CN206270518U - A kind of Portable Automatic weather station fault locator - Google Patents
A kind of Portable Automatic weather station fault locator Download PDFInfo
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- CN206270518U CN206270518U CN201621439494.4U CN201621439494U CN206270518U CN 206270518 U CN206270518 U CN 206270518U CN 201621439494 U CN201621439494 U CN 201621439494U CN 206270518 U CN206270518 U CN 206270518U
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- circuit
- acquisition process
- optical
- process circuit
- detection circuit
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Abstract
The utility model is related to a kind of Portable Automatic weather station fault locator, including main frame and slave, and the main frame is connected with slave；The main frame includes MCU controllers, channel selection circuit, acquisition process circuit, cable detection circuit, the first LED light and the first optical-fiber detection circuit, the channel selection circuit, acquisition process circuit, cable detection circuit and the first optical-fiber detection circuit are connected with the MCU controllers, the channel selection circuit and the acquisition process circuit are connected, and the cable detection circuit is connected with first LED light；The slave includes the second optical-fiber detection circuit and the second LED light.Portable Automatic weather station fault locator of the present utility model is lightweight, be convenient for carrying, and simple to operate, intelligence degree is high, can quick failure judgement point and failure cause, shorten the system failure repair time.
Description
Technical field
The utility model is related to detector field, more particularly to a kind of Portable Automatic weather station fault locator.
Background technology
Since automatic meteorological observing station is built since China, national automatic meteorological observing station has been laid about in the whole nation
2300 sets, about 53800 sets of region encryption automatic Observation station.The automatic weather station of complete set it is main by collector, sensor and
Cable is constituted.In actual use, in addition to the failure of collector, sensor and connection cables etc. also occur problem, such as line
Cable is bitten broken by mouse causes short circuit or open circuit, and wind direction and wind velocity sensor is by broken by lightning etc..At present, collector fault detect is general
The data inspection for reading RS232 interfaces using removable computer judges；Sensor fault leans on experience or uses new sensor substantially
The methods such as replacement judge；Particularly cable detection is the most complicated, not only to judge each whether open circuit, and to ensure all
Short-circuit conditions caused by not damaged because of insulated hull between electric wire, cable detection typically needs two people to coordinate, and one one with general-purpose
Table is measured, and often surveys one, also with mobile phone or intercom or contact of shouting, then changes another, and efficiency is very low.And need
It is to be understood that in aviation plug used by cable connector each pin hole corresponding relation, it is very inconvenient when being measured with universal meter.
At present, in the market also not used for detection automatic meteorological observing station professional equipment, with encryption with encryption from
Dynamic station quantity is more and more, and the maintenance and repair work of various regions is increasingly busy, in maintenance process how quick failure judgement point and
Failure cause turns into problem demanding prompt solution.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Portable Automatic weather station fault locator.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of Portable Automatic meteorological observation station failure
Detector, including main frame and slave, the main frame are connected with the slave；The main frame includes MCU controllers, channel selecting electricity
Road, acquisition process circuit, cable detection circuit, the first LED light and the first optical-fiber detection circuit, the channel selecting electricity
Road, acquisition process circuit, cable detection circuit and the first optical-fiber detection circuit are connected with the MCU controllers, described logical
Road selection circuit and the acquisition process circuit are connected, and the cable detection circuit is connected with first LED light；It is described
Slave includes the second optical-fiber detection circuit and the second LED light, and second optical-fiber detection circuit is examined with first optical fiber
Slowdown monitoring circuit is by tested optical fiber wired connection, and second optical-fiber detection circuit is also connected with second LED light, described
Second LED light is with first LED light by tested cable wired connection.
The beneficial effects of the utility model are：Portable Automatic weather station fault locator passes through channel selection circuit
Acquisition process circuit needed for connection that can be selective, sends by acquisition process circuit to fault sensor and collector
After electric signal is acquired treatment, data are parsed by MCU controllers, failure judgement, the intelligence degree of detector is high,
The quick failure judgement point of energy and failure cause, so as to shorten the system failure repair time.Portable Automatic meteorological observation station failure
Detector can be with detection fiber failure, and the first optical-fiber detection circuit sends optical signal, and the second optical-fiber detection circuit receives light
Be converted to electric signal after signal, and the break-make of optical fiber is judged by the light on and off situation of the second LED light.In addition, it is portable from
Dynamic weather station fault locator can also detect cable fault, and cable detection circuit is divided electric signal, overhauls people
Member is by observing the light on and off situation of the first LED light and the second LED light, you can quick to judge cable disconnection and short circuit event
Barrier.The detection diverse elements of Portable Automatic weather station fault locator, and can fast and effectively judge sensor, adopt
Storage, cable and fiber failure, improve the overhaul efficiency of maintainer.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement：
Further, the main frame also includes human-computer interaction module, and the human-computer interaction module connects with the MCU controllers
Connect.
Beneficial effect using above-mentioned further scheme is：Using human-computer interaction module, using efficient and convenient, and man-machine friendship
Mutual beautiful interface, it is multiple functional, visualize.
Further, the acquisition process circuit includes temperature acquisition process circuit, humidity collection process circuit, rain collection
Process circuit, wind direction acquisition process circuit, wind speed acquisition process circuit, air pressure acquisition process circuit, evaporation acquisition process circuit,
One or more in visibility acquisition process circuit and collector acquisition process circuit, the temperature acquisition process circuit,
Humidity collection process circuit, rain collection process circuit, wind direction acquisition process circuit, wind speed acquisition process circuit, air pressure acquisition
Process circuit, evaporation acquisition process circuit, visibility acquisition process circuit and collector acquisition process circuit are logical with described
Road selection circuit and MCU controllers are connected.
Beneficial effect using above-mentioned further scheme is：Collection in Portable Automatic weather station fault locator
The electric signal that fault sensor and fault acquisition device are exported is acquired treatment by process circuit, is parsed by MCU controllers
Afterwards, analysis result is compared with actually detected key element, and then judges sensor and collector failure, intelligence degree is high,
The quick failure judgement reason of energy, finds out trouble point.Portable Automatic weather station fault locator supports sensor and collection
Device fault detect, and Transducer fault detection is multiple functional, support temperature, humidity, rainfall, wind direction, wind speed, air pressure, evaporation, energy
The fault detect of the sensor of various key elements such as degree of opinion.
Further, the cable detection circuit includes pulse signal frequency dividing circuit, the pulse signal frequency dividing circuit difference
It is connected with the MCU controllers and the first LED light.
Beneficial effect using above-mentioned further scheme is：When cable detection is carried out, pulse signal frequency dividing circuit can be right
Electric signal is divided, and by observing the light on and off situation of the first LED light, can conveniently judge cable disconnection, short
The failure situation on road and its short circuit between screen layer.
Further, first optical-fiber detection circuit includes electro-optical conversion circuit and optical signal transmitter, and the electric light turns
Change circuit to be connected with the MCU controllers, the optical signal transmitter is examined with the electro-optical conversion circuit and the second optical fiber respectively
Slowdown monitoring circuit is connected.
Further, second optical-fiber detection circuit includes optical signal receiver and photoelectric switching circuit, the optical signal
Receiver by tested optical fiber and the optical signal transmitter wired connection, the photoelectric switching circuit respectively with the optical signal
Receiver and the second LED light are connected.
Beneficial effect using above-mentioned further scheme is：During fiber laser arrays, can be by telecommunications by electro-optical conversion circuit
Number optical signal is converted to, optical signal is transferred to by optical signal receiver by tested optical fiber by optical signal transmitter, by light
Power conversion circuit converts optical signals to electric signal, and by observing the light on and off situation of the second LED light, can be with fast and easy
The break-make failure for judging optical fiber.
Further, the main frame is encapsulated using metal cabinet, and the slave is encapsulated using plastic box type.
Beneficial effect using above-mentioned further scheme is：Main frame and slave all use cabinet design, lightweight, conveniently take
Band.
Brief description of the drawings
The structural representation of the Portable Automatic weather station fault locator that Fig. 1 is provided for the embodiment of the utility model one
Figure；
Fig. 2 is a kind of structural representation of acquisition process circuit of the utility model；
Fig. 3 is a kind of circuit theory diagrams of temperature acquisition process circuit of the utility model；
Fig. 4 shows for the structure of the Portable Automatic weather station fault locator that another embodiment of the utility model is provided
It is intended to；
Fig. 5 is the circuit theory diagrams that a kind of cable of the utility model detects circuit.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
Fig. 1 is a kind of structural representation of Portable Automatic weather station fault locator of the utility model.Such as Fig. 1 institutes
Show, Portable Automatic weather station fault locator includes main frame and slave, the main frame is connected with the slave；The master
Machine includes MCU controllers, channel selection circuit, acquisition process circuit, cable detection circuit, the first LED light and first
Optical-fiber detection circuit, the channel selection circuit, acquisition process circuit, cable detection circuit and the first optical-fiber detection circuit are equal
Be connected with the MCU controllers, the channel selection circuit and the acquisition process circuit are connected, the cable detection circuit with
The first LED light connection；The slave includes the second optical-fiber detection circuit and the second LED light, second light
Fibre detection circuit and first optical-fiber detection circuit by tested optical fiber wired connection, second optical-fiber detection circuit also with
The second LED light connection, second LED light is with first LED light by being tested the wired company of cable
Connect.
A kind of Portable Automatic weather station fault locator that the present embodiment is provided, can be with detection sensor, collection
Device, optical fiber and cable fault, intelligence degree are high, can quick failure judgement point and failure cause, so as to shorten system failure inspection
Repair the time.Specifically, detector by channel selection circuit can selectivity connection needed for acquisition process circuit, at collection
After reason circuit is acquired treatment to the electric signal that fault sensor and collector send, data are solved by MCU controllers
Analysis, failure judgement, the intelligence degree of detector is high, can quick failure judgement point and failure cause, so as to shorten the system failure
Repair time.Fault locator can be with detection fiber failure, specifically, the first optical-fiber detection circuit sends optical signal, second
Optical-fiber detection circuit is received and be converted to after optical signal electric signal, and light on and off situation by the second LED light judges optical fiber
Break-make.In addition, fault locator can also detect cable fault, specifically, cable detection circuit is divided electric signal,
Maintainer can quickly judge cable fault by the first LED light of observation and the light on and off situation of the second LED light.
Portable Automatic weather station fault locator detects diverse elements, and can fast and effectively judge cable and optical fiber event
Barrier, improves the overhaul efficiency of maintainer.
It is pointed out that including multiple diodes in the first LED light and the second LED light.
Preferably, in the present embodiment, the main frame of Portable Automatic weather station fault locator also includes man-machine interaction
Module, the human-computer interaction module is connected with the MCU controllers.The human-computer interaction module is specially touch-screen, enter key
One or more of disk and liquid crystal display, by using human-computer interaction module, using efficient and convenient, and human-computer interaction interface is beautiful
See, it is multiple functional, visualize.
As shown in Fig. 2 being a kind of structural representation of acquisition process circuit of the utility model.The acquisition process circuit bag
Temperature acquisition process circuit, humidity collection process circuit, rain collection process circuit, wind direction acquisition process circuit, wind speed is included to adopt
Collection process circuit, air pressure acquisition process circuit, evaporation acquisition process circuit, visibility acquisition process circuit and collector collection
One or more in process circuit, the temperature acquisition process circuit, humidity collection process circuit, rain collection treatment electricity
Road, wind direction acquisition process circuit, wind speed acquisition process circuit, air pressure acquisition process circuit, evaporation acquisition process circuit, visibility
Acquisition process circuit and collector acquisition process circuit are connected with the channel selection circuit and MCU controllers.
