CN114617760A - Control system and fascia gun - Google Patents
Control system and fascia gun Download PDFInfo
- Publication number
- CN114617760A CN114617760A CN202011475884.8A CN202011475884A CN114617760A CN 114617760 A CN114617760 A CN 114617760A CN 202011475884 A CN202011475884 A CN 202011475884A CN 114617760 A CN114617760 A CN 114617760A
- Authority
- CN
- China
- Prior art keywords
- brushless motor
- switching tube
- control system
- controller
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0157—Constructive details portable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
Abstract
The embodiment of the invention relates to the technical field of circuit control, and discloses a control system applied to a fascia gun, which comprises: the controller is configured to acquire the working current and/or the rotating speed of the brushless motor through the rotating speed detection circuit and the current sampling circuit so as to judge the change of the load pressure, and output a rotating speed adjusting signal to the motor control circuit according to the change of the load pressure so as to adjust the rotating speed of the brushless motor, so that the intelligent adjustment of the force of the movement of the gun head of the fascial gun is realized.
Description
Technical Field
The embodiment of the invention relates to the technical field of circuit control, in particular to a control system and a fascia gun.
Background
The fascial gun is a medical apparatus and a health care device which can drive a gun head to move by controlling the rotating speed/torque force of a motor and generating high-frequency impact to act on the deep layer of muscles by an internal transmission structure at the current rotating speed of the motor. Currently, fascia guns are becoming more popular in the market due to the physical problem of lumbar muscle strain caused by the long-term work of many office workers in front of computers, however, different customers have different demands for product hammering force, and when the user feels insufficient force during use, the following two responses naturally occur: firstly, improve machine output strength through adjusting machine gear, secondly, through increaseing hand strength with the machine more powerful effect on the muscle.
In implementing the embodiments of the present invention, the inventors found that at least the following problems exist in the above related art: at present, therefore, the electronic solutions of fascial guns currently on the market can only meet the single demand of the user for strength, and the user adopting the above-mentioned reactions to increase the strength of the fascial gun causes two problems: firstly, the strength of the hand load is changed greatly, and the hand fatigue is accelerated; secondly, the machine is easy to lock (different motor parameters of different products), and finally, the user experience is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the embodiments of the present invention is to provide a control system and a fascial gun capable of intelligently adjusting force.
The purpose of the embodiment of the invention is realized by the following technical scheme:
in order to solve the above technical problem, in a first aspect, an embodiment of the present invention provides a control system applied to a fascial gun, the system including:
the brushless motor is used for driving the gun head of the fascial gun to move;
a motor control module, comprising:
a motor control circuit connected with the control end of the brushless motor,
a rotation speed detection circuit connected with a first detection port of the brushless motor for acquiring the rotation speed of the brushless motor,
the current sampling circuit is connected with a second detection port of the brushless motor and used for acquiring the working current of the brushless motor;
the controller is connected with the motor control circuit, the rotating speed detection circuit and the current sampling circuit, and is configured to judge the change of the load pressure according to the working current and/or the rotating speed of the brushless motor and output a rotating speed adjusting signal to the motor control circuit according to the change of the load pressure so as to adjust the rotating speed of the brushless motor.
In some embodiments, the motor control circuit comprises:
a first switch tube, the base electrode of which is connected with the controller, and the emitter electrode of which is grounded;
one end of the first voltage dividing resistor is connected with a power supply, and the other end of the first voltage dividing resistor is connected with a control end of the brushless motor;
one end of the second voltage-dividing resistor is connected with the other end of the first voltage-dividing resistor, and the other end of the second voltage-dividing resistor is connected with the collector of the first switching tube; and is provided with a plurality of groups of the materials,
the controller is configured to increase the duty cycle of the rotation speed adjustment signal when the load pressure becomes large and decrease the duty cycle of the rotation speed adjustment signal when the load pressure becomes small.
