CN220289344U

CN220289344U - Aging test system

Info

Publication number: CN220289344U
Application number: CN202321789135.1U
Authority: CN
Inventors: 梁远文; 陈长安
Original assignee: Shenzhen Jia Chuang Dt Science Co ltd
Current assignee: Shenzhen Jia Chuang Dt Science Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-01-02
Anticipated expiration: 2033-07-07

Abstract

The embodiment of the utility model discloses an aging test system for detecting a product to be tested, and relates to the technical field of aging test, wherein the aging test system comprises a water tank, a water delivery device, a water return device, an air supply device and a plurality of flow dividing devices; the flow dividing devices comprise a first flow dividing pipe, a second flow dividing pipe, a first pneumatic angle valve, a second pneumatic angle valve and a product to be measured; the first pneumatic angle valve is arranged on the first shunt pipe, the second pneumatic angle valve is arranged on the second shunt pipe, and the product to be tested is respectively connected with the first shunt pipe and the second shunt pipe; the water delivery device is respectively connected with the water tank and the first shunt pipes of the plurality of shunt devices, and the water return device is respectively connected with the water tank and the second shunt pipes of the plurality of shunt devices; the air supply device is respectively connected with the plurality of flow dividing devices.

Description

Aging test system

Technical Field

The utility model relates to the technical field of aging test, in particular to an aging test system.

Background

The existing aging test adopts a mode that a plurality of products to be tested are connected in series, and the operation process of the products to be tested generates heat, so that the water supply temperature of the products to be tested on the serial circuit is gradually increased by the mode that the products to be tested are connected in series, especially the temperature difference between the inlet water temperatures of the first product to be tested and the last product to be tested is large, the aging test environment has large difference, the aging test result has large error, and the accuracy of the aging test is reduced.

Disclosure of Invention

The embodiment of the utility model aims to solve the technical problem of avoiding larger errors of aging test results caused by large temperature differences of a plurality of products to be tested.

In order to solve the problems, the embodiment of the utility model discloses an aging test system, which ensures that the water temperature of each product to be tested is constant and the aging test effect is better.

The utility model provides an aging test system which is used for testing a product to be tested, and comprises a water tank, a water delivery device, a water return device, a gas supply device and a plurality of flow dividing devices; the flow dividing devices comprise a first flow dividing pipe, a second flow dividing pipe, a first pneumatic angle valve and a second pneumatic angle valve; the first pneumatic angle valve is arranged on the first shunt tube, the second pneumatic angle valve is arranged on the second shunt tube, and the product to be tested is respectively connected with the first shunt tube and the second shunt tube; the water delivery device is respectively connected with the water tank and the first shunt pipes of the plurality of shunt devices, and the water return device is respectively connected with the water tank and the second shunt pipes of the plurality of shunt devices; the air supply device is respectively connected with a plurality of the flow dividing devices.

The shunt device comprises a connecting piece, wherein the connecting piece is used for connecting a plurality of products to be tested in series, or the connecting piece is used for connecting a plurality of products to be tested in parallel.

The water delivery device comprises a water delivery pipe, a pump body, a first temperature measuring unit and a one-way valve, wherein the first temperature measuring unit and the one-way valve are arranged on the water delivery pipe, and the water delivery pipe is respectively connected with the pump body, the first shunt pipe and the water tank.

The shunt device further comprises a pressure sensor, wherein the pressure sensor is arranged on the first shunt tube; the air supply device is connected with the first shunt tube and positioned at the front side of the pressure sensor, or is connected with the water delivery pipe.

The shunt device further comprises a first valve body and a second valve body, wherein the first valve body is arranged on the first shunt tube, and the second valve body is arranged on the second shunt tube.

The water delivery device further comprises a third valve body and a first filtering unit, wherein the third valve body and the first filtering unit are arranged on the water delivery pipe.

The water return device comprises a water return pipe and a second temperature measuring unit, wherein the water return pipe is respectively connected with the second shunt pipe and the water tank, and the second temperature measuring unit is arranged on the water return pipe.

The water return device further comprises a fourth valve body and a second filtering unit, wherein the fourth valve body and the second filtering unit are arranged on the water return pipe.

The flow dividing device further comprises a flow meter and an electric proportional control valve, wherein the flow meter is arranged on the first flow dividing pipe, and the electric proportional control valve is arranged on the second flow dividing pipe.

The water delivery device is connected with the water tank, the water return device is connected with the water tank, and the water delivery device is connected with the water return device in a one-to-one correspondence manner.

