阅读说明：本技术 一种牙科器械用电动马达控制装置 (Electric motor control device for dental instrument ) 是由 陈跃勇 于 2020-08-07 设计创作，主要内容包括：本发明公开了一种牙科器械用电动马达控制装置,包括：控制单元、运动单元、水气开关单元。所述运动单元分别与所述控制单元和水气开关单元相连。所述控制单元包括控制界面和控制电路板,所述控制界面和控制电路板通过信号传输线连接并传输信号；所述运动单元包括第一电动马达和第二电动马达；所述水气开关单元包括水气分支接头、第一三通、第二三通、开关水气装置。本发明的优点为：能通过控制单元单独控制第一电动马达或第二电动马达的启动与停止,并同时能通过控制单元控制水气开关单元给第一电动马达或第二电动马达提供或是关闭水气。(The invention discloses an electric motor control device for dental instruments, which comprises: control unit, motion unit, aqueous vapor switch unit. The motion unit is respectively connected with the control unit and the water-gas switch unit. The control unit comprises a control interface and a control circuit board, and the control interface and the control circuit board are connected through a signal transmission line and transmit signals; the motion unit comprises a first electric motor and a second electric motor; the water-gas switch unit comprises a water-gas branch joint, a first tee joint, a second tee joint and a water-gas switch device. The invention has the advantages that: the control unit can be used for independently controlling the starting and stopping of the first electric motor or the second electric motor, and simultaneously controlling the water-gas switch unit to provide water gas for the first electric motor or the second electric motor or close the water gas.)

1. An electric motor control device for a dental instrument, comprising:

the control unit comprises a control interface (8) and a control circuit board (7) connected with the control interface (8) through a signal transmission line;

a movement unit comprising a first electric motor (5) and a second electric motor (6);

the water-gas switch unit comprises a water-gas branch joint (1), a first tee joint (2), a second tee joint (3) and a water-gas switching device (4).

2. The dental electric motor control apparatus according to claim 1, wherein the input voltage of the control circuit board (7) is AC 24V or DC 32V to DC 36V;

the control circuit board (7) is electrically connected with an external accessory electric control pedal (9);

the control circuit board (7) is provided with an air pressure sensor, and the air pressure sensor is connected with an external accessory air control pedal (10) through an air pipe;

the control circuit board (7) is provided with a relay, the relay is used for switching and selecting the first electric motor (5) and the second electric motor (6), and the relay can also control the first electric motor (5) and the second electric motor (6) to work simultaneously.

3. An electric motor control device for dental instruments according to claim 1, characterized in that the first electric motor (5) and the second electric motor (6) are electrically connected to the control circuit board (7), respectively; the first electric motor (5) and the second electric motor (6) are connected with the water and gas switching device (4) through a water and gas pipe.

4. An electric motor control device for dental instruments according to claim 1, characterized in that the water gas branch connection (1), the first tee (2), the second tee (3) and the water switch water gas device (4) are connected by water gas pipes.

5. The dental electric motor control device according to claim 1, wherein the switching water-air device (4) is provided with a first solenoid valve (41), a second solenoid valve (42), a third solenoid valve (43) and a fourth solenoid valve (44), and the switching water-air device (4) switches water by switching the solenoid valves.

6. The electric motor control device for dental instruments according to claim 5, wherein the first solenoid valve (41), the second solenoid valve (42), the third solenoid valve (43), and the fourth solenoid valve (44) are electrically connected to the control circuit board (7), respectively.

7. The dental electric motor control device according to claim 1, wherein the water-air opening and closing device (4) is provided with a first water inlet (411), a first water outlet (421), a second water inlet (414), a second water outlet (424), a first air inlet (412), a first air outlet (422), a second air inlet (413), and a second air outlet (423).

8. An electric motor control device for dental instruments according to claim 7, wherein the first water inlet (411) forms a passage with the first water outlet (421) through the second solenoid valve (42), and the opening and closing of the water passage is realized by the opening and closing of the second solenoid valve (42);

the second water inlet (414) forms a passage with the second water outlet (424) through the fourth electromagnetic valve (44), and the opening and closing of the water path are realized through the opening and closing of the fourth electromagnetic valve (44);

the first air inlet (412) and the first air outlet (422) form a passage through the first electromagnetic valve (41), and the opening and closing of an air passage are realized through the opening and closing of the first electromagnetic valve (41);

the second air inlet (413) and the second air outlet (423) form a passage through the third electromagnetic valve (43), and an air passage is opened and closed through opening and closing of the third electromagnetic valve (43).

