CN113190053A - Dam front water level control system and control device for reservoir physical model - Google Patents
Dam front water level control system and control device for reservoir physical model Download PDFInfo
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- CN113190053A CN113190053A CN202110523441.XA CN202110523441A CN113190053A CN 113190053 A CN113190053 A CN 113190053A CN 202110523441 A CN202110523441 A CN 202110523441A CN 113190053 A CN113190053 A CN 113190053A
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Abstract
The invention discloses a dam front water level control system and a control device for a reservoir physical model, which comprise a controller, a non-contact water level detection module, a key control module, a valve control module and a power supply module, wherein the controller is connected with the non-contact water level detection module; the non-contact water level detection module, the controller and the valve control module form an automatic control subsystem; the key control module, the controller and the valve control module form a manual control subsystem; the non-contact water level sensor detects the time that the river tail water level in the physical model of the reservoir reaches the upper limit and the lower limit, when the river tail water level reaches the upper limit water level, the relay is closed to open the valve of the reservoir, the water level is reduced to the lower limit water level, the relay is disconnected to close the valve of the reservoir, and the automatic control of the river tail water level upper limit and the lower limit of the physical model of the reservoir is realized; the UP button is controlled to open the reservoir valve to discharge water, the DOWN button is controlled to close the reservoir valve to stop discharging water, and the priority of manual control is greater than that of automatic control.
Description
Technical Field
The invention belongs to the technical field of measurement, and particularly relates to a dam front water level control system and a dam front water level control device for a reservoir physical model.
Background
The reservoir physical model is used for simulating the original main flow storage capacity of a real reservoir area and the condition of a real reservoir. High precision is required for various measurement data of the reservoir physical model to meet the reference significance and the guiding significance of the obtained reservoir physical model data on the real reservoir condition, so that the requirement on river channel water level control is strict, and the stability and the rapidity of control are emphasized.
Because the scale of the reservoir physical model is small, the water level control of the reservoir physical model usually adopts a mode of manually controlling the valve to be opened and closed in practice at present, the upper limit of the water level and the lower limit of the water level are arranged on the side surface of a river channel of the reservoir physical model, the river tail valve is manually opened to start water discharging at the position where the river tail water level reaches the upper limit of the water level through manual observation and manual observation, and the river tail valve is manually closed to stop water discharging at the position where the river tail water level is reduced to the lower limit of the water level. The manual control of the river tail water level has the characteristics of poor rapidity, labor consumption and the like, and the automatic control of the river tail water level of the reservoir physical model cannot be realized.
Disclosure of Invention
In view of the above-described deficiencies in the prior art, the present invention provides a dam front water level control system and control device for a reservoir physical model.
The technical scheme adopted by the invention is as follows:
a dam front water level control system for a reservoir physical model comprises a controller, a non-contact water level detection module, a key control module, a valve control module and a power supply module; the power supply module supplies power to the controller, the non-contact water level detection module, the key control module and the valve control module; the non-contact water level detection module, the controller and the valve control module form an automatic control subsystem; the key control module, the controller and the valve control module form a manual control subsystem; the non-contact water level detection module comprises a water level detection piece and a water level detection circuit; the water level detection part is connected with an input port of the controller through the water level detection circuit and transmits a detection signal to the controller, the controller sends an instruction to the valve control module according to the detection signal of the water level detection part, and the valve control module acts to realize the control of the water level; the button control module at least comprises a button circuit, the button circuit transmits a manual instruction to the controller, the controller receives the manual instruction and then sends the instruction to the valve control module, and the valve control module acts to realize the control of the water level.
As a preferable scheme of the present invention, the water level detection circuit includes a detection piece interface, a pull-up resistor, and an auxiliary resistor; the water level detection piece is connected with the direct current voltage II of the power supply module, the water level detection piece is installed on the detection piece interface, one path of a signal interface of the water level detection piece is connected with the direct current voltage III of the power supply module through a pull-up resistor, and the other path of the signal interface of the water level detection piece is connected with the input port of the controller through an auxiliary resistor.
As a preferable aspect of the present invention, the water level detection member includes at least an upper water level detection sensor and a lower water level detection sensor; the water level detection circuits correspond to the water level detection pieces one by one and comprise upper water level detection sub-circuits and lower water level detection sub-circuits; the upper water level sensor is connected with the upper water level detection sub-circuit through a signal wire, and the lower water level sensor is connected with the lower water level detection sub-circuit.