Compared with the prior art, the technical effects achieved by the embodiment of the utility model include:

the air supply device is respectively connected with all the flow dividing devices, so that the air supply device can supply compressed air to all the flow dividing devices uniformly, pressure maintaining of products to be detected on each flow dividing device is realized, and power for conveying water vapor from the water conveying device to the water returning device is provided; and the water delivery devices are respectively connected with the first shunt pipes of the plurality of shunt devices, and the water tank outputs water with preset temperature values, so that the difference of heat lost by the first shunt pipes of the water delivery devices entering the various shunt devices is not large, the water tank outputs water with the preset temperature values to uniformly perform aging test on the products to be tested of all the shunt devices, the problem that the temperature difference of the test water temperatures on the serial loops of the products to be tested is large, and especially the test water temperatures of the first product to be tested and the last product to be tested are inconsistent is solved, the difference of the aging test environments of the products to be tested of all the shunt devices is reduced, the error of the aging test results is further reduced, and the efficiency of the aging test is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an aging test system according to an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of an aging test system according to an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of an aging test system according to an embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of an aging test system according to an embodiment of the present utility model;

FIG. 5 is a schematic structural diagram of an aging test system according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of an aging test system according to an embodiment of the present utility model.

Reference numerals

The water tank 1, the water delivery device 2, the water return device 3, the air supply device 4, the flow dividing device 5, the first flow dividing pipe 51, the second flow dividing pipe 52, the first pneumatic angle valve 53, the second pneumatic angle valve 54, the product to be tested 55, the water delivery pipe 21, the pump body 22, the first temperature measuring unit 23, the one-way valve 24, the pressure sensor 56, the first valve body 57, the second valve body 58, the third valve body 25, the first filtering unit 26, the water return pipe 31, the second temperature measuring unit 32, the fourth valve body 33, the second filtering unit 34, the flowmeter 59 and the electric proportional control valve 510.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which like reference numerals represent like components. It will be apparent that the embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the utility model. As used in the specification of the embodiments of the utility model and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Referring to fig. 1-6, an embodiment of the present utility model provides a burn-in test system for testing a product under test 55. The aging test system comprises a water tank 1, a water delivery device 2, a water return device 3, a gas supply device 4 and a plurality of flow dividing devices 5. The specific description of each component is as follows:

in this embodiment, the flow dividing devices 5 each include a first flow dividing pipe 51, a second flow dividing pipe 52, a first pneumatic angle valve 53, and a second pneumatic angle valve 54; the first pneumatic angle valve 53 is disposed on the first shunt tube 51, the second pneumatic angle valve 54 is disposed on the second shunt tube 52, and the product 55 to be tested is connected with the first shunt tube 51 and the second shunt tube 52 respectively; the water delivery device 2 is respectively connected with the water tank 1 and the first shunt pipes 51 of the plurality of shunt devices 5, and the water return device 3 is respectively connected with the water tank 1 and the second shunt pipes 52 of the plurality of shunt devices 5; the air supply device 4 is connected to a plurality of the flow dividing devices 5.

Specifically, the compressed air output by the air supply device 4 and the water tank 1 output water through the water delivery device 2 for the product 55 to be tested to perform an aging test, and the water discharged by the product 55 to be tested is returned to the water tank 1 through the water return device 3. In one embodiment, the air supply device 4 provides the pressure required for maintaining the pressure of the product 55 to be tested, or the air supply device 4 uses the water vapor for air-drying the product 55 to be tested. The water tank 1 is internally provided with a heat exchanger, the heat exchanger is used for exchanging heat to water so that the water tank 1 outputs water with constant water temperature, the water tank 1 is respectively called a high-temperature water tank or a low-temperature water tank according to the high temperature or low temperature of the water output by the water tank 1 so as to perform high-temperature aging test or low-temperature aging test of products, the high-temperature water tank has the function of raising the water to a preset temperature value and outputting the water through an outlet of the water tank 1, and the low-temperature water tank has the function of cooling the water to the preset temperature value and outputting the water through the outlet of the water tank 1. The water delivery device 2 is used for delivering water output by the water tank 1 to the flow dividing device 5, the flow dividing device 5 is used for installing a product 55 to be tested and providing an environment for aging test of the product 55 to be tested, a water inlet of the product 55 to be tested is connected with the first flow dividing pipe 51, and the first pneumatic angle valve 53 is arranged on the first flow dividing pipe 51; the water outlet of the product to be measured 55 is connected with the second shunt tube 52, and the second pneumatic angle valve 54 is arranged on the second shunt tube 52. The air supply device 4 is used for supplying compressed air to all the flow dividing devices 5, so that the air pressure of the pipelines in all the flow dividing devices 5 reaches a preset air pressure value. The plurality of the flow dividing devices 5 are mutually connected in parallel, and the first flow dividing pipes 51 of all the flow dividing devices 5 are connected with the water delivery device 2; the second shunt tubes 52 of all shunt devices 5 are connected with the water return device 3.

The working process of the aging test system is as follows:

referring to fig. 2, first, the first air angle valve 53 is opened and the second air angle valve 54 is closed, and the air supply device 4 is opened to supply compressed air to all the flow dividing devices 5 and reach a preset air pressure value; secondly, the air supply device 4 is closed, the second pneumatic angle valve 54 is opened, the water output by the water tank 1 is respectively transmitted by the conveying device to enter the product to be tested 55 through the first shunt pipes 51 of all the shunt devices 5 for circulation, the product to be tested 55 outputs the circulated water and is collected in the water return device 3 through the connected second shunt pipes 52, and finally the collected water is input into the water tank 1 by the water return device 3.

Referring to fig. 3 to 6, first, the first pneumatic angle valve 53 and the second pneumatic angle valve 54 are closed, and the gas supply device 4 is opened to supply the compressed gas to all the flow dividing devices 5 and reach a preset gas pressure value; secondly, the air supply device 4 is closed, the first pneumatic angle valve 53 and the second pneumatic angle valve 54 are simultaneously opened, the conveying device respectively conveys water output by the water tank 1 to enter a product to be tested 55 through the first shunt pipes 51 of all the shunt devices 5 for circulation, the product to be tested 55 outputs the circulated water and is collected in the water return device 3 through the connected second shunt pipes 52, and finally the water return device 3 inputs the collected water into the water tank 1.

The air supply device 4 is respectively connected with all the flow dividing devices 5, so that the air supply device 4 can uniformly supply compressed air to all the flow dividing devices 5, pressure maintaining of the products 55 to be tested on each flow dividing device 5 is realized, and the power for conveying water vapor from the water conveying device 2 to the water returning device 3 is provided; and a plurality of the flow dividing devices 5 are connected in parallel, the water delivery device 2 is respectively connected with the first flow dividing pipes 51 of the plurality of the flow dividing devices 5, and the difference of heat lost by the water which is output by the water tank 1 and enters the first flow dividing pipes 51 of each flow dividing device 5 through the water delivery device 2 is not large, so that the water which is output by the water tank 1 and is at the preset temperature uniformly carries out the aging test on the products 55 to be tested of all the flow dividing devices 5, the problem that the temperature difference of the inlet water temperature of the first product 55 to be tested and the last product 55 to be tested is large due to the gradual increase of the water supply temperature on the serial loops of the plurality of products 55 to be tested is solved, the difference of the aging test environments of the products 55 to be tested of all the flow dividing devices 5 is reduced, the error of the aging test results is further reduced, and the aging test efficiency is improved.

With continued reference to fig. 1-6, in this embodiment, the flow splitting device 5 includes a connector for connecting a plurality of products to be tested 55 in series with each other or for connecting a plurality of products to be tested 55 in parallel with each other.

Specifically, a plurality of products to be tested 55 may be disposed in one of the shunting devices 5, and the products to be tested may be connected by a connecting member (not shown) including a shunt tube, a three-way valve, etc., so as to implement series connection of the products to be tested or parallel connection of the products to be tested, see fig. 2-3, the products to be tested 55 in one of the shunting devices 5 may be connected in series or parallel connection, the number of the products to be tested 55 in one of the shunting devices 5 may be set according to an actual scenario, it should be noted that, generally, when the products to be tested 55 in one of the shunting devices 5 are connected in series, the number of the products to be tested 55 in one of the shunting devices 5 is selected to be two, so that after the high-temperature water exchanges heat through the previous product 55 to be tested in series with the product to be tested 55, the water temperature change is not great, and then enters the next product to be tested 55 to be tested in series with heat exchange, the aging inlet temperatures of the two products to be tested 55 are close, and errors caused by aging test results are negligible, and accuracy of aging test is still ensured.

The shunt device 5 of the products 55 to be tested in series and the shunt device 5 of the products 55 to be tested in parallel can be combined at will according to the test scene, the degree of customization is higher, and the installation space can be utilized more reasonably.

Further, the water delivery device 2 includes a water delivery pipe 21, a pump body 22, a first temperature measuring unit 23 and a one-way valve 24, the first temperature measuring unit 23 and the one-way valve 24 are disposed on the water delivery pipe 21, and the water delivery pipe 21 is respectively connected with the pump body 22, the first shunt tube 51 and the water tank 1.

Specifically, the water pipe 21 is used for communicating the water tank 1 with the first shunt tube 51 of the shunt device 5, and the pump body 22, the one-way valve 24 and the first temperature measuring unit 23 are sequentially arranged on the water pipe 21. The first temperature measuring unit 23 is used for measuring the temperature value of water entering the diversion device 5, the pump body 22 is used for providing power for water flowing from the water tank 1 to the diversion device 5, and the one-way valve 24 is arranged at the rear side of the pump body 22 connected with the water delivery pipe 21, and the one-way valve 24 prevents the water flowing from the diversion device 5 to the water tank 1 and prevents the water from flowing reversely.

In an embodiment, the water pipe 21 is further provided with a pressure gauge and a buffer device, the buffer device is arranged on the front side of the pump body 22 connected with the water pipe 21, and the pressure gauge is arranged on the rear side of the pump body 22 connected with the water pipe 21. The buffer device comprises a ball valve and an expansion tank, wherein the ball valve is used for communicating/blocking connection of the expansion tank and the water delivery pipe 21, and the pressure gauge is used for measuring and displaying the pressure in the water delivery pipe 21.

The pump body 22 operates to increase the loop circulation power of the whole water tank 1, and a one-way valve 24 is arranged in the outlet direction of the water tank 1 to prevent reverse flow and ensure the normal loop circulation operation of the water tank 1.

Further, the shunt device 5 further comprises a pressure sensor 56, and the pressure sensor 56 is arranged on the first shunt tube 51; the air supply device 4 is connected to the first shunt tube 51 and located at the front side of the pressure sensor 56, or the air supply device 4 is connected to the water pipe 21.

Specifically, the pressure sensor 56 is used for detecting the air pressure of the air supply device 4, and in one embodiment, the air supply device further comprises a controller, the controller is respectively connected with the pressure sensor 56, the first pneumatic angle valve 53 and the second pneumatic angle valve 54, and the controller can open/close the first pneumatic angle valve 53 and the second pneumatic angle valve 54 through the electric signals sent by the pressure sensor 56. The air supply device 4 comprises an air delivery unit and an electromagnetic valve, the air delivery unit outputs compressed air, the electromagnetic valve is arranged on a pipeline connected with the first shunt pipe 51 and used for communicating/blocking the connection of the air delivery unit and the first shunt pipe 51, or the electromagnetic valve is arranged on a pipeline connected with the air delivery unit and the water delivery pipe 21 and used for communicating/blocking the connection of the air delivery unit and the water delivery pipe 21.

When there are a plurality of the branching devices 5, the air supply device 4 can be connected with the water pipe 21, only the water pipe 21 as a main pipe is provided with one compressed air inlet, and the first branching pipes 51 of all the branching devices 5 as branch flow paths do not need to be provided with the compressed air inlet, so that the complexity of installing devices is effectively reduced, the whole system is simplified, and the volume of the system is reduced.

Further, the shunt device 5 further includes a first valve body 57 and a second valve body 58, the first valve body 57 is disposed on the first shunt tube 51, and the second valve body 58 is disposed on the second shunt tube 52.

Specifically, the first valve body 57 and the second valve body 58 are both manual ball valves, the first valve body 57 is disposed on the front side of the first pneumatic angle valve 53, the second valve body 58 is disposed on the rear side of the first pneumatic angle valve 53, and the manual ball valves can cut off or switch on a medium for cutting off during maintenance of the device.

Further, the water delivery device 2 further includes a third valve body 25 and a first filtering unit 26, and the third valve body 25 and the first filtering unit 26 are both disposed on the water delivery pipe 21.

Specifically, the third valve body 25 is disposed at the water outlet of the water tank 1, and a first filtering unit 26 is disposed at the rear side of the third valve body 25, and the third valve body 25 can cut off or switch on the medium for cutting off the device during maintenance. The first filtering unit 26 serves to filter impurities of the water entering the water pipe 21 from the water tank 1.

Further, the water return device 3 includes a water return pipe 31 and a second temperature measuring unit 32, the water return pipe 31 is respectively connected with the second shunt pipe 52 and the water tank 1, and the second temperature measuring unit 32 is disposed on the water return pipe 31.

Specifically, the return pipe 31 merges water from the second diversion pipe 52 of all the diversion devices 5, guides the merged water to the water tank 1, and is provided with a second temperature measuring unit 32 to measure the water temperature in the return pipe 31.

Further, the water return device 3 further includes a fourth valve body 33 and a second filtering unit 34, and the fourth valve body 33 and the second filtering unit 34 are both disposed on the water return pipe 31.

Specifically, the fourth valve body 33 is disposed at the water return port of the water tank 1, and a second filter unit 34 is disposed at the front side of the fourth valve body 33, and the fourth valve body 33 can cut off or switch on the medium for cutting off the device during maintenance. The second filtering unit 34 serves to filter impurities of the water entering the water tank 1 from the return pipe 31.

Further, the flow dividing device 5 further includes a flow meter 59 and an electric proportional control valve 510, the flow meter 59 is disposed on the first flow dividing pipe 51, and the electric proportional control valve 510 is disposed on the second flow dividing pipe 52.

Specifically, the electric proportional control valve 510 is used for adjusting the medium flow in the flow dividing device 5, and is provided with the flowmeter 59 to visualize the flow, wherein when the test temperature in the flow dividing device 5 is higher than the preset temperature value, the electric proportional control valve 510 can be adjusted to increase the medium flow in the flow dividing device 5, and when the test temperature in the flow dividing device 5 is lower than the preset temperature value, the electric proportional control valve 510 can be adjusted to decrease the medium flow in the flow dividing device 5, so that the temperature is maintained in a safe range to test the product 55 to be tested.

Further, the water treatment device also comprises a plurality of water delivery devices 2 and a plurality of water return devices 3, wherein a plurality of water delivery devices 2 are connected with the water tank 1, a plurality of water return devices 3 are connected with the water tank 1, and the water delivery devices 2 are connected with the water return devices 3 in a one-to-one correspondence manner by the flow distribution devices 5.

Specifically, the water tank 1 may be further connected to a plurality of loops, each loop is connected to a water delivery device 2-a flow dividing device 5-a water return device 3, all loops are connected in parallel, in an embodiment, the water tank 1 is a low-temperature water tank, including a plurality of water outlets and water return ports, see fig. 4, a plurality of water delivery devices 2 are all connected to the water tank 1, a plurality of water return devices 3 are all connected to the water tank 1, and the flow dividing device 5 connects the water delivery devices 2 to the water return devices 3 in a one-to-one correspondence.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying 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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a 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, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An aging test system is used for testing a product to be tested and is characterized by comprising a water tank, a water delivery device, a water return device, an air supply device and a plurality of flow dividing devices; the flow dividing devices comprise a first flow dividing pipe, a second flow dividing pipe, a first pneumatic angle valve and a second pneumatic angle valve; the first pneumatic angle valve is arranged on the first shunt tube, the second pneumatic angle valve is arranged on the second shunt tube, and the product to be tested is respectively connected with the first shunt tube and the second shunt tube; the water delivery device is respectively connected with the water tank and the first shunt pipes of the plurality of shunt devices, and the water return device is respectively connected with the water tank and the second shunt pipes of the plurality of shunt devices; the air supply device is respectively connected with a plurality of the flow dividing devices.

2. The burn-in system of claim 1, wherein the shunt device comprises a connector for connecting a plurality of the products under test in series with each other or for connecting a plurality of the products under test in parallel with each other.

3. The aging test system according to claim 1, wherein the water delivery device comprises a water delivery pipe, a pump body, a first temperature measurement unit and a one-way valve, wherein the first temperature measurement unit and the one-way valve are arranged on the water delivery pipe, and the water delivery pipe is respectively connected with the pump body, the first shunt pipe and the water tank.

4. The burn-in system of claim 3 wherein said shunt device further comprises a pressure sensor, said pressure sensor being disposed on said first shunt tube; the air supply device is connected with the first shunt tube and positioned at the front side of the pressure sensor, or is connected with the water delivery pipe.

5. The burn-in system of claim 1 wherein the shunt device further comprises a first valve body disposed on the first shunt tube and a second valve body disposed on the second shunt tube.

6. The burn-in system of claim 3 wherein said water delivery device further comprises a third valve body and a first filter unit, said third valve body and said first filter unit being disposed on said water delivery tube.

7. The aging test system according to claim 1, wherein the water return device comprises a water return pipe and a second temperature measuring unit, the water return pipe is respectively connected with the second shunt pipe and the water tank, and the second temperature measuring unit is arranged on the water return pipe.

8. The burn-in system of claim 7 wherein the water return device further comprises a fourth valve body and a second filter unit, the fourth valve body and the second filter unit being disposed on the water return tube.

9. The burn-in system of claim 1 wherein said flow diversion device further comprises a flow meter disposed on said first flow diversion tube and an electrically powered proportional control valve disposed on said second flow diversion tube.

10. The burn-in system of claim 1 further comprising a plurality of water delivery devices and a plurality of water return devices, wherein a plurality of said water delivery devices are each connected to said water tank, a plurality of said water return devices are each connected to said water tank, and said flow splitting devices connect said water delivery devices to said water return devices in a one-to-one correspondence.