CN212061109U

CN212061109U - Power control circuit system based on raspberry group

Info

Publication number: CN212061109U
Application number: CN202020514346.4U
Authority: CN
Inventors: 李小彬
Original assignee: Sun Scale Sz Manufacturing Ltd
Current assignee: Santa Technology Shenzhen Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-01
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a raspberry group circuit technical field specifically is a power control circuit system based on raspberry group, including raspberry group bottom plate, and with raspberry group bottom plate electric connection's power bottom plate, power bottom plate includes power supply circuit, switch circuit, CPU control circuit and CPIO extended circuit. The power supply control circuit system based on the raspberry group is characterized in that a power supply bottom plate is electrically connected to the raspberry group bottom plate, the control of a raspberry group circuit is realized through circuits on the power supply bottom plate, a power supply on-off circuit part controls the on-off of a raspberry group power supply by using an MOS (metal oxide semiconductor) with low internal resistance, so that a power supply path with almost zero voltage drop and zero loss is realized, and meanwhile, the on-off response is faster than that of a traditional physical key; the CPU control circuit is used as an independent unit, can realize the power-on and power-off management of the raspberry pie, supports infrared receiving, can control the power-on and power-off operation of the raspberry pie through an infrared remote controller, and accords with the personalized operation pursued by people.

Description

Power control circuit system based on raspberry group

Technical Field

The utility model relates to a raspberry group circuit technical field specifically is a power control circuit system based on raspberry group.

Background

The raspberry group is a microcomputer mainboard based on an ARM, an SD/MicroSD card is used as a memory hard disk, 1/2/4 USB interfaces and a 10/100 Ethernet interface (A type does not have a network port) are arranged around the mainboard of the card, the mainboard can be connected with a keyboard, a mouse and a network cable, and meanwhile, the raspberry group is provided with a television output interface of video analog signals and an HDMI high-definition video output interface. The Raspberry Pi B model provides only a computer board, and has no memory, power supply, keyboard, chassis or wires.

Since the advent, audience members were reluctant to hunt for many empowerments and pioneers, once a "pie". The appearance is delicate, the heart is strong, the video and audio functions are universal, and the peacock is small in size and complete in five zang organs.

Problems are found in the process of using the raspberry pie, for example, most raspberry pie equipment still uses physical keys at the present stage, the startup and shutdown speed is slow, the practicability is not strong, and the individualized pursuit of people at present is not met; when the temperature of the internal elements of the raspberry pi equipment is high, the normal work of the raspberry pi equipment is influenced, so that the raspberry pi equipment needs to be additionally provided with a fan for heat dissipation when being designed, but the fan needs to work all the time, so that the power consumption is high, and noise pollution is undoubtedly caused. In view of the above problem, the utility model designs a power control circuit system based on raspberry group.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a power control circuit system based on raspberry group uses through the cooperation of each components and parts, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a power supply control circuit system based on a raspberry group comprises a raspberry group bottom plate and a power supply bottom plate electrically connected with the raspberry group bottom plate, wherein the power supply bottom plate comprises a power supply circuit, a power supply switching circuit, a CPU (Central processing Unit) control circuit and a CPIO (common indicator output) extension circuit;

the output end of the power supply circuit is electrically connected with the input end of the power supply on-off circuit, and the output end of the power supply on-off circuit is electrically connected with the input end of the CPU control circuit;

the power circuit comprises electrically connected P1, D3, R12, R14, F1, C1, C5, C16, U5 and C7;

the power on-off circuit comprises Q1, R13, R3, R8, Q3 and R1 which are electrically connected;

the CPU control circuit comprises electrically connected U1, R4, C10, C8, C9 and C23;

the CPIO expansion circuit includes a raspberry pi interface and a raspberry pi external interface.

Optionally, the P1 is a USB interface and a Type-C interface, the D3 is SMAJ5.0A, the F1 is 0.5A/6V 0603, and the U5 is ASM 1117-3.3V.

Optionally, Q1 is AON7423, and Q3 is S8050.

Optionally, the U1 is model number STM8S003/N76E 003.

Optionally, the raspberry pi interface is a pin reserved for a raspberry pi base plate, the raspberry pi external interface is a pin reserved for a power supply base plate, and the pins of the raspberry pi interface and the pins of the raspberry pi external interface are in one-to-one electrical connection.

(III) advantageous effects

The utility model provides a power control circuit system based on raspberry group possesses following beneficial effect:

1. this power control circuit system based on raspberry group, electric connection power bottom plate on raspberry group bottom plate, realize sending the circuit to the raspberry through each circuit on the power bottom plate and control, change the power supply into 3.3V's little voltage through USB interface and Type-C interface to each circuit work on the power supply bottom plate, this design has also been compatible with the technique of filling soon on the market simultaneously.

2. This power control circuit system based on raspberry group, power on-off circuit part uses the MOS of low internal resistance to control the break-make of raspberry group power, realizes the power supply route of nearly zero voltage drop, zero loss, and the switch response is also faster than traditional physics button simultaneously, has realized the purpose of novel in design.

3. This power control circuit system based on raspberry group, CPU control circuit can realize the management of the circular telegram of raspberry group as an independent unit, can come the rotational speed of automatically regulated fan according to the temperature that the raspberry group feedbacks simultaneously, can in time effectually accomplish the heat dissipation function of raspberry group to support infrared receipt, can control the on & off operation of raspberry group through infrared remote controller, accord with the individualized operation that people pursue.

4. This power control circuit system based on raspberry group, the pin of raspberry group interface and the pin one-to-one's of raspberry group external interface electric connection make things convenient for external use, the application range of extension.

Drawings

Fig. 1 is a general circuit diagram of the present invention;

fig. 2 is a circuit diagram of the power supply circuit of the present invention;

fig. 3 is a circuit diagram of the power switching circuit of the present invention;

fig. 4 is a circuit diagram of the CPU control circuit of the present invention;

FIG. 5 is a circuit diagram of the raspberry pi-interface of the present invention;

fig. 6 is a circuit diagram of the external interface of the raspberry pi.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a power supply control circuit system based on a raspberry group comprises a raspberry group bottom plate and a power supply bottom plate electrically connected with the raspberry group bottom plate, wherein the power supply bottom plate is electrically connected with the power supply bottom plate, the raspberry group circuit is controlled through circuits on the power supply bottom plate, and the power supply bottom plate comprises a power supply circuit, a power supply switching circuit, a CPU (Central processing Unit) control circuit and a CPIO (common indicator output) extension circuit;

the CPU control circuit comprises electrically connected U1, R4, C10, C8, C9 and C23, and is used as an independent unit, so that the power-on and power-off management of the raspberry pie can be realized, the rotating speed of the fan can be automatically adjusted according to the temperature fed back by the raspberry pie, the heat dissipation function of the raspberry pie can be timely and effectively completed, infrared receiving is supported, the startup and shutdown operation of the raspberry pie can be controlled through an infrared remote controller, and the individualized operation pursued by people is met;

the CPIO expansion circuit comprises a raspberry group interface and a raspberry group external interface, and pins of the raspberry group interface and pins of the raspberry group external interface are in one-to-one correspondence to each other and are electrically connected, so that the external use and the expanded application range are facilitated.

As an optimal technical solution of the utility model: p1 is USB interface and Type-C interface, D3 is SMAJ5.0A, F1 is 0.5A/6V 0603, U5 is ASM1117-3.3V, change the power supply into 3.3V's little voltage through USB interface and Type-C interface to each circuit work on the power supply bottom plate, this design has also been compatible with the quick-charging technique on the market simultaneously.

As an optimal technical solution of the utility model: q1 is AON7423, Q3 is S8050, power switch machine circuit part uses MOS of low internal resistance to control the make-and-break of raspberry group power supply, realizes the power supply path of nearly zero voltage drop, zero loss, and the switching response is also faster than traditional physics button simultaneously, has realized the purpose of novel design.

As an optimal technical solution of the utility model: u1 is model STM8S003/N76E 003.

As an optimal technical solution of the utility model: the raspberry pi interface is a pin reserved for the raspberry pi base plate, the raspberry pi external interface is a pin reserved for the power supply base plate, and the pins of the raspberry pi interface and the pins of the raspberry pi external interface are in one-to-one electrical connection.

In summary, when the power control circuit system based on the raspberry group is used, the power base plate is electrically connected to the raspberry group base plate, the circuit of the raspberry group is controlled through each circuit on the power base plate, power supply is converted into 3.3V small voltage through the USB interface and the Type-C interface, so that each circuit on the power base plate works, and meanwhile, the design is compatible with the rapid charging technology in the market; the power supply on-off circuit part controls the on-off of a raspberry power supply by using an MOS (metal oxide semiconductor) with low internal resistance to realize a power supply path with almost zero voltage drop and zero loss, and meanwhile, the on-off response is faster than that of a traditional physical key, so that the aim of novel design is fulfilled; the CPU control circuit is used as an independent unit, so that the power-on and power-off management of the raspberry pie can be realized, the rotating speed of the fan can be automatically adjusted according to the temperature fed back by the raspberry pie, the heat dissipation function of the raspberry pie can be timely and effectively completed, the infrared receiving is supported, the on-off operation of the raspberry pie can be controlled through an infrared remote controller, and the individualized operation pursued by people is met; the electric connection of the pin of the raspberry group interface and the pin one-to-one correspondence of the external interface of the raspberry group makes the use of external connection convenient, and the application range is expanded.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a power control circuit system based on raspberry group which characterized in that: the power supply bottom plate comprises a power supply circuit, a power supply switching circuit, a CPU control circuit and a CPIO expansion circuit;

2. The raspberry pi based power control circuitry of claim 1, wherein: the P1 is a USB interface and a Type-C interface, the D3 is SMAJ5.0A, the F1 is 0.5A/6V 0603, and the U5 is ASM 1117-3.3V.

3. The raspberry pi based power control circuitry of claim 1, wherein: the Q1 is AON7423, and the Q3 is S8050.

4. The raspberry pi based power control circuitry of claim 1, wherein: the U1 is STM8S003/N76E 003.

5. The raspberry pi based power control circuitry of claim 1, wherein: the raspberry pi interface is a pin reserved for a raspberry pi base plate, the raspberry pi external interface is a pin reserved for a power supply base plate, and the pins of the raspberry pi interface and the pins of the raspberry pi external interface are in one-to-one electrical connection.