CN201975817U - Power supply circuit and golf cart with same - Google Patents
Power supply circuit and golf cart with same Download PDFInfo
- Publication number
- CN201975817U CN201975817U CN 201120038762 CN201120038762U CN201975817U CN 201975817 U CN201975817 U CN 201975817U CN 201120038762 CN201120038762 CN 201120038762 CN 201120038762 U CN201120038762 U CN 201120038762U CN 201975817 U CN201975817 U CN 201975817U
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- China
- Prior art keywords
- power
- electronic equipment
- digital electronic
- portable digital
- pressurizer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a power supply circuit and a golf cart with the same. The power supply circuit comprises a DC/DC voltage stabilizer, wherein an input pin of the DC/DC voltage stabilizer is connected with a power supply access terminal; and an output pin of the DC/DC voltage stabilizer is connected with a power supply output terminal and connected with a charging terminal of an interface of portable digital electronic equipment through the power supply output terminal, so as to charge the portable digital electronic equipment. In the golf cart provided by the utility model, a USB (Universal Serial Bus) interface is adopted to be connected with the portable digital electronic equipment, so that the portable digital electronic equipment can be charged stably and reliably outdoors.
Description
Technical field
The utility model belongs to the power circuit technical field, specifically, relates to a kind of golf cart that is used for DC power supply circuit and adopts described DC power supply circuit.
Background technology
Along with carrying out of golf, increasing user moves to golf course, and general outdoor golf course area is very big, and mains-supplied is not provided.
When user's golf course out of doors, need the digital electric equipment of carrying be charged, must turn back in the city environment with mains-supplied.Like this, the user charging is very inconvenient to the portable digital electronic equipment at the very big golf course of area.
The utility model content
The purpose of this utility model is to provide a kind of power circuit easy to use and has the golf cart of described power circuit, can make the user realize the portable digital electronic equipment is charged by the golf cart that power supply can be provided at golf course out of doors.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of power circuit, comprise a DC/DC pressurizer, the input pin of described DC/DC pressurizer connects power access end, the output pin of DC/DC pressurizer connects power output end, and pass through the charging end that described power output end connects the portable digital electronic equipment interfaces, described portable digital electronic equipment is charged.
Preferably, the direct voltage amplitude of the output pin output of described DC/DC pressurizer is+5V, described power output end is the power end of USB interface, power end by described USB interface connects the charging end of portable digital electronic equipment interfaces, and described portable digital electronic equipment is mobile phone, MP3, digital camera or portable electronic device.
Preferably, described DC/DC pressurizer adopts the pwm pulse width modulated.
The utility model provides a kind of golf cart again, comprise a kind of power circuit, the input pin of the DC/DC pressurizer in the described power circuit connects power access end, the output pin of DC/DC pressurizer connects power output end, and pass through the charging end that described power output end connects the portable digital electronic equipment interfaces, described portable digital electronic equipment is charged.
Compared with prior art, advantage of the present utility model and good effect are: the golf cart that the utility model provides can charge for the portable digital electronic equipment for the user easily out of doors at any time, and this power circuit conversion efficiency height, adopt USB interface to connect portable digital electronic equipment highly versatile, the space hold area of circuit board on golf cart is few, and can reliablely and stablely charge to the portable digital electronic equipment.
After reading the detailed description of the utility model execution mode in conjunction with the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the power circuit that proposes of the utility model;
Fig. 2 is the schematic diagram of a kind of embodiment of the golf cart that proposes of the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Power circuit of the present utility model is a kind of power-switching circuit of DC-DC, can adopt a DC/DC pressurizer to come the designing power supply circuit, utilize the level conversion function of DC/DC pressurizer that the high-voltage DC power supply of the externally fed of power circuit access is converted to the required charge power supply of portable digital electronic equipment, for various portable digital electronic equipments charge.
As a kind of concrete circuit teaming method wherein, power output end can be set at+the 5V direct voltage, and power output end is the power end of USB interface, because the extensive use of USB interface, this power circuit can be the various portable digital electronic equipment chargings that comprise mobile phone, MP3, digital camera or portable electronic device easily.
Elaborate the concrete establishment structure and the operation principle thereof of described wireless network card electric power management circuit below by a specific embodiment.
Embodiment one, and referring to shown in Figure 1, present embodiment is that example describes with the chip U1 that is integrated with DC/DC level conversion function, is the chip of MC34063 etc. such as model.The DC/DC pressurizer has high conversion efficiency, and adopts PWM (Pulse Width Modulation) pulse width modulating switch technology, and output voltage accurately and reliably can be provided.
Wherein, the pin 6 of chip U1 is the input pin of power supply, connects external dc power JI, by described external dc power J1 to obtain power supply from the outside.
External dc power J1 is connected to the pin 6 of chip U1 by a diode D1, for the power supply that inserts being carried out the power supply waveform of Filtering Processing with stable input, preferably, external dc power J1 passes through a decoupling capacitor C1 ground connection, and is connected to the pin 7 of chip U1 through a current-limiting resistance R 3.
The pin two of described chip U1 is as the power supply output pin, pin two is connected with a bleeder circuit, the dividing potential drop node of described bleeder circuit connects chip U1 pin 5, and the pin 5 of chip U1 can be by changing described dividing potential drop voltages at nodes value to regulate the voltage magnitude by the output pin output of chip U1 as feedback pin.Among the embodiment, the scalable bleeder circuit makes power output end be+the 5V DC power supply.
Described bleeder circuit is formed by connecting by two divider resistance R and 1R2, and the resistance that changes two divider resistances can change its dividing potential drop voltages at nodes value.
Described chip U1 pin two is leaded up to a high efficiency high-speed switch diode D2 ground connection, and another road is connected with power output end with described bleeder circuit respectively by the power inductance L of series connection, and simultaneously by a decoupling capacitor C2 ground connection.Described power inductance L plays the effect of energy storage, can further stablize the output voltage of chip U1.
With USB interface-based power output end is that example describes, power output end is+the 5V DC power supply, described power output end is the power end of USB interface, be connected to the USB interface of portable digital electronic equipment by USB interface, can from the high-voltage dc power supply of outside, obtain+dc power supply of 5V charges for the portable digital electronic equipment.Certainly, for the portable digital electronic equipment based on other interface shapes, the form that only needs to change this interface gets final product, and present embodiment is not limited in above giving an example.Generally speaking, select the good interface shape of versatility for use, USB interface is portable digital electronic equipment interface shape commonly used at present.
When portable digital electronic equipments such as mobile phone, MP3, digital camera or portable electronic device need charge, can be plugged into the USB interface of these portable digital electronic equipments on the USB interface of this power circuit, utilizing provides after the DC power supply conversion of external high voltage+and the 5V dc power supply charges.
As shown in Figure 2, the utility model also provides a kind of golf cart, golf cart is provided with aforesaid power circuit, this power circuit is the power-switching circuit that a kind of high voltage direct current is changeed low-voltage direct, utilize the level conversion function of DC/DC pressurizer that the high-voltage DC power supply of the externally fed of power circuit access is converted to the required charge power supply of portable digital electronic equipment, for various portable digital electronic equipments charge.
As a kind of concrete circuit teaming method wherein, power output end can be set at+the 5V direct voltage, and power output end is the power end of USB interface, USB interface is placed on the handlebar position of golf cart, because the extensive use of USB interface, this golf cart can be the various portable digital electronic equipment chargings that comprise mobile phone, MP3, digital camera or portable electronic device easily.
Golf cart of the present utility model can charge for the portable digital electronic equipment for the user easily out of doors at any time, and adopt USB interface to connect portable digital electronic equipment highly versatile, at the very big outdoor golf course of area, use golf cart of the present utility model and can reliablely and stablely charge the portable digital electronic equipment.
Should be noted that; the above only is a kind of preferred implementation of the present utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. power circuit, it is characterized in that: comprise a DC/DC pressurizer, the input pin of described DC/DC pressurizer connects power access end, the output pin of DC/DC pressurizer connects power output end, and pass through the charging end that described power output end connects the portable digital electronic equipment interfaces, described portable digital electronic equipment is charged.
2. power circuit according to claim 1 is characterized in that: the direct voltage amplitude of the output pin output of described DC/DC pressurizer is+5V.
3. power circuit according to claim 2 is characterized in that: described power output end is the power end of USB interface, connects the charging end of portable digital electronic equipment interfaces by the power end of described USB interface.
4. power circuit according to claim 1 is characterized in that: described DC/DC pressurizer adopts the pwm pulse width modulated.
5. power circuit according to claim 1 is characterized in that: described portable digital electronic equipment is mobile phone, MP3, digital camera or portable electronic device.
6. golf cart, it is characterized in that: comprise a kind of power circuit, the input pin of the DC/DC pressurizer in the described power circuit connects power access end, the output pin of DC/DC pressurizer connects power output end, and pass through the charging end that described power output end connects the portable digital electronic equipment interfaces, described portable digital electronic equipment is charged.
7. golf cart according to claim 6 is characterized in that: the direct voltage amplitude of the output pin output of described DC/DC pressurizer is+5V.
8. golf cart according to claim 6 is characterized in that: described power output end is the power end of USB interface, connects the charging end of portable digital electronic equipment interfaces by the power end of described USB interface.
9. golf cart according to claim 6 is characterized in that: described DC/DC pressurizer adopts the pwm pulse width modulated.
10. golf cart according to claim 6 is characterized in that: described portable digital electronic equipment is mobile phone, MP3, digital camera or portable electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120038762 CN201975817U (en) | 2011-02-15 | 2011-02-15 | Power supply circuit and golf cart with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120038762 CN201975817U (en) | 2011-02-15 | 2011-02-15 | Power supply circuit and golf cart with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975817U true CN201975817U (en) | 2011-09-14 |
Family
ID=44580915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120038762 Expired - Fee Related CN201975817U (en) | 2011-02-15 | 2011-02-15 | Power supply circuit and golf cart with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638160A (en) * | 2011-02-15 | 2012-08-15 | 常州泰德高尔夫用品有限公司 | Power supply circuit and golf cart with same |
-
2011
- 2011-02-15 CN CN 201120038762 patent/CN201975817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638160A (en) * | 2011-02-15 | 2012-08-15 | 常州泰德高尔夫用品有限公司 | Power supply circuit and golf cart with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20150215 |
|
| EXPY | Termination of patent right or utility model |