CN205750411U - A kind of data collection station - Google Patents
A kind of data collection station Download PDFInfo
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- CN205750411U CN205750411U CN201620563169.2U CN201620563169U CN205750411U CN 205750411 U CN205750411 U CN 205750411U CN 201620563169 U CN201620563169 U CN 201620563169U CN 205750411 U CN205750411 U CN 205750411U
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- electric capacity
- sensor
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- data collection
- microcontroller
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Abstract
The utility model discloses a kind of data collection station, it is characterized in that, including microcontroller, described microcontroller respectively with SBW interface circuit, crystal oscillating circuit and reset circuit, power circuit, communication interface circuit and sensor interface circuitry connect, described sensor interface circuitry input is connected with some sensors, described sensor interface circuitry outfan is connected with microcontroller, described microcontroller is connected with host computer by communication interface circuit, the real-time of corresponding information is completed by sensor, accurate acquisition, the analogue signal and the on-off model that are obtained by sensor are sent in microcontroller complete the work such as data process and controlling alarm according to RS485 communications protocol, native system can Real-time Collection information, monitor hidden danger in cable duct environment, ensure system stability；Need not manually patrol, save human cost.
Description
Technical field
This utility model relates to field of electrical equipment, particularly a kind of data collection station.
Background technology
The increase year by year put into along with State Grid's infrastructure, the length of cable duct the most increases sharply, due to fortune
The growth rate of row attendant does not catches up with far away the growth rate of power infrastructures, causes electric power tunnel operation work to face
Immense pressure.On the other hand increasing rapidly along with the accelerated development in city, conduit line and high pressure line, electric load
Sharply increasing, the operation maintenance of raceway groove is worked and is faced with immense pressure by Utilities Electric Co..How to ensure that raceway groove inner cable is not because of mistake
Carry, operation security incident that the situation such as overheated burst is big, raceway groove internal water accumulation, harmful gas etc. do not interfere with the safety of electric power system
Etc. new requirement, want the variety of problems solving currently to face, only tackle conduit line by substantial increase operations staff's quantity
Increase rapidly the most unrealistic with government pressure.It addition, current national most of Utilities Electric Co.s, to main cable in conduit line
Management also in the scheduled overhaul stage, the operation conditions of cable is checked by the general method using periodical inspection.From warp
For Ji angle and technical standpoint, scheduled overhaul has significant limitation, and such as routine test and maintenance cause the biggest
Directly or indirectly economic waste, many insulation defects and potential fault cannot find in time.Therefore, a set of modernization is developed
The data collection station of cable duct state, the electric power apparatus integrated monitor supervision platform of cooperated power supply office uses, can be to cable duct environment
Carry out real-time Transmission with power cable running environment parameter, monitored over time, state show, criticality alarm, prediction prompting, event are divided
Analysis statistics etc., that just become a reality, the urgent requirement promoting power cable raceway groove management level.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, this utility model provides a kind of simple in construction and system stability is strong
Data collection station.
This utility model solves the technical scheme that its technical problem used:
A kind of data collection station, it is characterised in that include microcontroller, described microcontroller is electric with SBW interface respectively
Road, crystal oscillating circuit is connected with reset circuit, power circuit, communication interface circuit and sensor interface circuitry, and described sensor connects
Mouth circuit input end is connected with some sensors, and described sensor interface circuitry outfan is connected with microcontroller, described micro-control
Device processed is connected with host computer by communication interface circuit.
As the further improvement of such scheme, described power circuit includes the first inductance L and the DC-DC electricity being sequentially connected with
Source module, switching regulator and isolation manostat, described first inductance L one end earth terminal all with switching regulator is connected, the
The one inductance L other end is connected with the isolation all earth terminals of manostat, and described DC-DC power module input connects the first electric capacity
C703, connects between described DC-DC power module, switching regulator and has the second electric capacity C702, described second electric capacity C702 one end
Connecting power supply, other end ground connection, described switching regulator outfan has the second inductance L701, and switching regulator outfan is parallel with
Diode D703, the first resistance R709 and the 3rd electric capacity C705, described diode D703 negative pole is connected to the second inductance L701 mono-
End, the first resistance R709 and the 3rd electric capacity C705 is connected to the second inductance L701 other end, and described first resistance R709 is by the
Two resistance R708 ground connection, described second resistance R708 one end is connected with switching regulator outfan, described diode D703 positive pole,
The 3rd electric capacity C705 other end and the second resistance R708 other end all ground connection, described isolation manostat input is parallel with the 4th electricity
Holding C18 and the 5th electric capacity C16, described isolation output end of voltage stabilizer is parallel with the 6th electric capacity C17 and the 7th electric capacity C19, and described the
Four electric capacity C18 one end are connected by the 3rd resistance R20 has power supply, described 6th electric capacity C17 and the 7th electric capacity C19 one end to be also connected with
There are power supply, described 4th electric capacity C18, the 5th electric capacity C16, the 6th electric capacity C17 and the 7th electric capacity C19 other end all ground connection.
