CN203950211U - A kind of liquid level monitoring device based on wireless transmission - Google Patents

A kind of liquid level monitoring device based on wireless transmission Download PDF

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Publication number
CN203950211U
CN203950211U CN201420365062.8U CN201420365062U CN203950211U CN 203950211 U CN203950211 U CN 203950211U CN 201420365062 U CN201420365062 U CN 201420365062U CN 203950211 U CN203950211 U CN 203950211U
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China
Prior art keywords
circuit
transmitting terminal
receiving end
control module
main control
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Expired - Fee Related
Application number
CN201420365062.8U
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Chinese (zh)
Inventor
郭业才
刘坤
王惠
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Priority to CN201420365062.8U priority Critical patent/CN203950211U/en
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Publication of CN203950211U publication Critical patent/CN203950211U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of liquid level monitoring device based on wireless transmission, this device comprises transmitting terminal and receiving end, and described transmitting terminal comprises transmitting terminal main control module and the transmitting terminal display circuit being connected with transmitting terminal main control module respectively, water filling circuit, temperature collection circuit, water level acquisition circuit, transmitting terminal wireless transmission circuit, key circuit; Described receiving end comprises receiving end main control module, and the receiving end display circuit being connected with receiving end main control module respectively, clock circuit, warning circuit, key circuit, receiving end wireless transmission circuit.The utility model can accurately detect liquid level and water temperature, and is reported to the police and show at remote terminal by wireless transmission method, reminds staff to take in time reply means; In addition, can also control water pump water tower is added to water, and level monitoring variation in time in adding water process, performance safety is reliable, simple to operation, is easy to be extended and applied.

Description

A kind of liquid level monitoring device based on wireless transmission
Technical field
The utility model belongs to Level Control Technology field, especially relates to a kind of level monitoring and control device based on wireless transmission.
Background technology
The size of population of China is very huge, and corresponding, water consumption is also very considerable.In some comparatively backward cities, people people also rest on the manual stage to the measurement of liquid level and control.Water supply at these local tap waters is not round-the-clock water supply, so people can use water tower, water tank Lai Gei family to supply water.At present, water tower/water tank is all to add water by manual control.When water level is not enough, must manually open water pump to water tower water filling, and people can not leaves scene in the injecting process, must at every moment to water level, observe measurement, thereby cause the situation that water overflows to occur in case water level is too high.Therefore, current water level control mode needs people to drop into a lot of energy and times, and it is very inconvenient to operate.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of liquid level monitoring device based on Radio Transmission Technology, can detection display water-temperature water-level, can also realize automatic water filling function.
In order to reach above object, the utility model provides following technical scheme:
A kind of liquid level monitoring device based on wireless transmission, comprise transmitting terminal and receiving end, described transmitting terminal comprises transmitting terminal main control module and the transmitting terminal display circuit being connected with transmitting terminal main control module respectively, water filling circuit, temperature collection circuit, water level acquisition circuit, transmitting terminal wireless transmission circuit, key circuit, described temperature collection circuit gathers water temperature data transmission to transmitting terminal main control module, described water level acquisition circuit gathers liquid level data transmission to transmitting terminal main control module, described transmitting terminal main control module shows the data transmission of acquisition to transmitting terminal display circuit, the switching of solenoid valve in transmitting terminal master control module controls water filling circuit, transmitting terminal main control module is by transmitting terminal wireless transmission circuit and receiving end wireless connections, described receiving end comprises receiving end main control module, and the receiving end display circuit being connected with receiving end main control module respectively, clock circuit, warning circuit, key circuit, receiving end wireless transmission circuit, described receiving end main control module is by receiving end wireless transmission circuit and transmitting terminal wireless connections, receiving end master control module controls warning circuit sends alerting signal, the data transmission that receiving end main control module receives to receiving end display circuit shows, described clock circuit provides time data for receiving end main control module, described transmitting terminal main control module includes single-chip microcomputer and the crystal oscillating circuit being connected with single-chip microcomputer and reset circuit with receiving end main control module.
Further, described transmitting terminal comprises transmitting terminal warning circuit.
Further, described single-chip microcomputer adopts AT89C52, and described crystal oscillating circuit is connected with 18,19 pin of single-chip microcomputer, and described reset circuit is connected with 9 pin of single-chip microcomputer.
Further, described temperature collection circuit comprises temperature sensor DS18B20, and 17 pin of temperature sensor and single-chip microcomputer are connected.
Further, described water level acquisition circuit comprises liquid level sensor HC-SR04, and 12,13 pin of liquid level sensor and single-chip microcomputer are connected.
Further, described transmitting terminal display circuit and receiving end display circuit comprise LCDs LCD1602, and the 4-6 pin of LCDs and the P25-P27 interface of single-chip microcomputer are connected, and the P0O-P07 interface of 7-14 pin and single-chip microcomputer is connected.
Further, described water filling circuit comprises solenoid valve, and described water filling circuit is connected with the P17 interface of single-chip microcomputer.
Further, described warning circuit is connected with 21 pin of single-chip microcomputer.
Beneficial effect:
The utility model can accurately detect liquid level and water temperature, and is reported to the police and show at remote terminal by wireless transmission method, reminds staff to take in time reply means; In addition, this device can also be controlled water pump water tower is added to water, and level monitoring variation in time in adding water process, and performance safety is reliable, simple to operation, is easy to be extended and applied.
Accompanying drawing explanation
Fig. 1 is the liquid level monitoring device structured flowchart based on wireless transmission;
Fig. 2 is single chip computer AT 89C52 pinouts;
Fig. 3 is crystal oscillating circuit schematic diagram;
Fig. 4 is reset circuit schematic diagram;
Fig. 5 is temperature collection circuit schematic diagram;
Fig. 6 is water level acquisition circuit theory diagrams;
Fig. 7 is display circuit schematic diagram;
Fig. 8 is wireless transmission circuit schematic diagram;
Fig. 9 is water filling circuit theory diagrams;
Figure 10 is warning circuit schematic diagram;
Figure 11 is clock circuit schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric center.
The liquid level monitoring device based on wireless transmission as shown in Figure 1, comprise transmitting terminal and receiving end, described transmitting terminal comprises transmitting terminal main control module, transmitting terminal display circuit, water filling circuit, temperature collection circuit, water level acquisition circuit, transmitting terminal wireless transmission circuit, key circuit.Wherein, transmitting terminal display circuit, water filling circuit, temperature collection circuit, water level acquisition circuit, transmitting terminal wireless transmission circuit, key circuit are connected with transmitting terminal main control module respectively.Receiving end comprises receiving end main control module, receiving end display circuit, clock circuit, warning circuit, key circuit, receiving end wireless transmission circuit, wherein, receiving end display circuit, clock circuit, warning circuit, key circuit, receiving end wireless transmission circuit are connected with receiving end main control module respectively.Transmitting terminal main control module includes single-chip microcomputer and the crystal oscillating circuit being connected with single-chip microcomputer and reset circuit with receiving end main control module.Transmitting terminal main control module and receiving end main control module are by Power supply.
