CN204256417U - Ultrasonic listening water control device - Google Patents
Ultrasonic listening water control device Download PDFInfo
- Publication number
- CN204256417U CN204256417U CN201420597685.8U CN201420597685U CN204256417U CN 204256417 U CN204256417 U CN 204256417U CN 201420597685 U CN201420597685 U CN 201420597685U CN 204256417 U CN204256417 U CN 204256417U
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- Prior art keywords
- circuit
- mouthwash
- ultrasonic
- distance
- measuring module
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000002324 mouth wash Substances 0.000 claims abstract description 32
- 229940051866 mouthwash Drugs 0.000 claims abstract description 32
- 238000002560 therapeutic procedure Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 206010011409 Cross infection Diseases 0.000 abstract description 4
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 101100156949 Arabidopsis thaliana XRN4 gene Proteins 0.000 description 1
- 101100215777 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ain1 gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to a kind of ultrasonic listening water control device, belongs to automatically taking water control device on dental multipurpose therapy unit.Its technical characteristics is formed by power circuit, control circuit power supply, ultrasonic distance measuring module, control circuit, mouthwash solenoid valve, and is passed through connection each other.Adopt ultrasonic distance measuring module to detect the distance of water tumbler, judge that the distance length of water tumbler exports the unlatching and closure signal controlling mouthwash solenoid valve by control circuit.The utility model circuit structure is simple, working stability is reliable, automaticity is high, based on the non-contact control device of ultrasonic ranging, curer can be made need not to press mouthwash button and just to reach effective control to mouthwash break-make, dental multipurpose therapy unit carries out mouthwash take there is safe, practical and easy to operate feature, can't cross-infection be produced.
Description
Technical field
The utility model relates to the water control device that a kind of dental multipurpose therapy unit is gargled, and particularly relates to a kind of ultrasonic listening water control device, is a kind of control device that ultrasonic distance measuring module carries out mouthwash and takes on dental multipurpose therapy unit.Belong to electronic products manufacturing technology field in medicine equipment.
Background technology
The dental multipurpose therapy unit of current domestic production, the break-make of taking major part employing manual mode operation panel Controlling solenoid valve of mouthwash, belongs to contact pressing switch control rule mode.Like this because contact easily causes cross-infection between patient by the control mode compressed switch, and guidance panel is once break down, and mouthwash is then in long logical state, can not turn off, not only waste tap water, also delay the treatment to patient.
Utility model content
The purpose of this utility model is the problem easily producing cross-infection in order to solve existing dental multipurpose therapy unit contact pressing mouthwash on-off mode, thus provides and take to mouthwash a kind of ultrasonic listening water control device adopting electronic type cordless to open and close.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of ultrasonic listening water control device, adopt ultrasonic distance measuring module detection water tumbler to the distance of module, judge that this distance length exports the unlatching and closure signal that control mouthwash solenoid valve by control circuit, it includes power circuit, control circuit power supply, ultrasonic distance measuring module, control circuit, mouthwash solenoid valve, they are connected by circuit successively;
Described power circuit, power input part divides to be introduced through JP1 plug-in unit by external power supply AC24V, and the VCC_24V end of out-put supply DC24V and DC12V after rectification, power supply DC24V is supplied to the JP4 plug-in unit of control circuit; Power supply DC12V is supplied to control circuit power supply;
Power circuit inside is provided with overcurrent protection, over-temperature protection and output short circuit protection;
Described control circuit power supply, is supplied to ultrasonic distance measuring module and control circuit use for power supply DC12V is become DC5V by change-over circuit;
Described ultrasonic distance measuring module, automatically detects with or without water tumbler, and provides the response signal be directly proportional to distance;
Described control circuit is made up of CPU processor, driving circuit and control relay circuit, the make-and-break signal that it is held to the distance cut to lengthen GND of module according to water tumbler, and is supplied to JP4 plug-in unit; Outside mouthwash solenoid valve is connected on the control circuitry by JP4 plug-in unit;
CPU processor calculates the distance of water tumbler to module according to the water tumbler response signal that ultrasonic distance measuring module provides, according to this distance, the I/O mouth closure signal controlling mouthwash is supplied to driving circuit, signal is supplied to mouthwash solenoid valve export to control relay circuit again after driving circuit strengthens after.
