CN203873899U - Dental handpiece with delay circuit - Google Patents
Dental handpiece with delay circuit Download PDFInfo
- Publication number
- CN203873899U CN203873899U CN201420234306.9U CN201420234306U CN203873899U CN 203873899 U CN203873899 U CN 203873899U CN 201420234306 U CN201420234306 U CN 201420234306U CN 203873899 U CN203873899 U CN 203873899U
- Authority
- CN
- China
- Prior art keywords
- circuit
- delay
- led lamp
- air flow
- electric generator
- 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.)
- Expired - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims description 22
- 210000003437 trachea Anatomy 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 10
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000002980 postoperative effect Effects 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 16
- 230000001960 triggered effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000000214 mouth Anatomy 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a dental handpiece with a delay circuit, which comprises a head, a grip, an LED (light-emitting diode) lamp and a delay circuit, wherein the head is arranged at the top end of the grip; the LED lamp is mounted on the grip; the delay circuit is connected with the grip; an air flow generator and air tube are arranged in the grip; the air flow generator and the turbine head are respectively connected with the air tube; the delay circuit comprises a divided circuit, a storage battery, a time control circuit and a time delay switch circuit; the divided circuit is connected with the air flow generator; the LED lamp is connected with the time delay switch circuit; current output by the air flow generator passes through the divided circuit and is respectively transmitted to the storage battery and the time control circuit; the time control circuit is used for controlling the turn-on time of the time delay switch circuit after the air flow generator stops generation; and the storage battery is used for supplying power to the LED lamp after the air flow generator stops generation. According to the utility model, the dental handpiece with a delay circuit is convenient for postoperative observation, can realize that the LED lamp is automatically extinguished after continuously emitting light for a period of time, is high in practicality and convenient to use, and avoids waste of resources.
Description
Technical field
This utility model 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 being arranged on the LED lamp of head below, provide power supply, thereby reach illumination object.When turbine head is not worked, while there is no airflow passes in pipeline, air flow electric generator cannot provide power supply for LED lamp.During 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 this patent unenforced reason still so far.
Utility model content
The purpose of this utility model 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 utility model, 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 during 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, during 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.
The beneficial effects of the utility model are: in the trachea of dental handpiece, have air-flow process, when normal operating conditions, when air flow electric generator provides power supply for LED lamp, for accumulator provides charging voltage.While there is no air-flow in the trachea of dental handpiece, turbine head is in abnormal operating state, and now, when the electric current process of accumulator output is controlled, circuit, delay switch circuit and LED lamp, continue LED lamp luminous.During control, circuit can be controlled the time of delay switch circuit path, makes LED lamp automatic distinguishing after luminous a period of time.Therefore, the dental handpiece with delay circuit of the present utility model be convenient to clinical follow, can make LED lamp continue luminous a period of time after automatic distinguishing, practical, easy to use, avoid energy waste.
In some embodiments, delay switch circuit comprises delay chip, delay chip respectively with when control circuit outfan, air flow electric generator and the positive pole of 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, when the base stage of the first audion is triggered, delay switch circuit is path, and when 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, during control, circuit comprises resistance R 1 and the capacitor C 1 being 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 with air flow electric generator and ground connection with the outfan of shunt circuit respectively.Thus, when 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.During 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 LED lamp with accumulator 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, when 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dental handpiece with delay circuit of this utility model embodiment 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 with the circuit diagram of the delay circuit of the dental handpiece of delay circuit shown in Fig. 1;
Fig. 4 is the circuit diagram of delay circuit of the dental handpiece with delay circuit of this utility model this utility model embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
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 during 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, during control, the outfan of circuit 43 is connected with the input of delay switch circuit 44, accumulator 42 is connected with air flow electric generator 21 with the outfan of delay switch circuit 44 respectively, delay switch circuit 44 is also connected with air flow electric generator 21 with the negative pole 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.
In the trachea of dental handpiece, have air-flow process, when normal operating conditions, the flow direction of electric current is: electric current I is divided into electric current I from shunt circuit 41
1, I
2and I
3, electric current I
1through accumulator 42, for accumulator 42 provides charging voltage, be back to air flow electric generator 21.Electric current I
2after LED lamp 3, be back to air flow electric generator 21, make LED lamp 3 luminous.Electric current I
3circuit 43 while entering control, when control, circuit 43 enters delay switch circuit 44, and current trigger delay switch circuit 44, makes delay switch circuit 44 in channel status, makes the electric current I through LED lamp 3
2can be back to air flow electric generator 21.Now, accumulator 42 and LED lamp 3 are in parallel.
While 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: from the electric current I of accumulator 42 outputs
4enter LED lamp 3.During control, circuit 43 electric discharge Time delay on-off circuits 44, make delay switch circuit 44 in channel status, make electric current I
4can be back to accumulator 42 through LED lamp 3, thereby it is luminous that LED lamp 3 is continued.When control, circuit 43 stops after electric discharge, and delay switch circuit 44, in off state, stops LED lamp 3 luminous.Therefore, during control, circuit 43 can be controlled the time of delay switch circuit 44 paths, makes LED lamp 3 automatic distinguishing after luminous a period of time.
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 D2 with diode D1 respectively.During control, circuit 43 comprises resistance R 1 and the capacitor C 1 being 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 LED lamp L with accumulator U respectively, and the negative pole of diode D2 is connected with capacitor C 1 with resistance R 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 accumulator U with capacitor C 1 respectively.
When 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 recharged.When 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.During 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 of both delay circuits is different.
Fig. 4 is the circuit diagram of 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 during 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.After 2,6,7 feet of IC555 chip are connected with one end of resistance R 1, the positive pole of one end of capacitor C 1, diode D2, one end of resistance R 2 be connected.After 4,8 feet of IC555 chip connect with the other end of resistance R 1, the other end of the negative pole of diode D2, resistance R 2, the negative pole of diode D1 be connected.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 air flow electric generator G with accumulator U.
When air flow electric generator G generates electricity, 2 feet of IC555 chip are triggered, and the electric current of process LED lamp L can be back to air flow electric generator G, thereby makes LED lamp L luminous.And accumulator U and capacitor C 1 are all recharged.When 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.During 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 embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of this utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. with the dental handpiece of 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 during 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 outfan, air flow electric generator (21) and the positive pole of 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, during described control, circuit (43) comprises resistance R 1 and the capacitor C 1 being 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 with air flow electric generator (21) and ground connection with the outfan 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 LED lamp (3) with accumulator (42) 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 |
|---|---|---|---|
| CN201420234306.9U CN203873899U (en) | 2014-05-08 | 2014-05-08 | Dental handpiece with delay circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234306.9U CN203873899U (en) | 2014-05-08 | 2014-05-08 | Dental handpiece with delay circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203873899U true CN203873899U (en) | 2014-10-15 |
Family
ID=51674457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420234306.9U Expired - Lifetime CN203873899U (en) | 2014-05-08 | 2014-05-08 | Dental handpiece with delay circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203873899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948439A (en) * | 2014-05-08 | 2014-07-30 | 余礼建 | Dental handpiece with delay circuit |
-
2014
- 2014-05-08 CN CN201420234306.9U patent/CN203873899U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948439A (en) * | 2014-05-08 | 2014-07-30 | 余礼建 | Dental handpiece with delay circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE435588T1 (en) | X-RAY DEVICE AND ASSOCIATED VOLTAGE GENERATOR | |
| CN104039057A (en) | Constant luminous flux LED module control circuit | |
| CN204739523U (en) | Solar energy eyeshield desk lamp | |
| CN203873899U (en) | Dental handpiece with delay circuit | |
| CN103948439A (en) | Dental handpiece with delay circuit | |
| CN102359451A (en) | Solar-charging-type multifunctional electric fan | |
| CN203984749U (en) | A kind of stepless dimming Touching controlling lamp | |
| CN109451640B (en) | Pulse xenon lamp driver | |
| CN103091634B (en) | A kind of battery electric quantity indicating circuit, instruction device and light fixture | |
| CN213991088U (en) | Solar street lamp device with uninterrupted illumination | |
| CN205331901U (en) | Intelligence flashlight with prevent voltage stabilizing circuit against current | |
| CN205986294U (en) | LED power supply circuit based on solar charging | |
| CN101947137B (en) | Wind and light dental hand-piece with electric power storage module | |
| CN104582150B (en) | A kind of constant current compensation solar LED street lamp | |
| CN201852017U (en) | Solar-energy corridor energy-saving lamp based on sound-light-electricity control | |
| CN203642051U (en) | Low-power-consumption wind energy and solar energy street lamp | |
| CN201739931U (en) | Self-generating LED lamp device | |
| CN112842240A (en) | Tonsil inspection lighting device control circuit | |
| CN206656167U (en) | Bulb lamp and its circuit | |
| CN107027226B (en) | It is a kind of with the photosensitive chargeable LED flashlight circuit for lightening function | |
| CN206361602U (en) | A kind of hydroelectric generation lamp | |
| CN107582187A (en) | Titanium alloy dental handpiece with delay circuit | |
| CN204597921U (en) | Energy-saving electric power switching device | |
| CN205208386U (en) | Emergent electric power storage LED lamp | |
| CN206237650U (en) | A kind of field rescue illuminating lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Sheng Jian Medical Instrument Co.,Ltd. Assignor: Yu Lijian Contract record no.: 2015440000580 Denomination of utility model: Dental handpiece with delay circuit Granted publication date: 20141015 License type: Exclusive License Record date: 20150820 |
|
| 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.: 2015440000580 Date of cancellation: 20160330 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |