CN202939510U - Liquid level data acquisition and wireless remote control system for water storage tank - Google Patents
Liquid level data acquisition and wireless remote control system for water storage tank Download PDFInfo
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- CN202939510U CN202939510U CN2012206527537U CN201220652753U CN202939510U CN 202939510 U CN202939510 U CN 202939510U CN 2012206527537 U CN2012206527537 U CN 2012206527537U CN 201220652753 U CN201220652753 U CN 201220652753U CN 202939510 U CN202939510 U CN 202939510U
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- liquid level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Provided is a liquid level data acquisition and wireless remote control system for a water storage tank. The problem mainly solved is that the prior float-type liquid level detecting device for a water tower is not high in accuracy and reliability and do not have the function of remote control. The liquid level data acquisition and wireless remote control system is characterized in that a lower computer and an upper computer are STC89S52 single chip microcomputers; an APC250 wireless transceiver module is connected to a data channel between the lower computer and the upper computer; the lower computer is externally connected with a liquid level transmitter, an A/D converter, a digital display and a water storage tank pump driving circuit; analog signals output by the liquid level transmitter is transmitted to a sampling signal input end of the lower computer after being converted by the A/D converter; a pump control signal output end of the lower computer is connected to a control signal input end of the pump driving circuit; and the A/D converter is an MAX186CCPP A/D converter. The system is provided with the function of real-time data acquisition with the accuracy of 2 per thousand and remote data transmission and can be used to remotely control the water level of a water tower and ensure the timeliness of control.
Description
Technical field
The utility model relates to a kind of device be applied in water tower safety automation control field.
Background technology
At present, what China processed that life or plant water supply mainly adopt is the water tower form, in order to prevent the too high and spilling water of water tower level, or the very few and wait phenomenon while water occurring of water, should control tower in water level remain at certain limit.Current, controlling water tower level method commonly used is by the float sensed water level, by the float lever principle, is switched on or switched off the water pumper operating circuit.But there are the following problems for this mode: at first, this system detection liquid level degree of accuracy and reliability are not high, there is no clear and definite liquid level data as controlling foundation simultaneously; Secondly, need the height of staff near water tower judgement water level, increased complexity and the hazard level of work, reduced work efficiency; Again, if need to adjust control the bound of water level, need to set up complex appts, implement have any problem also unreasonable economically.
Summary of the invention
In order to solve the technical matters of mentioning in background technology, the utility model provides the collection of a kind of water tank liquid level data and remote wireless control system, this kind of system can provide accuracy of data acquisition to reach 2 ‰ real-time data acquisition and teletransmission, can also realize the Long-distance Control to water tower level simultaneously, guarantee the promptness of controlling, reduced staff's labour intensity.
The technical solution of the utility model is: this kind of water tank liquid level data gathers and remote wireless control system, by slave computer and host computer, formed, its unique distinction is: described slave computer and host computer all adopt STC89S52 type single-chip microcomputer, are connected with a pair of An Meitong science and technology APC250 radio receiving transmitting module to realize the data transferring between slave computer and host computer on the data channel between described slave computer and host computer; The outside of described slave computer also is connected with fluid level transmitter, A/D converter, nixie display and water tank water pump driving circuit, the analog quantity liquid level signal of described fluid level transmitter output becomes the liquid level sampled signal input end that the digital quantity liquid level signal is delivered to described slave computer after the A/D converter conversion, and the water pump control signal output terminal of described slave computer is connected to the control signal input end of water tank water pump driving circuit; Described host computer be externally connected to LCD MODULE and overload alarm module, in addition, described A/D converter is MAX186CCPP type A/D converter.
The utlity model has following beneficial effect: at first, this system liquid level detection place has adopted MAX186CCPP12 position AD, and accuracy of data acquisition can reach 2 ‰, and accuracy of data acquisition greatly improves, for control provides reliable real time data foundation, secondly, this system increases data and shows at the water storage system place, can inquire about current liquid level data by charactron in real time, but the convenient operation personnel understand current fluid level condition, carries out next step operation, for operating personnel realize proper operation, provides Reliable guarantee, again, owing to having increased the APC250 wireless transport module in this design, transmission range can reach 1800m, can make the water storage mechanism that managerial personnel just can adjust the distance far away at caretaker room carry out on-line monitoring, the scene that do not spend exercises supervision, so not only saved time but also laborsaving, for managerial personnel bring great convenience, improved whole work efficiency, this system has been set up the PC control part, managerial personnel can pass through host computer real time inspection liquid level information, can follow the actual needs situation and independently set the upper lower limit value of water storage mechanism, slave computer can be regulated inflow automatically by the steering order of host computer, keep liquid level between limit value.The more field condition for water storage system, can increase slave computer, realizes that whole allotment controls automatically.In sum, native system can be realized the Long-distance Control to water tower level, has guaranteed the promptness of controlling, and has reduced staff's labour intensity.
The accompanying drawing explanation:
Fig. 1 is composition frame chart of the present utility model.
Fig. 2 is the circuit diagram of A/D converter described in the utility model, and in figure, U6 is MAX186CCPP12 position A/D converter.
Fig. 3 is the interface circuit figure of host computer described in the utility model.
Fig. 4 is the interface circuit figure of slave computer described in the utility model.
Fig. 5 is the circuit diagram of water tank water pump driving circuit described in the utility model.