The upper water level detection sub-circuit comprises an upper detection piece interface UP1, a pull-UP resistor R9 and an auxiliary resistor R7; the upper water level detection sensor is connected with the direct current voltage II of the power supply module, the upper water level detection sensor is installed on an upper detection piece interface UP1 through a signal wire, one path of the signal interface of the upper water level detection sensor is connected with the direct current voltage III of the power supply module through a pull-UP resistor R9, and the other path of the signal interface of the upper water level detection sensor is connected with the PA1 input port of the controller through an auxiliary resistor R7; and for safety, a signal interface of the upper water level detection sensor is provided with a grounding capacitor C6.
The lower water level detection sub-circuit comprises a lower detector interface DOWN1, a pull-up resistor R10 and an auxiliary resistor R8; the lower water level detection sensor is connected with the direct current voltage II of the power supply module, the lower water level detection sensor is arranged on a lower detection piece interface DOWN1 through a signal line, one path of the signal interface of the lower water level detection sensor is connected with the direct current voltage III of the power supply module through a pull-up resistor R10, and the other path of the signal interface of the lower water level detection sensor is connected with the PA2 input port of the controller through an auxiliary resistor R8; and a grounding capacitor C7 is arranged at a signal interface of the lower water level detection sensor for safety.
As a preferred scheme of the invention, the valve control module comprises a controlled switch element and a relay, wherein the controlled switch element is connected with an output port of the controller through a divider resistor, the controlled switch element is connected with a direct current voltage I of the power supply module after being connected with a relay coil, and a normally open contact of the relay is connected with a controlled valve motor; the controlled switch element controls the on-off of the relay coil according to the signal of the controller, and then the start and stop of the controlled valve motor are realized.
As a preferable scheme of the present invention, the relay coil is connected in parallel with a diode D1, and the cathode of the diode D1 is connected with the dc voltage I of the power supply module; the relay coil is connected in parallel with a motor working state circuit, the motor working state circuit comprises a light emitting diode LED2 and a resistor R6, the light emitting diode LED2 is connected with the resistor R6 in series, and the light emitting diode LED2 can visually display the state of the valve motor.
Specifically, the controlled switching element adopts a triode Q2, the base of the triode Q2 is connected with the output port of the PA0 of the controller through a voltage dividing resistor R4, the emitter of the triode Q2 is grounded, the emitter of the triode Q2 is connected with a relay coil, and the other end of the relay coil is connected with a direct current voltage I; the anode of the diode D1 is connected with the emitter of the triode Q2, and the cathode of the diode D1 is connected with the direct-current voltage I; the light emitting diode LED2 and the resistor R6 are connected in series and then connected in parallel with the relay coil.
As a preferred scheme of the present invention, the key circuit includes a key and a key resistor, one end of the key resistor is connected to the dc voltage III of the power module, the other end of the key resistor is divided into two paths, one path is connected to the input port of the controller, and the other path is connected in series with the key and then grounded; and the controller sends an instruction to the valve control module after receiving the manual instruction, and the valve control module acts to realize the control of the water level.
The key circuit comprises two key circuits, namely an UP key circuit and a DOWN key circuit; and the keys are all non-lock keys, the model is PBS-11, and the valve motor is respectively opened and closed by using the unlocking key.
The power supply module comprises a direct current voltage stabilizing circuit, a primary voltage drop stabilizing circuit and a secondary voltage drop stabilizing circuit, wherein the power supply end outputs direct current voltage I after passing through the direct current voltage stabilizing circuit, the direct current voltage I outputs direct current voltage II after passing through the primary voltage drop stabilizing circuit, and the direct current voltage II outputs direct current voltage III after passing through the secondary voltage drop stabilizing circuit.
The direct current voltage stabilizing circuit comprises a power interface P2, a Schottky diode D3 and a voltage stabilizing diode D2, wherein the anode of the Schottky diode D3 is connected with the power interface P1, the cathode of the Schottky diode D3 is connected with the cathode of a voltage stabilizing diode D2, and the anode of the voltage stabilizing diode D2 is grounded; the external direct current power supply outputs direct current voltage I after passing through a Schottky diode D3, and the direct current voltage I is DC 12V.
