CN211262607U - Automatic leak detection equipment for sealing module - Google Patents
Automatic leak detection equipment for sealing module Download PDFInfo
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- CN211262607U CN211262607U CN201922338751.5U CN201922338751U CN211262607U CN 211262607 U CN211262607 U CN 211262607U CN 201922338751 U CN201922338751 U CN 201922338751U CN 211262607 U CN211262607 U CN 211262607U
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Abstract
The utility model discloses an automatic leak hunting equipment of sealed module, which comprises a frame, linear slide rail, the elevating platform, big or small cylinder, the basin, the test connector, high accuracy gas tightness tester and electrical system, the frame divide into on, lower casing, the positive fixed linear slide rail of last casing, big cylinder is fixed on linear slide rail's cylinder fixed plate, fixed elevating platform on big cylinder's the big piston rod, the little cylinder of two fixed symmetries in top of elevating platform, fixed test connector on the little piston rod of every little cylinder, two test connectors are connected with high accuracy gas tightness tester through same root test trachea, fixed high accuracy gas tightness tester and electrical system in the last casing, electrical system and big, little cylinder drive is connected, there is the basin in the lower casing and is located the below of elevating platform. The utility model adopts PLC to control the cylinder action to replace manual operation, and has high working efficiency; and a high-precision air tightness detector is adopted to be matched with underwater visual inspection to replace pure manual underwater visual inspection, so that the leakage detection reliability is high.
Description
Technical Field
The utility model belongs to the technical field of airtight detection technique and specifically relates to an automatic leak hunting equipment of seal module.
Background
The sealing module is a noise reduction device inside the high-voltage power capacitor unit, and a sealing box with air inside is formed by stamping or bending and tailor-welding stainless steel plates, so that the effects of isolating sound and reducing the noise of the high-voltage power capacitor unit are achieved. Because the inside of the high-voltage power capacitor is filled with insulating oil, the sealing module is required to ensure sealing and prevent leakage.
At present, a leak detection mode of a sealing module is to open a leak detection process hole in advance on the module, manually hold an air gun to fill compressed gas with certain pressure, then immerse the module under water, and judge the sealing performance of the module by visually observing the bubble escape condition. The mode of manual inflation and underwater leak detection has the following two problems: firstly, the hidden danger of missing detection exists in the manual observation of bubbles. If slight leakage occurs, a leakage point of the sealing module forms a series of extremely tiny bubbles in water, and the leakage point is influenced by light and visual fatigue degree factors of personnel, so that the risk of leakage detection caused by the fact that tiny bubbles cannot be observed manually easily occurs. Secondly, waste time and labor and have low working efficiency. Manual leak detection needs two people to cooperate and accomplishes, and one person holds the air gun and aerifys, and another person holds the module and carries out the operation of sinking, going out water.
SUMMERY OF THE UTILITY MODEL
For solving the problem that manual leakage testing visual inspection is easy to leak and inspect, work efficiency is low, the utility model provides an automatic leak detection equipment of sealing module.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic leak hunting equipment of sealed module, which comprises a frame, linear slide rail, the elevating platform, big cylinder, little cylinder, the basin, the test connector, high accuracy gas tightness tester and electrical system, the frame divide into upper enclosure and lower casing, the front of upper enclosure is fixed with linear slide rail, big cylinder is fixed on linear slide rail's cylinder fixed plate, be fixed with the elevating platform on big cylinder's the big piston rod, the top of elevating platform is fixed with two little cylinders of symmetry, be fixed with the test connector on the little piston rod of every little cylinder, two test connectors are connected with high accuracy gas tightness tester through same test trachea, high accuracy gas tightness tester is fixed in upper enclosure, still be fixed with electrical system in the upper enclosure, electrical system is connected with big cylinder and little cylinder drive, there is the basin and the basin is located the below of elevating platform in the lower casing.
Further, the frame is an L-shaped structure formed by assembling aluminum profiles and plates.
Further, the elevating platform includes bracket and positioning bolt, and the upper fixed plate of bracket and the big piston rod welded fastening of big cylinder are fixed with two little cylinders on the upper fixed plate, have placed sealed module on the bottom plate of bracket and have passed through positioning bolt fixed.
Further, the large cylinder is fixed on a cylinder fixing plate of the linear slide rail through a bolt.
Furthermore, the test joint is made of a stainless steel pipe, one end of the test joint is welded on a small piston rod of the small air cylinder, the other end of the test joint is provided with a sealing washer, and the middle of the test joint is connected with one end of the test air pipe.
Furthermore, the water tank is formed by bending and welding stainless steel plates and adopts a drawer type installation structure.
Furthermore, the electric control system consists of a PLC (programmable logic controller) and a touch screen, the PLC controls the large air cylinder and the small air cylinder to act, and the running state of the equipment is displayed through the touch screen.
Furthermore, an air inlet valve and an air outlet valve which are controlled by a high-precision air tightness tester are arranged at the other end of the test air pipe.
Has the advantages that:
the utility model uses the PLC controller to drive the large and small cylinders to replace manual operation, thereby realizing the actions of the lifting platform and the test joint, liberating labor force, reducing human resource investment, saving time and labor and improving work efficiency; the high-precision air tightness tester is used for charging compressed air with set pressure into the sealing module, monitoring pressure change, automatically judging the sealing performance of the sealing module, and simultaneously matching underwater visual inspection to replace pure underwater visual inspection, so that the reliability of sealing detection is further improved, and double insurance is provided for the module detection reliability.
Drawings
FIG. 1 is a front view of the apparatus of the present invention;
FIG. 2 is a left side view of the apparatus of the present invention;
fig. 3 is a schematic view of the test joint structure of the present invention;
FIG. 4 is a schematic view of a drawer-type independent water tank of the present invention;
FIG. 5 is a schematic view of the working sequence of the apparatus of the present invention;
in the figure: the device comprises a frame 1, an upper machine shell 101, a lower machine shell 102, a linear sliding rail 2, a cylinder 201 fixing plate, a lifting table 3, a bracket 301, an upper fixing plate 3011, a lower fixing plate 3012, a positioning bolt 302, a large cylinder 4, a large piston rod 401, a small cylinder 5, a small piston rod 501, a water tank 6, a test joint 7, a stainless steel pipe 701, a seal gasket 702, a high-precision air tightness tester 8, an electric control system 9, a touch screen 901, a test air pipe 10 and a seal module 11.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model provides an automatic leak detection device for sealing module, as shown in figure 1-2, it includes a frame 1, a linear slide rail 2, a lifting platform 3, a big cylinder 4, a small cylinder 5, a water tank 6, a test connector 7, a high-precision air tightness tester 8, an electric control system 9 and a test air pipe 10, the frame 1 is divided into an upper casing 101 and a lower casing 102, the linear slide rail 2 is fixed on the front of the upper casing 101, the big cylinder 4 is fixed on a cylinder fixing plate 201 of the linear slide rail 2, the lifting platform 3 is fixed on a big piston rod 401 of the big cylinder 4, two symmetrical small cylinders 5 are fixed on the top of the lifting platform 3, the test connector 7 is fixed on a small piston rod 501 of each small cylinder 5, the two test connectors 7 are connected with the high-precision air tightness tester 8 through the same test air pipe 10, the high-precision air tightness tester 8 is fixed in the upper casing 101, the electric control system 9 is also fixed in the upper casing 101, the electric control system 9 is in driving connection with the large cylinder 4 and the small cylinder 5, a water tank 6 is arranged in the lower shell 102, and the water tank 6 is positioned below the lifting platform 3.
The utility model discloses in, frame 1 is the L type structure that is formed by aluminium alloy and panel equipment, adopts linear slide rail 2 as the guide rail.
The utility model discloses in, elevating platform 3 includes bracket 301 and positioning bolt 302, and wherein bracket 301 is used for supporting sealed module 11, and the upper fixed plate 3011 of bracket 301 and big piston rod 401 welded fastening of big cylinder 4 are fixed with two little cylinders 5 on the upper fixed plate 3011, and it is fixed through positioning bolt 302 to have placed sealed module 11 on the bottom plate 3012 of bracket 301, and wherein positioning bolt 302 is the location that is used for sealed module 11, fixes on bracket 301 through the screw hole.
The utility model discloses in, little cylinder 5 passes through the bolt fastening on the upper fixed plate 3011 of elevating platform 3, and little piston rod 501's direction of motion is down, plays to promote test connector 7 and presss from both sides tightly or relaxs the effect. The large cylinder 4 is fixed on the cylinder fixing plate 201 of the linear slide rail 2 through a bolt, and the moving direction of the large piston rod 401 faces downwards to play a role in pushing the lifting platform 3 to enter water or exit water.
The utility model discloses in, test connector 7 is made by nonrust steel pipe 701, and the one end welding is on little piston rod 501 of little cylinder 5, and seal ring 702 is installed to the other end, and the one end of intermediate junction test trachea 10 plays and aerifys or when exitting sealed leak protection effect, as shown in fig. 3.
In the utility model, the water tank 6 is formed by bending and welding stainless steel plates, adopts a drawer type mounting structure, and is convenient to take out, as shown in fig. 4.
The utility model discloses in, high accuracy gas tightness tester 8's model is LL-24 type direct compression formula airtight detector, and the tester is automatic to be accomplished the leak test work after 11 heavy water of sealed module. Within a specified time, if the air pressure is slightly reduced, continuously stable and linearly changed, the module is judged to have good sealing performance; if the air pressure is greatly reduced and continuously reduced and changes in a nonlinear way, the module is judged to have a leakage point and poor sealing performance.
The utility model discloses in, electrical system 9 comprises PLC controller (the model is FPOR-C32T) and touch-sensitive screen 901, through the action of PLC controller control big cylinder 4 and little cylinder 5, through touch-sensitive screen 901 display device running state, as shown in FIG. 1.
The utility model discloses when carrying out module leakproofness inspection, as shown in fig. 5, go on through following four steps:
step 1: the electric control system 9 drives the small cylinder 5 to act, and pushes the test joint 7 to clamp the sealing module 11; the large cylinder 4 is then driven to sink the lift table 3 into the water tank 6 together with the seal module 11.
Step 2: the high-precision air tightness tester 8 fills gas with set pressure into the sealing module 11 through the testing connector 7. The air inlet valve is closed and the high-precision air tightness tester 8 monitors the air pressure change inside the sealing module 11. Within a specified time, if the air pressure is slightly reduced and continuously stabilized, the module is judged to have good sealing performance; if the air pressure is greatly reduced and continuously reduced, the module is judged to have a leakage point, and the sealing performance is poor.
And step 3: after the sealing module 11 sinks into the water tank 6, when the high-precision air tightness tester 8 works, a tester visually inspects the welding seams around the module to observe whether bubbles escape.
And 4, step 4: the high-precision air tightness tester 8 automatically opens the air outlet valve, discharges the gas in the sealing module 11 and restores the normal pressure state.
And 5: the electric control system 9 drives the large cylinder 4 to lift the lifting platform 3 and the sealing module 11 out of the water tank 6 together; then the small air cylinder 5 is driven, the test joint 7 is loosened, the equipment is reset, and the next round of test can be carried out.
To the limitation of the protection scope of the present invention, it should be understood by those skilled in the art that, on the basis of the technical solution of the present invention, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present invention.
Claims (8)
1. The utility model provides an automatic leak hunting equipment of sealed module, it includes frame (1), linear slide rail (2), elevating platform (3), big cylinder (4), little cylinder (5), basin (6), test connection (7), high accuracy gas tightness tester (8) and electrical system (9), its characterized in that: the machine frame (1) is divided into an upper machine shell (101) and a lower machine shell (102), the linear sliding rail (2) is fixed on the front face of the upper machine shell (101), the large air cylinder (4) is fixed on an air cylinder fixing plate (201) of the linear sliding rail (2), the lifting platform (3) is fixed on a large piston rod (401) of the large air cylinder (4), the two symmetrical small air cylinders (5) are fixed at the top of the lifting platform (3), the test joint (7) is fixed on a small piston rod (501) of each small air cylinder (5), the two test joints (7) are connected with the high-precision air tightness tester (8) through the same test air pipe (10), the high-precision air tightness tester (8) is fixed in the upper machine shell (101), the electric control system (9) is further fixed in the upper machine shell (101), and the electric control system (9) is in driving connection with the large air cylinder (4) and the small air cylinders (5), the water tank (6) is arranged in the lower shell (102), and the water tank (6) is positioned below the lifting platform (3).
2. The seal module automatic leak detection apparatus according to claim 1, wherein: the rack (1) is of an L-shaped structure assembled by aluminum profiles and plates.
3. The seal module automatic leak detection apparatus according to claim 1, wherein: the lifting platform (3) comprises a bracket (301) and a positioning bolt (302), an upper fixing plate (3011) of the bracket (301) is fixedly welded with a large piston rod (401) of a large cylinder (4), two small cylinders (5) are fixed on the upper fixing plate (3011), and a sealing module (11) is placed on a lower fixing plate (3012) of the bracket (301) and is fixed through the positioning bolt (302).
4. The seal module automatic leak detection apparatus according to claim 1, wherein: the large cylinder (4) is fixed on a cylinder fixing plate (201) of the linear sliding rail (2) through a bolt.
5. The seal module automatic leak detection apparatus according to claim 1, wherein: the test joint (7) is made of a stainless steel pipe (701), one end of the test joint is welded on a small piston rod (501) of the small air cylinder (5), the other end of the test joint is provided with a sealing washer (702), and the middle of the test joint is connected with one end of a test air pipe (10).
6. The seal module automatic leak detection apparatus according to claim 1, wherein: the water tank (6) is formed by bending and welding stainless steel plates and adopts a drawer type installation structure.
7. The seal module automatic leak detection apparatus according to claim 1, wherein: the electric control system (9) is composed of a PLC controller and a touch screen (901), the PLC controller is used for controlling the large air cylinder (4) and the small air cylinder (5) to act, and the touch screen (901) is used for displaying the running state of the equipment.
8. The seal module automatic leak detection apparatus according to claim 1, wherein: and the other end of the test air pipe (10) is provided with an air inlet valve and an air outlet valve which are controlled by a high-precision air tightness tester (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338751.5U CN211262607U (en) | 2019-12-24 | 2019-12-24 | Automatic leak detection equipment for sealing module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338751.5U CN211262607U (en) | 2019-12-24 | 2019-12-24 | Automatic leak detection equipment for sealing module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262607U true CN211262607U (en) | 2020-08-14 |
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ID=71990880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922338751.5U Active CN211262607U (en) | 2019-12-24 | 2019-12-24 | Automatic leak detection equipment for sealing module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262607U (en) |
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2019
- 2019-12-24 CN CN201922338751.5U patent/CN211262607U/en active Active
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