CN219757647U

CN219757647U - Movable waterproof test device

Info

Publication number: CN219757647U
Application number: CN202320905400.1U
Authority: CN
Inventors: 徐小林; 赵龙涛; 崔东宁; 刘洋; 张文聪; 杨彦卓
Original assignee: Qingdao Product Quality Inspection And Research Institute Qingdao Product Quality And Safety Risk Monitoring Center
Current assignee: Qingdao Product Quality Inspection And Research Institute Qingdao Product Quality And Safety Risk Monitoring Center
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-09-26
Anticipated expiration: 2033-04-21

Abstract

The utility model provides a movable waterproof test device which comprises a water tank, a booster water pump, a spray pipe and a spray head, wherein the booster water pump is installed and communicated on the water tank, the spray pipe is communicated with the booster water pump, the spray head is installed at the tail end of the spray pipe, the spray head is detachably and fixedly connected with the spray pipe, and an infrared module, a flowmeter and an electromagnetic water valve are installed on the spray head.

Description

Movable waterproof test device

Technical Field

The utility model relates to an electric energy meter testing device, in particular to a movable waterproof testing device.

Background

The rail transit product needs to have a waterproof function, particularly an electronic and electrical product arranged outside a carriage, and the waterproof function needs to be provided, so that the electrical safety performance of the product is ensured, and the safety of personnel and public property is effectively protected. The waterproof test of the product can be carried out in a natural environment, and has the advantages that the environmental condition is real and reliable, but the waterproof test is limited by factors such as regions, time, weather and the like, the reproducibility of the test and the rainfall can not be controlled, and the expected test effect is difficult to realize.

The traditional waterproof test equipment cannot move generally, can be only carried out in a laboratory, and can not meet test requirements for some tested products which are already installed on a car body because the traditional waterproof test equipment cannot move.

The traditional waterproof test equipment has the defect that the temperature difference between water temperature and the surface temperature of a sample to be tested is overlarge due to the fact that the water temperature in each region and all the year round can be different.

The traditional waterproof test equipment has simple structure, the flow is displayed on the water tank, no method for real-time monitoring is available,

the distance between the spray head and the sample to be tested is measured by a tape measure before test, and the distance between the spray head and the sample can be changed due to the movement of personnel and the movement of the sample in the test process, so that larger errors can be generated in the flow and the distance in the test process.

Conventional waterproof test equipment cannot perform both IPX4 and IPX5 protection level tests simultaneously.

Disclosure of Invention

In some embodiments of the present utility model, a movable waterproof test apparatus is provided, which is convenient to move, simple to operate, and accurate in test condition control, and solves the problems of the waterproof test apparatus in the prior art in the background art.

According to the utility model, in some embodiments, the waterproof test device is improved, the infrared module, the flowmeter and the electromagnetic water valve are arranged on the waterproof test device, compared with the traditional waterproof test device, the flow of the spray head can be finely adjusted, the flow of the actual spray head can be intuitively detected, the operation of a detector is facilitated, the infrared module is added at the tail end of the spray pipe, the detector can conveniently grasp the distance between the spray head and a tested sample in real time and measure the surface temperature of the tested sample, and in addition, the waterproof test device is movable, and the water-proof test device is convenient for loading and outputting.

In some embodiments of the utility model, a movable waterproof test device is disclosed, which comprises a water tank, a booster water pump, a spray pipe and a spray nozzle, wherein the booster water pump is installed and communicated with the water tank, the spray pipe is communicated with the booster water pump, the spray nozzle is installed at the tail end of the spray pipe, the spray nozzle is detachably and fixedly connected with the spray pipe, and an electromagnetic water valve, a flowmeter, a manual pressure regulating valve, a pressure gauge and an infrared module are sequentially arranged along the direction from the booster water pump to the tail end of the spray pipe.

In some embodiments of the utility model, the water tank comprises a water inlet, a water outlet, a floating ball controller, a heating pipe and a temperature sensor, wherein the water inlet is arranged at the top of the water tank, the water outlet is arranged at the bottom of the water tank, the water outlet is correspondingly provided with a drain valve, the floating ball water level controller is arranged in the water tank, and the heating pipe and the temperature sensor are arranged in the water tank.

The bottom of the water tank is fixedly provided with a universal wheel and a forklift loading and unloading part, and the top of the water tank is provided with a crane lifting part.

In some embodiments of the utility model, the waterproof test apparatus further comprises a control instrument module fixedly mounted on the top of the water tank, and the control instrument module is electrically connected with the time controller, the exhaust controller, the temperature controller and the pressure display.

Wherein, booster water pump, heating pipe and electromagnetic water valve are connected with the control instrument module electricity.

In some embodiments of the utility model, the spout and the head are provided with a connection portion and a connection mating portion, respectively, at the connection location.

Wherein, connecting portion sets up to the eye-splice, and connects the cooperation portion and set up to the plug.

In some embodiments of the utility model, the infrared module includes an infrared distance sensor and an infrared temperature sensor.

In some embodiments of the utility model, the spray head is connected with a balancing device, the balancing device comprises a movable baffle and a balancing weight, the balancing weight is fixed on the spray head through a connecting rod, the movable baffle is arranged on the connecting rod and is an arc-shaped plate, and two ends of the movable baffle are respectively provided with a stop block.

In some embodiments of the utility model, the water tank is provided with a gas path interface, and the gas path interface is externally connected with a gas pump.

In some embodiments of the present utility model, the nozzles include three types of nozzles of different types, and the three types of nozzles are respectively a first nozzle adapted for use with both the housing protection levels IPX3 and IPX4, a second nozzle adapted for use with the housing protection level IPX5, and a third nozzle adapted for use with the housing protection level IPX 6.

The utility model has the beneficial effects that:

1) Compared with the traditional waterproof test device, the movable waterproof test device is movable, is convenient for loading and outputting, performs field test on large-scale tested products and products which are already installed and cannot be moved, and is convenient for operation of detection personnel.

2) The nozzle of the utility model is simultaneously provided with the flowmeter and the manual pressure regulating valve, so that the flow of the nozzle can be finely regulated, the flow of the actual nozzle can be intuitively detected, and the test precision is further improved.

3) Compared with the traditional waterproof test device, the infrared distance sensor is added at the tail end of the water spraying pipe, so that a detector can conveniently grasp the distance between the spray head and a tested sample in real time.

Drawings

FIG. 1 is a schematic view of the overall structure of a movable waterproof test apparatus of the present utility model;

FIG. 2 is a schematic view of the structure of a spray pipe and a spray head of the movable waterproof test device of the present utility model;

FIG. 3 is a schematic view showing the structure of a spray pipe and a spray head of the movable waterproof test device of the present utility model.

Reference numerals:

comprising the following steps: 200. a water tank; 210. a water inlet; 220. a water outlet; 230. a float controller; 240. heating pipes; 250. a temperature sensor; 260. a universal wheel; 270. a forklift loading and unloading part; 280. a crane hoisting part; 290. an air path interface; 300. a booster water pump; 400. a water spray pipe; 410. an electromagnetic water valve; 420. a flow meter; 430. a manual pressure regulating valve; 440. a pressure gauge; 450. an infrared module; 500. a spray head; 600. a control instrument module; 610. a time controller; 620. an exhaust controller; 630. a temperature controller; 640. a pressure display; 710. a movable baffle; 720. a counterweight; 730. and a connecting rod.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In some embodiments of the present utility model, a movable waterproof test apparatus is provided, which is convenient to move, simple to operate, and accurate in test condition control, and solves the problems existing in the prior art:

In some embodiments of the present utility model, as shown in fig. 1 to 3, a movable waterproof test apparatus is disclosed, which includes a water tank 200, a booster pump 300 installed and communicated with the water tank 200, a spray pipe 400 communicated with the booster pump 300, and a spray head 500 installed at the end of the spray pipe 400.

The spray head 500 is detachably and fixedly connected with the spray pipe 400.

Wherein, electromagnetic water valve 410, flowmeter 420, manual pressure regulating valve 430, manometer 440 and infrared module 450 are arranged in order along the direction from booster water pump 300 to the end of spray pipe 400.

It should be noted that, the flow of the spray head 500 can be finely adjusted according to the indication of the flowmeter 420, so that the test precision is improved, the spray head 500 and the spray pipe 400 are detachably fixed, and the spray head 500 suitable for different shell protection grades can be replaced according to actual test requirements, so that the whole test process is more convenient to operate.

The infrared module 450 can facilitate the inspector to grasp the inspection parameters of the nozzle 500 and the sample to be inspected in real time.

It should be noted that, the flowmeter 420 and the manual pressure regulating valve 430 are disposed at the connection position of the spray head 500 and the end of the spray pipe 400, so that the flow of the spray head 500 can be finely adjusted, the flow of the actual spray head 500 can be intuitively detected, and the flow is directly compared with the flow value specified by the standard of GB/T4208-2017.

In some embodiments of the present utility model, as shown in fig. 1, a water tank 200 includes a water inlet 210, a water outlet 220, a float controller 230, a heating pipe 240, and a temperature sensor 250.

