CN213337282U

CN213337282U - Automatic water replenishing device

Info

Publication number: CN213337282U
Application number: CN202021726854.5U
Authority: CN
Inventors: 黄文明; 解朋
Original assignee: Jingmen Dongfang Yuhong Building Materials Co ltd
Current assignee: Jingmen Dongfang Yuhong Building Materials Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-01
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses an automatic water supply device, this automatic water supply device including set up solenoid valve on the water supply line of test pond, be used for instructing the liquid level pipe of the water level of test pond, be located floater and inductive switch in the liquid level pipe, this inductive switch sets up on the power supply line of solenoid valve, be used for receive when the water level of test pond reaches predetermined water level triggering and action of floater. Adopt the utility model discloses an automatic water supply device can realize the automatic water supply of test pond, and then has avoided in the processing bond strength test that soaks at current polymer cement water proof coating from the root, because the actual test water level of test piece is less than the test and requires the water level and influence the problem of test result authenticity.

Description

Automatic water replenishing device

Technical Field

The utility model belongs to the waterproof coating test field, more specifically relates to an automatic water supply device.

Background

According to the national standard GB/T23445-2009 Polymer Cement waterproof coating, the steps of the water immersion treatment bonding strength test are as follows: horizontally placing the prepared test piece in a water tank with standard sand or quartz sand paved at the bottom, adding water at the temperature of (23 +/-2) DEG C until the water surface is 5mm away from the upper surface of the test piece substrate, standing for 7d, taking out the test piece, drying for 18h in a constant temperature box at the temperature of (60 +/-2) DEG C with the side surface of the test piece facing downwards, taking out and placing for at least 2h under the standard test condition. The bond strength was then tested according to the relevant specifications.

For the link of standing the test piece in water for 7d, the water tank is open, so that the water in the water tank is evaporated quickly, and the water level in the water tank is reduced by nearly half after standing for 2d without water supplement. Therefore, the water replenishment needs to be observed periodically to ensure that the water level in the sink meets the test requirements. However, the time of the link is long, so that the problem that testers forget to replenish water to the water tank on time is very easy to occur, the water level in the water tank is lower than the water level required by the test for a long time, and the authenticity of a subsequent test result is influenced. On the other hand, even if the tester regularly observes the water replenishing, the problems of water surface splashing and wetting of the upper surface of the test piece substrate are easy to occur in the manual water replenishing process, and the authenticity of the test result is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the test result of the existing polymer cement waterproof coating soaking treatment bonding strength test is influenced by the test piece aquatic link of stewing.

In order to achieve the above object, the utility model provides an automatic water replenishing device, this automatic water replenishing device includes:

the electromagnetic valve is arranged on a water supply line of the test tank;

the liquid level pipe is used for indicating the water level of the test pool;

the floating ball is positioned in the liquid level pipe;

and the inductive switch is arranged on a power supply circuit of the electromagnetic valve and is used for being triggered by the floating ball to act when the water level of the test pool reaches a preset water level.

Preferably, the water outlet port of the water supply line is provided for preventing splashing.

Preferably, the water outlet port of the water supply line is arranged in close contact with the inner wall of the test cell.

Preferably, the electromagnetic valve is a normally open electromagnetic valve, and the inductive switch is a normally open inductive switch; or the electromagnetic valve is a normally closed electromagnetic valve, and the inductive switch is a normally closed inductive switch.

Preferably, the inductive switch is a magnetic induction type proximity switch.

Preferably, the floating ball is a magnetic floating ball.

Preferably, the inductive switch is a magnetic sensitive triode, and a magnet is arranged in the floating ball.

Preferably, the automatic water supply device further comprises a storage plate and a connecting piece, the storage plate is arranged on the edge of the test pool, the induction switch is arranged on the top surface of the storage plate, the upper end of the liquid level pipe is fixedly connected to the bottom surface of the storage plate vertically and opposite to the induction switch through the connecting piece, and a gap is reserved between the upper end of the liquid level pipe and the bottom surface of the storage plate.

Preferably, the liquid level pipe is located outside the test cell, and a lower end of the liquid level pipe is disposed on a side wall of the test cell.

Preferably, the level tube is located inside the test cell.

