CN204376794U - A kind of brushless generator - Google Patents
A kind of brushless generator Download PDFInfo
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- CN204376794U CN204376794U CN201520060253.8U CN201520060253U CN204376794U CN 204376794 U CN204376794 U CN 204376794U CN 201520060253 U CN201520060253 U CN 201520060253U CN 204376794 U CN204376794 U CN 204376794U
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Abstract
The utility model provides a kind of brushless generator, comprises stator and comprises auxiliary winding, electric capacity, capacitor control circuit, comparison control circuit, benchmark circuit, sample circuit and power circuit; First leading-out terminal L1 of one end auxiliary connection winding of described electric capacity, the second leading-out terminal L2 of the other end auxiliary connection winding of electric capacity; Capacitor control circuit comprises control switch, thyristor, the first transistor, the first resistance and the second resistance; The anode of thyristor described in one end of control switch, the other end connects the negative electrode of thyristor; The anode of thyristor connects the first leading-out terminal L1, and the negative electrode of thyristor connects the second leading-out terminal L2, and the control end of thyristor is connected with the collector electrode of the first transistor by the first resistance; The emitter of the first transistor connects the first supply voltage; Emitter second resistance in parallel with between base stage of the first transistor.The object of regulation output voltage is realized, to guarantee the voltage of generator stable output by the ON time of control capacittance.
Description
Technical field
The utility model relates to electrical generator fields, specifically be a kind of brushless generator.
Background technology
The generator of prior art has been mostly and has brushed hair motor, operationally coil and commutator rotate to brush hair motor, magnet steel and carbon brush do not turn, by realizing the alternately change of the direction of the winding current with the commutator of electric machine rotation and carbon brush, there is the maintenance work brushing hair motor comparatively complicated, and in power generation process, need ac voltage rectifier to become direct voltage, need high power valve to regulate exciting current simultaneously; Further, when have brush hair load that motor bears larger time, by cause having brush hair motor and export voltage instability, generator treat the problems such as loading capability quality of voltage that is poor, that export is poor, therefore, be necessary to provide a kind of brushless generator to solve the problem.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of brushless generator adjuster, realize stable output voltage, ensures good output voltage quality.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of brushless generator, comprise stator, described stator comprises auxiliary winding; Also comprise electric capacity, capacitor control circuit, comparison control circuit, benchmark circuit, sample circuit and power circuit;
Described benchmark circuit is connected the input of described comparison control circuit with the output of described sample circuit; The output of described comparison control circuit connects the input of described capacitor control circuit; Described power circuit connects described capacitor control circuit, comparison control circuit, benchmark circuit and sample circuit respectively;
Described auxiliary winding comprises the first leading-out terminal L1 and the second leading-out terminal L2;
One end of described electric capacity connects described first leading-out terminal L1, and the other end of described electric capacity connects described second leading-out terminal L2;
Described capacitor control circuit comprises control switch, thyristor, the first transistor, the first resistance and the second resistance;
One end of described control switch connects the anode of described thyristor, and the other end connects the negative electrode of described thyristor; The anode of described thyristor connects described first leading-out terminal L1, and the negative electrode of described thyristor connects described second leading-out terminal L2, and the control end of described thyristor is connected with the collector electrode of described the first transistor by described first resistance; The emitter of described the first transistor connects the first supply voltage; Emitter described second resistance in parallel with between base stage of described the first transistor.
Wherein, described first resistance is made up of two resistor coupled in parallel;
Also comprise the 3rd resistance, the base stage of the first transistor of described capacitor control circuit is connected with the output of described comparison control circuit by described 3rd resistance.
Wherein, described power module comprises voltage reduction circuit and voltage-stabilized power supply circuit;
Described reduction voltage circuit comprises three-terminal voltage-stabilizing module, full bridge rectifier and transformer, full bridge rectifier described in described three-terminal voltage-stabilizing model calling, and described full bridge rectifier connects the secondary coil of described transformer;
Described voltage-stabilized power supply circuit comprises precision voltage regulator, the 4th resistance, the 5th resistance and the 6th resistance; The negative electrode of described precision voltage regulator connects second source voltage, and anode connects described first leading-out terminal L1; Between the negative electrode being connected in parallel on described precision voltage regulator after described 4th resistance and the 5th resistance are connected in series and anode, the reference edge of described precision voltage regulator is connected with the common port of described 4th resistance and the 5th resistance; The negative electrode of described precision voltage regulator is also connected with the 3rd supply voltage by described 6th resistance.
Wherein, described power circuit exports the first supply voltage, second source voltage, the 3rd supply voltage and the 4th supply voltage.
Wherein, described first supply voltage is 12V, and described second source voltage is 5V, and described 3rd supply voltage is 14V, and described 4th supply voltage is 16V.
Wherein, the described control power supply that compares comprises comparator, operational amplifier and transistor seconds; Described comparator comprises the first normal phase input end, the first inverting input and the first output, and described operational amplifier comprises the second normal phase input end, the second inverting input and the second output;
The output of described benchmark circuit connects the first inverting input of described comparator, and the output of described sample circuit connects the first normal phase input end of described comparator;
First output of described comparator connects the second inverting input of described operational amplifier, and the second normal phase input end of described operational amplifier connects output and the second source voltage of described benchmark circuit respectively.
Wherein, the reference voltage of described benchmark circuit is 1.7V.
Wherein, the value of described electric capacity is between 3.3-10 μ F.
Wherein, the value of described electric capacity is 10 μ F.
The beneficial effects of the utility model are: the first leading-out terminal L1 being different from the stator auxiliary winding of the generator of prior art is connected with the second leading-out terminal L2 direct short-circuit, to the output voltage of generator be caused unstable when load is large, and generator treat loading capability difference etc. problem, the utility model provides a kind of brushless generator, between the first leading-out terminal L1 and the second leading-out terminal L2 of generator unit stator auxiliary winding, be serially connected with electric capacity, ensure regulated output voltage by high voltage; And in generator operation process, judgement is compared to sampling voltage value and reference voltage value, capacitor control circuit will control conducting and the shutoff of the electric capacity that leading-out terminal connects on auxiliary winding according to judged result, the object of regulation output voltage is realized by the ON time of control capacittance, to guarantee the voltage of generator stable output, further, the quality of voltage that generator exports is ensured.Concrete advantage is as follows:
1, brushless generator described in the utility model does not need to become direct current by AC rectification;
2, carried out the stator auxiliary winding of regulator generator by the ON time of control capacitance, make generator amature produce magnetic field, no longer need carbon brush, save the generator of carbon brush structure by more convenient maintenance;
3, generator described in the utility model does not need high-power power tube to regulate exciting current;
The electric capacity reliability that the stator winding of 4, generator described in the utility model connects is high, also can not cause resonant enhance to exciting current coil simultaneously.
Accompanying drawing explanation
Fig. 1 is the integrated circuit connection diagram of a kind of brushless generator of the utility model one embodiment;
Fig. 2 is the connection diagram of stator auxiliary winding in a kind of brushless generator of the utility model one embodiment
Fig. 3 is the connection diagram of capacitor control circuit in a kind of brushless generator of the utility model one embodiment;
Fig. 4 is comparison control circuit in a kind of brushless generator of the utility model one embodiment, compares the connection diagram of racing circuit and sample circuit;
Fig. 5 is the connection diagram of voltage reduction circuit in a kind of brushless generator of the utility model one embodiment;
Fig. 6 is the connection diagram of voltage-stabilized power supply circuit in a kind of brushless generator of the utility model one embodiment.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of the utility model most critical is: be serially connected with electric capacity between the first leading-out terminal L1 of generator unit stator auxiliary winding and the second leading-out terminal L2, the object of regulation output voltage is realized, to guarantee the voltage of generator stable output by the ON time of control capacittance.
Please refer to Fig. 1 to Fig. 6, the utility model provides a kind of brushless generator, comprises stator, and described stator comprises auxiliary winding; Also comprise electric capacity, capacitor control circuit, comparison control circuit, benchmark circuit, sample circuit and power circuit;
Described benchmark circuit is connected the input of described comparison control circuit with the output of described sample circuit; The output of described comparison control circuit connects the input of described capacitor control circuit; Described power circuit connects described capacitor control circuit, comparison control circuit, benchmark circuit and sample circuit respectively;
Described auxiliary winding comprises the first leading-out terminal L1 and the second leading-out terminal L2;
One end of described electric capacity connects described first leading-out terminal L1, and the other end of described electric capacity connects described second leading-out terminal L2;
Described capacitor control circuit comprises control switch, thyristor, the first transistor, the first resistance and the second resistance;
One end of described control switch connects the anode of described thyristor, and the other end connects the negative electrode of described thyristor; The anode of described thyristor connects described first leading-out terminal L1, and the negative electrode of described thyristor connects described second leading-out terminal L2, and the control end of described thyristor is connected with the collector electrode of described the first transistor by described first resistance; The emitter of described the first transistor connects the first supply voltage; Emitter described second resistance in parallel with between base stage of described the first transistor.
From foregoing description, the beneficial effects of the utility model are: the utility model provides a kind of brushless generator, between the first leading-out terminal L1 and the second leading-out terminal L2 of generator unit stator auxiliary winding, be serially connected with electric capacity, ensure regulated output voltage by high voltage; And in generator operation process, judgement is compared to sampling voltage value and reference voltage value, capacitor control circuit will control conducting and the shutoff of the electric capacity that leading-out terminal connects on auxiliary winding according to judged result, the object of regulation output voltage is realized by the ON time of control capacittance, to guarantee the voltage of generator stable output, further, the quality of voltage that generator exports is ensured.Concrete advantage is as follows:
1, brushless generator described in the utility model does not need to become direct current by AC rectification;
2, carried out the stator auxiliary winding of regulator generator by the ON time of control capacitance, make generator amature produce magnetic field, no longer need carbon brush, save the generator of carbon brush structure by more convenient maintenance;
3, generator described in the utility model does not need high-power power tube to regulate exciting current;
The electric capacity reliability that the stator winding of 4, generator described in the utility model connects is high, also can not cause resonant enhance to exciting current coil simultaneously.
Operation principle of the present utility model is: the ON time being connected to the electric capacity of stator auxiliary winding first leading-out terminal L1 and the second leading-out terminal L2 is longer, then the voltage of generator output is higher; Otherwise the ON time of electric capacity is shorter, then the voltage of generator output is lower, therefore, by the ON time of control capacittance, just can realize the adjustment to generator output voltage.
The deterministic process of generator output voltage height comprises: the reference voltage value sampling sampling voltage value and the benchmark circuit obtained by comparing sample circuit is made comparisons, if sampling voltage value is higher than reference voltage value, then judge that the output voltage values obtaining generator is on the low side; If sampling voltage value is lower than reference voltage value, then judge that the output voltage values obtaining generator is higher.
When judging that the output voltage of generator is on the low side, control capacitance conducting, or the ON time of proper extension electric capacity, heighten the output voltage values of generator; When judging that the output voltage of generator is higher, control capacitance turns off, or suitably shortens the ON time of electric capacity, turns down the output voltage values of generator.
Further, described first resistance is made up of two resistor coupled in parallel;
Also comprise the 3rd resistance, the base stage of the first transistor of described capacitor control circuit is connected with the output of described comparison control circuit by described 3rd resistance.
Consult Fig. 3, namely two resistance of described first resistance of known formation are R22 and R15 in figure; R22, R15 are the current-limiting resistances of thyristor driver switch, R13, R4 is driving power control switch, when the level of R4 is lower than power supply (12V) voltage 0.6V, the first transistor, i.e. PNP triode Q2 conducting, by current-limiting resistance R22, R15 drives turn on thyristors, and when the level of R4 is when supply voltage 12V is equal, PNP triode Q2 ends, current-limiting resistance R22, R15 end without drive current thyristor.First resistance is the metering function driven, and the 3rd resistance is the switch of driving power.
Further, described power module comprises voltage reduction circuit and voltage-stabilized power supply circuit;
Described reduction voltage circuit comprises three-terminal voltage-stabilizing module, full bridge rectifier and transformer, and full bridge rectifier described in described three-terminal voltage-stabilizing model calling, described full bridge rectifier connects the secondary coil of described transformer.
Described voltage-stabilized power supply circuit comprises precision voltage regulator, the 4th resistance, the 5th resistance and the 6th resistance; The negative electrode of described precision voltage regulator connects second source voltage, and anode connects described first leading-out terminal L1; Between the negative electrode being connected in parallel on described precision voltage regulator after described 4th resistance and the 5th resistance are connected in series and anode, the reference edge of described precision voltage regulator is connected with the common port of described 4th resistance and the 5th resistance; The negative electrode of described precision voltage regulator is also connected with the 3rd supply voltage by described 6th resistance.