Portable Automatic weather station fault locator supports sensor and collector fault detect, sensor fault
Detection is multiple functional, various essential sensors events such as support temperature, humidity, rainfall, wind direction, wind speed, air pressure, evaporation, visibility
The detection of barrier, intelligence degree is high.In the present embodiment, the acquisition process in Portable Automatic weather station fault locator
The electric signal that fault sensor and collector are exported can be acquired treatment by circuit, and data are divided by MCU controllers
Analysis, judges sensor and collector failure, rapidly finds out trouble point.
As shown in figure 3, a kind of circuit theory diagrams of temperature acquisition process circuit.The temperature acquisition process circuit it is main by
Circuitry for signal measurement, signal amplification circuit and A/D change-over circuits composition, circuitry for signal measurement use 2.5V standard of precision voltage
Source MC1403, amplifier LF353 constitute constant-current source to related capacitance resistance component, used as swashing for Pt100 RTD type temperature sensors
Power supply is encouraged, the two ends of temperature sensor are connected, i.e., TE1 terminals and TE4 terminals in figure plays the purpose of resistance/voltage conversion,
By temperature/resistance change transitions for temperature/voltage amount changes；Signal amplification circuit is main by by one piece of LM124 and surrounding
Resistance-inductance composition, LM124 includes four operational amplifiers, constitutes two grades of differential amplifier circuits, signal amplification circuit with
The two ends connection of Pt100 RTDs, i.e., TE2 terminals and TE3 terminals in figure, when temperature is from -50 DEG C~+80 DEG C changes,
The voltage signal that the two ends of Pt100 RTDs produce changes about between 0~150mV, the effect of signal amplification circuit be by
The voltage signal is amplified to 0~5V, eventually passes after A/D change-over circuits are converted into data signal, is analyzed by MCU controllers
Treatment.
Preferably, the electricity that the humidity collection process circuit is exported using dual operational amplifier LM358 to humidity sensor
Pressure signal carries out 4 times of signals and amplifies, and then carries out A/D sampling processings.
Preferably, the rain collection process circuit use with gate circuit SN54S08, by double skip rain sensor output
Switching signal carry out shaping pulse, it is shaped after switching signal can trigger interruption, and the interruption processed by MCU controllers believe
Number.
Preferably, the wind direction acquisition process circuit uses driver 74HC244, for isolating I/O mouthfuls in MCU controllers
With the parallel port output end of wind transducer, MCU controllers read wind transducer 7 output voltages of Gray code, divided
Analysis is processed.
Preferably, the wind speed acquisition process circuit is used and gate circuit SN54S08, the pulse that air velocity transducer is exported
Signal carries out wave shape correcting, and carries out pulse frequency measurement and wind speed conversion by MCU controllers.
Preferably, the evaporation acquisition process circuit goes here and there one 200 between the signal output part and ground of evaporation gauge
The precision resistance of Ω, the current signal of 4mA -20mA is converted into the voltage signal of 0.8V -4V, is then carried out at AD samplings
Reason.
Preferably, the air pressure acquisition process circuit, visibility acquisition process circuit and collector acquisition process circuit are equal
Data in air pressure intelligence sensor, visibility intelligence sensor and collector are directly read using interface circuit MAX232N,
And treatment is analyzed by MCU controllers.
In another preferred embodiment, as shown in figure 4, first optical-fiber detection circuit includes electro-optical conversion circuit and light
Signal projector, the electro-optical conversion circuit is connected with the MCU controllers, the optical signal transmitter respectively with the electric light
Change-over circuit and the second optical-fiber detection circuit are connected.
Preferably, second optical-fiber detection circuit includes optical signal receiver and photoelectric switching circuit, the optical signal
Receiver by tested optical fiber and the optical signal transmitter wired connection, the photoelectric switching circuit respectively with the optical signal
Receiver and the second LED light are connected.
Portable Automatic weather station fault locator, can be by by electro-optical conversion circuit when fiber laser arrays are carried out
Electric signal is converted to optical signal, and optical signal is transferred into optical signal receiver by tested optical fiber by optical signal transmitter, leads to
Cross photoelectric switching circuit and convert optical signals to electric signal, and by observing the light on and off situation of the second LED light, can be conveniently
Quickly judge the break-make failure of optical fiber.
Specifically, in the present embodiment, the MCU controllers are STC12C5A60S2 type single-chip microcomputers, are carrying out optical fiber inspection
During survey, single-chip microcomputer timer internal can produce PWM wave pulse signals, PWM wave pulse signals by after electro-optical conversion circuit, PWM
Wave pulse signal is converted to optical signal, and the optical signal is sent into slave optical signal and connect by optical signal transmitter by tested optical fiber
Device is received, then the optical signal is converted into electric signal, and the light on and off situation for passing through the second LED light by photoelectric switching circuit,
Judge the break-make failure of optical fiber.
Preferably, the cable detection circuit includes pulse signal frequency dividing circuit, the pulse signal frequency dividing circuit difference
It is connected with the MCU controllers and the first LED light.
Portable Automatic weather station fault locator is entered when cable detection is carried out by pulse signal frequency dividing circuit
Row signal frequency split, by observing the light on and off situation of the first LED light and the second LED light, can conveniently judge
The failure situation of cable disconnection, short circuit and its short circuit between screen layer.
Specifically, as shown in figure 5, detecting the circuit theory diagrams of circuit for a kind of cable.STC12C5A60S2 types in main frame
It is the PWM wave pulse signals of 1Hz, two panels identical counter that single-chip microcomputer produces frequency by timer internal SNS54S08
The resistance on CD4017BCM and its periphery constitutes pulse signal frequency dividing circuit, and frequency dividing letter is produced by pulse signal frequency dividing circuit
Number, each fractional frequency signal of generation connects each the corresponding diode in the first LED light, the first LED light connection quilt
One end of survey line cable, the other end for being tested cable connects the second LED light, by observe in main frame the first LED light and
In slave in the second LED light corresponding light emitting diode light on and off situation, judge tested cable disconnection or short trouble.
The two ends of tested cable are connected into main frame and slave respectively, when corresponding light emitting diode does not all work in main frame and slave, explanation
Heart yearn open circuit；When the light emitting diode of main frame is lighted successively, and two luminous tubes of slave do not work, and illustrate this two cores
Line short circuit.One end of tested cable is connected into main frame, when the other end does not connect slave, one in the first LED light in main frame
Or multiple light emitting diode is bright, the heart yearn and screen layer short circuit are illustrated, which light emitting diode is bright, be exactly which and hair
The heart yearn of optical diode connection and screen layer short circuit.
In the present embodiment, the main frame is encapsulated using metal cabinet, and the slave is encapsulated using plastic box type.Main frame and pair
Machine all uses cabinet design, lightweight, is convenient for carrying.
A kind of Portable Automatic weather station fault locator of the present utility model, can detection sensor, collector, light
Fine and cable fault, intelligence degree is high, can quick failure judgement point and failure cause so that when shortening the system failure and overhauling
Between, detector uses cabinet design, lightweight, is convenient for carrying, simple and quick.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of Portable Automatic weather station fault locator, it is characterised in that：Including main frame and slave；The main frame with
The slave connection；
The main frame includes that MCU controllers, channel selection circuit, acquisition process circuit, cable detection circuit, a LED are indicated
Lamp and the first optical-fiber detection circuit, the channel selection circuit, acquisition process circuit, cable detection circuit and the first optical fiber
Detection circuit is connected with the MCU controllers, and the channel selection circuit and the acquisition process circuit are connected, the cable
Detection circuit is connected with first LED light；
The slave includes the second optical-fiber detection circuit and the second LED light, second optical-fiber detection circuit and described the
One optical-fiber detection circuit by tested optical fiber wired connection, second optical-fiber detection circuit also with second LED light
Connection, second LED light is with first LED light by tested cable wired connection.
2. Portable Automatic weather station fault locator according to claim 1, it is characterised in that：The main frame is also
Including human-computer interaction module, the human-computer interaction module is connected with the MCU controllers.
3. Portable Automatic weather station fault locator according to claim 1, it is characterised in that：At the collection
Reason circuit includes temperature acquisition process circuit, humidity collection process circuit, rain collection process circuit, wind direction acquisition process electricity
Road, wind speed acquisition process circuit, air pressure acquisition process circuit, evaporation acquisition process circuit, visibility acquisition process circuit and
One or more in collector acquisition process circuit, the temperature acquisition process circuit, humidity collection process circuit, rainfall are adopted
Collection process circuit, wind direction acquisition process circuit, wind speed acquisition process circuit, air pressure acquisition process circuit, evaporation acquisition process electricity
Road, visibility acquisition process circuit and collector acquisition process circuit connect with the channel selection circuit and MCU controllers
Connect.
4. Portable Automatic weather station fault locator according to claim 1, it is characterised in that：The cable inspection
Slowdown monitoring circuit includes pulse signal frequency dividing circuit, and the pulse signal frequency dividing circuit refers to the MCU controllers and a LED respectively
Show that lamp is connected.
5. Portable Automatic weather station fault locator according to claim 1, it is characterised in that：First light
Fibre detection circuit includes electro-optical conversion circuit and optical signal transmitter, and the electro-optical conversion circuit is connected with the MCU controllers,
The optical signal transmitter is connected with the electro-optical conversion circuit and the second optical-fiber detection circuit respectively.
6. Portable Automatic weather station fault locator according to claim 5, it is characterised in that：Second light
Fibre detection circuit includes optical signal receiver and photoelectric switching circuit, and the optical signal receiver passes through tested optical fiber and the light
Signal projector wired connection, the photoelectric switching circuit is connected with the optical signal receiver and the second LED light respectively.
7. the Portable Automatic weather station fault locator according to any one of claim 1 to 6, it is characterised in that：
The main frame is encapsulated using metal cabinet, and the slave is encapsulated using plastic box type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439494.4U CN206270518U (en) | 2016-12-26 | 2016-12-26 | A kind of Portable Automatic weather station fault locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439494.4U CN206270518U (en) | 2016-12-26 | 2016-12-26 | A kind of Portable Automatic weather station fault locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270518U true CN206270518U (en) | 2017-06-20 |
Family
ID=59047919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621439494.4U Expired - Fee Related CN206270518U (en) | 2016-12-26 | 2016-12-26 | A kind of Portable Automatic weather station fault locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351648A (en) * | 2019-07-31 | 2019-10-18 | 广州笙达电器有限公司 | The detection method of signal deteching circuit and SPDIF fiber-optic signal |
| CN111679227A (en) * | 2020-06-18 | 2020-09-18 | 国网冀北电力有限公司检修分公司 | Coaxial cable channel state detection circuit and method |
-
2016
- 2016-12-26 CN CN201621439494.4U patent/CN206270518U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351648A (en) * | 2019-07-31 | 2019-10-18 | 广州笙达电器有限公司 | The detection method of signal deteching circuit and SPDIF fiber-optic signal |
| CN111679227A (en) * | 2020-06-18 | 2020-09-18 | 国网冀北电力有限公司检修分公司 | Coaxial cable channel state detection circuit and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190614 Address after: 430000 Wuhan Donghu New Technology Development Zone, Wuhan, Hubei Province, 2-2 Guandongyuan Road, Wuhan Guanggu International Chamber of Commerce Building, A-1810 Patentee after: Wuhan Chutian Lianhua High-tech Development Co., Ltd. Address before: 430074 No. 3 Donghu East Road, Wuhan City, Hubei Province (Hubei Meteorological Bureau) Patentee before: HUBEI METEOROLOGY INFORMATION AND TECHNICAL GUARANTEE CENTER |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20201226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |