Water quality monitor with remote control cleaning function

Abstract

The utility model discloses a water quality monitor with a remote control cleaning function, which comprises a monitoring sensor circulation cavity and a cleaning component mounted on the monitoring sensor circulation cavity, and is characterized in that the cleaning component comprises a self-oscillation jet generator and a cleaning liquid inlet pipe, the self-oscillation jet generator is communicated with the cleaning liquid inlet pipe, and a nozzle of the self-oscillation jet generator faces a sensor to be cleaned. The jet flow generates disturbance through the self-oscillation jet flow generator to form periodic oscillation, so that bubbles in the jet flow are excited, the bubbles are drawn into the jet flow to further grow until the bubbles are sprayed to the surface to be cleaned and are fractured due to retardation, in the fracture process, very high pressure and micro jet flow are generated, and the surface to be cleaned is cleaned. Therefore, a better cleaning effect is achieved.

Description

Technical Field

[0001] The utility model relates to a water quality monitor, in particular to a water quality monitor with a remote control cleaning function. Background Art

[0002] After the water quality monitoring sensor has been running for a period of time, some impurities will adhere to the sensor surface or detection surface, affecting the contact between the measured medium and the sensitive parts of the sensor, causing inaccurate or delayed measurement data. In order to remove this dirt (surface mucus), on-site operators often have to take out and wipe the sensor regularly, resulting in a waste of resources.

[0003] However, manual cleaning has great limitations. It is not only time-consuming and inefficient, but also inconvenient if the water quality monitoring sensor is set up in a remote place.

[0004] Therefore, many water quality monitors currently have added automatic cleaning functions, which use ordinary tap water to flush and clean the sensors. It does not pollute the environment and will not damage the sensor probes. The probes do not need to be cleaned again after cleaning. It can clean parts with complex shapes and structures, save energy, have high cleaning efficiency and low cost.

[0005] However, the cleaning effect of ordinary water flow is not good enough, so the applicant has designed a water quality monitor with better cleaning effect to solve the above problem. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a water quality monitor which utilizes jet cleaning and has a remote control cleaning function.

[0007] The technical solution adopted by the utility model to solve its technical problems is:

[0008] A water quality monitor with a remote controlled cleaning function comprises a monitoring sensor flow chamber and a cleaning component installed on the monitoring sensor flow chamber, and is characterized in that: the cleaning component comprises a self-excited oscillation jet generator and a cleaning liquid inlet pipe, the self-excited oscillation jet generator is connected to the cleaning liquid inlet pipe, and the nozzle of the self-excited oscillation jet generator faces the sensor to be cleaned.

[0009] The self-excited oscillation jet generator comprises an inlet cavity, a resonance cavity and a connecting channel which are coaxially arranged, and the connecting channel is connected with the nozzle.

[0010] The nozzle comprises a diffusion chamber and an outlet chamber, and the diffusion chamber is communicated with the connecting channel.

[0011] The diameter of the inlet cavity is larger than the diameter of the resonance cavity, and the diameter of the resonance cavity is larger than the diameter of the connecting channel.

[0012] The diffusion chamber is trumpet-shaped, and the diameter of one end close to the connecting passage is smaller than the diameter of one end close to the outlet chamber.

[0013] The diameter of the outlet cavity is larger than the diameter of the connecting passage and smaller than the diameter of the resonance cavity.

[0014] The cleaning liquid inlet pipe is provided with a solenoid valve 1 for controlling the on-off of the cleaning liquid inlet pipe.

[0015] The self-excited oscillation jet generator has two parts, and the cleaning liquid inlet pipe is connected with the two self-excited oscillation jet generators through a three-way pipe.

[0016] It also includes a sewage pipe connected to the flow cavity of the monitoring sensor, and the sewage pipe is provided with a second electromagnetic valve for controlling the on-off of the sewage pipe.

[0017] The beneficial effect of the utility model is as follows: the cleaning component of the utility model includes a self-excited oscillation jet generator and a cleaning liquid inlet pipe, the self-excited oscillation jet generator is connected to the cleaning liquid inlet pipe, the application uses the self-excited oscillation jet generator to cause the jet to generate disturbances to form periodic oscillations, thereby exciting bubbles in the jet, these bubbles are drawn into the jet and further grow until they are sprayed onto the surface to be cleaned and cause rupture due to obstruction, during the rupture process, very high pressure and microjets are generated, thereby achieving a better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is the internal structure view of the utility model;

[0020] Figure 2 This is a three-dimensional structural view of the self-excited oscillating jet generator;

[0021] Figure 3 It is a cross-sectional structural view of the self-excited oscillating jet generator. DETAILED DESCRIPTION

[0022] The advantages and features of the present disclosure and its implementation methods will be explained by the following embodiments described with reference to the accompanying drawings. However, the present disclosure can be embodied in different forms and should not be interpreted as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure will be comprehensive and complete, and will fully convey the scope of the present disclosure to those skilled in the art. In addition, the present disclosure is limited only by the scope of the claims.

[0023] The shapes, sizes, ratios, angles and numbers disclosed in the drawings for describing the embodiments of the present disclosure are only examples, and therefore the present disclosure is not limited to the details shown. Throughout this specification, the same reference numerals refer to the same elements. In the following description, when the detailed description of the relevant known functions or configurations is determined to be unnecessary to blur the focus of the present disclosure, the detailed description will be omitted. In the case of using "including", "having" and "comprising" described in this specification, other parts may be added unless "only" is used. Unless otherwise indicated, the terms in the singular may include plural forms.

[0024] When explaining an element, although not explicitly described, the element is understood to include a range of error.

[0025] When describing a positional relationship, for example, when the positional relationship is described as "on," "above," "below," and "adjacent to," unless "immediately" or "directly" is used, one or more parts may be arranged between two other parts.

[0026] When describing a time relationship, for example, when a time sequence is described as “after,” “subsequently,” “next,” and “before,” discontinuous cases may be included unless “just” or “directly” is used.

[0027] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from other elements. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element without departing from the scope of the present disclosure.

[0028] As those skilled in the art can fully understand, the features of the different embodiments of the present disclosure can be coupled or combined with each other in part or in whole, and can cooperate with each other in various ways and be driven technically. The embodiments of the present disclosure can be performed independently of each other, or can be performed together in a mutually dependent relationship.

[0029] Reference Figures 1 to 3The utility model discloses a water quality monitor with a remote control cleaning function, including a monitoring sensor flow chamber 1 and a cleaning component installed on the monitoring sensor flow chamber 1, wherein the cleaning component includes a self-excited oscillation jet generator 2 and a cleaning liquid inlet pipe 3, wherein the self-excited oscillation jet generator 2 is connected to the cleaning liquid inlet pipe 3, and the nozzle of the self-excited oscillation jet generator 2 faces the sensor to be cleaned. The self-excited oscillation jet generator 2 of the present application has two parts, and the cleaning liquid inlet pipe 3 is connected to the two self-excited oscillation jet generators 2 through a three-way pipe 4. When the cleaning liquid enters the self-excited oscillation jet generator 2 through the cleaning liquid inlet pipe 3, the jet formed by the cleaning liquid will generate disturbances in the self-excited oscillation jet generator 2, thereby forming periodic oscillations, thereby generating a large number of bubbles, and then using the very high pressure and microjets generated during the bubble rupture process to clean the dirt on the surface of the sensor, thereby achieving a better cleaning effect than direct flushing with water. The cleaning liquid in the present application is preferably tap water, and the cleaning liquid inlet pipe 3 is also connected to the tap water network. Of course, special cleaning liquid and liquid supply equipment can also be used.

[0030] As shown in the figure, the self-excited oscillation jet generator 2 includes an inlet chamber 5, a resonance chamber 6, and a connecting channel 7 which are coaxially arranged. The nozzle includes a diffusion chamber 8 and an outlet chamber 9, and the diffusion chamber 8 is connected to the connecting channel 7. The diameter of the inlet chamber 5 is larger than the diameter of the resonance chamber 6, and the diameter of the resonance chamber 6 is larger than the diameter of the connecting channel 7; thus, a step surface is formed at the intersection of the connecting channel 7 and the resonance chamber 6, and the step surface is also a collision wall 10. Of course, the collision wall 10 of the present application is preferably inclined, and the jet will collide with the collision wall 10 at this location. The diffusion chamber 8 is trumpet-shaped, and the diameter near the end of the connecting channel 7 is smaller than the diameter near the end of the outlet chamber 9; the diameter of the outlet chamber 9 is larger than the diameter of the connecting channel 7 and smaller than the diameter of the resonance chamber 6.

[0031] Different diameters are conducive to the formation of pulsed fluid, thereby inducing a large number of cavitation bubbles. The water jet is injected into the resonance cavity 6 through the inlet cavity 5. When the stable water jet encounters the cross-sectional contraction mutation at the resonance cavity 6 and the connecting channel 7 and the inclined collision wall 10 of the resonance cavity 6, pressure excitation is generated, and the contraction section of the connecting channel 7 can better feed back the pressure excitation to the resonance cavity 6, forming feedback pressure oscillation. When the pressure oscillation frequency matches the natural frequency of the nozzle, the oscillation frequency of the feedback pressure is amplified, thereby forming a standing wave, so that the nozzle has the performance of a pulsed jet. At the nozzle outlet, the jet changes from the original continuous jet to an intermittent vortex circulation, further enhancing the cavitation and cleaning capabilities of the jet.

[0032] The purpose of the diffusion cavity 8 at the nozzle is to make the water flow ejected from the nozzle outlet have a better shearing effect with the surrounding water flow, so as to better form a cavitation zone and increase the cavitation effect. The best expansion angle is 60 degrees.

[0033] As shown in the figure, the cleaning liquid inlet pipe 3 is provided with a solenoid valve 11 for controlling the on-off of the cleaning liquid inlet pipe 3; it also includes a drain pipe 12 connected to the monitoring sensor flow chamber 1, and the drain pipe 12 is provided with a solenoid valve 2 13 for controlling the on-off of the drain pipe 12. Of course, the solenoid valve 1 and the solenoid valve 2 13 are both connected to the remote control device.

[0034] Its working principle is: when the monitoring instrument is cleaned regularly, a remote control device is used to issue an instruction to the solenoid valve 11 on the cleaning pipeline. The remote control device can be realized through mobile network communication or Ethernet communication. After receiving the instruction, the solenoid valve 11 opens the cleaning pipeline, and the cleaning pipeline is connected to the clean water pool or the cleaning liquid pool. The clean water or cleaning liquid passes through the cleaning component and enters the monitoring sensor flow cavity 1 to clean the sensor. When the clean water or cleaning liquid passes through the cleaning component, a self-excited oscillating water jet is formed to enhance the cleaning ability. The self-excited oscillating water jet generated by the self-excited oscillating water jet generator is ejected through the nozzle to form a pulse water jet with three to four times the cleaning ability of the original clean water. The sewage after cleaning is discharged through the sewage pipe 12, and the sewage pipe 12 is controlled by the switch of the remote control solenoid valve 2 13. The device uses water flow to regularly clean the key probe parts of the sensor, which can effectively prevent impurities from being contaminated. The device has a simple structure and can provide stable and reliable regular cleaning for the sensor probe.

[0035] The water quality monitor with remote control cleaning function provided by an embodiment of the utility model is introduced in detail above. Specific examples are used in this article to illustrate the principle and implementation mode of the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea. At the same time, for general technicians in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A water quality monitor with a remote control cleaning function, comprising a monitoring sensor flow chamber and a cleaning component installed on the monitoring sensor flow chamber, characterized in that: The cleaning component includes a self-excited oscillation jet generator and a cleaning liquid inlet pipe. The self-excited oscillation jet generator is connected to the cleaning liquid inlet pipe, and the nozzle of the self-excited oscillation jet generator faces the sensor to be cleaned.

2. The water quality monitor with remote control cleaning function according to claim 1, characterized in that: The self-excited oscillation jet generator comprises an inlet cavity, a resonance cavity and a connecting channel which are coaxially arranged, and the connecting channel is connected with the nozzle.

3. The water quality monitor with remote control cleaning function according to claim 2, characterized in that: The nozzle comprises a diffusion chamber and an outlet chamber, and the diffusion chamber is communicated with the connecting channel.

4. The water quality monitor with remote control cleaning function according to claim 2, characterized in that: The diameter of the inlet cavity is larger than the diameter of the resonance cavity, and the diameter of the resonance cavity is larger than the diameter of the connecting channel.

5. The water quality monitor with remote control cleaning function according to claim 3, characterized in that: The diffusion chamber is trumpet-shaped, and the diameter of one end close to the connecting passage is smaller than the diameter of one end close to the outlet chamber.

6. The water quality monitor with remote control cleaning function according to claim 3, characterized in that: The diameter of the outlet cavity is larger than the diameter of the connecting passage and smaller than the diameter of the resonance cavity.

7. The water quality monitor with remote control cleaning function according to claim 1, characterized in that: The cleaning liquid inlet pipe is provided with a solenoid valve 1 for controlling the on-off of the cleaning liquid inlet pipe.

8. The water quality monitor with remote control cleaning function according to claim 1, characterized in that: The self-excited oscillation jet generator has two parts, and the cleaning liquid inlet pipe is connected with the two self-excited oscillation jet generators through a three-way pipe.

9. The water quality monitor with remote control cleaning function according to claim 1, characterized in that: It also includes a sewage pipe connected to the flow cavity of the monitoring sensor, and the sewage pipe is provided with a second electromagnetic valve for controlling the on-off of the sewage pipe.

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