CN207036339U - A kind of host circuit of acquisition analysis system - Google Patents
A kind of host circuit of acquisition analysis system Download PDFInfo
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- CN207036339U CN207036339U CN201720630076.1U CN201720630076U CN207036339U CN 207036339 U CN207036339 U CN 207036339U CN 201720630076 U CN201720630076 U CN 201720630076U CN 207036339 U CN207036339 U CN 207036339U
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Abstract
The utility model discloses a kind of host circuit of acquisition analysis system, including micro-control unit MCU, near field communication interface, short-range communication power supply circuit, long range wireless communication interface, telecommunication power supply circuit and storage chip；MCU, by including short-range communication data port be connected near field communication interface, by including telecommunication data port be connected with long range wireless communication interface, by including data storage mouth and storage chip SPI interface connect.It is big to solve the host circuit volume of acquisition analysis system in the prior art, connects up the problem of cumbersome.
Description
Technical field
Pipeline pressure detection technique is the utility model is related to, more particularly to a kind of collection for being used to detect pipeline gas pressure
The host circuit of analysis system.
Background technology
In order to ensure the safety of gas transmission pipeline, it usually needs examinations are carried out to the gas pressure of pipeline, to protect
The gas pressure of pipeline is demonstrate,proved without departing from security control scope, and when the gas pressure of pipeline runaways, in time
Take necessary safety measure.
It is general in the prior art that the collection to pipeline gas pressure is realized using pressure transmitter, in industrial automatic control environment
For measuring the pressure transmitter of gas pressure typically using wired connection mode collection pipeline gas pressure, and connect by signal
Wiring is transmitted to neighbouring main frame, then uploads to host computer server by main frame, and main frame volume is bigger, typically uses during power supply
External power supply, power supply circuit arrangement are cumbersome.
It can be seen that the implementation method of pipeline gas pressure acquisition of the prior art, due between its pressure transmitter, main frame
Data transfer communications and power supply are realized by wired mode, so as to cause equipment volume big, circuit is complicated, is unfavorable for equipment and exists
The installation in pipeline and its neighbouring space and arrangement, the pipeline gas pressure detecting of small space is not easy to, causes pipeline gas pressure
Power detection is realized difficult.
Utility model content
In view of technological deficiency present in prior art and technology drawback, the utility model embodiment, which provides, overcomes above-mentioned ask
The host circuit of topic or a kind of acquisition analysis system to solve the above problems at least in part.
As the one side of the utility model embodiment, it is related to a kind of host circuit of acquisition analysis system, including it is micro-
It is control unit MCU, near field communication interface, short-range communication power supply circuit, long range wireless communication interface, remote logical
Believe power supply circuit and storage chip；
The MCU, by including short-range communication data port be connected with the near field communication interface, pass through bag
The telecommunication data port included is connected with the long range wireless communication interface, by including data storage mouth with storage core
The SPI interface connection of piece；
Near field communication interface, as the access port of near radio module, realize and receive acquisition and analysis instrument detection
And the pipeline gas pressure detection data sent；
Long range wireless communication interface, as the access port of remote-wireless module, realize the pipeline gas that will be received
Pressure detection data is sent to monitor client；
Short-range communication power supply circuit, it is the near radio module for power supply of near field communication interface and connection；
Telecommunication power supply circuit, it is long range wireless communication interface and the remote-wireless module for power supply of connection.
In one embodiment, the host circuit of described acquisition analysis system also includes clock power；The clock electricity
The clock power supply interface that source is included by MCU is connected with the MCU, for crystal oscillator and the interlock circuit composition for being connected to MCU
Clock circuit power supply.
In one embodiment, the close range wireless communication module of the near field communication interface connection is near to receive
The RF wireless modules of range communication signal；
The long range wireless communication module of the long range wireless communication interface connection is transmission telecommunication signal
DTU wireless modules.
In one embodiment, the host circuit of described acquisition analysis system also includes：Externally fed power supply；It is described outer
The output end of portion's power supply is connected respectively to the input and telecommunication power supply electricity of the short-range communication power supply circuit
The input on road；
The short-range communication power supply circuit is the decompression voltage regulator for including monolithic bipolar Linear IC chip,
The low pressure stablized by decompression voltage regulator exports；
The telecommunication power supply circuit is the decompression voltage regulator for including power IC chip, steady by being depressured
The low pressure output that volt circuit is stablized.
In one embodiment, the input of the telecommunication power supply circuit is connected with power control switch circuit,
The data-interface of the power control switch circuit connects the power control switch interface that the MCU includes, described for receiving
The voltage signal that MCU is sent controls the voltage output of the telecommunication power supply circuit.
In one embodiment, the input of the short-range communication power supply circuit is connected with power source supplying voltage detection electricity
Road, the data-interface of the power source supplying voltage detection circuit connects the power detecting interface that the MCU includes, for that will detect
The voltage signal of externally fed power supply be transferred to MCU.
In one embodiment, the host circuit of described acquisition analysis system also includes：Temperature sensor, the temperature
Sensor is connected by signal connecting line with the MCU, for the temperature signal of detection to be transferred into MCU.
In one embodiment, the host circuit of described acquisition analysis system also includes：Indicator light circuit, the instruction
Circuit for lamp is connected by signal connecting line with the MCU, and indicator light circuit is controlled for receiving the control signal that the MCU is sent
LED light work.
In one embodiment, the host circuit of described acquisition analysis system also includes：Reset circuit, it is described to reset electricity
Road is connected by signal connecting line with the MCU, and the MCU is resetted for sending reset signal.
In one embodiment, the host circuit of described acquisition analysis system also includes：Level shifting circuit, the electricity
The data-interface connection MCU of flat change-over circuit data receiver interface, the input signal end of the level shifting circuit is connected to
The communication interface of external detection instrument, realize that MCU and the signal of external detection instrument are connected.
The utility model embodiment at least realizes following technique effect：
1st, the host circuit of acquisition analysis system of the present utility model passes through near field communication interface and remote nothing
Line communication interface will closely, remote wireless transmission module be integrated into a circuit board, using wireless mode carry out data
Transmission communication, so as to realize the effect for reducing circuit board volume, reducing power supply wiring and signal routing, it is easy to acquisition analysis system
Installation and arrangement of the host device in pipeline and its neighbouring space, reduce the installation difficulty of equipment, be easy to collection analysis
The pipeline gas pressure signal of instrument collection is transmitted, and saves manufacture and installation cost.
2nd, the MCU of the host circuit of acquisition analysis system of the present utility model by connected on host circuit closely without
Line communication interface and long range wireless communication the interface close range wireless communication module and long range wireless communication with outside respectively
Module is attached, when can prevent MCU data port from doing other purposes, by the signal of the wireless communication module of external connection
Interference.
3rd, the host circuit of acquisition analysis system of the present utility model includes temperature sensor, can detect pipeline in time
Temperature conditions, monitor client is sent to by near radio module and remote-wireless module in time.
4th, the input connection of the telecommunication power supply circuit of the host circuit of acquisition analysis system of the present utility model
There is power control switch circuit, by power control switch circuit, the long range wireless communication module larger to power consumption is DTU
Electricity consumption be controlled, by rationally setting operating interval, using electricity wisely.
5th, the input connection of the telecommunication power supply circuit of the host circuit of acquisition analysis system of the present utility model
The input for having the short-range communication power supply circuit of power control switch circuit is connected with power source supplying voltage detection circuit, is used for
The voltage signal of the externally fed power supply of detection is transferred to MCU, when externally fed supply voltage declines or is unstable, operation
Personnel can change externally fed power supply in time.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through
Described structure is realized and obtained in the specification, claims and accompanying drawing write.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the connection diagram of the host circuit for the acquisition analysis system that the utility model embodiment one provides；
Fig. 2 is the host circuit schematic diagram for the acquisition analysis system that the utility model embodiment one provides.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
A kind of host circuit of the acquisition analysis system provided separately below the utility model embodiment it is various specific
Embodiment is described in detail.
Embodiment one：
Referring to Figures 1 and 2, a kind of host circuit for acquisition analysis system that the utility model embodiment one provides includes micro-
Control unit MCU1, near field communication interface 2, short-range communication power supply circuit 3, long range wireless communication interface 4, long distance
From power communications circuit 5 and storage chip 6；
The MCU1, by including short-range communication data port be connected with the near field communication interface 2, pass through
Including telecommunication data port be connected with the long range wireless communication interface 4, by including data storage mouth with depositing
Store up the SPI interface connection of chip 6；
Near field communication interface 2, as the access port of near radio module, realize and receive acquisition and analysis instrument detection
And the pipeline gas pressure detection data sent；
Long range wireless communication interface 4, as the access port of remote-wireless module, realize the pipeline gas that will be received
Pressure detection data is sent to monitor client；
Short-range communication power supply circuit 3, it is the near radio module for power supply of near field communication interface and connection；
Telecommunication power supply circuit 5, it is long range wireless communication interface and the remote-wireless module for power supply of connection.
The host circuit of acquisition analysis system of the present utility model passes through near field communication interface and remote-wireless
Communication interface will closely, remote wireless transmission module be integrated into a circuit board, using wireless mode carry out data biography
Defeated communication is easy to acquisition analysis system so as to realize the effect for reducing circuit board volume, reducing power supply wiring and signal routing
Installation and arrangement of the host device in pipeline and its neighbouring space, reduce the installation difficulty of equipment, are easy to acquisition and analysis instrument
The pipeline gas pressure signal of collection is transmitted, and saves manufacture and installation cost.
Shown in reference picture 2, the use STM32F103C6 chips of the micro-control unit MCU in the utility model embodiment, by
Numerous in STM32F103 model, inventor of the present utility model considers the factor selection of performance and price etc.
Master chip of the STM32F103C6 chips as the utility model embodiment.In a detailed embodiment, it is described
STM32F103C6 chips can be powered by the short-range communication power supply circuit.
Shown in reference picture 2, the storage chip in the utility model embodiment uses the chip of AT45DBD41 models,
AT45DBD41 chips are communicated with the MCU by SPI mode, and 4 SPI interfaces of storage chip are connected respectively MCU's
PA4, PA5, PA6 and PA7 interface.In a detailed embodiment, the storage chip AT45DBD41 can be by described near
Distance communication power supply circuit is powered.
Shown in reference picture 2, the near field communication interface in the utility model embodiment is using MHDR1X8
The single contact pin P4 of model, the single contact pin P4 2-7 terminals are connected respectively the wireless near field communication number of the MCU
According to mouth PB12, PB13, PB14, PB15, PA8 and PA11,1 terminal of the single contact pin P4 is connected to the short-range communication and supplied
The output end of circuit, 8 terminals of the single contact pin P4 do ground connection and used.
In a specific embodiment, the close range wireless communication module of the near field communication interface connection is to connect
Receive the RF wireless modules of close-range communication signal.The MCU is communicated with the RF wireless modules by SPI mode.
Shown in reference picture 2, the long range wireless communication interface in the utility model embodiment is using Heard4
The connector P7, the connector P7 of type 2 and 3 terminals respectively with the long range wireless communication data port PA2 of the MCU and
PA3 connections, 1 terminal of the connector P7 are connected to the telecommunication power supply circuit output end, and the 4 of the connector P7
Terminal does ground connection and used.
In a specific embodiment, the long range wireless communication module of the long range wireless communication interface connection is hair
Send the DTU wireless modules of telecommunication signal.The MCU is led to the DTU wireless modules by simplex mode
Letter.
The MCU of the utility model embodiment passes through the near field communication interface connected on host circuit and remote nothing
Line communication interface is attached with the close range wireless communication module and long range wireless communication module of outside respectively, by using
MHDR1X8 single contact pin P4 and Heard4 connectors P7 are easily connected with external wireless module, can prevent MCU data port
When doing other purposes, by the signal interference of the wireless communication module of external connection.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes clock electricity
Source；The clock power supply interface that the clock power is included by MCU is connected with the MCU, for the crystal oscillator for being connected to MCU and
The clock circuit power supply of interlock circuit composition.
In a detailed embodiment, the clock power can use CR12220 button cells, to ensure MCU's
VBAT interfaces have electricity always, it is ensured that the timing of clock circuit.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes：Outside supplies
Power supply；The output end of the externally fed power supply is connected respectively to the input and long distance of the short-range communication power supply circuit
From the input of power communications circuit；
The short-range communication power supply circuit is the decompression voltage regulator for including monolithic bipolar Linear IC chip,
In the utility model embodiment, the monolithic bipolar Linear IC chip can be MC34063 chips.The low coverage
The low pressure output stablized from power communications circuit by decompression voltage regulator, it is described near in the utility model embodiment
The output voltage of distance communication power supply circuit is 3.3V；
The telecommunication power supply circuit is the decompression voltage regulator for including power IC chip, new in this practicality
In type embodiment, the power IC chip can be lm22676 chips.The telecommunication power supply circuit is by drop
The low pressure stablize of pressure mu balanced circuit exports, in the utility model embodiment, the telecommunication power supply circuit it is defeated
It is 3.9V to go out voltage.The output end of the telecommunication power supply circuit is connected to connector connector P7 1 terminal for being
DTU powers.
In one embodiment, shown in reference picture 2, the input of the telecommunication power supply circuit is connected with power supply control
On-off circuit processed, the data-interface of the power control switch circuit connect the power control switch interface that the MCU includes, used
In the voltage output for receiving the voltage signal control telecommunication power supply circuit that the MCU is sent.
In a detailed embodiment, Ke Yishi, shown in reference picture 2, in the telecommunication power supply circuit
Lm22676 chip inputs are connected with the power control switch circuit of the switching characteristic composition using triode 8050, the confession
The base stage of the triode 8050 of electric control switch circuit is connected to MCU power control switch data port PB0, MCU by institute
The base stage for stating triode 8050 sends low level trigger signal control power control switch circuit turn-on, and decompression voltage regulator has electricity
Pressure output, DTU just can be with normal work.
Specifically, can be the data-interface connection MCU of power control switch circuit power control switch data
Mouth PB0, the MCU control the power control switch circuit for sending voltage signal to the power control switch circuit
Voltage output, when the base stage of triode 8050 of MCU to the control power control switch circuit sends low level, triode is not led
Logical, the precision enable pin EN of lm22676 chips be high level, lm22676 chips can normal work, the telecommunication confession
The output end of circuit can provide stable 3.9V DC voltages.When MCU controls the three of power control switch circuit to described
The base stage of pole pipe 8050 sends high trigger signal, triode ON, and the precision enable pin EN level of lm22676 chips is drawn
Low, lm22676 chips are closed, and the output voltage of the telecommunication power supply circuit is zero.
In one embodiment, shown in reference picture 2, the input of the short-range communication power supply circuit is connected with power supply confession
Piezoelectric voltage detects circuit, and the power detecting that the data-interface of the power source supplying voltage detection circuit connects the MCU and included connects
Mouthful, for the voltage signal of the externally fed power supply of detection to be transferred into MCU.
The short-range communication power supply circuit input connection externally fed power circuit output end, using comprising
MC34063 chips carry out voltage transformation, the DC voltage for the 3.3V that lowering and stabilizing blood pressure is stablized.
Power source supplying voltage detection circuit is connected with the input of the short-range communication power supply circuit, the MCU's
Voltage acquisition interface PA0 is connected to the centre of two resistance, current by being calculated to gather the voltage among two resistance
The voltage value of externally fed power supply.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes：Temperature passes
Sensor, the temperature sensor are connected by signal connecting line with the MCU, for the temperature signal of detection to be transferred into MCU.
The temperature sensor used in the utility model embodiment is LM50CIM3X type temperature sensors, LM50CIM3X data-interface
It is connected to MCU PA1 data ports.LM50CIM3X types temperature sensor can also use closely in the utility model embodiment
Power communications circuit is powered.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes：Indicator lamp
Circuit, the indicator light circuit are connected by signal connecting line with the MCU, the control signal sent for receiving the MCU
Control the LED light work of indicator light circuit.Indicator light circuit can also be used and closely led in the utility model embodiment
Letter power supply circuit is powered.
The host circuit of the acquisition analysis system of the utility model embodiment can be provided with two indicator light circuits, respectively
For indicating the work of close range wireless communication module and the long range wireless communication module, the indicator light circuit passes through three
Work of the pole pipe 8050 as switch control LED, when close range wireless communication module works, MCU is by PB5 interfaces to three
Pole pipe 8050 send high trigger signal so that triode 8050 be in saturation conduction, and LED is lighted, indicate closely without
Line communication module normal work, or, when long range wireless communication module works, MCU is by PB6 interfaces to triode 8050
Send high trigger signal so that triode 8050 is in saturation conduction, and LED is lighted, and indicates long range wireless communication mould
Block normal work.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes：Reset electricity
Road, the reset circuit are connected by signal connecting line with the MCU, and the MCU is resetted for sending reset signal.
Reset circuit can also be powered using short-range communication power supply circuit in the utility model embodiment.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes：Level turns
Change circuit, the data-interface connection MCU of level shifting circuit data receiver interface, the input of the level shifting circuit
Signal end is connected to the communication interface of external detection instrument, realizes that MCU and the signal of external detection instrument are connected.
In a detailed embodiment, shown in reference picture 2, the input signal end of the level shifting circuit passes through
Heard4 connectors P2 is connected to the communication interface of external detection instrument.In the utility model embodiment, using MAX3485 chips
Level shifting circuit, when external equipment accesses MCU, pass through high level or low level that MCU PA12 data ports are sent, realize
The gating of MAX3485 chips, to receive data or to send data, realize half-duplex operation.
In one embodiment, the externally fed power supply of the host circuit of described acquisition analysis system is connect by Heard3
Plug-in unit P3 is connected to power supply circuit input.
In a specific embodiment, shown in reference picture 2, being provided with the circuit of the externally fed power supply prevents circuit
The diode D1 of reversal connection, and the resettable fuse F1 protected to circuit；The output end of the externally fed power supply is set
Put the mu balanced circuit being made up of electric capacity C1 and safety electric capacity CY1.
In one embodiment, shown in reference picture 2, the host circuit of described acquisition analysis system also includes download program
Interface, described program download interface arrange pin staight needle, 2 and 3 terminals of the CH2.54-4 rows pin staight needle using CH2.54-4
PA13 the and PA14 data ports of the MCU are connected to, arranging pin staight needle by CH2.54-4 connects host computer to carry out debugging generation
The download of code, realizes that host computer communicates with MCU data, (Serial Wire Debug, SWD) pattern is debugged using string line
Download program, relative to traditional serial mode speed faster, code debugging of being more convenient for.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of host circuit of acquisition analysis system, it is characterised in that including micro-control unit MCU, wireless near field communication
Interface, short-range communication power supply circuit, long range wireless communication interface, telecommunication power supply circuit and storage chip；
The MCU, by including short-range communication data port be connected with the near field communication interface, by including
Telecommunication data port is connected with the long range wireless communication interface, by including data storage mouth and storage chip
SPI interface connects；
Near field communication interface, as the access port of near radio module, realize and receive acquisition and analysis instrument detection concurrently
The pipeline gas pressure detection data sent；
Long range wireless communication interface, as the access port of remote-wireless module, realize the pipeline gas pressure that will be received
Detection data are sent to monitor client；
Short-range communication power supply circuit, it is the near radio module for power supply of near field communication interface and connection；
Telecommunication power supply circuit, it is long range wireless communication interface and the remote-wireless module for power supply of connection.
2. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that also including clock power；It is described
The clock power supply interface that clock power is included by MCU is connected with the MCU, for the crystal oscillator that is connected to MCU and mutually powered-down
The clock circuit power supply of road composition.
3. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that the wireless near field communication connects
The close range wireless communication module of mouth connection is to receive the RF wireless modules of close-range communication signal；
The long range wireless communication module of long range wireless communication interface connection for send the DTU of telecommunication signal without
Wire module.
4. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that also include：Externally fed power supply；
The output end of the externally fed power supply is connected respectively to input and the telecommunication of the short-range communication power supply circuit
The input of power supply circuit；
The short-range communication power supply circuit is the decompression voltage regulator for including monolithic bipolar Linear IC chip, is passed through
The low pressure output that decompression voltage regulator is stablized；
The telecommunication power supply circuit is the decompression voltage regulator for including power IC chip, by lowering and stabilizing blood pressure electricity
Rood exports to stable low pressure.
5. the host circuit of acquisition analysis system as claimed in claim 4, it is characterised in that the telecommunication power supply electricity
The input on road is connected with power control switch circuit, and the data-interface of the power control switch circuit connects the MCU bags
The power control switch interface included, the telecommunication power supply circuit is controlled for receiving the voltage signal that the MCU is sent
Voltage output.
6. the host circuit of acquisition analysis system as claimed in claim 4, it is characterised in that the short-range communication power supply electricity
The input on road is connected with power source supplying voltage detection circuit, the data-interface connection institute of the power source supplying voltage detection circuit
The power detecting interface that MCU includes is stated, for the voltage signal of the externally fed power supply of detection to be transferred into MCU.
7. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that also include：Temperature sensor, institute
State temperature sensor to be connected with the MCU by signal connecting line, for the temperature signal of detection to be transferred into MCU.
8. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that also include：Indicator light circuit, institute
State indicator light circuit to be connected with the MCU by signal connecting line, instruction is controlled for receiving the control signal that the MCU is sent
The LED light work of circuit for lamp.
9. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that also include：Reset circuit, it is described
Reset circuit is connected by signal connecting line with the MCU, and the MCU is resetted for sending reset signal.
10. the host circuit of acquisition analysis system as claimed in claim 1, it is characterised in that also include：Level conversion electricity
Road, the data-interface connection MCU of level shifting circuit data receiver interface, the input signal of the level shifting circuit
End is connected to the communication interface of external detection instrument, realizes that MCU and the signal of external detection instrument are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630076.1U CN207036339U (en) | 2017-06-02 | 2017-06-02 | A kind of host circuit of acquisition analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630076.1U CN207036339U (en) | 2017-06-02 | 2017-06-02 | A kind of host circuit of acquisition analysis system |
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| Publication Number | Publication Date |
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| CN207036339U true CN207036339U (en) | 2018-02-23 |
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| CN201720630076.1U Active CN207036339U (en) | 2017-06-02 | 2017-06-02 | A kind of host circuit of acquisition analysis system |
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| Country | Link |
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2017
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Address after: 102212 No. 1 Changcui Road, Cuicun Town, Changping District, Beijing Patentee after: Beijing Xinfengtai Gas Equipment Co.,Ltd. Address before: 100000 No. 1, Changcui Road, Cuicun Town, Changping District, Beijing Patentee before: BEIJING XINGUANGJIN GAS DEVICE Research Institute |