CN206756919U - Voltage detecting system - Google Patents

Voltage detecting system Download PDF

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Publication number
CN206756919U
CN206756919U CN201720561722.3U CN201720561722U CN206756919U CN 206756919 U CN206756919 U CN 206756919U CN 201720561722 U CN201720561722 U CN 201720561722U CN 206756919 U CN206756919 U CN 206756919U
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resistance
super capacitor
detecting system
measured
voltage
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CN201720561722.3U
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Chinese (zh)
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张智勇
李庆江
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Abstract

It the utility model is related to a kind of voltage detecting system.The voltage detecting system includes:First resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, precision voltage regulator and photo-coupler.Detected for overvoltage, when super capacitor group voltage to be measured is normal, output end output high level.When the voltage of super capacitor group to be measured is more than a particular voltage level, photo-coupler conducting, now output end output low level.For under-voltage detection, when super capacitor group voltage to be measured is normal, output end output high level.When the voltage of super capacitor group to be measured is less than another particular voltage level, photo-coupler conducting, now output end output low level.Voltage detecting system of the present utility model can detect over-pressed and under-voltage simultaneously.

Description

Voltage detecting system
Technical field
Wind turbine pitch system technical field is the utility model is related to, more particularly to a kind of voltage detecting system.
Background technology
Pitch-controlled system is the important component of wind-driven generator.
At present, the back-up source of pitch-controlled system mainly has two kinds of super capacitor and battery.Wherein, super capacitor generally by Multiple monomer series-connected compositions of super capacitor.
In order to ensure pitch-controlled system normal operation, it is necessary to carry out overvoltage detection and under-voltage detection to super capacitor monomer.But It is that current overvoltage detection and under-voltage detection are utilized respectively different circuits and detected, same circuit can not detect overvoltage simultaneously With it is under-voltage.
Utility model content
The utility model embodiment provides a kind of voltage detecting system, can detect simultaneously over-pressed and under-voltage.
A kind of voltage detecting system that the utility model embodiment provides, including:First resistor, second resistance, the 3rd electricity Resistance, the 4th resistance, the 5th resistance, the 6th resistance, precision voltage regulator and photo-coupler, wherein, one end of first resistor, the 3rd electricity The one end of one end of resistance and one end of the 4th resistance respectively with super capacitor group to be measured is connected;One end of second resistance, the 5th electricity The other end of one end of resistance and the anode of precision voltage regulator respectively with super capacitor group to be measured is connected;The other end of first resistor with The other end of second resistance is connected;The other end of 4th resistance is connected with the other end of the 5th resistance;The negative electrode of precision voltage regulator It is connected with the other end of 3rd resistor;The reference edge of precision voltage regulator is connected with the other end of first resistor;In photo-coupler The anode of light emitting diode is connected with the other end of 3rd resistor;The negative electrode of light emitting diode in photo-coupler and the 4th resistance The other end be connected;The colelctor electrode of phototriode in photo-coupler is connected with power supply;Phototriode in photo-coupler Emitter stage by the 6th resistance eutral grounding, wherein, the emitter stage of the phototriode in photo-coupler detects for output voltage Signal.
Optionally, voltage detecting system also includes:7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11st Resistance, the 12nd resistance, PNP type triode, compound transistor and commutation diode, wherein, one end of the 8th resistance, the 11st The other end of one end of resistance and one end of the 12nd resistance respectively with super capacitor group to be measured is connected;The hair of PNP type triode The one end of one end of emitter-base bandgap grading and the tenth resistance respectively with super capacitor group to be measured is connected;The base stage of PNP type triode and precision are steady The negative electrode of potential source is connected;The colelctor electrode of PNP type triode is connected by the 7th resistance with the other end of the 8th resistance;8th resistance The other end being connected with the base stage of compound transistor by the 9th resistance;The colelctor electrode of compound transistor is another with the tenth resistance One end is connected;The other end of 11st resistance and the other end of the 12nd resistance are connected with the emitter stage of compound transistor respectively; The anode and negative electrode of commutation diode correspond to respectively to be connected with the emitter stage and colelctor electrode of compound transistor.
