CN204246266U - With the magnetostriction dentistry comprehensive therapeutic apparatus of liquid crystal display - Google Patents

Abstract

The utility model discloses a magnetostrictive dental comprehensive treatment instrument with a liquid crystal display. The treatment instrument comprises a main body. A liquid crystal display screen for displaying power and water volume is arranged on the front surface of the main body of the treatment instrument. Both sides of the rear end of the main body are upwards. The middle depression is arched to form a Luofeng shape. A bucket is placed in the middle depression. The water delivery pipe of the bucket is connected to the water pipe of the treatment head. The control circuit board and stepping motor are placed in the body, the control circuit board and the coil of the treatment head, and the liquid crystal display. The drive circuit is connected to the motor drive circuit. The utility model has the advantages of adopting single-chip microcomputer to control LCD to display the current working status of the instrument, adjusting the power displayed by LCD and the speed of stepping motor, making the operation more convenient; and adopting step-by-step control, the adjustment is more accurate and convenient.

Description

Magnetostrictive dental comprehensive treatment instrument with liquid crystal display

technical field

The utility model relates to a magnetostrictive dental comprehensive treatment instrument, in particular to a magnetostrictive dental comprehensive treatment instrument with a liquid crystal display.

Background technique

The existing magnetostrictive dental comprehensive treatment instrument has no display interface, and cannot visually display the current working state (power and water volume) of the treatment instrument. When adjusting, use the knob to adjust the power and water volume, but it is not very accurate to adjust the desired power and the speed of the stepping motor, and the doctor can only adjust it with the senses when operating.

Utility model content

The technical problem to be solved by the utility model is to provide a magnetostrictive comprehensive dental treatment instrument with a liquid crystal display that can visually display the current working state of the treatment instrument.

In order to solve the above technical problems, the utility model provides a magnetostrictive dental comprehensive treatment instrument with a liquid crystal display. Screen, both sides of the rear end of the body are arched upwards and the middle is concave, forming a Luofeng shape. A bucket is placed in the middle depression. It is connected with the coil of the treatment head, the liquid crystal display driving circuit and the stepping motor driving circuit.

The control circuit board includes a single-chip microcomputer, and the single-chip microcomputer is connected with a crystal oscillator circuit, a reset circuit, a 42KHZ frequency signal generation circuit, a stepper motor drive circuit, a liquid crystal display drive circuit and a buzzer drive circuit, and the stepper motor drive circuit is connected with a stepper motor Connection, the liquid crystal display drive circuit is connected with the liquid crystal display screen; the single-chip microcomputer generates a PWM wave signal to control the amplitude of the output signal, and then controls the output power of the 42KHZ signal generating circuit to realize power adjustment; the single-chip microcomputer controls the stepper motor drive circuit to realize the stepper motor. Speed control, so as to control the increase or decrease of water volume. The buzzer drive circuit is connected with the buzzer, and the buzzer will sound a prompt when the gear is changed.

The model of the single-chip microcomputer is ATMEGA169-PA-AU.

One side of the body is provided with a bracket for placing the treatment head, and the other side is provided with a concave groove, and a conveying wheel is installed in the groove, and the conveying wheel is installed on the output shaft of the stepping motor, and the water pipe is tensioned on the conveying wheel , the stepping motor drives the delivery wheel to rotate, and the water in the bucket is delivered to the water pipe of the treatment head.

The concave groove is provided with a transparent protective cover.

The power and water volume provided by the liquid crystal display screen of the utility model are divided into 10 stalls according to needs, and can be adjusted by pressing buttons to jump to corresponding stalls.

The superior effect of the present utility model is:

1) Using single-chip microcomputer to control LCD to display the current working status of the instrument, which can be adjusted through the power displayed on the LCD and the speed of the stepping motor, making the operation more convenient;

2) And adopt step-by-step control, the adjustment is more precise and convenient.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the block diagram of circuit principle of the utility model;

Fig. 3 is a structural schematic diagram of a water delivery device in a groove on one side of the utility model;

Explanation of symbols in the figure

1—body; 2—bucket;

3—Water pipe; 4—LCD display;

5—treatment head;

6—fixed bracket;

601—upper clip; 602—lower clip;

701—small hole on the right side; 702—small hole on the left side;

8—conveying wheel. the

Detailed ways

The embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, but the utility model can be implemented in various ways defined and covered by the claims.

Below in conjunction with Fig. 1, describe in detail the embodiment of the present utility model.

Fig. 1 shows the structural representation of the utility model. As shown in Figure 1, the utility model provides a magnetostrictive comprehensive dental treatment instrument with a liquid crystal display, the treatment instrument includes a body 1, and a liquid crystal displaying power and water volume is arranged on the front end of the body 1 of the treatment instrument The display screen 4, both sides of the rear end of the body 1 are arched upwards, and the middle depression is formed to form a Luofeng shape. The bucket 2 is placed in the middle depression, the water delivery pipe 3 of the bucket 2 is connected to the water pipe of the treatment head 5, and the control circuit board is placed in the body 1 And the stepping motor, the control circuit board is connected with the coil of the treatment head 5, the liquid crystal display driving circuit and the stepping motor driving circuit.

Fig. 3 shows a schematic structural diagram of the water delivery device of the present invention. As shown in Figure 3, one side of the body 1 is provided with a bracket for placing the treatment head 5, and the other side is provided with a concave groove, and a conveying wheel is installed in the groove, and the conveying wheel is mounted on the output shaft of the stepping motor. The water delivery pipe is tensioned on the delivery wheel, and the stepping motor drives the delivery wheel to rotate, and the water in the bucket is delivered to the water pipe of the treatment head.

Both sides of the concave groove are respectively provided with small holes 7 passing through the water delivery pipe.

One side of the concave groove is provided with a delivery wheel 8, and the other side is provided with a fixed bracket 6, and the water delivery pipe 3 penetrates through the small hole 701 on the right side, and is mounted on the upper clip part 601 of the fixed bracket 6, and then Make a circle around the delivery wheel 5, and then install it on the lower clamping part 602 of the fixed bracket 6, and pass through the small hole 702 on the left side.

The water delivery pipe 3 is located in the bucket 2 and enters the bucket through the aperture on the lid of the bucket. Prevent dust from entering the bucket and polluting the water source.

The concave groove is provided with a transparent protective cover, which is convenient for checking the assembly condition of the water delivery pipe.

Fig. 2 has shown the functional block diagram of the circuit of the utility model. As shown in Figure 2, the control circuit board includes a single-chip microcomputer, and the single-chip microcomputer is connected with a crystal oscillator circuit, a reset circuit, a 42KHZ frequency signal generation circuit, a stepper motor drive circuit, a liquid crystal display drive circuit and a buzzer drive circuit, and the stepper motor The driving circuit is then connected to the stepping motor, and the liquid crystal display driving circuit is connected to the liquid crystal display; the single-chip microcomputer generates a PWM wave signal to control the amplitude of the output signal, and then controls the output power of the 42KHZ signal generating circuit to realize power adjustment; the single-chip microcomputer controls the stepping motor The drive circuit realizes the speed control of the stepper motor, thereby controlling the increase or decrease of the water volume.

The model of the single-chip microcomputer is ATMEGA169-PA-AU.

As shown in Figure 2, the LM2576-5V power supply provides 5V power for the microcontroller and other circuits.

The reset circuit realizes the power-on reset of the single-chip microcomputer, and the circuit REST is connected with the 20th pin of the single-chip microcomputer reset pin.

The crystal oscillator circuit provides the required clock frequency for the single-chip microcomputer, and the crystal oscillator circuit is connected with the 24th pin and the 25th pin of the single-chip microcomputer.

The single-chip microcomputer controls the liquid crystal drive circuit to drive the liquid crystal display to display the power, water volume and other working states of the magnetostrictive dental comprehensive treatment instrument.

42KHZ frequency generating circuit realizes 42KHZ frequency signal output. The single-chip microcomputer generates a PWM wave signal to control the VBB voltage, control the amplitude of the 42KHZ signal, and then control the output power of the 42KHZ frequency signal. The output power is adjustable in 10 gears. The lowest gear for power is gear 1.

The foot switch controls whether the magnetostrictive dental comprehensive treatment device is in a working state or a standby state.

The single-chip microcomputer drives the stepper motor drive circuit through the optocoupler to realize the speed control of the stepper motor, and controls the increase or decrease of the water volume. The water volume control is divided into 10 adjustable gears.

The LM2576-ADJ circuit powers the stepper motor drive circuit.

The buzzer driving circuit is connected with the buzzer. The main function of the buzzer is to convert the electrical signal into an acoustic signal, and to make a prompt sound when adjusting the power or water level of the magnetostrictive dental comprehensive treatment instrument.

The working process of the utility model is: the main power supply of the therapeutic apparatus is controlled by the power switch on the back of the therapeutic apparatus body, press the switch, the power is turned on, and the liquid crystal display of the therapeutic apparatus is bright, indicating that the therapeutic apparatus is in a standby state.

1. The treatment head works/stops

The vibration of the treatment head and the operation or stop of the flushing system are controlled by the ring switch on the handle. When the control switch on the handle is turned to "on", the circuit in the body will generate ultrasonic oscillations, and an alternating magnetic field will be generated in the coil to make the treatment head The magnetic rod produces magnetostriction in the coil, that is, vibration. At the same time, the operation of the stepping motor drives the displacement of the liquid in the water pipe, and the LCD displays "Working". Otherwise, in the "standby state", the treatment head stops vibrating, and the single-chip microcomputer synchronously controls the stepping motor to stop running.

2. The amplitude/power setting of the treatment head

The vibration amplitude and power of the treatment head can be gradually increased or decreased through the "power adjustment button +" and "power adjustment button-" on the panel of the therapeutic instrument. At the same time, the current power value and water volume are displayed on the LCD screen.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (4)

1. the magnetostriction dentistry comprehensive therapeutic apparatus with liquid crystal display, this therapeutic instrument comprises body, it is characterized in that: the body front end face of this therapeutic instrument is provided with the LCDs of display power and the water yield, upwards arch upward both sides, body rear end intermediate recess, form Luo Fengzhuan, bucket is placed at intermediate recess position, the water-supply-pipe of bucket is connected with the water pipe for the treatment of head, be placed with control circuit board and motor in body, control circuit board is connected with the treatment coil of head, liquid crystal display drive circuit and stepper motor driving circuit.

2. the magnetostriction dentistry comprehensive therapeutic apparatus with liquid crystal display according to claim 1, it is characterized in that: described control circuit board comprises single-chip microcomputer, single-chip microcomputer is connected with crystal oscillating circuit, reset circuit, 42KHZ frequency signal generating circuit, stepper motor driving circuit, liquid crystal display drive circuit and buzzer drive circuit, stepper motor driving circuit is connected with motor again, and liquid crystal display drive circuit is connected with LCDs; Single-chip microcomputer produces the amplitude that PWM ripple signal controls output signal, and then the output of control 42KHZ signal generating circuit, realizes power adjustable; The rotating speed that Single-chip Controlling stepper motor driving circuit realizes motor controls, thus controls water yield increase or reduce.

3. the magnetostriction dentistry comprehensive therapeutic apparatus with liquid crystal display according to claim 2, is characterized in that: the model of described single-chip microcomputer is ATMEGA169-PA-AU.

4. the magnetostriction dentistry comprehensive therapeutic apparatus with liquid crystal display according to claim 1, it is characterized in that: described body side is provided with the support placing treatment head, opposite side is provided with the groove of indent, in groove, delivery wheel is installed, delivery wheel is loaded on the output shaft of motor, water-supply-pipe is tensioned on delivery wheel, and motor drives delivery wheel to rotate, and is transported to by the water in bucket in the water pipe for the treatment of head.