Ultrasonic distance measuring module adopts HC-SR04 ultrasonic distance measuring module, and can provide the contactless sensing function of 2cm-400cm, distance accuracy can up to 3mm, and it comprises VCC5V power supply, ground terminal, TRIG trigger pip input end and ECHO response signal output terminal.
CPU processor is supplied to the high level signal of the TRIG trigger pip input end at least 10 μ s of ultrasonic distance measuring module by I/O mouth, ultrasonic distance measuring module is tested with automatically without water tumbler, and have high level signal to return, this high level is supplied to another I/O mouth of CPU processor by ECHO response signal output terminal, after CPU processor collects this high level, measure the time that high level continues, this time is exactly ultrasound wave time of returning when launching and water tumbler detected, is calculated the distance of water tumbler according to this time again by CPU processor.
The water tumbler distance calculated compares with the distance range set by CPU processor, if result is within the distance range of setting, then CPU processor exports high level signal and controls described driving circuit and mouthwash solenoid valve opened by control relay circuit, realizes the outflow of mouthwash in therapeutic process.
Described driving circuit adopts high withstand voltage, big current Darlington ULN2003, and it has the features such as current gain is high, operating voltage is high, temperature range is wide, carrying load ability is strong, is applicable to the system that each generic request high-speed high-power drives.
The utility model is compared with prior art advantageously: circuit structure is simple, working stability is reliable, automaticity is high, based on the non-contact control device of ultrasonic ranging, curer can be made need not to press mouthwash button and just can reach effective control to mouthwash break-make, dental multipurpose therapy unit carries out mouthwash take there is safe, practical and easy to operate feature, can't cross-infection be produced.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of embodiment schematic block circuit diagram of the utility model;
Accompanying drawing 2 is electrical schematic diagrams of power circuit (1) in the utility model accompanying drawing 1;
Accompanying drawing 3 is electrical schematic diagrams of control circuit power supply (2) in the utility model accompanying drawing 1;
Accompanying drawing 4 is connection electrical schematic diagrams of CPU processor (6) and other circuit in the utility model accompanying drawing 1;
Accompanying drawing 5 is electrical schematic diagrams of driving circuit (7) in the utility model accompanying drawing 1;
Accompanying drawing 6 is electrical schematic diagrams of the utility model accompanying drawing 1 repeat circuit control circuit (8).
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with accompanying drawing:
A kind of ultrasonic listening water control device, it is the application utilizing ultrasonic ranging on dental multipurpose therapy unit.It consists of connection power circuit 1, control circuit power supply 2, ultrasonic distance measuring module 3, control circuit 4, mouthwash solenoid valve 5.Control circuit 4 is made up of CPU processor 6, driving circuit 7 and control relay circuit 8.High level response signal can be exported to CPU processor 6 after ultrasonic distance measuring module 3 detects water tumbler, the time continued according to high level response signal is calculated the distance of water tumbler by existing range formula by CPU processor 6, then determine the state of the I/O mouth controlling mouthwash, thus reach the open and close controlling mouthwash solenoid valve 5.
Ultrasonic distance measuring module 3 adopts HC-SR04 ultrasonic distance measuring module, and it is good that it has direction, and penetration capacity is strong, and energy is easy to the feature such as concentrated, and it can detect the echo of water tumbler and be supplied to CPU processor 6 and process.
CPU processor 6: the trigger pip of ultrasonic distance measuring module 3 is provided and gathers response signal duration and calculate the distance of water tumbler, and by comparing with the distance range set, export the high level signal controlling mouthwash solenoid valve 5 and open.
Accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 are the built-up circuit schematic diagram on the utility model ultrasonic listening water control device, and the principle of work of its control device, signal flow and function are as follows:
Power circuit 1: as shown in Figure 2, JP1 plug-in unit access AC24V power supply, after the current rectifying and wave filtering circuit of annular rectification D1, filter capacitor C1 ~ C2 composition, be converted to direct supply DC24V, direct supply is on the one hand after the power-switching circuit be made up of switching power source chip U1 (switching type power supply chip model is LM2576), voltage stabilizing diode D2, telefault L1, resistance R1 ~ R2, electric capacity C3 ~ C4, change VCC_12V power supply into, be supplied to control circuit power supply 2; On the other hand VCC_24V end is supplied to the JP4 plug-in unit of control circuit 4.
Control circuit power supply 2: as shown in Figure 3, VCC_12V power supply is converted to 5V power supply (VCC_5V through the change-over circuit of three-terminal voltage-stabilizing power supply U2 (the chip model of three-terminal voltage-stabilizing power supply is LM317T), resistance R4 ~ R5, diode D4 ~ D5, electric capacity C9 ~ C10, electric capacity C11 ~ C15 composition, GND), can work for CPU processor 6 and ultrasonic distance measuring module 3.
CPU processor 6: as shown in Figure 4, the ATMEGA16 of Ai Te Mel semiconductor company of the U.S. selected by CPU processor 6, it is the AVR single chip of a high-performance, low-power consumption, there is advanced risc architecture, non-volatile program and data-carrier store, the features such as operating voltage range is wide, and power supply antijamming capability is strong.The pulse triggering signal of 10 more than μ s is supplied to ultrasonic distance measuring module 3 by TRIG end through current-limiting resistance R13 by the signal output part PB4 (SS#) of CPU processor 6, ultrasonic distance measuring module 3 sends the square wave of 8 40kHZ automatically, when detecting that there is water tumbler in front, then have signal to return, and export a high level by I/O mouth ECHO, the I/O mouth PB3 (AIN1) of CPU processor 6 is after ECHO port processing to high level, measure high level duration simultaneously, at this moment just distance can be gone out by formulae discovery: water tumbler distance=(high level time × velocity of sound (340M/S))/2.With the distance range set after distance calculates, this distance is the distance of patient's optimum operation, and this distance is compared, if water tumbler distance meets the distance range set, then CPU processor 6 exports a CUP high level by I/O mouth PC2 (TCK).
Driving circuit 7: as shown in Figure 5, CUP high level signal is input to 7 pin of ULN2003 driving circuit, and at this moment 10 pin of ULN2003 driving circuit export CUPO low level after magnetic bead R42 is anti-interference.
Control relay circuit 8: as shown in Figure 6, CUPO low level signal outputs to relay K 2 after electric capacity C6, C11, diode D6 filtering, relay K 2 adhesive, GND end is supplied to JP4 plug-in unit, then realizes the control that mouthwash solenoid valve 5 is opened.
Claims (5)
1. ultrasonic listening water control device, it is characterized in that: adopt ultrasonic distance measuring module detection water tumbler to the distance of module, judge that this distance length exports the unlatching and closure signal that control mouthwash solenoid valve by control circuit, it includes power circuit (1), control circuit power supply (2), ultrasonic distance measuring module (3), control circuit (4), mouthwash solenoid valve (5), they are connected by circuit successively;
Described power circuit (1), power input part divides to be introduced through JP1 plug-in unit by external power supply AC24V, and the VCC_24V end of out-put supply DC24V and DC12V after rectification, power supply DC24V is supplied to the JP4 plug-in unit of control circuit (4); Power supply DC12V is supplied to control circuit power supply (2);
Power circuit (1) inside is provided with overcurrent protection, over-temperature protection and output short circuit protection;
Described control circuit power supply (2), is supplied to ultrasonic distance measuring module (3) and control circuit (4) use for power supply DC12V is become DC5V by change-over circuit;
Described ultrasonic distance measuring module (3), automatically detects with or without water tumbler, and provides the response signal be directly proportional to distance;
Described control circuit (4) is made up of CPU processor (6), driving circuit (7) and control relay circuit (8), the make-and-break signal that it is held to the distance cut to lengthen GND of module according to water tumbler, and be supplied to JP4 plug-in unit; Outside mouthwash solenoid valve (5) is connected on control circuit (4) by JP4 plug-in unit;
CPU processor (6) calculates the distance of water tumbler to module according to the water tumbler response signal that ultrasonic distance measuring module (3) provides, according to this distance, the I/O mouth closure signal controlling mouthwash is supplied to driving circuit (7), signal is supplied to mouthwash solenoid valve (5) export to control relay circuit (8) again after driving circuit (7) strengthens after.
2. ultrasonic listening water control device according to claim 1, it is characterized in that: ultrasonic distance measuring module (3) adopts HC-SR04 ultrasonic distance measuring module, the contactless sensing function of 2cm-400cm can be provided, distance accuracy can up to 3mm, and it comprises VCC5V power supply, ground terminal, TRIG trigger pip input end and ECHO response signal output terminal.
3. ultrasonic listening water control device according to claim 1, it is characterized in that: CPU processor (6) is supplied to the high level signal of the TRIG trigger pip input end at least 10 μ s of ultrasonic distance measuring module (3) by I/O mouth, ultrasonic distance measuring module (3) is tested with automatically without water tumbler, and have high level signal to return, this high level is supplied to another I/O mouth of CPU processor (6) by ECHO response signal output terminal, after CPU processor (6) collects this high level, measure the time that high level continues, this time is exactly ultrasound wave time of returning when launching and water tumbler detected, calculated the distance of water tumbler again by CPU processor (6) according to this time.
4. ultrasonic listening water control device according to claim 1 or 3, it is characterized in that: the water tumbler distance calculated compares with the distance range set by CPU processor (6), if result is within the distance range of setting, then CPU processor (6) exports high level signal and controls described driving circuit (7) and mouthwash solenoid valve (5) opened by control relay circuit (8), realizes the outflow of mouthwash in therapeutic process.
5. ultrasonic listening water control device according to claim 1, it is characterized in that: described driving circuit (7) adopts high withstand voltage, big current Darlington ULN2003, it has the advantages that current gain is high, operating voltage is high, temperature range is wide, carrying load ability is strong, is applicable to the system that each generic request high-speed high-power drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420597685.8U CN204256417U (en) | 2014-09-27 | 2014-09-27 | Ultrasonic listening water control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420597685.8U CN204256417U (en) | 2014-09-27 | 2014-09-27 | Ultrasonic listening water control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204256417U true CN204256417U (en) | 2015-04-08 |
Family
ID=52960704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420597685.8U Expired - Fee Related CN204256417U (en) | 2014-09-27 | 2014-09-27 | Ultrasonic listening water control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204256417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267648A (en) * | 2014-09-27 | 2015-01-07 | 咸阳西北医疗器械(集团)有限公司 | Ultrasonic detection water obtaining control device |
| WO2021168712A1 (en) * | 2020-02-26 | 2021-09-02 | 华为技术有限公司 | Signal receiving method and device, medium, and radar system |
-
2014
- 2014-09-27 CN CN201420597685.8U patent/CN204256417U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267648A (en) * | 2014-09-27 | 2015-01-07 | 咸阳西北医疗器械(集团)有限公司 | Ultrasonic detection water obtaining control device |
| WO2021168712A1 (en) * | 2020-02-26 | 2021-09-02 | 华为技术有限公司 | Signal receiving method and device, medium, and radar system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 712000 Xianyang province Shaanxi City Weicheng District Bi Yuan Road No. 3 Patentee after: SINOL DENTAL LTD. Address before: 712000 Shaanxi Province, Xianyang City, the original road, No. 3 Patentee before: XIANYANG NORTHWEST MEDICAL INSTRUMENT (Group) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |