CN207924511U

CN207924511U - 7.2V DC voltages to be down to the circuit and intelligent carriage of 6V

Info

Publication number: CN207924511U
Application number: CN201820440597.5U
Authority: CN
Inventors: 张浩然
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-29
Filing date: 2018-03-29
Publication date: 2018-09-28
Anticipated expiration: 2028-03-29

Abstract

This application discloses a kind of 7.2V DC voltages to be down to the circuit of 6V, including LM2941 chips, the ON/OFF pins and GND pin of the LM2941 chips are directly grounded, the IN pins of the LM2941 chips connect 7.2V DC voltages, the ADJ pins of the LM2941 chips are connected to a slide rheostat and to adjust the size of the slide rheostat, one termination OUT pins of slide rheostat, the other end of slide rheostat is connected with certain value resistance is followed by ground, it further include the first capacitance, one end of first capacitance is connected to OUT pins, the other end of first capacitance is grounded, further include second capacitance in parallel with the first capacitance.Disclosed herein as well is a kind of intelligent carriages.The utility model circuit can export voltage stabilizing 6V, and an optimal drive voltage is provided for steering engine, avoid voltage is excessive from burning out steering engine, while can meet steering engine and smoothly complete dozen angle.

Description

7.2V DC voltages to be down to the circuit and intelligent carriage of 6V

Technical field

This application involves a kind of intelligent carriage, more particularly to it is a kind of to 7.2V DC voltages are down to 6V circuit and Intelligent carriage.

Background technology

Intelligent carriage generally includes the motor for driving car wheel to move forward or back, plays angle rotation to band motor car wheel Steering engine, to the obstacle sensor of disturbance of perception information, to the controller that is controlled motor, steering engine and be rudder Machine etc. provides the DC power supply of power supply.

DC power supply in the prior art uses a chip to provide power supply simultaneously for steering engine, motor, controller, still Its output voltage is unstable, and steering engine is be easy to cause when voltage is excessive and is burnt.

Utility model content

The purpose of this utility model is to provide a kind of 7.2V DC voltages to be down to the circuit and intelligent carriage of 6V, To overcome deficiency in the prior art.

To achieve the above object, the utility model provides the following technical solutions：

The embodiment of the present application disclose it is a kind of 7.2V DC voltages to be down to the circuit of 6V, including LM2941 chips, should The ON/OFF pins and GND pin of LM2941 chips are directly grounded, and the IN pins of the LM2941 chips connect 7.2V DC voltages, The ADJ pins of the LM2941 chips are connected to a slide rheostat and to adjust the size of the slide rheostat, and sliding becomes A termination OUT pins of device are hindered, the other end of slide rheostat is connected with certain value resistance is followed by ground, further includes the first capacitance, One end of first capacitance is connected to OUT pins, the other end ground connection of the first capacitance, further includes in parallel with the first capacitance second Capacitance.

Preferably, above-mentioned 7.2V DC voltages to be down in the circuit of 6V, the size of the fixed value resistance is 1kΩ。

Preferably, above-mentioned 7.2V DC voltages to be down in the circuit of 6V, the maximum of the slide rheostat Resistance value is 10k Ω.

Preferably, above-mentioned 7.2V DC voltages to be down in the circuit of 6V, first capacitance size is 0.1 μF。

Preferably, above-mentioned 7.2V DC voltages to be down in the circuit of 6V, second capacitance size is 22 μ F。

Disclosed herein as well is a kind of intelligent carriages, including controller, steering engine, motor, motor drive module, avoidance to sense Device and DC power supply, the motor drive module are connected between controller and motor, and the avoidance sensor is connected to control The input terminal of device, the steering engine are connected to the output end of controller, and device, steering engine, motor, motor drive the DC power supply in order to control Dynamic model block and avoidance sensor provide DC power supply, and the DC power supply size is 7.2V, and the DC power supply passes through power supply electricity Road provides 6V DC voltages for steering engine, and the power circuit includes LM2941 chips, the ON/OFF pins of the LM2941 chips and GND pin is directly grounded, and the IN pins of the LM2941 chips connect 7.2V DC voltages, the ADJ pins of the LM2941 chips It is connected to a slide rheostat and to adjust the size of the slide rheostat, a termination OUT pins of slide rheostat, sliding The rheostatic other end is connected with certain value resistance is followed by ground, further includes the first capacitance, one end of first capacitance is connected to OUT Pin, the other end ground connection of the first capacitance, further includes second capacitance in parallel with the first capacitance.

Preferably, in above-mentioned intelligent carriage, the avoidance sensor is ultrasonic sensor.

Preferably, in above-mentioned intelligent carriage, the size of the fixed value resistance is 1k Ω, and the slide rheostat is most Big resistance value is 10k Ω.

Preferably, in above-mentioned intelligent carriage, first capacitance size is 0.1 μ F.

Preferably, in above-mentioned intelligent carriage, second capacitance size is 22 μ F.

Compared with prior art, the utility model has the advantage of：The utility model circuit can export voltage stabilizing 6V, be carried for steering engine It for an optimal drive voltage, avoids voltage is excessive from burning out steering engine, while steering engine can be met and smoothly complete dozen angle.

Description of the drawings

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments described in application, for those of ordinary skill in the art, without creative efforts, Other drawings may also be obtained based on these drawings.

Fig. 1 show intelligent carriage functional-block diagram in the utility model specific embodiment；

Fig. 2 show in the utility model specific embodiment for 7.2V DC voltages to be down to the circuit diagram of 6V.

Specific implementation mode

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

In conjunction with shown in Fig. 1, the present embodiment provides a kind of intelligent carriages, including controller, steering engine, motor, motor to drive mould Block, avoidance sensor and DC power supply, the motor drive module are connected between controller and motor, the avoidance sensor Be connected to the input terminal of controller, the steering engine is connected to the output end of controller, the DC power supply in order to control device, steering engine, Motor, motor drive module and avoidance sensor provide DC power supply.

Controller may include microprocessor (MCU), which may include central processing unit (Central Processing Unit, CPU), read-only memory module (read-only memory, ROM), random storage module (random Access memory, RAM), timing module, digital-to-analogue conversion module (A/D converter) and plural input/output Port.Certainly, the integrated circuit that controller can also take other form, such as：Application-specific IC (Application Specific Integrated Circuit, ASIC) or field programmable gate arrays (Field Programmable Gate Array, FPGA) etc..

DC power supply size is 7.2V, and the DC power supply provides 6V DC voltages by power circuit for steering engine.

In conjunction with shown in Fig. 2, power circuit includes LM2941 chips 101, and the ON/OFF pins of the LM2941 chips 101 (draw Foot 2) and GND pin (pin 3) be directly grounded, the IN pins (pin 4) of the LM2941 chips 101 connect 7.2V DC voltages, The ADJ pins (pin 1) of the LM2941 chips 101 are connected to a slide rheostat 102 and to adjust the slide rheostat 102 size, a termination OUT pins (pin 5) of slide rheostat 102, the other end and the certain value electricity of slide rheostat 102 It is grounded after 103 series connection of resistance, further includes the first capacitance 104, one end of first capacitance 104 is connected to OUT pins, the first capacitance 104 other end ground connection, further includes second capacitance 105 in parallel with the first capacitance 104.

In the technical solution, motor is connected to the wheel of trolley to drive wheel to move forward or back, steering engine acting wheel To drive vehicle wheel rotation, angle turning is played with realize trolley, avoidance sensor is perceiving front roadblock distance and by information Pass to controller.

In the technical solution, the utility model circuit can export voltage stabilizing 6V, provide an optimal drive voltage for steering engine, avoid Voltage is excessive to burn out steering engine, while can meet steering engine and smoothly complete dozen angle.

In a preferred embodiment, the avoidance sensor is ultrasonic sensor.

In a preferred embodiment, the size of the fixed value resistance 103 is 1k Ω, the maximum of the slide rheostat 102 Resistance value is 10k Ω.

In a preferred embodiment, 104 size of the first capacitance is 0.1 μ F.

In a preferred embodiment, 105 size of the second capacitance is 22 μ F.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims

1. a kind of 7.2V DC voltages to be down to the circuit of 6V, which is characterized in that including LM2941 chips, the LM2941 cores The ON/OFF pins and GND pin of piece are directly grounded, and the IN pins of the LM2941 chips connect 7.2V DC voltages, described The ADJ pins of LM2941 chips are connected to a slide rheostat and to adjust the size of the slide rheostat, slide rheostat A termination OUT pins, the other end of slide rheostat is connected with certain value resistance to be followed by, and further includes the first capacitance, this One end of one capacitance is connected to OUT pins, the other end ground connection of the first capacitance, further includes in parallel with the first capacitance second electric Hold.

2. according to claim 1 7.2V DC voltages to be down to the circuit of 6V, which is characterized in that the definite value electricity The size of resistance is 1k Ω.

3. according to claim 2 7.2V DC voltages to be down to the circuit of 6V, which is characterized in that the sliding becomes The maximum value for hindering device is 10k Ω.

4. according to claim 1 7.2V DC voltages to be down to the circuit of 6V, which is characterized in that first electricity Appearance size is 0.1 μ F.

5. according to claim 1 7.2V DC voltages to be down to the circuit of 6V, which is characterized in that second electricity Appearance size is 22 μ F.

6. a kind of intelligent carriage, which is characterized in that including controller, steering engine, motor, motor drive module, avoidance sensor and DC power supply, the motor drive module are connected between controller and motor, and the avoidance sensor is connected to controller Input terminal, the steering engine are connected to the output end of controller, and device, steering engine, motor, motor drive mould to the DC power supply in order to control Block and avoidance sensor provide DC power supply, and the DC power supply size is 7.2V, and the DC power supply is by power circuit Steering engine provides 6V DC voltages, and the power circuit includes LM2941 chips, and the ON/OFF pins and GND of the LM2941 chips draw Foot is directly grounded, and the IN pins of the LM2941 chips connect 7.2V DC voltages, and the ADJ pins of the LM2941 chips are connected to One slide rheostat and to adjust the size of the slide rheostat, a termination OUT pins of slide rheostat, slide rheostat The other end connect with certain value resistance be followed by ground, further include the first capacitance, one end of first capacitance is connected to OUT pins, The other end of first capacitance is grounded, and further includes second capacitance in parallel with the first capacitance.

7. intelligent carriage according to claim 6, which is characterized in that the avoidance sensor is ultrasonic sensor.

8. intelligent carriage according to claim 6, which is characterized in that the size of the fixed value resistance is 1k Ω, the cunning It is 10k Ω to move rheostatic maximum value.

9. intelligent carriage according to claim 6, which is characterized in that first capacitance size is 0.1 μ F.

10. intelligent carriage according to claim 6, which is characterized in that second capacitance size is 22 μ F.