The primary voltage drop voltage stabilizing circuit comprises a fuse F1, an electrolytic capacitor C11, a filter capacitor C9, a voltage stabilizer U2, an electrolytic capacitor C12 and a filter capacitor C13; voltage regulator U2 is an LM78M05 voltage regulator. The direct current voltage I is connected with the input end of a voltage stabilizer U2 through a fuse F1, an electrolytic capacitor C11 and a filter capacitor C9 which are arranged in parallel are connected between the fuse F1 and the input end of the voltage stabilizer U2, and one ends of the electrolytic capacitor C11 and one end of the filter capacitor C9 are grounded; the output end of the voltage stabilizer U2 outputs direct-current voltage II, and the direct-current voltage II is DC 5V; the output end of the voltage stabilizer U2 is provided with an electrolytic capacitor C12 and a filter capacitor C13 which are connected in parallel, and one end of each of the electrolytic capacitor C12 and the filter capacitor C13 is grounded; namely, DC12V outputs DC5V after passing through LM78M05 voltage regulator.
The secondary voltage drop voltage stabilizing circuit comprises a voltage stabilizer U3, an electrolytic capacitor C14, a filter capacitor C10 and a resistor R12, wherein the voltage stabilizer U3 is an AMS117-3.3 forward low voltage drop voltage stabilizer, the input end of a voltage stabilizer U3 is connected with a direct current voltage II, the output end of the voltage stabilizer U3 is connected with the resistor R12 and then grounded, a direct current voltage III is output between the output end of the voltage stabilizer U3 and the resistor R12, and the direct current voltage III is DC3.3V; an electrolytic capacitor C14 and a filter capacitor C10 are arranged between the output end of the voltage stabilizer U3 and the resistor R12 in parallel; one end of the electrolytic capacitor C14 and one end of the filter capacitor C10 are grounded; namely, the DC5V is output DC3.3V after passing through the AMS117-3.3 forward low drop-out voltage regulator, and in order to observe whether the power supply is normal, the resistor R12 is connected with a light-emitting diode LED3 in series.
The invention also provides a dam front water level control device for the reservoir physical model, which comprises a control box, at least two non-contact water level sensors, at least one key and a control line, wherein a controller, a water level detection circuit, a key circuit, a valve control module and a power module are arranged in the control box; the non-contact water level sensor is connected with the water level detection circuit through a signal wire, the length of the signal wire is 100cm, the water level detection circuit is connected with an input port of the controller, and the key is connected with the input port of the controller through a key circuit; the output port of the controller is connected with a valve control module, and the valve control module is connected with a valve motor to be controlled through a control line. The length of each signal line is 100cm, and the water depth change of 0-200 cm can be measured.
As a preferred scheme of the present invention, the power module is connected to a power box through a wire, the power box converts ac power into dc power, and the power box is connected to a power plug, and uses commercial power as a power supply source.
As a preferred scheme of the invention, an indicator light is arranged on the control box and is connected with the valve control module, and the state of the valve motor is intuitively known by the indicator light.
According to the invention, two non-contact water level sensors are arranged, the time of the river tail water level reaching the upper limit and the lower limit in the reservoir physical model is accurately detected, and STM32F030C8T6 single chip microcomputer control is used, when the river tail water level reaching the upper limit water level is detected, the valve control module is controlled to close the miniature relay so as to open the reservoir valve, after the reservoir drains water through the valve, the river tail water level is reduced to the lower limit water level position, the controller receives a signal, and the valve control module is controlled to open the miniature relay so as to close the reservoir valve, so that the automatic control of the river tail water level upper limit and the lower limit of the reservoir physical model is realized; meanwhile, the device provides a manual control function, the UP button is controlled to open the reservoir valve to discharge water, the DOWN button is controlled to close the reservoir valve to stop discharging water, and the priority of manual control is greater than that of automatic control.
The whole device realizes the detection of the upper and lower limits of the river tail water level in the reservoir physical model, and simultaneously realizes the automatic control of the river tail water level to limit the water level between the upper and lower limit water levels, thereby getting rid of the defects caused by manual control and improving the accuracy, rapidity and automation of sampling the density flow; and meanwhile, the non-contact water level sensor is suitable for the outer wall of the non-metal container without being in direct contact with liquid, so that the influence of impurities such as silt and water scale on the device is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a control device according to the present invention.
