CN212322123U - Water level control device based on photoelectric liquid level sensor - Google Patents
Water level control device based on photoelectric liquid level sensor Download PDFInfo
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- CN212322123U CN212322123U CN202021525616.8U CN202021525616U CN212322123U CN 212322123 U CN212322123 U CN 212322123U CN 202021525616 U CN202021525616 U CN 202021525616U CN 212322123 U CN212322123 U CN 212322123U
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Abstract
The utility model discloses a water level control device based on photoelectric type level sensor, including main control system, water tank and two photoelectric type level sensor, main control system includes electrical unit, remote communication module, processing unit, signal acquisition unit, man-machine interaction module and drive unit, remote communication module electric connection is on processing unit, and processing unit electric connection is respectively on signal acquisition unit, drive unit and man-machine interaction module. The utility model discloses a photoelectric type level sensor, sensor surface adopt glass or transparent teflon material to make to with water contact, can not produce any pollution to water, accord with the relevant requirement of RoHS and ann's rule, the electric part is kept apart with water completely, does not have mechanical parts, and the reliability is higher.
Description
Technical Field
The utility model relates to a water level control technical field especially relates to water level control device based on photoelectric type level sensor.
Background
At hotel, enterprise, place that needs centralized water supply such as building, often need to increase water storage tank or cistern in its roof department, mode such as through circulating pump provides the water to the user, like the hot water supply that the hotel provided, just adopt this mode to realize, and along with the continuous use of water, the water yield in water tank or pond will reduce, cross lowly for avoiding the water level, influence the user and supply water, need to increase water level detection and controlling means, when the water level is less than a certain water level of setting for, the device can automatic replenishment water yield, when the water level is higher than a certain water level, can automatic disconnection replenishment, avoid overflowing of water, cause the waste.
At present, the water level control device mostly adopts the mode of floater to carry out automatic water level control, and when the water level was crossed lowly, the floater descends, drives the valve through the connecting rod and opens, realizes intaking, and when the water level rose, the floater followed and rose, drives the valve through the connecting rod and closes, realizes stopping water. And the water level is controlled by partially adopting a full-automatic singlechip mode, the water level probes are mainly installed at different depths in the water tank or the water pool, the judgment of the water level is realized by detecting the impedance of the current different water level probes, and then the automatic control is realized to finish water inlet or water cut-off. The prior art can realize the detection and control of the water level to a certain extent, but still has the following defects:
1. the water level is controlled by adopting a floating ball mode, mechanical action is realized, the reliability is low after long-term use, meanwhile, remote monitoring cannot be realized, and when a fault occurs, a warning cannot be given out, so that the water tank or the water pool is lack of water or water overflows;
2. the water level is controlled by adopting a full-automatic singlechip mode, although the current water level state can be remotely monitored, the self fault of the sensor cannot be monitored, and the problem that the warning cannot be given out in time also exists;
3. the sensor is easy to adsorb dirty substances after being immersed in water for a long time, influences water quality for a long time and influences body health of users.
4. When the sensor is immersed in water for a long time, the sensor is easy to break down and has low reliability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art and providing a water level control device based on a photoelectric liquid level sensor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
water level control device based on photoelectric type level sensor, including main control system, water tank and two photoelectric type level sensor, main control system includes electrical unit, remote communication module, processing unit, signal acquisition unit, man-machine interaction module and drive unit, remote communication module electric connection is on processing unit, and processing unit electric connection respectively is on signal acquisition unit, drive unit and man-machine interaction module.
Preferably, the two ends of the outer wall of one side of the water tank are provided with mounting ports, and the two photoelectric liquid level sensors are respectively fixed on the inner walls of the two mounting ports.
Preferably, the two photoelectric liquid level sensors are respectively connected to the signal acquisition unit through signal lines.
Preferably, the water inlet of the water tank is connected with an electromagnetic valve, and the electromagnetic valve is connected to the driving unit through a signal line.
Preferably, the surface of the photoelectric sensor is made of glass or transparent Teflon material.
The utility model has the advantages that:
1. by adopting the photoelectric liquid level sensor, the surface of the sensor is made of glass or transparent Teflon materials and is in contact with water, no pollution is caused to the water, the requirements related to RoHS and safety regulations are met, the electric part is completely isolated from the water, no mechanical part is arranged, and the reliability is higher.
2. By adopting the design of automatic fault detection and remote communication, maintenance personnel can be informed in time when a fault occurs, unnecessary loss is avoided, and the safety is higher.
Drawings
Fig. 1 is the utility model provides a water level control device's based on photoelectric type level sensor's functional block diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the water level control device based on the photoelectric liquid level sensor comprises a control host, a water tank and two photoelectric liquid level sensors, wherein the control host comprises a power supply unit, a remote communication module, a processing unit, a signal acquisition unit, a man-machine interaction module and a driving unit, the remote communication module is electrically connected to the processing unit, the processing unit is respectively and electrically connected with the signal acquisition unit, the driving unit and the human-computer interaction module, mounting ports are respectively arranged at two ends of the outer wall at one side of the water tank, the two photoelectric liquid level sensors are respectively fixed on the inner walls of the two mounting ports, the two photoelectric liquid level sensors are respectively connected with the signal acquisition unit through signal wires, the water inlet of the water tank is connected with an electromagnetic valve, the electromagnetic valve is connected to the driving unit through a signal wire, and the surface of the photoelectric sensor is made of glass or transparent Teflon material.
The working principle is as follows: the photoelectric liquid level sensor is adopted, the surface of the sensor is made of glass or transparent Teflon materials and is in contact with water, light rays are emitted through an LED inside the sensor, air inside the sensor and the water in contact with the surface of the sensor are different media, and the light rays are refracted when passing through the different media, so that a receiver inside the sensor cannot receive or can only receive a small amount of return light rays, the output voltage of the receiver is further influenced, whether the current sensor is immersed in the water can be judged according to the output voltage, and the detection of the current water level is realized. When 2 or more than 2 sensors are not deeply installed in a water tank or a water pool, the current water level can be judged according to the installation position of each sensor and the signal collected by the signal collection unit, water inlet or water cut-off is realized according to a pre-designed program, if the water level is lower than a preset low water level, the electromagnetic valve is opened to start water inlet, and if the water level is higher than a preset high water level, the electromagnetic valve is closed to stop water delivery. The sensor is composed of power supply voltage, output voltage and feedback detection voltage, whether the sensor is immersed in water can be judged through the level of the output voltage, whether the current sensor normally works or not, namely whether a fault exists or not can be judged through the feedback of the magnitude of the detection voltage, if the sensor is detected to have the fault, the electromagnetic valve is closed immediately, and alarm information is reported to a far-end server through the remote communication unit to remind maintenance personnel to perform on-site treatment as soon as possible. Meanwhile, the man-machine interaction unit presets the size of the water inflow, the volume of a water tank or a water pool, the position difference of a high-low water level sensor and other data, and predicts the time required by normal water supplement according to the setting parameters of the man-machine interaction unit. The driving unit is mainly used for driving the electromagnetic valve to complete opening and closing operations, can be realized by any one or a combination of an MOS (metal oxide semiconductor) tube, a relay and a contactor, and is responsible for providing energy for the sensor, the signal acquisition unit, the processing unit, the driving unit and the remote communication unit. The remote driving unit and the processing unit are electrically isolated, and CAN be in network connection with a remote server in any one or more combined communication modes such as RS485, CAN, LAN, 4G, WIFI and the like, so that data interaction is realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. Water level control device based on photoelectric type level sensor, including main control system, water tank and two photoelectric type level sensor, its characterized in that, main control system includes electrical unit, remote communication module, processing unit, signal acquisition unit, man-machine interaction module and drive unit, remote communication module electric connection is on processing unit, and processing unit electric connection respectively is on signal acquisition unit, drive unit and man-machine interaction module.
2. The water level control device based on the photoelectric liquid level sensor as claimed in claim 1, wherein mounting openings are formed at both ends of an outer wall of one side of the water tank, and the two photoelectric liquid level sensors are respectively fixed on inner walls of the two mounting openings.
3. The photoelectric liquid level sensor-based water level control device as claimed in claim 2, wherein the two photoelectric liquid level sensors are respectively connected to the signal acquisition unit through signal lines.
4. The photoelectric liquid level sensor-based water level control device according to claim 3, wherein the water inlet of the water tank is connected with an electromagnetic valve, and the electromagnetic valve is connected to the driving unit through a signal line.
5. The optoelectronic level sensor-based water level control apparatus as claimed in claim 4, wherein the surface of the optoelectronic sensor is made of glass or transparent Teflon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525616.8U CN212322123U (en) | 2020-07-28 | 2020-07-28 | Water level control device based on photoelectric liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525616.8U CN212322123U (en) | 2020-07-28 | 2020-07-28 | Water level control device based on photoelectric liquid level sensor |
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| Publication Number | Publication Date |
|---|---|
| CN212322123U true CN212322123U (en) | 2021-01-08 |
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| CN202021525616.8U Active CN212322123U (en) | 2020-07-28 | 2020-07-28 | Water level control device based on photoelectric liquid level sensor |
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| CN (1) | CN212322123U (en) |
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2020
- 2020-07-28 CN CN202021525616.8U patent/CN212322123U/en active Active
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Effective date of registration: 20230605 Address after: No. 48, West Section of Jinkai Avenue, Yubei District, Chongqing 401120 Patentee after: Chongqing Kunyuan Technology Co.,Ltd. Address before: 14-1, 213-120, Huaxin village, Jiangbei District, Chongqing 400020 Patentee before: Tan Xihong |