CN204515549U - The control system of water tower level - Google Patents

The control system of water tower level Download PDF

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Publication number
CN204515549U
CN204515549U CN201520190336.9U CN201520190336U CN204515549U CN 204515549 U CN204515549 U CN 204515549U CN 201520190336 U CN201520190336 U CN 201520190336U CN 204515549 U CN204515549 U CN 204515549U
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CN
China
Prior art keywords
water
tower
level
water tower
water pump
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Expired - Fee Related
Application number
CN201520190336.9U
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Chinese (zh)
Inventor
惠飞
豆瑶
曹继英
孟强
雷敬祥
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Changan University
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Changan University
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Priority to CN201520190336.9U priority Critical patent/CN204515549U/en
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Publication of CN204515549U publication Critical patent/CN204515549U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

The control system of a kind of water tower level of the utility model, comprises water tower, aqueduct, water pump, water level detecting and control device and stainless steel water tank; Described water pump comprises draining water pump and upper water water pump, respectively with water tower bottom and the cross current at top; Described water level detecting and control device comprise the single-chip microcomputer, ultrasonic sensor, WiFi transceiver module, liquid crystal display, hummer, relay and the keyboard that are provided with ROM storer; Ultrasonic sensor, WiFi transceiver module, liquid crystal display, hummer, relay, keyboard are all electrically connected with described single-chip microcomputer; Described ultrasonic sensor is arranged on the top of water tower; WiFi transceiver module can with intelligent terminal wireless connections; Described water level detecting and control device are electrically connected with water pump by relay, and described water tower can be connected with sun power.This system makes staff monitor the height of water tower level more efficiently, and anti-interference is better, and precision is higher, and real-time is better, can better using water wisely.

