CN107374639B - Sanitary state detection platform - Google Patents
Sanitary state detection platform Download PDFInfo
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- CN107374639B CN107374639B CN201710587415.7A CN201710587415A CN107374639B CN 107374639 B CN107374639 B CN 107374639B CN 201710587415 A CN201710587415 A CN 201710587415A CN 107374639 B CN107374639 B CN 107374639B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
- A61B5/1117—Fall detection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1071—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring angles, e.g. using goniometers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/493—Physical analysis of biological material of liquid biological material urine
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Abstract
The invention relates to a dental chair hygiene state detection platform which comprises armrests, power supply equipment and power supply conversion equipment, wherein the armrests are arranged above a chair and used for providing positions for placing two upper limbs for a patient, the power supply equipment adopts a 24-volt lead-acid storage battery to provide power supply for each power consumption part of a dental chair, and the power supply conversion equipment is connected with the power supply equipment and used for converting 24-volt voltage of the power supply equipment into 5-volt voltage and 3.3-volt voltage; the platform also comprises vomit concentration detection equipment which is used for carrying out real-time directional detection on the vomit emanation in the air and sending out a vomit pollution signal when the concentration of the vomit emanation is more than or equal to a preset vomit concentration threshold value. By the invention, the sanitary state of the dental chair can be accurately detected in time.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a dental chair hygiene state detection platform.
Background
In the aspects of sanitation and environmental protection: according to epidemiological data, serious cross infection problems exist in oral diagnosis and treatment of various countries. The infection rate of hepatitis B in dentists is 3-6 times that of common people, the HBV positive rate of dentists is 25.8%, and the total positive rate of HBV pollution in dental chairs is 62%.
Therefore, preventing cross-contamination of dental equipment is an important consideration in dental chair design. However, the manufacturers of the dental equipment in the prior art, such as the dental chair, pay too much attention to the treatment condition of the dental chair to the patients during the design, and there is still a blank in the design for the detection of germs, pollutants and urine.
Disclosure of Invention
In order to solve the problems, the invention provides a dental chair hygiene state detection platform, which adopts a water depth detector to determine the lower real-time water depth in front of a dental chair, introduces an air cushion release device arranged below the dental chair seat, and is used for automatically starting an air pump to inflate a left air cushion and a right air cushion and then respectively release the inflated air cushions to the side surface of a left rear wheel and the side surface of a right rear wheel of the dental chair when the lower real-time water depth is more than or equal to the maximum walking water depth, and simultaneously sends air cushion release signals.
According to an aspect of the present invention, there is provided a dental chair hygiene status detection platform, the platform comprising: the dental chair comprises armrests, power supply equipment and power conversion equipment, wherein the armrests are arranged above the chair and used for providing positions for placing two upper limbs for a patient, the power supply equipment adopts a 24-volt lead-acid storage battery to supply power for each power utilization part of the dental chair, and the power conversion equipment is connected with the power supply equipment and used for converting 24-volt voltage of the power supply equipment into 5-volt voltage and 3.3-volt voltage.
More specifically, in the dental chair health status detection platform, further comprising: the photoelectric coupling chip isolates the 5V voltage and the 3.3V voltage from the 24V circuit through a photoelectric isolation circuit.
More specifically, in the dental chair health status detection platform, further comprising: the vomit concentration detection equipment is used for carrying out real-time directional detection on the vomit emanation in the air, and when the concentration of the vomit emanation is greater than or equal to a preset vomit concentration threshold value, a vomit pollution signal is sent out, otherwise, a vomit normal signal is sent out.
More specifically, in the dental chair health status detection platform, further comprising: urine emits concentration check out test set for the urine in the air emits the thing and carries out real-time directional detection, when the concentration that the urine emits the thing more than or equal to predetermines urine concentration threshold value, sends the urine pollution signal, otherwise, sends the urine normal signal.
More specifically, in the dental chair health status detection platform, further comprising: and the ZIGBEE communication equipment is respectively connected with the vomit concentration detection equipment and the urine emission concentration detection equipment and is used for forwarding the vomit pollution signal or the urine pollution signal to a nearby medical service center when receiving the vomit pollution signal or the urine pollution signal.
More specifically, in the dental chair health status detection platform, further comprising: the germ analysis equipment is arranged on the handrail and comprises constant-temperature water dripping sub-equipment, timing sub-equipment, sample collection sub-equipment and sample analysis sub-equipment, wherein the constant-temperature water dripping sub-equipment is used for dripping a preset dose of constant-temperature water onto the handrail, the timing sub-equipment is connected with the constant-temperature water dripping sub-equipment and is used for starting timing and outputting timing time after the constant-temperature water dripping sub-equipment performs dripping operation, the sample collection sub-equipment is connected with the timing sub-equipment and is used for automatically collecting water drops on the handrail as sample water drops when the timing time is equal to a preset time threshold, the sample analysis sub-equipment performs germ content detection on the sample water drops and sends out a germ exceeding signal when the germ content is greater than or equal to the preset content threshold, and otherwise sends out a normal germ signal;
the acceleration measuring instrument is arranged on a patient on the dental chair and is used for detecting the acceleration value of the patient, sending an acceleration early warning signal when the acceleration value of the patient is greater than a preset acceleration threshold value, and sending an acceleration normal signal when the acceleration value of the patient is less than or equal to the preset acceleration threshold value;
the deflection angle detection device is arranged on a patient on the dental chair and used for detecting the deflection angle value of the patient, sending a deflection angle early warning signal when the deflection angle value of the patient is larger than a preset deflection angle threshold value, and sending a deflection angle normal signal when the deflection angle value of the patient is smaller than or equal to the preset deflection angle threshold value;
the falling judgment device is respectively connected with the acceleration measuring instrument and the deflection angle detection device and is used for sending a falling alarm signal when receiving the acceleration early warning signal and the deflection angle early warning signal;
the detection cross bar is arranged in front of the dental chair and used for fixing the water depth detector;
a water depth detector that emits laser light downward, receives the laser light reflected from the water surface and the laser light reflected from the water bottom, determines a time at which the laser light is emitted as a first time, determines a time at which the laser light reflected from the water surface is received as a second time, determines a time at which the laser light reflected from the water bottom is received as a third time, subtracts the first time from the second time to obtain a first time difference, subtracts the first time from the third time to obtain a second time difference, and determines a real-time water depth below based on the first time difference, the second time difference, a propagation speed of the laser light in the air, and a propagation speed of the laser light under water;
the air cushion releasing equipment is arranged below the dental chair seat and connected with the water depth detector, comprises an air pump, a left air cushion and a right air cushion, and is used for automatically starting the air pump to respectively release the left air cushion and the right air cushion to the side surface of the left rear wheel and the side surface of the right rear wheel of the dental chair after the left air cushion and the right air cushion are inflated when the real-time water depth below is more than or equal to the maximum walking water depth, and simultaneously sending air cushion releasing signals.
More specifically, in the dental chair hygiene status detection platform:
the ZIGBEE communication equipment is also connected with the air cushion release equipment and used for forwarding the falling alarm signal to a nearby medical service center when receiving the falling alarm signal.
More specifically, in the dental chair hygiene status detection platform:
the ZIGBEE communication equipment is also connected with the falling judgment equipment and used for forwarding the air cushion release signal to a nearby medical service center when receiving the air cushion release signal.
More specifically, in the dental chair hygiene status detection platform:
the ZIGBEE communication equipment is also connected with the germ analysis equipment and used for forwarding the bacteria exceeding signal to a nearby medical service center when receiving the bacteria exceeding signal.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a block diagram illustrating a dental chair hygiene status detection platform according to an embodiment of the present invention.
Reference numerals: 1, a handrail; 2, power supply equipment; 3 Power supply conversion equipment
Detailed Description
Embodiments of the dental chair hygiene status detection platform of the present invention will be described in detail below with reference to the accompanying drawings.
The dental chair is mainly used for oral surgery and examination and treatment of oral diseases. At present, the electric dental chair is mainly divided into 8 parts, the whole dental chair is fixed on the ground through a bottom plate, the bottom plate is connected with the upper part of the dental chair through a bracket, the action of the dental chair is controlled by a control switch on a chair back, and the working principle is as follows: the control switch starts the motor to operate and drives the transmission mechanism to work, so that the corresponding parts of the dental chair move. According to the treatment requirement, the dental chair can finish the actions of ascending, descending, bending, facing up, resetting and the like by operating the control switch buttons.
The current dental chair is not thoroughly designed, the existence of various extreme conditions is not considered, corresponding emergency measures are not designed, and in order to overcome the defects, the dental chair health state detection platform is built.
Fig. 1 is a block diagram showing a dental chair hygiene status detection platform according to an embodiment of the present invention, the platform includes an armrest disposed above a chair for providing a position for a patient to place two upper limbs, a power supply device for supplying power to various power consuming components of the dental chair using 24 v lead-acid batteries, and a power conversion device connected to the power supply device for converting the 24 v voltage of the power supply device into 5 v voltage and 3.3 v voltage.
Next, a detailed description of the structure of the dental chair hygiene status detection platform of the present invention will be further described.
In the dental chair health status testing platform, further comprising:
the photoelectric coupling chip isolates the 5V voltage and the 3.3V voltage from the 24V circuit through a photoelectric isolation circuit.
In the dental chair health status testing platform, further comprising:
the vomit concentration detection equipment is used for carrying out real-time directional detection on the vomit emanation in the air, and when the concentration of the vomit emanation is greater than or equal to a preset vomit concentration threshold value, a vomit pollution signal is sent out, otherwise, a vomit normal signal is sent out.
In the dental chair health status testing platform, further comprising:
urine emits concentration check out test set for the urine in the air emits the thing and carries out real-time directional detection, when the concentration that the urine emits the thing more than or equal to predetermines urine concentration threshold value, sends the urine pollution signal, otherwise, sends the urine normal signal.
In the dental chair health status testing platform, further comprising:
and the ZIGBEE communication equipment is respectively connected with the vomit concentration detection equipment and the urine emission concentration detection equipment and is used for forwarding the vomit pollution signal or the urine pollution signal to a nearby medical service center when receiving the vomit pollution signal or the urine pollution signal.
In the dental chair health status testing platform, further comprising:
the germ analysis equipment is arranged on the handrail and comprises constant-temperature water dripping sub-equipment, timing sub-equipment, sample collection sub-equipment and sample analysis sub-equipment, wherein the constant-temperature water dripping sub-equipment is used for dripping a preset dose of constant-temperature water onto the handrail, the timing sub-equipment is connected with the constant-temperature water dripping sub-equipment and is used for starting timing and outputting timing time after the constant-temperature water dripping sub-equipment performs dripping operation, the sample collection sub-equipment is connected with the timing sub-equipment and is used for automatically collecting water drops on the handrail as sample water drops when the timing time is equal to a preset time threshold, the sample analysis sub-equipment performs germ content detection on the sample water drops and sends out a germ exceeding signal when the germ content is greater than or equal to the preset content threshold, and otherwise sends out a normal germ signal;
the acceleration measuring instrument is arranged on a patient on the dental chair and is used for detecting the acceleration value of the patient, sending an acceleration early warning signal when the acceleration value of the patient is greater than a preset acceleration threshold value, and sending an acceleration normal signal when the acceleration value of the patient is less than or equal to the preset acceleration threshold value;
the deflection angle detection device is arranged on a patient on the dental chair and used for detecting the deflection angle value of the patient, sending a deflection angle early warning signal when the deflection angle value of the patient is larger than a preset deflection angle threshold value, and sending a deflection angle normal signal when the deflection angle value of the patient is smaller than or equal to the preset deflection angle threshold value;
the falling judgment device is respectively connected with the acceleration measuring instrument and the deflection angle detection device and is used for sending a falling alarm signal when receiving the acceleration early warning signal and the deflection angle early warning signal;
the detection cross bar is arranged in front of the dental chair and used for fixing the water depth detector;
a water depth detector that emits laser light downward, receives the laser light reflected from the water surface and the laser light reflected from the water bottom, determines a time at which the laser light is emitted as a first time, determines a time at which the laser light reflected from the water surface is received as a second time, determines a time at which the laser light reflected from the water bottom is received as a third time, subtracts the first time from the second time to obtain a first time difference, subtracts the first time from the third time to obtain a second time difference, and determines a real-time water depth below based on the first time difference, the second time difference, a propagation speed of the laser light in the air, and a propagation speed of the laser light under water;
the air cushion releasing equipment is arranged below the dental chair seat and connected with the water depth detector, comprises an air pump, a left air cushion and a right air cushion, and is used for automatically starting the air pump to respectively release the left air cushion and the right air cushion to the side surface of the left rear wheel and the side surface of the right rear wheel of the dental chair after the left air cushion and the right air cushion are inflated when the real-time water depth below is more than or equal to the maximum walking water depth, and simultaneously sending air cushion releasing signals.
In the dental chair hygiene status detection platform:
the ZIGBEE communication equipment is also connected with the air cushion release equipment and used for forwarding the falling alarm signal to a nearby medical service center when receiving the falling alarm signal.
In the dental chair hygiene status detection platform:
the ZIGBEE communication equipment is also connected with the falling judgment equipment and used for forwarding the air cushion release signal to a nearby medical service center when receiving the air cushion release signal.
In the dental chair hygiene status detection platform:
the ZIGBEE communication equipment is also connected with the germ analysis equipment and used for forwarding the bacteria exceeding signal to a nearby medical service center when receiving the bacteria exceeding signal.
In addition, ZigBee is a low power consumption local area network protocol based on the ieee802.15.4 standard. According to international standards, the ZigBee technology is a short-range, low-power consumption wireless communication technology. This name, also known as the purple bee protocol, is derived from the dance of bees in eight characters, since bees (bee) communicate the orientation information of pollen with partners by flying and "waving" (zig) flapping wings, i.e. bees form a communication network in the community by means of this. Its advantages are short distance, low complexity, self-organization, low power consumption and low data rate. The device is mainly suitable for the fields of automatic control and remote control, and can be embedded into various devices.
In short, ZigBee is an inexpensive and low-power-consumption short-range wireless networking communication technology. ZigBee is a wireless network protocol for low-speed short-distance transmission. The ZigBee protocol is, from bottom to top, a physical layer (PHY), a media access control layer (MAC), a Transport Layer (TL), a network layer (NWK), an application layer (APL), and the like. Wherein the physical layer and the medium access control layer comply with the provisions of the IEEE802.15.4 standard.
The dental chair health state detection platform is connected with the water depth detector through the air cushion release device, comprises the air pump, the left air cushion and the right air cushion, and is used for automatically starting the air pump to respectively release the inflated left air cushion and the inflated right air cushion to the side surface of the left rear wheel and the side surface of the right rear wheel of the dental chair when the real-time water depth below the water depth is more than or equal to the maximum walking water depth, and simultaneously sending air cushion release signals.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (4)
1. The dental chair hygiene state detection platform is characterized by comprising armrests, power supply equipment and power conversion equipment, wherein the armrests are arranged above a chair and used for providing positions for placing two upper limbs for a patient, the power supply equipment adopts a 24-volt lead-acid storage battery to provide power supply for each power consumption part of a dental chair, and the power conversion equipment is connected with the power supply equipment and used for converting 24 volts of the power supply equipment into 5 volts of voltage and 3.3 volts of voltage;
the photoelectric coupling chip isolates the 5V voltage and the 3.3V voltage from the 24V circuit through a photoelectric isolation circuit;
the vomit concentration detection equipment is used for carrying out real-time directional detection on the vomit emanation in the air, and when the concentration of the vomit emanation is more than or equal to a preset vomit concentration threshold value, a vomit pollution signal is sent out, otherwise, a vomit normal signal is sent out;
the urine emission concentration detection equipment is used for carrying out real-time directional detection on urine emissions in the air, and sending a urine pollution signal when the concentration of the urine emissions is greater than or equal to a preset urine concentration threshold value, otherwise, sending a urine normal signal;
the ZIGBEE communication device is respectively connected with the vomit concentration detection device and the urine emission concentration detection device and is used for forwarding the vomit pollution signal or the urine pollution signal to a nearby medical service center when receiving the vomit pollution signal or the urine pollution signal;
the germ analysis equipment is arranged on the handrail and comprises constant-temperature water dripping sub-equipment, timing sub-equipment, sample collection sub-equipment and sample analysis sub-equipment, wherein the constant-temperature water dripping sub-equipment is used for dripping a preset dose of constant-temperature water onto the handrail, the timing sub-equipment is connected with the constant-temperature water dripping sub-equipment and is used for starting timing and outputting timing time after the constant-temperature water dripping sub-equipment performs dripping operation, the sample collection sub-equipment is connected with the timing sub-equipment and is used for automatically collecting water drops on the handrail as sample water drops when the timing time is equal to a preset time threshold, the sample analysis sub-equipment performs germ content detection on the sample water drops and sends out a germ exceeding signal when the germ content is greater than or equal to the preset content threshold, and otherwise sends out a normal germ signal;
the acceleration measuring instrument is arranged on a patient on the dental chair and is used for detecting the acceleration value of the patient, sending an acceleration early warning signal when the acceleration value of the patient is greater than a preset acceleration threshold value, and sending an acceleration normal signal when the acceleration value of the patient is less than or equal to the preset acceleration threshold value;
the deflection angle detection device is arranged on a patient on the dental chair and used for detecting the deflection angle value of the patient, sending a deflection angle early warning signal when the deflection angle value of the patient is larger than a preset deflection angle threshold value, and sending a deflection angle normal signal when the deflection angle value of the patient is smaller than or equal to the preset deflection angle threshold value;
the falling judgment device is respectively connected with the acceleration measuring instrument and the deflection angle detection device and is used for sending a falling alarm signal when receiving the acceleration early warning signal and the deflection angle early warning signal;
the detection cross bar is arranged in front of the dental chair and used for fixing the water depth detector;
a water depth detector that emits laser light downward, receives the laser light reflected from the water surface and the laser light reflected from the water bottom, determines a time at which the laser light is emitted as a first time, determines a time at which the laser light reflected from the water surface is received as a second time, determines a time at which the laser light reflected from the water bottom is received as a third time, subtracts the first time from the second time to obtain a first time difference, subtracts the first time from the third time to obtain a second time difference, and determines a real-time water depth below based on the first time difference, the second time difference, a propagation speed of the laser light in the air, and a propagation speed of the laser light under water;
the air cushion releasing equipment is arranged below the dental chair seat and connected with the water depth detector, comprises an air pump, a left air cushion and a right air cushion, and is used for automatically starting the air pump to respectively release the left air cushion and the right air cushion to the side surface of the left rear wheel and the side surface of the right rear wheel of the dental chair after the left air cushion and the right air cushion are inflated when the real-time water depth below is more than or equal to the maximum walking water depth, and simultaneously sending air cushion releasing signals.
2. The dental chair hygiene status detection platform of claim 1, wherein:
the ZIGBEE communication equipment is also connected with the air cushion release equipment and used for forwarding the falling alarm signal to a nearby medical service center when receiving the falling alarm signal.
3. The dental chair hygiene status detection platform of claim 2, wherein:
the ZIGBEE communication equipment is also connected with the falling judgment equipment and used for forwarding the air cushion release signal to a nearby medical service center when receiving the air cushion release signal.
4. A dental chair hygiene status detection platform as in claim 3, wherein: the ZIGBEE communication equipment is also connected with the germ analysis equipment and used for forwarding the bacteria exceeding signal to a nearby medical service center when receiving the bacteria exceeding signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380972.8A CN109259768A (en) | 2017-07-18 | 2017-07-18 | Dental chair hygienic state detection platform |
| CN201710587415.7A CN107374639B (en) | 2017-07-18 | 2017-07-18 | Sanitary state detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587415.7A CN107374639B (en) | 2017-07-18 | 2017-07-18 | Sanitary state detection platform |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711380972.8A Division CN109259768A (en) | 2017-07-18 | 2017-07-18 | Dental chair hygienic state detection platform |
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| Publication Number | Publication Date |
|---|---|
| CN107374639A CN107374639A (en) | 2017-11-24 |
| CN107374639B true CN107374639B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711380972.8A Withdrawn CN109259768A (en) | 2017-07-18 | 2017-07-18 | Dental chair hygienic state detection platform |
| CN201710587415.7A Expired - Fee Related CN107374639B (en) | 2017-07-18 | 2017-07-18 | Sanitary state detection platform |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711380972.8A Withdrawn CN109259768A (en) | 2017-07-18 | 2017-07-18 | Dental chair hygienic state detection platform |
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| CN105534650A (en) * | 2016-03-15 | 2016-05-04 | 国家康复辅具研究中心 | Starting and barrier avoiding system of electrically powered wheelchair |
| CN105928981A (en) * | 2016-04-27 | 2016-09-07 | 上海翰临电子科技有限公司 | All-weather air quality monitoring method and monitoring device thereof |
| CN206198240U (en) * | 2016-07-10 | 2017-05-31 | 鄢兰元 | A kind of comfortable dental chair of foot pedal type concertina type |
| CN106517452A (en) * | 2016-10-30 | 2017-03-22 | 苏州市克拉思科文化传播有限公司 | Intelligent drinking water system for residential quarter |
| CN106800003A (en) * | 2016-12-28 | 2017-06-06 | 智车优行科技（北京）有限公司 | Road water detection method and system, vehicle |
| CN106709471A (en) * | 2017-01-05 | 2017-05-24 | 宇龙计算机通信科技(深圳)有限公司 | Fall detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109259768A (en) | 2019-01-25 |
| CN107374639A (en) | 2017-11-24 |
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