CN220179726U - Automatic control system of continuous ready-mixed concrete production line - Google Patents
Automatic control system of continuous ready-mixed concrete production line Download PDFInfo
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- CN220179726U CN220179726U CN202321543748.7U CN202321543748U CN220179726U CN 220179726 U CN220179726 U CN 220179726U CN 202321543748 U CN202321543748 U CN 202321543748U CN 220179726 U CN220179726 U CN 220179726U
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- operational amplifier
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- resistor
- concrete production
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000004567 concrete Substances 0.000 title claims abstract description 21
- 230000003321 amplification Effects 0.000 claims abstract description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 18
- 230000003750 conditioning effect Effects 0.000 claims abstract description 6
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000011395 ready-mix concrete Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000001143 conditioned effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model discloses an automatic control system of a continuous ready-mixed concrete production line, which comprises an upper computer, an execution control module and a terminal equipment controller, wherein the execution control module is used for conditioning control command signals issued by the upper computer and comprises a differential amplification regulator for enhancing the control command signals, and the input end and the output end of the differential amplification regulator are respectively provided with a first filter and a second filter; according to the utility model, the control command signal issued by the upper computer is conditioned by executing the control module, the differential amplification regulator is utilized to amplify the control command signal, so that the system error is reduced, the stable and effective transmission of the control command signal is ensured, the transmission of the control command signal is more accurate, the external clutter interference is effectively inhibited, and the running stability of the automatic control system of the continuous premixed concrete production line is improved.
Description
Technical Field
The utility model relates to the technical field of premixed concrete production equipment, in particular to an automatic control system of a continuous premixed concrete production line.
Background
The premixed concrete is produced by specialized factories and used for various concrete mixtures in construction engineering, and is produced by direct processing of a premixed concrete production line, for example, the patent of the utility model with the application number of 201420505622.5 discloses novel environment-friendly premixed mortar production equipment which comprises a sand and powder storage system, an air compressor system, a water midway storage system, an additive midway storage system, a weighing system, a spiral transmission system, a stirring system, a control system and an auxiliary system. The equipment integrates the advantages of wet-mixed mortar and dry-mixed mortar production modes, and has the advantages of environmental protection, high integration level, simple disassembly and assembly, simple operation, small occupied area and high automation degree. In order to realize automatic control of the operation of the production line equipment, the operation data of the ready mixed mortar or concrete production line needs to be monitored in real time through an upper computer, and the terminal equipment controller is regulated in real time through a control instruction when an abnormality occurs, but the control instruction is subjected to factors such as power supply noise, electromagnetic clutter, network fluctuation and the like in the issuing process, so that a great amount of clutter interference is included in a control instruction signal, and the operation stability of an automatic control system of the continuous ready mixed concrete production line is affected.
The present utility model provides a new solution to this problem.
Disclosure of Invention
In view of the above, the present utility model aims to overcome the defects of the prior art and provide an automatic control system for a continuous ready-mixed concrete production line.
The technical scheme for solving the problems is as follows: the automatic control system of the continuous ready-mixed concrete production line comprises an upper computer, an execution control module and a terminal equipment controller, wherein the execution control module is used for conditioning control command signals issued by the upper computer and comprises a differential amplification regulator for enhancing the control command signals, and the input end and the output end of the differential amplification regulator are respectively provided with a first filter and a second filter; the terminal equipment controller is used for identifying the control command signals output by the execution control module in a conditioning mode and adjusting the operation data parameters of the terminal equipment controller according to the control command.
Preferably, the differential amplifying regulator includes operational amplifiers AR1 and AR2, the inverting input terminal of the operational amplifier AR1 is connected with the inverting input terminal of the operational amplifier AR2 through a parallel resistor R4 and a capacitor C2, the non-inverting input terminal of the operational amplifier AR1 is connected with the emitter of a triode VT1, the output terminal of the operational amplifier AR1 is connected with the base of the triode VT1, one end of a resistor R3 and the cathode of a zener diode DZ1, the other end of the resistor R3 and the anode of the zener diode DZ1 are connected in parallel, the collector of the triode VT1 is connected with the non-inverting input terminal of the operational amplifier AR2 and one end of a resistor R5, and the output terminal of the operational amplifier AR1 is connected with the other end of the resistor R5.
Preferably, the first filter includes resistors R1 and R2 and a capacitor C1, one end of the resistors R1 and R2 is connected to the inverting input end of the op-amp AR1 and the control command signal output end of the upper computer, the other end of the resistor R1 is grounded, and the other end of the resistor R2 is grounded through the capacitor C1.
Preferably, the second filter includes an inductor L1 and a capacitor C3, one end of the inductor L1 is connected to the output end of the operational amplifier AR2, and the other end of the inductor L1 is connected to the command signal receiving end of the terminal device controller and is grounded through the capacitor C3.
Preferably, the terminal device controller is a PLC control module.
Through the technical scheme, the utility model has the beneficial effects that: according to the utility model, the control command signal issued by the upper computer is conditioned by executing the control module, the differential amplification regulator is utilized to amplify the control command signal, so that the system error is reduced, the stable and effective transmission of the control command signal is ensured, the transmission of the control command signal is more accurate, the external clutter interference is effectively inhibited, and the running stability of the automatic control system of the continuous premixed concrete production line is improved.
Drawings
FIG. 1 is a block diagram of a system according to the present utility model.
Fig. 2 is a schematic circuit diagram of an execution control module according to the present utility model.
Detailed Description
The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying figures 1 and 2. The following embodiments are described in detail with reference to the drawings.
Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.
As shown in fig. 1, the automatic control system of the continuous ready-mixed concrete production line comprises an upper computer, an execution control module and a terminal equipment controller, wherein the execution control module is used for conditioning control command signals issued by the upper computer and comprises a differential amplification regulator for enhancing the control command signals, and the input end and the output end of the differential amplification regulator are respectively provided with a first filter and a second filter; the terminal equipment controller is used for identifying the control command signals output by the execution control module, and adjusting the operation data parameters of the terminal equipment controller according to the control command.
As shown in fig. 2, the differential amplifying regulator includes operational amplifiers AR1 and AR2, the inverting input terminal of the operational amplifier AR1 is connected with the inverting input terminal of the operational amplifier AR2 through a parallel resistor R4 and a capacitor C2, the non-inverting input terminal of the operational amplifier AR1 is connected with the emitter of a triode VT1, the output terminal of the operational amplifier AR1 is connected with the base of the triode VT1, one end of a resistor R3 and the cathode of a zener diode DZ1, the other end of the resistor R3 and the anode of the zener diode DZ1 are connected in parallel, the collector of the triode VT1 is connected with the non-inverting input terminal of the operational amplifier AR2 and one end of a resistor R5, and the output terminal of the operational amplifier AR1 is connected with the other end of the resistor R5.
The first filter comprises resistors R1 and R2 and a capacitor C1, one ends of the resistors R1 and R2 are connected with an inverting input end of the operational amplifier AR1 and a control command signal output end of the upper computer, the other end of the resistor R1 is grounded, and the other end of the resistor R2 is grounded through the capacitor C1.
Further, the second filter includes an inductor L1 and a capacitor C3, one end of the inductor L1 is connected to the output end of the operational amplifier AR2, and the other end of the inductor L1 is connected to the command signal receiving end of the terminal device controller and is grounded through the capacitor C3.
In a specific application process, the execution control module conditions a control instruction signal issued by the upper computer, and the specific working principle is as follows: firstly, a first filter adopts an RC filtering principle to carry out preliminary noise reduction on a control instruction signal, and peak interference caused by power supply noise is mainly eliminated; then the amplified control command signals are sent into a differential amplification regulator to carry out amplification enhancement treatment, wherein the operational amplifiers AR1 and AR2 amplify the control command signals by utilizing a differential amplification principle, have good inhibition effect on common-mode interference, and meanwhile, add resistance-capacitance feedback compensation in the amplification process, so that the system error is reduced, and the transmission of the control command signals is more accurate; and a triode VT1 is added between the operational amplifiers AR1 and AR2 to serve as a regulating tube, and the waveform of a control command signal in the transmission process has a good improvement effect by following the amplification effect and the amplitude stabilization effect of the voltage stabilizing diode DZ1, so that the surge caused by external clutter and network fluctuation in command transmission is effectively avoided, and the stable and effective command signal transmission is ensured; finally, the second filter further performs noise reduction and filtering on the output signal of the differential amplification regulator by utilizing an LC filtering principle, so that the accurate receiving of the control instruction by the terminal equipment controller is effectively ensured.