9. An electric motor control device for dental instruments according to claim 7, wherein an air tube of the first electric motor (5) is connected to the first air outlet (422) to form a passage, and a water tube of the first electric motor (5) is connected to the first water outlet (421) to form a passage;

an air pipe of the second electric motor (6) is connected with the second air outlet (423) to form a passage, and a water pipe of the second electric motor (6) is connected with the second water outlet (424) to form a passage.

10. The dental electric motor control device according to claim 1, wherein the control interface (8) is used for setting parameters to select whether the first electric motor (5) is operated or the second electric motor (6) is operated, and the first electric motor (5) and the second electric motor (6) are operated simultaneously; when any one of the first electric motor (5) and the second electric motor (6) works, parameters can be set through the control interface (8) to select switching of water vapor and switching of a light source; the parameters set by the control interface (8) are controlled and realized by the control circuit board (7).

Technical Field

The invention relates to the technical field of dental instruments, in particular to an electric motor control device for a dental instrument.

Background

The dental medical instruments refer to various small tools used in dentistry, and are internationally called dental instruments, and include surgical instruments such as dental handpieces, dental forceps, dental elevator, dental excavator, etc., manual dental instruments, dental electric motors, root canal instruments, etc. The electric motor mainly comprises an electric motor, a machine head, a grinding head or a machine needle, a water supply system, an air supply system and a lighting system. The electric motor drives the grinding head or the needle to drill, mill, grind, polish, treat root canal and the like.

At present, the electric motor for the dental medical instrument has single function, can only realize the work of a single motor, and can not adapt to the complex work requirement.

Therefore, there is a need to provide a new electric motor control device for dental instruments to solve the above technical problems.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an electric motor control device for a dental instrument, which can realize simultaneous work of a single motor or a plurality of motors and can realize a water-gas switch and a light source switch of the work motor.

In order to solve the above-described problems, the present invention provides an electric motor control device for a dental instrument, comprising:

the control unit comprises a control interface and a control circuit board, wherein the control interface and the control circuit board are connected through a signal transmission line and transmit signals;

the motion unit comprises a first electric motor and a second electric motor;

the water-gas switch unit comprises a water-gas branch joint, a first tee joint, a second tee joint and a water-gas switch device.

Preferably, the input voltage of the control circuit board is AC 24V or DC 32V-DC 36V;

the control circuit board is electrically connected with an external accessory electric control pedal;

the control circuit board is provided with an air pressure sensor and is connected with an external accessory air control pedal through an air pipe;

the control circuit board is provided with a relay to switch whether the first electric motor works or the second electric motor works, or the first electric motor and the second electric motor work simultaneously.

Preferably, the first electric motor and the second electric motor are electrically connected to the control circuit board respectively; the first electric motor and the second electric motor are connected with the water-gas switching device through a water-gas pipe.

Preferably, the water and gas switching device is provided with a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve, and the switching of the water and gas is realized through the switching of the electromagnetic valves;

the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are respectively and electrically connected with the control circuit board.

Preferably, the water and gas switching device is provided with a first water inlet, a first water outlet, a second water inlet, a second water outlet, a first gas inlet, a first gas outlet, a second gas inlet and a second gas outlet.

Preferably, the first water inlet and the first water outlet form a passage through the second electromagnetic valve, and the opening and closing of the water path are realized through the opening and closing of the second electromagnetic valve;

the second water inlet and the second water outlet form a passage through the fourth electromagnetic valve, and the opening and closing of the waterway are realized through the opening and closing of the fourth electromagnetic valve;

the first air inlet and the first air outlet form a passage through the first electromagnetic valve, and an air passage is opened and closed through opening and closing of the first electromagnetic valve;

the second air inlet and the second air outlet form a passage through the third electromagnetic valve, and the air passage is opened and closed through the opening and closing of the third electromagnetic valve

Compared with the related art, the electric motor control device for the dental instrument has the following beneficial effects:

the invention provides an electric motor control device for a dental instrument, which can realize the simultaneous work of a single motor or a plurality of motors, can realize a water-gas switch and a light source switch of a working motor, can adapt to different working requirements, and has perfect functions and convenient use.

