CN214892856U - Catapult reference circuit and catapult of catapult - Google Patents

Abstract

The utility model provides a catapult reference circuit and catapult of catapult, wherein, the catapult reference circuit of catapult is through adopting the LED banks, distance detection circuit and control circuit, realized the detection to the distance of catapult and target, and according to the distance of catapult and target, light an LED lamp, in order to provide the reference point of catapulting corresponding with the distance, make the user when using the catapult, can regard this reference point of catapulting as the fifty percent discount point position of rubber band, thereby make the catapulting distance and the target distance phase-match of catapult, make the catapult can accurately catapult to the target, the catapulting rate of accuracy has been improved, the problem that traditional catapult has the catapulting rate of accuracy low is solved.

Description

Catapult reference circuit and catapult of catapult

Technical Field

The application belongs to the technical field of slingshots, and particularly relates to a catapult reference circuit of a slingshot and the slingshot.

Background

At present, to traditional catapult, the user generally launches through range estimation or gun sight, but when launching, the inflection point of the rubber band of catapult often only can come approximate judgement through feeling or experience, and the difference of the inflection point of the rubber band of catapult can lead to the catapult distance of catapult different, consequently cause the fifty percent discount point position of rubber band to mismatch with the distance of target easily, thereby lead to the catapult distance of catapult and the distance of target to mismatch, and then cause the catapult can't accurately launch to the target. Therefore, the conventional slingshot has the problem of low ejection accuracy.

SUMMERY OF THE UTILITY MODEL

The application aims to provide an ejection reference circuit of a slingshot and the slingshot, and aims to solve the problem that the traditional slingshot is low in ejection accuracy.

A first aspect of an embodiment of the present application provides a catapult reference circuit of a slingshot, which is disposed on the slingshot, and includes:

a distance detection circuit for detecting a distance between the slingshot and a target and outputting a distance signal;

the control circuit is connected with the distance detection circuit and used for outputting a driving signal according to the distance signal; and

and the LED lamp group comprises a plurality of LED lamps, each LED lamp is respectively connected with the control circuit, and the LED lamp group is used for lighting one LED lamp under the control of the driving signal so as to provide an ejection reference point corresponding to the distance.

In one embodiment, the distance detection circuit includes: the laser transceiver is connected with the control circuit and used for transmitting laser signals to the target, receiving reflected laser signals reflected by the target and outputting the distance signals according to the reflected laser signals.

In one embodiment, the distance detection circuit further includes a switch circuit, the switch circuit is connected in series to a power supply and a power supply terminal of the laser transceiver, a control terminal of the switch circuit is connected to the control circuit, and the switch circuit is turned on under the control of the control circuit to enable the laser transceiver to work electrically, or turned off to enable the laser transceiver to be turned off when power is lost.

In one embodiment, the switching circuit includes: the laser transceiver comprises a first switch tube, a second switch tube, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein a first conducting end of the first switch tube and a first end of the first resistor are connected to the power supply, a second conducting end of the first switch tube is connected with the power supply end of the laser transceiver, a second end of the first resistor is connected with a first end of the second resistor and a first conducting end of the second switch tube, a second end of the second resistor is connected with a control end of the first switch tube, a second conducting end of the second switch tube and a second end of the third resistor are connected to the ground in a shared mode, a first end of the third resistor is connected with a control end of the second switch tube and a second end of the fourth resistor, and a first end of the fourth resistor is connected with the control circuit.

In one embodiment, the switch circuit further includes a first LED lamp and a sixth resistor, a first end of the sixth resistor is connected to the second conducting end of the first switch tube, a second end of the sixth resistor is connected to the first end of the first LED lamp, and a second end of the first LED lamp is grounded.

In one embodiment, each of the LED lamps of the LED lamp set is spaced apart along the left and right brackets of the slingshot.

In one embodiment, the catapult reference circuit of the slingshot further comprises a voltage conversion circuit, the voltage conversion circuit is connected with a power supply, the distance detection circuit and the control circuit, and the voltage conversion circuit is used for converting the voltage of the power supply into a target voltage and outputting the target voltage to the distance detection circuit and the control circuit.

In one embodiment, the voltage conversion circuit includes at least one of a voltage conversion chip and a voltage stabilization chip.

In one embodiment, the catapult reference circuit of the slingshot further comprises:

a battery connected as the power source to the voltage conversion circuit; and

and the charging circuit is connected with the battery and is used for converting the voltage of an external power supply into the voltage of the battery and then charging the battery.

A second aspect of an embodiment of the present application provides a slingshot, including:

a slingshot body; and

a catapult reference circuit for a slingshot according to the first aspect of an embodiment of the present application.

The catapult reference circuit of the catapult realizes the detection of the distance between the catapult and the target by adopting the LED lamp bank, the distance detection circuit and the control circuit, and lights an LED lamp according to the distance between the catapult and the target to provide a catapult reference point corresponding to the distance, so that a user can use the catapult reference point as the folding point position of a rubber band when using the catapult, thereby matching the catapult distance of the catapult with the target distance, accurately catapulting the catapult to the target, improving the catapult accuracy rate and solving the problem that the catapult accuracy rate is low in the prior art.

Drawings

Fig. 1 is a schematic circuit diagram of a catapult reference circuit of a slingshot according to an embodiment of the present application;

FIG. 2 is a schematic circuit diagram of a distance detection circuit in the catapult reference circuit of the catapult shown in FIG. 1;

FIG. 3 is an exemplary circuit schematic of a switching circuit in the distance detection circuit shown in FIG. 2;

FIG. 4 is a schematic diagram of the LED lamp set in the distance detection circuit shown in FIG. 1;

FIG. 5 is an exemplary graph of the ejection distance characterized by the ejection reference point of the slingshot;

FIG. 6 is another example circuit schematic of the catapult reference circuit of the slingshot of FIG. 1;

FIG. 7 is another example circuit schematic of the catapult reference circuit of the slingshot of FIG. 6;

fig. 8 is an exemplary circuit schematic of a charging circuit of the catapult reference circuit of the slingshot shown in fig. 7.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 shows a circuit schematic diagram of an ejection reference circuit 10 of a slingshot provided in a first aspect of an embodiment of the present application, and for convenience of explanation, only the parts related to the embodiment are shown, and detailed description is as follows:

the catapult reference circuit 10 of the slingshot in the present embodiment is provided on the slingshot, and the catapult reference circuit 10 of the slingshot includes: LED banks 300, distance detection circuit 100 and control circuit 200, LED banks 300 includes a plurality of LED lamps, and each LED lamp is connected with control circuit 200 respectively, and distance detection circuit 100 is connected with control circuit 200. The LED lamp set 300 is used to light one LED lamp under the control of a driving signal to provide an ejection reference point corresponding to a distance. The distance detection circuit 100 is configured to detect a distance between the slingshot and the target and output a distance signal. The control circuit 200 is configured to output a driving signal to the LED lamp set 300 according to the distance signal to control the lighting of the LED lamp set 300.

It is understood that the LED lamp set 300 may be composed of a plurality of LED lamps. The distance detection circuit 100 may be configured by a device or chip provided with distance detection, such as a laser transceiver 110, an ultrasonic detector, or an infrared detector. The control circuit 200 may be formed by a microprocessor such as a single chip microcomputer.

The catapult reference circuit 10 of the slingshot in the embodiment realizes detection of the distance between the slingshot and the target by adopting the LED lamp set 300, the distance detection circuit 100 and the control circuit 200, and lights an LED lamp according to the distance between the slingshot and the target to provide a catapult reference point corresponding to the distance, so that a user can use the catapult reference point as the folding point position of a rubber band when using the slingshot, thereby matching the catapult distance of the slingshot with the target distance, enabling the slingshot to be accurately catapulted to the target, improving the catapult accuracy rate, and solving the problem that the catapult accuracy rate is low in the prior art.

Referring to fig. 2, in one embodiment, the distance detection circuit 100 includes: the laser transceiver 110 is connected to the control circuit 200, and the laser transceiver 110 is configured to transmit a laser signal to a target, receive a reflected laser signal reflected by the target, and output a distance signal according to the reflected laser signal.

It is understood that the laser transceiver 110 in this embodiment is a laser transceiver module with a model number MAX24003, and in other embodiments, other types of laser transceivers 110 may be used, or other types of distance detection chips may be used, such as ultrasonic detection or infrared detection. The distance detection circuit 100 in this embodiment uses the laser transceiver 110 to detect the distance to the target, thereby improving the accuracy of detecting the distance to the target.

Referring to fig. 2, in an embodiment, the distance detection circuit 100 further includes a switch circuit 120, the switch circuit 120 is connected in series to the power supply 400 and the power supply 400 of the laser transceiver 110, a control terminal of the switch circuit 120 is connected to the control circuit 200, and the switch circuit 120 is configured to be turned on under the control of the control circuit 200 to enable the laser transceiver 110 to operate electrically, or turned off to enable the laser transceiver 110 to be turned off when power is lost.

It is understood that the switching circuit 120 may be formed of an electronic switch that is controllable in on and off, such as a switch tube, a relay, or the like. The power supply 400 may be an external power supply 400 or an internal battery 610.

In the distance detection circuit 100 in this embodiment, the switch circuit 120 is added to control the on and off of the laser transceiver 110, so that the working state of the distance detection circuit 100 is controllable, and unnecessary power consumption generated by the distance detection circuit 100 when the distance detection circuit 100 is not required to work is avoided.

Referring to fig. 3, in one embodiment, the switch circuit 120 includes: the first switch tube Q1, the second switch tube Q2, the first resistor R1, the second resistor R2, the third resistor R3 and the fourth resistor R4, a first conducting end of the first switch tube Q1 and a first end of the first resistor R1 are connected to the power supply 400, a second conducting end of the first switch tube Q1 is connected to the power supply 400 of the laser transceiver 110, a second end of the first resistor R1 and a first end of the second resistor R2 and a first conducting end of the second switch tube Q2 are connected, a second end of the second resistor R2 and a control end of the first switch tube Q1 are connected, a second conducting end of the second switch tube Q2 and a second end of the third resistor R3 are connected to the ground, a first end of the third resistor R3 and a control end of the second switch tube Q2 and a second end of the fourth resistor R4 are connected, and a first end of the fourth resistor R4 and the control circuit R200 are connected to the control circuit.

It is understood that the first switch tube Q1 in this embodiment is a PMOS transistor, and the second switch tube Q2 is an NPN transistor, and in other embodiments, the first switch tube Q1 and the second switch tube Q2 may also be formed by other types of switch tubes, such as an NMOS tube, a PNP transistor, or an IGBT.

It can be understood that the control circuit 200 outputs a level signal to the switch circuit 120 to control the on/off of the switch circuit 120, for example, in this embodiment, when the level signal is at a high level, the second switch Q2 is turned on to ground, the control terminal of the first switch Q1 is at a low level, the first switch Q1 is turned on, the power supply 400 supplies power to the laser transceiver 110 through the first switch Q1, and the laser transceiver 110 is powered on.

It can be understood that, in the switch circuit 120 of the present embodiment, the first switch tube Q1, the second switch tube Q2, the first resistor R1, the second resistor R2, the third resistor R3, and the fourth resistor R4 are used to implement on/off under the control of the control circuit 200 to control the power receiving of the laser transceiver 110, so that the laser transceiver 110 can be powered on or powered off, and the circuit structure is simple.

Referring to fig. 3, in an embodiment, the switch circuit 120 further includes a first LED lamp D1 and a fifth resistor R5, a first end of the fifth resistor R5 is connected to the second conducting end of the first switch Q1, a second end of the fifth resistor R5 is connected to the first end of the first LED lamp D1, and a second end of the first LED lamp D1 is grounded.

It can be understood that when the switch circuit 120 is turned on, i.e. when the first switch Q1 is turned on, the first LED lamp D1 is turned on, thereby indicating that the switch circuit 120 is turned on and the laser transceiver 110 is in the working state; when the switch circuit 120 is turned off, i.e. when the first switch tube Q1 is turned off, the first LED lamp D1 turns off, thereby indicating that the switch circuit 120 is turned off and the laser transceiver 110 is in an off state. In the switch circuit 120 of this embodiment, the first LED lamp D1 and the fifth resistor R5 are added, so that the on/off of the switch circuit 120 is indicated, and a user can visually determine the operating state of the laser transceiver 110.

Referring to fig. 4, in one embodiment, the LED light group 300 includes LED lights (LEDs 1, LEDs 2.. and LEDn) spaced along the left and right brackets of the slingshot.

It is understood that two adjacent LED lamps may be LED lamps having different colors.

It will be appreciated that the LED lights are spaced the same distance apart along the left and right brackets of the slingshot. The rubber band of the slingshot is at different folding points, the catapult distance can be different, and the LED lamps of the LED lamp set 300 are positioned at different positions of the left and right supports of different slingshots, so that different rubber band folding points, namely catapult reference points, are provided. For example, referring to fig. 5, when the slingshot is ejected, the distance that the slingshot can be ejected is shorter when the left bracket of the slingshot is above and the right bracket of the slingshot is below the ejection reference point represented by the LED lamp on the outer edge of the left bracket, and the distance that the slingshot can be ejected is longer when the slingshot is closer to the ejection reference point represented by the LED lamp on the outer edge of the right bracket. For example, when the distance between the slingshot and the target is detected to be 5m at the moment, the first LED lamp above is lightened to provide an ejection reference point corresponding to 5 m; when it is detected that the distance between the slingshot and the target is 75m, the last LED lamp below is lightened to provide an ejection reference point corresponding to 75 m.