Description

Control system for water level of water tower
Technical Field
The utility model belongs to the technical field of automatic control device, in particular to control system of water tower water level.
Background
At present, the tap water supply system of the building in the residential district of China mainly adopts high tower water supply, namely, a reservoir is built on the top of the building or the high tower to ensure the constancy of the water pressure of a user. In order to meet the automatic control requirement of the water level of the water tower and reduce the waste of water resources, a water level detection and automatic control device of the water tower is needed.
The water tower level detecting and controlling device in the prior art mainly utilizes a water pressure sensor to detect the water level height, converts the water level height into digital information through an A/D (analog/digital) converter and controls signals of a water pump switch or controls water storage through timing control, and the main defect of the control system is that the water level of the water tower cannot be detected in real time due to too low water level monitoring precision, so that the high and low water level values of the water tower cannot be changed conveniently according to actual needs. Especially, in some small-area water towers, when the water level is reduced to a certain degree, the water pressure of the current water tower is too low, the water pressure sensor cannot accurately reflect the height of the current water level, so that the normal water use of residents can be influenced, and water-using electric appliances (such as a water heater and a washing machine) cannot be normally used.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides a control system of water tower water level, this system make the height of the more swift monitoring water tower water level of staff, not only interference immunity is better, and the precision is higher, and the real-time is better, but also abundant using water wisely.
The utility model discloses a realize through following technical scheme:
a control system for the water level of a water tower comprises the water tower, a water pump and a water level detection and control device;
the water pump comprises a drainage water pump and a water feeding water pump which are respectively communicated with a water outlet pipe and a water inlet pipe of the water tower;
the water level detection and control device comprises a singlechip provided with a ROM, an ultrasonic sensor, a WiFi transceiving module, a liquid crystal display, a buzzer, a relay and a keyboard; the ultrasonic sensor, the WiFi transceiving module, the liquid crystal display, the buzzer, the relay and the keyboard are all electrically connected with the single chip microcomputer; wherein,
the ultrasonic sensor is arranged at the top of the water tower; the WiFi receiving and sending module can be in wireless connection with the intelligent terminal;
the water level detection and control device is electrically connected with the water pump through a relay.
As a further improvement of the utility model, the single chip microcomputer model is AT89S 52.
As a further improvement of the present invention, the number of the ultrasonic sensors is two.
As a further improvement of the utility model, the water-saving device also comprises a stainless steel water tank which is communicated with a water outlet of the drainage water pump through a water conduit; the water outlet of the stainless steel water tank is communicated with the water inlet of the water feeding water pump.
As a further improvement of the utility model, the solar water heater is also included and is connected with a water storage tank in the water tower; the water storage tank is provided with a heat insulation layer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model uses the ultrasonic sensor as a means for detecting signals, automatically monitors the water level, displays the actual water level, and can send out an alarm to adjust the water level to a proper height when the water level of the water tower is higher or lower than a preset value; the information is sent to a mobile phone client in real time through a WiFi wireless module, so that the water tower level information can be continuously measured in real time, and the water tower level information can be displayed in real time; the information of the water level of the water tower can be sent to the mobile phone client in real time, so that the staff can monitor the information of the water level of the water tower more conveniently and monitor the height of the water level of the water tower more quickly. The device has the advantages of good real-time performance, convenient installation, high precision and good sensitivity, and is an ideal device for controlling the water level of the water tower. The utility model discloses measure water tower water level scope wider, the measured value can audio-visual reading out. The utility model discloses can change the highest and minimum water level information of preset in the water tower through the button, take effect through the parameter modification, need not to change other hardware facilities, convenient operation. The utility model discloses the precision and the real-time of improvement water tower water level detection that can be very big guarantee high floor resident's normal water problem.
Furthermore, for more accurate calibration of the actual position of the water level, two ultrasonic sensors are provided, and calculation and comparison are performed simultaneously, so that an average value can be obtained, more real feedback data can be obtained, and accurate data can be provided for later control.
Further, when the water level of the water tower is higher than a preset value, the discharged water is stored in the stainless steel water tank, and the purpose of saving water can be fully achieved.
Furthermore, the water tower is connected with the solar water heater, so that natural resources of solar energy can be fully utilized, water in the water tower is heated, hot water is provided for users, and the phenomenon of freezing in winter is prevented from affecting the measurement of the water level.
Drawings
FIG. 1 is a schematic diagram of a control system for water tower levels.
Fig. 2 is a circuit block diagram of the water level detecting and controlling apparatus.
FIG. 3 is a flow chart of water tower level detection control.
Description of reference numerals:
1-a water tower; 2-a water conduit; 3, a water pump; 4-water level detection and control device; 5, a stainless steel water tank; 6-solar water heater; 41-a keyboard; 42-a buzzer; 43-a relay; 44-liquid crystal display; 45-ultrasonic sensors; 46-WiFi wireless module.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a water tower level control system comprises a water tower 1, a water conduit 2, a water pump 3, a water level detection and control device 4 and a stainless steel water tank 5; the water pump 3 comprises a drainage water pump and a water feeding water pump which are respectively communicated with a water outlet pipe and a water inlet pipe at the bottom and the top of the water tower 1, and the water guide pipe 2 is also communicated with the stainless steel water tank; wherein, the water level detection and control device 4 comprises a singlechip 40 provided with a ROM memory, an ultrasonic sensor 45, a WiFi transceiving module 46, a liquid crystal display 44, a buzzer 42, a relay 43, a keyboard 41 and the like; the ultrasonic sensor 45, the WiFi transceiving module 46, the liquid crystal display 44, the buzzer 42, the relay 43 and the keyboard 41 are all electrically connected with the singlechip 40. Ultrasonic sensor 45 installs at the top of water tower 1, and ultrasonic sensor 45's probe sets up with water tower 1 storage water tank top edge parallel and level. The utility model discloses a water level detection and controlling means 4 is connected with 3 electricity of water pump through relay 43, and the control water pump is opened and is closed. Different relays can be selected according to the requirements of the water pump power supply. The singlechip 40 is of an AT89S52 type.
For more accurate water level control, the ultrasonic sensor 45 may be provided in plurality, and disposed at different positions on the top of the water tower 1, so as to comprehensively and accurately detect the water level.
In order to save water, the utility model also comprises a stainless steel water tank 5, the stainless steel water tank 5 is communicated with the water outlet of the drainage water pump through a water conduit 2; the water outlet of the stainless steel water tank 5 is communicated with the water inlet of the water feeding water pump.
In order to prevent the phenomenon of icing in winter from influencing the water level measurement, the solar water heater 6 is also included, and the solar water heater 6 is connected with a water storage tank in the water tower 1; the water storage tank is provided with a heat insulation layer. And simultaneously, hot water can be provided for users.
As shown in fig. 2, the basic principle of the liquid level detection of the ultrasonic sensor 45 is to determine the liquid level distance using the ultrasonic propagation time and propagation speed. The utility model discloses an ultrasonic sensor of market conventionality, its mode that adopts the reflective, ultrasonic sensor 45 transmission ultrasonic wave, ultrasonic wave is reflected back after meetting the liquid level, and ultrasonic receiving probe receives the ultrasonic wave. The height of the actual liquid level can be determined by using the relation between the ultrasonic transmission distance and the time. The formula for ranging is expressed as: l ═ cxt, where L is the measured distance length; c is the propagation speed of the ultrasonic wave in the air; t is the time difference of the measured range propagation (T is half the value of the transmit-to-receive time).
WiFi wireless module 46 principle of operation: the singlechip 40 in the device is used as a control end and is communicated with the WiFi wireless module 46 through a serial port of an RS232 communication interface. Uart-WiFi is an embedded module which is based on an RS232 interface and accords with WiFi wireless network standards, a wireless network protocol IEEE802.11 protocol stack and a TCP/IP protocol stack are built in the Uart-WiFi, and conversion from user serial port data to a wireless network can be achieved. Through the Uart-WiFi module, the traditional serial port equipment can also be easily accessed into a wireless network, a serial port transparent data transmission mode is comprehensively supported, and plug and play of the serial port is really realized.
As shown in figure 3, the water level detection and control principle of the water tower is that after the electric shock initialization, the utility model takes the single chip microcomputer 40 as the core of the water level control system of the water tower, the upper limit value and the lower limit value of the calibrated water level are set by the keyboard 41, the height of the water level is collected by the ultrasonic sensor 45, and then the height is compared with the calibrated water level. And compared with the preset value, the singlechip 40 controls the on-off of the switch of the relay 43 to adjust the liquid level, and finally the preset value of the liquid level is reached. If the detection value is higher than the upper limit set value, the buzzer 42 is required to give an alarm, the drainage water pump is started, and water is discharged into the stainless steel water tank 5; if the detection value is lower than the lower limit set value, the buzzer 42 is required to give an alarm, and the water feeding pump is started. The measured value is displayed in real time through the liquid crystal display 41 on site, so that the water level of the water tower is monitored. Repeating the three steps of measuring, comparing and starting until the deviation of the measured water level and the calibrated water level falls within a given precision range. After falling within the given accuracy range, both water pumps are shut down simultaneously. Meanwhile, the WiFi wireless module 46 is arranged in the system, so that a detector can conveniently monitor data wirelessly through an intelligent terminal (a mobile phone, a tablet personal computer and the like) after keeping away from a detection display area, the cost is saved, and the working flexibility is improved. Meanwhile, the solar water heater 6 heats water in the water tower, so that hot water is always supplied to a user, the temperature of the water in the water tower is ensured, and errors caused by icing phenomenon during water level monitoring are ensured.

