CN207963990U - A kind of intelligent gas meter of built-in omnidirectional antenna - Google Patents
A kind of intelligent gas meter of built-in omnidirectional antenna Download PDFInfo
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- CN207963990U CN207963990U CN201820246560.9U CN201820246560U CN207963990U CN 207963990 U CN207963990 U CN 207963990U CN 201820246560 U CN201820246560 U CN 201820246560U CN 207963990 U CN207963990 U CN 207963990U
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Abstract
A kind of intelligent gas meter of built-in omnidirectional antenna, belongs to gas meter, flow meter technical field.Including shell of gas meter, air inlet is provided at the top of shell of gas meter（1）The gas outlet and（4）, combustion gas is respectively through air inlet（1）The gas outlet and（4）It is into and out, it is characterised in that：Shell of gas meter is by protecgulum（2）It is fastened with before and after rear shell, in protecgulum（2）Front end face be provided with protrusion procapsid（7）, in procapsid（7）Display screen is provided with above front end face（5）, display screen（5）Lower section is provided with battery compartment, and control circuit, display screen are internally provided in shell of gas meter（5）Access control circuit.In the intelligent gas meter of omnidirectional antenna built in sheet, by the way that communication antenna is designed as omnidirectional antenna, communication effect is improved, simultaneously using the structure of spiral winding, the volume of communication antenna is reduced, therefore can be placed in shell of gas meter, the stability and beauty of communication antenna are improved.
Description
Technical field
A kind of intelligent gas meter of built-in omnidirectional antenna, belongs to gas meter, flow meter technical field.
Background technology
With the continuous improvement of people's living standards, city gas cause is fast-developing, combustion gas resident rapidly increases.
But the gas meter, flow meter in average family only realizes the function of measuring of combustion gas at present, automatization level is relatively low, in the prior art
In, there is also there are some intelligent gas meters, control circuit can be utilized to realize the remote control to gas meter, flow meter, but due to intelligence
Gas meter, flow meter needs are wirelessly communicated with the external world, therefore antenna becomes indispensable component, if antenna uses
External, the requirement to antenna volume is relatively small, but can influence the aesthetic measure of gas meter, flow meter product to a certain extent, together
Shi Rongyi, which is accidentally touched, causes antenna to damage, and stability is caused to decline.And if using built-in antenna, to the volume requirement of antenna
It is more harsh, it if fruit volume is larger, can not be fitted into shell of gas meter, launching effect is poor if small volume, it is difficult to full
The long-range transmitting-receiving of foot requires, while still data upload can consume a large amount of electric energy, and due in gas meter, flow meter combustion gas belong to it is inflammable easily
Gas explosion body, therefore gas meter, flow meter is not suitable for being powered using alternating current, therefore cruising ability also becomes restriction intelligent gas
One of the bottleneck of table development.
Invention content
The technical problems to be solved in the utility model is：One kind is overcome the deficiencies of the prior art and provide by the way that day will be communicated
Line is designed as omnidirectional antenna, improves communication effect, while using the structure of spiral winding, reducing the volume of communication antenna,
Therefore it can be placed in shell of gas meter, improve the intelligent gas of the stability and beautiful built-in omnidirectional antenna of communication antenna
Table.
Technical solution adopted by the utility model to solve its technical problems is：The intelligent gas of the built-in omnidirectional antenna
Table, including shell of gas meter, are provided with air inlet and gas outlet at the top of shell of gas meter, and combustion gas through air inlet and goes out respectively
Gas port is into and out, it is characterised in that：Shell of gas meter is set by being fastened before and after protecgulum and rear shell in the front end face of protecgulum
It is equipped with the procapsid of protrusion, display screen is provided with above procapsid front end face, battery compartment is provided with below display screen, is firing
Gas meter enclosure is provided with control circuit, and display screen accesses control circuit；
Shell of gas meter inner tip is provided with the communication antenna of access control circuit, communication antenna is omnidirectional antenna,
Communication antenna includes spiral winding, is connected with feeder pillar in the ending vertical of spiral winding, is additionally provided in the side of feeder pillar
Auxiliary rod.
Preferably, the spiral winding is horizontally disposed, and connecting rod, connecting rod are connected in the end horizontal of spiral winding
End vertical be formed by bending the feeder pillar being vertically arranged.
Preferably, the auxiliary rod includes the supporting rod and transiting rod being connected with each other, and supporting rod and transiting rod vertically connect
Connect L-shaped, wherein transiting rod is connected to the side of feeder pillar, and supporting rod is same as feeder pillar to be vertically arranged.
Preferably, the length of the feeder pillar is 38mm, and the axial length of spiral winding in the horizontal direction is
The horizontal length of 37.25mm, transiting rod are 12.5mm, and the length of supporting rod is 5.6mm.
Preferably, the resonant frequency of the communication antenna is 433MHz, input impedance is 50 Ω.
Preferably, the control circuit includes main control module, metering module, wireless communication module and valve driving
Module, metering module are mounted in the air inlet pipe of combustion gas, and signal output end is connected with the signal input part of main control module, main
The signal output end of control module is connected with valve drive module, and wireless communication module is double with main control module input/output port
To connection, the communication antenna is connected on wireless communication module.
Preferably, the wireless communication module includes the integrated chip U3 of model CC1100E, at chip U3 1 foot ~
The foot of 4 feet and 6 feet ~ 7 is connected with main control module respectively, one end of 4 feet parallel connection power supply Vcc and capacitance C16 simultaneously, the connection of 5 feet
The other end of one end of capacitance C2, capacitance C2 and capacitance C16 are grounded, one end of 8 feet of integrated chip U3 while crystal oscillator X1 in parallel
And one end of capacitance C5, one end of the other end and capacitance C6 of 8 feet of integrated chip U3 while crystal oscillator X1 in parallel, capacitance C5
The other end of ~ C6 is grounded, 9 feet of power Vcc while integrated chip U3 in parallel, the one of 11 feet, 14 feet, 15 feet and capacitance C4
End, the other end ground connection of capacitance C4；
11 feet of integrated chip U3 shunt capacitance C10 ground connection simultaneously, 12 feet of integrated chip U3 simultaneously shunt capacitance C12 with
And one end of inductance L4, the other end series capacitance C11 ground connection of inductance L4,13 feet of integrated chip U3 simultaneously shunt capacitance C9 with
And one end of inductance L1, the other end ground connection of capacitance C9, the other end of inductance L1 and the other end of capacitance C12 series electrical simultaneously
Feel one end of L2 shunt capacitances C13 and inductance L3, the other end of the other end ground connection of capacitance C13, inductance L3 is in parallel simultaneously electric
Hold one end of C14 ~ C15, the other end ground connection of capacitance C14, the other end connecting communication antenna of capacitance C15（3）, integrated chip U3
14 feet shunt capacitance C8 ground connection simultaneously, 15 feet of integrated chip U3 shunt capacitance C7 ground connection simultaneously.
Preferably, it is provided with the gas concentration detection module being connect with main control module, gas concentration monitoring modular is one
Carbon sensor is aoxidized, gas concentration monitoring modular is mounted on the outside of shell of gas meter, is equipped with and fires on shell of gas meter
Gas concentration monitoring modular coordinates the jack of grafting, jack to be connected with main controller module.
Preferably, it is provided with the temperature-measuring module being connect with main control module, temperature-measuring module is mounted on gas meter, flow meter
The outside of shell is equipped with the jack for coordinating grafting with temperature-measuring module, jack and master controller mould on shell of gas meter
Block is connected.
Compared with prior art, advantageous effect possessed by the utility model is：
1, it in the intelligent gas meter of omnidirectional antenna built in sheet, by the way that communication antenna is designed as omnidirectional antenna, improves
Communication effect, while using the structure of spiral winding, the volume of communication antenna is reduced, therefore can be placed in shell of gas meter,
Improve the stability and beauty of communication antenna.
2, gas concentration monitoring modular is mounted on the outside of shell of gas meter, and jack is installed on shell of gas meter, is passed through
Jack is realized with main control module and is connected, while facilitating the installation and replacement of gas concentration monitoring modular.
3, it is provided with enquiry module, enquiry module is an interface being reserved on shell of gas meter, works as radio communication mold
When block can not realize communication in time, it can be led to by manually being realized with main control module by conventional communications protocol by enquiry module
News read related data.
4, wireless communication module uses the wirelessly transferred chip of model CC1100E, CC1100E to be sent out for point-to-point data
It send and reception pattern, this point-to-point data transfer mode can shorten the working time of circuit, reduce the work of microcontroller
Amount, improves work efficiency, reduces the power consumption of circuit.
5, it is omnidirectional antenna by the spiral coil design in communication antenna in the intelligent gas meter of omnidirectional antenna built in sheet, together
When combine routine techniques in inverted F shaped antenna, using inverted F shaped antenna low processing cost, and can be welded direct on pcb board
The advantages of, the advantages of communication antenna combines helical antenna and inverted F shaped antenna, convenient for fixed while greatly reducing communication day
The volume occupied required for line.
Description of the drawings
Fig. 1 is the intelligent gas meter structural schematic diagram of built-in omnidirectional antenna.
Fig. 2 is the intelligent gas meter omnidirectional antenna front view of built-in omnidirectional antenna.
Fig. 3 is the intelligent gas meter omnidirectional antenna left view of built-in omnidirectional antenna.
Fig. 4 is the intelligent gas meter control circuit principle block diagram of built-in omnidirectional antenna.
Fig. 5 is the intelligent gas meter control circuit wireless communication module circuit diagram of built-in omnidirectional antenna.
Wherein：1, air inlet 2, protecgulum 3, communication antenna 4, gas outlet 5, display screen 6, battery compartment 7, preceding
Shell 8, connecting rod 9, feeder pillar 10, spiral winding 11, supporting rod 12, transiting rod.
Specific implementation mode
Fig. 1 ~ 5 are the most preferred embodiments of the utility model, and 1 ~ 5 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
As shown in Figure 1, a kind of intelligent gas meter of built-in omnidirectional antenna, including shell of gas meter, shell of gas meter is by preceding
Lid 2 and bottom case（It is not drawn into figure）Front and back to fasten, the left and right sides is respectively arranged with air inlet 1 at the top of shell of gas meter
With gas outlet 4, gas inlet pipe is accessed in gas meter, flow meter by air inlet 1, is made for user after then being drawn combustion gas by gas outlet 4
With.Control circuit is provided in shell of gas meter, communication antenna 3 is connected in control circuit, and communication antenna 3 is located at gas meter, flow meter
Enclosure top.
It has been provided projectingly procapsid 7 on the surface of protecgulum 2, display screen 5 is provided with above the front end face of procapsid 7,
The lower section of display screen 5 is provided with battery compartment 6, and the power supply for being powered to control circuit is provided in battery compartment 6.
As shown in Fig. 2 ~ 3, communication antenna 3 includes spiral winding 10, and spiral winding 10 is horizontally disposed, and one end is free end
Other end level draws connecting rod 8, and the feeder pillar 9 being vertically arranged is formed in the vertical curve of connecting rod 8,9 bottom of feeder pillar
With the electric forming distributing point of circuit.
It is connected with auxiliary rod in the side of feeder pillar 9, auxiliary rod includes the supporting rod 11 being connected with each other and transiting rod 12, branch
Strut 11 and 12 vertical connection of transiting rod are L-shaped, and wherein transiting rod 12 is connected to the side of feeder pillar 9, supporting rod 11 and feedback
Electric pole 9 is equally vertically arranged.In the intelligent gas meter of omnidirectional antenna built in sheet, the resonant frequency of communication antenna 3 be 433MHz,
Input impedance 50 Ω of approximation, the wherein length of feeder pillar 9 are 38mm, and the axial length of spiral winding 10 in the horizontal direction is
The horizontal length of 37.25mm, transiting rod 12 are 12.5mm, and the length of supporting rod 11 is 5.6mm.
According to the common knowledge of helical antenna in the prior art, day will be communicated in the intelligent gas meter of omnidirectional antenna built in sheet
Spiral coil design in line 3 is that omnidirectional antenna is processed into combination with inverted F shaped antenna in routine techniques using inverted F shaped antenna
This advantage cheap, and can be welded direct on pcb board, communication antenna 3 combine helical antenna and inverted F shaped antenna
Advantage, convenient for fixing while greatly reducing the volume occupied required for communication antenna 3.
As shown in figure 4, the control circuit in the shell of gas meter includes that main control module, clock module, combustion gas are dense
Spend monitoring modular, temperature-measuring module, metering module, power management module, wireless communication module, alarm module, valve driving
Module, LCD display module and enquiry module.Above-mentioned communication antenna 3 is connected from antenna communication module.
The signal output of gas concentration monitoring modular, temperature-measuring module, metering module, clock module and enquiry module
End is connected with the signal input part of main control module.The signal output end of main control module drives mould with LCD display module, valve
Block and alarm module are connected.Wireless communication module is bi-directionally connected with main control module input/output port.Power management module
For to main control module and above-mentioned clock module, gas concentration monitoring modular, temperature-measuring module, metering module, nothing
Line communication module, alarm module, valve drive module, LCD display module and enquiry module provide the power supply needed for work.
Clock module is realized using conventional timing circuit or module, is provided for timing and to main control module real-time
Time data.
Gas concentration monitoring modular is realized using commercially available common carbon monoxide transducer, for monitoring in ambient enviroment
Carbonomonoxide concentration.Gas concentration monitoring modular is preferably mounted at the outside of shell of gas meter, can be installed on shell of gas meter
Jack is realized by jack and main control module and is connected, while facilitating the installation and replacement of gas concentration monitoring modular.
Temperature-measuring module is realized using commercially available common temperature sensor, for detecting the temperature in shell of gas meter；
It can also be mounted on the outside of shell of gas meter, it is real by jack and main control module by installing jack on shell of gas meter
It now connects, can also simultaneously be installed in the inside and outside of shell of gas meter.
Metering module is realized using commercially available common flowmeter, is installed in gas meter, flow meter air inlet pipeline, for gas meter, flow meter
Charge flow rate measures.
Power management module includes that conventional transforming circuit, rectification circuit, filter circuit and commercially available common power supply turn
Chip is changed, is different DC power supplies according to the different switching of modules power demands.
Alarm module can be used common sound-light alarm form and realize.
Valve drive module is used to drive the work of electrically operated valve in gas meter, flow meter, electrically operated valve to be installed on gas meter, flow meter air inlet pipe
Lu Zhong, the switching of gas meter, flow meter air inlet pipeline can be realized by controlling electrically operated valve by valve drive module.
LCD display module such as shows the time, measures for being shown as needed to the operating status of gas meter, flow meter
To the combustion gas number of degrees and the abnormal conditions state etc. that detects, LCD display module be above-mentioned display screen 5.
Enquiry module is an interface being reserved on shell of gas meter, when wireless communication module can not realize communication in time
When, it can be communicated by manually being realized with main control module by conventional communications protocol by enquiry module, read related data.
The MSP430 series monolithics that main control module is released using TI companies, concrete model MSP430F4152,
The chip microcontroller of other models of this series can be used.MSP430 aim at super low-power consumption application and it is well-designed.It is internally integrated
Super low-power consumption oscillator（VLO）And digital controlled oscillator（DCO）, implement the clock system of high flexible, including low frequency auxiliary clock
（ACLK）, main system clock（MCLK）Source, and to the subsystem clock that peripheral module uses（SMCLK）Source.
The integrated chip of the main control chip selection model CC1100E of wireless communication module, CC1100E is a kind of cost
Low, small power consumption, using frequency point without application, can transmitting, can be compatible with wireless sensor network programmable hyperfrequency list
Piece transceiving chip.The working frequency range of CC1100E chips can flexibly be set, and can be located at 315MHz, 433MHz, 868MHz and
The ISM of 915MHz（Industrial science and medical treatment）And SRD（Short-range device）Frequency range.The chip can reach _ 500kBaud can
Programming data transmission rate, and the hardware aspect that can provide processing data packets, data buffering etc. is supported.Transmission range is farthest
Up to 300 ~ 500m, the baud rate that environment and the data of data transmission communicate is different, and transmission range can also occur to change accordingly,
CC1100E is the unlimited chip of transceiver.He is connected by SPI interface with microcontroller MSP430.
As shown in figure 5,1 foot of the integrated chip U3 of model CC1100E ~ foot of 4 foot and 6 feet ~ 7 respectively with master control molding
Block is connected, one end of 4 feet parallel connection power supply Vcc and capacitance C1 simultaneously, and 5 feet connect one end of capacitance C2, capacitance C2 and capacitance C1's
The other end is grounded.One end of one end and capacitance C5 of 8 feet of integrated chip U3 while crystal oscillator X1 in parallel, the 8 of integrated chip U3
One end of the other end and capacitance C6 of foot while crystal oscillator X1 in parallel, the other end ground connection of capacitance C5 ~ C6.Power Vcc simultaneously simultaneously
Join 9 feet of integrated chip U3, one end of 11 feet, 14 feet, 15 feet and capacitance C4, the other end ground connection of capacitance C4.
11 feet of integrated chip U3 shunt capacitance C10 ground connection simultaneously, 12 feet of integrated chip U3 simultaneously shunt capacitance C12 with
And one end of inductance L4, the other end series capacitance C11 ground connection of inductance L4.13 feet of integrated chip U3 simultaneously shunt capacitance C9 with
And one end of inductance L1, the other end ground connection of capacitance C9.The other end of inductance L1 and the other end of capacitance C12 while series electrical
Feel one end of L2 shunt capacitances C13 and inductance L3, the other end of the other end ground connection of capacitance C13, inductance L3 is in parallel simultaneously electric
Hold one end of C14 ~ C15, the other end ground connection of capacitance C14, the other end connection antenna Y1 of capacitance C15.The 14 of integrated chip U3
Shunt capacitance C8 ground connection, 15 feet while shunt capacitance C7 of integrated chip U3 are grounded foot simultaneously.Antenna Y1 is above-mentioned communication
Antenna 3.
In the emission state of CC1100E, baseband signal is directly modulated in carrier frequency by CC1100E；The frequency of module
Synthesizer provides orthogonal local oscillation signal for radiofrequency signal to intermediate frequency to down-conversion mixer, the voltage controlled oscillator of inside and one
90 degree of phase shifter constitutes frequency synthesizer.Two the pins XOSC_Q1 and XOSC_Q2 of CC1100E are connected to external crystal-controlled oscillation
Both ends, the frequency of crystal oscillator is typically chosen as 26MHz, and in crystal oscillator both ends shunt capacitance C5 and capacitance C6, crystal oscillator generates
The required reference frequency of frequency synthesizer, while crystal oscillator also provides clock for the numerical portion of chip and ADC.
In the reception state of CC1100E, low noise is first passed around by the radiofrequency signal that antenna receives（LNA）It is put
Greatly, amplified signal then being transformed into two-way intermediate-freuqncy signal using two frequency mixers, this two paths of signals is I/Q orthogonal,
Then pass through digital analog converter again（AD）Intermediate-freuqncy signal is converted into digital signal.
When transmission data, SPI interface writes data into CC1100E with lower rate, until transferring all data, so
Data high-speed is sent afterwards, finally empties data buffer area（TXFIFO）.When receiving data, chip is connect with higher rate first
RF data signal is received, notifies monolithic is machine-readable to take valid data after finishing receiving.CC1100E is that point-to-point data send and connect
Receipts pattern, this point-to-point data transfer mode can shorten the working time of circuit, reduce the workload of microcontroller, improve
Working efficiency, reduces the power consumption of circuit.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Any simple modification, equivalent variations and remodeling, still fall within the guarantor of technical solutions of the utility model made by confrontation above example
Protect range.
Claims (9)
1. a kind of intelligent gas meter of built-in omnidirectional antenna, including shell of gas meter, be provided at the top of shell of gas meter into
Gas port（1）The gas outlet and（4）, combustion gas is respectively through air inlet（1）The gas outlet and（4）It is into and out, it is characterised in that：Gas meter, flow meter
Shell is by protecgulum（2）It is fastened with before and after rear shell, in protecgulum（2）Front end face be provided with protrusion procapsid（7）, in front housing
Body（7）Display screen is provided with above front end face（5）, display screen（5）Lower section is provided with battery compartment, is set inside shell of gas meter
It is equipped with control circuit, display screen（5）Access control circuit；
Shell of gas meter inner tip is provided with the communication antenna of access control circuit（3）, communication antenna（3）For omnidirectional antennas
Line, communication antenna（3）Including spiral winding（10）, in spiral winding（10）Ending vertical be connected with feeder pillar（9）, feeding
Bar（9）Side be additionally provided with auxiliary rod.
2. the intelligent gas meter of built-in omnidirectional antenna according to claim 1, it is characterised in that：The spiral winding
（10）It is horizontally disposed, in spiral winding（10）End horizontal be connected with connecting rod（8）, connecting rod（8）End vertical bending
Form the feeder pillar being vertically arranged（9）.
3. the intelligent gas meter of built-in omnidirectional antenna according to claim 1, it is characterised in that：The auxiliary rod includes
The supporting rod of interconnection（11）And transiting rod（12）, supporting rod（11）And transiting rod（12）Vertical connection is L-shaped, wherein mistake
Cross bar（12）It is connected to feeder pillar（9）Side, supporting rod（11）With feeder pillar（9）Equally it is vertically arranged.
4. the intelligent gas meter of built-in omnidirectional antenna according to claim 3, it is characterised in that：The feeder pillar（9）'s
Length is 38mm, spiral winding（10）Axial length in the horizontal direction is 37.25mm, transiting rod（12）Horizontal length be
12.5mm supporting rod（11）Length be 5.6mm.
5. the intelligent gas meter of built-in omnidirectional antenna according to claim 1, it is characterised in that：The communication antenna
（3）Resonant frequency be 433MHz, input impedance is 50 Ω.
6. the intelligent gas meter of built-in omnidirectional antenna according to claim 1, it is characterised in that：The control circuit packet
Main control module, metering module, wireless communication module and valve drive module are included, metering module is mounted on the air inlet pipe of combustion gas
In, signal output end is connected with the signal input part of main control module, and signal output end and the valve of main control module drive
Module is connected, and wireless communication module is bi-directionally connected with main control module input/output port, the communication antenna（3）It is connected to
On wireless communication module.
7. the intelligent gas meter of built-in omnidirectional antenna according to claim 6, it is characterised in that：The radio communication mold
Block includes the integrated chip U3 of model CC1100E, at chip U3 1 foot ~ 4 foot and 6 feet ~ 7 foot respectively with main control module
It is connected, one end of 4 feet parallel connection power supply Vcc and capacitance C16 simultaneously, 5 feet connect one end of capacitance C2, capacitance C2 and capacitance C16's
The other end is grounded, one end of one end and capacitance C5 of 8 feet of integrated chip U3 while crystal oscillator X1 in parallel, and the 8 of integrated chip U3
One end of the foot other end of crystal oscillator X1 in parallel and capacitance C6 simultaneously, the other end ground connection of capacitance C5 ~ C6, power Vcc is simultaneously simultaneously
Join 9 feet of integrated chip U3, one end of 11 feet, 14 feet, 15 feet and capacitance C4, the other end ground connection of capacitance C4；
Shunt capacitance C10 is grounded 11 feet of integrated chip U3 simultaneously, 12 feet while shunt capacitance C12 and electricity of integrated chip U3
Feel one end of L4, the other end series capacitance C11 ground connection of inductance L4,13 feet while shunt capacitance C9 and electricity of integrated chip U3
Feel one end of L1, the other end ground connection of capacitance C9, the other end of inductance L1 and the other end of capacitance C12 while series inductance L2
One end of shunt capacitance C13 and inductance L3, the other end ground connection of capacitance C13, the other end while shunt capacitance C14 of inductance L3
One end of ~ C15, the other end ground connection of capacitance C14, the other end connecting communication antenna of capacitance C15（3）, the 14 of integrated chip U3
Shunt capacitance C8 ground connection, 15 feet while shunt capacitance C7 of integrated chip U3 are grounded foot simultaneously.
8. the intelligent gas meter of built-in omnidirectional antenna according to claim 6, it is characterised in that：It is provided with and master control molding
The gas concentration detection module of block connection, gas concentration monitoring modular are carbon monoxide transducer, gas concentration monitoring modular peace
Mounted in the outside of shell of gas meter, the jack that grafting is coordinated with gas concentration monitoring modular is installed on shell of gas meter, is inserted
Hole is connected with main controller module.
9. the intelligent gas meter of built-in omnidirectional antenna according to claim 6, it is characterised in that：It is provided with and master control molding
The temperature-measuring module of block connection, temperature-measuring module are mounted on the outside of shell of gas meter, are equipped on shell of gas meter
The jack of grafting, jack is coordinated to be connected with main controller module with temperature-measuring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246560.9U CN207963990U (en) | 2018-02-11 | 2018-02-11 | A kind of intelligent gas meter of built-in omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246560.9U CN207963990U (en) | 2018-02-11 | 2018-02-11 | A kind of intelligent gas meter of built-in omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207963990U true CN207963990U (en) | 2018-10-12 |
Family
ID=63738926
Family Applications (1)
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|---|---|---|---|
| CN201820246560.9U Active CN207963990U (en) | 2018-02-11 | 2018-02-11 | A kind of intelligent gas meter of built-in omnidirectional antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540239A (en) * | 2019-01-07 | 2019-03-29 | 新开普电子股份有限公司 | A kind of intelligent diaphragm gas meter shell |
| CN113049054A (en) * | 2021-03-12 | 2021-06-29 | 上海晟颢信息科技有限公司 | Based on 4G whole net leads to gas instrument data teletransmission device |
| CN113375747A (en) * | 2020-02-25 | 2021-09-10 | 萨基姆通讯能源及电信联合股份公司 | Combustible fluid meter arranged to detect temperature anomalies |
-
2018
- 2018-02-11 CN CN201820246560.9U patent/CN207963990U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540239A (en) * | 2019-01-07 | 2019-03-29 | 新开普电子股份有限公司 | A kind of intelligent diaphragm gas meter shell |
| CN113375747A (en) * | 2020-02-25 | 2021-09-10 | 萨基姆通讯能源及电信联合股份公司 | Combustible fluid meter arranged to detect temperature anomalies |
| CN113375747B (en) * | 2020-02-25 | 2024-03-08 | 萨基姆通讯能源及电信联合股份公司 | Combustible fluid meter arranged to detect temperature anomalies |
| CN113049054A (en) * | 2021-03-12 | 2021-06-29 | 上海晟颢信息科技有限公司 | Based on 4G whole net leads to gas instrument data teletransmission device |
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Effective date of registration: 20220315 Address after: 255000 Pioneer Park of Zibo science and Technology Industrial Park, Xishou, Sanying Road, Fangzhen Town, Zhangdian District, Zibo City, Shandong Province Patentee after: ZIBO BILLION ELECTRON Co.,Ltd. Address before: 255000 room 404, 4th floor, entrepreneurship Park, Zibo science and Technology Industrial Park, No. 69, Sanying Road, Zhangdian District, Zibo City, Shandong Province Patentee before: SHANDONG SPACE CREATIVE TELEMETRY INTELLIGENT TECHNOLOGY Co.,Ltd. |