Drawings

FIG. 1 is a schematic diagram of a control connection of an electric motor control device for a dental tool according to the present invention;

fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a water-gas branch joint; 2. a first tee joint; 3. a second tee joint; 4. switching on and off the water-gas device; 11. a water pipe joint; 12. a gas pipe joint; 41. a first solenoid valve; 42. a second solenoid valve; 43. a third electromagnetic valve; 44. a fourth solenoid valve; 411. a first water inlet; 412. a first air inlet; 413. a second air inlet; 414. a second water inlet; 421. a first water outlet; 422. a first air outlet; 423. a second air outlet; 424. a second water outlet; 5. a first electric motor; 6. a second electric motor; 7. a control circuit board; 8. a control interface; 9. an external accessory electric control pedal; 10. the external fitting is a pneumatic control pedal.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1 and 2, an electric motor control device for dental instruments includes:

the control unit comprises a control interface 8 and a control circuit board 7 connected with the control interface 8 through a signal transmission line;

a movement unit comprising a first electric motor 5 and a second electric motor 6;

the water-gas switch unit comprises a water-gas branch joint 1, a first tee joint 2, a second tee joint 3 and a water-gas switching device 4.

In this embodiment, a control circuit board 7 in the control unit is electrically connected to a first electric motor 5 and a second electric motor 6 in the motion unit, the first electric motor 5 and the second electric motor 6 in the motion unit are respectively connected to a first water outlet 421, a first air outlet 422, a second air outlet 423, and a second water outlet 424 in the water gas switch unit through water gas pipes, the control circuit board 7 in the control unit is respectively electrically connected to a first electromagnetic valve 41, a second electromagnetic valve 42, a third electromagnetic valve 43, and a fourth electromagnetic valve 44 in the water gas switch unit, and the control unit, the motion unit, and the water gas switch unit are connected to form the electric motor control device for the whole dental instrument.

In the water-air switch unit of this embodiment, the principle of switching water is that an external water source enters through a water inlet pipe of the water-air branch joint 1 and is transmitted to the water pipe joint 11, and is transmitted to the first tee joint 2 through a water pipe, and is respectively transmitted to the first water inlet 411 and the second water inlet 414 through the split flow of the first tee joint 2, and then is respectively transmitted to the first water outlet 421 and the second water outlet 424 through the second electromagnetic valve 42 and the fourth electromagnetic valve 44, and finally is respectively transmitted to the first electric motor 5 and the second electric motor 6 through a water pipe to form the whole water path; the control circuit board 7 controls the switches of the second electromagnetic valve 42 and the fourth electromagnetic valve 44 through the setting parameters of the control interface 8 to control the switches of the whole water paths leading to the first electric motor 5 and the second electric motor 6, and the switches can be simultaneously opened or closed or can be independently opened or closed.

In the water gas switch unit of this embodiment, the principle of switching gas is that an external gas source enters through an air inlet pipe of the water gas branch joint 1 and is transmitted to the air pipe joint 12, is transmitted to the second tee joint 3 through the air pipe, is respectively transmitted to the first air inlet 412 and the second air inlet 413 through the split flow of the second tee joint 3, is respectively transmitted to the first air outlet 422 and the second air outlet 423 through the first electromagnetic valve 41 and the third electromagnetic valve 43, and is finally transmitted to the first electric motor 5 and the second electric motor 6 through the air pipe to form a whole gas circuit; the control circuit board 7 controls the switches of the first electromagnetic valve 41 and the third electromagnetic valve 43 through the setting parameters of the control interface 8 to control the switches of the whole air passages leading to the first electric motor 5 and the second electric motor 6, and the air passages can be opened or closed simultaneously or opened or closed independently.

In this embodiment, the control circuit board 7 is provided with an interface connected with an external accessory electric control pedal 9, and the electric motor can be started or stopped by the external accessory electric control pedal 9;

the control circuit board 7 is provided with an air pressure sensor for connecting with an external fitting air control pedal 10, and the electric motor can be started or stopped by the external fitting air control pedal 10.

In summary, the first electric motor 5 or the second electric motor 6 can work independently through the embodiment, and the switch of the water and gas circuit of the first electric motor 5 or the second electric motor 6 can be controlled when the first electric motor 5 or the second electric motor 6 works independently; in this embodiment, the first electric motor 5 and the second electric motor 6 can be operated simultaneously, and the switch for controlling the water and air paths of the first electric motor 5 or the second electric motor 6 can be realized when the first electric motor 5 and the second electric motor 6 are operated simultaneously.

Compared with the related art, the electric motor control device for the dental instrument has the following beneficial effects:

the invention provides an electric motor control device for a dental instrument, which can realize the simultaneous work of a single motor or a plurality of motors, can realize a water-gas switch and a light source switch of a working motor, can adapt to different working requirements, and has perfect functions and convenient use.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.