Fig. 2 is a control schematic diagram of the present invention.
Fig. 3 is a schematic view of the installation of the control device of the present invention.
Fig. 4 is a circuit diagram of the power module of the present invention.
FIG. 5 is a circuit diagram of a water level detecting circuit according to the present invention.
Fig. 6 is a circuit diagram of a valve control module of the present invention.
Fig. 7 is a circuit diagram of the controller of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
a dam front water level control system for a reservoir physical model is shown in figure 2 and comprises a controller, a non-contact water level detection module, a key control module, a valve control module and a power supply module; the power module supplies power to the controller, the non-contact water level detection module, the key control module and the valve control module, and the controller is a 32-bit single chip microcomputer with the model of STM32F030C8T 6.
The non-contact water level detection module, the controller and the valve control module form an automatic control subsystem. The non-contact water level detection module comprises a water level detection piece and a water level detection circuit; the water level detection piece is connected with the input port of the controller through the water level detection circuit and transmits a detection signal to the controller, the controller sends an instruction to the valve control module according to the detection signal of the water level detection piece, and the valve control module acts to realize the control of the water level.
In this embodiment, the water level detection member includes an upper water level detection sensor and a lower water level detection sensor, and the upper water level detection sensor and the lower water level detection sensor are non-contact water level sensors of the type XKC-Y25-NPN.
The water level detection circuits correspond to the water level detection pieces one by one and comprise upper water level detection sub-circuits and lower water level detection sub-circuits; the upper water level sensor is connected with the upper water level detection sub-circuit through a signal wire, and the lower water level sensor is connected with the lower water level detection sub-circuit.
The upper water level detection sub-circuit, as shown in fig. 5 and 7, includes an upper detector interface UP1, a pull-UP resistor R9 and an auxiliary resistor R7; the upper water level detection sensor is connected with the direct current voltage II of the power supply module, the upper water level detection sensor is installed on an upper detection piece interface UP1 through a signal wire, one path of the signal interface of the upper water level detection sensor is connected with the direct current voltage III of the power supply module through a pull-UP resistor R9, and the other path of the signal interface of the upper water level detection sensor is connected with the PA1 input port of the controller through an auxiliary resistor R7; and for safety, a signal interface of the upper water level detection sensor is provided with a grounding capacitor C6.
The lower water level detection sub-circuit comprises a lower detector interface DOWN1, a pull-up resistor R10 and an auxiliary resistor R8; the lower water level detection sensor is connected with the direct current voltage II of the power supply module, the lower water level detection sensor is arranged on a lower detection piece interface DOWN1 through a signal line, one path of the signal interface of the lower water level detection sensor is connected with the direct current voltage III of the power supply module through a pull-up resistor R10, and the other path of the signal interface of the lower water level detection sensor is connected with the PA2 input port of the controller through an auxiliary resistor R8; and a grounding capacitor C7 is arranged at a signal interface of the lower water level detection sensor for safety.
The valve control module, as shown in fig. 6 and 7, includes a controlled switch element and a relay, the controlled switch element is connected with an output port of the controller through a voltage dividing resistor, the controlled switch element is connected with a direct current voltage I of the power module after being connected with a relay coil, and a normally open contact of the relay is connected with a controlled valve motor; the controlled switch element controls the on-off of the relay coil according to the signal of the controller, and then the start and stop of the controlled valve motor are realized.
Specifically, the controlled switching element adopts a triode Q2, the base of the triode Q2 is connected with the output port of the PA0 of the controller through a voltage dividing resistor R4, the emitter of the triode Q2 is grounded, the emitter of the triode Q2 is connected with a relay coil, and the other end of the relay coil is connected with a direct current voltage I; the anode of the diode D1 is connected with the emitter of the triode Q2, and the cathode of the diode D1 is connected with the direct-current voltage I; the light emitting diode LED2 and the resistor R6 are connected in series and then connected with the relay coil in parallel, and the light emitting diode LED2 can visually display the state of the valve motor.
The controller controls the conduction of the triode Q2, and then controls the closing of the small electromagnetic relay K1 to realize the conduction of the interface P1, the interface P1 is connected with the control line 7, and the indicator light is connected with the resistor R6 in series and then is connected with the small electromagnetic relay K1 in parallel for indicating the working state of the valve motor.
The key control module, the controller and the valve control module form a manual control subsystem; the key control module and the two key circuits are respectively an UP key circuit and a DOWN key circuit; each key circuit comprises a key and a key resistor, the key adopts a non-lock key, the model is PBS-11, and the motor of the valve is used for opening and closing respectively. One end of the key resistor is connected with the direct-current voltage III of the power supply module, the other end of the key resistor is divided into two paths, one path is connected with the input port of the controller, and the other path is connected with the keys in series and then grounded; and the controller sends an instruction to the valve control module after receiving the manual instruction, and the valve control module acts to realize the control of the water level. And a manual instruction is transmitted to the controller, the controller receives the manual instruction and then sends an instruction to the valve control module, and the valve control module acts to realize the control of the water level.
The power module, as shown in fig. 4 and 7, includes a dc voltage stabilizing circuit, a primary voltage drop stabilizing circuit, and a secondary voltage drop stabilizing circuit, wherein the power end outputs a dc voltage I after passing through the dc voltage stabilizing circuit, the dc voltage I outputs a dc voltage II after passing through the primary voltage drop stabilizing circuit, and the dc voltage II outputs a dc voltage III after passing through the secondary voltage drop stabilizing circuit.
The direct current voltage stabilizing circuit comprises a power interface P2, a Schottky diode D3 and a voltage stabilizing diode D2, wherein the anode of the Schottky diode D3 is connected with the power interface P1, the cathode of the Schottky diode D3 is connected with the cathode of a voltage stabilizing diode D2, and the anode of the voltage stabilizing diode D2 is grounded; the external direct current power supply outputs direct current voltage I after passing through a Schottky diode D3, and the direct current voltage I is DC 12V.
The primary voltage drop voltage stabilizing circuit comprises a fuse F1, an electrolytic capacitor C11, a filter capacitor C9, a voltage stabilizer U2, an electrolytic capacitor C12 and a filter capacitor C13; voltage regulator U2 is an LM78M05 voltage regulator. The direct current voltage I is connected with the input end of a voltage stabilizer U2 through a fuse F1, an electrolytic capacitor C11 and a filter capacitor C9 which are arranged in parallel are connected between the fuse F1 and the input end of the voltage stabilizer U2, and one ends of the electrolytic capacitor C11 and one end of the filter capacitor C9 are grounded; the output end of the voltage stabilizer U2 outputs direct-current voltage II, and the direct-current voltage II is DC 5V; the output end of the voltage stabilizer U2 is provided with an electrolytic capacitor C12 and a filter capacitor C13 which are connected in parallel, and one end of each of the electrolytic capacitor C12 and the filter capacitor C13 is grounded; namely, DC12V outputs DC5V after passing through LM78M05 voltage regulator.
The secondary voltage drop voltage stabilizing circuit comprises a voltage stabilizer U3, an electrolytic capacitor C14, a filter capacitor C10 and a resistor R12, wherein the voltage stabilizer U3 is an AMS117-3.3 forward low voltage drop voltage stabilizer, the input end of a voltage stabilizer U3 is connected with a direct current voltage II, the output end of the voltage stabilizer U3 is connected with the resistor R12 and then grounded, a direct current voltage III is output between the output end of the voltage stabilizer U3 and the resistor R12, and the direct current voltage III is DC3.3V; an electrolytic capacitor C14 and a filter capacitor C10 are arranged between the output end of the voltage stabilizer U3 and the resistor R12 in parallel; one end of the electrolytic capacitor C14 and one end of the filter capacitor C10 are grounded; namely, the DC5V is output DC3.3V after passing through the AMS117-3.3 forward low drop-out voltage regulator, and in order to observe whether the power supply is normal, the resistor R12 is connected with a light-emitting diode LED3 in series.
Example 2:
a dam front water level control device for a reservoir physical model is shown in figures 1 and 2 and comprises a control box 1, two non-contact water level sensors 3, two keys 5 and a control line 7, wherein a controller, a water level detection circuit, a key circuit, a valve control module and a power module are arranged in the control box 1, and the power module supplies power to the controller, the water level detection circuit, the key circuit and the valve control module; the non-contact water level sensor 3 is connected with a water level detection circuit through a signal wire, the length of the signal wire is 100cm, the water level detection circuit is connected with an input port of the controller, and the key 5 is connected with the input port of the controller through a key circuit; the output port of the controller is connected with a valve control module, and the valve control module is connected with a valve motor to be controlled through a control line 7. The length of each signal line is 100cm, and the water depth change of 0-200 cm can be measured.
Install pilot lamp 6 on the control box, the pilot lamp is connected with valve control module, and the state of valve motor is known directly perceivedly to the pilot lamp.
The power module is connected with the power box 2 through a wire, the power box 2 converts alternating current into direct current, the power box 2 is connected with the power plug 4, and commercial power is used as a power supply source.
The keys are an UP key and a DOWN key respectively, a lockless key is adopted, the model is PBS-11, and a valve motor is opened and closed respectively. And a manual instruction is transmitted to the controller, the controller receives the manual instruction and then sends an instruction to the valve control module, and the valve control module acts to realize the control of the water level.
The power module, as shown in fig. 4 and 7, includes a dc voltage stabilizing circuit, a primary voltage drop stabilizing circuit, and a secondary voltage drop stabilizing circuit, wherein the power end outputs a dc voltage I after passing through the dc voltage stabilizing circuit, the dc voltage I outputs a dc voltage II after passing through the primary voltage drop stabilizing circuit, and the dc voltage II outputs a dc voltage III after passing through the secondary voltage drop stabilizing circuit.
The direct current voltage stabilizing circuit comprises a power interface P2, a Schottky diode D3 and a voltage stabilizing diode D2, wherein the anode of the Schottky diode D3 is connected with the power interface P1, the cathode of the Schottky diode D3 is connected with the cathode of a voltage stabilizing diode D2, and the anode of the voltage stabilizing diode D2 is grounded; the external direct-current power supply outputs direct-current voltage I after passing through a Schottky diode D3, and the direct-current voltage I is DC 12V.
The primary voltage drop voltage stabilizing circuit comprises a fuse F1, an electrolytic capacitor C11, a filter capacitor C9, a voltage stabilizer U2, an electrolytic capacitor C12 and a filter capacitor C13; voltage regulator U2 is an LM78M05 voltage regulator. The direct current voltage I is connected with the input end of a voltage stabilizer U2 through a fuse F1, an electrolytic capacitor C11 and a filter capacitor C9 which are arranged in parallel are connected between the fuse F1 and the input end of the voltage stabilizer U2, and one ends of the electrolytic capacitor C11 and one end of the filter capacitor C9 are grounded; the output end of the voltage stabilizer U2 outputs direct-current voltage II, and the direct-current voltage II is DC 5V; the output end of the voltage stabilizer U2 is provided with an electrolytic capacitor C12 and a filter capacitor C13 which are connected in parallel, and one end of each of the electrolytic capacitor C12 and the filter capacitor C13 is grounded; namely, DC12V outputs DC5V after passing through LM78M05 voltage regulator.
The secondary voltage drop voltage stabilizing circuit comprises a voltage stabilizer U3, an electrolytic capacitor C14, a filter capacitor C10 and a resistor R12, wherein the voltage stabilizer U3 is an AMS117-3.3 forward low voltage drop voltage stabilizer, the input end of a voltage stabilizer U3 is connected with a direct current voltage II, the output end of the voltage stabilizer U3 is connected with the resistor R12 and then grounded, a direct current voltage III is output between the output end of the voltage stabilizer U3 and the resistor R12, and the direct current voltage III is DC3.3V; an electrolytic capacitor C14 and a filter capacitor C10 are arranged between the output end of the voltage stabilizer U3 and the resistor R12 in parallel; one end of the electrolytic capacitor C14 and one end of the filter capacitor C10 are grounded; namely, the DC5V is output DC3.3V after passing through the AMS117-3.3 forward low drop-out voltage regulator, and in order to observe whether the power supply is normal, the resistor R12 is connected with a light-emitting diode LED3 in series.