As the further improvement of such scheme, described microcontroller uses MSP430F5172.
As the further improvement of such scheme, described communication interface circuit includes half-duplex RS-485 transceiver, double
It is connected in parallel on half-duplex RS-485 transceiver total to TVS pipe and the first resistance R703, described two-way TVS pipe and the first resistance R703
Line A, B two ends, half-duplex RS-485 transceiver bus A, B two ends are additionally provided with the first biasing resistor R701 and the second biased electrical
Resistance R705, described first biasing resistor R701 two ends connect two-way TVS pipe and first resistance R703 one end, the second biased electrical respectively
Resistance R705 connects two-way TVS pipe and the first resistance R703 other end respectively.
As the further improvement of such scheme, the model of DC-DC power module is WRB1212S.
As the further improvement of such scheme, the model of described switching regulator is LM2576.
As the further improvement of such scheme, the model of described isolation manostat is AMB3301A.
As the further improvement of such scheme, described sensor include temperature sensor and/or humidity sensor and/or
Smoke Sensor and/or harmful gas sensor and/or level sensor and/or invade sensor, described sensor is all mould
Intend sensor.
The beneficial effects of the utility model have:
This utility model one data collection station, completes real-time, the accurate acquisition of corresponding information by sensor, will pass
Analogue signal that sensor obtains and on-off model according to RS485 communications protocol be sent in microcontroller to complete data process and
The work such as controlling alarm, native system can Real-time Collection information, monitor hidden danger in cable duct environment, it is ensured that system stability；
Need not manually patrol, save human cost.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the communication interface circuit schematic diagram of this utility model embodiment；
Fig. 3 is the power circuit principle figure of this utility model embodiment.
Detailed description of the invention
With reference to Fig. 1, a kind of data collection station, it is characterised in that include microcontroller, described microcontroller respectively with
SBW interface circuit, crystal oscillating circuit is connected with reset circuit, power circuit, communication interface circuit and sensor interface circuitry, described
Sensor interface circuitry input is connected with some sensors, and described sensor interface circuitry outfan is connected with microcontroller,
Described microcontroller is connected with host computer by communication interface circuit.
Microcontroller uses MSP430F5172, MSP430F5172 to have a powerful 16 RISC CPU, uses
16 bit registers, and constant generator, in order to obtain maximum code efficiency.This digital controlled oscillator (DCO) can make device
Realize waking up up to activation pattern from low-power consumption mode within the time less than 5 s.MSP430F5172 is furnished with 2 16
High resolution timer, 2 USCI(USCI_A0 and USCI_B0), 1 32 hardware multipliers, 1 high-performance
Comparator on 10 ADC, 1 sheet, 1 triple channel DMA, 5V is pressure I/O and up to 29 I/O pins.
MSP430F5172 is not only provided with the effect of master controller, the most also as the Node Controller of RS485, with its in network
His node realizes data transmission and exchange.
With further reference to Fig. 2, described communication interface circuit includes half-duplex RS-485 transceiver, two-way TVS pipe and
One resistance R703, described two-way TVS pipe and the first resistance R703 are connected in parallel on half-duplex RS-485 transceiver bus A, B two ends,
Half-duplex RS-485 transceiver bus A, B two ends are additionally provided with the first biasing resistor R701 and the second biasing resistor R705, institute
Stating the first biasing resistor R701 two ends and connect two-way TVS pipe and first resistance R703 one end respectively, the second biasing resistor R705 divides
Do not connect two-way TVS pipe and the first resistance R703 other end.Communication foot TX, RX(number of pins of MSP430F5172 be P1.1,
P1.2) being attached with SP485E chip, it is total that the two-way TVS pipe SMBJ6.5CA in communication interface circuit is connected in parallel on RS-485
Line A, B line two ends, carry out transient protective effect to circuit, R701 and R705 is biasing resistor, carries out network failure protection.
But some circuit is fitted without build-out resistor, in communication network designs, match circuit should be carried out according to practical situation
Design.The interface that the CON4 socket of CN701 is A, B communication interface of SP485 and host computer is powered to slave computer.
Sensor includes temperature sensor and/or humidity sensor and/or Smoke Sensor and/or harmful gas sensor
And/or level sensor and/or invade sensor.Temperature sensor, humidity sensor, level sensor, harmful gas sensing
Device, Smoke Sensor and intrusion sensor belong to analog sensor, and the principle of analog sensor is similar, the most only introduce and invade
Enter sensor.Intrusion sensor used herein is that active infrared invades sensor, and it is the reddest by active infrared transmitter and active
Outer reception machine forms, and the infrared beam between transmitter and receiver can produce when being interdicted completely or interdict by given percentage ratio
Raw level variable signal, delivers to analogue signal in MSP430F5172 by invading sensor, and then complete by MSP430F5172
Become the work such as data process and controlling alarm.The analog sensor used in the design all uses linear convergent rate, and this makes level
Change be converted into alarm signal and be just easy to, some level value can also conversion layer truthful data value, such as temperature value, water level
Other the simulation using method such as sensor, Smoke Sensor is the same.
Being the schematic diagram of power circuit with reference to Fig. 3, described power circuit includes the first inductance L and the DC-DC being sequentially connected with
Power module, switching regulator and isolation manostat, described first inductance L one end earth terminal all with switching regulator is connected,
The first inductance L other end is connected with the isolation all earth terminals of manostat, and described DC-DC power module input connects the first electricity
Holding C703, connecting between described DC-DC power module, switching regulator has the second electric capacity C702, described second electric capacity C702 mono-
End connects power supply, other end ground connection, and described switching regulator outfan has the second inductance L701, and switching regulator outfan is in parallel
Diode D703, the first resistance R709 and the 3rd electric capacity C705, described diode D703 negative pole is had to be connected to the second inductance L701
One end, the first resistance R709 and the 3rd electric capacity C705 is connected to the second inductance L701 other end, and described first resistance R709 passes through
Second resistance R708 ground connection, described second resistance R708 one end is connected with switching regulator outfan, and described diode D703 is just
Pole, the 3rd electric capacity C705 other end and the second resistance R708 other end all ground connection, described isolation manostat input is parallel with
Four electric capacity C18 and the 5th electric capacity C16, described isolation output end of voltage stabilizer is parallel with the 6th electric capacity C17 and the 7th electric capacity C19, institute
Stating the 4th electric capacity C18 one end and have power supply by the 3rd resistance R20 connection, described 6th electric capacity C17 and the 7th electric capacity C19 one end are also
Connect and have power supply, described 4th electric capacity C18, the 5th electric capacity C16, the 6th electric capacity C17 and the 7th electric capacity C19 other end all ground connection.
The relationship between quality of power-supply system is to the stability of whole system, and designing a reliable and stable power supply is electronic system steady operation
Basis.According to different power consumption requirement with for the index request of power supply ripple, kinds of schemes can be selected, such as every
Come to system power supply from regulated power supply, linear power supply and switching power supply.Described power circuit includes inductance and connects successively
DC-DC power module, switching regulator and the manostat connect, described inductance one end earth terminal all with switching regulator is connected,
The inductance other end is connected with the isolation all earth terminals of manostat.The power supply of slave computer is provided by host computer.Make Specialty Design
The DC-DC module power source of WRB1212S model, LM2576 step down switching voltage regulator and the manostat of AMB3301A model
LDO, and with the inductance of L702 model, the ground of the analogue signal of system is kept apart with the ground of digital signal, this design can reduce
The failpoint of design, saves the exploitation human and material resources of micropower power supply, time cost, moreover it is possible to preferably ensure that product quality is steady
Qualitative, to ensure the safety and reliability of product.
The above, better embodiment the most of the present utility model, but this utility model is not limited to above-mentioned reality
Execute example, as long as it reaches technique effect of the present utility model with any same or similar means, all should belong to of the present utility model
Protection domain.
Claims (8)
1. a data collection station, it is characterised in that include microcontroller, described microcontroller respectively with SBW interface circuit,
Crystal oscillating circuit is connected with reset circuit, power circuit, communication interface circuit and sensor interface circuitry, described sensor interface electricity
Road input is connected with some sensors, and described sensor interface circuitry outfan is connected with microcontroller, described microcontroller
It is connected with host computer by communication interface circuit.
A kind of data collection station the most according to claim 1, it is characterised in that: described power circuit includes the first inductance
L and the DC-DC power module, switching regulator and the isolation manostat that are sequentially connected with, described first inductance L one end and switch voltage-stabilizing
The all earth terminals of device connect, and the first inductance L other end is connected with the isolation all earth terminals of manostat, described DC-DC power module
Input connects the first electric capacity C703, and connecting between described DC-DC power module, switching regulator has the second electric capacity C702,
Described second electric capacity C702 one end connects power supply, the second electric capacity C702 other end ground connection, and described switching regulator outfan has the
Two inductance L701, switching regulator outfan is parallel with diode D703, the first resistance R709 and the 3rd electric capacity C705, and described two
Pole pipe D703 negative pole is connected to second inductance L701 one end, and the first resistance R709 and the 3rd electric capacity C705 is connected to the second inductance
The L701 other end, described first resistance R709 passes through the second resistance R708 ground connection, and described second resistance R708 one end is steady with switch
Depressor outfan connects, and described diode D703 positive pole, the 3rd electric capacity C705 other end and the second resistance R708 other end all connect
Ground, described isolation manostat input is parallel with the 4th electric capacity C18 and the 5th electric capacity C16, and described isolation output end of voltage stabilizer is also
Being associated with the 6th electric capacity C17 and the 7th electric capacity C19, described 4th electric capacity C18 one end is connected by the 3rd resistance R20 power supply, institute
State the 6th electric capacity C17 and the 7th electric capacity C19 one end is also associated with power supply, described 4th electric capacity C18, the 5th electric capacity C16, the 6th electricity
Hold C17 and the 7th electric capacity C19 other end all ground connection.
A kind of data collection station the most according to claim 1, it is characterised in that: described microcontroller uses
MSP430F5172。
A kind of data collection station the most according to claim 1, it is characterised in that: described communication interface circuit includes half
Duplex RS-485 transceiver, two-way TVS pipe and the first resistance R703, described two-way TVS pipe and the first resistance R703 are connected in parallel on
Half-duplex RS-485 transceiver bus A, B two ends, half-duplex RS-485 transceiver bus A, that B two ends are additionally provided with first is inclined
Putting resistance R701 and the second biasing resistor R705, described first biasing resistor R701 two ends connect two-way TVS pipe and first respectively
Resistance R703 one end, the second biasing resistor R705 connects two-way TVS pipe and the first resistance R703 other end respectively.
A kind of data collection station the most according to claim 2, it is characterised in that: the model of described DC-DC power module
It is WRB1212S.
A kind of data collection station the most according to claim 2, it is characterised in that: the model of described switching regulator is
LM2576。
A kind of data collection station the most according to claim 2, it is characterised in that: the model of described isolation manostat is
AMB3301A。
A kind of data collection station the most according to claim 1, it is characterised in that: described sensor includes temperature sensor
And/or humidity sensor and/or Smoke Sensor and/or harmful gas sensor and/or level sensor and/or invade sensing
Device, described sensor is all analog sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563169.2U CN205750411U (en) | 2016-06-08 | 2016-06-08 | A kind of data collection station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563169.2U CN205750411U (en) | 2016-06-08 | 2016-06-08 | A kind of data collection station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205750411U true CN205750411U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620563169.2U Expired - Fee Related CN205750411U (en) | 2016-06-08 | 2016-06-08 | A kind of data collection station |
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| Country | Link |
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| CN (1) | CN205750411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108427357A (en) * | 2018-06-13 | 2018-08-21 | 冯庆永 | Remote condition monitoring and failure warning system for digital-controlled carving machine |
-
2016
- 2016-06-08 CN CN201620563169.2U patent/CN205750411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108427357A (en) * | 2018-06-13 | 2018-08-21 | 冯庆永 | Remote condition monitoring and failure warning system for digital-controlled carving machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20210608 |