CN202748954U - Startup power-on module of learning machine circuit - Google Patents
Startup power-on module of learning machine circuit Download PDFInfo
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- CN202748954U CN202748954U CN 201220200928 CN201220200928U CN202748954U CN 202748954 U CN202748954 U CN 202748954U CN 201220200928 CN201220200928 CN 201220200928 CN 201220200928 U CN201220200928 U CN 201220200928U CN 202748954 U CN202748954 U CN 202748954U
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Abstract
The utility model discloses a startup power-on module of a learning machine circuit. According to the startup power-on module, a battery BT1 is charged by a USB charge circuit of the learning machine and supplies power for a master control chip and other circuit modules of the learning machine; an electrostatic impedor is connected to the circuit for preventing electrostatic interferences; and an RC circuit and diodes are used for realizing stable power supply. The utility model can effectively realize the stable power supply when the learning machine is started up, improving the startup speed of the learning machine.
Description
Technical field
The utility model relates to the learning machine circuit field, is specially start in a kind of learning machine circuit module that powers on.
Background technology
Learning machine is a kind of electronic instruction series products, is widely used in the student group at home.Learning machine generally is made of main control module and other peripheral circuit thereof, such as start electrification circuit, display circuit etc.The prior art learning machine the unstable problem that causes main control chip and peripheral circuit start delay thereof of output voltage can occur when start powers on, cause the learning machine starting up speed slow.
The utility model content
The utility model purpose provides start in a kind of learning machine circuit module that powers on, to solve the slow problem of prior art learning machine starting up speed.
In order to achieve the above object, the technical scheme that adopts of the utility model is:
Start in a kind of learning machine circuit module that powers on, it is characterized in that: include battery BT1, battery BT1 minus earth, positive pole exports other circuit modules of learning machine to, battery BT1 goes up and is connected to capacitor C 5, battery BT1 upward goes back and is connected to the RC circuit, described RC circuit is made of resistance R parallel with one another 16, capacitor C 8 and the resistance R 6 of connecting with the parallel branch that resistance R 16, capacitor C 8 consist of, and is connected to the main control chip of learning machine from having wire to draw between resistance R 16,8 one parallel connected end of capacitor C; Also include field effect transistor Q1, the source electrode access battery BT1 of field effect transistor Q1 is anodal, two line conductors are arranged on the grid of field effect transistor Q1, a line conductor connects learning machine USB charging circuit by resistance R 8 on the grid, another line conductor is by resistance R 18 ground connection on the grid, be connected to the output lead that exports other circuit modules of learning machine in the drain electrode of field effect transistor Q1, be connected to the resistance R 1 of connecting successively between the drain electrode of field effect transistor Q1 and the battery BT1 negative pole, pushbutton switch SW1, resistance R 12, resistance R 19, from resistance R 12, there is wire to draw the main control chip of access learning machine between the resistance R 19, pushbutton switch SW1 two ends are respectively by electrostatic impedor ED11, ED12 ground connection, be divided into three line conductors after being connected to diode D3 between pushbutton switch SW1 and the resistance R 12, the upper line conductor of diode D3 is connected to diode D2 successively, resistance R 3, the drain electrode of access field effect transistor Q1 behind the voltage stabilizing diode D1, there is wire to draw access learning machine USB charging circuit between resistance R 3 and the voltage stabilizing diode D1, voltage stabilizing diode D1 is upper to also have wire to connect battery BT1 negative pole by capacitor C 1, upper another line conductor of diode D3 connects battery BT1 negative pole by resistance R 21, the diode D4 of the upper Third Road wire of diode D3 by connecting successively, resistance R 20 connects battery BT1 negative pole, between diode D4 and the resistance R 20, there is respectively wire to draw the main control chip of access learning machine between diode D4 and the diode D3.
The utility model can connect learning machine USB charging circuit and charge, utilize battery to power to learning machine main control chip and other peripheral circuits, prevent the interference that static brings by electrostatic impedor, cooperate by each inner electron device simultaneously, stable power-supplying in the time of effectively realizing the learning machine start has improved the learning machine starting up speed.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1.Start in a kind of learning machine circuit module that powers on, include battery BT1, battery BT1 minus earth, positive pole exports other circuit modules of learning machine to, battery BT1 goes up and is connected to capacitor C 5, battery BT1 is upper also and be connected to the RC circuit, and the RC circuit is made of resistance R parallel with one another 16, capacitor C 8 and the resistance R 6 of connecting with the parallel branch that resistance R 16, capacitor C 8 consist of, and is connected to the main control chip of learning machine from having wire to draw between resistance R 16,8 one parallel connected end of capacitor C; Also include field effect transistor Q1, the source electrode access battery BT1 of field effect transistor Q1 is anodal, two line conductors are arranged on the grid of field effect transistor Q1, a line conductor connects learning machine USB charging circuit by resistance R 8 on the grid, another line conductor is by resistance R 18 ground connection on the grid, be connected to the output lead that exports other circuit modules of learning machine in the drain electrode of field effect transistor Q1, be connected to the resistance R 1 of connecting successively between the drain electrode of field effect transistor Q1 and the battery BT1 negative pole, pushbutton switch SW1, resistance R 12, resistance R 19, from resistance R 12, there is wire to draw the main control chip of access learning machine between the resistance R 19, pushbutton switch SW1 two ends are respectively by electrostatic impedor ED11, ED12 ground connection, be divided into three line conductors after being connected to diode D3 between pushbutton switch SW1 and the resistance R 12, the upper line conductor of diode D3 is connected to diode D2 successively, resistance R 3, the drain electrode of access field effect transistor Q1 behind the voltage stabilizing diode D1, there is wire to draw access learning machine USB charging circuit between resistance R 3 and the voltage stabilizing diode D1, voltage stabilizing diode D1 is upper to also have wire to connect battery BT1 negative pole by capacitor C 1, upper another line conductor of diode D3 connects battery BT1 negative pole by resistance R 21, the diode D4 of the upper Third Road wire of diode D3 by connecting successively, resistance R 20 connects battery BT1 negative pole, between diode D4 and the resistance R 20, there is respectively wire to draw the main control chip of access learning machine between diode D4 and the diode D3.
Claims (1)
1. the module that powers on of the start in the learning machine circuit, it is characterized in that: include battery BT1, battery BT1 minus earth, positive pole exports other circuit modules of learning machine to, battery BT1 goes up and is connected to capacitor C 5, battery BT1 upward goes back and is connected to the RC circuit, described RC circuit is made of resistance R parallel with one another 16, capacitor C 8 and the resistance R 6 of connecting with the parallel branch that resistance R 16, capacitor C 8 consist of, and is connected to the main control chip of learning machine from having wire to draw between resistance R 16,8 one parallel connected end of capacitor C; Also include field effect transistor Q1, the source electrode access battery BT1 of field effect transistor Q1 is anodal, two line conductors are arranged on the grid of field effect transistor Q1, a line conductor connects learning machine USB charging circuit by resistance R 8 on the grid, another line conductor is by resistance R 18 ground connection on the grid, be connected to the output lead that exports other circuit modules of learning machine in the drain electrode of field effect transistor Q1, be connected to the resistance R 1 of connecting successively between the drain electrode of field effect transistor Q1 and the battery BT1 negative pole, pushbutton switch SW1, resistance R 12, resistance R 19, from resistance R 12, there is wire to draw the main control chip of access learning machine between the resistance R 19, pushbutton switch SW1 two ends are respectively by electrostatic impedor ED11, ED12 ground connection, be divided into three line conductors after being connected to diode D3 between pushbutton switch SW1 and the resistance R 12, the upper line conductor of diode D3 is connected to diode D2 successively, resistance R 3, the drain electrode of access field effect transistor Q1 behind the voltage stabilizing diode D1, there is wire to draw access learning machine USB charging circuit between resistance R 3 and the voltage stabilizing diode D1, voltage stabilizing diode D1 is upper to also have wire to connect battery BT1 negative pole by capacitor C 1, upper another line conductor of diode D3 connects battery BT1 negative pole by resistance R 21, the diode D4 of the upper Third Road wire of diode D3 by connecting successively, resistance R 20 connects battery BT1 negative pole, between diode D4 and the resistance R 20, there is respectively wire to draw the main control chip of access learning machine between diode D4 and the diode D3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200928 CN202748954U (en) | 2012-05-07 | 2012-05-07 | Startup power-on module of learning machine circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200928 CN202748954U (en) | 2012-05-07 | 2012-05-07 | Startup power-on module of learning machine circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748954U true CN202748954U (en) | 2013-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220200928 Expired - Fee Related CN202748954U (en) | 2012-05-07 | 2012-05-07 | Startup power-on module of learning machine circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202748954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814645A (en) * | 2018-12-10 | 2019-05-28 | 江苏科技大学 | A kind of warm and humid survey monitoring unit of silo and its implementation |
-
2012
- 2012-05-07 CN CN 201220200928 patent/CN202748954U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814645A (en) * | 2018-12-10 | 2019-05-28 | 江苏科技大学 | A kind of warm and humid survey monitoring unit of silo and its implementation |
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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: 20130220 Termination date: 20130507 |