CN107204097A - Children are with multifunctional safe pin loop system - Google Patents

Children are with multifunctional safe pin loop system Download PDF

Info

Publication number
CN107204097A
CN107204097A CN201710530791.2A CN201710530791A CN107204097A CN 107204097 A CN107204097 A CN 107204097A CN 201710530791 A CN201710530791 A CN 201710530791A CN 107204097 A CN107204097 A CN 107204097A
Authority
CN
China
Prior art keywords
module
children
control module
loop system
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710530791.2A
Other languages
Chinese (zh)
Inventor
王海涛
潘秉乾
肖平
陈杰
葛元臻
陈晓琴
于业龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Polytechnic University
Original Assignee
Anhui Polytechnic University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Polytechnic University filed Critical Anhui Polytechnic University
Priority to CN201710530791.2A priority Critical patent/CN107204097A/en
Publication of CN107204097A publication Critical patent/CN107204097A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/0202Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0286Tampering or removal detection of the child unit from child or article

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)

Abstract

The present invention discloses a kind of children with multifunctional safe pin loop system, including pin ring body and control system, it is characterised in that:The control system includes control module, camera module and buzzer module, the control module is connected with camera module and buzzer module respectively, the safety leg loop system also includes belt body, buckle and the buckle slot corresponding with buckle being arranged in belt body, pressure sensor is set in the buckle slot, the pressure sensor is connected with control module, pressure data in the corresponding buckle slot detected is transferred to control module by the pressure sensor, the control module controls camera module and buzzer module to work according to the change of waistband buckle slot pressure.The present invention is coordinated by pin ring and belt buckle, the generation that preventing property is invaded;It can find whether children are in the hole in time simultaneously, children are reminded in time and signal is sent and guard mobile phone to parents, father and mother are notified in time.

Description

Children are with multifunctional safe pin loop system
Technical field
The present invention relates to a kind of children's safety protection device, more particularly to one kind can play protection children, find in time Children's pin loop system in the hole.
Background technology
It is well known that children are the dearly loved persons of father and mother, its safety is also the thing that parents are concerned about the most, especially present Society in, a pair of men and wives typically only one to two children.So, child becomes the life of father and mother and whole family naturally Root.But,, still can not even if suffering from father and mother all the time or grandparents goes to keep an eye on children among life Offset all uncertain accidents.Moreover, the nature of these children are exactly that hobby is tampered, and unknown things are liked, with very Strong curiosity, hobby is touched, unfettered.This has resulted in child and has been likely encountered danger present in many lives.And Sometimes as the carelessness of parent causes child to wander away outside.The property made that What is more invades the vile practices of children.This is just So that the safeguard protection of children is particularly important.
At present, nurse of the existing stage people to children is typically kept an eye on by parent or relatives, but the energy of a people is Limited, usually because carelessness causes children to come to harm, such as children are forgotten in the car, to cause casualty accident;Children loss, Or invaded by property.Therefore need a kind of intelligentized equipment to carry out the hazardous act of moment monitoring children, reach the guarantor to children Shield.
The content of the invention
Present invention aim to address the defect of the protection of children's safety in the prior art pin ring system is used there is provided a kind of children System, is able to detect that the signal that comes off of children's waistband, and alarm is sent in time and parent is notified, reduces the hair that children's property invades event It is raw.A variety of hazardous environments that children are in can be found in time, and signal an alert simultaneously can notify parent in time.
In order to achieve the above object, the present invention includes pin ring body, described pin ring body and control system, and its feature exists In:Described control system includes control module, camera module and buzzer module, described control module respectively with shooting Head module and the connection of buzzer module, the safety leg loop system also include belt body, buckle and are arranged on belt body On buckle slot corresponding with buckle, pressure sensor is set in the buckle slot, and the pressure sensor connects with control module Connect, the pressure data in the corresponding buckle slot detected is transferred to control module, the control mould by the pressure sensor Root tuber controls camera module and buzzer module to work according to the change of waistband buckle slot pressure.
Described control module is connected by communication module with mobile phone, and described mobile phone is used for the information of receive and control module With transmission control information to control module.
Described camera module, which has, takes pictures and images both of which, and the switching of its pattern is by control module control, institute The data storage that the camera module stated is shot is in memory.
Described pin loop system includes the first battery module powered for camera module, the first described battery module bag Include battery management system, described battery management system detect the first battery module electricity it is low when send and believe to control module Number, described control module is received controls camera module to be operated in exposal model after low battery signal.
Under described camera module exposal model, its photo opporunity interval is by control module control.
Described pin loop system includes locating module, and described locating module includes d GPS locating module and base station network is auxiliary Locating module is helped, the position for accurately determining children in real time.
Described pin loop system also include measurement of bldy temperature module and ambient temperature measurement module, control module respectively with body temperature Measurement module and the electrical connection of ambient temperature measurement module.
Described control module connection flame sensor module, for detecting nearby whether there is burning things which may cause a fire disaster, and close to burning things which may cause a fire disaster When send prompting.
Described pin loop system also includes fuel gas detection module, described fuel gas detection module and control module Electrical connection.
Described pin loop system water droplet detection module, it is connected with control module.
Described control module is connected with touch button, and described touch button sends a signal to control mould after pressing Block.
It is an advantage of the invention that simple in construction, it is convenient to realize;Coordinated by pin ring and belt buckle, the generation that preventing property is invaded; It can find whether children are in the hole in time simultaneously, children are reminded in time and signal are sent to parents' monitoring mobile phone, Notify father and mother in time.
Brief description of the drawings
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is theory diagram of the invention
Fig. 2 is principle flow chart of the invention.
Fig. 3 is Waistband structure schematic diagram.
Embodiment
Below against accompanying drawing, by the description to embodiment, the embodiment to the present invention makees further details of Explanation, it is therefore an objective to help those skilled in the art to have more complete, accurate and deep reason to design of the invention, technical scheme Solution, and contribute to it to implement.
This pin loop system is applied to children, can protect the safety of children.Specially:Pin ring is worn at children's ankle, pin Ring includes pin ring body and control system, and pin ring body is the circular shell of a plastic seal, and inside sets control system, prevents Only control system is intake, and is played a protective role, camera module is water-proof CCD camera, and it is used to shoot the ring exchanged around body Border data.As shown in figure 1, control system includes control module, camera module and buzzer module, control module is controlled respectively The work of camera module and buzzer module, that is, open and close.Waistband includes belt body, buckle slot, buckle, in waistband The buckle set in the upper belt buckle of one end is combined with buckle slot when in use.When buckle is fastened on buckle slot, buckle slot The pressure sensor of interior setting detects pressure and pressure data is transferred to control module, and control module is entered to the signal transmitted Row Treatment Analysis, sends control signal to camera module and buzzer module, controls it to open.The waist is put in child's waist During band, it can be stitched together with trousers, when child is alone outer when, if really encountering those people hatched a sinister plot , then now, in the buckle slot of waistband corresponding pressure sensor be transferred to the pressure data of control module can be in the sampling time Interior (continuously being fluctuated caused by normal operating waistband to exclude, can set the sampling time as 3~5 seconds) is changed into from certain numerical value Zero, control module can be according to pressure data vanishing in the sampling time, and sends control signal to camera module and buzzing Device module.As one people of children, if generation property is invaded, then waistband must take off solution and hazardous area or be completely fallen off to waistband, press Force snesor sample magnitude is by vanishing, and control module does not receive pressure signal, then sends control signal driving buzzer mould Block and camera module are opened, and buzzer module is used to warn bad person, while passerby can be caused to note, and camera module is used In shooting video and image data, evidence is given over to.Control module sends information to father and mother's monitoring mobile phone simultaneously, is received and taken the photograph with mobile phone As the data that head module is shot, father and mother may determine that whether the hazardous act is true, if causing because child goes to toilet, can be with Communicated by guarding mobile phone with control module, send a control signal to control module, release this alarm.
As shown in figure 3, belt body one end is provided with belt buckle, belt buckle is that card is set in metal material, belt body Catching groove, sets buckle corresponding with buckle slot in belt buckle, and when using waistband, buckle is engaged with buckle slot.In buckle Pressure sensor is set in groove, and buckle slot is divided into place of safety and hazardous area, place of safety and hazardous area due to children's waistline it is different its Size can vary with each individual, and place of safety buckle slot pressure sensor is in running order, hazardous area inner card cage pressure sensor Do not work (power supply as closed hazardous area pressure sensor).Specifically, the pressure sensor in each neck is all provided with There is power switch, control corresponding pressure sensor whether to work by each switch and then realize pressure sensing in place of safety Device works.Such as children's waistline is set to place of safety, the neck internal pressure in the range of this in 30cm at waistband 29cm-31cm Force snesor is powered, can be with normal output pressure signal.Remaining region is hazardous area, and pressure sensor does not work.When buckle button Close in buckle slot, pressure sensor transmits data to control module in real time, it is when waistband is disengaged to hazardous area or completely de- When falling, control module does not receive pressure data, now it is considered that being in property of children is invaded under precarious position, and then sends alarm Information.Control module can realize data receiver processing and control camera module and buzzer mould using 51 series monolithics Block.This pin loop system is adapted to use in the case where adult can not monitor child in real time, as long as with the use of waistband and pin ring, It is to think that children are in danger that generation waistband, which takes off solution to hazardous area, and real-time ensuring children are not invaded and harassed.
Control module is connected by communication module with mobile communication, sets communication module to be used in pin loop system logical with mobile phone Letter, communication module uses the chip with 3G, 4G or GPRS communication function, convenient at any time to believe the danger that pin loop system is detected Breath is transferred to mobile phone.Mobile phone can send a control signal to control module to close buzzer and camera by communication module, The collection alarm signal for the camera that control module is sent can also be received.Mobile phone is sent a control signal to after control module, control Molding root tuber it is believed that number processing make a response, control camara module and buzzer module work.Mobile phone sends control letter Number to control module using control the principle of camera module and buzzer module as:Control signal is set in control module, such as " close camera and buzzer ", is " closing camera and buzzing when receiving the signal that mobile phone transmission comes by communication module After the signal of device ", control module corresponding device is closed, and the program that control module control camera and buzzer are used here is Prior art discloses program.Camera module have takes pictures and images both of which, the switching of its pattern by control module control, The data information memory of shooting is in memory, and memory can use TF cards, and exposal model and pattern of taking the photograph are control shooting head moulds The frequency of block collection picture is that can be achieved, that is, controls CDD or COMS components to be powered and gather the frequency of image.
Camera module is powered using single battery, i.e., the first battery module is powered for camera module, images head mould First battery module of block includes battery management system, and the battery management system of the first battery module is used to enter the information of battery Row control, its SOC module included is used to detect the dump energy information in the first battery module and sent to control module, control Molding block is handled electric quantity data, when the electricity of the first battery module is less than the minimum valve of electricity set inside control module During value, control module control camara module is operated in exposal model, and is merely able to be operated in exposal model.So as in low electricity Power supply of the guarantee battery tried one's best when amount to camera module, exposal model is the sensor devices in control camera module Energization frequency acquisition, in exposal model, the sensor devices 2s of camera module is powered once, then can successively scheme in 2s collections Piece, in image pickup mode, then 1 second 24 times energizations, so that sensor devices gather image 24, form video.The work of camera module Operation mode can be automatically controlled by control module in the case of low battery, can also be adjusted manually;Regulation is according to children manually The mode tuning control signal that the mobile phone of father and mother is sent, is sent to control module by communication module, and control module is according to sending Data control camera module mode of operation.Realize in the case of electricity is less father and mother according to actual conditions to children around Environment is recorded in real time, it is ensured that children's safety.
Under exposal model, its shooting style is continuously taken pictures according to certain time interval, between its time taken pictures Every that can adjust, the Regulate signal of mobile phone can be received by control module and then time interval is changed, when the first battery module electricity When measuring relatively low, control module automatic start exposal model, the photo opporunity spacer system is automatically made 2 seconds.
Control module is electrically connected with measurement of bldy temperature module and ambient temperature measurement module, for receiving its temperature letter transmitted Number, measurement of bldy temperature module is used for the body temperature for measuring children, body temperature can be easily measured using infrared body temperature sensor, in children Occur finding in time in the case of fever, sent by control module, communication module to mobile phone so that adult controls for children in time Treat;Ambient temperature measurement module is used to measure the environment temperature residing for children, prevents children from entering in hazardous environment.And can What is often occurred on prevention present society forgets children in the car so as to the accident triggered.When being locked in in-car such as children, with The rise of environment inside car temperature, the data of ambient temperature measurement module detection are sent to control module, and control module is to data Sent after processing to mobile phone terminal, when temperature exceedes the threshold temperature set, the automatic warning information that sends reminds father and mother to mobile phone Child is in the condition of high temperature.Prevent because father and mother carelessness and caused by contingency.Measurement of bldy temperature module and ambient temperature measurement module Constituted by temperature sensor chip, temperature sensor collecting temperature data simultaneously pass sequentially through rectifying and wave-filtering and A/D converting transmissions Into control module, temperature data is handled and sent again by control module.
System is additionally provided with flame sensor module, for measuring whether near children has burning things which may cause a fire disaster, and when close to burning things which may cause a fire disaster Sound the alarm, children are warned beyond this point, while sending information to as soon as possible in the mobile phone of father and mother.Flame sensor system System, is by photoelectric cell flame to be identified module.In this way, pin ring can be allowed to recognize surrounding Burning things which may cause a fire disaster.Flame sensor system uses five road integrated form flame sensor modules, is respectively facing different azimuth so that detection knot Fruit is more accurate.Flame sensor can be realized using model r2868 flame sensors.Control module is also detected with fuel gas Module is connected, for detecting whether children are in the hazardous environment of fuel gas.The sensing that fuel gas detection module is used Device is MQ-2, can detect the fuel gas such as carbon monoxide and methane liquefaction gas.Prevent children because fuel gas is poisoned or is burnt The accident caused.
Pin loop system also includes water droplet detection module, can detect whether whole system touches water, and water droplet detection module can be adopted Realized with water droplet sensor YL-83.Because pin ring is worn on ankle, when children dabble, contact feet ring after water submerged ankle Water droplet detection module, water droplet detection module sends a signal to control module, and control module priority acccess control buzzer module is sent Buzzer warns children, while danger signal is sent to mobile phone.The thing caused by dabbling is prevented in the daily life of children Therefore.The external shell of whole pin ring protects internal control system circuit not invaded and harassed by water, and hull outside sets water droplet to sense mould The sensing part of block is used for the information for perceiving water, and sends to control module, so as to relatively good water resistance. Also ensure simultaneously whole system inside chip will not because water inlet and caused by work failure.
Control module is connected with touch button, when touch button is pressed, can send a signal to control module, control module meeting Sent by communication module to mobile phone so that children can actively timely call parents, ask for help, such as control button is set For key-press module, control module uses single-chip microcomputer, and single-chip microcomputer receives signal after module is pushed button, so as to send or cry letter Number into father and mother's mobile phone.
Pin loop system is provided with d GPS locating module and base station network auxiliary positioning module, for accurately determining youngster in real time Virgin position.When child is in and out of built-up shopping centre, gps system is possible to that signal or swinging of signal can be lost It is fixed.In order to tackle such case, while determining more accurate position positioning, base station net is utilized while GPS module is positioned Network auxiliary positioning module carries out auxiliary positioning, so as to obtain more accurate positional information.Base station auxiliary positioning module bag Mobile base station receiver module, base station data library module, MCU processor modules, Anneta module are included, Anneta module is used to receive base Stand after signal and to be transferred to MCU processor modules, the jade base station database connection of MCU processor modules through mobile base station receiver module Position data for inquiring about base station, then MCU processors position data is sent into control module.Occur in the present system During the dangerous situation that children are likely encountered, control module can send danger signal to the mobile phone of father and mother, so that remind father and mother to note, The positional information of children is sent to mobile phone simultaneously, it is convenient to be believed in time according to position while father and mother receive children's danger signal Breath searches out children.It is combined using both positioning methods, the positional information of child ensure that error within several meters.Such as This accurate positional information, can not only ensure the safety of child, while oneself can be quickly found out by being also convenient for father and mother Child.
As shown in Fig. 2 after the principle flow chart of the present invention, open system, control module starts, control module receives each The signal of module collection, and Treatment Analysis is carried out to signal, determine whether children are under hazardous environment, if in hazardous environment When, camera module photographed data can be controlled while triggering buzzer module to sound the alarm, bad person is given warning.Simultaneously by youngster Virgin information in the hole and the positional information where children send the mobile phone to father and mother or guardian, for father and mother Or guardian quickly handles and finds children in time.Dangerous information described in wherein Fig. 2 includes hyperpyrexia, environment temperature mistake High, waistband buckle is de-, and solution is to hazardous area, close to burning things which may cause a fire disaster, in imflammable gas environment and ankle is common by children such as water submergeds Precarious position under danger signal.By the processing to these signals can real-time early warning well, so as to protect children, subtract Few property invade and other security incidents generation.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented not by aforesaid way Limitation, as long as employ technical solution of the present invention progress various unsubstantialities improvement, or it is not improved by the present invention Design and technical scheme directly apply to other occasions, within protection scope of the present invention.

Claims (10)

1. children are with multifunctional safe pin loop system, including pin ring body and control system, it is characterised in that:Described control system System includes control module, camera module and buzzer module, described control module respectively with camera module and buzzer Module is connected, and the safety leg loop system also includes belt body, buckle and is arranged on corresponding with buckle in belt body Buckle slot, pressure sensor is set in the buckle slot, and the pressure sensor is connected with control module, the pressure sensing Pressure data in the corresponding buckle slot detected is transferred to control module by device, and the control module is according to waistband buckle slot The change control camera module of pressure and the work of buzzer module.
2. children's multifunctional safe pin loop system as claimed in claim 1, it is characterised in that:Described control module passes through logical Letter module is connected with mobile phone, information and send control information to control mould that the receive and control module that described mobile phone is used for is transmitted Block.
3. children's multifunctional safe pin loop system as claimed in claim 1, it is characterised in that:Described camera module has Take pictures and image both of which, the data storage that the switching of its pattern is shot by control module control, described camera module In memory.
4. children's multifunctional safe pin loop system as claimed in claim 3, it is characterised in that:Described pin loop system includes The first battery module that camera module is powered, the first described battery module includes battery management system, described cell tube Manage system detectio to the first battery module electricity it is low when to control module send signal, described control module receives low battery Camera module is controlled to be operated in exposal model after signal.
5. children's Multifunctional foot loop system as claimed in claim 2, it is characterised in that:Described pin loop system includes positioning mould Block, described locating module includes d GPS locating module and base station network auxiliary positioning module, for accurately determining children in real time Position.
6. children's Multifunctional foot loop system as claimed in claim 2, it is characterised in that:Described pin loop system also includes body temperature Measurement module and ambient temperature measurement module, control module are electrically connected with measurement of bldy temperature module and ambient temperature measurement module respectively Connect.
7. children's Multifunctional foot loop system as claimed in claim 2, it is characterised in that:Described control module connection flame is passed Sensor module, for detecting nearby whether there is burning things which may cause a fire disaster.
8. children's multifunctional safe pin loop system as claimed in claim 2, it is characterised in that:Described pin loop system also includes Fuel gas detection module, described fuel gas detection module is electrically connected with control module.
9. children's multifunctional safe pin loop system as claimed in claim 2, it is characterised in that:Described pin loop system also includes Water droplet detection module, the water droplet detection module is connected with control module.
10. children's multifunctional safe pin loop system as claimed in claim 2, it is characterised in that:Described control module is with touching Button connects are touched, described touch button sends a signal to control module after pressing.
CN201710530791.2A 2017-07-03 2017-07-03 Children are with multifunctional safe pin loop system Withdrawn CN107204097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710530791.2A CN107204097A (en) 2017-07-03 2017-07-03 Children are with multifunctional safe pin loop system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710530791.2A CN107204097A (en) 2017-07-03 2017-07-03 Children are with multifunctional safe pin loop system

Publications (1)

Publication Number Publication Date
CN107204097A true CN107204097A (en) 2017-09-26

Family

ID=59910586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710530791.2A Withdrawn CN107204097A (en) 2017-07-03 2017-07-03 Children are with multifunctional safe pin loop system

Country Status (1)

Country Link
CN (1) CN107204097A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107912842A (en) * 2017-12-07 2018-04-17 广东岭南职业技术学院 A kind of baby safe protective device
CN109920210A (en) * 2019-04-03 2019-06-21 中国地质大学(北京) A kind of disadvantaged group's method for security protection based on hidden positioning
CN109951684A (en) * 2019-03-15 2019-06-28 北京筑梦园科技有限公司 A kind of method for monitoring power supply state, server and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107912842A (en) * 2017-12-07 2018-04-17 广东岭南职业技术学院 A kind of baby safe protective device
CN109951684A (en) * 2019-03-15 2019-06-28 北京筑梦园科技有限公司 A kind of method for monitoring power supply state, server and system
CN109920210A (en) * 2019-04-03 2019-06-21 中国地质大学(北京) A kind of disadvantaged group's method for security protection based on hidden positioning

Similar Documents

Publication Publication Date Title
US20190080574A1 (en) Anti-theft method and system for baby stroller
CN109544853A (en) A kind of smog coal gas detection method and detection system
US20150302719A1 (en) Man Down Detector
CN104504854B (en) Alarming method for detecting fall over of human body
CN107204097A (en) Children are with multifunctional safe pin loop system
CN108416979A (en) A kind of intelligence the elderly's tumbling alarm system
CN206210041U (en) A kind of smoke and temperature inductive combined type fire-alarm of intelligent positioning
CN104886858B (en) A kind of mine operation personnel dangerous sports status alert safety cap
CN205508052U (en) Intelligence fire detection alarm system
CN104705921A (en) Bluetooth intelligent infant guarding and positioning bracelet and positioning method thereof
WO2018121792A1 (en) Electronic monitor and control method thereof
US9640056B2 (en) Method for sensing emergency in response to physical and mental shock and apparatus for sensing emergency using the method
CN106344035A (en) Human body health monitoring system
CN105564487B (en) A kind of infant car seat pocket
CN208602437U (en) A kind of Vehicular intelligent monitoring device
CN207233159U (en) A kind of children are with multifunctional safe foot loop system
CN112644416A (en) Left-over child monitoring and rescuing system in vehicle
CN209027585U (en) A kind of active cooking fire prevention warning device
WO2018006257A1 (en) Smart underpants and alarm control method thereof
CN204791430U (en) Children's security monitoring and autoalarm
CN205680248U (en) The device that a kind of children of preventing drown
CN206594795U (en) Anti- safe bag of wandering away
CN107224279A (en) A kind of monitor set and measurement function are in the health measurement device of one
CN204733959U (en) Dangerous motion state warning safety helmet of mine operation personnel
CN207742540U (en) It is a kind of can automatic disinfection real time monitoring intelligent takeaway box

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20170926

WW01 Invention patent application withdrawn after publication