CN204316444U - A kind of emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit - Google Patents
A kind of emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit Download PDFInfo
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- CN204316444U CN204316444U CN201420717200.4U CN201420717200U CN204316444U CN 204316444 U CN204316444 U CN 204316444U CN 201420717200 U CN201420717200 U CN 201420717200U CN 204316444 U CN204316444 U CN 204316444U
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Abstract
The utility model discloses a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic and amplify supply unit, primarily of DC power supply S, the diode D1 that P pole is connected with the positive pole of DC power supply S, N pole forms loop after load resistance with the negative pole of DC power supply S, and form with the electronic switch K that diode D1 is in parallel, it is characterized in that, passive π type filter circuit is serially connected with between the N pole and the negative pole of DC power supply S of diode D1, and the emitter-base bandgap grading manifold type asymmetric circuit be connected with passive π type filter circuit; Meanwhile, between the asymmetric circuit of emitter-base bandgap grading manifold type and DC power supply S, be serially connected with beam excitation formula logic amplifying circuit.The utility model contains multi-stage filter circuit and logic amplifying circuit, therefore the multiple harmonic because load variations causes can effectively be removed, the accuracy detected can be guaranteed, and can guarantee that larger decay can not occur the signal after it amplifies, thus the quality and performance of amplifying signal can be guaranteed.
Description
Technical field
The utility model relates to a kind of bipolar power supply device, specifically refers to a kind of emitter-base bandgap grading manifold type asymmetric double polarity power for testing the function of battery protection circuit and calibrate.
Background technology
At present; whether battery manufacturer generally all needs the various functions detecting this battery protection circuit with bipolar power supply up to standard after having made battery protection circuit, namely utilizes bipolar power supply to realize the quickly calibrated and test of overvoltage to battery protection circuit, under-voltage, overcurrent fast.When so-called bipolar power supply refers to this corona discharge, the electric current of its power source internal flows to positive pole from negative pole, and be flow to negative pole (when the electric current of traditional its inside of common power all can only flow to positive pole from negative pole, and can not flow to negative pole from positive pole) from positive pole to the electric current of its power source internal during this power source charges.But, not only structure is comparatively complicated, volume is comparatively huge for bipolar power supply sold on the market at present, its cost is extremely expensive, average every platform price can reach 5 ~ 100,000 yuan, and through traditional power amplification circuit after carrying out power drive amplification, not only the attenuation amplitude of its amplifying signal is comparatively large, also can be subject to outside electromagnetic interference, and then make amplifying signal performance comparatively unstable.Therefore, bipolar power supply existing on the market at present can not meet the demand of numerous clients, can not be promoted widely and use.
Although the Chinese utility model patent that the patent No. is 200920243086.5 proposes a kind of bipolar power supply, but its unstable properties, effectively can not overcome external electromagnetic interference and related load and change the nonlinear temperature change brought, can cause detecting inaccurate.
Utility model content
The purpose of this utility model is to overcome current bipolar power supply unstable properties, can cause detecting inaccurate defect, provides a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic to amplify supply unit.
The purpose of this utility model is achieved through the following technical solutions: a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit, primarily of DC power supply S, the diode D1 that P pole is connected with the positive pole of DC power supply S, N pole forms loop after load resistance with the negative pole of DC power supply S, and form with the electronic switch K that diode D1 is in parallel.Meanwhile, between the N pole and the negative pole of DC power supply S of diode D1, be serially connected with passive π type filter circuit, and the emitter-base bandgap grading manifold type asymmetric circuit be connected with passive π type filter circuit, meanwhile, between the asymmetric circuit of emitter-base bandgap grading manifold type and DC power supply S, be serially connected with beam excitation formula logic amplifying circuit, described beam excitation formula logic amplifying circuit, primarily of power amplifier P, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the electrode input end of power amplifier P, the polar capacitor C6 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C6, the resistance R13 of other end ground connection after diode D3, positive pole is connected with the tie point of diode D3 with resistance R13, the polar capacitor C7 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R14 that the other end is connected with the electrode input end of power amplifier P, be serially connected in the resistance R15 between the negative input of power amplifier P and output, one end is connected with the output of NAND gate IC1, the resistance R16 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C8 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C7, the resistance R17 that the other end is connected with the negative input of NAND gate IC2 forms, the electrode input end of described NAND gate IC1 is connected with the negative input of power amplifier P, and its output is connected with the electrode input end of NAND gate IC2, the electrode input end of NAND gate IC3 is connected with the output of power amplifier P, and its output is then connected with the negative pole of DC power supply S.
Further, described passive π type filter circuit is low-pass filter circuit, and it is by electric capacity C1, electric capacity C2, and the resistance R5 be serially connected between the positive pole of electric capacity C1 and the positive pole of electric capacity C2 forms; Be connected with the negative pole of DC power supply S after the negative pole of described electric capacity C1 and the negative pole of electric capacity C2 are connected in series, the positive pole of electric capacity C1 is then connected with the N pole of diode D1.
Described emitter-base bandgap grading manifold type Asymmetric Electric route triode Q1, triode Q2, triode Q3, be serially connected in the first-level filtering wave circuit between the emitter of triode Q2 and the base stage of triode Q3, be serially connected in the resistance R6 between the collector electrode of triode Q3 and the collector electrode of diode Q2, be serially connected in the resistance R12 between the collector electrode of triode Q1 and the collector electrode of triode Q2, be serially connected in the secondary filter circuit between the emitter of triode Q1 and the negative pole of electric capacity C2, be serially connected in three grades of filters between the base stage of triode Q1 and the negative pole of electric capacity C2, and the resistance R10 be serially connected between the base stage of triode Q1 and the negative pole of electric capacity C2 and the resistance R7 be serially connected between the base stage of triode Q3 and the negative pole of electric capacity C2 forms, the base stage of described triode Q2 is connected with the collector electrode of triode Q1, and its collector electrode is connected with the positive pole of electric capacity C2, the emitter of described triode Q2 and the equal ground connection of emitter of triode Q3.
For guaranteeing result of use, described load resistance is connected in series by resistance R1, resistance R2, resistance R3 and resistance R4 that resistance is identical and forms, and described first-level filtering wave circuit, secondary filter circuit and three grades of filter circuits are RC filter circuit.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model overall structure is simple, and it makes and very easy to use.
(2) stable performance of the present utility model, effectively can overcome external electromagnetic interference, and can guarantee that larger decay can not occur the signal after it amplifies, thus can guarantee the quality and performance of amplifying signal.
(3) the utility model contains multi-stage filter circuit, therefore effectively can remove the multiple harmonic because load variations causes, and can guarantee the accuracy detected.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
As shown in Figure 1, the utility model is primarily of DC power supply S, and diode D1, electronic switch K, passive π type filter circuit, the asymmetric circuit of emitter-base bandgap grading manifold type and beam excitation formula logic amplifying circuit form.During connection, the P pole of diode D1 is connected with the positive pole of DC power supply S, and its N pole forms loop with the negative pole of DC power supply S after load resistance, and electronic switch K and diode D1 is in parallel.
For guaranteeing result of use, this load resistance is be resistance R1, the resistance R2 of 10K Ω, resistance R3 and resistance R4 by resistance to be connected in series and to form.
Described passive π type filter circuit is low-pass filter circuit, and it is made up of electric capacity C1, electric capacity C2 and resistance R5.During connection, be connected with the negative pole of DC power supply S after the negative pole of electric capacity C1 is connected in series with the negative pole of electric capacity C2, resistance R5 is then serially connected between the positive pole of electric capacity C1 and the positive pole of electric capacity C2.Meanwhile, the positive pole of electric capacity C1 is also connected with the N pole of diode D1.
Emitter-base bandgap grading manifold type Asymmetric Electric route triode Q1, triode Q2, triode Q3, be serially connected in the first-level filtering wave circuit between the emitter of triode Q2 and the base stage of triode Q3, be serially connected in the resistance R6 between the collector electrode of triode Q3 and the collector electrode of diode Q2, be serially connected in the resistance R12 between the collector electrode of triode Q1 and the collector electrode of triode Q2, be serially connected in the secondary filter circuit between the emitter of triode Q1 and the negative pole of electric capacity C2, be serially connected in three grades of filters between the base stage of triode Q1 and the negative pole of electric capacity C2, and the resistance R10 be serially connected between the base stage of triode Q1 and the negative pole of electric capacity C2 and the resistance R7 be serially connected between the base stage of triode Q3 and the negative pole of electric capacity C2 forms.
Meanwhile, the base stage of this triode Q2 is connected with the collector electrode of triode Q1, and its collector electrode is connected with the positive pole of electric capacity C2; The emitter of described triode Q2 and the equal ground connection of emitter of triode Q3.
For guaranteeing operational effect, this first-level filtering wave circuit is be formed in parallel by the electric capacity C3 of resistance to be the resistance R8 of 10K Ω and capacity be 20 μ F; Described secondary filter circuit is be formed in parallel by the electric capacity C4 of resistance to be the resistance R9 of 8K Ω and capacity be 10 μ F; Three grades of described filter circuits are then for the electric capacity C5 of to be the resistance R11 of 5K Ω and capacity by resistance be 5 μ F is formed in parallel.
Described beam excitation formula logic amplifying circuit is primarily of power amplifier P, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the electrode input end of power amplifier P, the polar capacitor C6 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C6, the resistance R13 of other end ground connection after diode D3, positive pole is connected with the tie point of diode D3 with resistance R13, the polar capacitor C7 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R14 that the other end is connected with the electrode input end of power amplifier P, be serially connected in the resistance R15 between the negative input of power amplifier P and output, one end is connected with the output of NAND gate IC1, the resistance R16 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C8 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C7, the resistance R17 that the other end is connected with the negative input of NAND gate IC2 forms.
The electrode input end of described NAND gate IC1 is connected with the negative input of power amplifier P, and its output is connected with the electrode input end of NAND gate IC2.
Meanwhile, the electrode input end of NAND gate IC3 is connected with the output of power amplifier P, and its output is then connected with the negative pole of DC power supply S.
The N pole of diode D1 is connected with one end of resistance R1, and forms an output of the present utility model; The other end of resistance R4 is then connected with the negative pole of DC power supply S, and forms an input of the present utility model.
The battery protection circuit that will calibrate or test only is needed to be connected with input with output during use.When two termination external loading of battery protection circuit; then discharged by the utility model; now electronic switch K disconnects; the electric current flowed out from DC power supply S forms two loops after diode D1; wherein DC power supply S is flowed back in a road after passive π type filter circuit and the asymmetric circuit of emitter-base bandgap grading manifold type, and flows back to DC power supply S after another Lu Zejing battery protection circuit and external loading.When the two ends external power supply of this battery protection circuit; then the utility model is charged; namely now electronic switch K closes; diode D1 short circuit; because the voltage of DC power supply S is much smaller than external power supply; therefore the electric current of external power supply is after battery protection circuit and output of the present utility model, then flows out from the input of battery protection circuit through passive π type filter circuit and the asymmetric circuit of emitter-base bandgap grading manifold type, thus realizes the function of bipolar power supply.
As mentioned above, just the utility model can be realized preferably.
Claims (5)
1. an emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit, primarily of DC power supply S, the diode D1 that P pole is connected with the positive pole of DC power supply S, N pole forms loop after load resistance with the negative pole of DC power supply S, and form with the electronic switch K that diode D1 is in parallel, it is characterized in that, passive π type filter circuit is serially connected with between the N pole and the negative pole of DC power supply S of diode D1, and the emitter-base bandgap grading manifold type asymmetric circuit be connected with passive π type filter circuit, meanwhile, between the asymmetric circuit of emitter-base bandgap grading manifold type and DC power supply S, be serially connected with beam excitation formula logic amplifying circuit, described beam excitation formula logic amplifying circuit, primarily of power amplifier P, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the electrode input end of power amplifier P, the polar capacitor C6 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C6, the resistance R13 of other end ground connection after diode D3, positive pole is connected with the tie point of diode D3 with resistance R13, the polar capacitor C7 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R14 that the other end is connected with the electrode input end of power amplifier P, be serially connected in the resistance R15 between the negative input of power amplifier P and output, one end is connected with the output of NAND gate IC1, the resistance R16 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C8 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C7, the resistance R17 that the other end is connected with the negative input of NAND gate IC2 forms, the electrode input end of described NAND gate IC1 is connected with the negative input of power amplifier P, and its output is connected with the electrode input end of NAND gate IC2, the electrode input end of NAND gate IC3 is connected with the output of power amplifier P, and its output is then connected with the negative pole of DC power supply S.
2. a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic according to claim 1 amplifies supply unit, it is characterized in that, described passive π type filter circuit is low-pass filter circuit, it is by electric capacity C1, electric capacity C2, and the resistance R5 be serially connected between the positive pole of electric capacity C1 and the positive pole of electric capacity C2 forms; Be connected with the negative pole of DC power supply S after the negative pole of described electric capacity C1 and the negative pole of electric capacity C2 are connected in series, the positive pole of electric capacity C1 is then connected with the N pole of diode D1.
3. a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic according to claim 2 amplifies supply unit, it is characterized in that, described emitter-base bandgap grading manifold type Asymmetric Electric route triode Q1, triode Q2, triode Q3, be serially connected in the first-level filtering wave circuit between the emitter of triode Q2 and the base stage of triode Q3, be serially connected in the resistance R6 between the collector electrode of triode Q3 and the collector electrode of diode Q2, be serially connected in the resistance R12 between the collector electrode of triode Q1 and the collector electrode of triode Q2, be serially connected in the secondary filter circuit between the emitter of triode Q1 and the negative pole of electric capacity C2, be serially connected in three grades of filters between the base stage of triode Q1 and the negative pole of electric capacity C2, and the resistance R10 be serially connected between the base stage of triode Q1 and the negative pole of electric capacity C2 and the resistance R7 be serially connected between the base stage of triode Q3 and the negative pole of electric capacity C2 forms, the base stage of described triode Q2 is connected with the collector electrode of triode Q1, and its collector electrode is connected with the positive pole of electric capacity C2, the emitter of described triode Q2 and the equal ground connection of emitter of triode Q3.
4. a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic according to any one of claims 1 to 3 amplifies supply unit, it is characterized in that: described load resistance is connected in series by resistance R1, resistance R2, resistance R3 and resistance R4 that resistance is identical and forms.
5. a kind of emitter-base bandgap grading manifold type asymmetric double polarity logic according to claim 3 amplifies supply unit, and it is characterized in that, described first-level filtering wave circuit, secondary filter circuit and three grades of filter circuits are RC filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717200.4U CN204316444U (en) | 2014-11-25 | 2014-11-25 | A kind of emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717200.4U CN204316444U (en) | 2014-11-25 | 2014-11-25 | A kind of emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit |
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| Publication Number | Publication Date |
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| CN204316444U true CN204316444U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420717200.4U Expired - Fee Related CN204316444U (en) | 2014-11-25 | 2014-11-25 | A kind of emitter-base bandgap grading manifold type asymmetric double polarity logic amplifies supply unit |
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| CN (1) | CN204316444U (en) |
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- 2014-11-25 CN CN201420717200.4U patent/CN204316444U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chang Jiang Inventor after: Ding Shufen Inventor after: Chang Dong Inventor after: Yu Fang Inventor after: Jiang Yan Inventor after: Li Li Inventor after: Zeng Yan Inventor after: Zhang Jianhui Inventor before: Ding Shufen Inventor before: Chang Jiang Inventor before: Chang Dong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160418 Address after: 330000 Jiangxi Province, Nanchang Qingshan Lake Hongdu Avenue 205 Building No. 10 Patentee after: Chang Jiang Address before: 330029 Jiangxi Province, Nanchang Qingshan Lake Hongdu Avenue No. 205 561 Patentee before: Ding Shufen |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20161125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |