CN214924636U

CN214924636U - Intelligent control electric shears with randomly-arranged knife edge

Info

Publication number: CN214924636U
Application number: CN202121011046.5U
Authority: CN
Inventors: 马先鹏
Original assignee: Dongguan Jiahang Industry Co ltd
Current assignee: Dongguan Jiahang Industry Co ltd
Priority date: 2021-01-23
Filing date: 2021-05-12
Publication date: 2021-11-30
Anticipated expiration: 2031-05-12
Also published as: CN113246180A

Abstract

The utility model relates to the technical field of electric shears, in particular to an intelligent control electric shears with randomly arranged knife edge, which comprises a shear main body, wherein an electric shear head is arranged at the front end of the shear main body, a circuit module for controlling the electric shear head to complete shearing action is arranged inside the shear main body, and a signal generating part is arranged outside the shear main body; the circuit module comprises a pair of electric scissors driving circuits for driving electric scissors heads to complete shearing action, a signal receiving circuit for receiving a command signal generated by a signal generating piece, a shearing state detection circuit for detecting the electric scissors driving circuits, and an arbitrary port shearing control circuit for reading the command signal and controlling the electric scissors driving circuits through the shearing state detection circuit; when branches with the same diameter are frequently cut, the size of the knife edge of the electric shear head can be reduced through the mode, the time consumed by empty shearing is reduced, and the shearing efficiency is improved.

Description

Intelligent control electric shears with randomly-arranged knife edge

Technical Field

The utility model relates to an electric shears technical field specifically is an intelligent control electric shears that edge of a knife size set up wantonly.

Background

With the continuous progress and development of science and technology, many intelligent products are gradually designed according to the requirements of being more adhesive to the masses in structure, function and use mode, so that customers with different requirements can meet the use requirements. The multi-gear electric scissors are characterized in that in actual use, regardless of how large wood is cut, the opening and closing strokes of the blades are fixed, for example, the opening of a blade of a certain scissors is only 37MM with a large opening, when the diameter of a frequently cut branch is about 10MM, the opening and closing stroke of the blade is 37MM each time, but the actual effective cutting part is only 10MM at the closed end, and the first half 27MM with the closed blade consumes not only the battery power but also the cutting time in actual use; therefore, there is a need to design an electric shears with better adhesion to the public.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent control electric scissors with an arbitrarily set knife edge comprises a scissors main body, wherein an electric scissors head is arranged at the front end of the scissors main body, a circuit module for controlling the electric scissors head to complete a shearing action is arranged inside the scissors main body, and a signal generating part is arranged outside the scissors main body; the circuit module comprises an electric scissors driving circuit for driving electric scissors heads to complete shearing action, a signal receiving circuit for receiving an instruction signal generated by a signal generating piece, a shearing state detection circuit for detecting the electric scissors driving circuit, an arbitrary port shearing control circuit for reading the instruction signal and controlling the electric scissors driving circuit through the shearing state detection circuit, and a power supply circuit for providing corresponding electric quantity for intelligently controlling the electric scissors.

Preferably, the electric shear head comprises a shearing structure and a three-phase direct current motor for driving the shearing structure to complete shearing action.

Preferably, any port cutting control circuit adopts a single chip microcomputer U1 with the model of XMC1301 or XMC 1302.

Preferably, the cutting state detection circuit comprises a cutter head position acquisition circuit for detecting the current position of the electric shear head, a cutter head peak value judgment circuit for judging the cutting peak value of the electric shear head, and a cutter head initial position judgment circuit for judging the initial position of the electric shear head.

Preferably, the tool bit position acquiring circuit comprises a resistor R18, a resistor R20, a resistor R25, a resistor R26, a resistor R27, a resistor R46, a capacitor C9 and a capacitor C30, wherein the resistor R46 is connected to a loop of the electric scissors driving circuit, the resistor R18, the resistor R20 and the capacitor C9 form a voltage acquisition circuit, the resistor R25, the resistor R26, the resistor R27 and the capacitor C30 form a current acquisition circuit, and the resistor R46 is connected to two pins of the single chip microcomputer U1 through the voltage acquisition circuit and the current acquisition circuit respectively.

Preferably, the cutter head peak value judging circuit comprises a resistor R7, a resistor R14 and a capacitor C6, and the two resistors R7 and R14 are connected to a pin of the single chip microcomputer U1 after voltage division and filtering of the capacitor C6.

Preferably, the tool bit start position judging circuit comprises a resistor R29, a resistor R30, a resistor R32, a resistor R33, a resistor R39, a resistor R41, a capacitor C40, a capacitor C41 and a capacitor C42, wherein each phase of the three-phase direct current motor is respectively connected with one end of a resistor R29, one end of a resistor R30 and one end of a resistor R32, and the other ends of the resistor R29, the resistor R30 and the resistor R32 are respectively subjected to voltage division through the resistor R41, the resistor R33 and the resistor R39, and then are respectively filtered through the capacitor C41, the capacitor C42 and the capacitor C40 and then connected to a pin of the single chip microcomputer U1.

Preferably, the shear state detection circuit further includes a stable shear detection circuit for controlling stable shearing of the electric shear head, and the stable shear detection circuit includes a resistor R45, a resistor R47, a resistor R48, a resistor R49, a resistor R50, a resistor R51, a resistor R61, a resistor R62, a resistor R64, a capacitor C23, a capacitor C24, a capacitor C37, a comparator U4B, a comparator U4C, and a comparator U4D, where the resistor R45, the resistor R47, the resistor R48, the resistor R49, the resistor R50, the resistor R51, the resistor R61, the resistor R62, the resistor R64, the capacitor C23, the capacitor C24, and the capacitor C37 constitute 3 sampling circuits, which are respectively connected to each of the three-phase dc motor, and are respectively connected to voltage dividing pins of the single chip microcomputer U1 through the comparator U4B, the comparator U464 4C, and the comparator U4D.

Preferably, the scissors main body is further provided with a cutting state presenting means for generating information on the current cutting state.

Preferably, the cutting state prompting means comprises a combination of one or more of a buzzer, a display screen, a vibrator or a voice player.

Preferably, the signal generating means comprises a trigger, a potentiometer knob, a push button or a communication receiver.

Preferably, the signal generating part comprises a trigger, a magnet is arranged on the trigger, and the signal receiving circuit is provided with a Hall sensing module corresponding to the magnet.

Compared with the prior art, the beneficial effects of the utility model are as follows:

a user operates a signal generating part according to requirements, generates a corresponding instruction signal which is received by a signal receiving circuit, and then reads the received instruction signal through an arbitrary cutting control circuit, so that a corresponding instruction signal is generated, an electric scissors head is driven by an electric scissors driving circuit to complete a corresponding cutting action, a cutting state detection circuit is used for detecting the cutting condition of the electric scissors head in work and feeding the cutting condition back to the arbitrary cutting control circuit in time for processing, thereby achieving the effect of intelligently controlling the electric scissors head, and the size of the cutting edge of the scissors can be defined according to the size of branches needing to be cut frequently in use at any time, so that the maximized use of the electric quantity of a battery is realized and the time for cutting the cutting edge is saved; when branches with the same diameter are frequently cut, the size of the knife edge of the electric shear head can be reduced through the mode, the time consumed by empty shearing is reduced, and the shearing efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the connection of the circuit module of the present invention;

fig. 3 is a schematic diagram of a circuit module of the middle shear state detection circuit according to the present invention;

fig. 4 is a schematic circuit structure diagram of the driving circuit of the electric shears of the present invention;

fig. 5 is a schematic circuit diagram of the arbitrary port shearing control circuit of the present invention;

fig. 6 is a schematic circuit diagram of the signal receiving circuit of the present invention;

fig. 7 is a schematic circuit diagram of the tool bit position acquiring circuit according to the present invention;

fig. 8 is a schematic circuit diagram of the shear state indicator of the present invention;

fig. 9 is a schematic diagram of a circuit structure of the power supply circuit of the present invention;

fig. 10 is a schematic circuit diagram of the peak judging circuit of the middle cutter head of the present invention;

fig. 11 is a schematic circuit diagram of the start position determining circuit of the tool bit of the present invention;

fig. 12 is a schematic circuit diagram of the middle stable shearing detection circuit of the present invention.

The reference numerals and names in the figures are as follows:

1-arbitrary mouth cutting control circuit, 2-electric scissors drive circuit, 3-cutting state prompting component, 4-signal receiving circuit, 5-cutting state detection circuit, 6-power supply circuit, 10-scissors main body, 20-electric scissors head, 30-signal generating component, 51-knife head position obtaining circuit, 52-knife head peak value judgment circuit, 53-knife head start position judgment circuit and 54-stable cutting detection circuit.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 12, in an embodiment of the present invention, an intelligent control electric shears with randomly arranged cutting edges includes a shears body 10, an electric shears head 20 is disposed at a front end of the shears body 10, a circuit module for controlling the electric shears head 20 to complete a shearing action is disposed inside the shears body 10, and a signal generating element 30 is disposed outside the shears body 10; the circuit module comprises an electric scissors driving circuit 2 for driving an electric scissors head 20 to complete a shearing action, a signal receiving circuit 4 for receiving a command signal generated by a signal generating part 30, a shearing state detection circuit 5 for detecting the electric scissors driving circuit 2, an arbitrary shearing control circuit 1 for reading the command signal and controlling the electric scissors driving circuit 2 through the shearing state detection circuit 5, a power supply circuit 6 for providing corresponding electric quantity for intelligently controlling the electric scissors, and a shearing state prompt part 3 for generating current shearing state information.

In the above technical solution, in order to achieve the shearing action that the electric scissors head 20 has an adjustable arbitrary opening, the intelligent control electric scissors are structurally characterized in that the scissors main body 10, the electric scissors head 20, the circuit module and the signal generating part 30 are arranged, wherein:

the electric scissor head 20 mainly comprises a scissor structure and an electric driving component, wherein the electric driving component can be a power component such as a cylinder or a motor, and the signal generating component 30 is used for generating a corresponding command signal according to the operation of a user to control the electric scissor head 20 to work;

the signal generating member 30 may be a trigger, a potentiometer knob, a key, some kind of communication data input or other device capable of generating a signal, and may be any one or a combination of the above, which is designed according to the market and design requirements; for example, the signal generating part 30 is a trigger, a magnet is arranged on the trigger, a hall sensing module corresponding to the magnet is arranged on the signal receiving circuit 4, then the hall sensing signal generated according to the sensing distance between the magnet and the hall sensing module when the trigger is pulled is positively correlated with the size of the shearing knife opening of the electric shear head 20, and is subjected to equal-proportion quantization processing, and the shearing action of the electric shear head 20 is correspondingly completed by pulling the stroke of the trigger in a shearing mode;

a shear state prompt component 3 for generating the current shear state information is arranged on the shear body 10; the cutting state prompting component 3 can be one or combination of a buzzer, a display screen, a vibrator or a voice player;

the circuit module adopts an electric scissors driving circuit 2, a signal receiving circuit 4, a shearing state detection circuit 5, a shearing state prompt component 3, an arbitrary port shearing control circuit 1 and a power supply circuit 6, the electric scissors driving circuit 2 is electrically connected with an electric scissors head 20, the signal receiving circuit 4 is electrically connected with a signal generating component 30, the shearing state detection circuit 5 is electrically connected with the electric scissors driving circuit 2, the arbitrary port shearing control circuit 1 is respectively electrically connected with the electric scissors driving circuit 2, the signal receiving circuit 4 and the shearing state detection circuit 5, and the shearing state prompt component 3 is electrically connected with the arbitrary port shearing control circuit 1; in the middle of practical application, the user operates signal generating element 30 according to the demand, generate corresponding command signal and be received by signal receiving circuit 4, then read the command signal who receives through arbitrary mouthful of shear control circuit 1, thereby produce corresponding command signal, drive electric scissors head 20 through electric scissors drive circuit 2 and accomplish corresponding shearing action, shearing state detection circuitry 5 is used for detecting the shearing condition of electric scissors head 20 in the work, in time feed back the shearing condition to arbitrary mouthful of shear control circuit 1 and handle, thereby reach the effect of intelligent control electric scissors head 20, shearing state suggestion part 3 is used for feeding back the operating condition of current electric scissors head 20 to the user, power supply circuit 6 is used for supplying power for intelligent control electric scissors.

As further shown in fig. 2 to 12, the cutting state detection circuit 5 includes a cutting head position acquisition circuit 51 for detecting the current position of the electric scissor head 20, a cutting head peak value determination circuit 52 for determining the cutting peak value of the electric scissor head 20, a cutting head start position determination circuit 53 for determining the initial position of the electric scissor head 20, and a stable cutting detection circuit 54 for controlling the stable cutting of the electric scissor head 20; the arbitrary port cutting control circuit 1 adopts a singlechip U1 with the model of XMC1301 or XMC 1302; in the preferred embodiment, the cutting head position obtaining circuit 51 obtains the position of the electric scissors head 20 in the current state according to an instruction sent by the arbitrary cutting control circuit 1, the cutting head peak value judging circuit 52 is used for judging the stop position of the electric scissors head 20 in the closing motion, the cutting head start position judging circuit 53 is used for judging the stop position of the electric scissors head 20 in the opening motion, the stable cutting detection circuit 54 is used for monitoring the cutting motion of the electric scissors head 20 in the operation process, and finely adjusting the cutting motion, so as to ensure that the cutting motion of the electric scissors head 20 can be in uniform and stable operation in the operation process; the single chip microcomputer U1 adopts XMC1301-032 of German England flying technology company, and the used resources comprise the input and output functions of the IO port of the chip, the ADC function and the PWM function of TIM.

In the above technical solution, the intelligent control electric scissors are mainly explained in a structural coordination principle, and in order to further describe the principle that the intelligent control electric scissors can realize any shearing on the structure, the intelligent control electric scissors will be further described below in a specific structural part and a circuit part; the electric scissors head 20 adopts a three-phase direct current motor as power drive, the signal generating part 30 adopts a trigger with a magnet to drive, a circuit module is arranged, a signal receiving circuit 4 is adopted to correspond to the magnet on the trigger, the three-phase direct current motor is driven by induction through a Hall effect, so that the electric scissors head 20 can carry out corresponding shearing stroke according to the pulling stroke of the trigger, wherein, by adopting a shearing state detection circuit 5, a sampling resistor R46 with 5mr is connected in series on the loop of the electric scissors driving circuit 2 to obtain the current value on the loop of the electric scissors driving circuit 2, thereby obtaining the shearing load condition of the electric scissors head 20, the shearing load condition is positively correlated with the induction signal collected by the signal receiving circuit 4, the knife edge of the electric scissors head 20 can realize the stop at any position, and the timing function is loaded in a singlechip U1 of the shearing control circuit 1 at any position, then, a trigger pulling mode is matched with a timing function, when the trigger pulling mode is matched with the time set by the timing function, the current knife edge size can be set to be the subsequent shearing knife edge size through the single chip microcomputer U1, and then the timing function is matched through another trigger pulling mode, when the trigger pulling mode is matched with the time set by the timing function, the shearing knife edge size can be reset to the shearing knife edge size when the electric shear head 20 is opened to the maximum extent through the single chip microcomputer U1; when special conditions occur, a user wants to control the electric scissors to automatically complete a series of shearing actions, for example, the branches with higher thickness are sheared, the branches can be sheared only through multiple shearing actions, the user needs to repeatedly pull for multiple times, in order to achieve the aim that the repeated shearing actions can be completed by pulling a trigger once, shearing action data capable of being repeatedly sheared for multiple times are stored in the single chip microcomputer U1 in advance, then a timely function is matched in a trigger pulling mode, when the trigger mode is matched with the time set by the timing function, a driving instruction of the shearing action data is generated, and the single chip microcomputer U1 controls the electric scissors driving circuit 2 to be matched with the shearing state detection circuit 5 to complete the shearing operation of the repeated shearing actions; after the shearing action of a certain opening stroke is controlled, if the branch with larger thickness is encountered temporarily, the branch with larger thickness can be sheared temporarily by setting the temporary recovery electric scissors head 20 to the maximum opening; after the series of intelligent control modes are generated, the current mode of the operation of the electric shear head 20 is fed back to a user through the shearing state prompting component 3, and the mode can be fed back to the user through a buzzer, a display screen or vibration and the like; through the design, the size of the edge of the scissors can be defined according to the size of branches needing to be frequently cut in use at any time, so that the maximum use of the electric quantity of the battery is realized, and the time for cutting the edge of the scissors in a non-cutting mode is saved; when branches with the same diameter are frequently cut, the size of the knife edge of the electric scissor head 20 can be reduced in such a way, the time consumed by empty cutting is reduced, and the cutting efficiency is improved;

by arranging the cutter head peak value judging circuit 52, the voltage is divided by the two resistors R7 and R14 and then is filtered by the capacitor C6 and then is connected to the pin of the singlechip U1, the singlechip U1 is provided with a comparator function, the voltage values of the two input pins are detected, the comparison result can be known inside the singlechip U1, and corresponding action is performed;

the tool bit initial position judging circuit 53 is arranged to connect resistors in parallel on the three-phase direct-current motor, the voltage value of the current phase can be calculated through voltage division sampling, the three-phase voltage value at any moment can be obtained through the ADC function by the single chip microcomputer U1, and the zero crossing point of the three-phase direct-current motor can be known through comparing different voltage values, so that stable phase change of the three-phase direct-current motor is realized;

through setting up stable detection circuitry 54 that cuts, when three-phase direct current motor rotational speed was too fast, only through the sample current value, probably there is the moment that the chronogenesis can't correspond, so parallelly connected resistance on three-phase direct current motor, through the partial pressure sample and through the comparator that the model is LM339, can obtain current three-phase direct current motor position value, singlechip U1 is through detecting these 3 pin values to rotate the continuous steady operation under the chronogenesis can realize three-phase direct current motor high speed condition according to three-phase direct current motor.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An intelligent control electric scissors with an arbitrarily set knife edge is characterized by comprising a scissors main body, wherein an electric scissors head is arranged at the front end of the scissors main body, a circuit module for controlling the electric scissors head to complete a shearing action is arranged inside the scissors main body, and a signal generating part is arranged outside the scissors main body; the circuit module comprises an electric scissors driving circuit for driving electric scissors heads to complete shearing action, a signal receiving circuit for receiving an instruction signal generated by a signal generating piece, a shearing state detection circuit for detecting the electric scissors driving circuit, an arbitrary port shearing control circuit for reading the instruction signal and controlling the electric scissors driving circuit through the shearing state detection circuit, and a power supply circuit for providing corresponding electric quantity for intelligently controlling the electric scissors.

2. The intelligent control electric shears with the randomly arranged knife edge according to claim 1, wherein the electric shears head comprises a shearing structure and a three-phase direct current motor for driving the shearing structure to complete shearing action.

3. The intelligent control electric scissors with the randomly set knife edge size as claimed in claim 2, wherein the randomly cut control circuit adopts a single chip microcomputer U1 with the model of XMC1301 or XMC 1302.

4. The intelligent control electric scissors with the randomly set cutting edge size as claimed in claim 3, wherein the cutting state detection circuit comprises a cutting head position acquisition circuit for detecting the current position of the electric scissors head, a cutting head peak value judgment circuit for judging the cutting peak value of the electric scissors head, and a cutting head start position judgment circuit for judging the initial position of the electric scissors head.

5. The intelligent control electric shears with the randomly set knife edge size as claimed in claim 4, wherein the knife head position obtaining circuit comprises a resistor R18, a resistor R20, a resistor R25, a resistor R26, a resistor R27, a resistor R46, a capacitor C9 and a capacitor C30, wherein the resistor R46 is connected to a loop of the electric shears driving circuit, the resistor R18, the resistor R20 and the capacitor C9 form a voltage acquisition circuit, the resistor R25, the resistor R26, the resistor R27 and the capacitor C30 form a current acquisition circuit, and the resistor R46 is connected to two pins of the single chip microcomputer U1 through the voltage acquisition circuit and the current acquisition circuit respectively.

6. The intelligent control electric scissors with the randomly arranged knife edge size as claimed in claim 4, wherein the knife head peak value judging circuit comprises a resistor R7, a resistor R14 and a capacitor C6, and the two resistors R7 and R14 are connected to a pin of the singlechip U1 after voltage division and filtering of the capacitor C6.

7. An intelligent control electric scissors with an arbitrarily set knife edge according to claim 4, wherein the knife head start position judging circuit comprises a resistor R29, a resistor R30, a resistor R32, a resistor R33, a resistor R39, a resistor R41, a capacitor C40, a capacitor C41 and a capacitor C42, each phase of the three-phase direct current motor is respectively connected with one end of a resistor R29, a resistor R30 and a resistor R32, and the other ends of the resistor R29, the resistor R30 and the resistor R32 are respectively divided by the resistor R41, the resistor R33 and the resistor R39 and then respectively filtered by the capacitor C41, the capacitor C42 and the capacitor C40 and then connected to a pin of a singlechip U1.

8. The intelligent control electric scissors with the knife edge randomly set according to claim 3, wherein the shearing state detection circuit further comprises a stable shearing detection circuit for controlling stable shearing of the electric scissors head, the stable shearing detection circuit comprises a resistor R45, a resistor R47, a resistor R48, a resistor R49, a resistor R50, a resistor R51, a resistor R61, a capacitor C61, a comparator U4 61 and a comparator U4 61, wherein the resistor R61, the capacitor C61 and the capacitor C61 form 3 voltage division sampling circuits which are respectively connected with each of the three-phase direct current motor, and then respectively connected with the single chip microcomputer pins of the comparator U61, the comparator U4 61 and the comparator U61.

9. The intelligent control electric shears with the randomly set cutting edge according to claim 1, wherein a shearing state prompting component for generating current shearing state information is further arranged on the shears body.

10. The intelligent control electric shears with the randomly set knife edge size as claimed in claim 9, wherein the cutting state prompting component comprises one or more of a buzzer, a display screen, a vibrator or a voice player.

11. The intelligent control electric shears with randomly set knife edge according to claim 1, wherein the signal generating part comprises a trigger, a potentiometer knob, a key or a communication receiver.

12. The intelligent control electric shears with randomly set knife edge according to claim 11, wherein the signal generating part comprises a trigger, a magnet is arranged on the trigger, and the signal receiving circuit is provided with a Hall sensing module corresponding to the magnet.