CN204858518U - A protection circuit that is used for portable product docking station power end - Google Patents
A protection circuit that is used for portable product docking station power end Download PDFInfo
- Publication number
- CN204858518U CN204858518U CN201520581125.8U CN201520581125U CN204858518U CN 204858518 U CN204858518 U CN 204858518U CN 201520581125 U CN201520581125 U CN 201520581125U CN 204858518 U CN204858518 U CN 204858518U
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- module
- control module
- central control
- docking station
- transistor
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 36
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The utility model discloses a protection circuit that is used for portable product docking station power end belongs to portable instrument peripheral hardware field, and this circuit includes central control module, current detection module, transistor, time control module, buzzer, warning drive module, overvoltage protection module, undervoltage protection module, and central control module's 1 foot and current detection module are connected, and current detection module is connected with mainboard power and transistor respectively, central control module's 2 feet and transistor are connected, and the transistor is connected with current detection module and docking station power respectively, central control module's 3 feet and time control module are connected, central control module's 4 feet in proper order with warning drive module and buzzer connection, central control module's 5 feet and overvoltage protection module are connected, central control module's 6 feet and undervoltage protection module are connected. The utility model discloses can be effectual the circuit of protection docking station, the life of extension docking station.
Description
Technical field
The utility model relates to a kind of protective circuit, specifically a kind of protective circuit for portable product docking station power end.
Background technology
Along with the development of science and technology, portable product and our life more and more closer, but due to the restriction of portable product own vol, cause and cannot assemble more function accessories, so docking station arises at the historic moment, but because the power supply of docking station is mainly from the motherboard power supply of portable product, is easy to the instability causing power supply circuits like this, thus causes the damage of docking station.
Summary of the invention
Technical assignment of the present utility model is for above deficiency, provides a kind of protective circuit for portable product docking station power end.
The utility model solves the technical scheme that its technical problem adopts: this protective circuit comprises the central control module for data processing, for detecting the current detection module of current information, for the transistor of control circuit break-make, for setting from the time control module of circuit abnormality to the time interval of cut-out circuit being detected, for the buzzer of reporting to the police, for driving the warning driver module of buzzer, for setting the overvoltage protective module of the maximum voltage value that this protective circuit allows, for setting the under-voltage protective module of the minimum voltage value that this protective circuit allows, 1 pin of central control module is connected with current detection module, current detection module is connected with motherboard power supply and transistor respectively, 2 pin of central control module are connected with transistor, and transistor is connected with current detection module and docking station power supply respectively, 3 pin of central control module are connected with time control module, 4 pin of central control module are connected with buzzer with warning driver module successively, 5 pin of central control module are connected with overvoltage protective module, 6 pin of central control module are connected with under-voltage protective module.
Described transistor is mosfet transistor.
Described central control module is LM5060 chip.
Compared to the prior art a kind of protective circuit for portable product docking station power end of the present utility model, has following beneficial effect:
1. component number is few, and circuit is simple, is convenient to produce install;
2. current detection module, mosfet transistor, under-voltage protective module and overvoltage protective module match with LM5060 chip, can when curtage exception open circuit, thus play protection docking station effect;
3. buzzer be designed for reminding user, facilitate user to grasp the working condition of docking station;
4. the appropriate design of circuit makes the circuit not affecting portable product after open circuit run.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Accompanying drawing 1 is a kind of work block diagram of the protective circuit for portable product docking station power end.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of protective circuit for portable product docking station power end, this circuit comprises the LM5060 chip for data processing, for detecting the current detection module of current information, for the mosfet transistor of control circuit break-make, for setting from the time control module of circuit abnormality to the time interval of cut-out circuit being detected, for the buzzer of reporting to the police, for driving the warning driver module of buzzer, for setting the overvoltage protective module of the maximum voltage value that this protective circuit allows, for setting the under-voltage protective module of the minimum voltage value that this protective circuit allows, wherein, 1 pin of LM5060 chip is connected with current detection module, current detection module is connected with motherboard power supply and mosfet transistor respectively, 2 pin of LM5060 chip are connected with mosfet transistor, and mosfet transistor is connected with current detection module and docking station power supply respectively, 3 pin of LM5060 chip are connected with time control module, 4 pin of LM5060 chip are connected with warning driver module and buzzer successively, 5 pin of LM5060 chip are connected with overvoltage protective module, 6 pin of LM5060 chip are connected with under-voltage protective module.The core component of current control module is current sensor; under-voltage protective module and overvoltage protective module can be set by the form of electric resistance partial pressure; the core component of warning driver module is triode, and time control module realizes by encoding to LM5060 chip.
Specific works principle is:
First by under-voltage protective module and the overvoltage protective module rated range according to the input voltage of the configuration requirement setting motherboard power supply of LM5060 chip, then be energized to this protective circuit, if input voltage over range, LM5060 chip will send the signal of breaking circuit to mosfet transistor, drive buzzer to give a warning by controlling warning driver module simultaneously; Current information can be passed to LM5060 chip by current detection module, if detect, abnormal current occurs, LM5060 chip will send the signal of breaking circuit to mosfet transistor, drives buzzer to give a warning by controlling warning driver module simultaneously; Guard time setting module can set LM5060 from the time of abnormal conditions to trigger protection circuit and circuit alarm being detected.
By embodiment above, described those skilled in the art can be easy to realize the utility model.But should be appreciated that the utility model is not limited to above-mentioned embodiment.On the basis of disclosed execution mode, described those skilled in the art can the different technical characteristic of combination in any, thus realizes different technical schemes.
Claims (3)
1. the protective circuit for portable product docking station power end, this circuit comprises the central control module for data processing, for detecting the current detection module of current information, for the transistor of control circuit break-make, for setting from the time control module of circuit abnormality to the time interval of cut-out circuit being detected, for the buzzer of reporting to the police, for driving the warning driver module of buzzer, for setting the overvoltage protective module of the maximum voltage value that this protective circuit allows, for setting the under-voltage protective module of the minimum voltage value that this protective circuit allows, it is characterized in that: 1 pin of central control module is connected with current detection module, current detection module is connected with motherboard power supply and transistor respectively, 2 pin of central control module are connected with transistor, and transistor is connected with current detection module and docking station power supply respectively, 3 pin of central control module are connected with time control module, 4 pin of central control module are connected with buzzer with warning driver module successively, 5 pin of central control module are connected with overvoltage protective module, 6 pin of central control module are connected with under-voltage protective module.
2. a kind of protective circuit for portable product docking station power end according to claim 1, is characterized in that: described transistor is mosfet transistor.
3. a kind of protective circuit for portable product docking station power end according to claim 1, is characterized in that: described central control module is LM5060 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581125.8U CN204858518U (en) | 2015-08-05 | 2015-08-05 | A protection circuit that is used for portable product docking station power end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581125.8U CN204858518U (en) | 2015-08-05 | 2015-08-05 | A protection circuit that is used for portable product docking station power end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858518U true CN204858518U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520581125.8U Active CN204858518U (en) | 2015-08-05 | 2015-08-05 | A protection circuit that is used for portable product docking station power end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204858518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107194290A (en) * | 2017-05-23 | 2017-09-22 | 济南浪潮高新科技投资发展有限公司 | A kind of protection system for docking station USB |
-
2015
- 2015-08-05 CN CN201520581125.8U patent/CN204858518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107194290A (en) * | 2017-05-23 | 2017-09-22 | 济南浪潮高新科技投资发展有限公司 | A kind of protection system for docking station USB |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |