CN209347274U - A kind of root canal, which is swung, washes device - Google Patents
A kind of root canal, which is swung, washes device Download PDFInfo
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- CN209347274U CN209347274U CN201822261462.5U CN201822261462U CN209347274U CN 209347274 U CN209347274 U CN 209347274U CN 201822261462 U CN201822261462 U CN 201822261462U CN 209347274 U CN209347274 U CN 209347274U
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Abstract
It is swung the utility model relates to a kind of root canal and washes device, which swings that wash device include host, the circuit board set on host front end；Circuit board includes ultrasonic transducer, searches frequency circuit module, drive module, match circuit and main controller module；Frequency circuit module is searched by the maximum current of detection drive module, so that it is determined that resonance point and the resonance point signal is sent to main controller module, so that main controller module exports corresponding pwm signal；The pwm signal of drive module autonomous control in future device module is enhanced, and match circuit is then output to；Square-wave signal from drive module is converted into sine wave signal by match circuit, to drive ultrasonic transducer, to reduce generating heat and useless driving harmonic wave for ultrasonic transducer.
Description
Technical field
The utility model relates to dental equipment technical field, especially a kind of root canal, which is swung, washes device.
Background technique
Root canal, which is swung, washes device, oral cavity dental treatment is used for, for removing a kind of instrument of the clast in root canal, impurity.It is used
The mode of operation washed to replace tooth-cleaning machine to swing and use irrigation with syringe merely, and be wireless design, it is wired to solve tooth-cleaning machine
Worry can substantially reduce the working strength of doctor, save the working time, it is contemplated that will clinically be widely applied.
Root canal, which is swung, washes device and is mainly made of 4 radio-frequency generator, energy converter, operation tip, Foot-controlled switch parts, interchangeable
Operation tip is made of stainless steel and titanium alloy, different, can meet treatment need of work；Foot-controlled switch mainly controls oscillation electricity
Road work and cooling water are unimpeded.Its working principle is that: supersonic frequency electric pulse is generated by electronic oscillating circuit, after amplifying
To some strength, it is delivered to energy converter, converts electrical energy into mechanical energy, excitation operation tip generates same frequency vibration, reaches and smash
Dental calculus, the purpose of loose tartar, while ultrasonic atomizatio is carried out to water flow, reach cleaning purpose.
Above-mentioned root canal, which is swung, washes the host need that device has the following disadvantages: floor push and places radio-frequency generator, energy converter
To be connected by cable, be unfavorable for equipment to miniaturization, portable direction develop, especially towards personal use person when, if
Standby occupied space is big, is unfavorable for carrying；And conventional circuit variable-frequency solutions, the high frequency transformer using large volume is needed, simultaneously
Overall efficiency is low, and fever is big；Component is easy aging.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of it is compact-sized, it is light and handy it is portable, without high frequency change
Depressor and root canal with long service life swings and washes device.
In order to solve the above technical problems, root canal provided by the utility model swings and washes device, including host, set on host front end
Circuit board；Circuit board includes ultrasonic transducer, searches frequency circuit module, drive module, match circuit and main controller module；Search frequency
Circuit module is by the maximum current of detection drive module, so that it is determined that resonance point and the resonance point signal is sent to main control
Device module, so that main controller module exports corresponding pwm signal；The pwm signal of drive module autonomous control in future device module
Enhanced, is then output to match circuit；Square-wave signal from drive module is converted into sine wave signal by match circuit,
To drive ultrasonic transducer, to reduce generating heat and useless driving harmonic wave for ultrasonic transducer.
Further, the drive module includes: main controller module, half-bridge driven chip, the first metal-oxide-semiconductor, the 2nd MOS
Pipe, first capacitor, first resistor, the first inductance, the second capacitor and quartz oscillator, the pwm signal of main controller module
The pwm signal input terminal of output termination half-bridge driven chip, the first, second control signal output difference of half-bridge driven chip
The pole G of the first, second metal-oxide-semiconductor is connect, the first inductance is followed by positive pole, the pole D of the first metal-oxide-semiconductor connects for the pole the D series connection of the first metal-oxide-semiconductor
The inverting input terminal of operational amplifier, the homophase input of operational amplifier terminate positive pole, the output termination of operational amplifier
The detection signal input part of main controller module；The pole S of first metal-oxide-semiconductor connects the pole D and one end of first capacitor of the second metal-oxide-semiconductor,
One end of the first inductance of another termination of first capacitor, the second capacitor of another termination of the first inductance and quartz oscillator
One end, the pole S of the second metal-oxide-semiconductor, the other end of the second capacitor and quartz oscillator another termination power cathode.
The technical effect of utility model: (1) root canal of the utility model swings the high-frequency oscillating circuits for washing device use, can be by leading
Controller module output control signal, the driving quartz oscillator progress higher-order of oscillation, the transformer for large volume that no setting is required,
Therefore the design of this programme is especially suitable for handheld device；(2) main controller module directly exports PWM wave to half-bridge driven core
Piece, circuit structure is simple, while being able to satisfy the frequency needs of ultrasonic transducer.It directly drives, but adopts without using MCU single-chip microcontroller
With a kind of circuit for having adjustable frequency signal generator, the larger for rate of driving is realized.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings of the specification:
Fig. 1 is that the root canal of the utility model swings the schematic perspective view for washing device；
Fig. 2 is that the root canal of the utility model swings the decomposition texture schematic diagram for washing device；
Fig. 3 is that the root canal of the utility model swings the high-frequency oscillating circuits schematic diagram for washing device；
Fig. 4 is the circuit diagram of circuit board.
In figure: host 1, switch key 11, Silicone Case 2, operation tip 3, circuit board 9, main controller module 91, half-bridge
Driving chip 92, quartz oscillator 93, operational amplifier 94, first resistor R1, the first inductance L1, first capacitor C1, the
Two capacitor C2, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2.
Specific embodiment
Embodiment 1
As shown in Figures 1 to 4, the root canal of the present embodiment, which is swung, washes device, and the circuit board of host front end is set to including host 1, work
9, host 1 is interior to be arranged power supply；The bottom end of circuit board 9 is fixed in host 1, and the top of host 1 is stretched out on the top of circuit board 9
End is arranged, and switch key 11 is arranged on host 1, for controlling the on-off of power supply.
The drive module includes: main controller module 91, half-bridge driven chip 92, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor
Q2, first capacitor C1, first resistor R1, the first sense L1, the second capacitor C2 and quartz oscillator 93, main controller module 91
Pwm signal output termination half-bridge driven chip 92 pwm signal input terminal, half-bridge driven chip 92 first, second control
Signal output end connects the pole G of the first, second metal-oxide-semiconductor respectively, and the pole the D series connection first resistor R1 of the first metal-oxide-semiconductor Q1 is being followed by power supply just
Pole VDD, the first metal-oxide-semiconductor Q1 the pole D connect the inverting input terminal of operational amplifier 94, the homophase input of operational amplifier 94 terminates electricity
Source anode VDD, the detection signal input part of the output termination main controller module 91 of operational amplifier 94；The S of first metal-oxide-semiconductor Q1
Pole connects the pole D of the second metal-oxide-semiconductor Q2 and one end of first capacitor C1, one end of the first inductance of another termination L1 of first capacitor C1,
One end of another termination the second capacitor C2 and quartz oscillator 93 of first inductance L1, the pole S of the second metal-oxide-semiconductor Q2, second
The other end of capacitor C2 and another termination power cathode of quartz oscillator 93.
DPS or 51 series monolithics can be used in main controller module 91, and the adoptable model of half-bridge driven chip 92 has
IR2183, IR2153, IR22141, FAN7382, IR2101 etc..
By taking half-bridge driven chip 92 is using IR2183 as an example, the first, second control signal output of half-bridge driven chip 92
End is respectively HO and LO pin, and the pwm signal input terminal of half-bridge driven chip 92 is HIN, LIN pin.
Obviously, above-described embodiment is merely examples for clearly illustrating the present invention, and is not to this reality
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the spiritual changes and variations that derived from of the utility model still in the protection scope of the utility model
Among.
Claims (2)
1. a kind of root canal, which is swung, washes device, including host, the circuit board set on host front end；It is characterized in that, circuit board includes ultrasound
Energy converter searches frequency circuit module, drive module, match circuit and main controller module；
Search frequency circuit module by detection drive module maximum current, so that it is determined that resonance point and by the resonance point signal send
To main controller module, so that main controller module exports corresponding pwm signal；
The pwm signal of drive module autonomous control in future device module is enhanced, and match circuit is then output to；
Square-wave signal from drive module is converted into sine wave signal by match circuit, to drive ultrasonic transducer, to reduce
The fever of ultrasonic transducer and useless driving harmonic wave.
2. root canal according to claim 1, which is swung, washes device, which is characterized in that
The drive module includes: main controller module (91), half-bridge driven chip (92), the first metal-oxide-semiconductor (Q1), the 2nd MOS
Manage (Q2), first capacitor (C1), first resistor (R1), the first inductance (L1), the second capacitor (C2) and quartz oscillator
(93), the pwm signal input terminal of pwm signal output termination half-bridge driven chip (92) of main controller module (91), half-bridge drive
First, second control signal output of dynamic chip (92) meets the pole G of the first, second metal-oxide-semiconductor, the D of the first metal-oxide-semiconductor (Q1) respectively
First resistor (R1) is followed by positive pole (VDD), the pole D of the first metal-oxide-semiconductor (Q1) connects the reverse phase of operational amplifier (94) for pole series connection
The homophase input of input terminal, operational amplifier (94) terminates positive pole (VDD), and the output of operational amplifier (94) terminates master control
The detection signal input part of device module (91) processed；The pole S of first metal-oxide-semiconductor (Q1) connects the pole D and the first capacitor of the second metal-oxide-semiconductor (Q2)
(C1) one end, one end of the first inductance of another termination (L1) of first capacitor (C1), another termination of the first inductance (L1)
One end of two capacitors (C2) and quartz oscillator (93), the pole S of the second metal-oxide-semiconductor (Q2), the second capacitor (C2) the other end
With another termination power cathode of quartz oscillator (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261462.5U CN209347274U (en) | 2018-12-30 | 2018-12-30 | A kind of root canal, which is swung, washes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261462.5U CN209347274U (en) | 2018-12-30 | 2018-12-30 | A kind of root canal, which is swung, washes device |
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| Publication Number | Publication Date |
|---|---|
| CN209347274U true CN209347274U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822261462.5U Active CN209347274U (en) | 2018-12-30 | 2018-12-30 | A kind of root canal, which is swung, washes device |
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| CN (1) | CN209347274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394374A (en) * | 2018-12-30 | 2019-03-01 | 常州赛乐医疗技术有限公司 | A kind of root canal, which is swung, washes device |
-
2018
- 2018-12-30 CN CN201822261462.5U patent/CN209347274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394374A (en) * | 2018-12-30 | 2019-03-01 | 常州赛乐医疗技术有限公司 | A kind of root canal, which is swung, washes device |
| CN109394374B (en) * | 2018-12-30 | 2024-05-10 | 常州赛乐医疗技术有限公司 | Root canal swinging and washing device |
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