CN209784793U - material delivery pump energy-saving control device - Google Patents
material delivery pump energy-saving control device Download PDFInfo
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- CN209784793U CN209784793U CN201920742895.4U CN201920742895U CN209784793U CN 209784793 U CN209784793 U CN 209784793U CN 201920742895 U CN201920742895 U CN 201920742895U CN 209784793 U CN209784793 U CN 209784793U
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- flow sensor
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Abstract
The utility model relates to an energy-saving control device of a material transfer pump, belonging to the technical field of energy-saving control devices of material transfer pumps; the technical problem to be solved is as follows: the improvement of the hardware structure of the energy-saving control device of the material conveying pump is provided; the technical scheme for solving the technical problem is as follows: the device comprises a central controller, wherein the control end of the central controller is respectively connected with a first material pump and a second material pump; a discharge hole of the first material pump is provided with a first outlet valve, and a discharge pipe connected with the first material pump is also provided with a first flow sensor; a discharge hole of the second material pump is provided with a second outlet valve, and a discharge pipe connected with the second material pump is also provided with a second flow sensor; the tail ends of the discharge pipes of the first material pump and the second material pump are connected with a main pipe, and a third flow sensor is arranged on the main pipe; the signal output end of the central controller is respectively connected with the first outlet valve and the second outlet valve; the utility model discloses the material delivery pump is applied to in the installation.
Description
Technical Field
The utility model relates to a material delivery pump energy-saving control device belongs to material delivery pump energy-saving control device technical field.
Background
In continuous industrial production, in order to avoid interruption of the whole process flow caused by the failure of a single material conveying pump, two material conveying pumps of the same type are usually designed to be opened one by one or three devices of the same type are usually opened one by one, so that one material pump is always in a standby idle state, and other material pumps run at full load and high rotating speed; however, such a system design also has drawbacks: firstly, the spare material pump is idle underutilized, secondly the long term load of material pump of operation, high rotational speed operation, can shorten life, make the fault rate more and more high, and thirdly the main pump switches the real-time poor with the stand-by pump, because there is not complete pump work feedback mechanism, is unfavorable for entire system's long-term steady operation, and fourthly many material pump work energy consumption height.
In the prior art, two material pumps with the same or similar types and numbers are provided, the two pumps are connected in parallel for output, when the first material pump runs at a full load and high frequency, materials are conveyed outwards, the second material pump is in a stop standby state, the two devices are mutually independent, a work feedback mechanism cannot be established between the two devices, and a control system needs to be improved.
SUMMERY OF THE UTILITY MODEL
the utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the energy-saving control device of the material conveying pump is provided.
in order to solve the technical problem, the utility model discloses a technical scheme be: the energy-saving control device for the material conveying pump comprises a central controller, wherein a control end of the central controller is respectively connected with a first material pump and a second material pump;
A discharge hole of the first material pump is provided with a first outlet valve, and a discharge pipe connected with the first material pump is also provided with a first flow sensor;
A discharge hole of the second material pump is provided with a second outlet valve, and a discharge pipe connected with the second material pump is also provided with a second flow sensor;
the tail ends of the discharge pipes of the first material pump and the second material pump are connected with a main pipe, and a third flow sensor is arranged on the main pipe;
The signal output end of the central controller is respectively connected with the first outlet valve and the second outlet valve;
the signal input end of the central controller is respectively connected with the first flow sensor, the second flow sensor and the third flow sensor;
the chip used by the central controller is a control chip U1, and the circuit structure of the central controller is as follows:
a pin 19 of the control chip U1 is connected with one end of a crystal oscillator X1 in parallel and then connected with one end of a capacitor C1, a pin 18 of the control chip U1 is connected with the other end of a crystal oscillator X1 in parallel and then connected with one end of a capacitor C2, and the other end of the capacitor C1 is connected with the other end of a capacitor C2 in parallel and then grounded;
a pin 9 of the control chip U1 is connected with one end of a capacitor C3 in parallel and then connected with one end of a reset switch KA1, a pin 31 of the control chip U1 is connected with the other end of a capacitor C3 in parallel, one end of a resistor R3 is connected with a VCC input power supply in parallel, and the other end of the resistor R3 is connected with the other end of the reset switch KA 1;
pins 10 and 11 of the control chip U1 are connected with the LED display screen;
the pins 21, 22 and 23 of the control chip U1 are connected with a control keyboard;
the pins 32, 33, 34, 35, 36, 37, 38 and 39 of the control chip U1 are connected with the control end of the outlet valve;
the pin 1, the pin 2 and the pin 3 of the control chip U1 are respectively connected with the control end of the material pump;
the pins 24, 25, 26, 27 and 28 of the control chip U1 are connected with the signal output end of the flow sensor.
The model of the control chip U1 is AT89C 51.
the utility model discloses beneficial effect for prior art possesses does: the utility model discloses a take joint control to two material pumps, the availability factor of reserve material pump has been improved, can avoid the main pump to move for a long time, reduce the system fault rate, many branch roads output equivalent material, the electric quantity of consumption is lower, the activestandby pump switches the sensitivity, high reliability, production stability is better, the idle problem of reserve material pump has been solved, the life of activestandby pump has been prolonged, the activestandby pump switches the real-time good according to the control feedback of system, be favorable to entire system's steady operation, the lower electric quantity of material consumption of messenger's output same flow.
drawings
the present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a circuit diagram of the central controller of the present invention;
in the figure: the system comprises a central controller 1, a first material pump 2, a second material pump 3, a first outlet valve 4, a first flow sensor 5, a second outlet valve 6, a second flow sensor 7 and a third flow sensor 8.
Detailed Description
as shown in fig. 1 and 2, the energy-saving control device for a material transfer pump of the present invention comprises a central controller 1, wherein a control end of the central controller 1 is connected to a first material pump 2 and a second material pump 3 respectively;
a discharge hole of the first material pump 2 is provided with a first outlet valve 4, and a discharge pipe connected with the first material pump 2 is also provided with a first flow sensor 5;
A discharge hole of the second material pump 3 is provided with a second outlet valve 6, and a discharge pipe connected with the second material pump 3 is also provided with a second flow sensor 7;
The tail ends of the discharge pipes of the first material pump 2 and the second material pump 3 are connected with a main pipe, and a third flow sensor 8 is arranged on the main pipe;
The signal output end of the central controller 1 is respectively connected with a first outlet valve 4 and a second outlet valve 6;
The signal input end of the central controller 1 is respectively connected with a first flow sensor 5, a second flow sensor 7 and a third flow sensor 8;
the chip used by the central controller 1 is a control chip U1, and the circuit structure of the central controller 1 is as follows:
A pin 19 of the control chip U1 is connected with one end of a crystal oscillator X1 in parallel and then connected with one end of a capacitor C1, a pin 18 of the control chip U1 is connected with the other end of a crystal oscillator X1 in parallel and then connected with one end of a capacitor C2, and the other end of the capacitor C1 is connected with the other end of a capacitor C2 in parallel and then grounded;
A pin 9 of the control chip U1 is connected with one end of a capacitor C3 in parallel and then connected with one end of a reset switch KA1, a pin 31 of the control chip U1 is connected with the other end of a capacitor C3 in parallel, one end of a resistor R3 is connected with a VCC input power supply in parallel, and the other end of the resistor R3 is connected with the other end of the reset switch KA 1;
Pins 10 and 11 of the control chip U1 are connected with the LED display screen;
the pins 21, 22 and 23 of the control chip U1 are connected with a control keyboard;
the pins 32, 33, 34, 35, 36, 37, 38 and 39 of the control chip U1 are connected with the control end of the outlet valve;
the pin 1, the pin 2 and the pin 3 of the control chip U1 are respectively connected with the control end of the material pump;
The pins 24, 25, 26, 27 and 28 of the control chip U1 are connected with the signal output end of the flow sensor.
the model of the control chip U1 is AT89C 51.
the utility model can simultaneously control the two material pumps to operate coordinately by adding the control system, so that the first material pump and the second material pump are started simultaneously and are both maintained in a low-frequency operation state, and materials are conveyed outwards simultaneously; a first flow sensor in the system monitors the output flow of a first material pump in real time, a second flow sensor monitors the output flow of a second material pump in real time, and a third flow sensor monitors the output flow of a main pipe in real time; the central controller can simultaneously control the opening and closing of the first outlet valve and the second outlet valve to realize the adjustment of the discharge flow of the corresponding material pump, can send corresponding control signals to the outlet valves and simultaneously can receive working feedback signals sent back by the corresponding material pumps, and can control the corresponding material pumps to adjust the operation frequency and the size of the valve outlet port by receiving the corresponding flow feedback signals.
When the first material pump fails, the central controller automatically controls the first material pump to reduce the working frequency according to the change of data collected by the first flow sensor and the third flow sensor, improves the working frequency of the second material pump, and meets the requirement that the total quantity of the material flow collected by the third flow sensor before the failure is unchanged.
similarly, when the second material pump is abnormal or fails in operation, the central controller controls the second material pump to reduce the working frequency or control the machine to stop according to the change of the data collected by the second flow sensor and the third flow sensor, improves the control frequency of the first material pump, and meets the requirement that the total quantity of the material flow collected by the third flow sensor before the failure is unchanged.
according to an electric power design manual formula, the flow rate and the rotating speed of the centrifugal pump are in a direct proportional relation, and the power and the cubic power of the flow rate are in a proportional relation; namely: when the flow rate is controlled by the rotation speed, the required power is greatly reduced approximately to the third power of the flow rate.
According to engineering experience, when a pipeline system characteristic curve with large water consumption is flat and slow, the flow rate of the pipeline system can be approximately considered to be multiplied by the flow rate of a single pump when the two pumps run in parallel; when a first material pump is used for conveying 1 cubic unit of material, 1 unit of electric quantity is needed, if two material pumps are simultaneously operated at low frequency, the first material pump and the second material pump can meet the previous working condition by respectively outputting 0.5 cubic materials, the total electric consumption at the moment is 0.5^3+0.5^3=0.25, the energy consumption is greatly reduced, and especially when a single material pump is close to power frequency and cannot save energy, the method has more obvious electricity-saving effect.
The utility model discloses a central controller realizes the control to material pump work based on single chip microcomputer control PWM direct current motor speed governing, and central controller uses AT89C51 singlechip as the core, uses direct current motor as the control object, uses L298N as the H bridge drive chip and realizes the rotational speed feedback control of motor; the PWM duty ratio is adjusted so as to control the voltage at two ends of the material pump motor, so that the purpose of speed regulation is achieved; the controller chip supports inputting relevant control signals and parameters by using a 4X 4 keyboard, and displays the current operating parameters of the material pump on an LED display screen in real time; the whole system realizes the effect of controlling the starting and braking and the speed adjustment of the material pump by the single chip microcomputer and meets the requirement of the coordinated operation of a plurality of material pumps.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (2)
1. the utility model provides a material delivery pump energy-saving control device which characterized in that: the device comprises a central controller (1), wherein the control end of the central controller (1) is respectively connected with a first material pump (2) and a second material pump (3);
a discharge hole of the first material pump (2) is provided with a first outlet valve (4), and a discharge pipe connected with the first material pump (2) is also provided with a first flow sensor (5);
a second outlet valve (6) is arranged at a discharge hole of the second material pump (3), and a second flow sensor (7) is also arranged on a discharge pipe connected with the second material pump (3);
the tail ends of the discharge pipes of the first material pump (2) and the second material pump (3) are connected with a main pipe, and a third flow sensor (8) is arranged on the main pipe;
the signal output end of the central controller (1) is respectively connected with the first outlet valve (4) and the second outlet valve (6);
The signal input end of the central controller (1) is respectively connected with a first flow sensor (5), a second flow sensor (7) and a third flow sensor (8);
the chip used by the central controller (1) is a control chip U1, and the circuit structure of the central controller (1) is as follows:
a pin 19 of the control chip U1 is connected with one end of a crystal oscillator X1 in parallel and then connected with one end of a capacitor C1, a pin 18 of the control chip U1 is connected with the other end of a crystal oscillator X1 in parallel and then connected with one end of a capacitor C2, and the other end of the capacitor C1 is connected with the other end of a capacitor C2 in parallel and then grounded;
A pin 9 of the control chip U1 is connected with one end of a capacitor C3 in parallel and then connected with one end of a reset switch KA1, a pin 31 of the control chip U1 is connected with the other end of a capacitor C3 in parallel, one end of a resistor R3 is connected with a VCC input power supply in parallel, and the other end of the resistor R3 is connected with the other end of the reset switch KA 1;
pins 10 and 11 of the control chip U1 are connected with the LED display screen;
the pins 21, 22 and 23 of the control chip U1 are connected with a control keyboard;
the pins 32, 33, 34, 35, 36, 37, 38 and 39 of the control chip U1 are connected with the control end of the outlet valve;
The pin 1, the pin 2 and the pin 3 of the control chip U1 are respectively connected with the control end of the material pump;
The pins 24, 25, 26, 27 and 28 of the control chip U1 are connected with the signal output end of the flow sensor.
2. The energy-saving control device for the material conveying pump according to claim 1, characterized in that: the model of the control chip U1 is AT89C 51.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920742895.4U CN209784793U (en) | 2019-05-22 | 2019-05-22 | material delivery pump energy-saving control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920742895.4U CN209784793U (en) | 2019-05-22 | 2019-05-22 | material delivery pump energy-saving control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209784793U true CN209784793U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920742895.4U Active CN209784793U (en) | 2019-05-22 | 2019-05-22 | material delivery pump energy-saving control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209784793U (en) |
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2019
- 2019-05-22 CN CN201920742895.4U patent/CN209784793U/en active Active
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