CN109792961A - A kind of channel devices and monitoring method - Google Patents
A kind of channel devices and monitoring method Download PDFInfo
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- CN109792961A CN109792961A CN201910066911.7A CN201910066911A CN109792961A CN 109792961 A CN109792961 A CN 109792961A CN 201910066911 A CN201910066911 A CN 201910066911A CN 109792961 A CN109792961 A CN 109792961A
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Abstract
A kind of channel devices and monitoring method provided by the present application, belong to intelligent feeding facility field.The hopper includes: conductive hopper, oscillating circuit, signal conversion circuit and processor, and conductive hopper is for containing water material mixture；The input terminal of oscillating circuit is electrically connected with conductive hopper, and the output end of oscillating circuit is electrically connected with the input terminal of signal conversion circuit；The output end of signal conversion circuit is electrically connected with processor；Oscillating circuit is used to acquire the capacitor between conductive hopper and ground, and exports periodic signal corresponding with capacitor；Signal conversion circuit is exported for periodic signal to be converted into the detectable voltage signal of processor to processor；Processor is used to determine the splendid attire situation of conductive hopper according to voltage signal.To identify conductive hopper with the presence or absence of water material mixture by way of acquiring the capacitor between the conductive hopper and ground, moreover it is possible to which identification is close whether there is or not feeding animal or is searching for food.
Description
Technical field
This application involves intelligent feeding facility fields, in particular to a kind of channel devices and monitoring method.
Background technique
Capacitance sensor is a kind of detection metal or whether nonmetallic substance close or contact, it is applied automatic
Change, the every field of artificial intelligence, technology is also more and more mature.Although also being passed at present using capacitor on intelligent feeding equipment
Sensor detects material or living animal, but sensor investigative range is limited, is difficult to accomplish that 1 sensor realizes that diversification is more
Angle detection needs to install multiple probes to improve detection accuracy, to will lead to equipment manufacturing costs increase, also further
Reduce equipment dependability.
Summary of the invention
In view of this, a kind of channel devices provided by the embodiments of the present application and monitoring method.
In a first aspect, a kind of channel devices provided by the embodiments of the present application, comprising: conductive hopper, oscillating circuit, signal become
Change circuit and processor, wherein the conduction hopper is for containing water material mixture；The input terminal of the oscillating circuit with it is described
Conductive hopper electrical connection, the output end of the oscillating circuit are electrically connected with the input terminal of the signal conversion circuit；The signal
The output end of translation circuit is electrically connected with the processor；The oscillating circuit is for acquiring between the conductive hopper and ground
Capacitor, and export corresponding with capacitor periodic signal；The signal conversion circuit is for converting the periodic signal
It exports at the detectable voltage signal of the processor to the processor；The processor is used for true according to the voltage signal
The splendid attire situation of the fixed conductive hopper.
During above-mentioned realization, by setting conductive hopper for hopper, and by described in oscillating circuit acquisition
Capacitor between conductive hopper and ground, and export periodic signal corresponding with the capacitor；The signal conversion circuit is by institute
It states periodic signal and is converted into the detectable voltage signal of the processor and export to the processor；The processor is according to
Voltage signal determines the splendid attire situation of the conductive hopper.To realize by acquiring the electricity between the conductive hopper and ground
The mode of appearance identifies conductive hopper with the presence or absence of water material mixture, moreover it is possible to which identification is close whether there is or not feeding animal or adopting
Food, and then overcome caused by needs existing in the prior art are detected using additional capacitance sensor because of sensor
Investigative range is limited, so the technical problem that manufacturing cost is high and equipment dependability is low, conductive hopper can be identified by realizing
With the presence or absence of water material mixture, moreover it is possible to identify that whether there is or not the technical effects that feeding animal is close or is searching for food, and also effectively
The reliability of equipment is improved, while also making channel devices simpler and durable.
With reference to first aspect, the embodiment of the present application provides the first possible embodiment of first aspect, the vibration
Swinging circuit includes: oscillation circuit, and one end of the oscillation circuit is connect with the conductive hopper, the other end of the oscillation circuit
It is electrically connected with the input terminal of the signal conversion circuit.
The possible embodiment of with reference to first aspect the first, the embodiment of the present application provide second of first aspect
Possible embodiment, the oscillating circuit further include: electric source filter circuit, the first end of the electric source filter circuit with it is described
The power supply of oscillation circuit connects, the second end ground connection of the electric source filter circuit.
During above-mentioned realization, power supply VCC is filtered by electric source filter circuit, oscillation electricity can be made
Periodic signal caused by road is more accurate, and then reduces error.
Any one in the possible embodiment of with reference to first aspect the first and second of possible embodiment
Embodiment, the embodiment of the present application provide the third possible embodiment of first aspect, the oscillating circuit further include:
The first end of 5th capacitor, the 5th capacitor is connect with the oscillation circuit, the second end of the 5th capacitor and the letter
The input terminal electrical connection of number translation circuit.
With reference to first aspect, the embodiment of the present application provides the 4th kind of possible embodiment of first aspect, the letter
Number translation circuit includes: operational amplification circuit and amplitude limiter circuit, the output end of the operational amplification circuit and the amplitude limiter circuit
First end connection, the operational amplification circuit and the amplitude limiter circuit are connected to the processor.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the present application provide the 5th kind of first aspect
Possible embodiment, the operational amplification circuit include: operational amplifier, the 6th resistance, the 7th resistance, the 8th resistance and
The first end of nine resistance, the 6th resistance is connect with the oscillating circuit, the second end and the operation of the 6th resistance
The positive input terminal of amplifier connects, the first end ground connection of the 7th resistance, the second end and the operation of the 7th resistance
The negative input end of amplifier connects；The first end of 8th resistance is connect with the output end of the operational amplifier, and described
The second end of eight resistance is connect by power supply with the positive power source terminal of the operational amplifier, the negative power end of the operational amplifier
Ground connection, the first end of the 9th resistance connect with the output end of the operational amplifier, the second end of the 9th resistance and
The first end of the amplitude limiter circuit connects.
With reference to first aspect, the embodiment of the present application provides the 6th kind of possible embodiment of first aspect, the place
Managing device includes signal processing module, filter module and judgment module；The input terminal of the signal processing module and the signal become
The output end electrical connection of circuit is changed, the output end of the signal processing module is electrically connected with the input terminal of the filter module, institute
The output end for stating filter module is electrically connected with the judgment module；The signal processing module is used for the signal conversion circuit
The voltage signal inputted amplifies processing, obtains first voltage signal, and the first voltage signal is input to
The filter module；The filter module filters the first voltage signal for receiving the first voltage signal
Wave processing obtains second voltage signal, and the second voltage signal is inputted the judgment module；The judgment module is used for
The second voltage signal is received, determines signal frequency corresponding to the second voltage signal；It is true according to the signal frequency
The dielectric constant of the fixed conductive hopper；Determine whether the conductive hopper is in empty slot state or has according to the dielectric constant
Material state has animal fed conditions.
During above-mentioned realization, by the way that the voltage signal is amplified processing, first voltage signal is obtained；By institute
It states first voltage signal to be filtered, obtains second voltage signal；Determine signal corresponding to the second voltage signal
Frequency；The dielectric constant of the conductive hopper is determined according to the signal frequency；The conduction is determined according to the dielectric constant
Whether hopper is in empty slot state or has material state or have animal fed conditions, so that the splendid attire of obtained conduction hopper
Situation is more accurate.
Second aspect, a kind of monitoring method provided by the embodiments of the present application, which comprises receive and be based on for characterizing
Voltage signal corresponding to periodic signal caused by capacitor between conductive hopper and ground；It is determined according to the voltage signal
The splendid attire situation of the conduction hopper.
During above-mentioned realization, by receiving for characterizing based on caused by the capacitor between conductive hopper and ground
The voltage signal of periodic signal determines the splendid attire situation of the conductive hopper according to the voltage signal.To realize by adopting
Collect the mode of the capacitor between the conductive hopper and ground to identify conductive hopper with the presence or absence of water material mixture, moreover it is possible to identify
Whether there is or not feeding animal is close or searching for food, and then overcomes and existing in the prior art need to detect using capacitance sensor
The technology that sensor investigative range is limited caused by material or living animal, manufacturing cost is high and equipment dependability is low is asked
Topic, realizing can identify that conductive hopper whether there is water material mixture, and is also able to achieve and identifies that whether there is or not feeding animal is close
Or the technical effect searched for food, and the reliability of channel devices is also effectively increased, while also making channel devices more
Add simple and durable.
In conjunction with second aspect, the embodiment of the present application provides the first possible embodiment of second aspect, and described
The splendid attire situation of the conductive hopper is determined according to the voltage signal, comprising: the voltage signal is amplified into processing, is obtained
First voltage signal；The first voltage signal is filtered, second voltage signal is obtained；Determine the second voltage
The signal frequency corresponding to signal；The dielectric constant of the conductive hopper is determined according to the signal frequency；According to described
Dielectric constant determines whether the conductive hopper is in empty slot state or has material state or have animal fed conditions.
During above-mentioned realization, by the way that the voltage signal is amplified processing, first voltage signal is obtained；By institute
It states first voltage signal to be filtered, obtains second voltage signal；It determines described corresponding to the second voltage signal
Signal frequency；The dielectric constant of the conductive hopper is determined according to the signal frequency；According to dielectric constant determination
Whether conductive hopper is in empty slot state or has material state or have animal fed conditions, so that obtained conduction hopper
It is more accurate to contain situation.
In conjunction with the first possible embodiment of second aspect, the embodiment of the present application provides second of second aspect
Possible embodiment, it is described to determine whether the conductive hopper is in empty slot state or has material state according to the dielectric constant
Or there are animal fed conditions, comprising: determine the numerical value of the dielectric constant；If the numerical value is equal to the first preset threshold, characterization
The conduction hopper is in empty slot state；If the numerical value is located in the first preset range, characterizing the conductive hopper and being in has
Material state；If the numerical value is located in the second preset range, characterizing the conductive hopper and being in has animal fed conditions.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram for the channel devices that the application first embodiment provides；
Fig. 2 is the structural schematic diagram of the conductive hopper in channel devices shown in FIG. 1；
Fig. 3 is the functional block diagram of the oscillating circuit in channel devices shown in FIG. 1；
Fig. 4 is the circuit diagram of oscillating circuit shown in Fig. 3；
Fig. 5 is the functional block diagram of the signal conversion circuit in channel devices shown in FIG. 1；
Fig. 6 is the circuit diagram of signal conversion circuit shown in fig. 5；
Fig. 7 is the functional block diagram of the processor in channel devices shown in FIG. 1；
Fig. 8 is the schematic diagram that the dielectric coefficient in channel devices shown in FIG. 1 changes over time；
Fig. 9 is the flow chart for the monitoring method that the application second embodiment provides.
Icon: 100- channel devices；110- conduction hopper；120- oscillating circuit；130- signal conversion circuit；
140- processor；121- oscillation circuit；122- electric source filter circuit；131- operational amplification circuit；132- amplitude limiter circuit；
141- signal processing module；142- filter module；143- judgment module.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is described.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
First embodiment
Fig. 1 to Fig. 8 is please referred to, is the schematic diagram of channel devices provided by the embodiments of the present application, the channel devices 100 are wrapped
It includes: conductive hopper 110, oscillating circuit 120, signal conversion circuit 130 and processor 140.
Optionally, the conductive hopper 110 is arranged on ground and not with ground face contact, such as can pass through a bracket
Conductive hopper 110 is fixed so that conductive hopper 110 not with ground face contact.The conduction hopper 110 is for containing water material
Mixture, so that animal (for example, the animals such as pig, sheep, ox) searches for food.
In the embodiment of the present application, conductive hopper 110 and ground collectively form a capacitor, the conduction hopper 110 with
Ground is respectively a pole plate of the capacitor.
It, can be by notch CK face sky setting (the i.e. conductive hopper of the conductive hopper 110 as a kind of implement scene
110 is parallel to the ground), in order to animal feed.
Certainly, in actual use, it is also possible to the direction of the notch CK of conductive hopper 110 with ground level at less than 90
The acute angle of degree is arranged.For example, can be set to 45 degree of directions.Here, being not especially limited.
Optionally, the conductive hopper 110 is made of metal material, for example, it may be copper is at being also possible to aluminium, iron
Equal common metals are made, and being also possible to alloy material is made, for example, the conduction hopper 110 can be aluminium alloy and be made, such as aluminium
Magnesium silicon, magnalium, magnalium iron, aluminium zirconium etc..
Certainly, in actual use, the conductive hopper 110 can also be that conductivity ceramics is made.Here, not limiting specifically
It is fixed.
Optionally, the conductive hopper 110 can be cuboid, can also be the shapes such as square or cylindrical body.
Optionally, the depth of the notch CK of the conductive hopper 110 can be configured according to user's specific requirements,
This, is not especially limited.
Optionally, the shape of the notch CK of the conductive hopper 110 can be rectangle, round either other shapes.Example
Such as, diamond shape or trapezoidal etc..
In the embodiment of the present application, a capacitor is formed between the conductive hopper 110 and ground.The variation of the capacitor with
The change of the amount of water material mixture in conductive hopper 110 and change.
Optionally, the input terminal of the oscillating circuit 120 is electrically connected with the conductive hopper 110, the oscillating circuit 120
Output end be electrically connected with the input terminal of the signal conversion circuit 130.
Optionally, the oscillating circuit 120 is used to acquire the capacitor between the conductive hopper 110 and ground, and exports
Periodic signal corresponding with the capacitor is to the signal conversion circuit 130.
As an implementation, described to vibrate back as shown in figure 3, the oscillating circuit 120 includes: oscillation circuit 121
The one end on road 121 is connect with the conductive hopper 110, the other end of the oscillation circuit 121 and the signal conversion circuit 130
Input terminal electrical connection.
Optionally, the oscillation circuit 121 is used to acquire capacitor when the conductive hopper 110 is grounded, and output and institute
The corresponding periodic signal of capacitor is stated to the signal conversion circuit 130.
Optionally, as shown in figure 4, the oscillation circuit 121 includes triode Q1, first capacitor C1, the second capacitor C2, electricity
Feel L, first resistor R1, second resistance R2,3rd resistor R3, the base stage of the triode Q1 and the first of the first capacitor C1
End, the first resistor R1 first end connect with the first end of the second resistance R2, the collector of the triode Q1 and
The conduction hopper 110 connects, and the emitter of the triode Q1 is connect with the first end of the 3rd resistor R3, and described first
The second end of capacitor C1 is connect with the second end of the second end of the 3rd resistor R3 and the second resistance R2 respectively, and described
The first end of one capacitor C1 is connect with the first end of the first end of the first resistor R1 and the second resistance R2 respectively, described
The second end of first resistor R1 is connect with the first end of the inductance L, the collection of the second end of the inductance L and the triode Q1
Electrode and the conductive hopper 110 connect a connection, first end of the second end of the inductance L also with the second capacitor C2 altogether
Connection, the second end of the second capacitor C2 are total to the first end of the emitter of the triode Q1 and the 3rd resistor R3
Even point connection.The emitter of the triode Q1 and the 3rd resistor R3 connect altogether a little with the signal conversion circuit 130
Input terminal electrical connection.
Optionally, the oscillation circuit 121 further include: the 5th capacitor C5 and first node 1, the of the 5th capacitor C5
One end is connect with the second end of the second capacitor C2, and the second end of the 5th capacitor C5 is connect with first node 1, and described
One node 1 with the input terminal of the signal conversion circuit 130 for being electrically connected.
In the embodiment of the present application, it can effectively improve by the 5th capacitor C5 and be input to signal conversion circuit 130
Periodic signal stability.
Optionally, it refers again to shown in Fig. 3, the oscillating circuit 120 further include: electric source filter circuit 122, the power supply filter
The first end of wave circuit 122 is connect with the oscillation circuit 121, the second end ground connection of the electric source filter circuit 122.
In the embodiment of the present application, power supply VCC is filtered by electric source filter circuit 122, can to shake
It is more accurate to swing periodic signal caused by circuit 120, and then reduces error.
Optionally, the second capacitor C2 is variable capacitance.
In the embodiment of the present application, by the way that the second capacitor C2 is set as variable capacitance, and then convenient for debugging the conductive material
Capacitor when slot 110 is grounded.And then the acquisition accuracy rate of capacitor when can effectively improve to conductive hopper 110 ground connection.
Certainly, in actual use, the second capacitor C2 is also possible to fixed capacity.
Optionally, it referring again to shown in Fig. 4, electric source filter circuit 122 includes third capacitor C3 and the 4th capacitor C4, and described the
Three capacitor C3 are in parallel with the 4th capacitor C4, the first end of the first end of the third capacitor C3 and the 4th capacitor C4 with
The first end of the inductance L connects, and power supply VCC, the third capacitor are connected between the third capacitor C3 and the inductance L
The second end of C3 and the second end of the 4th capacitor C4 ground connection.
Certainly, in actual use, electric source filter circuit 122 can also be other circuits, for example, it is also possible to include multiple
Capacitor, each capacitor are in parallel with third capacitor C3 and the 4th capacitor C4 respectively.Quantity for capacitor is not here, limit specifically
System.
In the embodiment of the present application, the signal conversion circuit 130 is used for the week for inputting the oscillating circuit 120
Phase signal is converted into the detectable voltage signal of processor and exports to the processor 140.
Optionally, the signal conversion circuit 130 includes: operational amplification circuit 131 and amplitude limiter circuit 132.
Optionally, the input terminal of the operational amplification circuit 131 is connect with the oscillating circuit 120, the operation amplifier
The output end of circuit 131 is connect with the first end of the amplitude limiter circuit 132, the second end ground connection of the amplitude limiter circuit 132, described
Operational amplification circuit 131 and the amplitude limiter circuit 132 are connect with the processor 140.
Optionally, the operational amplification circuit 131 is used to the periodic signal being converted into the detectable electricity of processor 140
Press signal.The amplitude limiter circuit 132 is used to limit the amplitude exported to the voltage signal of the processor 140.
As an implementation, the operational amplification circuit 131 includes: operational amplifier U, the 6th resistance R6, the 7th
The first end of resistance R7, the 8th resistance R8 and the 9th resistance R9, the 6th resistance R6 are connect with the oscillating circuit 110, institute
The second end for stating the 6th resistance R6 is connect with the positive input terminal of the operational amplifier U, the first termination of the 7th resistance R7
The second end on ground, the 7th resistance R7 is connect with the negative input end of the operational amplifier U；The first of the 8th resistance R8
End is connect with the output end of the operational amplifier U, and the second end of the 8th resistance R8 is put by power supply VCC with the operation
The positive power source terminal connection of big device U, the negative power end ground connection of the operational amplifier U, the first end of the 9th resistance R9 and institute
The output end connection of operational amplifier U is stated, the second end of the 9th resistance R9 and the first end of the amplitude limiter circuit 132 connect
It connects.
As an implementation, the amplitude limiter circuit 132 include diode D1, the cathode of the diode D1 with it is described
The output end of operational amplifier U connects, the plus earth of the diode D1, the output end of the operational amplifier U and described
The total contact of the cathode of diode D1 is connect with the processor 140.
Optionally, the diode D1 is zener diode.
Certainly, in actual use, the amplitude limiter circuit 132 further includes the tenth resistance R10, one end of the tenth resistance R10
Ground connection, the other end of the tenth resistance R10 are connect with the anode of the diode D1.
Certainly, in actual use, the amplitude limiter circuit 132 can also include more components.For example, it is also possible to include
Multiple resistance or capacitor etc..
Optionally, when the voltage of the input signal of the signal conversion circuit 130 is greater than 0 volt, the signal transformation
The output voltage of circuit 130 is the voltage of voltage regulation of the diode D1；When the electricity of the input signal of the signal conversion circuit 130
When pressure is equal to 0 volt, the output voltage of the signal conversion circuit 130 is 0 volt.
Optionally, the total contact of the cathode of the output end of the operational amplifier U and the diode D1 and the processing
The I/O port of device 140 connects.For example, the total contact of the cathode of the output end of the operational amplifier U and the diode D1 with
The port p0_19 connection in the I/O port of the processor 140.
In the embodiment of the present application, the processor 140 is used to determine the conductive hopper 110 according to the voltage signal
Splendid attire situation.
Optionally, it contains situation and includes but is not limited to whether the conductive hopper 110 is in empty slot state or has material state
Or there are animal fed conditions.
Optionally, processor 140 may be a kind of IC chip, the processing capacity with signal.Above-mentioned processing
Device 140 can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc.；Can also be digital signal processor (Digital Signal Processor,
DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate
Array (Field-Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystal
Pipe logical device, discrete hardware components.It may be implemented or execute the disclosed each method in the embodiment of the present application, step and patrol
Collect block diagram.General processor can be microprocessor or the processor is also possible to any conventional processor etc..
As an implementation, the processor 140 includes signal processing module 141, filter module 142 and judges mould
Block 143.
Wherein, the input terminal of the signal processing module 141 is electrically connected with the output end of the signal conversion circuit 130,
The output end of the signal processing module 141 is electrically connected with the input terminal of the filter module 142, the filter module 142
Output end is electrically connected with the judgment module 143.
Optionally, the voltage that the signal processing module 141 is used to be inputted the signal conversion circuit 130 is believed
Number processing is amplified, obtains first voltage signal, and the first voltage signal is input to the filter module 142.
The filter module 142 is filtered the first voltage signal for receiving the first voltage signal
Processing obtains second voltage signal, and the second voltage signal is inputted the judgment module 143.
The judgment module 143 determines corresponding to the second voltage signal for receiving the second voltage signal
The signal frequency；The dielectric constant of the conductive hopper 110 is determined according to the signal frequency；It is true according to the dielectric constant
Whether the fixed conductive hopper 110 is in empty slot state or has material state or have animal fed conditions.
Optionally, signal frequency:F characterizes the conduction for characterizing the signal frequency, the ε
The dielectric constant of hopper, the value of the L characterization inductance L, the d characterize conductive the distance between hopper 110 and ground level,
The S characterizes the surface area of conductive hopper 110, and the π characterizes pi.
Optionally, the judgment module 143 is also used to determine the numerical value of the dielectric constant；If the numerical value is equal to first
Preset threshold characterizes the conductive hopper 110 and is in empty slot state；If the numerical value is located in the first preset range, institute is characterized
Stating conductive hopper 110 and being in has material state；If the numerical value is located in the second preset range, characterize at the conductive hopper 110
In there is animal fed conditions.
Optionally, first preset threshold can be a fixed value, be also possible to a numberical range.Here, not making to have
Body limits.
Optionally, the selection of first preset threshold can be configured according to user demand, can also be according to leading
The dielectric constant of electrical materials and appliances slot 110 is configured.
Certainly, in actual use, first preset threshold can also be arranged according to the environment of hopper.
Optionally, the selection of the first preset range can be configured according to user demand.It can also be according to conductive material
The capacity of water material mixture in slot 110 or the dielectric constant of water material mixture are configured.For example, first preset range
Minimum value to can be the dielectric corresponding to (not having water material mixture in i.e. conductive hopper 110) when conductive hopper 110 is empty normal
Number, it is normal that the maximum value of first preset range can be dielectric corresponding when filling with water material mixture in conductive hopper 110
Number.
Optionally, the selection of the second preset range can be configured according to user demand.
Optionally it is determined that the numerical value is located at the second preset range, comprising: acquire multiple moment in preset time period
Dielectric constant, it is assumed that obtain dielectric constant 1 and dielectric constant 2, determine being averaged for dielectric constant 1 and the absolute value of dielectric constant 2
Whether value is in the second preset range, if so, having decided that animal is searching for food.
For example, as shown in figure 8, in a preset time range, if dielectric constant is kept not in the first preset threshold
Become, then determines that the conductive hopper 110 is in empty slot state.If dielectric constant is in the first preset range and the second preset range
Between fluctuate, then determine that the conductive hopper 110 is in and has animal feeding.If it exceeds preset time, dielectric constant according to
When so in the second preset range, then filter module 142 temporarily shielding can have animal section to detect current dielectric constant
Whether corresponding state is in empty slot or has material state, and sends the instruction that feeds intake to feeding apparatus so that feeding apparatus into
Row feeds intake.And then it avoids not feeding intake to feeding animal in due course when empty slot.
Channel devices provided by the embodiments of the present application by setting conductive hopper 110 for hopper, and pass through the oscillation
Circuit 120 acquires the capacitor between the conductive hopper 110 and ground, and exports periodic signal corresponding with the capacitor；Institute
Signal conversion circuit 130 is stated the periodic signal is converted into the detectable voltage signal of processor 140 and is exported to the place
Manage device 140；The processor 140 determines the splendid attire situation of the conductive hopper 110 according to the voltage signal.It is logical to realize
It crosses and acquires the mode of the capacitor between the conductive hopper 110 and ground to identify that conductive hopper 110 is mixed with the presence or absence of water material
Object, moreover it is possible to which identification is close whether there is or not feeding animal or is searching for food, and then overcomes existing in the prior art need using volume
Outer capacitance sensor detected caused by because sensor investigative range is limited, so manufacturing cost is high and equipment is reliable
Property low technical problem, realizing can identify that conductive hopper 110 with the presence or absence of water material mixture, and is also able to achieve identification and has
Without the technical effect that feeding animal is close or is searching for food, and the reliability of channel devices 100 is also effectively increased, simultaneously
Also make channel devices 100 simpler and durable.
Second embodiment
Referring to Fig. 9, being the flow chart of monitoring method provided by the embodiments of the present application, the method is applied to first and implements
The processor 140 in channel devices that example provides.Detailed process shown in Fig. 9 will be described in detail below.
Step S101, it is right based on the institute of periodic signal caused by the capacitor between conductive hopper and ground for characterizing to receive
The voltage signal answered.
Step S101's is specifically embodiment, first embodiment is please referred to, here, repeating no more.
Step S102 determines the splendid attire situation of the conductive hopper according to the voltage signal.
As an implementation, step S102 includes: that the voltage signal is amplified processing, obtains first voltage
Signal；The first voltage signal is filtered, second voltage signal is obtained；Determine that the second voltage signal institute is right
The signal frequency answered；The dielectric constant of the conductive hopper is determined according to the signal frequency；According to the dielectric constant
Determine whether the conductive hopper is in empty slot state or has material state or there are animal fed conditions.
Optionally, capacitance equation meets: C=ε s/d, the ε characterize the dielectric constant of the conductive hopper；The d
Conductive the distance between hopper and ground level are characterized, the S characterizes the surface area of conductive hopper；C characterizes conductive hopper and ground
Between capacitor.
Optionally, signal frequency formula meets:The f characterizes the signal frequency, the L characterization
The value of inductance L, the C characterize the capacitor between conductive hopper and ground.
Optionally, the dielectric constant of the conductive hopper is determined according to the signal frequency, comprising: according to capacitance equation and
Signal frequency formula determines the dielectric constant of the conductive hopper.
Optionally, dielectric constant meets:Wherein, the f characterizes the signal frequency, the ε table
Levy the dielectric constant of the conductive hopper；The value of the L characterization inductance L, the d are characterized between conductive hopper and ground level
Distance, the S characterizes the surface area of conductive hopper, and the π characterizes pi.
Optionally, described to determine whether the conductive hopper is in empty slot state or has material state according to the dielectric constant
Or there are animal fed conditions, comprising: determine the numerical value of the dielectric constant；If the numerical value is equal to the first preset threshold, characterization
The conduction hopper is in empty slot state；If the numerical value is located in the first preset range, characterizing the conductive hopper and being in has
Material state；If the numerical value is located in the second preset range, characterizing the conductive hopper and being in has animal fed conditions.
Monitoring method provided by the embodiment of the present application, by receiving for characterizing based between conductive hopper and ground
The voltage signal of periodic signal caused by capacitor determines the splendid attire situation of the conductive hopper according to the voltage signal.From
And it realizes by way of acquiring the capacitor between the conductive hopper and ground and identifies that conductive hopper is mixed with the presence or absence of water material
Close object, moreover it is possible to identification whether there is or not feeding animal is close or searching for food, and then overcome it is existing in the prior art need using
Sensor investigative range is limited, manufacturing cost is high and equipment can caused by capacitance sensor detection material or living animal
The technical problem low by property, realizing can identify that conductive hopper with the presence or absence of water material mixture, and is also able to achieve identification and has
Without the technical effect that feeding animal is close or is searching for food, and the reliability of channel devices is also effectively increased, simultaneously also
So that channel devices are simpler and durable.
Through the above description of the embodiments, those skilled in the art can be understood that the application can lead to
Hardware realization is crossed, the mode of necessary general hardware platform can also be added to realize by software, based on this understanding, this Shen
Technical solution please can be embodied in the form of software products, which can store in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are used so that a computer equipment (can be
Personal computer, server or network equipment etc.) execute each implement scene of the application method.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (10)
1. a kind of channel devices characterized by comprising conductive hopper, oscillating circuit, signal conversion circuit and processor,
In,
The conduction hopper is for containing water material mixture；
The input terminal of the oscillating circuit is electrically connected with the conductive hopper, and the output end of the oscillating circuit and the signal become
Change the input terminal electrical connection of circuit；
The output end of the signal conversion circuit is electrically connected with the processor；
The oscillating circuit is used to acquire the capacitor between the conductive hopper and ground, and exports week corresponding with the capacitor
Phase signal；
The signal conversion circuit be used for by the periodic signal be converted into the detectable voltage signal of the processor export to
The processor；
The processor is used to determine the splendid attire situation of the conductive hopper according to the voltage signal.
2. channel devices according to claim 1, which is characterized in that the oscillating circuit includes:
Oscillation circuit, one end of the oscillation circuit are connect with the conductive hopper, the other end of the oscillation circuit with it is described
The input terminal of signal conversion circuit is electrically connected.
3. channel devices according to claim 2, which is characterized in that the oscillating circuit further include: electric source filter circuit,
The first end of the electric source filter circuit is connect with the power supply of the oscillation circuit, the second termination of the electric source filter circuit
Ground.
4. channel devices according to claim 2 or 3, which is characterized in that the oscillating circuit further include: the 5th capacitor,
The first end of 5th capacitor is connect with the oscillation circuit, the second end of the 5th capacitor and the signal conversion circuit
Input terminal electrical connection.
5. channel devices according to claim 1, which is characterized in that the signal conversion circuit includes: operation amplifier electricity
Road and amplitude limiter circuit, the input terminal of the operational amplification circuit are connect with the oscillating circuit, the operational amplification circuit it is defeated
Outlet is connect with the first end of the amplitude limiter circuit, and the operational amplification circuit and the amplitude limiter circuit connect with the processor
It connects.
6. channel devices according to claim 5, which is characterized in that the operational amplification circuit include: operational amplifier,
The first end of 6th resistance, the 7th resistance, the 8th resistance and the 9th resistance, the 6th resistance is connect with the oscillating circuit,
The second end of 6th resistance is connect with the positive input terminal of the operational amplifier, the first end ground connection of the 7th resistance,
The second end of 7th resistance is connect with the negative input end of the operational amplifier；The first end of 8th resistance with it is described
The output end of operational amplifier connects, and the second end of the 8th resistance passes through the positive power source terminal of power supply and the operational amplifier
Connection, the negative power end ground connection of the operational amplifier, the first end of the 9th resistance and the output of the operational amplifier
End connection, the second end of the 9th resistance are connect with the first end of the amplitude limiter circuit.
7. channel devices according to claim 1, which is characterized in that the processor includes signal processing module, filtering
Module and judgment module；
The input terminal of the signal processing module is electrically connected with the output end of the signal conversion circuit, the signal processing module
Output end be electrically connected with the input terminal of the filter module, the output end of the filter module is electrically connected with the judgment module
It connects；
The voltage signal that the signal processing module is used to be inputted the signal conversion circuit amplifies processing, obtains
The filter module is input to first voltage signal, and by the first voltage signal；
The filter module is filtered the first voltage signal for receiving the first voltage signal, obtains
The judgment module is inputted to second voltage signal, and by the second voltage signal；
The judgment module determines the frequency of signal corresponding to the second voltage signal for receiving the second voltage signal
Rate；The dielectric constant of the conductive hopper is determined according to the signal frequency；The conductive material is determined according to the dielectric constant
Whether slot is in empty slot state or has material state or have animal fed conditions.
8. a kind of monitoring method, which is characterized in that the described method includes:
It receives for characterizing the voltage signal based on periodic signal caused by the capacitor between conductive hopper and ground；
The splendid attire situation of the conductive hopper is determined according to the voltage signal.
9. according to the method described in claim 8, it is characterized in that, described determine the conductive hopper according to the voltage signal
Splendid attire situation, comprising:
The voltage signal is amplified into processing, obtains first voltage signal；
The first voltage signal is filtered, second voltage signal is obtained；
Determine signal frequency corresponding to the second voltage signal；
The dielectric constant of the conductive hopper is determined according to the signal frequency；
Determine whether the conductive hopper is in empty slot state or has material state or have animal to feed shape according to the dielectric constant
State.
10. according to the method described in claim 9, it is characterized in that, described determine the conductive material according to the dielectric constant
Whether slot is in empty slot state or has material state or have animal fed conditions, comprising:
Determine the numerical value of the dielectric constant；
If the numerical value is equal to the first preset threshold, characterizes the conductive hopper and be in empty slot state；
If the numerical value is located in the first preset range, characterizing the conductive hopper and being in has material state；
If the numerical value is located in the second preset range, characterizing the conductive hopper and being in has animal fed conditions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910066911.7A CN109792961A (en) | 2019-01-23 | 2019-01-23 | A kind of channel devices and monitoring method |
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| CN201910066911.7A CN109792961A (en) | 2019-01-23 | 2019-01-23 | A kind of channel devices and monitoring method |
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Family
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Application publication date: 20190524 |