CN216206818U

CN216206818U - Induction type intelligent well lid water immersion detection device

Info

Publication number: CN216206818U
Application number: CN202122611855.6U
Authority: CN
Inventors: 戴世宇; 华松鸳; 魏婉肖; 郭献强; 李坚刚
Original assignee: Hangzhou Century Co Ltd
Current assignee: Hangzhou Century Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to an induction type intelligent manhole cover water immersion detection device which can realize timely warning of manhole cover water immersion, has good shell sealing performance, high water immersion detection sensitivity, low product component cost and convenient transportation and installation. The advantages are that: the induction type intelligent well lid water immersion detection device adopts isolation type detection, and the shell sealing performance is good; the induction type intelligent well lid water immersion detection device adopts a parallel plate capacitor to carry out water immersion detection, and has high detection sensitivity; third, induction type intelligence well lid water logging detection device, it uses the touch spring as the part of parallel plate condenser, and not only product assembly is with low costs like this, transports simple to operate moreover.

Description

Induction type intelligent well lid water immersion detection device

Technical Field

The utility model relates to an induction type intelligent well lid water immersion detection device which can realize timely warning of water immersion of an inspection well lid, has good shell sealing performance and high water immersion detection sensitivity, is low in product component cost and convenient to transport and install, and belongs to the technical field of detection.

Background

The water logging function of intelligence well lid label in the existing market uses commonly to expose the pole piece and detects, like CN 213682224U, name "an external well lid water sensor", including fixing the water sensor body on the well lid internal surface, be equipped with the water logging probe that stretches out to the pit on the water sensor body, pass through cable junction between water logging probe and the water sensor body, this internal detection module that is used for detecting cable capacitance value change that is equipped with of water sensor. The water sensor body is also internally provided with a wireless transmission module for sending out an early warning signal and a power supply module for supplying power. The disadvantages are that: this type of intelligence well lid label not only the complicated equipment of structure is inconvenient, and the sealed waterproof performance of label is relatively poor moreover.

SUMMERY OF THE UTILITY MODEL

The design purpose is as follows: for avoiding not enough among the background art, design one kind not only can realize that the inspection shaft lid water logging in time reports an emergency and asks for help or increased vigilance, the shell leakproofness is good moreover, and water logging detectivity is high simultaneously, and product subassembly is with low costs, transportation simple to operate's induction type intelligence well lid water logging detection device simultaneously.

The design scheme is as follows: the design purpose is realized.

1. The utility model is characterized in that the polar plate is arranged in the shell and is arranged in parallel with the circuit board in the control circuit assembly, and the circuit board is electrically connected with the polar plate through a conductor. The purpose of this design is: when the device is used, the shell is fixed on the lower end face of the well lid through the screws, when the water level in the well is immersed in the lower lid, the dielectric constant between the top face of the touch spring and the circuit board in the control circuit assembly changes, the resonance frequency in the control circuit assembly is changed due to the change of the capacitance value, so that an alarm is triggered, then a main control chip in the control circuit assembly uploads a signal to a server background through an NB-IOT (NB-IoT) to complete the alarm, and therefore the device not only can provide real-time dynamic monitoring for current waterlogging drainage, but also can provide data support for optimization of a later urban underground drainage system through data obtained through monitoring; in addition, whether the main control label is soaked in water or not is judged through the change of the dielectric constant of the parallel plate capacitor, and the detection sensitivity is high (the material between the two polar plates is air when the main control label is not soaked in water, the material between the two polar plates is water when the main control label is soaked in water, and the dielectric constants of the water and the air are different).

2. The polar plate is a metal sheet, the electric conductor is a spring, the lower end of the spring is welded on the circuit board through a single needle, the upper end of the spring is welded with the metal sheet, the lower end face of the metal sheet is in surface-to-surface contact with the inner bottom face of the lower cover, the spring is in a compressed state, and the metal sheet is electrically connected with the circuit board through the spring and the single needle. The purpose of this design is: under the bracing of spring the sheetmetal can with the better contact of the interior bottom surface of lower cover, not only can reduce the installation degree of difficulty of polar plate (sheetmetal) like this, can reduce the manufacturing cost who soaks detection device moreover, and then reduce the manufacturing cost of master control label, the setting of spring has the cushioning effect to polar plate (sheetmetal) simultaneously to be convenient for its transportation.