Specifically, as shown in Figure 2, the utility model preferably adopts single chip computer AT 89C52, with low cost, and cost performance is high.Crystal oscillating circuit figure as shown in Figure 3, is connected with 18,19 pin of single chip computer AT 89C52.Reset circuit figure as shown in Figure 4, is connected with 9 pin of single-chip microcomputer.As shown in Figure 5, temperature collection circuit comprises temperature sensor DS18B20, and 17 pin of DS18B20 and single-chip microcomputer are connected, for gathering water temperature data and sending data to transmitting terminal main control module.As shown in Figure 6, water level acquisition circuit comprises liquid level sensor HC-SR04, and 12,13 pin of HC-SR04 and single-chip microcomputer are connected, for gathering liquid level data transmission to transmitting terminal main control module.As shown in Figure 7, transmitting terminal display circuit is identical with receiving end display circuit, includes LCDs LCD1602, and the P25-P27 interface of its 4-6 pin and single chip computer AT 89C52 is connected, and the P0O-P07 interface of 7-14 pin and single-chip microcomputer is connected.As shown in Figure 8, transmitting terminal wireless transmission circuit is identical with receiving end wireless transmission circuit, includes wireless transmission chip NRF24l01, and 4,6,8,7,5,3 pin of NRF24l01 are connected with the P10-P15 of the AT89C52 of single-chip microcomputer respectively.Fig. 9 is water filling circuit connection diagram, and comprising the solenoid valve of controlling the switching of water tower/water tank water filling water pump, the P17 interface of water filling circuit and single-chip microcomputer is connected, for controlling the opening and closing of water filling.Figure 10 is warning circuit connection diagram, and this circuit is to be connected with 21 pin of single-chip microcomputer, and when water level is during higher than maximal value and region minimum value, chimes of doom is sent in the operation of receiving end master control module controls warning circuit.Key circuit is used for realizing man-machine interaction.Figure 11 is clock circuit connection diagram, and the P20-P22 interface of clock circuit and single-chip microcomputer is connected, and is used for providing time showing for single-chip microcomputer.
Principle of work of the present utility model is as follows: temperature collection circuit and water level acquisition circuit transfer in transmitting terminal main control module after gathering respectively the temperature of water body and liquid level data, transmitting terminal main control module is shown these data by transmitting terminal display circuit, transmitting terminal main control module transfers to receiving end by these data by transmitting terminal wireless transmission circuit simultaneously, receiving end main control module receives after the related data of water tower/water tank by receiving end wireless transmission circuit, transferring to receiving end display circuit is shown, in receiving end main control module, preset water level upper and lower bound value, when height of water level surpasses higher limit or during lower than lower limit, receiving end master control module controls warning circuit sends alerting signal, remind staff to take in time reply means.Staff receives the report for police service after signal can carry out water flood operations, by receiving end main control module transmitted signal, through receiving end wireless transmission circuit and transmitting terminal wireless transmission circuit, be sent in transmitting terminal main control module, transmitting terminal master control module controls water filling circuit solenoid valve is opened, controlling water filling water pump opens, improve water tower/water tank level height, in the injecting process, by receiving end display circuit staff, can constantly pay close attention to height of water level, and stop in time, if staff's negligence of operation fails to close in time water while causing height of water level to surpass higher limit, warning circuit can also send in time alarm sound and remind staff to stop adding water.At transmitting terminal, also can directly to transmitting terminal main control module, send instruction, control water filling circuit and add water in water tower/water tank, in adding water process, by transmitting terminal display circuit, height of water level be observed.Further, transmitting terminal also can connect warning circuit, at transmitting terminal, reports to the police, and is convenient to remind the staff on duty of water tower/water tank place.In transmitting terminal main control module, also can preset water level upper and lower bound value, the waterlevel data collecting when water level acquisition circuit surpasses the upper limit or prescribes a time limit lower than lower, and transmitting terminal master control module controls transmitting terminal warning circuit carries out alarm.Transmitting terminal main control module also can drop to water level lower limit when following in liquid level, and control voluntarily water filling circuit and add water, and in liquid level, rise to water level higher limit and automatically stop water filling when above, thus the auto-control of liquid level.
In receiving end main control module, also can preset water temperature high alarm setting value, during excess Temperature in water tower/water tank (being conventionally exposed to the sun through aestivate), warning circuit sends alerting signal, and staff also can control water filling circuit and carry out water filling, to reduce the water temperature in water tower/water tank.To sum up, by this liquid level monitoring device, can realize respectively at the scene the adjusting of water level, water temperature with remote terminal, control method is versatile and flexible, is easy to be extended and applied.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned embodiment, also comprises the technical scheme being comprised of above technical characterictic combination in any.It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.

Claims (7)

1. the liquid level monitoring device based on wireless transmission, it is characterized in that: comprise transmitting terminal and receiving end, described transmitting terminal comprises transmitting terminal main control module and the transmitting terminal display circuit being connected with transmitting terminal main control module respectively, water filling circuit, temperature collection circuit, water level acquisition circuit, transmitting terminal wireless transmission circuit, key circuit, described temperature collection circuit gathers water temperature data transmission to transmitting terminal main control module, described water level acquisition circuit gathers liquid level data transmission to transmitting terminal main control module, described transmitting terminal main control module shows the data transmission of acquisition to transmitting terminal display circuit, the switching of solenoid valve in transmitting terminal master control module controls water filling circuit, transmitting terminal main control module is by transmitting terminal wireless transmission circuit and receiving end wireless connections, described receiving end comprises receiving end main control module, and the receiving end display circuit being connected with receiving end main control module respectively, clock circuit, warning circuit, key circuit, receiving end wireless transmission circuit, described receiving end main control module is by receiving end wireless transmission circuit and transmitting terminal wireless connections, receiving end master control module controls warning circuit sends alerting signal, the data transmission that receiving end main control module receives to receiving end display circuit shows, described clock circuit provides time data for receiving end main control module, described transmitting terminal main control module includes single-chip microcomputer and the crystal oscillating circuit being connected with single-chip microcomputer and reset circuit with receiving end main control module.
2. the liquid level monitoring device based on wireless transmission according to claim 1, is characterized in that: described single-chip microcomputer adopts AT89C52, and described crystal oscillating circuit is connected with 18,19 pin of single-chip microcomputer, and described reset circuit is connected with 9 pin of single-chip microcomputer.
3. the liquid level monitoring device based on wireless transmission according to claim 2, is characterized in that: described temperature collection circuit comprises temperature sensor DS18B20, and 17 pin of temperature sensor and single-chip microcomputer are connected.
4. the liquid level monitoring device based on wireless transmission according to claim 2, is characterized in that: described water level acquisition circuit comprises liquid level sensor HC-SR04, and 12,13 pin of liquid level sensor and single-chip microcomputer are connected.
5. the liquid level monitoring device based on wireless transmission according to claim 2, it is characterized in that: described transmitting terminal display circuit and receiving end display circuit comprise LCDs LCD1602, the 4-6 pin of LCDs and the P25-P27 interface of single-chip microcomputer are connected, and the P0O-P07 interface of 7-14 pin and single-chip microcomputer is connected.
6. the liquid level monitoring device based on wireless transmission according to claim 2, is characterized in that: described water filling circuit comprises solenoid valve, and described water filling circuit is connected with the P17 interface of single-chip microcomputer.
7. the liquid level monitoring device based on wireless transmission according to claim 2, is characterized in that: described warning circuit is connected with 21 pin of single-chip microcomputer.
CN201420365062.8U 2014-07-03 2014-07-03 A kind of liquid level monitoring device based on wireless transmission Expired - Fee Related CN203950211U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420365062.8U CN203950211U (en) 2014-07-03 2014-07-03 A kind of liquid level monitoring device based on wireless transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420365062.8U CN203950211U (en) 2014-07-03 2014-07-03 A kind of liquid level monitoring device based on wireless transmission

Publications (1)

Publication Number Publication Date
CN203950211U true CN203950211U (en) 2014-11-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105784069A (en) * 2016-03-29 2016-07-20 南京工程学院 Large liquid storage tank liquid level measuring device based on wireless transmission
CN107045777A (en) * 2017-04-13 2017-08-15 沈阳师范大学 Wifi radio alarmings digital display meter and data transfer analytic method based on ESP8266
CN107754053A (en) * 2016-08-19 2018-03-06 国泰医疗财团法人国泰综合医院 Active induction type drop height alarm

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105784069A (en) * 2016-03-29 2016-07-20 南京工程学院 Large liquid storage tank liquid level measuring device based on wireless transmission
CN107754053A (en) * 2016-08-19 2018-03-06 国泰医疗财团法人国泰综合医院 Active induction type drop height alarm
CN107045777A (en) * 2017-04-13 2017-08-15 沈阳师范大学 Wifi radio alarmings digital display meter and data transfer analytic method based on ESP8266

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141119

Termination date: 20160703