CN210721154U

CN210721154U - High-sensitivity electrode type multipoint water level control system

Info

Publication number: CN210721154U
Application number: CN201922077488.9U
Authority: CN
Inventors: 李春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-06-09
Anticipated expiration: 2029-11-27

Abstract

The embodiment of the utility model discloses high sensitive electrode formula multiple spot water level control system, concretely relates to electrode water level detection technical field, which comprises a circuit board, one side is provided with liquid level detection circuit on the circuit board, liquid level detection circuit one side is provided with pulse generation circuit, pulse generation circuit bottom is provided with signal conversion circuit, signal conversion circuit bottom is provided with the control output end, control output circuit bottom is provided with signal holding circuit. The utility model discloses a be provided with liquid level detection circuit, the electrode of a plurality of IC3-IC5 chips is in different positions for detect different water levels, thereby can effectively detect the inside different water level position of equipment, improved the accuracy that detects, and the pulse generator who comprises IC1 NE555, pulse generator's 3 feet output cycle is about 4 seconds, and duty ratio 1/20 can effectively solve the electrode corrosion problem.

Description

High-sensitivity electrode type multipoint water level control system

Technical Field

The embodiment of the utility model provides a relate to electrode water level detection technical field, concretely relates to high sensitive electrode formula multiple spot water level control system.

Background

The domestic electrode water level control product has the disadvantages that a circuit is simple, alternating current rectification is carried out on a water level electrode, the electrode is conducted with water and then is amplified by a triode to control a relay to work, the water level electrode controller is used for detecting direct current for a long time to generate electrolysis action to corrode an electrode metal body and pollute a water body, and finally the water level electrode controller cannot normally work.

Some foreign brands can adjust the detection sensitivity to be suitable for industrial application, but the application requiring multi-point detection is limited by two-point detection.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a high sensitive electrode formula multiple spot water level control system, through being provided with liquid level detection circuit, the electrode of a plurality of IC3-IC5 chips is in different positions, a water level for detecting difference, thereby can effectively detect the inside different water level position of equipment, the accuracy of detection has been improved, and the pulse generator who comprises IC1 NE555, 3 foot output cycle about 4 seconds of pulse generator, duty ratio 1/20, can effectively solve the electrode corrosion problem, because can only detect two high water levels and low water level and can not carry out the multistage and detect and lead to the equipment application to produce the problem of limitation among the solution prior art.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a high sensitive electrode formula multiple spot water level control system, includes the circuit board, one side is provided with liquid level detection circuit on the circuit board, liquid level detection circuit one side is provided with pulse generation circuit, the pulse generation circuit bottom is provided with signal conversion circuit, signal conversion circuit bottom is provided with control output, control output circuit bottom is provided with signal holding circuit.

Further, the liquid level detection circuit comprises an IC3-IC5, the number of the ICs 3-IC5 is multiple, the ICs are arranged on one side of the surface of the circuit board from top to bottom in sequence, and electrodes of a plurality of IC3-IC5 chips are located at different positions and used for detecting different water levels.

Further, the pulse generating circuit comprises a pulse signal generator consisting of IC1 NE555, the 3-pin output period of the pulse signal generator is about 4 seconds, the duty ratio is 1/20, and signals sent by the pulse signal generator are transmitted to water through the electrode output of the liquid level detection circuit.

Further, the signal conversion circuit comprises an IC6 and a plurality of LED lamps, wherein the IC6 is used for receiving information transmitted by the liquid level detection circuit, and the electrode of each IC3-IC5 chip corresponds to one LED lamp.

Further, the signal holding circuit is composed of T1G 11C 2, and is used for holding and transmitting the direct current voltage signal detected by the liquid level detection circuit to the signal conversion circuit.

Further, the control output circuit comprises a plurality of PLC interfaces for connecting the PIC controller.

The embodiment of the utility model provides a have following advantage:

1. by arranging the liquid level detection circuit, the electrodes of the multiple IC3-IC5 chips are positioned at different positions and are used for detecting different water levels, so that the problem that the application space of a product is limited because only the lowest and the highest water levels in the equipment can be detected but multi-section detection cannot be performed in the prior art is effectively solved;

2. by arranging the pulse generating circuit and the pulse signal generator consisting of the IC1 NE555, the output period of the 3 pins of the pulse signal generator is about 4 seconds, and the duty ratio is 1/20, so that the problem of electrode corrosion can be effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of an overall structure provided in embodiment 1 of the present invention;

in the figure: the liquid level detection circuit comprises a circuit board 1, a liquid level detection circuit 2, a pulse generation circuit 3, a signal conversion circuit 4, a control output circuit 5 and a signal holding circuit 6.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawing 1 of the specification, the high-sensitivity electrode type multipoint water level control system of the embodiment comprises a circuit board 1, wherein a liquid level detection circuit 2 is arranged on one side of the circuit board 1, a pulse generation circuit 3 is arranged on one side of the liquid level detection circuit 2, a signal conversion circuit 4 is arranged at the bottom of the pulse generation circuit 3, a control output end is arranged at the bottom of the signal conversion circuit 4, and a signal holding circuit 6 is arranged at the bottom of the control output circuit 5.

