CN218724607U - Automatic control feeding device for material level detection of storage bin - Google Patents
Automatic control feeding device for material level detection of storage bin Download PDFInfo
- Publication number
- CN218724607U CN218724607U CN202221626886.7U CN202221626886U CN218724607U CN 218724607 U CN218724607 U CN 218724607U CN 202221626886 U CN202221626886 U CN 202221626886U CN 218724607 U CN218724607 U CN 218724607U
- Authority
- CN
- China
- Prior art keywords
- resistor
- operational amplifier
- capacitor
- microcontroller
- storage silo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a storage silo material level detection automatic control feedway, including weighing detection unit, microcontroller and the automatically controlled valve that sets up at the storage silo discharge gate, weighing detection unit includes the weighing sensor who is used for detecting material weight in the storage silo, the detected signal of weighing sensor sends into in the microcontroller after buffering noise reduction circuit, differential amplification filtering regulating circuit processing in proper order, the output of microcontroller is connected the control end of automatically controlled valve; the utility model discloses a set up the detecting element that weighs and come to handle the feed volume data signal in the storage silo, avoid noise fluctuation and outside clutter to disturb, promote the stability and the precision that the detected signal enlargies the processing, make the accurate reliability of storage silo automatic control feed, guarantee synthetic resin tile production quality.
Description
Technical Field
The utility model relates to a storage silo technical field especially relates to a storage silo material level detects automatic control feedway.
Background
The synthetic resin tile base material is made of PVC material, a layer of ASA film is thermally compounded on the surface, the ASA (acrylic ester-acrylonitrile-styrene copolymer) has good weather resistance, raw materials such AS ASA resin powder, AS resin powder, SMA resin powder, processing aids, anti-aging agents and the like are needed to be used in the preparation process of the ASA film, and in order to ensure the quality of the synthetic resin tile finished product, the raw material preparation process needs to be accurately controlled, so that strict requirements are imposed on the material level detection and feeding accuracy of the storage bin. In the feeding quantity control process, due to the fact that unevenness exists in the raw material blanking process, weighing detection signals are prone to generating noise fluctuation, meanwhile, common mode interference and external high-frequency interference generated in the signal amplification process can affect weighing detection precision, feeding control is inaccurate, and production quality of the synthetic resin tile is affected.
So the utility model provides a new scheme solves this problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide an automatic control feeding device for material level detection of a storage bin.
The technical scheme for solving the problem is as follows: the utility model provides a storage silo material level detects automatic control feedway, includes weighing detection unit, microcontroller and sets up the automatically controlled valve at the storage silo discharge gate, weighing detection unit is including the weighing sensor who is used for detecting material weight in the storage silo, weighing sensor's detected signal is sent into after buffering noise reduction circuit, the differential amplification filter regulating circuit processing in proper order among the microcontroller, microcontroller's output is connected the control end of automatically controlled valve.
Preferably, the buffering noise reduction circuit comprises resistors R1 and R2 and a capacitor C1, one ends of the resistor R1 and the capacitor C1 are connected to the signal output end of the weighing sensor, and the other ends of the resistor R1 and the capacitor C1 are grounded through the resistor R2.
Preferably, the differential amplification filtering regulating circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the inverting input end of the operational amplifier AR1 is connected with the other end of the resistor R1, the output end of the operational amplifier AR1 is connected with the emitter of the triode VT1, and is connected with the inverting input end of the operational amplifier AR1 through the band-stop R3, the base electrode of the triode VT1 is connected with the operational amplifier AR1 through the inductor L1, the non-inverting input end of the AR2 is connected with one end of the resistor R5 and one end of the capacitor C3, the other ends of the resistor R5 and the capacitor C3 are grounded in parallel, the collector electrode of the triode VT1 is connected with the inverting input end of the operational amplifier AR2 and one end of the resistor R6, and is connected with the inverting input end of the operational amplifier AR1 through the resistor R4 and the capacitor C2 in parallel, the output end of the operational amplifier AR2 is connected with the other end of the resistor R6, and one end of the capacitor C4 is connected with the microcontroller through the inductor L2, and the other end of the capacitor C4 is grounded.
Preferably, the microcontroller selects an STM32 singlechip.
Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a set up the detecting element that weighs and come to handle the feed volume data signal in the storage silo, avoid noise fluctuation and outside clutter to disturb, promote the stability and the precision that the detected signal enlargies the processing, make the accurate reliability of storage silo automatic control feed, guarantee synthetic resin tile production quality.
Drawings
Fig. 1 is a schematic circuit diagram of the weighing detection unit of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides a storage silo material level detects automatic control feedway, includes weighing detection unit, microcontroller and sets up the automatically controlled valve at the storage silo discharge gate, and weighing detection unit is including the weighing sensor who is used for detecting material weight in the storage silo, weighing sensor's detected signal is sent into after buffering noise reduction circuit, the differential amplification filter regulating circuit processing in proper order among the microcontroller, microcontroller's output is connected the control end of automatically controlled valve.
As shown in fig. 1, the buffering and noise reducing circuit includes resistors R1 and R2 and a capacitor C1, one end of the resistor R1 and one end of the capacitor C1 are connected to the signal output end of the weighing sensor, and the other end of the resistor R1 and the other end of the capacitor C1 are grounded through the resistor R2. The differential amplification filtering regulating circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the inverting input end of the operational amplifier AR1 is connected with the other end of a resistor R1, the output end of the operational amplifier AR1 is connected with the emitting electrode of a triode VT1, the inverting input end of the operational amplifier AR1 is connected with the inverting input end of the operational amplifier AR1 through a band-stop R3, the base electrode of the triode VT1 is connected with the operational amplifier AR1 through an inductor L1, the non-inverting input end of the AR2 is connected with a resistor R5 and one end of a capacitor C3, the other ends of the resistor R5 and the capacitor C3 are grounded in parallel, the collecting electrode of the triode VT1 is connected with the inverting input end of the operational amplifier AR2 and one end of a resistor R6, the inverting input end of the operational amplifier AR1 is connected with the capacitor C2 through a resistor R4 in parallel, the output end of the operational amplifier AR2 is connected with the other end of a resistor R6, one end of the capacitor C4 and the microcontroller are connected through the inductor L2, and the other end of the capacitor C4 is grounded.
The utility model discloses a concrete work flow and principle as follows: the utility model discloses a weighing sensor carries out real-time detection to the material weight in the storage silo, and its detected signal converts the signal of telecommunication output to buffering noise reduction circuit in, and buffering noise reduction circuit utilizes RC to cushion the filter principle and compensates the detected signal, effectively avoids the peak clutter interference that produces when unloading is inhomogeneous, guarantees the stability of detected signal output;
the differential amplification filtering adjusting circuit is used for amplifying the output signal of the buffer noise reduction circuit, wherein the operational amplifier AR1 and AR2 form a differential amplifier for rapidly enhancing the detection signal, effectively inhibiting common-mode interference and ensuring the accuracy of signal amplification; meanwhile, the triodes VT1 are directly arranged on the operational amplifiers AR1 and AR2 to carry out filtering adjustment on the detection signal amplification process, and an LC filter network is formed by the inductor L1 and the capacitor C3 to effectively suppress external high-frequency clutter interference, so that the weighing detection precision is greatly improved; a resistance-capacitance feedback network formed by a resistor R4 and a capacitor C2 is added in the operational amplification process to perform phase compensation on the signal amplification process, so that the output waveform of a detection signal is effectively improved, and the system amplification error is eliminated; and finally, an LC filter formed by an inductor L2 and a capacitor C4 is used for further carrying out noise reduction on the output signal of the differential amplifier, so that the accurate output of the weighing detection signal is ensured.
During the specific use, microcontroller chooses for use the STM32 singlechip, carries out the real-time weight data of calculating the material in the storage silo after analysis processes through STM32 singlechip weighing detecting element's detected signal to judge the real-time unloading volume in the storage silo according to detected data, when unloading volume reaches the system set value, drive automatically controlled valve closes and stops the unloading, thereby accomplishes automatic feed.
To sum up, the utility model discloses a set up the detecting element that weighs and come to handle the feed volume data signal in the storage silo, avoid noise fluctuation and outside clutter to disturb, promote the stability and the precision that the detected signal enlargies the processing, make the accurate reliable of storage silo automatic control feed, guarantee synthetic resin tile production quality.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides a storage silo material level detects automatic control feedway, includes weighing detection unit, microcontroller and sets up the automatically controlled valve at the storage silo discharge gate, its characterized in that: the weighing detection unit comprises a weighing sensor used for detecting the weight of the material in the material storage bin, detection signals of the weighing sensor are sent into the microcontroller after being processed by the buffer noise reduction circuit and the differential amplification filtering regulating circuit in sequence, and the output end of the microcontroller is connected with the control end of the electric control valve.
2. The storage bin level detection automatic control feeding device of claim 1, characterized in that: the buffer noise reduction circuit comprises resistors R1 and R2 and a capacitor C1, one ends of the resistor R1 and the capacitor C1 are connected with a signal output end of the weighing sensor, and the other ends of the resistor R1 and the capacitor C1 are grounded through the resistor R2.
3. The storage bin level detection automatic control feeding device of claim 2, characterized in that: the differential amplification filtering regulating circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the inverting input end of the operational amplifier AR1 is connected with the other end of a resistor R1, the output end of the operational amplifier AR1 is connected with the emitting electrode of a triode VT1, the inverting input end of the operational amplifier AR1 is connected with a band stop R3, the base electrode of the triode VT1 is connected with the operational amplifier AR1 through an inductor L1, the non-inverting input end of the AR2 is connected with a resistor R5 and one end of a capacitor C3, the other ends of the resistor R5 and the capacitor C3 are grounded in parallel, the collector electrode of the triode VT1 is connected with the inverting input end of the operational amplifier AR2 and one end of a resistor R6, the inverting input end of the operational amplifier AR1 is connected with the capacitor C2 through a resistor R4 in parallel, the output end of the operational amplifier AR2 is connected with the other end of the resistor R6, one end of the capacitor C4 is connected with the microcontroller through the inductor L2, and the other end of the capacitor C4 is grounded.
4. The storage bin level detection automatic control feeding device of claim 3, characterized in that: and the microcontroller selects an STM32 singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221626886.7U CN218724607U (en) | 2022-06-28 | 2022-06-28 | Automatic control feeding device for material level detection of storage bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221626886.7U CN218724607U (en) | 2022-06-28 | 2022-06-28 | Automatic control feeding device for material level detection of storage bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218724607U true CN218724607U (en) | 2023-03-24 |
Family
ID=85606191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221626886.7U Active CN218724607U (en) | 2022-06-28 | 2022-06-28 | Automatic control feeding device for material level detection of storage bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218724607U (en) |
-
2022
- 2022-06-28 CN CN202221626886.7U patent/CN218724607U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105842142A (en) | Method for calibrating laser particle counter by using single standard particle | |
| CN109613202B (en) | Signal calibration device for pipeline corrosion degree measuring instrument | |
| CN218724607U (en) | Automatic control feeding device for material level detection of storage bin | |
| CN107677200A (en) | High-precision strain measurement system | |
| CN214681664U (en) | Liquid anti-oxidant reation kettle temperature control device | |
| CN104916083A (en) | Internet of things based intelligent combustible gas inspection detector and calibration method thereof | |
| CN210312558U (en) | Automatic unloader of compound fertilizer | |
| CN201335734Y (en) | Long line compensator circuit for weighting sensor | |
| CN211919150U (en) | Water-soluble fertilizer finished product weighing system | |
| CN209157099U (en) | Vacuum pressure casting machine casting temperature measuring device | |
| CN109328620B (en) | Real-time yield measurement system and method of grain combine harvester | |
| CN104393851A (en) | Automatic gain control circuit applied to ultrasonic heat meter and control method of automatic gain control circuit | |
| CN210346783U (en) | Electromagnetic flowmeter | |
| CN204216856U (en) | A kind of automatic gain control circuit being applied to ultrasonic calorimeter | |
| CN202351154U (en) | Air tightness detection device for sintering mixture | |
| CN105352568A (en) | Method for collecting and calculating low-frequency pulse signals of gas flow meter calibration device | |
| CN105527337A (en) | Measurement apparatus and measurement method for magnetic suspension concentration | |
| CN210952307U (en) | Corrugated paper production drying device | |
| CN218077795U (en) | Batching control system for production of fluorescent whitening agent OB-1 | |
| CN212133815U (en) | Diamond micropowder weighing control system | |
| CN211800706U (en) | Diethyl toluene diamine raw material for production proportioning system | |
| CN204116182U (en) | The pick-up unit of a kind of pin-point accuracy PM2.5 | |
| CN109175828B (en) | Tool center point detection circuit of welding robot | |
| GB997579A (en) | Standardization of radiation-absorption type density gauges | |
| CN214082530U (en) | Automatic control device for blanking in injection molding production of plug-in terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |