CN107293102A - A kind of hand-held gas meter reading device of automatic alarm based on ZigBee and its control method - Google Patents
A kind of hand-held gas meter reading device of automatic alarm based on ZigBee and its control method Download PDFInfo
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- CN107293102A CN107293102A CN201710565403.4A CN201710565403A CN107293102A CN 107293102 A CN107293102 A CN 107293102A CN 201710565403 A CN201710565403 A CN 201710565403A CN 107293102 A CN107293102 A CN 107293102A
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- 238000000034 method Methods 0.000 title claims description 7
- 238000004891 communication Methods 0.000 claims abstract description 73
- 239000007789 gas Substances 0.000 claims description 124
- 239000000567 combustion gas Substances 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of hand-held gas meter reading device of automatic alarm based on ZigBee, including microcontroller (1), display module (2), sound and light alarm module (3), ZigBee module (4), gsm module (5), infrared module (6), gas security (7), temperature sensor (8), memory module (9), Keysheet module (10), power module (11) and clock module (12)；Display module (2), sound and light alarm module (3), ZigBee module (4), gsm module (5), infrared module (6), gas security (7), temperature sensor (8), memory module (9), Keysheet module (10), clock module (12) with microcontroller (1) while be connected, power module (11) is connected with microcontroller (1), realize the remote meter reading of intelligent radio, communication mode is various, it is widely applicable, automatic alarm during gas leakage, detect whether there is the potential safety hazards such as gas leakage while meter reading, increase gas safe and check number of times and reduction inspection manpower and materials cost, fire preventing accident occurs.
Description
Technical field
The present invention relates to a kind of hand-held gas meter reading device, the ZigBee hand-held gas meter reading of automatic alarm is based especially on
Device.
Background technology
With the development and growth in the living standard of urbanization, combustion gas is progressed into ordinarily resident family, is compared to morning
The bottled gas that phase generally uses, its is easy to use and cost is relatively low, receives the welcome of resident, but there is also one simultaneously
Fixed potential safety hazard, gas leakage is difficult to discover, if causing fire to bring massive losses to the personal property of resident after leakage.Combustion
Need relevant unit periodically to visit carry out safety inspection during gas use, ensure combustion gas to a certain extent using safety, but it is this
The mode of inspecting periodically checks that number of times is few, frequency is low, to ensureing that combustion gas safety in utilization effect is limited.At present, known hand-held combustion
Gas meter copying device is mainly carried out data transmission by over the horizon communication system and gas meter, flow meter, and collection user's gas uses the number such as number of degrees
According to.But, these gas meter reading devices can not be carried out multiple by the various wireless communication mode including ZigBee communication
The far distance automatic meter reading of gas meter, flow meter, communication distance is short, meter reading efficiency is low, and can not detect indoor environment, it is difficult to find combustion in time
Situations such as gas leakage, it is easily caused delay processing opportunity.
The content of the invention
The technical problem to be solved in the present invention is：Overcome existing hand-held gas meter reading device communication mode it is single, communication
Apart from short, and when can not detect indoor environment, the emergency cases such as gas leakage occur can not early warning in time deficiency, the present invention
A kind of hand-held gas meter reading device is provided, the hand-held gas meter reading device can not only realize intelligent remote-wireless meter reading, and
Indoor environment can be detected simultaneously, when gas concentration is too high in environment or during too high temperature, automatic alarm.
The technical solution adopted for the present invention to solve the technical problems is：A kind of hand-held combustion of the automatic alarm based on ZigBee
Gas meter copying device, it is characterised in that：Including microcontroller (1), display module (2), sound and light alarm module (3), ZigBee module
(4), gsm module (5), infrared module (6), gas security (7), temperature sensor (8), memory module (9), Keysheet module
(10), power module (11) and clock module (12)；
The microcontroller (1), for being controlled to hand-held each module of gas meter reading device；The display module (2), is used for
Meter reading data that display time, gas meter, flow meter are sended over and the abnormal conditions state detected；Sound and light alarm module (3), is used for
Hand-held gas meter reading device, which is detected, to be occurred sending alarm sound during gas concentration is too high or temperature is too high abnormal conditions and dodging
Bright light is alarmed；ZigBee module (4), for being communicated by ZigBee communication mode and gas meter, flow meter, sends data
The data sended over to gas meter, flow meter or reception gas meter, flow meter；Gsm module (5), for being carried out by gsm communication mode and gas meter, flow meter
Communication, sends data to gas meter, flow meter or receives the data that gas meter, flow meter is sended over, and can be used for passing through gsm communication mode and management
Member's mobile phone is communicated, and is sent data to keeper's mobile phone or is received the data that keeper's mobile phone is sended over；Infrared module
(6), for being communicated by over the horizon communication system and gas meter, flow meter, send data to gas meter, flow meter or reception gas meter, flow meter is sended over
Data；Gas security (7), the combustable gas concentration for detecting hand-held gas meter reading device local environment；TEMP
Device (8), the temperature value for detecting hand-held gas meter reading device local environment；Memory module (9), what is received for storing copies
Table data；Keysheet module (10), for human-computer interaction, including selection communication mode, unlatching meter reading procedure, device switching on and shutting down；Electricity
Source module (11), for providing voltage swing suitable and stable power supply for hand-held each module of gas meter reading device；Clock module
(12), for timing there is provided real-time time data, including year, month, day, week, when, minute, second；The Keysheet module (10) includes：
ZigBee communication buttons (13), for selecting ZigBee communication mode and gas meter, flow meter to be communicated；Gsm communication button (14), is used
Communicated in selection gsm communication mode and gas meter, flow meter；Infrared communication button (15), for selecting over the horizon communication system and combustion gas
Table is communicated；Meter reading button (16), sends meter reading command program for startup and starts meter reading；Power button (17), for opening
Open or close hand-held gas meter reading installation's power source.
Gas meter, flow meter can be transmitted by ZigBee communication, infrared communication two ways in hand-held gas meter reading device and resident family
Data, hand-held gas meter reading device by GSM network can transmit data with keeper's mobile phone.
Microcontroller, gas security, temperature sensor and audible-visual annunciator are added in hand-held gas meter reading device.When
When gas security detects indoor fuel gas excessive concentration, microcontroller starts acoustic-optic alarm, can also be sent out by gsm module
Alarm content to keeper's mobile phone is sent to be alarmed；And when temperature sensor detect indoor environment temperature it is too high when, micro-control
Device processed starts acoustic-optic alarm, and can also send alarm content to keeper's mobile phone by gsm module is alarmed, and reaches detection
Indoor environment, the purpose for finding automatic alarm during gas leakage.
Compared with prior art, the beneficial effects of the invention are as follows can be with the remote meter reading of intelligent radio, you can pass through
ZigBee communication, gsm communication mode reliable transmitting data, while being also compatible with the over the horizon communication system in conventional gas table, are applicable
Extensively, and gas security and temperature sensor can be passed through detect indoor environment, occur automatic alarm during gas leakage, in meter reading
While detect whether there is the potential safety hazards such as gas leakage, increase gas safe check number of times and reduction check manpower and materials into
This, fire preventing accident occurs.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic diagram of Keysheet module.
Fig. 3 is the workflow diagram of hand-held gas meter reading device.
Fig. 4 is alarm subroutine flow chart.
1. microcontroller in figure, 2. display modules, 3. sound and light alarm modules, 4.ZigBee modules, 5.GSM modules, 6. is red
Outer mold piece, 7. gas securities, 8. temperature sensors, 9. memory modules, 10. Keysheet modules, 11. power modules, 12. clock moulds
Block, 13. ZigBee communication buttons, 14.GSM communication buttons, 15. infrared communication buttons, 16. meter reading buttons, 17. power buttons.
Embodiment
To make present disclosure clearer, below in conjunction with the accompanying drawings, the embodiment to the present invention makees further
It is described in detail.It should be noted that it is common to eliminate unrelated to the invention, this area for purposes of clarity, in accompanying drawing and explanation
The expression and description of part known to technical staff.
Embodiment 1 is as shown in figure 1, a kind of hand-held gas meter reading device of automatic alarm based on ZigBee, including micro-control
Device 1 processed, display module 2, sound and light alarm module 3, ZigBee module 4, gsm module 5, infrared module 6, gas security 7, temperature
Sensor 8, memory module 9, Keysheet module 10, power module 11, clock module 12, display module 2 are connected with microcontroller 1,
Sound and light alarm module 3 is connected with microcontroller 1, and ZigBee module 4 is connected with microcontroller 1, gsm module 5 and the phase of microcontroller 1
Even, infrared module 6 is connected with microcontroller 1, and gas security 7 is connected with microcontroller 1, temperature sensor 8 and microcontroller 1
It is connected, memory module 9 is connected with microcontroller 1, and Keysheet module 10 is connected with microcontroller 1, power module 11 and microcontroller 1
It is connected, clock module 12 is connected with microcontroller 1.
The hand-held gas meter reading device of a kind of automatic alarm based on ZigBee includes rectangle shell.The microcontroller
Device 1 and ZigBee module 4 use CC2530 integrated chips.The display module 2 uses 12864OLED（Organic light-emitting diodes
Pipe）.The sound and light alarm module 3 includes buzzer and LED（Light emitting diode）.The gsm module 5 includes SIM card, described
The integrated chip SIM800C that SIM card is used with gsm module 5 is connected.The infrared module 6 is comprising infrared transmitter and infrared connects
Receive device.The model MQ-9 of gas security 7, can detect fuel gas and the CO gas such as methane, liquefied petroleum gas,
It is widely applicable, it is safe.The temperature sensor 8 uses DS18B20 integrated chips.The memory module 9 uses AT24C16
Integrated chip, its memory space is 2048x8（16k）, with 2 line serial line interfaces, line is few, and communication is simple.The Keysheet module
10 include 5 buttons.The clock module 12 uses DS1302 integrated chips, and it is a kind of high-performance, low-power consumption, band RAM
Real time clock circuit, can to year, month, day, week, when, minute, second carry out timing, with leap year compensation function, operating voltage is
2.0V-5.5V, can connect back-up source, it is ensured that still reliably working when main power source electric energy exhausts.
The power module 11 includes three pieces of rechargeable type lithium batteries, LDO（Low pressure difference linear voltage regulator）It is depressured core
Piece and a LDO boost chip.The lithium battery voltage is 3.7-4.2V, and battery size is 18650, and battery capacity is
First piece of connection LDO decompression chip in 3000mAh, three pieces of lithium batteries, is the He of microcontroller 10 after being 3.3V through decompression
ZigBee module 4 is powered, and second piece of lithium battery connects LDO boost chips, it is boosted be after 5V be display module 2, infrared module
6th, gas security 7, temperature sensor 8, clock module 12 are powered, and the 3rd piece of lithium battery is powered to gsm module 5.
As shown in Fig. 2 Keysheet module includes five buttons, respectively ZigBee communication button 13, gsm communication button 14,
Infrared communication button 15, meter reading button 16, power button 17.
When the ZigBee communication button 13 is pressed, ZigBee communication mode is selected.The gsm communication button 14 is pressed
When, select gsm communication mode.When the infrared communication button 15 is pressed, over the horizon communication system is selected.The meter reading button 16 is pressed
When lower, meter reading order is sent.When the first time of power button 17 presses, device start, when pressing again, device shutdown,
By that analogy, circulation start and shutdown.
As shown in figure 3, a kind of main program workflow of the hand-held gas meter reading device of automatic alarm based on ZigBee, bag
Include after device unlatching, system initialization is carried out first, the working condition and related register initial value to microcontroller 1 are set
It is fixed；Then current date and time data are shown by display module 2, current date and time data are carried by clock module 12
For, data include year, month, day, week, when, minute, second；Button is waited to press selection communication mode again, if in Keysheet module 10
ZigBee communication button 13 presses selection ZigBee communication mode, and gsm communication button 14 presses selection gsm communication mode, infrared
Communication button 15 presses selection over the horizon communication system；Wait meter reading button to press beginning meter reading, lead to if meter reading button 16 is pressed
Cross selected communication mode and send meter reading order into gas meter, flow meter；The data such as the combustion gas number of degrees that gas meter, flow meter is sended over are received, will
The data received are stored by memory module 9；Then the data received are shown by display module 2；Then call
Alarm subprogram；After the completion of wait new order until end.
As shown in figure 4, alarm subroutine flow, including call after this subprogram, initialized first, then read combustion
The gas concentration reading of gas sensor 7, it is compared with the standard value set, if current gas concentration is higher than standard value,
Startup audible-visual annunciator 3 sends alarm sound and flashing is alarmed, if current gas concentration is not higher than standard value, directly
Display current gas concentration is connect, then reads the temperature value read of temperature sensor 8, it is compared with the standard value set, such as
Fruit current temperature value is higher than standard value, and startup audible-visual annunciator 3 sends alarm sound and flashing is alarmed, if currently
Temperature value is not higher than standard value, directly displays current temperature value.
When the indoor fuel gas excessive concentration that gas security 7 is detected, shown by microcontroller 1 by display module 2
" the warning of abnormal conditions state:Detect gas concentration too high "；And the indoor environment temperature mistake detected when temperature sensor 8
Gao Shi, also shows the " warning of abnormal conditions state by microcontroller 1 by display module 2:Detect temperature too high ".
When the indoor fuel gas excessive concentration that gas security 7 is detected, report is sent by gsm module 5 by microcontroller 1
Alert content " detecting gas concentration too high " to keeper's mobile phone is alarmed；And the indoor ring that temperature sensor 8 is detected
When border temperature is too high, alarm content " detecting temperature too high " is also sent to user mobile phone by gsm module 5 by microcontroller 1
Alarmed.
Keeper's available handsets send meter reading order short message to hand-held gas meter reading device by gsm communication mode, hand-held
The combustion gas number of degrees of storage are sent back keeper's mobile phone by gas meter reading device by gsm communication mode.
Finally it should be noted that：Above-mentioned embodiment is used for illustrating the present invention, rather than to present invention progress
Limitation, modifies for the technical scheme that those skilled in the art can be still illustrated embodiment, and
Protection scope of the present invention also should be regarded as to any modifications and changes that the present invention makes.
Claims (8)
1. a kind of hand-held gas meter reading device of automatic alarm based on ZigBee, it is characterised in that：Including microcontroller (1), show
Show module (2), sound and light alarm module (3), ZigBee module (4), gsm module (5), infrared module (6), gas security (7),
Temperature sensor (8), memory module (9), Keysheet module (10), power module (11) and clock module (12)；
The microcontroller (1), for being controlled to hand-held each module of gas meter reading device；The display module (2), is used for
Meter reading data that display time, gas meter, flow meter are sended over and the abnormal conditions state detected；Sound and light alarm module (3), is used for
Hand-held gas meter reading device, which is detected, to be occurred sending alarm sound during gas concentration is too high or temperature is too high abnormal conditions and dodging
Bright light is alarmed；ZigBee module (4), for being communicated by ZigBee communication mode and gas meter, flow meter, sends data
The data sended over to gas meter, flow meter or reception gas meter, flow meter；Gsm module (5), for being carried out by gsm communication mode and gas meter, flow meter
Communication, sends data to gas meter, flow meter or receives the data that gas meter, flow meter is sended over, and can be used for passing through gsm communication mode and management
Member's mobile phone is communicated, and is sent data to keeper's mobile phone or is received the data that keeper's mobile phone is sended over；Infrared module
(6), for being communicated by over the horizon communication system and gas meter, flow meter, send data to gas meter, flow meter or reception gas meter, flow meter is sended over
Data；Gas security (7), the combustable gas concentration for detecting hand-held gas meter reading device local environment；TEMP
Device (8), the temperature value for detecting hand-held gas meter reading device local environment；Memory module (9), what is received for storing copies
Table data；Keysheet module (10), for human-computer interaction, including selection communication mode, unlatching meter reading procedure, device switching on and shutting down；Electricity
Source module (11), for providing voltage swing suitable and stable power supply for hand-held each module of gas meter reading device；Clock module
(12), for timing there is provided real-time time data, including year, month, day, week, when, minute, second；The Keysheet module (10) includes：
ZigBee communication buttons (13), for selecting ZigBee communication mode and gas meter, flow meter to be communicated；Gsm communication button (14), is used
Communicated in selection gsm communication mode and gas meter, flow meter；Infrared communication button (15), for selecting over the horizon communication system and combustion gas
Table is communicated；Meter reading button (16), sends meter reading command program for startup and starts meter reading；Power button (17), for opening
Open or close hand-held gas meter reading installation's power source；
The display module (2) is connected with microcontroller (1), and sound and light alarm module 3 is connected with microcontroller (1), ZigBee moulds
Block (4) is connected with microcontroller (1), and gsm module (5) is connected with microcontroller (1), infrared module (6) and microcontroller (1) phase
Even, gas security (7) is connected with microcontroller (1), and temperature sensor (8) is connected with microcontroller (1), memory module (9)
It is connected with microcontroller (1), Keysheet module (10) is connected with microcontroller (1), clock module (12) and microcontroller (1) phase
Even, power module (11) is connected and powered with microcontroller (1).
2. the hand-held gas meter reading device of a kind of automatic alarm based on ZigBee according to claim 1, it is characterised in that：
Every hand-held gas meter reading device passes through ZigBee communication mode and at least one gas meter, flow meter wireless connection.
3. the hand-held gas meter reading device of a kind of automatic alarm based on ZigBee according to claim 1, it is characterised in that：
Every hand-held gas meter reading device passes through gsm communication mode and at least one gas meter, flow meter wireless connection.
4. the hand-held gas meter reading device of a kind of automatic alarm based on ZigBee according to claim 1, it is characterised in that：
Every hand-held gas meter reading device passes through over the horizon communication system and at least one gas meter, flow meter wireless connection.
5. the hand-held gas meter reading device of a kind of automatic alarm based on ZigBee according to claim 1, it is characterised in that：
Hand-held gas meter reading device and keeper's mobile phone transmit data by gsm communication mode.
6. the control based on a kind of any described hand-held gas meter reading devices of automatic alarm based on ZigBee of claim 1-5
Method, it is characterised in that including：After device is opened, system initialization is carried out first, working condition to microcontroller (1) and
Related register initial value is set；Then by display module (2) show current date and time data, current date and when
Between data by clock module (12) provide, data include year, month, day, week, when, minute, second；Button is waited to press selection communication again
Mode, if the ZigBee communication button (13) in Keysheet module (10) presses selection ZigBee communication mode, gsm communication button
(14) selection gsm communication mode is pressed, infrared communication button (15) presses selection over the horizon communication system；Meter reading button is waited to press
Start meter reading, meter reading order is sent into gas meter, flow meter by selected communication mode if meter reading button (16) is pressed；Receive combustion
The data such as the combustion gas number of degrees that gas meter is sended over, the data received are stored by memory module (9)；Then by aobvious
Show the data that module (2) display is received；Then alarm subprogram is called；After the completion of wait new order until end.
7. a kind of control method of the hand-held gas meter reading device of automatic alarm based on ZigBee according to claim 6,
Characterized in that, the alarm subprogram, including, initialized first, then read gas security (7) gas concentration and read
Number, it is compared with the standard value set, if current gas concentration is higher than standard value, starts audible-visual annunciator (3) hair
Go out alarm sound and flashing is alarmed, if current gas concentration is not higher than standard value, directly display current gas dense
Degree, then temperature sensor (8) temperature value read is read, it is compared with the standard value set, if current temperature value is high
In standard value, startup audible-visual annunciator (3) sends alarm sound and flashing is alarmed, if current temperature value is not higher than
Standard value, directly displays current temperature value.
8. a kind of control method of the hand-held gas meter reading device of automatic alarm based on ZigBee according to claim 7,
Characterized in that, when the indoor fuel gas excessive concentration that gas security (7) is detected, by microcontroller (1) by showing mould
Block (2) shows " warning of abnormal conditions state:Detect gas concentration too high "；And the room detected when temperature sensor (8)
When interior environment temperature is too high, display module (2) is also passed through by microcontroller (1) and shows " the warning of abnormal conditions state:Detect temperature
Spend height ";When the indoor fuel gas excessive concentration that gas security (7) is detected, gsm module (5) are passed through by microcontroller (1)
Alarm content " detecting gas concentration too high " to keeper's mobile phone is sent to be alarmed；And temperature sensor (8) is detected
Indoor environment temperature it is too high when, also by microcontroller (1) by gsm module (5) send alarm content " detect temperature mistake
Height " to user mobile phone is alarmed；Keeper's available handsets send meter reading order short message to hand-held combustion gas by gsm communication mode
The combustion gas number of degrees of storage are sent back keeper's mobile phone by meter copying device, hand-held gas meter reading device by gsm communication mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565403.4A CN107293102A (en) | 2017-07-12 | 2017-07-12 | A kind of hand-held gas meter reading device of automatic alarm based on ZigBee and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565403.4A CN107293102A (en) | 2017-07-12 | 2017-07-12 | A kind of hand-held gas meter reading device of automatic alarm based on ZigBee and its control method |
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| Publication Number | Publication Date |
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| CN107293102A true CN107293102A (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565403.4A Pending CN107293102A (en) | 2017-07-12 | 2017-07-12 | A kind of hand-held gas meter reading device of automatic alarm based on ZigBee and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108629951A (en) * | 2018-05-21 | 2018-10-09 | 浙江千亿家和智慧能源科技有限公司 | A kind of Intelligent combustible gas alarm system |
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| CN204680190U (en) * | 2015-05-29 | 2015-09-30 | 浙江先芯科技有限公司 | A kind of Automatic meter reading system |
| CN205540002U (en) * | 2016-01-21 | 2016-08-31 | 苏州市职业大学 | Wisdom home systems based on internet of things |
| CN205751132U (en) * | 2016-06-29 | 2016-11-30 | 江西高创保安服务技术有限公司 | A kind of multifunctional all household alarm control system |
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2017
- 2017-07-12 CN CN201710565403.4A patent/CN107293102A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204680190U (en) * | 2015-05-29 | 2015-09-30 | 浙江先芯科技有限公司 | A kind of Automatic meter reading system |
| CN205540002U (en) * | 2016-01-21 | 2016-08-31 | 苏州市职业大学 | Wisdom home systems based on internet of things |
| CN205751132U (en) * | 2016-06-29 | 2016-11-30 | 江西高创保安服务技术有限公司 | A kind of multifunctional all household alarm control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108629951A (en) * | 2018-05-21 | 2018-10-09 | 浙江千亿家和智慧能源科技有限公司 | A kind of Intelligent combustible gas alarm system |
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Application publication date: 20171024 |
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| RJ01 | Rejection of invention patent application after publication |