CN103948439A - Dental handpiece with delay circuit - Google Patents
Dental handpiece with delay circuit Download PDFInfo
- Publication number
- CN103948439A CN103948439A CN201410192775.3A CN201410192775A CN103948439A CN 103948439 A CN103948439 A CN 103948439A CN 201410192775 A CN201410192775 A CN 201410192775A CN 103948439 A CN103948439 A CN 103948439A
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- China
- Prior art keywords
- circuit
- delay
- led lamp
- air flow
- dental handpiece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a dental handpiece with a delay circuit. The dental handpiece comprises a machine head, a hand shank, an LED lamp and a delay circuit, wherein the machine head is arranged on the top of the hand shank; the LED lamp is arranged on the hand shank; the delay circuit is connected with the hand shank; an airflow generator and a wind pipe are arranged inside the hand shank; the airflow generator and a turbine handpiece are respectively connected with the wind pipe; the delay circuit comprises a shunt circuit, a storage battery, a time-control circuit and a delay switch circuit; the shunt circuit is connected with the airflow generator; the LED lamp is connected with the delay switch circuit; the current output by the airflow generator is respectively transmitted to the storage battery and the time-control circuit through the shunt circuit; the time-control circuit is used for controlling the connection time of the delay switch circuit after the airflow generator stops generating electricity; the storage battery is used for providing a power supply to the LED lamp after the airflow generator stops generating electricity. By adopting the dental handpiece with the delay circuit, observation after surgery is convenient, the LED lamp can automatically extinguish after lastingly shining for a period of time, the dental handpiece is strong in practicability and convenient to use, and resource waste is avoided.
Description
Technical field
The present invention relates to a kind of dental handpiece, particularly a kind of dental handpiece with delay circuit.
Background technology
In the handle of existing dental handpiece, air flow electric generator is set, utilizes air-flow in dental handpiece internal duct to make air flow electric generator generating, then for the LED lamp that is arranged on head below provides power supply, thereby reach illumination object.In the time that turbine head is not worked, while thering is no airflow passes in pipeline, air flow electric generator cannot provide power supply for LED lamp.When postoperative air flow electric generator stopped status, doctor cannot check therapeutic effect in time, need just can complete or start again by other luminaires, causes and uses inconvenience.
CN201010290634.7 discloses a kind of honourable dental handpiece that is provided with electric power storage module, the electric power storage module of this dental handpiece setting is connected with gauge tap, electric power storage module be LED lamp power supply be Closed control switch in advance, or the joint of rotary handle afterbody, makes accumulator and LED lamp form loop.While applying this technical scheme, the rear LED lamp of air flow electric generator shutdown stops luminous, and after the joint of Closed control switch or rotary handle afterbody, LED lamp just can be again luminous.But, while carrying out the joint of Closed control switch or rotary handle afterbody, the head of dental handpiece is difficult to keep transfixion, if now the head of dental handpiece is positioned at patient's mouth, can cause head to touch oral cavity, if the head of dental handpiece operates while being positioned at outside patient's mouth, so with approximate by the operating procedure of other luminaires or start again, can not reach effect easy to use, and, after doctor checks that therapeutic effect finishes, need to again disconnect gauge tap or rotary handle afterbody, this is also still unenforced reason of this patent so far.
Summary of the invention
The object of this invention is to provide a kind of clinical follow, practical dental handpiece with delay circuit be convenient to.
For achieving the above object, according to an aspect of the present invention, a kind of dental handpiece with delay circuit is provided, comprise head, hands handle, LED lamp and delay circuit, head is located at the top of handle, LED lamp is arranged on handle, delay circuit is connected with handle, in handle, be provided with air flow electric generator and trachea, air flow electric generator is connected with trachea respectively with turbine head, delay circuit comprises shunt circuit, accumulator, circuit and delay switch circuit when control, shunt circuit is connected with air flow electric generator, LED lamp is connected with delay switch circuit, the circuit when electric current of air flow electric generator output transfers to respectively accumulator and control by shunt circuit, when control, circuit for controlling the access time of delay switch circuit after air flow electric generator stops generating electricity, accumulator is used for after air flow electric generator stops generating for LED lamp provides power supply.
Beneficial effect of the present invention is: when there being air-flow process in the trachea of dental handpiece, in the time of normal operating conditions, when air flow electric generator provides power supply for LED lamp, for accumulator provides charging voltage.In the time there is no air-flow in the trachea of dental handpiece, turbine head is in abnormal operating state, and now, in the time that the electric current process of accumulator output is controlled, circuit, delay switch circuit and LED lamp, continue LED lamp luminous.When control, circuit can be controlled the time of delay switch circuit path, makes automatic distinguishing after luminous a period of time of LED lamp.Therefore, the dental handpiece with delay circuit of the present invention be convenient to clinical follow, can make LED lamp continue automatic distinguishing after luminous a period of time, practical, easy to use, avoid energy waste.
In some embodiments, delay switch circuit comprises delay chip, delay chip respectively with when control circuit the positive pole of outfan, air flow electric generator and LED lamp is connected, thereby the open circuit of control delay switch circuit and opening circuit.
In some embodiments, delay switch circuit comprises the first audion and the second audion, the base stage of the first audion is connected with the outfan of when control circuit, the colelctor electrode of the first audion is connected with the positive pole of LED lamp, the emitter stage of the first audion is connected with the base stage of the second audion, the colelctor electrode of the second audion is connected with the positive pole of LED lamp, ground connection after the emitter stage of the second audion is connected with accumulator.Thus, in the time that the base stage of the first audion is triggered, delay switch circuit is path, and in the time that the base stage of the first audion does not have voltage, delay switch circuit is for opening circuit, thereby realizes the path of delay switch circuit and open circuit.
In some embodiments, when control, circuit comprises the resistance R 1 and the capacitor C 1 that are connected, one end of resistance R 1 is connected with the outfan of shunt circuit, and the other end is connected with the input of delay switch circuit, and capacitor C 1 is connected also ground connection with outfan and the air flow electric generator of shunt circuit respectively.Thus, in the time that air flow electric generator stops generating electricity, capacitor C 1 starts electric discharge, keeps the channel status of delay switch circuit, LED lamp is continued luminous.When capacitor C 1 discharge off, delay switch circuit goes to off state by channel status, LED lamp is stopped luminous.
In some embodiments, shunt circuit comprises diode D1 and D2 in parallel, and the negative pole of diode D1 is connected with the positive pole of accumulator and LED lamp respectively, and the negative pole of diode D2 is connected with the input of when control circuit.Thus, diode D1 and D2 can make electric current one way flow, in the time that air flow electric generator stops generating electricity, make accumulator provide power supply for LED lamp.
In some embodiments, delay circuit is positioned at handle, and is fixedly connected with handle.Thus, delay circuit can hiddenly be arranged in handle.
Brief description of the drawings
Fig. 1 is the structural representation of the dental handpiece with delay circuit of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the delay circuit of the dental handpiece with delay circuit shown in Fig. 1;
Fig. 3 is the circuit diagram of the delay circuit of the dental handpiece with delay circuit shown in Fig. 1;
Fig. 4 is the circuit diagram of the delay circuit of the dental handpiece with delay circuit of the embodiment of the present invention 2 of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Embodiment 1
As depicted in figs. 1 and 2, the dental handpiece with delay circuit of the present embodiment, comprises turbine head 1, handle 2, LED lamp 3 and delay circuit 4.Head 1 is located at the top of handle 2, and LED lamp 3 is arranged on handle 2, and delay circuit 4 is positioned at handle 2, and bonding with handle 2.In handle 2, be provided with air flow electric generator 21 and trachea 22, air flow electric generator 21 and turbine head 1 are tightly connected with trachea 22 respectively.Air-flow in trachea 22, after air flow electric generator 21, then enters turbine head 1 and provides power for turbine head.
Delay circuit 4 comprises shunt circuit 41, accumulator 42, circuit 43 and delay switch circuit 44 when control, the input of shunt circuit 41 is connected with air flow electric generator 21, the outfan of shunt circuit 41 respectively with the input of when control circuit 43, accumulator 42 connects, when control, the outfan of circuit 43 is connected with the input of delay switch circuit 44, accumulator 42 is connected with outfan and the air flow electric generator 21 of delay switch circuit 44 respectively, delay switch circuit 44 is also connected with negative pole and the air flow electric generator 21 of LED lamp 3 respectively, the positive pole of LED lamp 3 is also connected with air flow electric generator 21.When shunt circuit 41, accumulator 42, control, circuit 43 and delay switch circuit 44 are installed on a wiring board, and the inwall of wiring board and handle 2 is bonding.
When there being air-flow process in the trachea of dental handpiece, in the time of normal operating conditions, the flow direction of electric current is: electric current I is divided into electric current I 1, I2 and I3 from shunt circuit 41, and electric current I 1 is through accumulator 42, for accumulator 42 provides charging voltage, be back to air flow electric generator 21.Electric current I 2 is back to air flow electric generator 21 after LED lamp 3, makes LED lamp 3 luminous.Circuit 43 when electric current I 3 enters control, in the time of control, circuit 43 enters delay switch circuit 44, and current trigger delay switch circuit 44, makes delay switch circuit 44 in channel status, makes can be back to air flow electric generator 21 through the electric current I 2 of LED lamp 3.Now, accumulator 42 and LED lamp 3 are in parallel.
In the time there is no air-flow in the trachea of dental handpiece, turbine head is in abnormal operating state, and now, the flow direction of electric current is: the electric current I 4 of exporting from accumulator 42 enters LED lamp 3.When control, the circuit 43 Time delay on-off circuit 44 that discharges, makes delay switch circuit 44 in channel status, make electric current I 4 be back to accumulator 42 through LED lamp 3, thereby it is luminous that LED lamp 3 is continued.In the time of control, circuit 43 stops after electric discharge, and delay switch circuit 44, in off state, stops LED lamp 3 luminous.Therefore, when control, circuit 43 can be controlled the time of delay switch circuit 44 paths, makes automatic distinguishing after luminous a period of time of LED lamp 3.
Fig. 3 is the circuit diagram of delay circuit 4, it should be noted that, accumulator 42 represents with symbol U, and LED lamp 3 represents with symbol L, and air flow electric generator 21 represents with symbol G, and the first audion represents with symbol VT1, and the second audion represents with symbol VT2.
As shown in Figure 3, shunt circuit 41 comprises diode D3 and diode D1 and diode D2 in parallel, and the positive pole of diode D3 is connected with accumulator G, and negative pole is connected with the positive pole of diode D1 and diode D2 respectively.When control, circuit 43 comprises the resistance R 1 and the capacitor C 1 that are connected, and delay switch circuit 44 comprises the first audion VT1 and the second audion VT2.The negative pole of diode D1 is connected with accumulator U and LED lamp L respectively, and the negative pole of diode D2 is connected with resistance R 1 and capacitor C 1 respectively.The base stage of the first audion VT1 is connected with resistance R 1, and colelctor electrode is connected with the negative pole of LED lamp L, and emitter stage is connected with the base stage of the first audion VT2.The colelctor electrode of the second audion VT2 is connected with the positive pole of LED lamp L, ground connection after emitter stage is connected with capacitor C 1 and accumulator U respectively.
In the time that air flow electric generator G generates electricity, the base stage of the first audion VT1 is triggered, and making can be through the second audion VT2 through the electric current of LED lamp L, thereby makes LED lamp L luminous.And accumulator U and capacitor C 1 are all charged.In the time that air flow electric generator G stops generating electricity, capacitor C 1 starts electric discharge, and the base stage of the first audion VT1 is triggered, and keeping the second audion VT2 is channel status, LED lamp L is continued luminous.When capacitor C 1 discharge off, the second audion VT2 goes to off state by channel status, and LED lamp L lamp stops luminous.Therefore, the size of control capacittance C1 and resistance R 1, can realize the adjustment of LED lamp L fluorescent lifetime after air flow electric generator G stops generating electricity.The dental handpiece with delay circuit of the present embodiment is convenient to clinical follow, can make LED lamp continue luminous a period of time after automatic distinguishing, practical, easy to use, avoid energy waste.
Embodiment 2
The dental handpiece with delay circuit of the present embodiment is substantially the same manner as Example 1, and difference is: the circuit structure difference of both delay circuits.
Fig. 4 is the circuit diagram of the delay circuit 4 of the dental handpiece of the present embodiment, it should be noted that, accumulator 42 represents with symbol U, and LED lamp 3 represents with symbol L, and air flow electric generator 21 represents with symbol G.
As shown in Figure 4, shunt circuit 41 comprises resistance R 2, capacitor C 2, diode D1 and D2, and when control, circuit 43 comprises resistance R 1 and capacitor C 1, and delay switch circuit 44 comprises delay chip and capacitor C 3, and wherein delay chip is IC555 chip.One end of capacitor C 2 is connected with air flow electric generator G, and the other end is connected with 2 feet of IC555 chip.2,6,7 feet of IC555 chip are connected with one end of resistance R 1, one end of capacitor C 1, the positive pole of diode D2, one end of resistance R 2 after being connected.After connecting, 4,8 feet of IC555 chip are connected with the other end of resistance R 1, the negative pole of diode D2, the other end of resistance R 2, the negative pole of diode D1.One end of capacitor C 3 is connected with 5 feet of IC555 chip, and the other end is connected with the other end of capacitor C 1 and 1 foot of IC555 chip and ground connection.The negative pole of LED lamp L is connected with 3 feet of IC555 chip, and positive pole is connected with accumulator U and air flow electric generator G.
In the time that air flow electric generator G generates electricity, 2 feet of IC555 chip are triggered, and can be back to air flow electric generator G, thereby make LED lamp L luminous through the electric current of LED lamp L.And accumulator U and capacitor C 1 are all charged.In the time that air flow electric generator G stops generating electricity, capacitor C 1 starts electric discharge, and 1 foot of IC555 chip is triggered, and keeping 3 feet of IC555 chip is channel status, LED lamp L is continued luminous.When capacitor C 1 discharge off, 3 feet of IC555 chip go to off state by channel status, and LED lamp L lamp stops luminous.Therefore, the size of control capacittance C1 and resistance R 1, can realize the adjustment of LED lamp L fluorescent lifetime after air flow electric generator G stops generating electricity.The dental handpiece with delay circuit of the present embodiment is convenient to clinical follow, can make LED lamp continue luminous a period of time after automatic distinguishing, practical, easy to use, avoid energy waste.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. the dental handpiece with delay circuit, it is characterized in that, comprise turbine head (1), handle (2), LED lamp (3) and delay circuit (4), described head (1) is located at the top of handle (2), described LED lamp (3) is arranged on handle (2), described delay circuit (4) is connected with handle (2), in described handle (2), be provided with air flow electric generator (21) and trachea (22), described air flow electric generator (21) is connected with trachea (22) respectively with turbine head (1), described delay circuit (4) comprises shunt circuit (41), accumulator (42), circuit when control (43) and delay switch circuit (44), described shunt circuit (41) is connected with air flow electric generator (21), described LED lamp (3) is connected with delay switch circuit (44), circuit (43) when the electric current of described air flow electric generator (21) output transfers to respectively accumulator (42) and control by described shunt circuit (41), after stopping generating electricity, described when control circuit (43) air flow electric generator (21) controls the access time of delay switch circuit (44), described accumulator (42) provides power supply for LED lamp (3) for stopping at air flow electric generator (21) after generating.
2. the dental handpiece with delay circuit according to claim 1, it is characterized in that, described delay switch circuit (44) comprises delay chip, and described delay chip is connected with the positive pole of outfan, air flow electric generator (21) and the LED lamp (3) of when control circuit (43) respectively.
3. the dental handpiece with delay circuit according to claim 1, it is characterized in that, described delay switch circuit (44) comprises the first audion and the second audion, the base stage of described the first audion is connected with the outfan of when control circuit (43), the colelctor electrode of the first audion is connected with the positive pole of LED lamp (3), the emitter stage of the first audion is connected with the base stage of the second audion, the colelctor electrode of the second audion is connected with the positive pole of LED lamp (3), ground connection after the emitter stage of the second audion is connected with accumulator (42).
4. the dental handpiece with delay circuit according to claim 1, it is characterized in that, when described control, circuit (43) comprises the resistance R 1 and the capacitor C 1 that are connected, one end of described resistance R 1 is connected with the outfan of shunt circuit (41), the other end is connected with the input of delay switch circuit (44), and capacitor C 1 is connected also ground connection with outfan and the air flow electric generator (21) of shunt circuit (41) respectively.
5. the dental handpiece with delay circuit according to claim 1, it is characterized in that, described shunt circuit (41) comprises diode D1 and D2 in parallel, the negative pole of described diode D1 is connected with the positive pole of accumulator (42) and LED lamp (3) respectively, and the negative pole of described diode D2 is connected with the input of when control circuit (43).
6. according to the dental handpiece with delay circuit described in claim 1～5 any one, it is characterized in that, described delay circuit (4) is positioned at handle (2), and is fixedly connected with handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192775.3A CN103948439A (en) | 2014-05-08 | 2014-05-08 | Dental handpiece with delay circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192775.3A CN103948439A (en) | 2014-05-08 | 2014-05-08 | Dental handpiece with delay circuit |
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| Publication Number | Publication Date |
|---|---|
| CN103948439A true CN103948439A (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410192775.3A Pending CN103948439A (en) | 2014-05-08 | 2014-05-08 | Dental handpiece with delay circuit |
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| CN (1) | CN103948439A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852989A (en) * | 2016-05-27 | 2016-08-17 | 余礼建 | Self-generating lighting dental handpiece |
| CN107582187A (en) * | 2017-10-25 | 2018-01-16 | 宝鸡市永盛泰钛业有限公司 | Titanium alloy dental handpiece with delay circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852989A (en) * | 2016-05-27 | 2016-08-17 | 余礼建 | Self-generating lighting dental handpiece |
| CN107582187A (en) * | 2017-10-25 | 2018-01-16 | 宝鸡市永盛泰钛业有限公司 | Titanium alloy dental handpiece with delay circuit |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140730 Assignee: Foshan Sheng Jian Medical Instrument Co., Ltd. Assignor: Yu Lijian Contract record no.: 2015440000579 Denomination of invention: Dental handpiece with delay circuit License type: Exclusive License Record date: 20150820 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Foshan Sheng Jian Medical Instrument Co., Ltd. Assignor: Yu Lijian Contract record no.: 2015440000579 Date of cancellation: 20160330 |
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Application publication date: 20140730 |