CN112706545A

CN112706545A - Multifunctional compasses

Info

Publication number: CN112706545A
Application number: CN202110153155.9A
Authority: CN
Inventors: 姜博麟; 邵和义
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-04-27

Abstract

The invention provides a multifunctional compass, which comprises a compass frame, a first support leg and a second support leg, wherein the first support leg and the second support leg are hinged with the compass frame; the first support leg and the second support leg drive the knob-type potentiometer to rotate when rotating, the angle is converted into a voltage signal to be transmitted to the control system, and the control system converts the voltage signal into an angle value and displays the angle value on the display module; the control system, the knob type potentiometer, the display module and the power supply module are electrically connected.

Description

Multifunctional compasses

Technical Field

The invention relates to the technical field of compasses, in particular to a multifunctional compass.

Background

Compasses are frequently used in mathematical operation, and if circles are drawn by hands, the circles are difficult to draw accurately, so the circles are drawn by the compasses, but in the use process of the compasses, the radius of the circle drawn by the compasses is not known, and people need to go; and when the compasses draw circles, the compasses are often required to be drawn twice, the cooling with uneven lineation thickness is very easy to occur at the middle joint, and the condition of deviation of the compasses is easy to occur in the middle, so that the circle drawing fails.

Disclosure of Invention

The invention provides a multifunctional compass aiming at the defects of the prior art.

The invention solves the technical problems through the following technical means:

the multifunctional compasses comprise a compass frame, a first support leg and a second support leg, wherein the first support leg and the second support leg are hinged with the compass frame, and the first support leg and the second support leg are hinged with each other; the first support leg and the second support leg drive the knob-type potentiometer to rotate when rotating, the angle is converted into a voltage signal to be transmitted to the control system, and the control system converts the voltage signal into an angle value and displays the angle value on the display module; the control system, the knob type potentiometer, the display module and the power supply module are electrically connected.

As an improvement of the technical scheme, the power supply device further comprises a speed reducing motor and a first switch button for controlling the speed reducing motor to start and stop, the speed reducing motor is connected with the first support leg and drives the first support leg to rotate, and the speed reducing motor is electrically connected with the power supply module.

As an improvement of the technical scheme, the control module adopts an Arduino micro plate.

As an improvement of the technical scheme, the display module adopts a 0.96-inch liquid crystal display screen.

As an improvement of the above technical solution, the power supply module employs a lithium battery.

As an improvement of the technical scheme, the speed reduction motor drives the first support leg to rotate around the second support leg at the rotating speed of two seconds per rotation.

As the improvement of the technical scheme, one end, far away from the compass frame, of the second support leg is provided with a pin telescopic mechanism, the pin telescopic mechanism comprises a needle cylinder and pins, and a telescopic rod for driving the pins to extend out of the needle cylinder or retract into the needle cylinder is arranged in the needle cylinder.

As an improvement of the technical scheme, the telescopic rod is an electric telescopic rod.

As an improvement of the technical scheme, the telescopic rod is electrically connected with the power supply module and is controlled to be started and stopped by the second switch button.

The invention has the beneficial effects that: the angle is converted into a voltage signal by arranging the knob type potentiometer and the voltage signal is transmitted to the control system, the control system converts the voltage signal into an angle value and displays the angle value on the display module, and the included angle between the first support leg and the second support leg is obtained because the lengths of the first support leg and the second support leg are known, so that the distance between the two support legs of the compass can be calculated by the control module and displayed on the display module; the angle value that shows the compasses both feet open need not reuse the protractor to measure the open angle of compasses both feet, and it is convenient to use, shows the distance between the compasses both feet, does not need the reuse ruler to carry out the auxiliary measurement just can know the radius of the circle of drawing, improves the availability factor.

Drawings

FIG. 1 is a schematic structural view of the multi-function compass according to the embodiment of the present invention;

the compass frame 10, the first leg 20, the second leg 30, the needle cylinder 41 and the stitch 42.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1, the multifunctional compass of the present embodiment includes a compass frame 10, a first leg 20 and a second leg 30, wherein the first leg 20 and the second leg 30 are hinged to the compass frame 10, and the first leg 20 and the second leg 30 are hinged to each other; the angle display device further comprises a control system, a knob type potentiometer, a display module and a power supply module, wherein the knob type potentiometer is driven to rotate when the first support leg 20 and the second support leg 30 rotate, an angle is converted into a voltage signal to be transmitted to the control system, and the control system converts the voltage signal into an angle value and displays the angle value on the display module; the control system, the knob type potentiometer, the display module and the power supply module are electrically connected.

The angle is converted into a voltage signal by arranging the knob type potentiometer and the voltage signal is transmitted to the control system, the control system converts the voltage signal into an angle value and displays the angle value on the display module, and because the lengths of the first supporting leg 20 and the second supporting leg 30 are known, the included angle between the first supporting leg 20 and the second supporting leg 30 is also obtained, the distance between the two supporting legs of the compass can be calculated by the control module and displayed on the display module; the angle value that shows the compasses both feet open need not reuse the protractor to measure the open angle of compasses both feet, and it is convenient to use, shows the distance between the compasses both feet, does not need the reuse ruler to carry out the auxiliary measurement just can know the radius of the circle of drawing, improves the availability factor.

The multifunctional compass further comprises a speed reducing motor and a first switch button for controlling the speed reducing motor to start and stop, the speed reducing motor is connected with the first support leg 20 and drives the first support leg 20 to rotate, and the speed reducing motor is electrically connected with the power supply module; adopt gear motor to assist the circle of drawing to the user, labour saving and time saving especially is more suitable for the lower grade student.

The control module adopts an Arduino micro plate; the display module adopts a 0.96-inch liquid crystal display screen.

The miniature Arduino plate is adopted, the control system receives a voltage signal of the potentiometer, numerical values are displayed on a 0.96-inch liquid crystal display screen through calculation, and the angle value and the distance between two feet of the compasses are displayed.

The power supply module adopts a lithium battery.

The gear motor drives the first leg 20 to rotate about the second leg 30 at a speed of two seconds per revolution.

One end of the second support leg 30, which is far away from the compass frame 10, is provided with a stitch telescoping mechanism, the stitch telescoping mechanism comprises a needle cylinder 41 and stitches 42, and a telescopic rod for driving the stitches 42 to extend out of the needle cylinder 41 or retract into the needle cylinder 41 is arranged in the needle cylinder 41; the telescopic rod is an electric telescopic rod; the telescopic rod is electrically connected with the power supply module and controls the telescopic rod to start and stop through a second switch button; when in use, the pin is extended out and retracted when not in use, thereby avoiding hurting hands and being convenient to carry.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The multifunctional compasses comprise a compass frame (10), a first supporting leg (20) and a second supporting leg (30), wherein the first supporting leg (20) and the second supporting leg (30) are hinged with the compass frame (10), and the first supporting leg (20) and the second supporting leg (30) are hinged; the method is characterized in that: the angle display device is characterized by further comprising a control system, a knob type potentiometer, a display module and a power supply module, wherein the knob type potentiometer is driven to rotate when the first supporting leg (20) and the second supporting leg (30) rotate, an angle is converted into a voltage signal to be transmitted to the control system, and the voltage signal is converted into an angle value by the control system and is displayed on the display module; the control system, the knob type potentiometer, the display module and the power supply module are electrically connected.

2. The multi-functional compass of claim 1, wherein: the power supply device is characterized by further comprising a speed reducing motor and a first switch button for controlling the speed reducing motor to start and stop, wherein the speed reducing motor is connected with the first support leg (20) and drives the first support leg (20) to rotate, and the speed reducing motor is electrically connected with the power supply module.

3. The multi-functional compass of claim 1, wherein: the control module adopts an Arduino micro plate.

4. The multi-functional compass of claim 1, wherein: the display module adopts a 0.96-inch liquid crystal display screen.

5. The multi-functional compass of claim 1, wherein: the power supply module adopts a lithium battery.

6. The multi-functional compass of claim 2, wherein: the speed reducing motor drives the first support leg (20) to rotate around the second support leg (30) at a rotating speed of two seconds per rotation.

7. The multi-functional compass of claim 1, wherein: one end, far away from the compass frame (10), of the second support leg (30) is provided with a stitch telescopic mechanism, the stitch telescopic mechanism comprises a needle cylinder (41) and stitches (42), and a telescopic rod for driving the stitches (42) to stretch out of the needle cylinder (41) or retract into the needle cylinder (41) is arranged in the needle cylinder (41).

8. The multi-functional compass of claim 7, wherein: the telescopic rod is an electric telescopic rod.

9. The multi-functional compass of claim 8, wherein: the telescopic link and the power supply module are electrically connected, and the telescopic link is controlled to be started and stopped through a second switch button.