In some embodiments, the rotation speed detection circuit includes:
a second switch tube, wherein the base electrode of the second switch tube is respectively connected with the first detection port of the brushless motor and the controller, the collector electrode of the second switch tube is connected with a Hall element in the controller, and the emitter electrode of the second switch tube is grounded;
one end of the third voltage dividing resistor is connected with the power supply, and the other end of the third voltage dividing resistor is connected with the collector of the second switching tube; and is provided with a plurality of groups of the materials,
the controller is configured to acquire a rotation speed of the brushless motor through the hall element, and determine that the load pressure becomes large when the rotation speed decrease is detected, and determine that the load pressure becomes small when the rotation speed increase is detected.
In some embodiments, the current sampling circuit comprises:
one end of the fourth voltage-dividing resistor is connected with the second detection port of the brushless motor and the Hall element in the controller, and the other end of the fourth voltage-dividing resistor is grounded;
one end of the fifth voltage-dividing resistor is connected with the other end of the fourth voltage-dividing resistor;
one end of the first filter capacitor is connected with the other end of the fifth voltage-dividing resistor, and the other end of the first filter capacitor is grounded; and is provided with a plurality of groups of the materials,
the controller is configured to acquire an operating current of the brushless motor through the hall element, and determine that the load pressure becomes large when an increase in the operating current is detected, and determine that the load pressure becomes small when a decrease in the operating current is detected.
In some embodiments, the control system further comprises: a lithium battery pack;
the motor control module further includes: and the power switch circuit is respectively connected with the lithium battery pack and the power input end of the brushless motor and used for controlling whether the lithium battery pack supplies power to the brushless motor.
In some embodiments, the power switching circuit comprises:
the drain electrode of the third switching tube is connected with the power supply input end of the brushless motor, and the source electrode of the third switching tube is connected with the lithium battery pack;
one end of the sixth divider resistor is connected with the source electrode of the third switching tube, and the other end of the sixth divider resistor is connected with the grid electrode of the third switching tube;
one end of the seventh divider resistor is connected with the grid electrode of the third switching tube;
a fourth switching tube, a collector of which is connected with the other end of the seventh divider resistor, a base of which is connected with the controller, and an emitter of which is grounded; and is provided with a plurality of groups of the materials,
the controller is configured to control the fourth switching tube to be connected so that the lithium battery pack supplies power to the brushless motor when receiving an instruction of starting the fascial gun, and control the fourth switching tube to be disconnected so that the lithium battery pack stops supplying power when receiving an instruction of closing the fascial gun.
In some embodiments, the control system further comprises: the input end of the charging control module is connected with the power supply, the output end of the charging control module is connected with the lithium battery pack, and the charging control module at least comprises a boosting charging management chip and a voltage detection circuit; and is provided with a plurality of groups of the materials,
the controller is configured to control the boost charging management chip to disconnect the lithium battery pack from the brushless motor when the charging control module charges the lithium battery pack, and to acquire the electric quantity information of the lithium battery pack through the voltage detection circuit.
In some embodiments, the control system further comprises: and the state display module is connected with the controller and is used for displaying the electric quantity information of the lithium battery pack and/or the gear of the fascial gun.
In some embodiments, the control system further comprises: the key control module is connected with the controller and at least comprises a key switch for receiving the pressing operation of a user;
the controller is configured to obtain a pressing operation of a user through the key control module and output a control instruction according to the pressing operation, wherein the control instruction at least comprises: a command for starting or closing the fascial gun and a gear adjusting command.
In order to solve the above technical problem, in a second aspect, an embodiment of the present invention provides a fascia gun, including: a control system as described in the first aspect above.
Compared with the prior art, the invention has the beneficial effects that: in contrast to the state of the art, an embodiment of the present invention provides a control system for application to a fascial gun, the system comprising: the controller is configured to acquire the working current and/or the rotating speed of the brushless motor through the rotating speed detection circuit and the current sampling circuit so as to judge the change of the load pressure, and output a rotating speed adjusting signal to the motor control circuit according to the change of the load pressure so as to adjust the rotating speed of the brushless motor, so that the intelligent adjustment of the force of the movement of the gun head of the fascial gun is realized.
Drawings
The embodiments are illustrated by the figures of the accompanying drawings which correspond and are not meant to limit the embodiments, in which elements/blocks having the same reference number designation may be represented by like elements/blocks, and in which the drawings are not to scale unless otherwise specified.
Fig. 1 is a schematic diagram of an application scenario of a control system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a control system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a motor control module of the control system of FIG. 2;
fig. 4 is a schematic structural diagram of another control system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the concept of the invention. All falling within the scope of the present invention.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further 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 should be noted that, if not conflicted, the various features of the embodiments of the invention may be combined with each other within the scope of protection of the present application. In addition, although the functional blocks are divided in the device diagram, in some cases, the blocks may be divided differently from those in the device. Further, the terms "first," "second," "third," and the like, as used herein, do not limit the data and the execution order, but merely distinguish the same items or similar items having substantially the same functions and actions. 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 be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In order to solve the problem that the fascia gun cannot intelligently adjust the strength according to the requirement of the user at present, an embodiment of the present invention provides a control system applied to the fascia gun, please refer to fig. 1, which shows a schematic view of an application scenario of the control system provided in the embodiment of the present invention, wherein the application environment includes: the fascia gun 1 is provided with a control system 10 according to an embodiment of the invention, and the control system 10 includes a brushless MOTOR, a MOTOR control module 100 and a controller MCU, wherein the brushless MOTOR is arranged inside a gun head 1a of the fascia gun 1 and is used for driving the gun head 1a to perform impact motion.
The control system 10 can obtain the working current and/or the rotating speed of the brushless MOTOR during working through the MOTOR control module 100, and the controller MCU can judge the change of the load pressure of the fascial gun 1 according to the working current and/or the rotating speed of the brushless MOTOR and output a rotating speed adjusting signal to the MOTOR control module 100 according to the change of the load pressure to adjust the rotating speed of the brushless MOTOR, thereby realizing intelligent adjustment of the force of the movement of the gun head 1a of the fascial gun 1.
That is to say, when a user uses the fascial gun 1 using the control system 10 provided by the embodiment of the present invention, when the user applies force to the product to the muscle through the wrist to cause the brushless MOTOR to generate load (when the user wants to increase the force of the fascial gun 1), and when any one of the following conditions occurs, for example, the rotation speed/current/pressure sensing reaches a set value, the control system 10 can control the rotation speed of the brushless MOTOR to increase along with the rotation speed, so as to increase the force of the gun head 1a of the fascial gun 1.
Further, the fascia gun 1 may further be provided with a key switch K, an LED lamp (LED1, LED2, LED3, LED4) and the like, the fascia gun 1 may be turned on or off by a user pressing the key switch K, and the LED and the like may be used to display the remaining power and/or the gear of the fascia gun 1.
The fascia gun 1 improved by the control system 10 provided by the embodiment of the invention is more ergonomic, and the use experience of a user can be greatly improved. This is because the user is actively working on the machine to act on the body's behavior, with the potential requirement of dissatisfaction with the current strength, being conscious of the desire to obtain greater strength. Therefore, the technical scheme provided by the embodiment of the invention can solve the use problem of the product for the customer by judging the user behavior.
It should be noted that the fascial gun 1 and the gun head 1a thereof are not limited to the shape and size shown in fig. 1, and the shape, size, number, type, arrangement, etc. of the key switch K and the LED lamps (LED1, LED2, LED3, and LED4) are not limited to those shown in fig. 1, and in particular, the key switch K and the LED lamps can be arranged according to the actual application scenario, and need not be limited by the embodiment of the present invention.
Specifically, the embodiments of the present invention are further explained below with reference to the drawings.
Example one
An embodiment of the present invention provides a control system, please refer to fig. 2, which shows a structure of a control system 10 according to an embodiment of the present invention, where the control system 10 may be the control system 10 shown in the above application scenario, and may be applied to the fascial gun 1 shown in the above application scenario, and the control system 10 includes: a brushless MOTOR, a MOTOR control module 100 and a controller MCU.
The brushless MOTOR is used for driving the gun head 1a of the fascial gun 1 to move. The brushless MOTOR may be any MOTOR which can drive the gun head 1a of the fascial gun 1 to perform impact motion on the market, and preferably, the brushless MOTOR is arranged in the gun head 1a of the fascial gun 1 and is integrated with the gun head 1 a.
The motor control module 100, comprising: a MOTOR control circuit 110 connected to a control terminal P3 of the brushless MOTOR; a rotation speed detection circuit 120, connected to the first detection port P1 of the brushless MOTOR, for obtaining a rotation speed of the brushless MOTOR; and the current sampling circuit 130 is connected to the second detection port P2 of the brushless MOTOR for obtaining the working current of the brushless MOTOR.
The controller MCU is connected to the MOTOR control circuit 110, the rotation speed detection circuit 120 and the current sampling circuit 130, and is configured to determine a change in load pressure according to a working current and/or a rotation speed of the brushless MOTOR, and output a rotation speed adjustment signal to the MOTOR control circuit 110 according to the change in load pressure to adjust the rotation speed of the brushless MOTOR.
In some embodiments, referring to fig. 3, a schematic diagram of a motor control module 100 in the control system shown in fig. 2 is shown, and as shown in fig. 3, the motor control circuit 110 includes: a first switching tube Q1, the base electrode of which is connected with the controller MCU, and the emitter electrode of which is grounded; a first voltage dividing resistor R1, one end of which is connected with a power supply, and the other end of which is connected with a control end P3 of the brushless MOTOR MOTOR; a second voltage dividing resistor R2, one end of which is connected to the other end of the first voltage dividing resistor R1, and the other end of which is connected to the collector of the first switching tube Q1; and the controller MCU is configured to increase the duty ratio of the rotation speed adjusting signal when the load pressure becomes larger and decrease the duty ratio of the rotation speed adjusting signal when the load pressure becomes smaller.
Specifically, when the load pressure is confirmed to be increased, the force which needs to be increased by a user is determined, and at the moment, the rotating speed of the brushless MOTOR is increased by increasing the duty ratio of the rotating speed adjusting signal, so that the force of the gun head 1a of the fascial gun 1 is increased; when the load pressure is determined to be decreased, it is determined that the force needs to be decreased by the user, at this time, the rotation speed of the brushless MOTOR is decreased by decreasing the duty ratio of the rotation speed adjustment signal, so as to decrease the force of the gun head 1a of the fascial gun 1, where the decreased rotation speed may be a normal speed returning to a current force gear, or a speed decreasing to a next force gear, and may be specifically set according to an actual use condition.
In the embodiment of the present invention, the first switching tube Q1 is an NPN transistor, and the power supply is a 5V dc power supply. In practical applications, the size of the power supply, the number, the type, the parameters, and the like of the first switching tube Q1, the first voltage-dividing resistor R1, and the second voltage-dividing resistor R2 may be set according to actual needs, and need not be limited by the embodiments of the present invention.
In some embodiments, with continued reference to fig. 3, the speed detection circuit 120 includes: a second switch tube Q2, a base of which is connected to the first detection port P1 of the brushless MOTOR and the controller MCU respectively, a collector of which is connected to a Hall element Hall in the controller MCU, and an emitter of which is grounded; a third voltage dividing resistor R3, one end of which is connected to the power supply, and the other end of which is connected to the collector of the second switch Q2; and, the controller MCU is configured to obtain the rotation speed of the brushless MOTOR through the Hall element Hall, the rotation speed signal of the brushless MOTOR is shaped and output through the second switch tube Q2 and the third voltage dividing resistor R3, and the controller MCU determines that the load pressure becomes large when detecting the rotation speed decrease, and determines that the load pressure becomes small when detecting the rotation speed increase.
In the embodiment of the present invention, the second switching tube Q2 is an NPN transistor, and the power supply is a 5V dc power supply. In practical applications, the size of the power supply, the number, the type, the parameters, and the like of the second switching tube Q2 and the third voltage dividing resistor R3 may be set according to actual needs, and need not be limited by the embodiment of the present invention.
In some embodiments, with continued reference to fig. 3, the current sampling circuit 130 includes: one end of a fourth voltage dividing resistor R4 is connected with a second detection port P2 of the brushless MOTOR MOTOR and a Hall element Hall in the controller MCU, and the other end of the fourth voltage dividing resistor R4 is grounded; a fifth voltage-dividing resistor R5, one end of which is connected to the other end of the fourth voltage-dividing resistor R4; a first filter capacitor C1, one end of which is connected to the other end of the fifth voltage-dividing resistor R5, and the other end of which is grounded; and the controller MCU is configured to obtain the working current of the brushless MOTOR MOTOR through the Hall element Hall, determine that the load pressure is increased when the working current is increased, and determine that the load pressure is decreased when the working current is decreased.
It should be noted that, in practical applications, the size of the power supply, the number, the type, the parameters, and the like of the fourth voltage-dividing resistor R4, the fifth voltage-dividing resistor R5, and the first filter capacitor C1 may be set according to practical needs, and need not be limited by the embodiment of the present invention.
In some embodiments, please refer to fig. 4, which shows a structure of another control system provided in the embodiments of the present invention, where the control system 10 further includes: a lithium battery pack BAT +; the motor control module 100 further includes: and the power supply switch circuit 140 is respectively connected with the lithium battery pack BAT + and a power supply input end P4 of the brushless MOTOR MOTOR, and is used for controlling whether the lithium battery pack BAT + supplies power to the brushless MOTOR MOTOR.
In some embodiments, with continued reference to fig. 3 and 4, the power switch circuit 140 includes: a third switching tube Q3, a drain of which is connected to a power input terminal P4 of the brushless MOTOR, and a source of which is connected to the lithium battery pack BAT +; a sixth voltage-dividing resistor R6, one end of which is connected to the source of the third switching tube Q3, and the other end of which is connected to the gate of the third switching tube Q3; a seventh voltage-dividing resistor R7, one end of which is connected to the gate of the third switching tube Q3; a fourth switching tube Q4, a collector of which is connected to the other end of the seventh voltage-dividing resistor R7, a base of which is connected to the controller MCU, and an emitter of which is grounded; and the controller MCU is configured to control the fourth switching tube Q4 to be turned on to enable the lithium battery pack BAT + to supply power to the brushless MOTOR when receiving an instruction to start the fascial gun 1, and to control the fourth switching tube Q4 to be turned off to enable the lithium battery pack BAT + to stop supplying power when receiving an instruction to turn off the fascial gun.
The lithium battery pack BAT + includes at least one lithium battery, which is a power supply for supplying power to the brushless MOTOR, in an embodiment of the present invention, the third switching tube Q3 is a PMOS tube, and the fourth switching tube Q4 is an NPN-type triode. It should be noted that, in practical applications, the size and the number of the lithium battery pack BAT +, the numbers, models, parameters, and the like of the third switching tube Q3, the fourth switching tube Q4, the sixth voltage-dividing resistor R6, and the seventh voltage-dividing resistor R7 may be set according to practical needs, and need not be limited by the embodiments of the present invention.
In some embodiments, with continued reference to fig. 4, the control system 10 further includes: the charging control module 200 has an input end connected to the power supply, an output end connected to the lithium battery pack BAT +, and at least includes a boost charging management chip U1 and a voltage detection circuit 210; and if so, the controller MCU is configured to control the boost charge management chip U1 to disconnect the connection between the lithium battery pack BAT + and the brushless MOTOR when the charge control module 200 charges the lithium battery pack BAT +, and to acquire the electric quantity information of the lithium battery pack BAT through the voltage detection circuit 210.
In the embodiment of the invention, the power supply is a 5V dc power supply, preferably, after the 5V power supply is accessed through the TYPE-C interface, the current is output to the lithium battery pack BAT + through the boost charging management chip U2 to charge, and during charging, the controller MCU controls the machine to enter a non-power-on charging state, that is, the connection between the lithium battery pack BAT + and the brushless MOTOR is disconnected during charging, so as to improve the use safety.
Specifically, the settings of the power supply and the control logic of the boost charge management chip U2 can be selected according to actual needs, and need not be limited by the embodiments of the present invention.
In some embodiments, with continued reference to fig. 4, the control system 10 further comprises: and a state display module 300 connected to the controller MCU and configured to display electric quantity information of the lithium battery pack BAT and/or a gear of the fascial gun 1. Wherein the status display module 300 may be the LED lamp (LED1, LED2, LED3, and LED4) as shown in fig. 1.
In an embodiment of the present invention, during the use of the fascial gun 1, the control system 10 can divide the fascial gun into a plurality of gears according to the strength of the gun head 1a of the fascial gun 1 and display the gears through the status display module 300, for example, one LED lamp is lit or the LED1 is lit to indicate the first gear (strength is weakest), and all the LED lamps are lit or the LED4 is lit to indicate the fourth gear (strength is strongest). Similarly, during the charging process of the fascial gun 1, the current charge of the lithium battery pack BAT + can be displayed by the status display module 300, for example, a LED lamp or a LED1 is turned on to indicate that the charge is 25%, and a LED lamp or a LED4 is turned on to indicate that the charge is 100%. Further, in order to distinguish the two displays of the strength and the electric quantity, the LED lamps displaying the two states may be set to two colors, or may be set to flash, etc.
It should be noted that the status display module 300 may not be an LED lamp, but may also be other status display devices such as a display screen, and specifically, regarding the setting of the LED lamp, the setting of the status display module 300 and the corresponding setting of the gear and/or the electric quantity of the fascial gun 1 may be selected according to actual needs, and need not be limited by the embodiment of the present invention.
In some embodiments, with continued reference to fig. 4, the control system 10 further includes: a key control module 400, connected to the controller MCU, and including at least a key switch K for receiving a pressing operation of a user, where the key switch K may be a key switch K shown in fig. 1; the controller MCU is configured to obtain a pressing operation of a user through the key control module 400 and output a control command according to the pressing operation, wherein the control command at least includes: a command for starting or closing the fascial gun and a gear adjusting command.
In particular, the key switch K may be used to control a force gear and/or an electric quantity display of the fascial gun 1. For example, when the key switch K is pressed for two seconds, the state display module 300 displays the current electric quantity state of the lithium battery pack BAT +; pressing the key switch K again to stop displaying the electric quantity state of the lithium battery pack BAT +, and entering the strength level 1; pressing the key switch K again to enter the strength 2 gear … … till the highest gear, and circulating the steps; after the fascia gun 1 enters the working state, the machine can be shut down by long pressing the key switch K, or the timing shutdown time of the fascia gun 1 is set, and the like.
It should be noted that the corresponding settings of the key switch K and the gear and/or the electric quantity of the fascial gun 1 can be selected according to actual needs, and need not be limited by the embodiments of the present invention.
The embodiment of the invention provides a control system applied to a fascia gun, which comprises: the controller is configured to acquire the working current and/or the rotating speed of the brushless motor through the rotating speed detection circuit and the current sampling circuit so as to judge the change of the load pressure, and output a rotating speed adjusting signal to the motor control circuit according to the change of the load pressure so as to adjust the rotating speed of the brushless motor, so that the intelligent adjustment of the force of the movement of the gun head of the fascia gun is realized.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A control system for application to a fascial gun, the system comprising:
the brushless motor is used for driving the gun head of the fascial gun to move;
a motor control module, comprising:
a motor control circuit connected with the control end of the brushless motor,
a rotation speed detection circuit connected with a first detection port of the brushless motor for acquiring the rotation speed of the brushless motor,
the current sampling circuit is connected with a second detection port of the brushless motor and is used for acquiring the working current of the brushless motor;
the controller is connected with the motor control circuit, the rotating speed detection circuit and the current sampling circuit, and is configured to judge the change of the load pressure according to the working current and/or the rotating speed of the brushless motor and output a rotating speed adjusting signal to the motor control circuit according to the change of the load pressure so as to adjust the rotating speed of the brushless motor.
2. The control system of claim 1,
the motor control circuit includes:
a first switch tube, the base electrode of which is connected with the controller, and the emitter electrode of which is grounded;
one end of the first voltage dividing resistor is connected with a power supply, and the other end of the first voltage dividing resistor is connected with a control end of the brushless motor;
one end of the second voltage-dividing resistor is connected with the other end of the first voltage-dividing resistor, and the other end of the second voltage-dividing resistor is connected with the collector of the first switching tube; and is provided with the following components in a certain proportion,
the controller is configured to increase the duty cycle of the rotation speed adjustment signal when the load pressure becomes large and decrease the duty cycle of the rotation speed adjustment signal when the load pressure becomes small.
3. The control system of claim 2,
the rotation speed detection circuit includes:
a second switching tube, wherein the base electrode of the second switching tube is respectively connected with the first detection port of the brushless motor and the controller, the collector electrode of the second switching tube is connected with a Hall element in the controller, and the emitter electrode of the second switching tube is grounded;
one end of the third voltage dividing resistor is connected with the power supply, and the other end of the third voltage dividing resistor is connected with the collector of the second switching tube; and is provided with a plurality of groups of the materials,
the controller is configured to acquire a rotation speed of the brushless motor through the hall element, and determine that the load pressure becomes large when the rotation speed reduction is detected, and determine that the load pressure becomes small when the rotation speed increase is detected.
4. The control system of claim 3,
the current sampling circuit includes:
one end of the fourth voltage-dividing resistor is connected with the second detection port of the brushless motor and the Hall element in the controller, and the other end of the fourth voltage-dividing resistor is grounded;
one end of the fifth voltage-dividing resistor is connected with the other end of the fourth voltage-dividing resistor;
one end of the first filter capacitor is connected with the other end of the fifth voltage-dividing resistor, and the other end of the first filter capacitor is grounded; and is provided with a plurality of groups of the materials,
the controller is configured to acquire an operating current of the brushless motor through the hall element, and determine that the load pressure becomes large when an increase in the operating current is detected, and determine that the load pressure becomes small when a decrease in the operating current is detected.
5. The control system according to any one of claims 1 to 4,
the control system further comprises: a lithium battery pack;
the motor control module further comprises: and the power supply switch circuit is respectively connected with the lithium battery pack and the power supply input end of the brushless motor and is used for controlling whether the lithium battery pack supplies power to the brushless motor.
6. The control system of claim 5,
the power switching circuit includes:
the drain electrode of the third switching tube is connected with the power supply input end of the brushless motor, and the source electrode of the third switching tube is connected with the lithium battery pack;
one end of the sixth divider resistor is connected with the source electrode of the third switching tube, and the other end of the sixth divider resistor is connected with the grid electrode of the third switching tube;
one end of the seventh divider resistor is connected with the grid electrode of the third switching tube;
a collector of the fourth switching tube is connected with the other end of the seventh divider resistor, a base of the fourth switching tube is connected with the controller, and an emitter of the fourth switching tube is grounded; and is provided with a plurality of groups of the materials,
the controller is configured to control the fourth switching tube to be connected so that the lithium battery pack supplies power to the brushless motor when receiving an instruction of starting the fascial gun, and control the fourth switching tube to be disconnected so that the lithium battery pack stops supplying power when receiving an instruction of closing the fascial gun.
7. The control system of claim 5,
the control system further comprises: the input end of the charging control module is connected with the power supply, the output end of the charging control module is connected with the lithium battery pack, and the charging control module at least comprises a boosting charging management chip and a voltage detection circuit; and is provided with a plurality of groups of the materials,
the controller is configured to control the boost charging management chip to disconnect the lithium battery pack from the brushless motor when the charging control module charges the lithium battery pack, and to acquire the electric quantity information of the lithium battery pack through the voltage detection circuit.
8. The control system of claim 7,
the control system further comprises: and the state display module is connected with the controller and is used for displaying the electric quantity information of the lithium battery pack and/or the gear of the fascia gun.
9. The control system of claim 8,
the control system further comprises: the key control module is connected with the controller and at least comprises a key switch for receiving the pressing operation of a user;
the controller is configured to obtain a pressing operation of a user through the key control module and output a control instruction according to the pressing operation, wherein the control instruction at least comprises: starting or closing a fascia gun command and a gear adjusting command.
10. A fascial gun, comprising: a control system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475884.8A CN114617760A (en) | 2020-12-14 | 2020-12-14 | Control system and fascia gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475884.8A CN114617760A (en) | 2020-12-14 | 2020-12-14 | Control system and fascia gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114617760A true CN114617760A (en) | 2022-06-14 |
Family
ID=81896615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011475884.8A Pending CN114617760A (en) | 2020-12-14 | 2020-12-14 | Control system and fascia gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114617760A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6065241A (en) * | 1983-09-20 | 1985-04-15 | Honda Motor Co Ltd | Engine speed controller |
| CN110445222A (en) * | 2019-08-27 | 2019-11-12 | 厦门炬研电子科技有限公司 | A kind of lithium battery group charging-discharging controller |
| CN211457037U (en) * | 2020-03-26 | 2020-09-08 | 重庆师范大学 | Fascia gun based on pressure induction and motor controller |
| CN111671638A (en) * | 2020-06-19 | 2020-09-18 | 深圳市宗匠科技有限公司 | Fascia gun pressure balance control method and fascia gun |
| CN211556923U (en) * | 2020-02-27 | 2020-09-22 | 苏州杰跃飞电子科技有限公司 | Built-in power module of brushless motor and control circuit thereof |
-
2020
- 2020-12-14 CN CN202011475884.8A patent/CN114617760A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6065241A (en) * | 1983-09-20 | 1985-04-15 | Honda Motor Co Ltd | Engine speed controller |
| CN110445222A (en) * | 2019-08-27 | 2019-11-12 | 厦门炬研电子科技有限公司 | A kind of lithium battery group charging-discharging controller |
| CN211556923U (en) * | 2020-02-27 | 2020-09-22 | 苏州杰跃飞电子科技有限公司 | Built-in power module of brushless motor and control circuit thereof |
| CN211457037U (en) * | 2020-03-26 | 2020-09-08 | 重庆师范大学 | Fascia gun based on pressure induction and motor controller |
| CN111671638A (en) * | 2020-06-19 | 2020-09-18 | 深圳市宗匠科技有限公司 | Fascia gun pressure balance control method and fascia gun |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2474391A1 (en) | Electric power tool | |
| CN202749620U (en) | Display device used for universal serial bus (USB) data line / power line | |
| CN105320040A (en) | Power-on sequence control circuit, power-on sequence control method, control device and electronic terminal | |
| WO2016040174A1 (en) | Method and system for power provisioning | |
| CN106488019B (en) | A kind of starting-up method of mobile terminal and mobile terminal | |
| CN102376280B (en) | Power source regulating circuit and there is the mainboard of this circuit | |
| CN114617760A (en) | Control system and fascia gun | |
| CN211481180U (en) | Stepless speed regulation control system of fascia gun | |
| CN102280021A (en) | Infrared remote control switch | |
| CN201918593U (en) | Variable-voltage socket | |
| US20220159804A1 (en) | Pre-charging control method of power module and power module | |
| CN112234704B (en) | Flash lamp power supply switching circuit, flash lamp control method and electronic equipment | |
| US8193825B2 (en) | Test circuit and method for an electronic device | |
| CN100411290C (en) | Intelligent type power supply and its method | |
| CN210678794U (en) | Electric shaver with electric quantity reminding function | |
| CN202930931U (en) | Charging display protection circuit | |
| CN202777602U (en) | Intelligent and self-generating body-building vehicle | |
| CN202362928U (en) | Infrared remote controller with touch screen | |
| CN105070241A (en) | Multi-partition dynamic backlight detection method, multi-partition dynamic backlight detection device and liquid crystal display television | |
| CN2651823Y (en) | Apparatus for adjusting and displaying computer power supply | |
| CN101572120A (en) | Word line driver used for dynamic random access memory and drive method thereof | |
| CN202838906U (en) | Power supply timing control apparatus and display apparatus | |
| CN205721242U (en) | Drive circuit and home appliance for home appliance | |
| CN220673437U (en) | Circuit system for electric shaver | |
| CN110187654A (en) | A kind of jacking system, control method, electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |