CN107049696B - Negative pressure suction signal monitor for dental chair - Google Patents
Negative pressure suction signal monitor for dental chair Download PDFInfo
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- CN107049696B CN107049696B CN201710036075.9A CN201710036075A CN107049696B CN 107049696 B CN107049696 B CN 107049696B CN 201710036075 A CN201710036075 A CN 201710036075A CN 107049696 B CN107049696 B CN 107049696B
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- 230000000007 visual effect Effects 0.000 claims description 23
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- 238000001514 detection method Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000012806 monitoring device Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
- A61G15/10—Parts, details or accessories
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
- A61G2203/20—Displays or monitors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
Abstract
The utility model discloses a dental chair negative pressure suction signal monitor, relates to dental equipment and is used for solving the problem that a dental electric suction system is easy to be in an operation state all the time due to faults. The intelligent dental chair comprises a plurality of dental chairs and monitoring equipment which are connected in parallel, wherein the monitoring equipment comprises an input module for collecting a dental chair negative pressure start-stop input signal Y0, a singlechip MCU, a singlechip expansion module and a power module, and the output module is used for collecting a dental chair negative pressure start-stop output signal Y1. The electric dental suction system is prevented from being in an operation state all the time due to faults, the faults are removed in time, and the electric dental suction system has a prompt and warning function.
Description
Technical Field
The utility model relates to a dental apparatus, in particular to a dental chair negative pressure suction signal monitor.
Background
The dental negative pressure suction system can reduce the requirement for compressed air, thereby improving the efficiency and the service life of the compressor; secondly, sucking away the 'spray cloud', thereby creating a good treatment sight for doctors, and medical staff can perform work more confident; thirdly, the air purifier has the function of purifying the ambient air of the consulting room, can better protect the health of doctors, nurses and patients, and is an essential device for preventing cross infection and environmental sanitation of the consulting room; fourth, the swallowing reaction of the patient is reduced, the spitting times of the patient are reduced, the comfort level of the patient is increased, and the working efficiency of doctors is improved; fifth, all exhaust air sucked into the dental suction machine is filtered by the air filter and then discharged outdoors.
Patent document 200410094936.1 discloses a control device for a separator (1), comprising: a drain pump (2) powered by a first motor (6) and a suction pump (8) powered by a second motor (12). It also includes: sensor means of a known type for detecting an operating parameter of the separator (1), such as the liquid pressure at the outlet, the ambient temperature, the motor temperature, and for providing a command signal proportional to the operating parameter and for commanding the inverter (20, 21) to modify the frequency of the supply current to the first motor (6) and the second motor (12) when it receives the command signal.
Patent document 201280013015. X discloses a compact suction unit suitable for dental and medical purposes, i.e. to equip the suction machine with a radial turbine (132, 134) having a small diameter, which is driven at high speed by an electrically commutated motor (36). For sound insulation, the suction machine (34) and the motor (36) are each provided with a water jacket (90; 110) which is bounded on the outside by a housing (58) which is made of sound-absorbing plastic material.
Patent document 201520793181.8 discloses a dental electric suction system, which comprises a vacuum pump, a gas-liquid separator and a base, wherein the upper end of the vacuum pump is provided with an air suction port and an air exhaust port, the gas-liquid separator is positioned below the vacuum pump, the gas-liquid separator is provided with a suction port and a sewage outlet, an end cover is fixed between the vacuum pump and the gas-liquid separator in a sealing way, the lower part of the vacuum pump is provided with a second air suction port communicated with the air suction port, and a channel communicated with the inner cavity of the second air suction port and the gas-liquid separator is arranged in the end cover. The utility model has simple structure and flexible design, and the end cover is arranged between the vacuum pump and the gas-liquid separator, and the channel communicated with the second air suction port of the vacuum pump and the gas-liquid separator is arranged in the end cover, so that the shorter channel replaces the traditional longer pipeline, on one hand, the suction force of the whole dental electric suction system can be improved, on the other hand, the load of the vacuum pump can be reduced, the service life of the vacuum pump can be prolonged, and the stability of the vacuum degree of the whole system can be improved.