It should be noted that, the physical circuit syndeton of described voltage reduction circuit can consult Fig. 5, that high pressure 400V drops to 16V by linear transformer, after the rectification of over commutation diode bridge, after electric capacity C2 filtering, input to three terminal regulator 78L12 voltage stabilizing to become the power supply of 12V to carry to connect electric capacity C1 filtering and make power supply more burning voltage, as the driving working power of thyristor.
The physical circuit syndeton of described voltage-stabilized power supply circuit can consult Fig. 6, be connected to 14V power supply place through diode after rectifier diode bridge rectifier, through current-limiting resistance R3, R5,56 to precision voltage regulator D3 (H431) voltage stabilizing, by the base control signal of point extrusion precision voltage regulator D3 (H431) of R1, R2, make negative electrode connect an electrochemical capacitor as filtering in the voltage stabilization of anode at 5V, make 5V supply voltage more reliable and stable.
Further, described power circuit exports the first supply voltage, second source voltage, the 3rd supply voltage and the 4th supply voltage.
Further, described first supply voltage is 12V, and described second source voltage is 5V, and described 3rd supply voltage is 14V, and described 4th supply voltage is 16V.
It should be noted that, the effect that the first supply voltage is 12V is for the driving of thyristor provides reliable and stable driving voltage, and described second source voltage is the 5V mainly operating voltage of IC1 chip and the comparative voltage of signal criterion; 3rd supply voltage 14V is the tie point of second source voltage, main supply second source voltage; 4th voltage source 16V is mainly by supplying the driving voltage of relay K 1 after R7, R21 divider resistance.
Further, the described control power supply that compares comprises comparator, operational amplifier and transistor seconds; Described comparator comprises the first normal phase input end, the first inverting input and the first output, and described operational amplifier comprises the second normal phase input end, the second inverting input and the second output;
The output of described benchmark circuit connects the first inverting input of described comparator, and the output of described sample circuit connects the first normal phase input end of described comparator;
First output of described comparator connects the second inverting input of described operational amplifier, and the second normal phase input end of described operational amplifier connects output and the second source voltage of described benchmark circuit respectively.
Further, the reference voltage of described benchmark circuit is 1.7V.
From the above, described comparator is for judging the size of the reference voltage that benchmark circuit exports and the sampling voltage value that sample circuit exports; Described operational amplifier is used for the result of described comparator multilevel iudge to amplify, and turns off as described capacitor control circuit control capacitance or the condition of conducting.
Further, the value of described electric capacity is between 3.3-10 μ F.
Further, the value of described electric capacity is 10 μ F.
Please refer to Fig. 1, embodiment one of the present utility model is:
A kind of brushless generator, be serially connected with ac capacitor CC3 between the first leading-out terminal L1 (in figure G end) of its stator auxiliary winding and the second leading-out terminal L2 (in figure L end), the capacitance of described ac capacitor CC3 is preferably 10 μ F.
The power circuit that described brushless generator also comprises capacitor control circuit, comparison control circuit, benchmark circuit, sample circuit and is made up of voltage reduction circuit and voltage-stabilized power supply circuit; The first leading-out terminal L1 and G that the earth terminal of foregoing circuit all connects described stator auxiliary winding holds.
Described power circuit preferably provides the 4th supply voltage of the first supply voltage, the second source voltage of 5V, the 3rd supply voltage of 14V and the 16V exporting 12V; Described voltage reduction circuit comprises three-terminal voltage-stabilizing module, full bridge rectifier, transformer, electric capacity C1, electric capacity C2, electric capacity C3, resistance R7, resistance R21 and diode D2, the VOUT of described three-terminal voltage-stabilizing module holds connection first supply voltage, GND holds ground connection, be connected with described full bridge rectifier by diode D2 after VINT holds connection the 3rd supply voltage, the cathode terminal of described full bridge rectifier is connected with the 4th supply voltage, and described full bridge rectifier is also connected with the secondary coil of described transformer; The VOUT end of described three-terminal voltage-stabilizing module by electric capacity C1 ground connection, VINT end by electric capacity C2 ground connection, the cathode terminal of diode D2 be parallel with the resistance R7, resistance R21 and the electric capacity C3 that are connected successively between earth terminal.Described voltage-stabilized power supply circuit is 5V voltage-stabilized power supply circuit, and described 5V voltage-stabilized power supply circuit comprises precision voltage regulator D3, resistance R1, resistance R2, resistance R3, resistance R5, resistance R6 and diode D4; The model of described precision voltage regulator D3 can be TL431, and the negative electrode of described precision voltage regulator D3 connects second source voltage, and anode connects described first leading-out terminal L1; Between the negative electrode that resistance R1 and resistance R2 is connected in parallel on described precision voltage regulator D3 after being connected in series and anode, the reference edge of described precision voltage regulator D3 is connected with the common port of resistance R1 and resistance R2; The negative electrode of described precision voltage regulator D3 is also connected with the 3rd supply voltage with diode D4 by the resistance R3, the resistance R5 that connect successively, resistance R6.