As shown in fig. 3, the use method when automatically controlling the water level is as follows:
step 1: and adhering the non-contact water level sensor on the side wall of the river tail nonmetal container of the reservoir physical model, and respectively corresponding to the upper limit water level position and the lower limit water level position.
Step 2: the power supply box is fixed at a place where the power supply is conveniently switched on, and the control line is connected with a valve motor at the tail of the river.
And step 3: and (3) switching on a power supply, driving the valve motor to work by the controller when the river tail water level reaches the upper limit value, opening the gate to drain water, and closing the valve by the controller driving the motor to stop draining water when the river tail water level is reduced to the lower limit value.
As shown in fig. 3, the use method in manual control is as follows:
step 1: the power supply box is fixed at a place where the power supply is conveniently switched on, and the control line is connected with a valve motor at the tail of the river.
Step 2: the power is switched on. When the UP button on the control box is pressed DOWN, the device drives the valve motor to work, the gate is opened, water is discharged, the DOWN button on the control box is pressed DOWN, the device drives the motor to close the valve, and the water discharge is stopped.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a water level control system before dam for reservoir physical model which characterized in that: the device comprises a controller, a non-contact water level detection module, a key control module, a valve control module and a power supply module; the power supply module supplies power to the controller, the non-contact water level detection module, the key control module and the valve control module; the non-contact water level detection module, the controller and the valve control module form an automatic control subsystem; the key control module, the controller and the valve control module form a manual control subsystem; the non-contact water level detection module comprises a water level detection piece and a water level detection circuit; the water level detection part is connected with an input port of the controller through the water level detection circuit and transmits a detection signal to the controller, the controller sends an instruction to the valve control module according to the detection signal of the water level detection part, and the valve control module acts to realize the control of the water level; the button control module at least comprises a button circuit, the button circuit transmits a manual instruction to the controller, the controller receives the manual instruction and then sends the instruction to the valve control module, and the valve control module acts to realize the control of the water level.
2. The system for controlling the water level in front of the dam for the physical model of the reservoir as claimed in claim 1, wherein: the water level detection circuit comprises a detection piece interface, a pull-up resistor and an auxiliary resistor; the water level detection piece is connected with the direct current voltage II of the power supply module, the water level detection piece is installed on the detection piece interface, one path of a signal interface of the water level detection piece is connected with the direct current voltage III of the power supply module through a pull-up resistor, and the other path of the signal interface of the water level detection piece is connected with the input port of the controller through an auxiliary resistor.
3. The system for controlling the water level in front of the dam for the physical model of the reservoir as claimed in claim 2, wherein: the water level detection piece at least comprises an upper water level detection sensor and a lower water level detection sensor; the water level detection circuits correspond to the water level detection pieces one by one and comprise upper water level detection sub-circuits and lower water level detection sub-circuits; the upper water level sensor is connected with the upper water level detection sub-circuit through a signal wire, and the lower water level sensor is connected with the lower water level detection sub-circuit.
4. The system for controlling the front water level of a reservoir for a physical model of a reservoir according to any one of claims 1 to 3, wherein: the valve control module comprises a controlled switch element and a relay, the controlled switch element is connected with an output port of the controller through a voltage dividing resistor, the controlled switch element is connected with a direct current voltage I of the power supply module after being connected with a relay coil, and a normally open contact of the relay is connected with a controlled valve motor; the controlled switch element controls the on-off of the relay coil according to the signal of the controller, and then the start and stop of the controlled valve motor are realized.
5. The system for controlling the water level in front of the dam for the physical model of the reservoir as claimed in claim 4, wherein: the relay coil is connected with a diode D1 in parallel, and the cathode of the diode D1 is connected with the direct-current voltage I of the power supply module; the relay coil is connected in parallel with a motor working state circuit, the motor working state circuit comprises a light emitting diode LED2 and a resistor R6, and the light emitting diode LED2 is connected in series with the resistor R6.
6. The system for controlling the water level in front of the dam for the physical model of the reservoir as claimed in claim 1, wherein: the key circuit comprises keys and key resistors, one end of each key resistor is connected with the direct-current voltage III of the power supply module, the other end of each key resistor is divided into two paths, one path is connected with the input port of the controller, and the other path is connected with the keys in series and then grounded; and the controller sends an instruction to the valve control module after receiving the manual instruction, and the valve control module acts to realize the control of the water level.
7. The system for controlling the water level in front of the dam for the physical model of the reservoir as claimed in claim 1, wherein: the power supply module comprises a direct current voltage stabilizing circuit, a primary voltage drop stabilizing circuit and a secondary voltage drop stabilizing circuit, wherein the power supply end outputs direct current voltage I after passing through the direct current voltage stabilizing circuit, the direct current voltage I outputs direct current voltage II after passing through the primary voltage drop stabilizing circuit, and the direct current voltage II outputs direct current voltage III after passing through the secondary voltage drop stabilizing circuit.
8. The utility model provides a water level controlling means before dam for reservoir physical model which characterized in that: the water level control system comprises a control box (1), at least two non-contact water level sensors (3), at least one key (5) and a control line (7), wherein a controller, a water level detection circuit, a key circuit, a valve control module and a power module are arranged in the control box (1), and the power module supplies power to the controller, the water level detection circuit, the key circuit and the valve control module; the non-contact water level sensor (3) is connected with a water level detection circuit through a signal wire, the water level detection circuit is connected with an input port of the controller, and the key (5) is connected with the input port of the controller through a key circuit; the output port of the controller is connected with a valve control module, and the valve control module is connected with a valve motor to be controlled through a control line (7).
9. The apparatus of claim 8, wherein: the power module is connected with the power box (2) through a wire, the power box (2) converts alternating current into direct current, and the power box (2) is connected with the power plug (4).
10. The apparatus for controlling the water level in front of the dam for a physical model of a reservoir as claimed in claim 8 or 9, wherein: and an indicator light is arranged on the control box and is connected with the valve control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110523441.XA CN113190053A (en) | 2021-05-13 | 2021-05-13 | Dam front water level control system and control device for reservoir physical model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523441.XA CN113190053A (en) | 2021-05-13 | 2021-05-13 | Dam front water level control system and control device for reservoir physical model |
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| CN113190053A true CN113190053A (en) | 2021-07-30 |
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| CN202110523441.XA Pending CN113190053A (en) | 2021-05-13 | 2021-05-13 | Dam front water level control system and control device for reservoir physical model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001795A (en) * | 2021-11-01 | 2022-02-01 | 国网北京市电力公司 | Liquid level monitoring method and device, computer readable medium and processor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915111A (en) * | 1982-07-13 | 1984-01-26 | Hokoku Kogyo Kk | Rising and falling device for dam |
| CN104345696A (en) * | 2013-07-29 | 2015-02-11 | 王启平 | DSP-based reservoir gate control system |
| CN206111516U (en) * | 2016-10-19 | 2017-04-19 | 台州索月电子科技有限公司 | Water pump controller |
| CN206256428U (en) * | 2016-12-16 | 2017-06-16 | 贺州学院 | A kind of small-sized gate opening/closing supervising device |
| CN209590617U (en) * | 2019-06-11 | 2019-11-05 | 上海鼎梧自控科技有限公司 | Universal valve intelligent controller |
-
2021
- 2021-05-13 CN CN202110523441.XA patent/CN113190053A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915111A (en) * | 1982-07-13 | 1984-01-26 | Hokoku Kogyo Kk | Rising and falling device for dam |
| CN104345696A (en) * | 2013-07-29 | 2015-02-11 | 王启平 | DSP-based reservoir gate control system |
| CN206111516U (en) * | 2016-10-19 | 2017-04-19 | 台州索月电子科技有限公司 | Water pump controller |
| CN206256428U (en) * | 2016-12-16 | 2017-06-16 | 贺州学院 | A kind of small-sized gate opening/closing supervising device |
| CN209590617U (en) * | 2019-06-11 | 2019-11-05 | 上海鼎梧自控科技有限公司 | Universal valve intelligent controller |
Non-Patent Citations (1)
| Title |
|---|
| 石自堂: "《水利工程管理》", 武汉水利电力大学出版社, pages: 198 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001795A (en) * | 2021-11-01 | 2022-02-01 | 国网北京市电力公司 | Liquid level monitoring method and device, computer readable medium and processor |
| CN114001795B (en) * | 2021-11-01 | 2023-11-03 | 国网北京市电力公司 | Liquid level monitoring method, liquid level monitoring device, computer readable medium and processor |
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