Patent document 20162067215. X discloses a frequency conversion control dental electric suction system, which comprises a vacuum pump and a gas-liquid separator, wherein a pressure transmitter is arranged on the gas-liquid separator, the vacuum pump is connected with the frequency converter, and the pressure transmitter and the frequency converter are both connected with a control system. The utility model adopts the mode that the frequency converter is matched with the pressure transmitter, can compare the vacuum degree value of the dental comprehensive treatment system measured by the pressure transmitter with the set vacuum degree value, and changes the rotating speed of the vacuum pump through the frequency converter so as to meet the requirements of a dental comprehensive treatment chair, not only can reduce the power consumption in the use valley period and achieve the energy-saving effect, but also can ensure the normal work in the use peak period.
Patent document 201120565638.1 discloses an intelligent control dental treatment equipment suction system, including the suction system that a plurality of parallelly connected pumps and knockout drum constitute, suction system connects the power supply main circuit, its characterized in that: the power supply secondary loop is arranged and comprises a PLC control device and a frequency converter, wherein the input end of the PLC control device is provided with a human-computer interface, the separation tank is provided with a pressure transmitter, the output end of the pressure transmitter is connected with the first control end of the frequency converter, the communication terminal of the frequency converter is connected with the communication terminal of the PLC, the output end of the PLC control device is connected with the second control end of the frequency converter, and the output end of the frequency converter is connected with the power input end of the pump of the pumping system. The utility model realizes the switching between the power supply main loop and the power supply secondary loop according to the operation condition, has the advantages of good energy conservation, reduced maintenance and operation cost, improved pressure precision, improved working condition quality, stable and reliable suction force, prolonged service life of the pump in the suction system and reduced noise of the suction system.
When the strong suction handle or the weak suction handle on the dental chair is lifted, the internal circuit of the dental chair outputs a passive switching signal, and the passive switching signal of the dental chair is called as a negative pressure start-stop signal Y0; the start and stop of the dental electric suction system is achieved by switching on or off the dental electric suction system "start stop input X0".
The dental chair can start and stop the dental electric suction system by connecting the negative pressure start-stop signal Y0 of the dental chair in parallel with the start-stop input end X0 of the dental electric suction system.
When the negative pressure start-stop signal Y0 of the dental chair is communicated with the start-stop input end X0 of the dental electric suction system, the dental electric suction system is started;
when the negative pressure start-stop signal Y0 of the dental chair is disconnected with the start-stop input end X0 of the dental electric suction system, the dental electric suction system is stopped.
However, the control mode has a plurality of defects, and the inventor finds that when in one after-sale maintenance: the dental electric suction system of the customer is always in an operating state, the on-off input end X0 and the negative pressure on-off signal Y0 of the dental electric suction system are always checked to be in existence, the dental electric suction system is always in operation, all dental chairs are not used, and the problem of the dental chairs is caused by the fact that the strong suction handle and the weak suction handle of the dental chairs are not hung, so that the negative pressure on-off signal Y0 is always output; sometimes, the passive switch contact inside the dental chair is stuck, so that a negative pressure start-stop signal Y0 is always output.
Disclosure of Invention
The utility model aims to provide a dental chair negative pressure suction signal monitor with a prompt and warning function, which can avoid the situation that a dental electric suction system is always in an operation state due to faults and timely eliminates the faults.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the dental chair negative pressure suction signal monitor comprises a plurality of dental chairs and monitoring equipment which are connected in parallel, wherein the monitoring equipment comprises an input module for collecting a dental chair negative pressure start-stop input signal Y0, a singlechip expansion module and an output module for collecting a dental chair negative pressure start-stop output signal Y1;
the single chip microcomputer is matched with the input indication circuit, the internal logic operation of the single chip microcomputer is used for judging the input of the dental chair signals of each path, the logic operation is carried out by the program of the single chip microcomputer, the instruction is sent according to the logic analysis of the single chip microcomputer, and the negative pressure start-stop output signal Y1 is output through the output circuit; the single-chip machine breaks down a negative pressure start-stop output signal Y1 sent to the dental electric suction system to stop the operation of the dental electric suction system when in failure;
the input module is used for detecting a negative-pressure starting and stopping input signal Y0 of the dental chair, and when the negative-pressure starting and stopping input signal Y0 of the dental chair is connected or disconnected, the corresponding signal is sent to the singlechip for detection;
the output module is used for outputting a negative pressure start-stop output signal Y1 so as to control the start and stop of the dental electric suction system;
the power module is used for providing power.
Preferably, the singlechip expansion module is a fault display template, and when the singlechip fails, the singlechip transmits a signal to the display circuit, the fault display template displays a fault dental chair code, and delays and develops a negative pressure start-stop output signal Y1 transmitted to the electric dental suction system to stop the operation of the electric dental suction system.
Preferably, the singlechip expansion module is an audible and visual alarm module, and when the singlechip fails, the singlechip sends a signal to an alarm circuit, the audible and visual alarm module sends audible and visual alarm, and delays to develop a negative pressure start-stop output signal Y1 sent to the electric dental suction system to stop the operation of the electric dental suction system.
Preferably, the singlechip expansion module is fault display template and audible and visual alarm template, when the singlechip breaks down, the singlechip passes through the signal transmission to display circuit, and fault display template shows trouble dental chair code, simultaneously, the singlechip passes through the signal transmission to alarm circuit, audible and visual alarm template sends audible and visual alarm to delay and break the development and send the negative pressure of dentistry electric suction system to start and stop output signal Y1 and stop the operation of dentistry electric suction system.
Further limiting, the singlechip is provided with a duration T0 for monitoring a negative pressure start-stop input signal Y0 sent by the dental chair.
Based on the continuous time of using negative pressure during dentist operation, the maximum time during operation is the fault judgment preset value, so that the negative pressure start-stop input signal Y0 sent by the dental chair is normal within the preset time continuously, and the fault state can be judged when the negative pressure start-stop input signal Y0 is longer than the preset time. The duration T0 of the negative pressure start-stop input signal Y0 is a preset value, the value of T0 can be manually modified in the monitoring device (FXK).
When a fault occurs, the monitoring equipment (FXK) is firstly connected with signals of the fault dental chair and the dental electric suction system to enter a working state, and after the time of T0, the monitoring equipment (FXK) shields the signals of the fault dental chair and the dental electric suction system, and meanwhile, an alarm circuit sends out an audible and visual alarm to prompt a customer that the fault exists; the display circuit of the monitoring device (FXK) will display the failed dental chair number. When the dental chair number is installed, the input ends of the monitoring equipment (FXK) are in one-to-one correspondence, and then the dental chair number is arranged.
Further defined, the singlechip is provided with a delay time T1 for controlling the delay disconnection of the Y1.
If the alarm occurs in an unmanned period or is processed by no person, the monitoring equipment (FXK) can shield the negative pressure start-stop output signal Y1 of the faulty dental chair, and the connection between the faulty dental chair and the dental electric suction system is closed. And if no other dental chairs work, stopping outputting a negative pressure start-stop output signal Y1 to stop the dental electric suction system after the monitoring equipment (FXK) delays for T1 time. T1 is a preset value, and the preset value T1 can be manually input through an input circuit according to the requirement of a user.
Preferably, the input module is connected to the negative pressure start-stop signal input X0 of the dental electric suction system in a passive switch output mode.
A negative pressure start-stop signal input X0 connected to the dental electric suction system, thereby realizing the start and stop of the dental electric suction system.
Preferably, the input module is connected to the negative pressure start-stop signal input X0 of the dental electric suction system in a wireless output mode.
The signal output by the circuit is sent out in a wireless mode, and a receiver of the dental electric suction system receives and executes the signal, so that the starting and stopping of the dental electric suction system are realized.
Preferably, the input module is connected with the negative pressure start-stop signal input X0 of the dental electric suction system in a communication mode.
The negative pressure start-stop signal of the dental chair is input into the X0 for centralized collection and processing, and is transmitted to the dental electric suction system through a communication mode, and the logic function element of the dental electric suction system is used for analysis and execution.
Preferably, the input module is connected with the negative pressure start-stop signal input X0 of the dental electric suction system in a passive switch output or wireless output mode.
And the signal transmission in multiple occasions is realized.