Further, the liquid level detection circuit 2 comprises ICs 3-IC5, the number of the ICs 3-IC5 is multiple, the ICs are arranged on one side of the surface of the circuit board 1 from top to bottom in sequence, and electrodes of a plurality of IC3-IC5 chips are located at different positions and used for detecting different water levels.

Further, the pulse generating circuit 3 comprises a pulse signal generator consisting of an IC1 NE555, the output period of a pin 3 of the pulse signal generator is about 4 seconds, the duty ratio is 1/20, and a signal sent by the pulse signal generator is transmitted to water by the electrode output of the liquid level detection circuit 2.

Further, the signal conversion circuit 4 comprises an IC6 and a plurality of LED lamps, wherein the IC6 is used for receiving the information transmitted by the liquid level detection circuit 2, and the electrode of each IC3-IC5 chip corresponds to one LED lamp.

Further, the signal holding circuit 6 is composed of T1G 11C 2, and is configured to hold and supply the dc voltage signal detected by the liquid level detection circuit 2 to the signal conversion circuit 4.

Further, the control output circuit 5 includes a plurality of PLC interfaces for connecting with the PIC controller.

The implementation scenario is specifically as follows: when the utility model is used, the PLC controller box for executing the relevant water level is connected through the PLC interface, then the electrodes of a plurality of ICs 3-IC5 in the liquid level detection circuit 2 are respectively placed at different heights in the device to be detected, then the pulse signal generator composed of ICs 1-NE555 sends signals, the 3-pin output period of the pulse signal generator is about 4 seconds, the duty ratio 1/20 can effectively solve the problem of electrode corrosion, the signals are transmitted to the water by the electrode output, the electrodes of a plurality of ICs 3-C5 detect different water levels at different positions, the direct current voltage signals detected by the ICs 3-4C5 are maintained and transmitted to the signal conversion circuit 4 through the signal maintaining circuit 6, the electrodes of each IC3-IC5 chip are all corresponding to one LED lamp, when the water level in the device is at different positions, the corresponding LED lamp lights up, the water level detection system has the advantages that workers can see the water level information at a glance, the water level information can be transmitted to the PIC controller through the control output circuit 5, and the problem that different heights of the liquid water level inside the equipment cannot be detected in the prior art is specifically solved.

The working principle is as follows:

referring to the attached figure 1 of the specification, a pulse signal generator composed of ICs 1-NE555 sends out a signal, the signal is transmitted into water by electrode output, electrodes of a plurality of ICs 3-C5 detect different water levels at different positions, a direct current voltage signal detected by the ICs 3-4C5 is maintained through a signal maintaining circuit 6, a corresponding voltage signal is displayed through a signal conversion circuit 4, and a signal corresponding to the water level is turned on or off to an execution control circuit such as a PLC (programmable logic controller) after the T2-T11 and the ISP827 are subjected to photoelectric isolation.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a high sensitive electrode formula multiple spot water level control system, includes circuit board (1), its characterized in that: one side is provided with liquid level detection circuit (2) on circuit board (1), liquid level detection circuit (2) one side is provided with impulse generation circuit (3), impulse generation circuit (3) bottom is provided with signal conversion circuit (4), signal conversion circuit (4) bottom is provided with control output circuit (5), control output circuit (5) bottom is provided with signal holding circuit (6).

2. The high-sensitivity electrode type multipoint water level control system according to claim 1, wherein: the liquid level detection circuit (2) comprises ICs 3-IC5, the number of the ICs 3-IC5 is set to be multiple, the ICs are sequentially arranged on one side of the surface of the circuit board (1) from top to bottom, and electrodes of the ICs 3-IC5 are located at different positions and used for detecting different water levels.

3. The high-sensitivity electrode type multipoint water level control system according to claim 1, wherein: the pulse generating circuit (3) comprises a pulse signal generator consisting of IC1 NE555, the output period of a pin 3 of the pulse signal generator is about 4 seconds, the duty ratio is 1/20, and signals sent by the pulse signal generator are transmitted to water through the electrode output of the liquid level detection circuit (2).

4. The high-sensitivity electrode type multipoint water level control system according to claim 1, wherein: the signal conversion circuit (4) comprises an IC6 and a plurality of LED lamps, wherein the IC6 is used for receiving information transmitted by the liquid level detection circuit (2), and the electrode of each IC3-IC5 chip corresponds to one LED lamp.

5. The high-sensitivity electrode type multipoint water level control system according to claim 1, wherein: the signal holding circuit (6) is composed of T1G 11C 2 and is used for holding and transmitting the direct-current voltage signal detected by the liquid level detection circuit (2) to the signal conversion circuit (4).

6. The high-sensitivity electrode type multipoint water level control system according to claim 1, wherein: the control output circuit (5) comprises a plurality of PLC interfaces, T2-T11 and ISP827, the PLC interfaces are used for connecting the PIC controller, and the T2-T11 and the ISP827 are used for transmitting information to the PIC controller after signals enter photoelectric isolation.