CN206396813U - A kind of pit retaining monitoring collector and system - Google Patents
A kind of pit retaining monitoring collector and system Download PDFInfo
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- CN206396813U CN206396813U CN201621467299.2U CN201621467299U CN206396813U CN 206396813 U CN206396813 U CN 206396813U CN 201621467299 U CN201621467299 U CN 201621467299U CN 206396813 U CN206396813 U CN 206396813U
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Abstract
The utility model discloses a kind of pit retaining monitoring collector and system, including acquisition module, processing module and power module；Wherein, the acquisition module of the pit retaining monitoring collector is connected with multiple sensors in foundation ditch；The processing module is used to receive acquisition instructions generation control signal, and sends to the acquisition module；The acquisition module is used to produce pumping signal to sensor described in foundation ditch corresponding one according to the control signal, and gathers the detection signal of the sensor；The processing module is additionally operable to receive the detection signal that the acquisition module is sent, and handles generation foundation ditch parameter letter；It is that acquisition module and processing module provide power supply signal that the power module, which is used for,.A kind of pit retaining monitoring collector and system provided by the utility model, can be achieved efficient data monitoring, it is to avoid the error caused due to hand-kept or manual conversion, it is ensured that the personal safety of survey crew, simple to operate, and precision is high, strong antijamming capability.
Description
Technical field
The utility model embodiment is related to field of measuring technique, more particularly to a kind of pit retaining monitoring collector and system.
Background technology
With developing rapidly for China's infrastructure, the deep-foundation pit engineering such as subway station, building construction basis builds also day
Benefit increases.In the work progress of deep-foundation pit engineering, the stability of its supporting construction just seems of crucial importance.In Modern Information
Under the guidance of construction concept, to foundation pit supporting construction and the foundation ditch periphery soil body, construction of structures etc. carry out real-time system monitoring into
To ensure the important means of deep pit monitor.Wherein be to the monitoring of supporting construction mostly important content in whole monitoring system it
One.Therefore, by the monitoring to axial force of the supports, the force-bearing situation supported in work progress can be grasped in time, while can also
The substantially anti-deformation for pushing away building enclosure (stake or wall etc.).Accurate measurements go out the size and its situation of change of axial force of the supports to whole
Individual Foundation Pit Construction just seems extremely important safely.
It is, using manual site's measurement, to pass through hand-held reading to the conventional method that reinforced concrete support axle power is monitored at present
Instrument is single to read type vibration wire Reinforcement Stress-count, measures the stress value of reinforcing bar, then manually calculates axial force of the supports.Such a support shaft
Power metering system backwardness, monitored density and precision are many times all difficult to the effect for playing foundation ditch axial force of the supports monitoring and warning.Tool
This mode mainly has the deficiency of three aspects, first aspect because foundation ditch axle power is typically all to be covered with whole foundation ditch week for body
Side, in-site measurement personnel are read, it is necessary to devote a tremendous amount of time, and this monitored density is going out one by one by hand-held readout instrument
Often do not reach the effect of timely early warning when existing dangerous situation, and the safety of survey crew itself can not be ensured.Second aspect, because
For the difference of the personal professional skill of observation, the data observed are very different；Man false data happens occasionally, the essence of data
Exactness can not ensure, be that scientific research and designer cause very big puzzlement to the analysis of foundation ditch axial force of the supports with research；Observe
Support shaft force value passes through hand-kept, manual conversion, and the probability for error occur is very big.Often have big around the third aspect, foundation ditch
Power apparatus works, and resulting interference is very big to the axial force of the supports reinforcing rib meter stress value stability influence of vibratory string class.
Utility model content
The utility model provides a kind of pit retaining monitoring collector and system, to solve foundation ditch axial force of the supports Monitoring Data not
Accurate the problem of.
For up to this purpose, the utility model uses following technical scheme：
A kind of pit retaining monitoring collector, including acquisition module, processing module and power module；
Wherein, the acquisition module of the pit retaining monitoring collector is connected with multiple sensors in foundation ditch；
The processing module is used to receive acquisition instructions generation control signal, and sends to the acquisition module；
The acquisition module is used to produce sensor described in foundation ditch corresponding one in excitation letter according to the control signal
Number, and gather the detection signal of the sensor；
The processing module is additionally operable to receive the detection signal that the acquisition module is sent, and handles generation foundation ditch ginseng
Number signal；
It is that the acquisition module and the processing module provide power supply signal that the power module, which is used for,.
Further, in above-mentioned foundation ditch collector, the acquisition module includes：Channel selection circuit, selective frequency amplifier circuit
And excitation chain；
The channel selection circuit is used to control the selective frequency amplifier circuit and excitation chain according to the control signal
The sensor connection corresponding with foundation ditch；
The excitation chain is used for the string wire starting of oscillation for the sensor being attached thereto；
The selective frequency amplifier circuit is used for the detection produced by the string wire starting of oscillation for the sensor being attached thereto
Signal is amplified filtering process.
Further, the foundation ditch collector, in addition to：
Photoelectric isolation module, the photoelectric isolation module respectively with the channel selection circuit, the selective frequency amplifier circuit,
The excitation chain and processing module connection, for by the control signal and the detection signal carry out electrically every
From.
Further, in above-mentioned foundation ditch collector, the photoelectric isolation module include multiple first kind photoelectrical couplers,
One Second Type photoelectrical coupler and one the 3rd type photoelectrical coupler；The first kind photoelectrical coupler, Second Type
Photoelectrical coupler and the 3rd type light thermocouple include Light-Emitting Diode, phototriode and pull-up resistor；
Wherein, the input of the light emitting diode in the first kind photoelectrical coupler connects with the processing module
Connect；The output end of the light emitting diode in the first kind photoelectrical coupler is connected with digital circuit ground end；It is described
The emitter stage of the phototriode in first kind photoelectrical coupler is connected with analog circuit earth terminal；The first kind
Described pull-up resistor one end and the collection of the phototriode in the first kind photoelectrical coupler in photoelectrical coupler
Electrode is connected；The other end of the pull-up resistor in the first kind photoelectrical coupler connects with the channel selection circuit
Connect；
The input of the light emitting diode in the Second Type photoelectrical coupler connects with the selective frequency amplifier circuit
Connect；The output end of the light emitting diode in the Second Type photoelectrical coupler is connected with analog circuit earth terminal；It is described
The emitter stage of the phototriode in Second Type photoelectrical coupler is connected with digital circuit ground end；The Second Type
Described pull-up resistor one end and the collection of the phototriode in the Second Type photoelectrical coupler in photoelectrical coupler
Electrode is connected；The other end of the pull-up resistor in the Second Type photoelectrical coupler is connected with the processing module；
The input of the light emitting diode in the 3rd type photoelectrical coupler is connected with the processing module；Institute
The output end for stating the light emitting diode in the 3rd type photoelectrical coupler is connected with digital circuit ground end；3rd class
The emitter stage of the phototriode in type photoelectrical coupler is connected with analog circuit earth terminal；The 3rd type light thermocouple
Described pull-up resistor one end and the colelctor electrode of the phototriode in the 3rd type photoelectrical coupler in clutch connect
Connect；The other end of the pull-up resistor in the 3rd type photoelectrical coupler is connected with the excitation chain.
Further, in above-mentioned foundation ditch collector, the power module includes：Main power source and power isolation module；
The main power source is connected with external power source signal wire, the power isolation module and the processing module respectively；
The power isolation module is also connected with the acquisition module, for power supply signal that the main power source is provided with
External power source signal isolation.
Further, in above-mentioned foundation ditch collector, the power isolation module include isolated from power chip, the power supply every
Off-chip piece includes positive voltage output end, negative voltage output end, analog circuit earth terminal, target voltage input, device ground end；
Wherein, the positive voltage output end is connected with the acquisition module；
The negative voltage output end is connected with the acquisition module；
The target voltage input is connected with the main power source.
Further, in above-mentioned foundation ditch collector, the processing module includes：
Processing unit, interface unit, memory cell and digital power；
The processing unit is used to receive the detection signal that the acquisition module is sent, and handles generation foundation ditch parameter
Signal；
The interface unit is connected with external bus, for the foundation ditch parameter signal to be sent to the acquisition instructions
Sender；
The memory cell, for storing the foundation ditch parameter signal；
The digital power is connected with the processing unit, the interface unit and the memory cell respectively, is used for
Operating voltage is provided for the processing unit, the interface unit and the memory cell.
Further, in above-mentioned foundation ditch collector, the channel selection circuit includes channel selecting chip；The passage choosing
Selecting chip includes control signal input, public input；
Wherein, the control signal input and the light of first kind photoelectrical coupler in the photoelectric isolation module
The colelctor electrode connection of quick triode；
The public input is connected with the excitation chain, the selective frequency amplifier circuit；
Further, in above-mentioned foundation ditch collector, the detection signal includes power frequency value, the foundation ditch parameter signal
Including support shaft force value.
The utility model embodiment also provides a kind of pit retaining monitoring system, including the pit retaining monitoring described in any of the above-described is adopted
Storage and multiple sensors in foundation ditch.
A kind of pit retaining monitoring collector and system that the utility model embodiment is provided, it is possible to achieve efficient data
Monitoring, it is to avoid the error caused due to hand-kept or manual conversion, it is ensured that the personal safety of survey crew, and operation letter
Single, precision is high, strong antijamming capability.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is a kind of overall structure block diagram for pit retaining monitoring collector that the utility model embodiment one is provided；
Fig. 2 is a kind of overall structure block diagram for pit retaining monitoring collector that the utility model embodiment two is provided；
Fig. 3 is a kind of physical circuit figure for photoelectric isolation module that the utility model embodiment two is provided；
Fig. 4 is a kind of physical circuit figure for power isolation module that the utility model embodiment two is provided；
Fig. 5 is a kind of physical circuit figure for channel selection circuit that the utility model embodiment two is provided；
Fig. 6 is a kind of overall structure block diagram for pit retaining monitoring system that the utility model embodiment three is provided.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than limits of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
Fig. 1 is a kind of overall structure block diagram for pit retaining monitoring collector that the utility model embodiment one is provided.Such as Fig. 1 institutes
Show, the utility model embodiment provides a kind of pit retaining monitoring collector, by controlling the collection and elimination of multichannel to gather
Human error and environmental disturbances in journey, it is possible to achieve high efficiency and the high data monitoring of precision.
The pit retaining monitoring collector includes：Acquisition module 10, processing module 20 and power module 30；
Wherein, the acquisition module 10 of the pit retaining monitoring collector is connected with multiple sensors in foundation ditch；
The processing module 20 is used to receive acquisition instructions generation control signal, and sends to the acquisition module 10；
The acquisition module 10 is used to produce excitation to sensor described in foundation ditch corresponding one according to the control signal
Signal, and gather the detection signal of the sensor；
The processing module 20 is additionally operable to receive the detection signal that the acquisition module 10 is sent, and handles generation base
Cheat parameter signal.
The power module 30 is used to be that the acquisition module 10 and the processing module 20 provide power supply signal.
Acquisition module is connected with multiple sensors in foundation ditch in the utility model embodiment, and acquisition module can be according to control
The corresponding sensor of signal behavior processed, then produces pumping signal to the sensor, and gathers the detection signal of the sensor, because
This control signal that can be sent according to processor switches the gating of each sensor and acquisition module, realizes different sensors with adopting
Collect the passage switching of module.Therefore pit retaining monitoring collector can be arranged on to a fixed position of foundation ditch, or survey crew
Can the hand-held pit retaining monitoring collector of home at the scene, read one by one by hand-held pit retaining monitoring collector without survey crew
The sensing data in foundation ditch is taken, so the safety of survey crew itself on the one hand can be ensured, on the other hand, data are improved
Collecting efficiency.
Optionally, the acquisition module includes：Channel selection circuit 11, selective frequency amplifier circuit 12 and excitation chain 13.
The channel selection circuit 11 be used for according to the control signal control the selective frequency amplifier circuit 12 and excitation chain 13 with
The corresponding sensor connection in foundation ditch；The string wire that the excitation chain 13 is used for the sensor to being attached thereto rises
Shake；The selective frequency amplifier circuit 12 is used for the detection signal produced by the string wire starting of oscillation for the sensor being attached thereto
It is amplified filtering process.
Wherein, the sensor can be vibrating wire sensor, such as including Reinforcement Stress-count.The described of the collector is adopted
Collection module is connected with multiple vibrating wire sensors in foundation ditch by wired mode, to realize the collection of multichannel vibratory string signal.
Optionally, detect that signal includes power frequency value described in above-described embodiment.Such as string wire in vibrating wire sensor
Starting of oscillation after pumping signal is received, faint string wire vibration is converted into size by the coil that shakes of the inspection in vibrating wire sensor again afterwards
The current signal of change, because string wire vibrates intrinsic frequency correlation only with itself, so the electricity that inspection is shaken accessed by coil
The change frequency for flowing signal is equal to the vibration frequency of string wire.Optionally, above-mentioned foundation ditch parameter signal includes support shaft force value.Processing
Module can calculate the frequency size of the detection signal of sensor, coordinate relevant parameter further according to the operational formula prestored,
Calculate the corresponding foundation ditch parameter signal of detection signal of the sensor.Foundation ditch parameter signal is physical quantity directly perceived such as support shaft
Force value, strain or pressure etc..It will directly detect that signal transacting is joined into the foundation ditch of physical quantity directly perceived by using the processing module
Number signal can be avoided due to the situation hair that the result data that survey crew's hand-kept or manual conversion cause has larger error
It is raw.
Embodiment two
Fig. 2 is a kind of overall structure block diagram for pit retaining monitoring collector that the utility model embodiment two is provided.Referring to figure
2, the pit retaining monitoring collector includes：Acquisition module 10, processing module 20, power module 30 and photoelectric isolation module 40.Institute
State photoelectric isolation module 40 respectively with the channel selection circuit 11 in acquisition module 10, the selective frequency amplifier circuit 12, institute
State excitation chain 13 and the processing module 30 connected, for by the control signal and the detection signal carry out electrically every
From.
It should be noted that because the circuit in acquisition module is analog circuit, the circuit in processing module is numeral electricity
Road, by increasing photoelectric isolation module, can prevent interference of the digital circuit to analog circuit, the frequency detecting made it is more accurate and
It is stable.
Optionally, the power module 30 includes：Main power source 31 and power isolation module 32.The main power source 31 respectively with
External power source signal wire, the power isolation module 32 and the processing module 20 are connected；The power isolation module 32 is also
It is connected with the acquisition module 10, for power supply signal and the external power source signal isolation for providing the main power source 31.
It should be noted that being powered by the main power source by outside D/C power, then collector is converted into by DC-DC again
The operating voltage (such as 5V) needed.Referring to Fig. 2, the power isolation module 32 also respectively with the institute in the acquisition module 10
Channel selection circuit 11, selective frequency amplifier circuit 12 and excitation chain 13 is stated to connect.
Optionally, the processing module 20 includes：Processing unit 21, interface unit 22, memory cell 23 and digital power
24.The processing unit 21 is used to receive the detection signal that the acquisition module 10 is sent, and handles generation foundation ditch parameter
Signal；The interface unit 22 is connected with external bus, for the foundation ditch parameter signal to be sent to the acquisition instructions
Sender；The memory cell 23, for storing the foundation ditch parameter signal.The digital power 24 is single with the processing respectively
Member 21, the interface unit 22 and the memory cell 23 are connected, for for the processing unit 21, the interface unit 22
And the memory cell 23 provides operating voltage.
Optionally, the interface unit can be 485 interfaces, be connected with external bus, realize data transmit-receive.The storage
Unit can store result data and related parameter information (the calculating public affairs of reinforcing rib meter stress value and axial force of the supports that measurement is obtained
Formula is demarcated in memory cell, is called by the processing unit).It is preferred that, high-capacity flash memory memory is selected, can be stored
The data of more multichannel, are that effective extension of passage stores basis there is provided reliable.The interface unit of the collector with
External bus can be connected by wired or wireless communication mode, it is possible to achieve to the site safety position of foundation ditch parameter signal
The wireless remote control collection of wired collection and long range.The digital power is powered by main power source, then is converted to processing list through DC-DC
The digital circuits such as member, memory and interface unit provide operating voltage.
Fig. 3 is a kind of physical circuit figure for photoelectric isolation module that the utility model embodiment two is provided, referring to Fig. 3, institute
Stating photoelectric isolation module 40 includes multiple first kind photoelectrical couplers 41, a Second Type photoelectrical coupler 42 and one the 3rd
Type photoelectrical coupler 43；The first kind photoelectrical coupler 41, the type light of Second Type photoelectrical coupler 42 and the 3rd
Thermocouple 43 includes Light-Emitting Diode, phototriode and pull-up resistor.
Wherein, the input of the light emitting diode in the first kind photoelectrical coupler 41 and the processing module
Connection；The output end of the light emitting diode in the first kind photoelectrical coupler 41 is connected with digital circuit ground end；
The emitter stage of the phototriode in the first kind photoelectrical coupler 41 is connected with analog circuit earth terminal；Described
Described pull-up resistor one end in one type photoelectrical coupler 41 with it is described photosensitive in the first kind photoelectrical coupler 41
The colelctor electrode connection of triode；The other end of the pull-up resistor in the first kind photoelectrical coupler 41 and the passage
Selection circuit is connected；
The input of the light emitting diode in the Second Type photoelectrical coupler 42 and the selective frequency amplifier circuit
Connection；The output end of the light emitting diode in the Second Type photoelectrical coupler 42 is connected with analog circuit earth terminal；
The emitter stage of the phototriode in the Second Type photoelectrical coupler 42 is connected with digital circuit ground end；Described
Described pull-up resistor one end in two type photoelectrical couplers 42 with it is described photosensitive in the Second Type photoelectrical coupler 42
The colelctor electrode connection of triode；The other end of the pull-up resistor in the Second Type photoelectrical coupler 42 and the processing
Module is connected；
The input of the light emitting diode in the 3rd type photoelectrical coupler 43 is connected with the processing module；
The output end of the light emitting diode in the 3rd type photoelectrical coupler 43 is connected with digital circuit ground end；Described
The emitter stage of the phototriode in three type photoelectrical couplers 43 is connected with analog circuit earth terminal；3rd type
Described pull-up resistor one end in photoelectrical coupler 43 and the phototriode in the 3rd type photoelectrical coupler 43
Colelctor electrode connection；The other end of the pull-up resistor in the 3rd type photoelectrical coupler 43 connects with the excitation chain
Connect.
It should be noted that any type of photoelectrical coupler is by light-emitting component (light emitting diode) and light member
Part (phototriode) is combined, the electric signal driving light emitting diode of input, is allowed to send the light of certain wavelength, by light
Quick triode receives and produces photoelectric current, then is exported after further amplification.The conversion of electrical-optical-electrical is completed, so as to play
Input, output, the effect of isolation, make input and output electrically be entirely isolated.
Input PIC0out, PIC1out and PIC2out pipe of light emitting diode in the first kind photoelectrical coupler
Pin is connected from the different pins of processing unit in processing module, the output of light emitting diode in the first kind photoelectrical coupler
End DGND pins are all connected with digitally；In the first kind photoelectrical coupler colelctor electrode PIC0, PIC1 of phototriode and
PIC2 pins are connected pull-up resistor R141, R142 and R143 respectively, and then pins connections different from channel selection circuit, described
The emitter stage AGND pins of phototriode are all connected with simulation ground in first kind photoelectrical coupler.The first kind photoelectricity coupling
Clutch is multiple, for example, can be 3 (as shown in Figure 3), and the switching of 8 passages of control accesses different vibrating wire sensors.Need
It is noted that those skilled in the art can set the first kind on the basis of the utility model design according to product demand
The number of type photoelectrical coupler, the utility model embodiment is not limited the quantity of first kind photoelectrical coupler.
The CE pipes of the input CE pins of light emitting diode and selective frequency amplifier circuit in the Second Type photoelectrical coupler
Pin is connected, the output terminals A GND pins connection simulation ground of light emitting diode in the Second Type photoelectrical coupler；Described second
Colelctor electrode CEin pins one pull-up resistor R144 of series connection of phototriode in type photoelectrical coupler, then with processing module
The pin of middle processing unit is connected, the emitter stage DGND pins connection number of phototriode in the Second Type photoelectrical coupler
Word circuit ground end.
The input PZout pins of light emitting diode are single with being handled in processing module in the 3rd type photoelectrical coupler
The output end DGND pins connection digital circuit of light emitting diode connects in the pin connection of member, the 3rd type photoelectrical coupler
Ground terminal；Colelctor electrode PZ pins one pull-up resistor R151 of series connection of phototriode in the 3rd type photoelectrical coupler, so
It is connected afterwards with the pin of excitation chain, the emitter stage AGND connections simulation of phototriode in the 3rd type photoelectrical coupler
Circuit ground end.
It should be noted that setting+5V exemplary in Fig. 3 is the operating voltage of channel selection circuit；+ 3.3V is processing
The operating voltage of module；+ 5V is the operating voltage of excitation chain.
Fig. 4 be the utility model embodiment two provide a kind of power isolation module physical circuit figure, the power supply every
Including isolated from power chip U12, the isolated from power chip U12 from module 32 includes positive voltage output end+5V pins, negative voltage
Output end -5V pins, analog circuit earth terminal AGND pins, target voltage input Vin+ pins, device ground end VIN- pipes
Pin；
Wherein, the positive voltage output end+5V pins and the negative voltage output end -5V pins respectively with the collection
The different pins connection of module, analog circuit earth terminal AGND pins connection analog circuit earth terminal AGND；The target voltage
Input Vin+ pins are connected with the pin of the main power source, device ground end VIN- pins connection common ground GND.
It should be noted that due to often there is the power frequency of powerful device work, electromagnetic radiation or civil power to do around foundation ditch
Disturb, the power supply in original distribution system can be interfered, especially analog circuit poor anti jamming capability, thus by increase every
From power supply chip, the working power of artificial circuit part in collector can be isolated from original distribution system.
Fig. 5 is a kind of physical circuit figure for channel selection circuit that the utility model embodiment two is provided, the passage choosing
Selecting circuit 11 includes channel selecting chip U8；The channel selecting chip U8 includes control signal input A0, A1 and A2 pin,
Public input COM pins；Wherein, control signal input A0, A1 and A2 pin respectively with the photoelectric isolation module
Colelctor electrode PIC0, PIC1 and PIC2 pin connection of the phototriode of first kind photoelectrical coupler 41 in 40；It is described
Public input COM pins are connected with the pin of the excitation chain 13 and the pin of the selective frequency amplifier circuit 12.
The channel selecting chip U8 also includes positive voltage input V+ pins and negative voltage input V- pins；It is described just
Voltage input end V+ pins are connected with the positive voltage output end+5V pins of the isolated from power chip U12；The negative voltage input
End V- pins are connected with the negative voltage output end -5V pins of the isolated from power chip U12；GND pins connection analog circuit connects
Ground terminal.
The channel selecting chip U8 is connect by control signal input A0, A1 and A2 pin (three passages switch pin)
The control signal of processing unit in the processing module is received, is managed further according to the control signal control public input COM
Pin is switched to the NO1 that is connected with eight sensors to NO8 pins respectively, realizes the switching of signalling channel.Lead to for different
Road, there is provided corresponding globally unique ID, by ID, we can distinguish different passages and different collectors.
A kind of pit retaining monitoring collector that the utility model embodiment is provided, by the collection and elimination that control multichannel
Human error and environmental disturbances in gatherer process, it is possible to achieve high efficiency and the high data monitoring of precision, it is simple to operate, resist dry
Disturb ability strong, and without survey crew's on-site land survey, it is ensured that the personal safety of survey crew.
Embodiment three
Referring to Fig. 6, a kind of overall structure block diagram of the pit retaining monitoring system provided for the utility model embodiment three, should
System includes pit retaining monitoring collector M2 and the multiple sensor M1 in foundation ditch that the utility model any embodiment is provided.
Because the pit retaining monitoring system described in the utility model embodiment includes the pit retaining monitoring collector described in above-described embodiment, its skill
Art principle and the technique effect produced are similar with above-mentioned pit retaining monitoring collector, therefore possess same with above-mentioned pit retaining monitoring collector
The beneficial effect of sample.The multiple sensor is positioned in foundation ditch scene, and survey crew is logical using the pit retaining monitoring collector
Cross wired or wireless communication mode to be connected with the multiple sensor, realize the changeable remote pit retaining monitoring of multichannel, then
Monitoring result data are sent into the whole monitoring process of external bus by wired or wireless communication mode, due to survey crew not
Participate in the collection of Monitoring Data and the calculating of monitoring result, it is possible to achieve efficient data monitoring, it is to avoid due to manual note
The error that record or manual conversion cause, it is ensured that the personal safety of survey crew, and it is simple to operate, precision is high, antijamming capability
By force.
It should be noted that the utility model embodiment, which provides pit retaining monitoring system, can also include other for supporting base
The circuit and device of monitoring system normal work are cheated, such as can also include external bus M3 and external power source signal wire M4.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although pass through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and scope of the present utility model is by appended
Right determine.
Claims (10)
1. a kind of pit retaining monitoring collector, it is characterised in that including：Acquisition module, processing module and power module；
Wherein, the acquisition module of the pit retaining monitoring collector is connected with multiple sensors in foundation ditch；
The processing module is used to receive acquisition instructions generation control signal, and sends to the acquisition module；
The acquisition module is used to produce sensor described in foundation ditch corresponding one pumping signal according to the control signal, and
Gather the detection signal of the sensor；
The processing module is additionally operable to receive the detection signal that the acquisition module is sent, and handles generation foundation ditch parameter letter
Number；
It is that the acquisition module and the processing module provide power supply signal that the power module, which is used for,.
2. pit retaining monitoring collector according to claim 1, it is characterised in that the acquisition module includes：Channel selecting
Circuit, selective frequency amplifier circuit and excitation chain；
The channel selection circuit is used to control the selective frequency amplifier circuit and excitation chain and base according to the control signal
The corresponding sensor connection in hole；
The excitation chain is used for the string wire starting of oscillation for the sensor being attached thereto；
The selective frequency amplifier circuit is used for the detection signal produced by the string wire starting of oscillation for the sensor being attached thereto
It is amplified filtering process.
3. pit retaining monitoring collector according to claim 2, it is characterised in that also include：
Photoelectric isolation module, the photoelectric isolation module respectively with the channel selection circuit, selective frequency amplifier circuit, described
Excitation chain and processing module connection, for the control signal and the detection signal to be carried out into electrical isolation.
4. pit retaining monitoring collector according to claim 3, it is characterised in that the photoelectric isolation module includes multiple the
One type photoelectrical coupler, a Second Type photoelectrical coupler and one the 3rd type photoelectrical coupler；The first kind light
Electric coupler, Second Type photoelectrical coupler and the 3rd type light thermocouple include Light-Emitting Diode, phototriode and on
Pull-up resistor；
Wherein, the input of the light emitting diode in the first kind photoelectrical coupler is connected with the processing module；
The output end of the light emitting diode in the first kind photoelectrical coupler is connected with digital circuit ground end；Described first
The emitter stage of the phototriode in type photoelectrical coupler is connected with analog circuit earth terminal；The first kind photoelectricity
Described pull-up resistor one end and the colelctor electrode of the phototriode in the first kind photoelectrical coupler in coupler
Connection；The other end of the pull-up resistor in the first kind photoelectrical coupler is connected with the channel selection circuit；
The input of the light emitting diode in the Second Type photoelectrical coupler is connected with the selective frequency amplifier circuit；Institute
The output end for stating the light emitting diode in Second Type photoelectrical coupler is connected with analog circuit earth terminal；The Equations of The Second Kind
The emitter stage of the phototriode in type photoelectrical coupler is connected with digital circuit ground end；The Second Type photoelectricity coupling
Described pull-up resistor one end and the colelctor electrode of the phototriode in the Second Type photoelectrical coupler in clutch connect
Connect；The other end of the pull-up resistor in the Second Type photoelectrical coupler is connected with the processing module；
The input of the light emitting diode in the 3rd type photoelectrical coupler is connected with the processing module；Described
The output end of the light emitting diode in three type photoelectrical couplers is connected with digital circuit ground end；3rd type light
The emitter stage of the phototriode in electric coupler is connected with analog circuit earth terminal；The 3rd type photoelectrical coupler
In described pull-up resistor one end be connected with the colelctor electrode of the phototriode in the 3rd type photoelectrical coupler；Institute
The other end for stating the pull-up resistor in the 3rd type photoelectrical coupler is connected with the excitation chain.
5. pit retaining monitoring collector according to claim 1, it is characterised in that the power module includes：Main power source and
Power isolation module；
The main power source is connected with external power source signal wire, the power isolation module and the processing module respectively；
The power isolation module is also connected with the acquisition module, for power supply signal and the outside for providing the main power source
Power supply signal is isolated.
6. pit retaining monitoring collector according to claim 5, it is characterised in that the power isolation module include power supply every
Off-chip piece, the isolated from power chip includes positive voltage output end, negative voltage output end, analog circuit earth terminal, target voltage
Input, device ground end；
Wherein, the positive voltage output end is connected with the acquisition module；
The negative voltage output end is connected with the acquisition module；
The target voltage input is connected with the main power source.
7. pit retaining monitoring collector according to claim 1, it is characterised in that the processing module includes：
Processing unit, interface unit, memory cell and digital power；
The processing unit is used to receive the detection signal that the acquisition module is sent, and handles generation foundation ditch parameter letter
Number；
The interface unit is connected with external bus, for the foundation ditch parameter signal to be sent to the transmission of the acquisition instructions
Side；
The memory cell, for storing the foundation ditch parameter signal；
The digital power is connected with the processing unit, the interface unit and the memory cell respectively, for for institute
State processing unit, the interface unit and the memory cell and operating voltage is provided.
8. pit retaining monitoring collector according to claim 4, it is characterised in that the channel selection circuit is selected including passage
Select chip；The channel selecting chip includes control signal input, public input；
Wherein, the control signal input and described photosensitive three of first kind photoelectrical coupler in the photoelectric isolation module
The colelctor electrode connection of pole pipe；
The public input is connected with the excitation chain, the selective frequency amplifier circuit.
9. pit retaining monitoring collector according to claim 1, it is characterised in that the detection signal includes power frequency
Value, the foundation ditch parameter signal includes support shaft force value.
10. a kind of pit retaining monitoring system, it is characterised in that including：
Pit retaining monitoring collector any one of claim 1-9 and multiple sensors in foundation ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467299.2U CN206396813U (en) | 2016-12-29 | 2016-12-29 | A kind of pit retaining monitoring collector and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467299.2U CN206396813U (en) | 2016-12-29 | 2016-12-29 | A kind of pit retaining monitoring collector and system |
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| CN206396813U true CN206396813U (en) | 2017-08-11 |
Family
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| CN201621467299.2U Active CN206396813U (en) | 2016-12-29 | 2016-12-29 | A kind of pit retaining monitoring collector and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759544A (en) * | 2016-12-29 | 2017-05-31 | 广东荣骏建设工程检测股份有限公司 | A kind of pit retaining monitoring collector and system |
| CN113630665A (en) * | 2021-08-02 | 2021-11-09 | 东北大学 | Sensor layout system for mine and control method thereof |
-
2016
- 2016-12-29 CN CN201621467299.2U patent/CN206396813U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759544A (en) * | 2016-12-29 | 2017-05-31 | 广东荣骏建设工程检测股份有限公司 | A kind of pit retaining monitoring collector and system |
| CN106759544B (en) * | 2016-12-29 | 2019-07-30 | 广东荣骏建设工程检测股份有限公司 | A kind of pit retaining monitoring collector and system |
| CN113630665A (en) * | 2021-08-02 | 2021-11-09 | 东北大学 | Sensor layout system for mine and control method thereof |
| CN113630665B (en) * | 2021-08-02 | 2023-03-21 | 东北大学 | Sensor layout system for mine and control method thereof |
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