The beneficial effects of the utility model reside in that:

the utility model discloses an automatic water supply device, the height of the intraductal floater of liquid level is positive correlation with the water level of test pool. The floater and inductive switch cooperate to work to constitute the magnetic induction electronic control unit of the electromagnetic valve, and then the on-off of the water supply line of the test pool is controlled through the electromagnetic valve, so that the water supply line is switched on to replenish water to the test pool when the test pool is at a low water level, and the water supply line is switched off to stop replenishing water to the test pool when the test pool is at a high water level.

Consequently, when carrying out polymer cement water proof coating and soaking processing bond strength test, adopt the utility model discloses an automatic water supply device can realize the automatic water supply of test pond, need not the tester and regularly observes the moisturizing, has stopped the tester and has forgotten the problem of regularly observing the moisturizing to avoided fundamentally because the actual test water level of test piece is less than the test and requires the water level and influence the problem of test result authenticity.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic structural diagram of an automatic water replenishing device according to an embodiment of the present invention.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Example (b): fig. 1 shows a schematic structural diagram of an automatic water replenishing device according to an embodiment of the present invention. Referring to fig. 1, the automatic water replenishing apparatus of the present embodiment includes:

the electromagnetic valve 1 is arranged on a water supply line of the test pool 2;

the liquid level pipe 3 is used for indicating the water level of the test pool 2;

the floating ball 4 is positioned in the liquid level pipe 3;

and the inductive switch 5 is arranged on a power supply circuit of the electromagnetic valve 1 and is triggered by the floating ball 4 to act when the water level of the test pool 2 reaches a preset water level.

In this embodiment, the water outlet of the water supply line is arranged to prevent water from splashing, and specifically, the water outlet of the water supply line is arranged to be tightly attached to the inner wall of the test cell 2. So set up, can alleviate, avoid even taking place the surface of water to splash, drench the problem of test piece base plate upper surface at the in-process that carries out automatic water supply to test cell 2 to follow-up test result's authenticity has further been guaranteed.

In this embodiment, the automatic water replenishing device further includes a splash-proof baffle (not shown in fig. 1) vertically inserted into the test tank 2, a water gap is left between the lower edge of the splash-proof baffle and the standard sand 8, and the distance between the splash-proof baffle and the inner wall of the test tank 2 where the water outlet of the water supply line is located is 10-15 cm. In practical use, the distance can be flexibly set according to practical situations. Due to the arrangement of the splash-proof baffle, a barrier for preventing the upper surface of the base plate of the test piece 7 from being wetted can be established between the water outlet of the water supply line and the test piece 7, so that the authenticity of a subsequent test result is further ensured.

In this embodiment, the solenoid valve 1 is a normally open solenoid valve, and the inductive switch 5 is a normally open inductive switch.

In this embodiment, the inductive switch 5 is a magnetic sensitive triode, and the floating ball 4 is provided with a magnet inside.

In this embodiment, automatic water supply device is still including putting thing board 6 and connecting piece 9, puts thing board 6 setting on the edge of test pool 2, and inductive switch 5 and solenoid valve 1 all set up on the top surface of putting thing board 6, and the upper end of liquid level pipe 3 is through the vertical bottom surface that links firmly in putting thing board 6 of connecting piece 9 and relative with inductive switch 5, and the upper end of liquid level pipe 3 leaves the clearance with between the bottom surface of putting thing board 6.

In this embodiment, the connecting member 9 is in the shape of a ring tooth, and includes a base ring and a plurality of connecting teeth disposed on the upper ring end surface of the base ring, and the plurality of connecting teeth are uniformly distributed along the circumferential direction. The fixed cover of base ring is established on the outer fringe of the upper end of liquid level pipe 3, and a plurality of connection teeth detachably set up on putting the bottom surface of thing board 6. So set up, can make and leave the clearance between the upper end of liquid level pipe 3 and the bottom surface of putting thing board 6, and then make the inside and outside pressure of liquid level pipe 3 unanimous to guarantee that floater 4 can normally float from top to bottom in liquid level pipe 3.

In practical use, the upper end of the liquid level pipe 3 can be directly fixed on the bottom surface of the object placing plate 6, and the side wall of the liquid level pipe 3 close to the upper end thereof is provided with the vent hole, so that the purpose of enabling the internal pressure and the external pressure of the liquid level pipe 3 to be consistent can be achieved.

In this embodiment, liquid level pipe 3 is located the inside of test bench 2, and the lower extreme of liquid level pipe 3 stretches into test bench 2 and is close to standard sand 8, and the lower extreme opening setting of liquid level pipe 3 and the interval with standard sand 8 are less than the diameter of floater 4.

The working principle of the automatic water replenishing device of the embodiment is described in detail as follows:

when test pool 2 is in the low water level, floater 4 in liquid level pipe 3 is in the low level, and is far away from inductive switch 5, and the intensity in the magnetic field that floater 4 produced this moment is not enough to trigger inductive switch 5, and inductive switch 5 keeps normally opening, and solenoid valve 1's coil lasts the outage, and solenoid valve 1's actuating mechanism keeps normally opening, automatic water supply device mends water to test pool 2.

When the water in the test pool 2 is supplemented to a high water level, the floating ball 4 in the liquid level pipe 3 rises to a high position and is close to the inductive switch 5, the strength of a magnetic field generated by the floating ball 4 is enough to trigger the inductive switch 5, the normally-open inductive switch 5 is turned to a closed state, the coil of the electromagnetic valve 1 is electrified, the execution mechanism of the electromagnetic valve 1 is closed, and the water supplementation to the test pool 2 is stopped.

Of course, in practical use, the solenoid valve 1 may be replaced by a normally closed solenoid valve, and the inductive switch 5 may be replaced by a normally closed magnetic sensitive triode. The working principle of the corresponding automatic water replenishing device is as follows:

when the test pool 2 is at a low water level, the floating ball 4 in the liquid level pipe 3 is at a low position and far away from the inductive switch 5, the strength of a magnetic field generated by the floating ball 4 is not enough to trigger the inductive switch 5, the inductive switch 5 keeps normally closed, the coil of the electromagnetic valve 1 is continuously electrified, the execution mechanism of the electromagnetic valve 1 keeps normally open, and the automatic water replenishing device replenishes water for the test pool 2.

When the test pool 2 is replenished with water to a high water level, the floating ball 4 in the liquid level pipe 3 rises to a high position and is close to the inductive switch 5, the strength of a magnetic field generated by the floating ball 4 is enough to trigger the inductive switch 5, the normally closed inductive switch 5 is switched to an off state, the coil of the electromagnetic valve 1 is powered off, the execution mechanism of the electromagnetic valve 1 is switched to be closed, and the test pool 2 is stopped being replenished with water.

In the embodiment, the water outlet port of the water supply line is arranged below the low water level, so that the upper surface of the substrate of the test piece 7 is slightly wetted in the water replenishing process, and the authenticity of a subsequent test result is further ensured.

The utility model discloses an automatic water supply device, simple structure, simple to operate, the cost is low, has not only simplified test operation, has liberated the manpower, can multiple authenticity of ensureing the test result moreover, avoids test piece aquatic link reworking of stewing, has saved a large amount of time costs.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. An automatic water replenishing device, comprising:

the electromagnetic valve is arranged on a water supply line of the test tank;

the liquid level pipe is used for indicating the water level of the test pool;

the floating ball is positioned in the liquid level pipe;

2. The automatic refill device of claim 1, wherein the water outlet port of the water supply line is splash proof.

3. The automatic water replenishing device according to claim 2, wherein the water outlet port of the water supply line is arranged to be closely attached to the inner wall of the test cell.

4. The automatic water replenishing device according to claim 1, wherein the solenoid valve is a normally open type solenoid valve, and the inductive switch is a normally open type inductive switch; or the electromagnetic valve is a normally closed electromagnetic valve, and the inductive switch is a normally closed inductive switch.

5. The automatic water replenishing device according to claim 1, wherein the inductive switch is a magnetic induction type proximity switch.

6. The automatic water replenishing device according to claim 5, wherein the floating ball is a magnetic floating ball.

7. The automatic water replenishing device according to claim 6, wherein the inductive switch is a magnetic sensitive triode, and a magnet is arranged in the floating ball.

8. The automatic water replenishing device according to claim 6, further comprising a placing plate and a connecting piece, wherein the placing plate is arranged on the edge of the test pool, the inductive switch is arranged on the top surface of the placing plate, the upper end of the liquid level pipe is vertically fixedly connected to the bottom surface of the placing plate through the connecting piece and is opposite to the inductive switch, and a gap is reserved between the upper end of the liquid level pipe and the bottom surface of the placing plate.

9. The automatic water replenishing device according to claim 8, wherein the liquid level pipe is located outside the test tank, and a lower end of the liquid level pipe is disposed on a side wall of the test tank.

10. The automatic refill device of claim 8, wherein the fluid level tube is located inside the test cell.