CN203299678U - Anti-interference voltage-stabilized source - Google Patents
Anti-interference voltage-stabilized source Download PDFInfo
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- CN203299678U CN203299678U CN2013203550606U CN201320355060U CN203299678U CN 203299678 U CN203299678 U CN 203299678U CN 2013203550606 U CN2013203550606 U CN 2013203550606U CN 201320355060 U CN201320355060 U CN 201320355060U CN 203299678 U CN203299678 U CN 203299678U
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Abstract
The utility model discloses an anti-interference voltage-stabilized source which mainly solves problems of complicated structure and high cost of an existing anti-interference power source in the prior art and is characterized by comprising a triode Q1, a triode Q2, a resistor R2, a resistor R1, a slide rheostat R4, a resistor R6, a detecting circuit, a filtering circuit and an amplifying circuit, a collector of the triode Q2 is connected with a base of the triode Q1, the resistor R2 is connected between an emitter of the triode Q1 and an emitter of the triode Q2, the resistor R1 is connected between a collector of the triode Q1 and the collector of the triode Q2, a slide end of the slide rheostat R4 is connected with a base of the triode Q2, the resistor R6 is connected between the emitter of the triode Q1 and the emitter of the triode Q2, the detecting circuit is connected with the resistor R6, the filtering circuit is connected with the detecting circuit, and the amplifying circuit is connected with the filtering circuit. According to the scheme, the anti-interference voltage-stabilized source has the advantages that purposes of high anti-interference capacity, low cost and small size are achieved, and the anti-interference voltage-stabilized source is high in practical value and popularization value.
Description
Technical field
The utility model relates to a kind of power supply, specifically, relates to a kind of anti-interference type stabilized voltage supply.
Background technology
Power supply is the indispensable devices of most of electrical equipments, in order to make each electrical equipment can normally move the stability that need to guarantee as much as possible Power supply, thereby need to use a lot of anti-interference equipments, can cause like this power volume larger, cost is higher, is unfavorable for some mini-plant uses cheaply.
The utility model content
The purpose of this utility model is to provide a kind of anti-interference type stabilized voltage supply, mainly solves the high precision anti-jamming power-supply complex structure that exists in prior art, the problem that cost is higher.
To achieve these goals, the technical solution adopted in the utility model is as follows:
the anti-interference type stabilized voltage supply, comprise triode Q1, the triode Q2 that collector is connected with the base stage of triode Q1, be connected in the resistance R 2 between the emitter of the emitter of triode Q1 and triode Q2, be connected in the resistance R 1 between the collector of the collector of triode Q1 and triode Q2, the slide rheostat R4 that sliding end is connected with the base stage of triode Q2, one end is connected in one of them stiff end of slide rheostat R4, the other end is connected in the resistance R 3 of the emitter of triode Q1, one end is connected in another stiff end of slide rheostat R4, the other end is connected in the resistance R 5 of the emitter of triode Q2, be connected in the resistance R 6 between the emitter of the emitter of triode Q1 and triode Q2, the detecting circuit that is connected with resistance R 6, the resistance R 11 of in-phase input end by being connected successively, resistance R 9, the operational amplifier T2 that capacitor C 1 and resistance R 8 are connected with detecting circuit, one end is connected between resistance R 9 and resistance R 11, the other end is connected in the capacitor C 2 of the output terminal of operational amplifier T2, the output terminal of described operational amplifier T2 is connected with amplifying circuit.
Further, also comprise that an end is connected between capacitor C 1 and resistance R 9, the resistance R 10 of other end ground connection, be connected in in-phase input end and the capacitor C between ground 3 of operational amplifier T2.
Specifically, described detecting circuit comprises that output terminal passes through the operational amplifier T1 that diode D2 is connected with an end of resistance R 6, inverting input is connected with the other end of resistance R 6 by resistance R 7, be connected in the output terminal of operational amplifier T1 and the diode D1 between inverting input, the in-phase input end ground connection of described operational amplifier T1, described resistance R 8 is connected with the inverting input of operational amplifier T1.
Further, described amplifying circuit comprises the triode Q3 that base stage is connected with the output terminal of operational amplifier T2, the operational amplifier T3 that in-phase input end is connected with the emitter of triode Q3 by electrochemical capacitor C4, be connected in inverting input and the capacitor C between output terminal 5 of operational amplifier T3, be parallel to capacitor C 6 and the resistance R 16 at capacitor C 5 two ends after series connection.
In the utility model, described amplifying circuit also comprises base stage and the resistance R between ground 12 that is connected in triode Q3, be connected in emitter and the resistance R between ground 13 of triode Q3, be connected in inverting input and the resistance R between ground 15 of operational amplifier T3, be connected in in-phase input end and the resistance R between ground 14 of operational amplifier T3.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is integrated filtering circuit, power circuit, detecting circuit, Design of Amplification Circuit, and according to actual conditions, has selected the components and parts that cost is minimum, effect is best to carry out circuit design, accords with the demands of the market.
(2) in the utility model, adopt and both to have had circuit that high pass filter function also has the low-pass filtering function as filtering circuit, circuit structure is very ingenious, and the noise reduction effect is fairly obvious, realistic demand.
(3) the utility model is simple in structure, uses less components and parts to realize anti-interference function, and with low cost, volume is small and exquisite, is fit to large-scale promotion application.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
as shown in Figure 1, the utility model discloses a kind of anti-interference type stabilized voltage supply, comprise triode Q1, the triode Q2 that collector is connected with the base stage of triode Q1, be connected in the resistance R 2 between the emitter of the emitter of triode Q1 and triode Q2, be connected in the resistance R 1 between the collector of the collector of triode Q1 and triode Q2, the slide rheostat R4 that sliding end is connected with the base stage of triode Q2, one end is connected in one of them stiff end of slide rheostat R4, the other end is connected in the resistance R 3 of the emitter of triode Q1, one end is connected in another stiff end of slide rheostat R4, the other end is connected in the resistance R 5 of the emitter of triode Q2, be connected in the resistance R 6 between the emitter of the emitter of triode Q1 and triode Q2, the detecting circuit that is connected with resistance R 6, the resistance R 11 of in-phase input end by being connected successively, resistance R 9, the operational amplifier T2 that capacitor C 1 and resistance R 8 are connected with detecting circuit, one end is connected between resistance R 9 and resistance R 11, the other end is connected in the capacitor C 2 of the output terminal of operational amplifier T2, the output terminal of described operational amplifier T2 is connected with amplifying circuit.
Further, also comprise that an end is connected between capacitor C 1 and resistance R 9, the resistance R 10 of other end ground connection, be connected in in-phase input end and the capacitor C between ground 3 of operational amplifier T2.
Specifically, described detecting circuit comprises that output terminal passes through the operational amplifier T1 that diode D2 is connected with an end of resistance R 6, inverting input is connected with the other end of resistance R 6 by resistance R 7, be connected in the output terminal of operational amplifier T1 and the diode D1 between inverting input, the in-phase input end ground connection of described operational amplifier T1, described resistance R 8 is connected with the inverting input of operational amplifier T1.
Further, described amplifying circuit comprises the triode Q3 that base stage is connected with the output terminal of operational amplifier T2, the operational amplifier T3 that in-phase input end is connected with the emitter of triode Q3 by electrochemical capacitor C4, be connected in inverting input and the capacitor C between output terminal 5 of operational amplifier T3, be parallel to capacitor C 6 and the resistance R 16 at capacitor C 5 two ends after series connection.
In the utility model, described amplifying circuit also comprises base stage and the resistance R between ground 12 that is connected in triode Q3, be connected in emitter and the resistance R between ground 13 of triode Q3, be connected in inverting input and the resistance R between ground 15 of operational amplifier T3, be connected in in-phase input end and the resistance R between ground 14 of operational amplifier T3.
