoltaic definite purpose circuit breaker 10, as shown in Figure 1.The photovoltaic definite purpose circuit breaker
10 include：Switch power module 11, reduction voltage circuit 13 and drive module 12.
The switch power module 11 is used for the AC220V voltage conversions for providing power grid as 12V voltage outputs, Yu Benshi
It applies in example, which is connected with the drive module 12.The switch power module 11 can be at present on the market
The DC-DC power source often used.
The drive module 12 is connected with switch power module 11 and reduction voltage circuit 13, should during ensureing grid voltage sags
Photovoltaic definite purpose circuit breaker 10 will not immediately off-network, i.e. grid voltage sags when, the drive module 12 output energy continue to break
The work of control panel in the device of road.In this present embodiment, it is preferable that as shown in Fig. 2, the drive module 12 includes：Backward flowing preventing device
121st, regulating device 122 and energy storage device 123.
The backward flowing preventing device 121 is connected respectively with the regulating device 122 and the switch power module 11, this is anti-down
Filling device 121 is so that electric current is transmitted from the switch power module 11 to 122 one side of regulating device.In this present embodiment,
As shown in the upper left side dotted line frame in Fig. 3, which includes：First diode D1, the second diode D2 and the 3rd
Diode D3.The anode tap of the first diode D1 is connected with the switch power module 11, the first diode D1's
Cathode terminal is connected with regulating device 122, and optionally, the cathode terminal of first diode D1 is filled by the second diode D2 with adjusting
122 connections are put, further, the cathode terminal of first diode D1 is connected with the anode tap of the second pole pipe D2, the second diode
The cathode terminal of D2 is connected with regulating device 122, and optionally, the cathode terminal of the second diode D2 passes through the 3rd diode D3 and adjusting
Device 122 connects, and further, the cathode terminal of the second diode D2 is connected with the anode tap of the 3rd diode D3, and the three or two
The cathode terminal of pole pipe D3 is connected with regulating device 122.
Wherein, the first diode D1, the second diode D2 and the 3rd diode D3 in above-mentioned can be identical, can not also
Together, for example, the first diode D1 and the second diode D2 are identical, i.e., model is identical, different from the 3rd diode D3.
Wherein, it is necessary to illustrate, the first diode D1, the second diode D2 and the three or two employed in the present embodiment
Grade pipe D3 is provided with reverse-filling function, the equipment of three diodes be in order to avoid the damage of wherein one or two diode without
When possessing reverse-filling function, which still possesses the ability of reverse-filling, for example, the first diode D1 and second
When diode D2 is damaged without possessing reverse-filling function, the 3rd diode D3 still possesses the ability of reverse-filling, so that
The backward flowing preventing device 121 still possesses the ability of reverse-filling.
Wherein it is possible to understand, above-mentioned backward flowing preventing device 121 can be only made of a diode or
It is made of more than three diodes, it is thus impossible to which it is to the utility model that the quantity shown in the present embodiment, which is understood as,
Limitation.
The regulating device 122 is connected with the energy storage device 123 and is also connected with the reduction voltage circuit 13, adjusts dress
122 are put for adjusting the speed of 123 charge and discharge of energy storage device.It further, should as shown in the right dotted line frame in Fig. 3
Energy storage device 123 includes：At least one resistance and the 4th diode D4.
At least one resistance is in parallel with the 4th diode D4, the cathode terminal of the 4th diode D4 and described
One end of at least one resistance is connected with the backward flowing preventing device 121 and also with the reduction voltage circuit 13, further, should
The moon of the cathode terminal of one end of at least one resistance and the 4th diode D4 with the 3rd diode D3 in backward flowing preventing device 121
Extreme connection.The anode tap of the 4th diode D4 and the other end of at least one resistance connect with energy storage device 123
It connects, wherein, each resistance at least one resistance is in parallel.In this present embodiment, it is preferable that at least one resistance
Including：First resistor R1 and second resistance R2, i.e. first resistor R1, second resistance R2 and the 4th diode D4 three are each other simultaneously
Connection, wherein, the anode tap of one end of first resistor R1, one end of second resistance R2 and the 4th diode D4 with the reverse-filling
Device 121 and the reduction voltage circuit 13 connect, the other end of first resistor R1, the other end of second resistance R2 and the four or two pole
The cathode terminal of pipe D4 is connected with energy storage device 123.
Wherein, the starting stage is being powered on, i.e., when switch power module 11 is connected with power grid, is being provided by switch power module 11
Voltage charges to drive module 12, since the power of switch power module 11 only has 5W, while the capacitance of the energy storage device 123
Bigger, in initial charge, required energy has been far longer than 5W, is limited by first resistor R1 and second resistance R2
Electric current processed ensure that the switch power module 11 is unlikely in short-circuit condition.When network voltage disconnects, i.e. Switching Power Supply mould
When block 11 and power grid disconnect, which continues for rear class energy, and the energy in energy storage device 123 will be from the at this time
One resistance R1, tri- tunnels of second resistance R2 and the 4th diode D4 export and give rear class (for example, exporting to reduction voltage circuit 13), accelerate
The velocity of discharge of the energy storage device 123 ensure that rear class component maintains the energy needed for normal work, and then ensure entire line
Road plate is unlikely to dead electricity immediately.In other words, the energy storage device 123 is when charging, the 4th diode D4 cut-offs, at this time switch electricity
The voltage that source module 11 exports charges through first resistor R1 and second resistance R2 two-way for energy storage device 123, treats that network voltage breaks
When opening, when energy storage device 123 discharges, the 4th diode D4 conductings are stored in the energy in energy storage device 123 through the first electricity at this time
Resistance R1, tri- tunnels of second resistance R2 and the 4th diode D4 are exported to rear class, accelerate the velocity of discharge.
Wherein, first resistor R1 can be fixed resistance or variable resistor, and second resistance R2 can be solid
Determine resistance or variable resistor.First resistor R1 and second resistance R2 may be the same or different.
Wherein, it is necessary to explanation, in the present embodiment, illustrating only at least one resistance includes first resistor R1 and the
The situation of two resistance R2 in addition, at least one resistance can also be that there are three above resistance to form, can not be implemented this
The situation shown in example is understood as being the limitation to the utility model.
The energy storage device 123 is used for the energy storage when the switch power module 11 is connected with power grid and is opened described
Powered-down source module 11 exports energy when being disconnected with power grid.In this present embodiment, optionally, such as the lower left dotted line frame institute in Fig. 3
Show.The energy storage device 123 is made of at least one super capacitor.One end of at least one super capacitor is filled with described adjust
122 connections are put, the other end of at least one super capacitor is grounded, wherein, it is each at least one super capacitor
Super capacitor is connected.In this present embodiment, it is preferable that at least one super capacitor includes：The electricity of first capacitance C1 and second
Hold C2.The first capacitance C1 connects with the second capacitance C2, one end and the regulating device 122 of the first capacitance C1
Connection, further, one end of the first capacitance C1 respectively with the other end of first resistor R1, second resistance R2 it is another
End is connected with the cathode terminal of the 4th diode D4, one end ground connection of the second capacitance C2.
Wherein, the first capacitance C1 and the second capacitance C2 is the super capacitor of farad grade, this than general electrolytic capacitance and
Lithium battery is advantageous, can store many energy, can be nearly 10 times high with the common lithium battery of the power ratio of abrupt release, and not
It can damage.One of great advantage of the super capacitor is that charge and discharge follow the bad service life at 100,000 times or more, and traditional lithium battery one
As can only charge and discharge it is hundreds of time.In addition, the super capacitor is also equipped with superpower retention of charge and anti-seismic design etc..This
The drive module 12 is worked normally in 40 degrees below zero into 60 degree of environment temperature, and performance will not decline, and it is traditional
Lithium battery efficiency will substantially reduce at low temperature.Superpower retention of charge so that electrical leakage quantity is very small, without frequent
It charges.In addition, being also equipped with fast charge function, the speed to charge is than common tens times of lithium battery block.
The reduction voltage circuit 13 is used to be depressured the voltage that drive module 12 or switch power module 11 export, and exports
5V voltages are powered to controller.In this present embodiment, as shown in figure 4, the reduction voltage circuit 13 includes：Prime filter circuit, decompression
Chip and rear class filtering circuit.
The prime filter circuit is connected with the input terminal (Vin) of the decompression chip, for filtering out switch power module
Ripple in the voltage signal that ripple or filtering drive module 12 in the voltage signal of 11 outputs export.The prime filter circuit
It is made of the 3rd capacitance C3.One end of the 3rd capacitance C3 is connected with the input terminal (Vin) of the decompression chip, and the described 3rd
The other end ground connection of capacitance C3.
The decompression chip is used for the voltage output that the voltage conversion that will be inputted is 5V.The input terminal (Vin) is defeated with turning off
Enter end (EN) connection and be also connected with drive module 12.The output terminal (Vout) be connected with rear class filtering circuit and also with
The power end connection of controller provides power supply for controller normal work.The reference noise bypasses end (BP) also through a capacitance
C6 is grounded.
The rear class filtering circuit is used to filter the ripple in the voltage of decompression chip output, in this present embodiment, should
Rear class filtering circuit includes：4th capacitance C4 and the 5th capacitance C5.One end of 4th capacitance C4 and one end of the 5th capacitance C5
It is connected with the output terminal (Vout), the other end of the 4th capacitance C4 and the other end of the 5th capacitance C5 are grounded.
In addition, above-mentioned photovoltaic definite purpose circuit breaker 10 can also include：Controller, booster circuit, voltage sampling circuit, electricity
Flow sample circuit, controller state detection circuit, buckle releaser circuit etc..
In conclusion the utility model embodiment provides a kind of drive module and photovoltaic definite purpose circuit breaker, the driving mould
Block is applied to photovoltaic definite purpose circuit breaker, and photovoltaic definite purpose circuit breaker further includes：Switch power module and reduction voltage circuit.The drive module
Including：Backward flowing preventing device, regulating device and energy storage device.It backward flowing preventing device and regulating device and is additionally operable to and Switching Power Supply
Module connects；Regulating device is connected and is additionally operable to be connected with reduction voltage circuit with energy storage device, and regulating device is used to adjust energy storage
The speed of device charge and discharge；Energy storage is filled for the energy storage when switch power module is connected with power grid and in switch power module
Energy is exported when being disconnected with power grid.When network voltage is normal, which charges for drive module, treats network voltage
When falling, which exports the work that energy continues to control panel in breaker for a long time.Compared with electrolytic capacitor and
For lithium battery, faster, the energy of storage is more for the charge/discharge rates of the drive module, and work efficiency at low ambient temperatures is more
Height, from the influence of its temperature, and many advantages, such as be also equipped with security, stability, applicability, convenience.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of drive module, which is characterized in that applied to photovoltaic definite purpose circuit breaker, the photovoltaic definite purpose circuit breaker further includes：
Switch power module and reduction voltage circuit, the drive module include：Backward flowing preventing device, regulating device and energy storage device；
It the backward flowing preventing device and the regulating device and is additionally operable to be connected with the switch power module, wherein, it is described to prevent
Flowing backward device causes electric current to be transmitted from the switch power module to the regulating device one side；
The regulating device is connected and is additionally operable to be connected with the reduction voltage circuit with the energy storage device, the regulating device
For adjusting the speed of the energy storage device charge and discharge；
The energy storage device is for the energy storage when the switch power module is connected with power grid and in the switch power module
Energy is exported when being disconnected with power grid.
2. drive module according to claim 1, which is characterized in that the backward flowing preventing device includes：First diode, institute
The anode tap of the first diode is stated for being connected with the switch power module, cathode terminal and the tune of first diode
Regulating device connects.
3. drive module according to claim 2, which is characterized in that the backward flowing preventing device further includes：Second diode,
The anode tap of second diode is connected with the cathode terminal of first diode, the cathode terminal of second diode and institute
State regulating device connection.
4. drive module according to claim 3, which is characterized in that the backward flowing preventing device further includes：3rd diode,
The anode tap of 3rd diode is connected with the cathode terminal of second diode, the cathode terminal of the 3rd diode and institute
State regulating device connection.
5. according to the drive module described in claim 1-4 any one, which is characterized in that the regulating device includes：4th
Diode and at least one resistance, at least one resistance and the 4th diodes in parallel, the moon of the 4th diode
One end of extreme and described at least one resistance is connected with the backward flowing preventing device and also with the reduction voltage circuit, institute
The other end of the anode tap and at least one resistance of stating the 4th diode is connected with energy storage device, wherein, it is described at least
Each resistance in one resistance is in parallel.
6. drive module according to claim 5, which is characterized in that at least one resistance includes：First resistor and
Second resistance.
7. drive module according to claim 5, which is characterized in that the energy storage device is at least one super capacitor,
One end of at least one super capacitor is connected with the regulating device, another termination of at least one super capacitor
Ground, wherein, each super capacitor at least one super capacitor is connected.
8. drive module according to claim 7, which is characterized in that at least one super capacitor includes：First electricity
Hold and the second capacitance, first capacitance are connected with second capacitance, one end and the regulating device of first capacitance
Connection, one end ground connection of second capacitance.
9. a kind of photovoltaic definite purpose circuit breaker, which is characterized in that including：Switch power module, reduction voltage circuit and such as claim 1-
Drive module described in 8 any one, the drive module are connected with the switch power module and the reduction voltage circuit.
10. photovoltaic definite purpose circuit breaker according to claim 9, which is characterized in that the reduction voltage circuit includes：Prime filters
Circuit, decompression chip and rear class filtering circuit, the prime filter circuit is connected with the input terminal of the decompression chip, after described
Grade filter circuit is connected with the output terminal of the decompression chip, and the input terminal of the decompression chip is connected with the drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557406.5U CN207459744U (en) | 2017-11-20 | 2017-11-20 | A kind of drive module and photovoltaic definite purpose circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557406.5U CN207459744U (en) | 2017-11-20 | 2017-11-20 | A kind of drive module and photovoltaic definite purpose circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN207459744U true CN207459744U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721557406.5U Active CN207459744U (en) | 2017-11-20 | 2017-11-20 | A kind of drive module and photovoltaic definite purpose circuit breaker |
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| CN (1) | CN207459744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872069A (en) * | 2017-11-20 | 2018-04-03 | 江苏创能电器有限公司 | A kind of drive module and photovoltaic definite purpose circuit breaker |
-
2017
- 2017-11-20 CN CN201721557406.5U patent/CN207459744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872069A (en) * | 2017-11-20 | 2018-04-03 | 江苏创能电器有限公司 | A kind of drive module and photovoltaic definite purpose circuit breaker |
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