The water inlet 210 is arranged at the top of the water tank 200, the water outlet 220 is arranged at the bottom of the water tank 200, the water outlet 220 is correspondingly provided with a drain valve, a floating ball water level controller is arranged in the water tank 200, and the heating pipe 240 and the temperature sensor 250 are arranged in the water tank 200.

It should be noted that, compared with the conventional waterproof test apparatus, the water tank 200 is equipped with the heating pipe 240, and the water in the water tank 200 is maintained at a constant temperature, so that test water temperatures in different seasons in different regions can be realized. The temperature specified in the standard is ensured, the temperature difference between the water temperature and the surface of the sample to be tested is not more than 5K, and the accuracy of the test condition is improved.

After the test person arrives at the test site, the water inlet 210 of the water tank 200 can be quickly connected with the water pipe on site, and other preparation work can be performed after water addition is started.

After the water tank 200 is filled, the float controller 230 will automatically close to prevent water from overflowing the water tank 200.

In addition, the bottom of the water tank 200 is fixedly provided with a universal wheel 260 and a forklift loading and unloading part 270, and the top of the water tank 200 is provided with a crane lifting part 280.

As shown in fig. 1, four universal wheels 260 are connected to the bottom of the water tank 200 through bolts, the universal wheels 260 are in the prior art, the working principle of which is not described here again, and the four universal wheels 260 are respectively arranged at four corners of the bottom of the water tank 200.

It should be noted that, the waterproof test device is movable, and moves through the universal wheel 260, and the forklift loading and unloading portion 270 and the crane lifting portion 280 are matched, so that the device is convenient for loading and transporting, and performs field test on large-scale tested products and products which are installed and completed and cannot be moved, and is convenient for operation of detection personnel.

In some embodiments of the present utility model, as shown in fig. 1, the waterproof test apparatus further includes a control meter module 600, the control meter module 600 is fixedly installed at the top of the water tank 200, and the control meter module 600 is electrically connected with a time controller 610, an exhaust controller 620, a temperature controller 630, and a pressure display 640.

Wherein, booster water pump 300, heating tube 240, and solenoid water valve 410 are electrically connected to control instrument module 600.

It should be noted that, the controller can implement the intelligent control process of the waterproof test device, and the control instrument is used for controlling the on-off of the booster water pump 300, the pressure display 640, the heating pipe 240, and the on-off of the electromagnetic water valve 410 and the booster water pump 300.

In some embodiments of the present utility model, the spout 400 and the spray head 500 are provided with a connection portion and a connection mating portion, respectively, at the connection position.

The connection portion is configured as a plug, and the connection mating portion is configured as a plug (not shown in the figure, the connection principle of the connection form of the plug and the plug belongs to the prior art, and those skilled in the art can easily know the connection principle, so that the description thereof is omitted herein).

In the foregoing embodiment, in other embodiments of the present utility model, the connection manner of the water spraying pipe 400 and the nozzle 500 may be other manners, for example, the connection manner of the water spraying pipe 400 and the nozzle 500 may be screwed and fixed by threads, and it should be noted that, based on the basic technical concept of the present embodiment, that is, the nozzle 500 and the water spraying pipe 400 may be detachably connected to facilitate the replacement of the waterproof level of the nozzle 500, which falls within the protection scope of the present utility model.

In some embodiments of the utility model, infrared module 450 includes an infrared distance sensor and an infrared temperature sensor 250.

It should be noted that, the infrared distance sensor can facilitate the inspector to grasp the distance between the nozzle 500 and the sample to be tested in real time, so as to meet the standard to define the test distance, the infrared temperature sensor 250 is used for measuring the temperature of the surface of the sample to be tested in the current environment in real time, and then adaptively adjusting the water temperature in the water tank 200 in real time, so that the test water temperatures in different regions and different seasons can be realized, the requirement that the temperature difference between the water temperature and the surface of the sample to be tested is not greater than 5K specified in the standard is ensured, and the accuracy of the test conditions is improved.

In some embodiments of the present utility model, as shown in fig. 2, a balancing device is connected to the spray head 500, the balancing device includes a movable baffle 710 and a balancing weight 720, the balancing weight 720 is fixed to the spray head 500 through a connecting rod 730, the movable baffle 710 is mounted on the connecting rod 730, the movable baffle 710 is an arc-shaped plate, and two ends of the movable baffle 710 are respectively provided with a stop block.

When the test device is used, firstly, whether the movable baffle 710 needs to be removed is determined according to test requirements, as shown in fig. 2, when the IPX4 test is performed, the movable baffle 710 is installed, the counter weight 720 is pressed down to the end, the movable baffle 710 is locked, and the spray head 500 is aligned to a test sample to perform a waterproof test.

As shown in FIG. 3, the flapper 710 should be removed when performing the IPX5 test.

In some embodiments of the present utility model, as shown in fig. 1, the air passage interface 290 is disposed on the water tank 200, and the air passage interface 290 is externally connected with an air pump.

After the test, the air channel interface 290 is connected with the air pump, the air exhaust controller 620 is started, the air in the air pump is introduced into the water tank 200, the residual water in the spray head 500 is drained completely by the air pressure generated by the air pump, the spray head 500 is prevented from being blocked due to overlong water accumulation time, and the air exhaust controller 620 is closed after the water in the spray head 500 is drained.

In some embodiments of the present utility model, the spray head 500 includes three types of spray heads with different types, and the three spray heads 500 are respectively:

while being suitable for the first spray head 500 of the housing protection classes IPX3 and IPX4, for the second spray head 500 of the housing protection class IPX5, and for the third spray head 500 of the housing protection class IPX 6.

The test suitable for different protection levels of the shell is realized through the replacement of the spray head 500.

Based on the above embodiment, the movable waterproof test apparatus for testing the protection level of a housing of the present utility model includes:

the movable water tank 200, the bottom of movable water tank 200 is provided with universal wheel 260 and realizes movable function, and there is fork truck loading and unloading point at the bottom, and there is navigation crane hoist and mount point at the top, convenient transport.

The water tank 200 is provided with a water outlet 220 at the rear thereof, and the water can be discharged after the test by opening the water discharge valve.

The water tank 200 is provided with a water inlet 210 to allow rapid docking with a field water source to any experimental site.

The water tank 200 is internally provided with a floating ball controller 230, and water is fully filled to automatically stop water supplementing.

The bottom of the water tank 200 is provided with a heating pipe 240 and a temperature sensor 250, which are electrically connected to an instrument controller and a temperature controller 630.

The ambient temperature is measured by the infrared temperature sensor 250 and the test water temperature is calculated according to a standard and the set temperature is determined according to the value of the test water temperature.

When the water temperature is lower than the set temperature, the heater works, and after the water temperature reaches the set temperature, the heater is powered off, so that the water temperature control is realized.

The test device includes booster pump 300, spray pipe 400 and shower nozzle 500 that are provided with the converter, and shower nozzle 500 includes three types:

the first spray head 500 for the enclosure protection classes IPX3 and IPX4, the second spray head 500 for the enclosure protection class IPX5, and the third spray head 500 for the enclosure protection class IPX 6.

The three types of spray heads 500 correspond to the four types of housing protection levels, respectively.

The input end of the booster water pump 300 is communicated with the water tank 200, and the output end is communicated with the input end of the spray head 500 through a spray pipe 400 (hose).

The water spray pipe 400 is provided with an electromagnetic water valve 410, a flowmeter 420, a manual pressure regulating valve 430, an infrared distance sensor, an infrared temperature sensor 250 and a pressure gauge 440.

A manual pressure regulating valve 430, an infrared distance sensor, and a flow meter 420 are located near the input end of the injector 500.

The waterproof test apparatus in the embodiment further includes a control instrument module 600, and the time controller 610, the exhaust controller 620, the temperature controller 630, and the pressure display 640 are all electrically connected to the control instrument module 600, and the booster water pump 300 is electrically connected to the control instrument module 600 through a frequency converter.

The control instrument is used for controlling the on-off of the booster water pump 300, the pressure display 640, the heating pipe 240 and the on-off of the electromagnetic water valve 410 and the booster water pump 300.

When the waterproof test is performed in this embodiment, the spray head 500 is manually held, the infrared distance sensor is turned on, and the spray test is performed on the sample to be tested which is already installed or is not movable on site. According to the GB/T4208-2017 standard requirements, the position of the tested sample is adjusted, the tested shell is sprayed with water from all possible directions through manual rotation, the distance between the spray head 500 and the tested sample can be monitored in real time, and the distance is ensured to be within a standard specified range.

The waterproof test apparatus of the present utility model will be specifically described below by way of example of 1 IPX 5.

The test was performed using the IPX5 test showerhead 500 as claimed in Standard GB/T4208-2017.

The power switch of the control instrument module 600 is turned on, a water source is connected to the water inlet 210 of the water tank 200, the water tank 200 is stored, and after the water level reaches the required position, the water valve is automatically closed.

The surface area of the tested product is calculated, the test time (not less than 3 min) is calculated according to the standard requirement, and the time is set in a time relay on a control instrument. The infrared temperature sensor 250 is used for measuring the surface temperature of a sample to be tested, the water temperature is set on the control instrument according to the sample temperature, and after the water temperature reaches the set temperature, the test can be started.

The experimental spray head 500 is selected, the water pressure is regulated to be between 50 and 150kPa according to standard requirements, the waterproof experimental spray head 500 is held by hands, an infrared distance sensor is turned on, the distance between the spray head 500 and a sample is kept between 2.5 and 3m by adjusting the distance between the spray head and the sample, and the flow meter 420 is manually finely adjusted to control the expression flow to be 12.5+/-0.625L/min. The test starts, the waterproof test sprayer 500 is manually held, water is sprayed to the test shell in all possible directions of the tested sample, and the distance between the sprayer 500 and the tested sample and the real-time water flow rate are monitored in real time. After the time relay reaches the set time, the electromagnetic water valve 410 is closed, the equipment automatically stops water supply, the equipment is powered off, the tested sample is checked, and the qualification judgment is carried out according to the related requirements of the standard GB/T4208-2017.

Finally, the water tank 200 is loaded back to the laboratory by using a forklift or a navigation crane.

According to the utility model, the waterproof test device is improved, the infrared module, the flowmeter and the electromagnetic water valve are arranged on the spray head of the waterproof test device, compared with the traditional waterproof test device, the flow of the spray head can be finely adjusted, the flow of the actual spray head can be intuitively detected, the operation of a detector is facilitated, the infrared module is additionally arranged at the tail end of the spray pipe, the detector can conveniently grasp the distance between the spray head and a tested sample in real time and measure the surface temperature of the tested sample, and in addition, the waterproof test device is movable, and is convenient for loading and outputting.

The utility model has the beneficial effects that:

1) The nozzle of the utility model is simultaneously provided with the flowmeter and the manual pressure regulating valve, so that the flow of the nozzle can be finely regulated, the flow of the actual nozzle can be intuitively detected, and the test precision is further improved.

2) Compared with the traditional waterproof test device, the infrared distance sensor is added at the tail end of the water spraying pipe, so that a detector can conveniently grasp the distance between the spray head and a tested sample in real time.

Those of ordinary skill in the art will appreciate that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The movable waterproof test device comprises a water tank, a booster water pump, a spray pipe and a spray head, wherein the booster water pump is installed on and communicated with the water tank, the spray pipe is communicated with the booster water pump, and the spray head is installed at the tail end of the spray pipe;

the spray head is characterized in that the spray head is detachably and fixedly connected with the spray pipe;

an electromagnetic water valve, a flowmeter, a manual pressure regulating valve, a pressure gauge and an infrared module are sequentially arranged along the direction from the booster water pump to the tail end of the water spray pipe;

the flowmeter and the manual pressure regulating valve are arranged at the connection position of the spray head and the tail end of the spray pipe.

2. The waterproof test apparatus of claim 1, wherein the water tank comprises:

the water inlet is formed in the top of the water tank;

a water outlet is formed in the bottom of the water tank, and a drain valve is correspondingly arranged at the water outlet;

the floating ball controller is arranged in the water tank;

the heating pipe and the temperature sensor are arranged in the water tank;

3. The waterproof test apparatus of claim 2, further comprising a control meter module fixedly mounted to a top of the water tank;

the control instrument module is electrically connected with a time controller, an exhaust controller, a temperature controller and a pressure display;

the booster water pump, the heating pipe and the electromagnetic water valve are electrically connected with the control instrument module.

4. The waterproof test apparatus according to claim 1, wherein the water spray pipe and the spray head are provided with a connection portion and a connection mating portion, respectively, at connection positions;

wherein, connecting portion sets up to the eye-splice, just connect the cooperation portion and set up to the plug.

5. The waterproof test apparatus of claim 1, wherein the infrared module comprises an infrared distance sensor and an infrared temperature sensor.

6. The waterproof test device according to claim 1, wherein the nozzle is connected with a balancing device;

the balancing device comprises a movable baffle and a balancing weight;

the balance weight is fixed on the spray head through a connecting rod;

the movable baffle is arranged on the connecting rod, the movable baffle is an arc-shaped plate, and the two ends of the movable baffle are respectively provided with a stop block.

7. The waterproof test device of claim 1, wherein an air passage interface is provided on the water tank, and the air passage interface is externally connected with an air pump.

8. The waterproof test apparatus according to any one of claims 1 to 7, wherein the spray head includes three types of three kinds of different types, and the three types of spray heads are respectively:

simultaneously, the spray head is suitable for a first spray head of the shell protection grades IPX3 and IPX4, a second spray head of the shell protection grade IPX5 and a third spray head of the shell protection grade IPX 6.