Described capacitor control circuit comprises control switch K1, thyristor D1, the first transistor Q2, resistance R22, resistance R15, resistance R13 and resistance R4; One end of described control switch K1 connects the anode of described thyristor D1, and the other end connects the negative electrode of described thyristor D1; The anode of described thyristor D1 connects described first leading-out terminal L1, and the control end of negative electrode connection described second leading-out terminal L2, the described thyristor D1 of described thyristor is connected with the collector electrode C of described the first transistor Q2 with resistance R15 by parallel resistance R22; The emitter E of described the first transistor Q2 connects the first supply voltage; Parallel resistance R13 between the emitter E of described the first transistor Q2 and base stage B.
The base stage B of the first transistor Q2 of described capacitor control circuit connects comparison control circuit by resistance R4; Described comparison control circuit comprises comparator, operational amplifier, transistor seconds Q3 and adjustable resistance R37; Described comparator comprises the first normal phase input end, the first inverting input and the first output, and described operational amplifier comprises the second normal phase input end, the second inverting input and the second output; The output of described benchmark circuit connects the first inverting input of described comparator, and the output of described sample circuit connects the first normal phase input end of described comparator; First output of described comparator connects the second inverting input of described operational amplifier, and the second normal phase input end of described operational amplifier connects output and the second source voltage of described benchmark circuit respectively; Second output of described operational amplifier connects the base stage of transistor seconds Q3 by adjustable resistance R37.
The normal voltage exported with generator is for 380V, and the output of benchmark circuit connects the reference voltage of 1.7V; Then the adjustment process of generator output voltage is specially: the voltage real time sample exported generator by sample circuit, obtain sampling voltage value, export sampling voltage value to comparison control circuit, as a road input of comparison control circuit, another road input of described comparison control circuit connects the output of benchmark circuit, is judged the size of sampling voltage value and reference voltage value 1.7V by the comparator of comparison control circuit;
If sampling voltage value is higher than reference voltage value 1.7V, then the output of comparator exports the high level of 3.7V;
If sampling voltage value is lower than reference voltage value 1.7V, then the output of comparator exports the low level of V;
Using the road input of the output of comparator as operational amplifier, another road input of operational amplifier connects second source voltage 5V; The size that two-way inputs is judged by operational amplifier;
When the output voltage values of comparator is greater than second source voltage, operational amplifier output low level, transistor seconds Q3 cannot conducting, therefore cannot the first transistor Q2 of described capacitor control circuit that is attached thereto of conducting, and then capacitor control circuit turns off controlling to be serially connected with electric capacity between the first leading-out terminal L1 of motor auxiliary winding and the second leading-out terminal L2;
When the output voltage values of comparator is less than second source voltage, operational amplifier exports high level, transistor seconds Q3 conducting, the first transistor Q2 of the described capacitor control circuit therefore conducting is attached thereto, and then capacitor control circuit is serially connected with capacitors conductive by controlling between the first leading-out terminal L1 of motor auxiliary winding and the second leading-out terminal L2;
Constantly work at generator, while continuous output voltage values, judge that whether magnitude of voltage that generator exports is higher than 380V, when higher than 380V, will control capacitance turn off timely by continuous by comparison control circuit; When lower than 380V, by control capacitance conducting timely, to ensure that generator stable exports the output voltage of 380V.
In sum, a kind of brushless generator that the utility model provides, can not only realize the magnitude of voltage of the outputting standard being ensured generator stable by high voltage; And can also the size of real-time judge generator output voltage value, by adjusting timely, further ensure the stable output of generator voltage; Come, the utility model eliminates carbon brush structure again, makes the maintenance of generator convenient; Finally, carried out the output voltage of regulator generator by electric capacity, reliability is high, and can not cause resonant enhance to exciting current coil.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a brushless generator, comprises stator, and described stator comprises auxiliary winding; It is characterized in that, also comprise electric capacity, capacitor control circuit, comparison control circuit, benchmark circuit, sample circuit and power circuit;
Described benchmark circuit is connected the input of described comparison control circuit with the output of described sample circuit; The output of described comparison control circuit connects the input of described capacitor control circuit; Described power circuit connects described capacitor control circuit, comparison control circuit, benchmark circuit and sample circuit respectively;
Described auxiliary winding comprises the first leading-out terminal L1 and the second leading-out terminal L2;
One end of described electric capacity connects described first leading-out terminal L1, and the other end of described electric capacity connects described second leading-out terminal L2;
Described capacitor control circuit comprises control switch, thyristor, the first transistor, the first resistance and the second resistance;
One end of described control switch connects the anode of described thyristor, and the other end connects the negative electrode of described thyristor; The anode of described thyristor connects described first leading-out terminal L1, and the negative electrode of described thyristor connects described second leading-out terminal L2, and the control end of described thyristor is connected with the collector electrode of described the first transistor by described first resistance; The emitter of described the first transistor connects the first supply voltage; Emitter described second resistance in parallel with between base stage of described the first transistor.
2. a kind of brushless generator according to claim 1, is characterized in that, described first resistance is made up of two resistor coupled in parallel;
Also comprise the 3rd resistance, the base stage of the first transistor of described capacitor control circuit is connected with the output of described comparison control circuit by described 3rd resistance.
3. a kind of brushless generator according to claim 1, is characterized in that, described power module comprises voltage reduction circuit and voltage-stabilized power supply circuit;
Described reduction voltage circuit comprises three-terminal voltage-stabilizing module, full bridge rectifier and transformer, full bridge rectifier described in described three-terminal voltage-stabilizing model calling, and described full bridge rectifier connects the secondary coil of described transformer;
Described voltage-stabilized power supply circuit comprises precision voltage regulator, the 4th resistance, the 5th resistance and the 6th resistance; The negative electrode of described precision voltage regulator connects second source voltage, and anode connects described first leading-out terminal L1; Between the negative electrode being connected in parallel on described precision voltage regulator after described 4th resistance and the 5th resistance are connected in series and anode, the reference edge of described precision voltage regulator is connected with the common port of described 4th resistance and the 5th resistance; The negative electrode of described precision voltage regulator is also connected with the 3rd supply voltage by described 6th resistance.
4. a kind of brushless generator according to claim 1, is characterized in that, described power circuit exports the first supply voltage, second source voltage, the 3rd supply voltage and the 4th supply voltage.
5. a kind of brushless generator according to claim 4, is characterized in that, described first supply voltage is 12V, and described second source voltage is 5V, and described 3rd supply voltage is 14V, and described 4th supply voltage is 16V.
6. a kind of brushless generator according to claim 1, is characterized in that, the described control power supply that compares comprises comparator, operational amplifier and transistor seconds; Described comparator comprises the first normal phase input end, the first inverting input and the first output, and described operational amplifier comprises the second normal phase input end, the second inverting input and the second output;
The output of described benchmark circuit connects the first inverting input of described comparator, and the output of described sample circuit connects the first normal phase input end of described comparator;
First output of described comparator connects the second inverting input of described operational amplifier, and the second normal phase input end of described operational amplifier connects output and the second source voltage of described benchmark circuit respectively.
7. a kind of brushless generator according to claim 1, is characterized in that, the reference voltage of described benchmark circuit is 1.7V.
8. a kind of brushless generator according to claim 1, is characterized in that, the value of described electric capacity is between 3.3-10 μ F.
9. a kind of brushless generator according to claim 1, is characterized in that, the value of described electric capacity is 10 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060253.8U CN204376794U (en) | 2015-01-28 | 2015-01-28 | A kind of brushless generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060253.8U CN204376794U (en) | 2015-01-28 | 2015-01-28 | A kind of brushless generator |
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| Publication Number | Publication Date |
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| CN204376794U true CN204376794U (en) | 2015-06-03 |
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| CN201520060253.8U Expired - Fee Related CN204376794U (en) | 2015-01-28 | 2015-01-28 | A kind of brushless generator |
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| CN (1) | CN204376794U (en) |
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2015
- 2015-01-28 CN CN201520060253.8U patent/CN204376794U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20160128 |
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| EXPY | Termination of patent right or utility model |