3. The inner bottom surface of the lower cover is provided with a limit sleeve, and the design that the upper ends of the metal sheet and the spring are positioned in the limit sleeve is the third technical characteristic of the utility model. The purpose of this design is: the stop collar plays spacingly to the sheetmetal, and the stop collar ensures that the sheetmetal is located the assigned position all the time promptly to ensure its result of use as the polar plate, in addition, the stop collar plays the positioning action to the sheetmetal, thereby makes the installation more simple and convenient, high-efficient.

4. A first convex ring is arranged on the outer peripheral surface of the upper cover, an annular groove is formed in the lower end surface of the first convex ring, a plurality of first through holes which are distributed in a circular shape are formed in the upper end surface of the first convex ring, the first through holes vertically and downwardly extend to be communicated with the annular groove, an O-shaped ring groove is formed in the bottom surface of the annular groove, and an O-shaped ring is arranged in the O-shaped ring groove; a second convex ring is arranged on the outer peripheral surface of the lower cover, an annular bulge is arranged on the upper end surface of the second convex ring, a plurality of second through holes which are distributed in a circular shape are arranged on the lower end surface of the second convex ring, and the second through holes vertically extend upwards to penetrate through the upper end surface of the annular bulge; the upper cover is fixedly connected with the lower cover through a plurality of bolts after the annular groove is in concave-convex fit with the annular bulge, and the first through hole is communicated with the corresponding second through hole. The purpose of this design is: firstly, the upper cover is fixedly connected with the lower cover through a plurality of bolts after the annular groove and the annular bulge are in concave-convex fit and the first through hole is communicated with the corresponding second through hole, and the annular groove and the annular bulge are arranged, so that in the process of fastening the upper cover and the lower cover by the bolts, if the bolts are not tightened tightly, the upper cover and the lower cover cannot slide relatively (the sealing effect of the O-shaped ring is easily influenced if the upper cover and the lower cover slide relatively; the O-shaped rings are arranged and are positioned on the inner sides of the first through holes which are distributed in a circular manner, so that the O-shaped rings can effectively prevent water from entering the shell through gaps between the upper cover and the lower cover; and thirdly, the upper cover and the lower cover are fixed through a plurality of bolts, so that the combination reliability of the upper cover and the lower cover can be greatly improved.

5. The lower end face of the first convex ring is provided with an annular groove, the annular groove is positioned on the inner side of the O-shaped ring groove, and an annular insert block is arranged on the bottom face of the annular groove; the upper end face of the second convex ring is provided with an annular flange, the upper end face of the annular flange is provided with an annular slot, the annular slot is in inserting fit with the annular flange when the annular groove is in concave-convex fit with the annular protrusion, the annular insertion block is in inserting fit with the annular slot, and the gap at the inserting position of the annular insertion block and the annular slot and the gap at the inserting position of the annular slot and the annular flange are filled with waterproof glue. The purpose of this design is: the waterproof glue is filled in the gap of the splicing position of the annular insert block and the annular slot and the gap of the splicing position of the annular groove and the annular flange, the waterproof glue is arranged on the main control label to form a second waterproof measure, thereby greatly improving the waterproof effect of the shell, the annular groove is arranged, when the glue is applied, the opening of the upper cover is upwards placed, a certain amount of waterproof glue is poured into the annular groove, then the annular groove is covered with the upper cover, the waterproof glue can be applied to the splicing position of the annular insert block and the annular slot, the liquid waterproof glue is applied to the annular flange and the annular insert block under the double extrusion, the gap of the splicing position is filled by 100 percent, the glue is applied to the annular flange and the annular insert block, the annular slot, the annular groove and the annular flange are spliced, the glue applying area of the splicing position of the upper cover and the lower cover can be increased, and the glue applying position can be applied for a long time without being applied and the occurrence of glue applying glue.

6. The utility model is characterized in that one side of the lower end surface of the upper cover is provided with a notch, one side of the upper end surface of the lower cover is provided with a lug, and the first through hole is communicated with the corresponding second through hole after the notch and the lug are in concave-convex fit. The purpose of this design is: the first through hole is communicated with the corresponding second through hole after the concave-convex matching of the notch and the convex block, so that the assembly efficiency of the upper cover and the lower cover can be improved.

7. The lower end surface of the inner side groove wall of the annular groove extends downwards to form an annular extending part, the annular extending part and the inner side groove wall are of a forming structure, and the outer circular surface of the annular extending part and the inner circular surface at the upper port of the lower cover realize surface-to-surface contact after the upper cover and the lower cover are covered. The purpose of this design is: the outer disc of annular extension after closing the lid at upper cover and lower cover realizes the face-to-face contact with the interior disc of lower cover upper port department, so not only can improve combination fastness between them, and annular extension sets up in addition and can avoid beating gluey in-process waterproof glue entering casing in the cavity, and then avoids the electronic component in the casing to cause the influence because of waterproof gluey entering.

8. The upper end surface of the first convex ring is provided with a plurality of first screw holes which penetrate through the upper end surface and the lower end surface of the first convex ring, and the upper end surface of the second convex ring is provided with a plurality of second screw holes which penetrate through the upper end surface and the lower end surface of the second convex ring; the design that a plurality of first reinforcing ribs are arranged between the outer side face of the upper cover and the upper end face of the first convex ring, and a plurality of second reinforcing ribs are arranged between the lower cover and the lower end face of the second convex ring is eight of the technical characteristics of the utility model. The purpose of this design is: firstly, the upper end face of the first convex ring is provided with a plurality of first screw holes, the first screw holes penetrate through the upper end face and the lower end face of the first convex ring, the upper end face of the second convex ring is provided with a plurality of second screw holes, the second screw holes penetrate through the upper end face and the lower end face of the second convex ring, the first screw holes and the corresponding second screw holes penetrate to form screw holes when the upper cover and the lower cover are closed, and the screw holes are arranged so that the shell can be fixedly installed below the well cover; secondly be equipped with multichannel strengthening rib one between the lateral surface of upper cover and the up end of first bulge loop, be equipped with multichannel strengthening rib two between the lower terminal surface of lower cover and second bulge loop, the intensity of upper cover and lower cover is strengthened greatly to the setting of strengthening rib one and strengthening rib two can be under the prerequisite that reduces the use of upper cover and lower cover material for upper cover and lower cover are difficult because of unexpected striking breakage appears in the use under the well lid, thereby improve the life of master control label.

The technical scheme is as follows: the utility model provides an induction type intelligence well lid water logging detection device, includes the casing of compriseing upper cover and lower cover, be equipped with the control circuit subassembly in the casing, be equipped with polar plate and the circuit board parallel arrangement in the control circuit subassembly in the casing, the circuit board passes through the electric conductor and realizes the electricity with the polar plate and is connected.

Compared with the background art, the induction type intelligent well lid water immersion detection device adopts isolation type detection, and the shell sealing performance is good; the induction type intelligent well lid water immersion detection device adopts a parallel plate capacitor to carry out water immersion detection, and has high detection sensitivity; third, induction type intelligence well lid water logging detection device, it uses the touch spring as the part of parallel plate condenser, and not only product assembly is with low costs like this, transports simple to operate moreover.

Drawings

Fig. 1 is an explosion structure schematic diagram of an induction type intelligent well lid water logging detection device.

Fig. 2 is a perspective view of the lower cover.

Fig. 3 is a side view of the lower cover.

Fig. 4 is a sectional structure diagram of the lower cover.

Fig. 5 is a schematic top view of the lower cover.

Fig. 6 is a schematic perspective view of the upper cover.

Fig. 7 is a schematic sectional structure view of the upper cover.

Fig. 8 is a schematic bottom view of the upper cover.

Fig. 9 is a schematic diagram of an explosion structure of an induction type intelligent well lid water immersion detection device (a touch spring is not shown).

Detailed Description

Example 1: reference is made to fig. 1-9. The utility model provides an induction type intelligence well lid water logging detection device, includes the casing 1 of compriseing upper cover 2 and lower cover 3, be equipped with control circuit subassembly 4 in the casing 1, be equipped with polar plate and the circuit board parallel arrangement in the control circuit subassembly 4 in the casing 1, the circuit board passes through the electric conductor and realizes the electricity with the polar plate to be connected. A battery 9 is arranged in the shell 1, and the battery 9 can supply power for the control circuit assembly 4. The circuit board passes through the screw fixation in lower cover 3, battery 9 sets up in upper cover 2 and battery 9 bonds with the circuit board through the sponge double faced adhesive tape, avoids battery 9 in the use to appear rocking, still be equipped with the mineral drier package in the upper cover 9, guarantee to dry in the casing (mainly make get rid of the casing assembly in-process a small amount of aqueous vapor that contains in the air).

The main control chip in the control circuit assembly 4 is arranged on the circuit board, the main control chip is a bluetooth SOC chip, specifically, the nRF52833 is used as the main control chip, and the nRF52833 has the advantages of low power consumption, simple radio frequency circuit and the like; the circuit board is also provided with a communication module which is an NB-IOT module, the device realizes wireless communication connection with an external base station through the NB-IOT module, and the external base station is a telecommunication base station, or a mobile base station, or a communicated base station.

The polar plate is a printed PCB flat plate which is fixedly arranged on the inner bottom surface of the lower cover 3, and the electric conductor is a lead. Or the polar plate is a metal sheet 5, the electric conductor is a spring 6, the lower end of the spring 6 is welded on the circuit board through a single needle 7, the upper end of the spring 6 is welded with the metal sheet 5, the lower end face of the metal sheet 5 is in surface-to-surface contact with the inner bottom face of the lower cover 3, the spring 6 is in a compressed state, and the metal sheet 5 is electrically connected with the circuit board through the spring 6 and the single needle 7. Be equipped with stop collar 8 on the interior bottom surface of lower cover 3, the last end of sheetmetal 5 and spring 6 is located stop collar 8, the diameter more than or equal to 1cm of sheetmetal 5, the sheetmetal 5 of this size can ensure that the sensitive dielectric constant that senses of panel capacitor changes.

The shell is fixed below the well cover through screws, when the water level in the well is immersed in the lower cover 3, the dielectric constant between the top surface (namely the metal sheet 5) of the touch spring 6 and the circuit board in the control circuit component 4 changes, at the moment, the metal sheet 5 and the circuit board become two parallel polar plates in a flat capacitor, or the dielectric constant between a printed PCB flat board and the circuit board in the control circuit component 4 changes, at the moment, the metal sheet 5 and the circuit board become two parallel polar plates in the flat capacitor, the resonance frequency in the control circuit component 4 is changed due to the change of capacitance values, so that an alarm is triggered, and then the main control chip uploads signals to a server background through an NB-IOT to finish the alarm. This device judges through the medium response that the casing is whether submerged by the water logging promptly, because the casing is generally installed at the lower terminal surface of well lid, is soaked by the water when the casing, means that the region that this well lid was located is about to or the waterlogging has taken place, and urban drainage system's big data can be collected to this system, not only can provide real-time dynamic monitoring for current drainage like this, can provide data support for later urban underground drainage system's optimization moreover.

A first convex ring 21 is arranged on the outer peripheral surface of the upper cover 2, an annular groove 22 is formed in the lower end surface of the first convex ring 21, a plurality of first through holes 23 which are distributed in a circular shape are formed in the upper end surface of the first convex ring 21, the first through holes 23 vertically extend downwards to be communicated with the annular groove 22, an O-shaped ring groove 24 is formed in the bottom surface of the annular groove 22, and an O-shaped ring 10 is arranged in the O-shaped ring groove 24; a second convex ring 31 is arranged on the outer peripheral surface of the lower cover 3, an annular bulge 32 is arranged on the upper end surface of the second convex ring 31, a plurality of second through holes 33 which are distributed in a circular shape are arranged on the lower end surface of the second convex ring 31, and the second through holes 33 vertically extend upwards to penetrate through the upper end surface of the annular bulge 32; the upper cover 2 is fixedly connected with the lower cover 3 through a plurality of bolts 11 after the annular groove 22 and the annular bulge 32 are in concave-convex fit and the first through hole 23 is communicated with the corresponding second through hole 33.

An annular groove 25 is formed in the lower end face of the first convex ring 21, the annular groove 25 is located on the inner side of the O-shaped ring groove 24, and an annular insertion block 26 is arranged on the bottom face of the annular groove 25; the upper end face of the second convex ring 31 is provided with an annular flange 34, the upper end face of the annular flange 34 is provided with an annular slot 35, the annular groove 25 and the annular flange 34 are in splicing fit and the annular insert block 26 and the annular slot 35 are in splicing fit when the annular groove 22 and the annular protrusion 32 are in concave-convex fit, and waterproof glue is filled in a gap at the splicing position of the annular insert block 26 and the annular slot 35 and a gap at the splicing position of the annular groove 25 and the annular flange 34. A notch 27 is formed in one side of the lower end face of the upper cover 2, a protruding block 36 is formed in one side of the upper end face of the lower cover 3, and the first through hole 23 is communicated with the corresponding second through hole 33 after the notch 27 and the protruding block 36 are matched in a concave-convex mode.

According to the filling method of the waterproof glue in the upper cover 2 and the lower cover 3, the opening of the upper cover 2 is placed upwards, then a certain amount of waterproof glue is poured into the annular groove 25, then the lower cover 3 is covered with the upper cover 2, so that the waterproof glue can completely fill the gap at the splicing part of the annular insertion block 26 and the annular slot 35 and the gap at the splicing part of the annular groove 25 and the annular flange 34, namely the gap is filled by 100%, and after the waterproof glue is dried, bolts and nuts are placed in bolt holes formed by the first through holes 23 and the corresponding second through holes 33, so that the bolt fixing of the upper cover 2 and the lower cover 3 is realized; before the lower cover 3 is closed with the upper cover 2, the O-ring 10 is placed in the O-ring groove 24 of the upper cover 2.

The lower end surface of the inner side groove wall of the annular groove 25 extends downwards to form an annular extension part 28, the annular extension part 28 and the inner side groove wall are of a forming structure, and the outer circular surface of the annular extension part 28 is in surface-to-surface contact with the inner circular surface at the upper port of the lower cover 3 after the upper cover 2 and the lower cover 3 are closed.

The upper end surface of the first convex ring 21 is provided with a plurality of first screw holes 29, the first screw holes 29 penetrate through the upper end surface and the lower end surface of the first convex ring 21, the upper end surface of the second convex ring 31 is provided with a plurality of second screw holes 37, and the second screw holes 37 penetrate through the upper end surface and the lower end surface of the second convex ring 31; be equipped with multichannel strengthening rib 12 between the up end of the lateral surface of upper cover 2 and first bulge loop 21, be equipped with multichannel strengthening rib two 13 between the lower terminal surface of lower cover 3 and second bulge loop 31.

It is to be understood that: although the above embodiments have described the design idea of the present invention in more detail, these descriptions are only simple descriptions of the design idea of the present invention, and are not limitations of the design idea of the present invention, and any combination, addition, or modification without departing from the design idea of the present invention falls within the scope of the present invention.

Claims

1. The utility model provides an induction type intelligence well lid water logging detection device, includes casing (1) of constituteing by upper cover (2) and lower cover (3), be equipped with control circuit subassembly (4), characterized by in casing (1): the shell (1) is internally provided with a polar plate which is arranged in parallel with a circuit board in the control circuit assembly (4), and the circuit board is electrically connected with the polar plate through a conductor.

2. The induction type intelligent well lid water logging detection device of claim 1, which is characterized in that: the polar plate is a printed PCB flat plate which is fixedly arranged on the inner bottom surface of the lower cover (3), and the electric conductor is a lead.

3. The induction type intelligent well lid water logging detection device of claim 1, which is characterized in that: the polar plate is a metal sheet (5), the electric conductor is a spring (6), the lower end of the spring (6) is welded on the circuit board through a single needle (7), the metal sheet (5) is welded at the upper end of the spring (6), the lower end face of the metal sheet (5) is in surface-to-surface contact with the inner bottom face of the lower cover (3), the spring (6) is in a compression state, and the metal sheet (5) is electrically connected with the circuit board through the spring (6) and the single needle (7).

4. The induction type intelligent well lid water logging detection device of claim 3, which is characterized in that: the inner bottom surface of the lower cover (3) is provided with a limiting sleeve (8), and the upper ends of the metal sheet (5) and the spring (6) are positioned in the limiting sleeve (8).

5. The induction type intelligent well lid water logging detection device of claim 1, 2 or 3, which is characterized in that: a battery (9) is arranged in the shell (1), and the battery (9) can supply power for the control circuit assembly (4).

6. The induction type intelligent well lid water logging detection device of claim 1, which is characterized in that: a first convex ring (21) is arranged on the outer peripheral surface of the upper cover (2), an annular groove (22) is formed in the lower end face of the first convex ring (21), a plurality of first through holes (23) which are distributed in a circular shape are formed in the upper end face of the first convex ring (21), the first through holes (23) vertically extend downwards to be communicated with the annular groove (22), an O-shaped ring groove (24) is formed in the bottom face of the annular groove (22), and an O-shaped ring (10) is arranged in the O-shaped ring groove (24); a second convex ring (31) is arranged on the outer peripheral surface of the lower cover (3), an annular bulge (32) is arranged on the upper end surface of the second convex ring (31), a plurality of second through holes (33) which are distributed in a circular shape are arranged on the lower end surface of the second convex ring (31), and the second through holes (33) vertically extend upwards to penetrate through the upper end surface of the annular bulge (32); the upper cover (2) is fixedly connected with the lower cover (3) through a plurality of bolts (11) after the annular groove (22) and the annular bulge (32) are matched in a concave-convex mode and the first through hole (23) and the corresponding second through hole (33) are communicated oppositely.

7. The induction type intelligent well lid water logging detection device of claim 6, which is characterized in that: an annular groove (25) is formed in the lower end face of the first convex ring (21), the annular groove (25) is located on the inner side of the O-shaped ring groove (24), and an annular insertion block (26) is arranged on the bottom face of the annular groove (25); the up end of second bulge loop (31) is equipped with annular flange (34) and the up end of annular flange (34) is equipped with annular slot (35), and annular groove (22) and annular bulge (32) are ring groove (25) and annular flange (34) grafting cooperation and annular inserted block (26) and annular slot (35) grafting cooperation when unsmooth cooperation, the space of annular inserted block (26) and annular slot (35) grafting department and the space of annular groove (25) and annular flange (34) grafting department are filled with waterproof glue.

8. The induction type intelligent well lid water logging detection device of claim 7, which is characterized in that: a notch (27) is formed in one side of the lower end face of the upper cover (2), a convex block (36) is formed in one side of the upper end face of the lower cover (3), and the first through hole (23) is communicated with the corresponding second through hole (33) after the notch (27) and the convex block (36) are matched in a concave-convex mode.

9. The induction type intelligent well lid water logging detection device of claim 7, which is characterized in that: the lower end surface of the inner side groove wall of the annular groove (25) extends downwards to form an annular extension part (28), the annular extension part (28) and the inner side groove wall are of a forming structure, and the outer circular surface of the annular extension part (28) is in surface-to-surface contact with the inner circular surface at the upper end opening of the lower cover (3) after the upper cover (2) and the lower cover (3) are closed.

10. The induction type intelligent well lid water logging detection device of claim 6, which is characterized in that: the upper end surface of the first convex ring (21) is provided with a plurality of first screw holes (29), the first screw holes (29) penetrate through the upper end surface and the lower end surface of the first convex ring (21), the upper end surface of the second convex ring (31) is provided with a plurality of second screw holes (37), and the second screw holes (37) penetrate through the upper end surface and the lower end surface of the second convex ring (31); be equipped with multichannel strengthening rib one (12) between the up end of the lateral surface of upper cover (2) and first bulge loop (21), be equipped with multichannel strengthening rib two (13) between the lower terminal surface of lower cover (3) and second bulge loop (31).