Referring to fig. 6, in an embodiment, the catapult reference circuit 10 of the catapult further includes a voltage conversion circuit 500, the voltage conversion circuit 500 is connected to the power supply 400, the distance detection circuit 100 and the control circuit 200, and the voltage conversion circuit 500 is configured to convert the voltage of the power supply 400 into a target voltage and output the target voltage to the distance detection circuit 100 and the control circuit 200.

It is understood that the voltage conversion circuit 500 may be formed of the DC-DC voltage conversion chip U1 and its peripheral circuits, or a voltage stabilization chip and its peripheral circuits.

In one embodiment, the voltage conversion circuit 500 includes at least one of a voltage conversion chip and a voltage stabilization chip.

Referring to fig. 7, in an embodiment, the catapult reference circuit 10 of the slingshot further includes: the battery 610 and the charging circuit 620, the charging circuit 620 is connected with the battery 610, the battery 610 is connected with the voltage conversion circuit 500 as the power supply 400, and the charging circuit 620 is used for converting the voltage of the external power supply 400 into the voltage of the battery 610 and then charging the battery 610.

Referring to fig. 8, the charging circuit 620 may be composed of a charging management chip and its peripheral devices.

A second aspect of embodiments of the present application provides a slingshot, comprising: a slingshot body; and a catapult reference circuit 10 of a slingshot as in the first aspect of the embodiments of the present application.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims (10)

1. An ejection reference circuit of a slingshot, which is arranged on the slingshot, is characterized by comprising:

a distance detection circuit for detecting a distance between the slingshot and a target and outputting a distance signal;

the control circuit is connected with the distance detection circuit and used for outputting a driving signal according to the distance signal; and

and the LED lamp group comprises a plurality of LED lamps, each LED lamp is respectively connected with the control circuit, and the LED lamp group is used for lighting one LED lamp under the control of the driving signal so as to provide an ejection reference point corresponding to the distance.

2. The catapult reference circuit for a slingshot of claim 1, wherein the distance detection circuit comprises: the laser transceiver is connected with the control circuit and used for transmitting laser signals to the target, receiving reflected laser signals reflected by the target and outputting the distance signals according to the reflected laser signals.

3. The catapult reference circuit of the slingshot of claim 2, wherein the distance detection circuit further comprises a switch circuit, the switch circuit is connected in series with a power supply and a power supply end of the laser transceiver, a control end of the switch circuit is connected with the control circuit, and the switch circuit is used for being switched on under the control of the control circuit to enable the laser transceiver to work electrically or being switched off to enable the laser transceiver to be switched off electrically.

4. The catapult reference circuit for a slingshot of claim 3, wherein said switching circuit comprises: the laser transceiver comprises a first switch tube, a second switch tube, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein a first conducting end of the first switch tube and a first end of the first resistor are connected to the power supply, a second conducting end of the first switch tube is connected with the power supply end of the laser transceiver, a second end of the first resistor is connected with a first end of the second resistor and a first conducting end of the second switch tube, a second end of the second resistor is connected with a control end of the first switch tube, a second conducting end of the second switch tube and a second end of the third resistor are connected to the ground in a shared mode, a first end of the third resistor is connected with a control end of the second switch tube and a second end of the fourth resistor, and a first end of the fourth resistor is connected with the control circuit.

5. The catapult reference circuit of claim 4, wherein the switch circuit further comprises a first LED lamp and a sixth resistor, a first terminal of the sixth resistor is connected to the second conducting terminal of the first switch tube, a second terminal of the sixth resistor is connected to the first terminal of the first LED lamp, and a second terminal of the first LED lamp is grounded.

6. The catapult reference circuit of claim 1, wherein each of the LED lights of the LED light set is spaced apart along the left and right brackets of the catapult.

7. The catapult reference circuit of any one of claims 1 to 6, further comprising a voltage conversion circuit connected to a power supply, the distance detection circuit, and the control circuit, the voltage conversion circuit being configured to convert a voltage of the power supply into a target voltage and output the target voltage to the distance detection circuit and the control circuit.

8. The catapult reference circuit of the slingshot of claim 7, wherein the voltage conversion circuit comprises at least one of a voltage conversion chip and a voltage regulation chip.

9. The catapult reference circuit for a slingshot of claim 7, further comprising:

a battery connected as the power source to the voltage conversion circuit; and

and the charging circuit is connected with the battery and is used for converting the voltage of an external power supply into the voltage of the battery and then charging the battery.

10. A slingshot, comprising:

a slingshot body; and

the catapult reference circuit for a slingshot of any one of claims 1-9.

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