Optionally, voltage detecting system also includes:NPN type triode, wherein, the base stage of NPN type triode and compound three The emitter stage of pole pipe is connected;The colelctor electrode of NPN type triode is connected with the other end of the 8th resistance;The transmitting of NPN type triode Pole is connected with the other end of super capacitor group to be measured.
Optionally, super capacitor group to be measured includes the super capacitor monomer of multiple series connection;Voltage detecting system also includes:It is more Individual resistance;Wherein, multiple resistance correspond in parallel with each super capacitor monomer in super capacitor group to be measured.
Optionally, voltage detecting system also includes:The resistance in parallel with super capacitor group to be measured.
The voltage detecting system that the utility model embodiment provides, can be detected over-pressed and under-voltage simultaneously.
Brief description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 shows the structural representation of the first voltage detecting system of the utility model embodiment;
Fig. 2 shows the structural representation of second of voltage detecting system of the utility model embodiment;
Fig. 3 shows the structural representation of the third voltage detecting system of the utility model embodiment;
Fig. 4 shows the structural representation of the 4th kind of voltage detecting system of the utility model embodiment;
Fig. 5 shows the structural representation of the 5th kind of voltage detecting system of the utility model embodiment.
Embodiment
Embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples The detailed description and the accompanying drawings be used to exemplarily illustrate principle of the present utility model, but can not be used for limiting model of the present utility model Enclose, i.e., the utility model is not limited to described embodiment.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", " interior ", " outer ", " bottom ", " push up The orientation or position relationship of the instructions such as end " are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this reality With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " etc. are only used In description purpose, and it is not intended that instruction or hint relative importance.In description of the present utility model, it is also necessary to explanation It is that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be It is fixedly connected or is detachably connected, or is integrally connected;Can be joined directly together, can also be by between intermediary Connect connected.For the ordinary skill in the art, visual concrete condition understands above-mentioned term in the utility model Concrete meaning.
Fig. 1 shows the structural representation of the first voltage detecting system of the utility model embodiment.It can include: First resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, precision voltage regulator and photo-coupler, its In,
Super capacitor group to be measured in the utility model embodiment includes three super capacitor monomers of series connection, respectively super Level electric capacity monomer one, super capacitor monomer two and super capacitor monomer three.
It should be noted that in actual applications, the super capacitor monomer number that super capacitor group to be measured includes is not limited to Three.
The utility model embodiment illustrates so that super capacitor group to be measured includes three super capacitor monomers as an example, is only One instantiation of the utility model embodiment, is not formed to restriction of the present utility model.
One end of one end of first resistor, one end of 3rd resistor and the 4th resistance respectively with super capacitor group to be measured one End is connected.
The anode of one end of second resistance, one end of the 5th resistance and precision voltage regulator respectively with super capacitor group to be measured The other end is connected.
The other end of first resistor is connected with the other end of second resistance.
The other end of 4th resistance is connected with the other end of the 5th resistance.
The negative electrode of precision voltage regulator is connected with the other end of 3rd resistor.
The reference edge of precision voltage regulator is connected with the other end of first resistor.
The anode of light emitting diode in photo-coupler is connected with the other end of 3rd resistor.
The negative electrode of light emitting diode in photo-coupler is connected with the other end of the 4th resistance.
The colelctor electrode of phototriode in photo-coupler is connected with power supply.
The emitter stage of phototriode in photo-coupler by the 6th resistance eutral grounding, wherein, it is photosensitive in photo-coupler The emitter stage of triode is used for voltage sense signal.
Detected for overvoltage, when super capacitor group voltage to be measured is normal, output end output high level.When super electricity to be measured When the voltage of appearance group is more than a particular voltage level, photo-coupler conducting, now output end output low level.
For under-voltage detection, when super capacitor group voltage to be measured is normal, output end output high level.When super electricity to be measured When the voltage of appearance group is less than another particular voltage level, photo-coupler conducting, now output end output low level.
Specifically, when output end output low level, it is specifically over-pressed for super capacitor group to be measured or under-voltage needs to tie The charging voltage for closing super capacitor group to be measured carries out comprehensive descision.
The voltage detecting system that the utility model embodiment provides, can be detected over-pressed and under-voltage simultaneously.
Fig. 2 shows the structural representation of second of voltage detecting system of the utility model embodiment.The utility model Embodiment illustrated in fig. 2 is on the basis of embodiment illustrated in fig. 1, the 7th resistance of increase, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the 12nd resistance, PNP type triode, compound transistor and commutation diode, wherein,
One end of one end of the 8th resistance, one end of the 11st resistance and the 12nd resistance respectively with super capacitor group to be measured The other end be connected.
The one end of one end of the emitter stage of PNP type triode and the tenth resistance respectively with super capacitor group to be measured is connected.
The base stage of PNP type triode is connected with the negative electrode of precision voltage regulator.
The colelctor electrode of PNP type triode is connected by the 7th resistance with the other end of the 8th resistance.
The other end of 8th resistance is connected by the 9th resistance with the base stage of compound transistor.
The colelctor electrode of compound transistor is connected with the other end of the tenth resistance.
The other end of 11st resistance and the other end of the 12nd resistance are connected with the emitter stage of compound transistor respectively.
The anode and negative electrode of commutation diode correspond to respectively to be connected with the emitter stage and colelctor electrode of compound transistor.
When super capacitor group overvoltage to be measured, PNP type triode conducting, compound transistor conducting, realize to be measured super The active of level capacitance group is pressed.
The voltage detecting system that the utility model embodiment provides, can detect over-pressed and under-voltage simultaneously, and can treat Carry out actively pressing when surveying super capacitor group overvoltage.
Fig. 3 shows the structural representation of the third voltage detecting system of the utility model embodiment.The utility model Embodiment illustrated in fig. 3 is on the basis of embodiment illustrated in fig. 2, increase:NPN type triode, wherein,
The base stage of NPN type triode is connected with the emitter stage of compound transistor.
The colelctor electrode of NPN type triode is connected with the other end of the 8th resistance.
The emitter stage of NPN type triode is connected with the other end of super capacitor group to be measured.
When super capacitor group overvoltage to be measured, PNP type triode conducting, compound transistor conducting, realize to be measured super The active of level capacitance group is pressed.And NPN type triode can control compound transistor conducting electric current intensity.
The voltage detecting system that the utility model embodiment provides, can detect over-pressed and under-voltage simultaneously, and can treat Carry out actively pressing when surveying super capacitor group overvoltage.And NPN type triode can control compound transistor conducting electric current intensity.
Fig. 4 shows the structural representation of the 4th kind of voltage detecting system of the utility model embodiment.The utility model Embodiment illustrated in fig. 4 is on the basis of embodiment illustrated in fig. 3, the 13rd resistance of increase, the 14th resistance and the 15th resistance, its In, the 13rd resistance is in parallel with super capacitor monomer one, and the 14th resistance is in parallel with super capacitor monomer two, the 15th resistance with Super capacitor monomer three is in parallel.Add multiple resistance, multiple resistance correspond with it is each in super capacitor group to be measured Super capacitor monomer is in parallel.
Certainly, the 13rd resistance, the 14th resistance and the 15th resistance of the utility model embodiment can also in Fig. 1 or Increase on the basis of Fig. 2.
The voltage detecting system that the utility model embodiment provides, can detect simultaneously it is over-pressed and under-voltage, and can be right Each super capacitor monomer to be measured in super capacitor group to be measured passively press.
Fig. 5 shows the structural representation of the 5th kind of voltage detecting system of the utility model embodiment.The utility model Embodiment illustrated in fig. 5 increases by the 16th resistance on the basis of embodiment illustrated in fig. 4, wherein, the 16th resistance and super electricity to be measured Appearance group is in parallel.Add the resistance in parallel with super capacitor group to be measured.
Certainly, the 16th resistance of the utility model embodiment can also increase on the basis of Fig. 1 or Fig. 2 or Fig. 3.
The voltage detecting system that the utility model embodiment provides, can detect simultaneously it is over-pressed and under-voltage, and can be right Carry out passively pressing between super capacitor group group to be measured.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.

Claims (5)

1. a kind of voltage detecting system, it is characterised in that the voltage detecting system includes:First resistor, second resistance, the 3rd Resistance, the 4th resistance, the 5th resistance, the 6th resistance, precision voltage regulator and photo-coupler, wherein,
One end of one end of the first resistor, one end of the 3rd resistor and the 4th resistance respectively with super electricity to be measured One end of appearance group is connected;
The anode of one end of the second resistance, one end of the 5th resistance and the precision voltage regulator respectively with it is described to be measured The other end of super capacitor group is connected;
The other end of the first resistor is connected with the other end of the second resistance;
The other end of 4th resistance is connected with the other end of the 5th resistance;
The negative electrode of the precision voltage regulator is connected with the other end of the 3rd resistor;
The reference edge of the precision voltage regulator is connected with the other end of the first resistor;
The anode of light emitting diode in the photo-coupler is connected with the other end of the 3rd resistor;
The negative electrode of light emitting diode in the photo-coupler is connected with the other end of the 4th resistance;
The colelctor electrode of phototriode in the photo-coupler is connected with power supply;
The emitter stage of phototriode in the photo-coupler by the 6th resistance eutral grounding, wherein, the photo-coupler In the emitter stage of phototriode be used for voltage sense signal.
2. voltage detecting system according to claim 1, it is characterised in that the voltage detecting system also includes:7th Resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11st resistance, the 12nd resistance, PNP type triode, compound transistor And commutation diode, wherein,
One end, one end of the 11st resistance and one end of the 12nd resistance of 8th resistance are treated with described respectively The other end for surveying super capacitor group is connected;
One end of the emitter stage of the PNP type triode and the tenth resistance one end with the super capacitor group to be measured respectively It is connected;
The base stage of the PNP type triode is connected with the negative electrode of the precision voltage regulator;
The colelctor electrode of the PNP type triode is connected by the 7th resistance with the other end of the 8th resistance;
The other end of 8th resistance is connected by the 9th resistance with the base stage of the compound transistor;
The colelctor electrode of the compound transistor is connected with the other end of the tenth resistance;
The other end transmitting with the compound transistor respectively of the other end and the 12nd resistance of 11st resistance Extremely it is connected;
The anode and negative electrode of the commutation diode correspond to respectively to be connected with the emitter stage and colelctor electrode of the compound transistor.
3. voltage detecting system according to claim 2, it is characterised in that the voltage detecting system also includes:NPN type Triode, wherein,
The base stage of the NPN type triode is connected with the emitter stage of the compound transistor;
The colelctor electrode of the NPN type triode is connected with the other end of the 8th resistance;
The emitter stage of the NPN type triode is connected with the other end of the super capacitor group to be measured.
4. voltage detecting system according to claim 1, it is characterised in that the super capacitor group to be measured includes multiple strings The super capacitor monomer of connection;The voltage detecting system also includes:Multiple resistance;Wherein,
The multiple resistance corresponds in parallel with each super capacitor monomer in the super capacitor group to be measured.
5. according to the voltage detecting system described in any one of Claims 1-4, it is characterised in that the voltage detecting system is also Including:
The resistance in parallel with the super capacitor group to be measured.
CN201720561722.3U 2017-05-19 2017-05-19 Voltage detecting system Active CN206756919U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907715A (en) * 2018-09-14 2020-03-24 通用电气公司 System and method for monitoring a supercapacitor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907715A (en) * 2018-09-14 2020-03-24 通用电气公司 System and method for monitoring a supercapacitor

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