In actual setting, the terminal equipment controller is a PLC control module, the control command signals are analyzed and identified through the PLC control module, and the operation data parameters of the terminal equipment controller are adjusted according to the command content, so that the automatic control of continuous operation of the ready-mixed concrete production line is realized.
According to the utility model, the control command signal issued by the upper computer is conditioned by executing the control module, the differential amplification regulator is utilized to amplify the control command signal, so that the system error is reduced, the stable and effective transmission of the control command signal is ensured, the transmission of the control command signal is more accurate, the external clutter interference is effectively inhibited, and the running stability of the automatic control system of the continuous premixed concrete production line is improved.
While the utility model has been described in connection with certain embodiments, it is not intended that the utility model be limited thereto; for those skilled in the art to which the present utility model pertains and the related art, on the premise of based on the technical scheme of the present utility model, the expansion, the operation method and the data replacement should all fall within the protection scope of the present utility model.
Claims (5)
1. The utility model provides a continuous type ready-mixed concrete production line automatic control system, includes host computer, execution control module and terminal equipment controller, its characterized in that: the execution control module is used for conditioning control command signals issued by the upper computer and comprises a differential amplification regulator for enhancing the control command signals, and the input end and the output end of the differential amplification regulator are respectively provided with a first filter and a second filter;
the terminal equipment controller is used for identifying the control command signals output by the execution control module in a conditioning mode and adjusting the operation data parameters of the terminal equipment controller according to the control command.
2. The automatic control system for a continuous ready mixed concrete production line according to claim 1, wherein: the differential amplification regulator comprises an operational amplifier AR1 and an operational amplifier AR2, wherein an inverting input end of the operational amplifier AR1 is connected with an inverting input end of the operational amplifier AR2 through a resistor R4 and a capacitor C2 which are connected in parallel, an in-phase input end of the operational amplifier AR1 is connected with an emitter of a triode VT1, an output end of the operational amplifier AR1 is connected with a base electrode of the triode VT1, one end of a resistor R3 and a cathode of a voltage stabilizing diode DZ1, the other end of the resistor R3 and an anode of the voltage stabilizing diode DZ1 are connected in parallel, a collector of the triode VT1 is connected with an in-phase input end of the operational amplifier AR2 and one end of a resistor R5, and an output end of the operational amplifier AR1 is connected with the other end of the resistor R5.
3. The automatic control system for a continuous ready mixed concrete production line according to claim 2, wherein: the first filter comprises resistors R1 and R2 and a capacitor C1, one ends of the resistors R1 and R2 are connected with an inverting input end of the operational amplifier AR1 and a control instruction signal output end of the upper computer, the other end of the resistor R1 is grounded, and the other end of the resistor R2 is grounded through the capacitor C1.
4. The automatic control system for a continuous ready mixed concrete production line according to claim 2, wherein: the second filter comprises an inductor L1 and a capacitor C3, one end of the inductor L1 is connected with the output end of the operational amplifier AR2, and the other end of the inductor L1 is connected with the instruction signal receiving end of the terminal equipment controller and is grounded through the capacitor C3.
5. An automatic control system for a continuous ready-mix concrete production line according to any one of claims 1 to 4, characterized in that: the terminal equipment controller is a PLC control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543748.7U CN220179726U (en) | 2023-06-16 | 2023-06-16 | Automatic control system of continuous ready-mixed concrete production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543748.7U CN220179726U (en) | 2023-06-16 | 2023-06-16 | Automatic control system of continuous ready-mixed concrete production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220179726U true CN220179726U (en) | 2023-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321543748.7U Active CN220179726U (en) | 2023-06-16 | 2023-06-16 | Automatic control system of continuous ready-mixed concrete production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220179726U (en) |
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2023
- 2023-06-16 CN CN202321543748.7U patent/CN220179726U/en active Active
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