CN203054658U - Adjustable high-precision integrated voltage stabilizing system - Google Patents
Adjustable high-precision integrated voltage stabilizing system Download PDFInfo
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- CN203054658U CN203054658U CN 201220664231 CN201220664231U CN203054658U CN 203054658 U CN203054658 U CN 203054658U CN 201220664231 CN201220664231 CN 201220664231 CN 201220664231 U CN201220664231 U CN 201220664231U CN 203054658 U CN203054658 U CN 203054658U
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- capacitor
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- voltage
- voltage stabilizing
- adjustable high
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Abstract
The utility model discloses an adjustable high-precision integrated voltage stabilizing system, and belongs to the electrics field. The adjustable high-precision integrated voltage stabilizing system comprises a first voltage stabilizing circuit connected with a power source positive pole and a second voltage stabilizing circuit connected with a power source negative pole. Through the abovementioned arrangement, the defects that conventional voltage stabilizing systems are low in precision, can easily produce error voltage, and is low in stability because internal circuits are not thoroughly protected are overcome; and the first voltage stabilizing circuit coordinates with the second voltage stabilizing circuit, and resistors are disposed close to voltage stabilizers, so output current can be prevented from producing error voltage in the circuit, thereby ensuring precision and stability of output voltage and making the adjustable high-precision integrated voltage stabilizing system be suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of voltage-stabilizing system, concretely, belongs to the integrated voltage-stabilizing system of a kind of adjustable high precision.
Background technology
Voltage-stabilizing system as its name suggests, makes the equipment of output voltage stabilization exactly.The shortcoming that existing voltage-stabilizing system generally has is that precision is low, is easy to generate error voltage, the volume safeguard measure that the while does not improve owing to internal circuit, so stability is lower.
The utility model content
It is low that the purpose of this utility model is to overcome existing voltage-stabilizing system precision, is easy to generate error voltage, and the lower defective of the volume safeguard measure that does not improve owing to internal circuit, so stability simultaneously provides a kind of adjustable high precision integrated voltage-stabilizing system.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The integrated voltage-stabilizing system of a kind of adjustable high precision comprises first mu balanced circuit that links to each other with positive source, and second mu balanced circuit that links to each other with power cathode.
Further, described first mu balanced circuit comprises first voltage stabilizer that input end links to each other with positive source V1, also be connected with an end of capacitor C 1 on this first voltage stabilizer input end, adjust an end that is connected with capacitor C 2 on the end, be connected with an end of resistance R 1 and an end of capacitor C 5 on the output terminal respectively, described capacitor C 1, the equal ground connection of the other end of capacitor C 2 and capacitor C 5, the other end of resistance R 1 links to each other with the end of slide rheostat R2, the other end ground connection of this slide rheostat R2, the adjustment end of first voltage stabilizer also links to each other with the end that resistance R 1 links to each other with slide rheostat R2 simultaneously.
Further again, described second mu balanced circuit comprises second voltage stabilizer that input end links to each other with power cathode-V1, also be connected with an end of capacitor C 3 on this first voltage stabilizer input end, adjust an end that is connected with capacitor C 4 on the end, be connected with an end of resistance R ' 1 and an end of capacitor C 6 on the output terminal respectively, described capacitor C 3, the equal ground connection of the other end of capacitor C 4 and capacitor C 6, the other end of resistance R ' 1 links to each other with the end of slide rheostat R ' 2, the other end ground connection of this slide rheostat R ' 2, the adjustment end of first voltage stabilizer also links to each other with the end that resistance R 1 links to each other with slide rheostat R2 simultaneously.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model circuit structure is simple, with low cost, is fit to promote the use of.
(2) the utility model has adopted first mu balanced circuit and second mu balanced circuit to want to cooperate, because resistance near voltage stabilizer, therefore can prevent that output current from producing error voltage at line, has guaranteed precision and the stability of output voltage simultaneously.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model-embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, the integrated voltage-stabilizing system of a kind of adjustable high precision comprises first mu balanced circuit that links to each other with positive source, and second mu balanced circuit that links to each other with power cathode.
Wherein said first mu balanced circuit comprises first voltage stabilizer that input end links to each other with positive source V1, it is the voltage stabilizer of LM117 that first voltage stabilizer adopts model, also be connected with an end of capacitor C 1 on this first voltage stabilizer input end, C1=0.1uF, adjust an end that is connected with capacitor C 2 on the end, C2=10uF is connected with an end of resistance R 1 and an end of capacitor C 5 respectively on the output terminal, R1=120 Ω, C5=1uF.The equal ground connection of the other end of described capacitor C 1, capacitor C 2 and capacitor C 5, the other end of resistance R 1 links to each other with the end of slide rheostat R2, the other end ground connection of this slide rheostat R2, the range of slide rheostat R2 are 1k Ω～10k Ω, and present embodiment preferably slides into resistance 2k Ω.The adjustment end of first voltage stabilizer also links to each other with the end that resistance R 1 links to each other with slide rheostat R2 simultaneously.
Described second mu balanced circuit comprises second voltage stabilizer that input end links to each other with power cathode-V1, also is connected with an end of capacitor C 3 on this first voltage stabilizer input end, C3=0.1uF.Adjust an end that is connected with capacitor C 4 on the end, C4=10uF.Be connected with an end of resistance R ' 1 and an end of capacitor C 6 on the output terminal respectively, R ' 1=120 Ω, C6=1 uF.The equal ground connection of the other end of described capacitor C 3, capacitor C 4 and capacitor C 6, the other end of resistance R ' 1 links to each other with the end of slide rheostat R ' 2, the other end ground connection of this slide rheostat R ' 2, the range of slide rheostat R ' 2 are 1k Ω～10k Ω, and present embodiment preferably slides into resistance 2k Ω.The adjustment end of first voltage stabilizer also links to each other with the end that resistance R 1 links to each other with slide rheostat R2 simultaneously.
According to above-described embodiment, just can realize the utility model well.
Claims (3)
1. the integrated voltage-stabilizing system of adjustable high precision is characterized in that, comprises first mu balanced circuit that links to each other with positive source, and second mu balanced circuit that links to each other with power cathode.
2. the integrated voltage-stabilizing system of a kind of adjustable high precision according to claim 1, it is characterized in that, described first mu balanced circuit comprises first voltage stabilizer that input end links to each other with positive source V1, also be connected with an end of capacitor C 1 on this first voltage stabilizer input end, adjust an end that is connected with capacitor C 2 on the end, be connected with an end of resistance R 1 and an end of capacitor C 5 on the output terminal respectively, described capacitor C 1, the equal ground connection of the other end of capacitor C 2 and capacitor C 5, the other end of resistance R 1 links to each other with the end of slide rheostat R2, the other end ground connection of this slide rheostat R2, the adjustment end of first voltage stabilizer also links to each other with the end that resistance R 1 links to each other with slide rheostat R2 simultaneously.
3. the integrated voltage-stabilizing system of a kind of adjustable high precision according to claim 2, it is characterized in that, described second mu balanced circuit comprises second voltage stabilizer that input end links to each other with power cathode-V1, also be connected with an end of capacitor C 3 on this first voltage stabilizer input end, adjust an end that is connected with capacitor C 4 on the end, be connected with an end of resistance R ' 1 and an end of capacitor C 6 on the output terminal respectively, described capacitor C 3, the equal ground connection of the other end of capacitor C 4 and capacitor C 6, the other end of resistance R ' 1 links to each other with the end of slide rheostat R ' 2, the other end ground connection of this slide rheostat R ' 2, the adjustment end of first voltage stabilizer also links to each other with the end that resistance R 1 links to each other with slide rheostat R2 simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664231 CN203054658U (en) | 2012-12-06 | 2012-12-06 | Adjustable high-precision integrated voltage stabilizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664231 CN203054658U (en) | 2012-12-06 | 2012-12-06 | Adjustable high-precision integrated voltage stabilizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054658U true CN203054658U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220664231 Expired - Fee Related CN203054658U (en) | 2012-12-06 | 2012-12-06 | Adjustable high-precision integrated voltage stabilizing system |
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| CN (1) | CN203054658U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297695A (en) * | 2016-08-29 | 2017-01-04 | 合肥惠科金扬科技有限公司 | A kind of TFT LCD liquid crystal display screen delay circuit |
| CN107024567A (en) * | 2017-05-26 | 2017-08-08 | 深圳市通恒科技有限公司 | It is a kind of to simulate acid, the pH value electric signal generator circuit of alkali concn |
| CN111124024A (en) * | 2019-12-10 | 2020-05-08 | 洛阳隆盛科技有限责任公司 | Low-power 0V starting linear power supply circuit |
-
2012
- 2012-12-06 CN CN 201220664231 patent/CN203054658U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297695A (en) * | 2016-08-29 | 2017-01-04 | 合肥惠科金扬科技有限公司 | A kind of TFT LCD liquid crystal display screen delay circuit |
| CN107024567A (en) * | 2017-05-26 | 2017-08-08 | 深圳市通恒科技有限公司 | It is a kind of to simulate acid, the pH value electric signal generator circuit of alkali concn |
| CN111124024A (en) * | 2019-12-10 | 2020-05-08 | 洛阳隆盛科技有限责任公司 | Low-power 0V starting linear power supply circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20131206 |