Claims (5)

1. A control system for the water level of a water tower is characterized by comprising the water tower (1), a water pump (3) and a water level detection and control device (4);
the water pump (3) comprises a drainage water pump and a water feeding water pump which are respectively communicated with a water outlet pipe and a water inlet pipe of the water tower (1);
the water level detection and control device (4) comprises a singlechip (40) provided with a ROM (read only memory), an ultrasonic sensor (45), a WiFi (wireless fidelity) transceiver module (46), a liquid crystal display (44), a buzzer (42), a relay (43) and a keyboard (41); the ultrasonic sensor (45), the WiFi transceiving module (46), the liquid crystal display (44), the buzzer (42), the relay (43) and the keyboard (41) are all electrically connected with the single chip microcomputer (40); wherein,
the ultrasonic sensor (45) is arranged at the top of the water tower (1); the WiFi transceiving module (46) can be in wireless connection with the intelligent terminal;
the water level detection and control device (4) is electrically connected with the water pump (3) through a relay (43).
2. The control system of water tower level according to claim 1, wherein said single chip microcomputer (40) is AT89S52 model.
3. A control system for the water tower level according to claim 1, wherein said ultrasonic sensors (45) are two in number.
4. The control system of the water level of the water tower according to claim 1, further comprising a stainless steel water tank (5), wherein the stainless steel water tank (5) is communicated with the water outlet of the drainage water pump through a water conduit (2); the water outlet of the stainless steel water tank (5) is communicated with the water inlet of the water feeding water pump.
5. The control system of the water level of the water tower according to claim 1, further comprising a solar water heater (6), wherein the solar water heater (6) is connected with a water storage tank in the water tower (1); the water storage tank is provided with a heat insulation layer.
CN201520190336.9U 2015-03-31 2015-03-31 The control system of water tower level Expired - Fee Related CN204515549U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520190336.9U CN204515549U (en) 2015-03-31 2015-03-31 The control system of water tower level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520190336.9U CN204515549U (en) 2015-03-31 2015-03-31 The control system of water tower level

Publications (1)

Publication Number Publication Date
CN204515549U true CN204515549U (en) 2015-07-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111367210A (en) * 2020-03-19 2020-07-03 上海电子信息职业技术学院 Embedded intelligent liquid level detection control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111367210A (en) * 2020-03-19 2020-07-03 上海电子信息职业技术学院 Embedded intelligent liquid level detection control system

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150729

Termination date: 20160331