Compared with the prior art, firstly, in the application occasions of a plurality of dental chairs, if a dental chair fails, the failure dental chair can be accurately found, so that the failure is accurately positioned. Second, when the dentist fails to accurately hang the strong suction handle and the weak suction handle, the monitoring device (FXK) can prompt an alarm, and the doctor can quickly correct the error. Third, when the fault is not processed after the fault occurs, the monitoring equipment (FXK) can shield the negative pressure start-stop input signal Y0 of the faulty dental chair, and the working connection of other normal dental chairs and the dental electric suction system is not affected at first. Secondly, the fault occurs in an unmanned period, the monitoring equipment (FXK) firstly outputs a negative pressure start-stop output signal Y1, the negative pressure start-stop input signal Y0 of the faulty dental chair is shielded after the dental electric suction system is allowed to work for T0 time, an audible and visual alarm is given, meanwhile, the negative pressure start-stop input signal Y0 enters a time delay countdown T1, the time delay end monitoring equipment (FXK) cuts off the negative pressure start-stop output signal Y1 transmitted to the dental electric suction system, and the dental electric suction system is stopped. Avoiding the invalid operation of the dental electric suction system caused by fault signals.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a diagram of the internal structure of a dental chair negative pressure suction signal monitor according to the present utility model;
FIG. 2 is a schematic diagram of the operation of the negative pressure suction signal monitor of the dental chair of the present utility model;
FIG. 3 is a table of hardware assignments for the dental chair negative pressure suction signal monitor;
FIG. 4 is a wiring diagram of a dental chair negative pressure suction signal monitor;
FIG. 5 is a schematic view of the present utility model as applied to a single dental chair;
FIG. 6 is a schematic view of the present utility model as applied to a plurality of dental chairs;
FIG. 7 shows a communication mode of the input module (scheme I) of the present utility model;
FIG. 8 shows a communication mode of the input module (scheme II) of the present utility model;
fig. 9 shows a communication mode of the input module (a third embodiment).
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the dental chair negative pressure suction signal monitor comprises a plurality of dental chairs and monitoring equipment which are connected in parallel, wherein the monitoring equipment comprises an input module for collecting a dental chair negative pressure start-stop input signal Y0, a singlechip expansion module and a power supply module, and an output module for collecting a dental chair negative pressure start-stop output signal Y1;
as a core technical scheme of the utility model, the singlechip is matched with the input indication circuit, the internal logic operation of the singlechip is used for judging the input of the dental chair signals of each path, the program of the singlechip is used for carrying out logic operation, the instruction is sent according to the logic analysis of the singlechip, and the negative-pressure start-stop output signal Y1 is output through the output circuit; the single-chip machine breaks down a negative pressure start-stop output signal Y1 sent to the dental electric suction system to stop the operation of the dental electric suction system when in failure;
the input module is used for detecting a negative-pressure start-stop input signal Y0 of the dental chair, and when the negative-pressure start-stop input signal Y0 of the dental chair is switched on or off, the corresponding signal is sent to the singlechip for detection;
the output module is used for outputting a negative pressure start-stop output signal Y1 so as to control the start and stop of the dental electric suction system;
the power module is used for providing power.
Aiming at the single-chip microcomputer expansion module, as a first scheme of the embodiment, the single-chip microcomputer expansion module is a fault display template, when the single-chip microcomputer fails, the single-chip microcomputer transmits signals to a display circuit, the fault display template displays a fault dental chair code, and the negative pressure start-stop output signal Y1 transmitted to the dental electric suction system is delayed and developed to stop the operation of the dental electric suction system.
Aiming at the singlechip extension module, as a second scheme of the embodiment, the singlechip extension module is an audible and visual alarm module, when the singlechip fails, the singlechip sends an audible and visual alarm to an alarm circuit through a signal, the audible and visual alarm module sends audible and visual alarm, and the negative pressure start-stop output signal Y1 sent to the electric dental suction system is delayed and developed to stop the operation of the electric dental suction system.
Aiming at the singlechip extension module, as a third scheme of the embodiment, the singlechip extension module is a fault display module and an audible and visual alarm module, when the singlechip is in fault, the singlechip transmits a signal to a display circuit, the fault display module displays a fault dental chair code, and simultaneously, the singlechip transmits an audible and visual alarm to the alarm circuit through the signal, the audible and visual alarm module transmits an audible and visual alarm, and delays to develop a negative pressure start-stop output signal Y1 transmitted to the dental electric suction system to stop the operation of the dental electric suction system.
The double-delay time relay is adopted for fault elimination, so that the normal operation of equipment is ensured, and firstly, the singlechip is provided with a duration time T0 for monitoring a negative pressure start-stop input signal Y0 sent by a dental chair.
The negative pressure start-stop input signal Y0 sent by the dental chair is normal within the preset time T0 continuously, and the state can be judged to be a fault state when the negative pressure start-stop input signal Y0 is larger than the preset time. The duration T0 of the negative pressure start-stop input signal Y0 is a preset value, the value of T0 can be manually modified in the monitoring device (FXK).
When a fault occurs, the monitoring equipment (FXK) is firstly connected with signals of the fault dental chair and the dental electric suction system to enter a working state, and after the time of T0, the monitoring equipment (FXK) shields the signals of the fault dental chair and the dental electric suction system, and meanwhile, an alarm circuit sends out an audible and visual alarm to prompt a customer that the fault exists; the display circuit of the monitoring device (FXK) will display the failed dental chair number. When the dental chair number is installed, the input ends of the monitoring equipment (FXK) are in one-to-one correspondence, and then the dental chair number is arranged.
And secondly, the singlechip is provided with a delay time T1 for controlling the delay disconnection of the Y1.
If the alarm occurs in an unmanned period or is processed by no person, the monitoring equipment (FXK) can shield the negative pressure start-stop output signal Y1 of the faulty dental chair, and the connection between the faulty dental chair and the dental electric suction system is closed. And if no other dental chairs work, stopping outputting a negative pressure start-stop output signal Y1 to stop the dental electric suction system after the monitoring equipment (FXK) delays for T1 time. T1 is a preset value, and the preset value T1 can be manually input through an input circuit according to the requirement of a user.
As shown in fig. 7, preferably, the connection mode of the input module to the negative pressure start-stop signal input X0 of the dental electric suction system is passive switch output.
A negative pressure start-stop signal input X0 connected to the dental electric suction system, thereby realizing the start and stop of the dental electric suction system.
As shown in fig. 8, preferably, the connection mode of the input module to the negative pressure start-stop signal input X0 of the dental electric suction system is wireless output.
The signal output by the circuit is sent out in a wireless mode, and a receiver of the dental electric suction system receives and executes the signal, so that the starting and stopping of the dental electric suction system are realized.
As shown in fig. 9, preferably, the connection mode of the input module to the negative pressure start-stop signal input X0 of the dental electric suction system is a communication mode.
The negative pressure start-stop signal of the dental chair is input into the X0 for centralized collection and processing, and is transmitted to the dental electric suction system through a communication mode, and the logic function element of the dental electric suction system is used for analysis and execution.
Preferably, the input module is connected with the negative pressure start-stop signal input X0 of the dental electric suction system in a passive switch output or wireless output mode.
The dental chair negative pressure suction signal monitor provided by the utility model is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The utility model provides a dental chair negative pressure suction signal monitor, includes supervisory equipment and a plurality of dental chairs of parallelly connected, its characterized in that: the monitoring equipment comprises an input module for inputting a dental chair negative pressure start-stop input signal Y0, a singlechip expansion module and a power supply module, and an output module for outputting a dental chair negative pressure start-stop output signal Y1;
the single chip microcomputer is matched with the input indication circuit, the internal logic operation of the single chip microcomputer is used for judging the input of the dental chair signals of each path, the logic operation is carried out by the program of the single chip microcomputer, the instruction is sent according to the logic analysis of the single chip microcomputer, and the negative pressure start-stop output signal Y1 is output through the output circuit; the single-chip machine breaks down a negative pressure start-stop output signal Y1 sent to the dental electric suction system to stop the operation of the dental electric suction system when in failure;
the input module is used for detecting a negative-pressure starting and stopping input signal Y0 of the dental chair, and when the negative-pressure starting and stopping input signal Y0 of the dental chair is connected or disconnected, the corresponding signal is sent to the singlechip for detection;
the output module is used for outputting a negative pressure start-stop output signal Y1 so as to control the start and stop of the dental electric suction system;
the power module is used for providing power.
2. The dental chair negative pressure suction signal monitor of claim 1, wherein: the single-chip microcomputer expansion module is a fault display template, when the single-chip microcomputer fails, the single-chip microcomputer sends a signal to the display circuit, the fault display template displays a fault dental chair code, and the negative pressure start-stop output signal Y1 sent to the dental electric suction system is developed in a delayed and broken mode to stop the operation of the dental electric suction system.
3. The dental chair negative pressure suction signal monitor of claim 1, wherein: the single chip microcomputer expansion module is an audible and visual alarm module, when the single chip microcomputer fails, the single chip microcomputer sends a signal to the alarm circuit, the audible and visual alarm module sends audible and visual alarm, and the negative pressure start-stop output signal Y1 sent to the electric dental suction system is delayed and developed to stop the operation of the electric dental suction system.
4. The dental chair negative pressure suction signal monitor of claim 1, wherein: the single-chip microcomputer expansion module is a fault display module and an audible and visual alarm module, when the single-chip microcomputer fails, the single-chip microcomputer transmits signals to the display circuit, the fault display module displays a fault dental chair code, meanwhile, the single-chip microcomputer transmits signals to the alarm circuit, the audible and visual alarm module transmits audible and visual alarm, and delays to develop a negative pressure start-stop output signal Y1 transmitted to the dental electric suction system to stop the operation of the dental electric suction system.
5. The dental chair negative pressure suction signal monitor of claim 2 or 3 or 4, wherein: the singlechip is provided with a duration T0 for monitoring a negative pressure start-stop input signal Y0 sent by the dental chair.
6. The dental chair negative pressure suction signal monitor of claim 5, wherein: the singlechip is provided with a delay time T1 for controlling the delay disconnection of the Y1.
7. The dental chair negative pressure suction signal monitor of claim 6, wherein: the input module is connected to the negative pressure start-stop signal input X0 of the dental electric suction system in a passive switch output mode.
8. The dental chair negative pressure suction signal monitor of claim 6, wherein: the input module is connected to the negative pressure start-stop signal input X0 of the dental electric suction system in a wireless output mode.
9. The dental chair negative pressure suction signal monitor of claim 6, wherein: the input module is connected to the negative pressure start-stop signal input X0 of the dental electric suction system in a communication mode.
10. The dental chair negative pressure suction signal monitor of claim 6, wherein: the input module is connected to the negative pressure start-stop signal input X0 of the dental electric suction system in a passive switch output or wireless output mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036075.9A CN107049696B (en) | 2017-01-17 | 2017-01-17 | Negative pressure suction signal monitor for dental chair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036075.9A CN107049696B (en) | 2017-01-17 | 2017-01-17 | Negative pressure suction signal monitor for dental chair |
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| CN107049696A CN107049696A (en) | 2017-08-18 |
| CN107049696B true CN107049696B (en) | 2024-01-23 |
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| CN201710036075.9A Active CN107049696B (en) | 2017-01-17 | 2017-01-17 | Negative pressure suction signal monitor for dental chair |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116575A (en) * | 2019-12-31 | 2021-07-16 | 佛山市立诺医疗科技有限公司 | Negative pressure suction device for dentistry |
| CN114392112A (en) * | 2022-01-20 | 2022-04-26 | 宁波口腔医院集团有限公司 | Dental chair negative pressure signal comprehensive control method |
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| JP2006055428A (en) * | 2004-08-20 | 2006-03-02 | Tokyo Giken:Kk | Medical central suction system |
| JP2009273718A (en) * | 2008-05-15 | 2009-11-26 | Yoshida Dental Mfg Co Ltd | Medical apparatus for dental use |
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| CN207654384U (en) * | 2017-01-17 | 2018-07-27 | 山东润国机电设备股份有限公司 | Tooth chair negative-pressure ward signal monitor |
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| CN104225691A (en) * | 2013-06-19 | 2014-12-24 | 宁波蓝野医疗器械有限公司 | Dental suction pressure adaptive control system |
| CN203852536U (en) * | 2014-04-09 | 2014-10-01 | 董作英 | ARM-based embedded dental chair control system |
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| CN107049696A (en) | 2017-08-18 |
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