CN112098017A - Helium detection tool for water-cooling plate - Google Patents
Helium detection tool for water-cooling plate Download PDFInfo
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- CN112098017A CN112098017A CN202010782432.8A CN202010782432A CN112098017A CN 112098017 A CN112098017 A CN 112098017A CN 202010782432 A CN202010782432 A CN 202010782432A CN 112098017 A CN112098017 A CN 112098017A
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- vacuum box
- assembly
- sealing
- box body
- water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
Abstract
The invention discloses a helium detection tool for a water-cooling plate, which comprises a rack and an operation platform arranged in the rack, wherein a vacuumizing assembly and a vacuum box are arranged on the rack, a helium detection assembly is also arranged on one side of the rack, the vacuum box comprises a vacuum box body and a sealing box door, the upper wall of the vacuum box body is communicated with the helium detection assembly through the sealing assembly, the sealing assembly is driven by a first air cylinder assembly, an output shaft of the first air cylinder assembly is a hollow shaft, one end of the output shaft is positioned in the vacuum box body, the other end of the output shaft is positioned outside the vacuum box body, and one end of the hollow shaft, which is positioned outside the vacuum box body, is connected with the helium detection; the sealing box door is fixedly installed on the operation platform, the opening direction of the vacuum box body faces downwards, and the operation platform is further fixedly provided with a supporting component used for supporting the second air cylinder component. The invention can realize the dry detection of the water cooling plate, complete the automatic sealing test of the water cooling plate and improve the test efficiency, the test precision and the test accuracy of the air tightness of the water cooling plate.
Description
Technical Field
The invention relates to an air tightness leakage detection technology, in particular to a helium detection tool for a water-cooling plate.
Background
The water cooling plate is an important component of a heat dissipation system, and is filled with substances such as cooling liquid and the like, so that the service life and the safety of a product are directly influenced due to the good sealing performance of the water cooling plate. However, the traditional water detection method is low in operation efficiency and detection precision by pressing high-pressure gas into the water cooling plate and then putting the water cooling plate into water to manually observe whether the water cooling plate leaks or not, and the detection result is unreliable through human eye observation, so that the water detection method causes pollution to the water cooling plate, and the steps of drying and the like are required to be added after detection, thereby increasing the production cost.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the helium detection tool for the water cooling plate, which can realize dry detection of the water cooling plate, complete automatic sealing test of the water cooling plate and improve the test efficiency, the test precision and the test accuracy of the air tightness of the water cooling plate.
The technical scheme adopted by the invention for solving the technical problems is as follows: a helium detection tool for a water-cooled plate comprises a rack and an operation platform arranged in the rack, wherein a vacuumizing assembly and a vacuum box are arranged on the rack, a helium detection assembly is further arranged on one side of the rack, and the vacuumizing assembly and the helium detection assembly are respectively communicated with the vacuum box;
the vacuum box comprises a vacuum box body and a sealing box door, the upper wall of the vacuum box body is communicated with the helium detection assembly through a sealing assembly, and the sealing assembly is driven by a first cylinder assembly to enable the sealing assembly to be sealed with the upper wall of the vacuum box; the output shaft of the first cylinder assembly is a hollow shaft, one end of the output shaft is located in the vacuum box body, the other end of the output shaft is located outside the vacuum box body, and one end, located outside the vacuum box body, of the hollow shaft is connected with the helium detection assembly through an air pipe;
the sealing box door is fixedly arranged on the operating platform, the opening direction of the vacuum box body is downward, the vacuum box body moves up and down through a second air cylinder assembly arranged on the operating platform, and a supporting assembly for supporting the second air cylinder assembly is also fixedly arranged on the operating platform;
after the water cooling plate is conveyed into the vacuum box, the distance between the air charging port of the water cooling plate and the sealing surface of the sealing assembly is consistent with the stroke of the first cylinder assembly.
Optionally, a positioning mechanism for positioning the water cooling plate is further arranged in the vacuum box.
Optionally, the positioning mechanism includes a coarse positioning mechanism and a fine positioning mechanism;
the coarse positioning mechanism comprises a plurality of positioning blocks, wherein at least two positioning blocks are linearly arranged in the plurality of positioning blocks, the rest positioning blocks are linearly arranged, and the two straight lines are vertically distributed;
the fine positioning mechanism comprises two third air cylinder assemblies which are fixedly arranged on two adjacent side walls of the vacuum box body respectively, so that the output ends of the third air cylinder assemblies are matched with the positioning blocks to position the water cooling plate.
Optionally, an adjusting device is arranged at the bottom of the positioning block, and the positioning block adjusts the positioning position through the adjusting device.
Optionally, the sealing assembly includes a first sealing sheet and a second sealing sheet, the first sealing sheet is fixedly installed at an end portion of the output shaft of the first cylinder assembly, the second sealing sheet is fixedly installed on an upper wall of the vacuum box body, and a hole for the output shaft of the first cylinder assembly to pass through is formed in the middle of the second sealing sheet.
Optionally, after the sealing assembly moves downwards and seals the vacuum box body, the first cylinder assembly drives the water cooling plate to seal.
By adopting the technical scheme, compared with the prior art, the dry detection of the water cooling plate can be realized, the automatic sealing test of the water cooling plate is completed, and the test efficiency, the test precision and the test accuracy of the air tightness of the water cooling plate are improved.
Drawings
FIG. 1 is an overall assembly view of the present invention;
FIG. 2 is a schematic structural view of the housing of the present invention;
FIG. 3 is a schematic view of the distribution of the vacuum boxes of the present invention;
FIG. 4 is a schematic view of the construction of the vacuum box of the present invention;
FIG. 5 is a schematic structural view of the seal assembly of the present invention;
FIG. 6 is a schematic structural view of the fine positioning mechanism of the present invention;
FIG. 7 is a schematic structural view of the coarse positioning mechanism of the present invention;
FIG. 8 is a schematic view of the construction of the adjustment device of the present invention;
fig. 9 is a schematic view of the positioning mechanism of the present invention assembled with a water cooled plate.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in figure 1, the invention discloses a helium detection tool for a water-cooling plate, which comprises a rack 1, wherein a vacuumizing assembly 2 and a vacuum box 3 are arranged in the rack 1, a helium detection assembly 5 is also arranged on the rear side of the rack 1, a positioning mechanism 6 is arranged on an operation platform 102, and the water-cooling plate 7 is conveyed to the positioning mechanism 6 by a manipulator in the previous process before helium detection is carried out on the water-cooling plate 7. The helium detection component 5 comprises a helium filling mechanism and a helium leak detector, the helium filling mechanism is used for filling helium to the water cooling plate 7, and the helium leak detector is used for detecting the leakage rate of the water cooling plate 7.
As shown in fig. 1 and 2, the frame 1 of the present invention includes a frame-shaped main body 101, a single operation platform 102 is fixedly installed inside the frame of the main body 101, two vacuum boxes 3 capable of moving up and down are installed on the operation platform 102, and for convenience of describing the vacuum boxes 3 later, as shown in fig. 3, the two vacuum boxes are named as a first vacuum box 301 and a second vacuum box 302, respectively, and the openings of the two vacuum boxes 3 face in the same direction, which is perpendicular to the operation platform 102, that is, the openings of the vacuum boxes 3 are disposed downward. The vacuum box 3 comprises vacuum box bodies, the operating platform 102 is respectively and fixedly provided with a sealing box door 103 matched with the openings of the vacuum box bodies on the lower sides of the openings of the two vacuum box bodies, and one sealing box door 103 can only seal one vacuum box body. As shown in fig. 3, the first vacuum chamber 301 is driven by the second cylinder assembly 104 mounted on the cylinder mounting plate, and the first vacuum chamber 301 can be moved up and down in a direction perpendicular to the seal box door 103 by the driving of the second cylinder assembly 104, thereby achieving an open state or a sealed state of the opening of the first vacuum chamber 301. Similarly, the opening or sealing of the second vacuum box 302 is the same process as the first vacuum box 301.
As shown in fig. 2, door bodies 105 that can be opened and closed are provided on both sides of the main body 101, and the door bodies 105 enclose the inside of the rack 1 so as to prevent an irrelevant person from approaching the vacuum module 2. In the present embodiment, the vacuum pumping assembly 2 specifically includes vacuum pumping pumps, and the vacuum pumping pumps are respectively connected to the two vacuum boxes 3.
In the present embodiment, the two vacuum boxes 3 are identical in structure. Specifically, as shown in fig. 4, the vacuum box 3 includes a vacuum box body 303, the upper wall of the vacuum box body 303 is provided with a plurality of first mounting holes 304, and the side wall of the vacuum box body 303 is provided with a plurality of second mounting holes 305. Specifically, in one embodiment of the present invention, three first mounting holes 304 are formed in the upper wall of the vacuum box body 303, and the three first mounting holes 304 correspond to 3 inflation ports of the inflation port 701, so as to ensure that the mounting holes 304 can completely cover the inflation port 701; in addition, two adjacent side walls of the vacuum box body 303 are respectively provided with a second mounting hole 305, and the two mounting holes 305 are provided with the fine positioning mechanism 4 for performing fine positioning on the water-cooling plate 7.
As shown in fig. 5, the sealing assembly 9 is driven by the first cylinder assembly 10, the first cylinder assembly 10 drives the sealing assembly 9 to move in the vertical direction, the output shaft of the first cylinder assembly 10 is a hollow shaft 1001, and one end of the hollow shaft 1001 is located in the vacuum box body 303, the other end of the hollow shaft 1001 is located outside the vacuum box body 303, and meanwhile, one end of the hollow shaft 1001 located outside the vacuum box body 303 is connected with the helium detecting assembly 5 through an air pipe. After the water-cooled plate 7 is conveyed into the vacuum box body 303, the axis of the inflation port 701 of the water-cooled plate 7 coincides with the axis of the corresponding first mounting hole 304, and the distance between the inflation port 701 of the water-cooled plate 7 and the sealing surface of the seal assembly 9 coincides with the stroke of the first cylinder assembly 10.
In the present invention, as shown in fig. 5, the sealing assembly 9 specifically includes a first sealing sheet 901 located inside the vacuum box body 303, and a second sealing sheet 902 located outside the vacuum box body 303. A first sealing plate 901 is fixedly mounted on the end of the hollow shaft 1001, and a second sealing plate 902 is fixedly mounted on the mounting hole 304. The hollow shaft 1001 penetrates through the middle hole of the second sealing sheet 902, a hollow connector 1002 for sealing the middle hole of the second sealing sheet 902 is fixedly mounted on a shaft body of the hollow shaft 1001 penetrating through the outside of the vacuum box body 303, the hollow connector 1002 is coaxial with the hollow shaft 1001, the inner diameter of the hollow connector 1002 is smaller than that of the hollow shaft 1001, and the outer diameter of the hollow connector 1002 is larger than that of the hollow shaft 1001 and that of the middle hole of the second sealing sheet 902. In addition, an air pipe connected with the helium detecting component 5 is also arranged on the hollow connector 1002.
In the present invention, as shown in fig. 9, after the water-cooling plate 7 is conveyed into the vacuum box 3, it is first required to position the water-cooling plate by the positioning mechanism, so as to ensure more accurate positioning during fine positioning, and further improve the positioning accuracy of the water-cooling plate. Specifically, as shown in fig. 7, in the present embodiment, the positioning mechanism includes the rough positioning mechanism 6 and the fine positioning mechanism 4 described above. The coarse positioning mechanism 6 includes positioning blocks 601 arranged in pairs, wherein at least two positioning blocks 601 are arranged in a straight line, the remaining positioning blocks 601 are arranged in another straight line, and the two straight lines are vertically distributed, so that the shape enclosed by the positioning blocks 601 is adapted to the shape structure of the water cooling plate 7, and when the positioning blocks 601 position the water cooling plate 7, the positioning blocks 601 are located on the side surface of the water cooling plate 7. The coarse positioning mechanism 6 further comprises a water-cooling plate cushion block 602 arranged at the bottom of the water-cooling plate, and the water-cooling plate cushion block 602 is a stressed supporting point of the water-cooling plate 7 and mainly used for supporting the water-cooling plate 7.
In the present invention, after the water-cooled plate 7 is coarsely positioned in the vacuum box 3, the vacuum box main body 303 is closed by the driving of the second cylinder assembly 104, so that the space between the vacuum box main body 303 and the sealing box door 103 is sealed, and the fine positioning mechanism 4 for fine positioning is also moved to a specified position along with the vacuum box main body 303. Specifically, as shown in fig. 6, in this embodiment, the fine positioning mechanism 4 includes a positioning third cylinder assembly 401, a cylinder mounting plate 402, and a fine positioning push block 403 mounted on the third cylinder assembly 401, then the positioning cylinder on the third cylinder assembly 401 pushes the fine positioning push block 403, the fine positioning push block 403 pushes the water-cooling plate 7, and then the water-cooling plate 7 is accurately positioned in the vacuum chamber 3 under the limit of the positioning mechanism 6.
In the invention, a positioning block 601 arranged on a sealed box door 103 adopts an adjusting device to realize position adjustment of the positioning block 601, specifically, as shown in fig. 8, the adjusting device comprises a quick bolt 603 and a positioning guide rail 604, the positioning guide rail 604 is provided with a plurality of positioning grooves 605 for matching with the quick bolt 603, meanwhile, the sealed box door 103 is also provided with a guide rail 606 for slidably connecting the positioning block 601, and when the water cooling plate is changed, the position of the positioning block 601 is adjusted to complete the model change; wherein, the position adjustment of the quick bolt 603 is used for adapting to the water-cooling plates 7 with different sizes,
according to the helium testing tool for the water cooling plate, when the helium testing is carried out on the water cooling plate 7, firstly, the water cooling plate 7 is placed on the coarse positioning mechanism 6 arranged in the vacuum box 3 by the manipulator of the previous process for coarse positioning, then the vacuum box body 303 is closed and sealed under the driving of the second air cylinder assembly 104, then the fine positioning push block 403 is driven by the third air cylinder assembly 401 to enable the water cooling plate 7 to achieve fine positioning, then the first air cylinder assembly 10 is started to enable the sealing assembly 9 to seal the air charging port 701 of the water cooling plate 7, after the air charging port 701 is sealed, the helium charging mechanism is started to charge air into the water cooling plate 7, the vacuum pump is started simultaneously to respectively vacuumize the first vacuum box 301 and the second vacuum box 302, when the air charging pressure in the water cooling plate 7 reaches 2.0MPa and the vacuum degree reaches 80% or above, the helium leak detector is used for detecting the air tightness of the water cooling plate 7, after the detection is finished, the helium filling mechanism withdraws the helium in the water cooling plate 7 for recovery, then the sealing box door 103 is opened, meanwhile, the first cylinder assembly 10 and the third cylinder assembly 4 contract to release the sealing and positioning of the gas filling port 701 of the water cooling plate 7, then the driving vacuum box body 303 of the second cylinder assembly 104 is opened to release the sealing, finally, the manipulator takes out the water cooling plate 7, the test is finished, the test result is output, and the whole helium detection process of the water cooling plate 7 is finished.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (6)
1. The helium detection tool for the water cooling plate is characterized by comprising a rack and an operation platform arranged in the rack, wherein the rack is provided with a vacuumizing assembly and a vacuum box, one side of the rack is also provided with a helium detection assembly, and the vacuumizing assembly and the helium detection assembly are respectively communicated with the vacuum box;
the vacuum box comprises a vacuum box body and a sealing box door, the upper wall of the vacuum box body is communicated with the helium detection assembly through a sealing assembly, and the sealing assembly is driven by a first cylinder assembly to enable the sealing assembly to be sealed with the upper wall of the vacuum box; the output shaft of the first cylinder assembly is a hollow shaft, one end of the output shaft is located in the vacuum box body, the other end of the output shaft is located outside the vacuum box body, and one end, located outside the vacuum box body, of the hollow shaft is connected with the helium detection assembly through an air pipe;
the sealing box door is fixedly arranged on the operating platform, the opening direction of the vacuum box body is downward, the vacuum box body moves up and down through a second air cylinder assembly arranged on the operating platform, and a supporting assembly for supporting the second air cylinder assembly is also fixedly arranged on the operating platform;
after the water cooling plate is conveyed into the vacuum box, the distance between the air charging port of the water cooling plate and the sealing surface of the sealing assembly is consistent with the stroke of the first cylinder assembly.
2. The water-cooled plate helium test tool of claim 1, wherein a positioning mechanism for positioning the water-cooled plate is further arranged in the vacuum box.
3. The helium testing tool for the water-cooling plate according to claim 2, wherein the positioning mechanism comprises a coarse positioning mechanism and a fine positioning mechanism;
the coarse positioning mechanism comprises a plurality of positioning blocks, wherein at least two positioning blocks are linearly arranged in the plurality of positioning blocks, the rest positioning blocks are also linearly arranged, and the two straight lines are vertically distributed;
the fine positioning mechanism comprises two third air cylinder assemblies which are fixedly arranged on two adjacent side walls of the vacuum box body respectively, so that the output ends of the third air cylinder assemblies are matched with the positioning blocks to position the water cooling plate.
4. The helium testing tool for the water-cooled plate as claimed in claim 3, wherein the bottom of each locating block is provided with an adjusting device, and the locating blocks are adjusted in location by the adjusting devices.
5. The water-cooled plate helium detection tool according to claim 4, wherein the sealing assembly comprises a first sealing sheet and a second sealing sheet, the first sealing sheet is fixedly installed at the end part of the output shaft of the first cylinder assembly, the second sealing sheet is fixedly installed on the upper wall of the vacuum box body, and a hole for the output shaft of the first cylinder assembly to pass through is formed in the middle of the second sealing sheet.
6. The water-cooled plate helium detection tool of claim 5, wherein the sealing assembly is driven by the first cylinder assembly to seal the water-cooled plate after the vacuum box body moves downwards and is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782432.8A CN112098017A (en) | 2020-08-05 | 2020-08-05 | Helium detection tool for water-cooling plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782432.8A CN112098017A (en) | 2020-08-05 | 2020-08-05 | Helium detection tool for water-cooling plate |
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| CN112098017A true CN112098017A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010782432.8A Pending CN112098017A (en) | 2020-08-05 | 2020-08-05 | Helium detection tool for water-cooling plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091536A (en) * | 2023-10-19 | 2023-11-21 | 广东省双十智能科技有限公司 | Carrier for three-dimensional measurement of water cooling plate and three-dimensional measurement equipment comprising same |
| CN117570293A (en) * | 2024-01-15 | 2024-02-20 | 宁德时代新能源科技股份有限公司 | Floating opposite-inserting device, air tightness detection equipment and air tightness detection method |
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| CN210400752U (en) * | 2019-10-25 | 2020-04-24 | 厦门市佳嘉达机械有限公司 | Vacuum helium leakage detection device |
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| CN201935790U (en) * | 2010-12-10 | 2011-08-17 | 安徽皖仪科技股份有限公司 | Vacuum leak detection system with multi-box function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117570293A (en) * | 2024-01-15 | 2024-02-20 | 宁德时代新能源科技股份有限公司 | Floating opposite-inserting device, air tightness detection equipment and air tightness detection method |
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