Fig. 6 is the circuit diagram of APC250 radio receiving transmitting module described in the utility model.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
By shown in Fig. 1 to Fig. 6, this kind of water tank liquid level data gathers and remote wireless control system, by slave computer and host computer, formed, its unique distinction is: described slave computer and host computer all adopt STC89S52 type single-chip microcomputer, are connected with a pair of APC250 radio receiving transmitting module to realize the data transferring between slave computer and host computer on the data channel between described slave computer and host computer; The outside of described slave computer also is connected with fluid level transmitter, A/D converter, nixie display and water tank water pump driving circuit, the analog quantity liquid level signal of described fluid level transmitter output becomes the liquid level sampled signal input end that the digital quantity liquid level signal is delivered to described slave computer after the A/D converter conversion, and the water pump control signal output terminal of described slave computer is connected to the control signal input end of water tank water pump driving circuit; Described host computer be externally connected to LCD MODULE and overload alarm module; Described A/D converter is MAX186CCPP type A/D converter.
Fig. 3 is the interface circuit figure of host computer described in the utility model, and in figure, the same port label means that 2 are connected to same node in the drawings.P3.0(RXD wherein), P3.1(TXD) be receive data by wireless, send pin, P2.0-P2.3 is that pin is controlled in liquid crystal display, P0.0-P0.7 is the liquid crystal display data pin.
Fig. 4 is the interface circuit figure of slave computer described in the utility model, and in figure, the same port label means that 2 are connected to same node in the drawings.Wherein P2.4-P2.6 is for controlling the AD switched pins, P2.7 is AD data input pins, P2.0-P2.3 selects the signal output pin for the position that drives group of four figures pipe, the section that P0.0-P0.7 is charactron is selected the signal output pin, P3.0(RXD) and P3.1(TXD) accept, send pin for wireless data, P1.0-P1.4 is for driving water pump to control pin.
Fig. 5 is the circuit diagram of water tank water pump driving circuit described in the utility model, in figure, the same port label means that 2 are connected to same node in the drawings, and for example being positioned at A on transistor collector end and being positioned on the 74HC573 module No. 19 A ends on pin in figure be connected to a bit.
Fig. 6 is the circuit diagram of APC250 radio receiving transmitting module described in the utility model.For this part, the wireless portion peripheral circuit of host computer, slave computer is consistent, and reception (RXD), transmission (TXD) pin all are connected to single-chip microcomputer P3.0, P3.1 mouth.Transmission frequency is 960MHz, and stepping accuracy is 1KHz, and transmission range is 1800m.
During concrete application, system also is converted to the 4-20mA current signal for pressure signal needs signal by YHT-6 type fluid level transmitter by collected, by connecting, 250 Ω resistance are converted to the 1-5V voltage signal, be input in the AD chip of MAX186CCPP12 position and carry out the A/D conversion, Real-time Collection by STC89C52 chip microcontroller data, show in real time the liquid level depth value by the charactron module, utilize the APC250 module of An Meitong science and technology to realize that the wireless remote transmission of data is to master system; Host computer is shown to the liquid level information received on the LCD12864 liquid crystal display, and itself and the liquid level bound of setting are compared to analysis, if any transfiniting, send sound and light alarm, command adapted thereto can be sent to slave computer, control the water pump action, realize that the closed loop of liquid level is controlled automatically simultaneously.
Claims (1)
1. a water tank liquid level data gathers and remote wireless control system, by slave computer and host computer, formed, it is characterized in that: described slave computer and host computer all adopt STC89S52 type single-chip microcomputer, are connected with a pair of An Meitong science and technology APC250 radio receiving transmitting module to realize the data transferring between slave computer and host computer on the data channel between described slave computer and host computer; The outside of described slave computer also is connected with fluid level transmitter, A/D converter, nixie display and water tank water pump driving circuit, the analog quantity liquid level signal of described fluid level transmitter output becomes the liquid level sampled signal input end that the digital quantity liquid level signal is delivered to described slave computer after the A/D converter conversion, and the water pump control signal output terminal of described slave computer is connected to the control signal input end of water tank water pump driving circuit; Described host computer be externally connected to LCD MODULE and overload alarm module; Described A/D converter is MAX186CCPP type A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206527537U CN202939510U (en) | 2012-12-02 | 2012-12-02 | Liquid level data acquisition and wireless remote control system for water storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206527537U CN202939510U (en) | 2012-12-02 | 2012-12-02 | Liquid level data acquisition and wireless remote control system for water storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202939510U true CN202939510U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206527537U Expired - Fee Related CN202939510U (en) | 2012-12-02 | 2012-12-02 | Liquid level data acquisition and wireless remote control system for water storage tank |
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| CN (1) | CN202939510U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898715A (en) * | 2015-05-21 | 2015-09-09 | 玉林师范学院 | Millimeter-level liquid level control system based on pressure transducer |
| CN107678451A (en) * | 2017-09-30 | 2018-02-09 | 中山市民众镇民众中心小学 | A kind of water level automatic checkout and control system |
| CN115128989A (en) * | 2022-08-30 | 2022-09-30 | 深圳时代能创能源科技有限公司 | Intelligent water level control system of miniature water tower |
-
2012
- 2012-12-02 CN CN2012206527537U patent/CN202939510U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898715A (en) * | 2015-05-21 | 2015-09-09 | 玉林师范学院 | Millimeter-level liquid level control system based on pressure transducer |
| CN107678451A (en) * | 2017-09-30 | 2018-02-09 | 中山市民众镇民众中心小学 | A kind of water level automatic checkout and control system |
| CN115128989A (en) * | 2022-08-30 | 2022-09-30 | 深圳时代能创能源科技有限公司 | Intelligent water level control system of miniature water tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131202 |