阅读说明：本技术 无线液位检测装置 (Wireless liquid level detection device ) 是由 宗炳松 罗成 张进财 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种无线液位检测装置,包括壳体,设置于所述壳体内的PCB板,与所述PCB板电性连接且设置于所述壳体一端的至少两个感应探测头,所述感应探测头的感应部背离所述壳体向外延伸Y,0mm＜Y≤50mm,相邻所述感应部间的间距X,0mm＜X≤10mm,且Y＝nX,1≤n≤5,其中,多个所述感应探测头中包括至少一个输入探测头与一个输出探测头。利用该无线液位检测装置可有效防止由于在相邻感应探测头间的积水引起的误判现象,提高检测结果的准确率。(The invention discloses a wireless liquid level detection device which comprises a shell, a PCB arranged in the shell, and at least two induction detection heads which are electrically connected with the PCB and arranged at one end of the shell, wherein an induction part of each induction detection head extends outwards from the shell to form Y, the Y is more than 0mm and less than or equal to 50mm, the distance between every two adjacent induction parts is X, the X is more than 0mm and less than or equal to 10mm, the Y is nX, and the n is more than or equal to 1 and less than or equal to 5, wherein the induction detection heads comprise at least one input detection head and one output detection head. The wireless liquid level detection device can effectively prevent the misjudgment phenomenon caused by the accumulated water between the adjacent induction detecting heads, and improve the accuracy of the detection result.)

1. The utility model provides a wireless liquid level detection device which characterized in that: including the casing, set up in PCB board in the casing, with PCB board electric connection just set up in two at least induction probe of casing one end, induction portion of induction probe deviates from the casing outwards extends Y, and 0mm < Y is less than or equal to 50mm, and is adjacent interval X between induction portion, 0mm < X is less than or equal to 10mm, and Y is nX, and 1 is less than or equal to n is less than or equal to 5, and wherein, a plurality of including at least one input probe and an output probe in the induction probe.

2. The wireless fluid level detection device of claim 1, wherein: the Y is 10-20 mm, and the X is 5-10 mm.

3. The wireless fluid level detection device of claim 1, wherein: the induction part comprises an induction part and an insulating rubber coating wrapped on the outer side of the induction part, wherein the length of the induction part is L, the length of the insulating rubber coating is H, and L is larger than H.

4. The wireless fluid level detection device of claim 3, wherein: the length of the induction piece is more than 0mm and less than or equal to 50 mm; the length of the insulating encapsulation is more than 0mm and less than or equal to 47 mm.

5. The wireless fluid level detection device of claim 4, wherein: the length L of the induction piece is more than 10mm and less than or equal to 20 mm; the length L-H of the induction part exposed outside the insulating encapsulation is not less than 1mm and not more than 2 mm.

6. The wireless fluid level detection device of claim 1, wherein: the number of the induction probe heads comprises three, wherein the induction probe heads comprise one output probe head and two input probe heads.

7. The wireless fluid level detection device of claim 6, wherein: the output detection head is positioned in the middle of the two input detection heads.

8. The wireless fluid level detection device of claim 1, wherein: the PCB board is provided with a main control module, and the main control module can control the output probe to transmit detection data to the PCB board according to a preset period when the input probe senses a water state.

9. The fluid level detection apparatus of claim 8, wherein: the PCB board also comprises a communication module, and the communication module is used for transmitting the detection data to the monitoring platform.

10. The fluid level detection apparatus of claim 1, wherein: and a battery connected with the PCB and used for supplying power to the PCB is also arranged in the shell.

Technical Field

The invention relates to the field of liquid level detection, in particular to a wireless liquid level detection device.

Background

With the advance of the modernization process, the rapid development of the urbanization and the increase of the utilization rate of the well lid, the well lid is widely applied to urban roads and streets and alleys as public facilities. In order to better monitor the liquid in the pipeline below the well lid, the liquid is prevented from overflowing from a gap between the well lid and the ground due to the phenomena of blockage and the like, the surrounding environment is polluted, and the passing of passing pedestrians is influenced. A liquid level detection device is arranged below the existing well cover, so that the liquid level in the pipeline can be monitored in real time. When the liquid level reaches the warning line, the purpose of reminding the staff to get rid of hidden danger in time is achieved. Then, in the actual use process, often because the erroneous judgement of liquid level detection device brings many unnecessary troubles for the staff, influenced staff's normal work flow.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides a wireless liquid level detection device, which can effectively prevent the phenomenon of misjudgment caused by water accumulation between adjacent induction detection heads and improve the accuracy of detection results.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a wireless liquid level detection device, includes the casing, set up in PCB board in the casing, with PCB board electric connection just set up in two at least response detecting heads of casing one end, the response portion of response detecting head deviates from the casing outwards extends Y, and 0mm < Y is less than or equal to 50mm, and is adjacent interval X between the response portion, 0mm < X is less than or equal to 10mm, and Y is nX, and 1 is less than or equal to n is less than or equal to 5, wherein, a plurality of including at least one input detecting head and an output detecting head in the response detecting head.

In the technical scheme, Y is 10-20 mm, and X is 5-10 mm.

In the technical scheme, the sensing part comprises a sensing part and an insulating rubber coating wrapped on the outer side of the sensing part, wherein the length of the sensing part is L, the length of the insulating rubber coating is H, and L is greater than H.

4. The wireless fluid level detection device of claim 3, wherein: the length of the induction piece is more than 0mm and less than or equal to 50 mm; the length of the insulating encapsulation is more than 0mm and less than or equal to 47 mm.

In the technical scheme, the length L of the induction part is more than 10mm and less than or equal to 20 mm; the length L-H of the induction part exposed outside the insulating encapsulation is not less than 1mm and not more than 2 mm.

In the above technical solution, the number of the sensing probe includes three, wherein the sensing probe includes one output probe and two input probes.

In the above technical solution, the output probe is located at a middle position between the two input probes.

In the technical scheme, the PCB is provided with the main control module, and the main control module can control the output probe to transmit detection data to the PCB according to a preset period when the input probe senses a water state.

In the above technical solution, the PCB further includes a communication module, and the communication module is configured to transmit the detection data to the monitoring platform.

In the above technical scheme, a battery connected with the PCB and used for supplying power to the PCB is further disposed in the housing.

The invention has at least the following beneficial effects:

1. according to the invention, the induction part of the induction probe extends outwards Y away from the shell of the wireless liquid level detection device, the distance between adjacent induction parts is X, the induction part extends away from the shell, and a gap exists between adjacent induction parts, so that water on the induction part can slide along the extension direction of the induction part, thereby preventing the water from accumulating on the induction part to cause misjudgment, and improving the accuracy of a detection result.

2. The sensing part comprises a sensing piece and an insulating rubber coating wrapped on the outer side of the sensing piece, and the length L of the sensing piece is larger than that of the insulating rubber coating, so that the end part of the sensing piece exposed out of the insulating rubber coating is used for liquid level detection; the insulating rubber coating is arranged, so that water is only contacted with the insulating rubber coating of the sensing part when being accumulated between two adjacent sensing probes under the tension action of the water, the influence of the accumulated water on sensing of the sensing part is prevented, and the accuracy of a detection result is further improved.

3. The extension length of the induction parts is set to be more than 0mm and less than or equal to 50mm, the distance between every two adjacent induction parts is set to be more than 0mm and less than or equal to 10mm, the transmission efficiency of detection data can be improved, and the power consumption of the wireless liquid level detection device is reduced.

4. The wireless liquid level detection device is provided with the output sensing head and the two input sensing heads, the two input sensing heads are used for simultaneously detecting, multiple detections can be used for checking detection results, misjudgment is further prevented, and the accuracy of the detection results is improved.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a wireless liquid level detection device in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of a wireless fluid level sensing device in an embodiment of the present invention.

Reference numerals of the above figures: 1. a housing; 2. a PCB board; 3. inputting a probe; 4. outputting a probe; 5. a sensing part; 6. a sensing member; 7. insulating and encapsulating; 8. a battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-3, a wireless liquid level detection device, includes casing 1, set up in PCB board 2 in the casing 1, with PCB board 2 electric connection and set up in at least two response detecting heads of 1 one end of casing, the response portion 5 of response detecting head deviates from casing 1 outwards extends Y, and 0mm < Y is less than or equal to 50mm, and is adjacent interval X between the response portion 5, and 0mm < X is less than or equal to 10mm, and Y is nX, and 1 is less than or equal to n is less than or equal to 5, wherein, a plurality of including at least one input detecting head 3 and one output detecting head 4 in the response detecting head.

And the induction part 5 of the induction probe deviates from the shell 1 and extends outwards Y, and a certain distance X is ensured between the adjacent induction parts 5. When the sensing part 5 is changed from a water-containing state to a water-free state, water can slide down along the extending direction of the sensing part 5 so as not to be accumulated on the sensing part 5. Prevent that water is in accumulation in the induction part 5 can make induction part 5 can follow the change of liquid level changes in real time, improves the accuracy of testing result, avoids the misjudgement phenomenon that ponding caused.

The induction part 5 extends outwards away from the shell 1 by Y, and Y is more than 0mm and less than or equal to 50 mm; the distance X between the adjacent induction parts 5 is more than 0mm and less than or equal to 10 mm. Preferably, the sensing parts 5 extend outwards from the shell 1 by Y being 10mm to 20mm, and the distance X between every two adjacent sensing parts 5 is 5mm to 10 mm. The distance Y of the sensing part 5 extending outwards away from the shell 1 and the distance X between adjacent sensing parts 5 are limited, so that the transmission efficiency of detection data of the wireless liquid level detection device can be ensured, and the detection and the transmission of the detection data can be completed under the condition of lower power consumption. The extension length of the induction part 5 departing from the shell 1 and the distance between adjacent induction parts 5 are not limited by the range, and the range can be adjusted according to the actual use requirement.

In a preferred embodiment, the sensing part 5 comprises a sensing element 6 and an insulating encapsulation 7 wrapping the outside of the sensing element 6, wherein the length of the sensing element 6 is L, the length of the insulating encapsulation 7 is H, and L > H. The length of the sensing part 6 is larger than that of the insulating rubber coating 7, so that the end part of the sensing part 6 exposed out of the insulating rubber coating 7 is used for liquid level detection. In the actual use process, when the liquid level rises more, the sensing part 5 of the sensing probe is completely positioned in water, and the liquid level descends to the lower part of the sensing part 5 after treatment. Due to the tension of water, some water is accumulated at the place where the adjacent sensing part 5 is connected with the housing 1. The sensing part 5 is provided with the sensing part 6 and the insulating rubber coating 7 wrapped on the outer side of the sensing part 6, and the existence of the insulating rubber coating 7 can enable accumulated water existing under the action of tension to be only in contact with the insulating rubber coating 7, so that the accumulated water is prevented from being accumulated at the end part of the sensing part 6, and the accuracy of a detection result is further improved.

The relative proportions of the sensing element 6 and the insulating encapsulation 7 can be set according to actual use requirements. If the length of the induction part 6 is more than 10mm and less than or equal to 20 mm; the length L-H of the induction part 6 exposed out of the insulating rubber coating 7 is more than or equal to 1mm and less than or equal to 2 mm.

The number of the induction probe heads is at least two. Preferably, the number of the input probe heads 3 is greater than or equal to two. Referring to fig. 1, the number of the sensing probe heads includes three, including one output probe head 4 and two input probe heads 3. Further preferably, the output probe 4 is located at a position intermediate to the two input probes 3. The output probe 4 is arranged at the middle position of the two input probes 3, so that the transmission efficiency of the detection data between the two input probes can be improved, the power consumption of the wireless liquid level detection device is reduced, and the working time of the wireless liquid level detection device is prolonged. Further preferably, the two input probe heads 3 are located on the same horizontal plane. Making the detection data of a plurality of said input probe heads 3 more comparable and referential.

Referring to fig. 3, the PCB 2 is provided with a main control module, and the main control module can control the output probe 4 to transmit detection data to the PCB 2 according to a preset period when the input probe 3 senses a water state. The PCB 2 further comprises a communication module, and the communication module is used for transmitting the detection data to a monitoring platform. And a battery 8 connected with the PCB 2 and used for supplying power to the PCB 2 is also arranged in the shell 1.

Specifically, when the input sensing head is in a water state, conduction is formed in the input sensing head. The main control module controls the input sensing head to carry out detection for multiple times in a preset period to obtain detection data, the output sensing head transmits the detection data to the processing module in the PCB, and the communication module transmits the detection data to the monitoring platform. And the staff timely processes the data displayed by the monitoring platform, so that the processing efficiency of the staff is improved.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.