On the basis of foregoing circuit, the present embodiment also is connected with part auxiliary element and line, is used for guaranteeing the normal operation of circuit, and the use of these auxiliary elements and line belongs to the circuit application custom of industry universal, does not repeat them here.
, according to above-described embodiment, just can realize well the utility model.
Claims (5)
1. anti-interference type stabilized voltage supply, it is characterized in that, comprise triode Q1, the triode Q2 that collector is connected with the base stage of triode Q1, be connected in the resistance R 2 between the emitter of the emitter of triode Q1 and triode Q2, be connected in the resistance R 1 between the collector of the collector of triode Q1 and triode Q2, the slide rheostat R4 that sliding end is connected with the base stage of triode Q2, one end is connected in one of them stiff end of slide rheostat R4, the other end is connected in the resistance R 3 of the emitter of triode Q1, one end is connected in another stiff end of slide rheostat R4, the other end is connected in the resistance R 5 of the emitter of triode Q2, be connected in the resistance R 6 between the emitter of the emitter of triode Q1 and triode Q2, the detecting circuit that is connected with resistance R 6, the resistance R 11 of in-phase input end by being connected successively, resistance R 9, the operational amplifier T2 that capacitor C 1 and resistance R 8 are connected with detecting circuit, one end is connected between resistance R 9 and resistance R 11, the other end is connected in the capacitor C 2 of the output terminal of operational amplifier T2, the output terminal of described operational amplifier T2 is connected with amplifying circuit.
2. anti-interference type stabilized voltage supply according to claim 1, is characterized in that, also comprises that an end is connected between capacitor C 1 and resistance R 9, the resistance R 10 of other end ground connection, is connected in in-phase input end and the capacitor C between ground 3 of operational amplifier T2.
3. anti-interference type stabilized voltage supply according to claim 2, it is characterized in that, described detecting circuit comprises that output terminal passes through the operational amplifier T1 that diode D2 is connected with an end of resistance R 6, inverting input is connected with the other end of resistance R 6 by resistance R 7, be connected in the output terminal of operational amplifier T1 and the diode D1 between inverting input, the in-phase input end ground connection of described operational amplifier T1, described resistance R 8 is connected with the inverting input of operational amplifier T1.
4. anti-interference type stabilized voltage supply according to claim 3, it is characterized in that, described amplifying circuit comprises the triode Q3 that base stage is connected with the output terminal of operational amplifier T2, the operational amplifier T3 that in-phase input end is connected with the emitter of triode Q3 by electrochemical capacitor C4, be connected in inverting input and the capacitor C between output terminal 5 of operational amplifier T3, be parallel to capacitor C 6 and the resistance R 16 at capacitor C 5 two ends after series connection.
5. anti-interference type stabilized voltage supply according to claim 4, it is characterized in that, described amplifying circuit also comprises base stage and the resistance R between ground 12 that is connected in triode Q3, be connected in emitter and the resistance R between ground 13 of triode Q3, be connected in inverting input and the resistance R between ground 15 of operational amplifier T3, be connected in in-phase input end and the resistance R between ground 14 of operational amplifier T3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203550606U CN203299678U (en) | 2013-06-20 | 2013-06-20 | Anti-interference voltage-stabilized source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203550606U CN203299678U (en) | 2013-06-20 | 2013-06-20 | Anti-interference voltage-stabilized source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203299678U true CN203299678U (en) | 2013-11-20 |
Family
ID=49575677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203550606U Expired - Lifetime CN203299678U (en) | 2013-06-20 | 2013-06-20 | Anti-interference voltage-stabilized source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203299678U (en) |
-
2013
- 2013-06-20 CN CN2013203550606U patent/CN203299678U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU BOST INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHENGDU BOOST TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Patentee after: CHENGDU BOOST INFORMATION TECHNOLOGY Co.,Ltd. Address before: 610000, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Patentee before: CHENGDU BOOST TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |