CN205537811U - Wireless water gauge adapter of safe type of essence based on WIA -PA industry wireless network - Google Patents
Wireless water gauge adapter of safe type of essence based on WIA -PA industry wireless network Download PDFInfo
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- CN205537811U CN205537811U CN201620127491.0U CN201620127491U CN205537811U CN 205537811 U CN205537811 U CN 205537811U CN 201620127491 U CN201620127491 U CN 201620127491U CN 205537811 U CN205537811 U CN 205537811U
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- watermeter
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Abstract
The utility model relates to a wireless water gauge adapter of safe type of essence based on WIA -PA industry wireless network, sensor connect wireless water gauge adapter board, the magnetism pointer signal transmission that will gather to wireless water gauge adapter board, battery module connects wireless water gauge adapter board, supplies power to it, the water gauge adapter board that antenna connection is wireless carries out wireless receiving and dispatching. The utility model discloses use WIA -PA wireless module as the core, use the ultra -low power consumption designing technique, essential safety design technique to adopting the power supply of large capacity safety type group battery, having low -voltage protection, the overcurrent protection function has not only been guaranteed the life of battery but also has been improved explosion -proof safety nature.
Description
Technical field
This utility model relates to industry wireless network field, specifically a kind of based on WIA-PA industry nothing
The intrinsically safe wireless water meter adapter of gauze network.
Background technology
In industrial processes, water is conventional energy material, at present to many with the measuring instrument of discharge
For mechanical type rotary wing water meter, but because there is no communication interface, it is impossible to join in DCS system, need regular people
Work is checked meter, and wastes time and energy.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of wireless watermeter adapter, with WIA-PA without
Wire module is core, applies ultralow Consumption technology, substantial safety-design technology, and uses Large Copacity to pacify
Holotype is battery-powered, has a low-voltage variation, overcurrent protection function, not only ensure that battery service life but also
Improve explosion-proof security.
This utility model be the technical scheme is that for achieving the above object
A kind of intrinsically safe wireless water meter adapter based on WIA-PA industry wireless network, sensor connects
Wireless watermeter adaptor plate, is sent to wireless watermeter adaptor plate by the magnetic signal-arm collected;
Battery module connects wireless watermeter adaptor plate, is powered it;
Antenna connects wireless watermeter adaptor plate, carries out wireless receiving and dispatching.
Described wireless watermeter adaptor plate includes WIA-PA wireless module, electric quantity acquisition circuit, pulse collection electricity
Road, USART and power supply circuits;
Wherein, pulse acquisition circuit one end connects sensor, and the other end connects WIA-PA by photoelectrical coupler
Wireless module, after pulse signal passes through photoelectric coupler isolation, is converted into level and suitably isolates pulse signal,
Deliver to the communication pulse collection terminal of WIA-PA wireless module;
Electric quantity acquisition circuit on one side connects battery module, and the other end connects WIA-PA wireless module, to set of cells
Electricity is monitored;
Power supply circuits one end connects battery module, and the other end connects WIA-PA wireless module, is turned by cell voltage
It is changed to be suitable for voltage, powers for WIA-PA wireless module.
Described sensor is installed on mechanical type rotary wing water meter, and magnetic pointer is arranged in mechanical type rotary wing water meter,
Produce magnetic signal by the rotation of magnetic pointer, and magnetic signal is converted into pulse electrical signal.
Battery module is essential safe type, including set of cells and battery protecting plate;Battery protecting plate connects wireless
Electric quantity acquisition module in water meter adaptor plate and power supply circuits.
Described wireless watermeter adaptor plate also includes that USART connects WIA-PA wireless module.
This utility model has the advantages that and advantage:
1. this utility model is that wireless watermeter adapter is arranged on mechanical type rotary wing water meter so that it is have data remote
Pass on Gong energy.
2. this utility model wireless watermeter adapter uses low power dissipation design, battery-powered up to more than 3 years.
3. this utility model wireless watermeter adapter uses design of essence safety, explosive-proof grade Ex ib IIC T3.
Accompanying drawing explanation
Fig. 1 is structure connection figure of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by embodiment.
A kind of intrinsically safe wireless water meter adapter based on WIA-PA industry wireless network, including sensing
Device, magnetic pointer, set of cells, wireless watermeter adaptor plate, small-sized whip dress antenna, Al-alloy casing.
Sensor and magnetic pointer are arranged on mechanical type rotary wing water meter, are produced by the rotation of magnetic pointer and become
The magnetic field changed, magnetic signal is converted into pulse electrical signal by sensor.
Sensor output is connected to the pulse acquisition circuit of wireless watermeter adaptor plate, and pulse acquisition circuit is even
Connecing WIA-PA wireless module, pulse signal passes through photoelectric coupler isolation, converts the isolation arteries and veins of appropriate level
Rush signal, deliver to WIA-PA wireless module communication pulse collection terminal;
Described wireless watermeter adaptor plate and set of cells use design of essence safety technology, explosive-proof grade Ex ib IIC T3.
Wireless watermeter adaptor plate includes power supply circuits, WIA-PA wireless module, electric quantity acquisition circuit, pulse
Acquisition Circuit.
WIA-PA wireless module is made up of radio frequency chip and radio frequency amplifying circuit, mainly completes digital signal
Modulation /demodulation and radio frequency amplify and receive, the filtering function such as modulation /demodulation, convert digital signals into 2.4GHz~
The radiofrequency signal of 2.4835GHz to space, receives the radiofrequency signal of spatial weak by aerial radiation simultaneously, solves
Furnishing digital signal.
Electric quantity acquisition circuit can gather cell voltage, by switch chip, sampling resistor, follower, wave filter
Composition.
It is illustrated in figure 1 structure connection figure of the present utility model.
WIA-PA wireless watermeter adapter hardware part is by battery module, water meter adaptor plate and antenna composition.
Wherein battery module is made up of battery and battery protecting plate.There is Large Copacity, cross stream, under-voltage protection etc.
Feature.
Power supply circuits use the DC/DC conversion chip that can boost.When battery electric quantity is low cause voltage to decline time, after
Level output voltage still keeps stable.Power supply circuits design of essence safety uses 2 Zener diodes composition in parallel
Guard grating, this loop voltage when reducing fault, and less input/output terminal capacitance.
Battery electric quantity is monitored by electric quantity acquisition circuit, sends alarm when electricity is too low, reminds operator
Member changes battery.According to the flash-over characteristic of battery, when voltage is the lowest, electricity is the lowest, therefore can monitor cell voltage.
This circuit is made up of load switch TPS27082, sampling resistor, follower TLV2761, wave filter.
Have employed low power dissipation design theory, follower TLV2761 uses wireless module I/0 to power, and can control power supply.
Electric quantity acquisition input series load switch TPS27082, can control input signal and turn off.When gathering electricity,
Power for this partial circuit;It is the most then off state, leakage current uA level.
Sampling resistor, follower, the sample circuit of wave filter composition ensure that the sampling precision of cell voltage,
Measurement error is ± 0.1V within, meet application demand.
Pulse acquisition circuit is made up of protection circuit, sample circuit, photoelectrical coupler etc..Collection sensor is defeated
The pulse signal gone out, by photoelectric coupler isolation, output is to WIA-PA wireless module.
By above design, wireless watermeter adapter quiescent current is only 50uA, and explosive-proof grade is Ex ib IIC
T3。
This utility model is arranged on existing machinery formula rotary wing water meter, by sensor acquisition flow information,
It is converted into wireless data, sends to WIA-PA radio network gateway, then be linked into DCS system by radio network gateway
In, it is achieved that the long-distance metering of mechanical type rotary wing water meter.
Claims (5)
1. an intrinsically safe wireless water meter adapter based on WIA-PA industry wireless network, it is characterised in that:
Sensor connects wireless watermeter adaptor plate, and the magnetic signal-arm collected is sent to wireless watermeter
Adaptor plate;
Battery module connects wireless watermeter adaptor plate, is powered it;
Antenna connects wireless watermeter adaptor plate, carries out wireless receiving and dispatching.
Intrinsically safe wireless water meter based on WIA-PA industry wireless network the most according to claim 1 is fitted
Orchestration, it is characterised in that: described wireless watermeter adaptor plate includes WIA-PA wireless module, electric quantity acquisition
Circuit, pulse acquisition circuit, USART and power supply circuits;
Wherein, pulse acquisition circuit one end connects sensor, and the other end connects WIA-PA by photoelectrical coupler
Wireless module, after pulse signal passes through photoelectric coupler isolation, is converted into level and suitably isolates pulse signal,
Deliver to the communication pulse collection terminal of WIA-PA wireless module;
Electric quantity acquisition circuit on one side connects battery module, and the other end connects WIA-PA wireless module, to battery
Group electricity is monitored;
Power supply circuits one end connects battery module, and the other end connects WIA-PA wireless module, by cell voltage
Be converted to be suitable for voltage, power for WIA-PA wireless module.
Intrinsically safe wireless water based on WIA-PA industry wireless network the most according to claim 1 and 2
Table adapter, it is characterised in that: described sensor is installed on mechanical type rotary wing water meter, and magnetic pointer is arranged
In mechanical type rotary wing water meter, produce magnetic signal by the rotation of magnetic pointer, and magnetic signal is converted into arteries and veins
Rush the signal of telecommunication.
Intrinsically safe wireless water based on WIA-PA industry wireless network the most according to claim 1 and 2
Table adapter, it is characterised in that: battery module is essential safe type, including set of cells and battery protecting plate;
Battery protecting plate connects the electric quantity acquisition module in wireless watermeter adaptor plate and power supply circuits.
Intrinsically safe wireless water based on WIA-PA industry wireless network the most according to claim 1 and 2
Table adapter, it is characterised in that: described wireless watermeter adaptor plate also include USART connect WIA-PA without
Wire module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620127491.0U CN205537811U (en) | 2016-02-18 | 2016-02-18 | Wireless water gauge adapter of safe type of essence based on WIA -PA industry wireless network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620127491.0U CN205537811U (en) | 2016-02-18 | 2016-02-18 | Wireless water gauge adapter of safe type of essence based on WIA -PA industry wireless network |
Publications (1)
Publication Number | Publication Date |
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CN205537811U true CN205537811U (en) | 2016-08-31 |
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CN201620127491.0U Active CN205537811U (en) | 2016-02-18 | 2016-02-18 | Wireless water gauge adapter of safe type of essence based on WIA -PA industry wireless network |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107168184A (en) * | 2017-06-29 | 2017-09-15 | 惠国征信服务股份有限公司 | Business finance data collecting system based on sensor and Internet of Things |
-
2016
- 2016-02-18 CN CN201620127491.0U patent/CN205537811U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107168184A (en) * | 2017-06-29 | 2017-09-15 | 惠国征信服务股份有限公司 | Business finance data collecting system based on sensor and Internet of Things |
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