Air tightness detection and vacuum filling integrated equipment

Abstract

The invention discloses airtight detection and vacuum filling integrated equipment, and relates to the technical field of gas filling. Information of different filling ports is recorded in sequence, a follow-up use operator selects a positive pressure detection mode through a touch screen, a filling gun is installed, a start button is pressed down, clamping is conducted through a clamping jaw, sound and light prompting is conducted, a positive pressure inflation mode is started, after the pressure reaches a set value, pressure maintaining balance is conducted according to parameters, and finally detection reading is conducted. Filling port information recorded in the earlier stage of a machine type is manually or automatically selected, a filling gun is installed, a starting button is pressed down, a clamping jaw clamps, and acousto-optic prompting is conducted; the filling system automatically enters system vacuumizing, primary leakage detection and secondary leakage detection states, the next step is carried out if the filling system is qualified, a sound-light alarm is given out if the filling system is unqualified, the process is quitted, and the whole operation is automatic and integrated.

Description

Technical Field

[0001] The invention relates to the technical field of gas filling, and in particular to an integrated airtight detection and vacuum filling device. Background Art

[0002] After searching, the publication number CN117208838A discloses a vacuum filling device and a vacuum filling method. The vacuum filling device includes a water tank, a three-way valve, a controller and an all-in-one machine; the three-way valve is respectively connected to the water tank, the all-in-one machine and the cooling system; the controller is respectively connected to the three-way valve and the all-in-one machine by signal. The steps of the vacuum filling method are: S1: control the three-way valve to disconnect the water tank from the cooling system, connect the cooling system to the all-in-one machine, start the all-in-one machine, and evacuate the cooling system until the set pressure value is reached; S2: control the three-way valve to connect the water tank to the cooling system, disconnect the three-way valve from the all-in-one machine, and fill the cooling system with coolant; S3: filling is completed. During the process of vacuum filling of coolant by the present invention, no gas will remain in the cooling system, so there is no need to perform exhaust operation, which simplifies the process of filling coolant into the cooling system, makes the operation simple, convenient and automatic, and improves work efficiency and user satisfaction.

[0003] However, it has certain defects. When it is used, airtightness detection and vacuum filling are performed by two devices in succession, which increases the cost of use and cannot be operated in an integrated manner. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an integrated airtight detection and vacuum filling device, which solves the problems raised by the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an integrated airtight detection vacuum filling device, comprising an outer complete equipment component and an inner body component, the inner body component is arranged inside the outer complete equipment component, the inner body component comprises a vacuum pump and a filling pump fixed inside the outer complete equipment component, a vacuum block assembly and a vacuum separation tank combination are fixedly arranged inside the outer complete equipment component, a plurality of vacuum blocks are arranged inside the outer complete equipment component, and the vacuum separation tank combination is on the lower side of the vacuum block assembly, the outer complete equipment component A positive pressure inflation block assembly is also fixedly arranged inside the spare component, and the positive pressure inflation block assembly is located at the lower side of the vacuum separation tank combination, a filling block assembly is arranged at the lower side of the positive pressure inflation block assembly, a filling pump and a vacuum pump are arranged at the lower side of the filling block assembly, and the filling pump and the vacuum pump are located on the same horizontal plane, a liquid storage tank is arranged inside the external complete equipment component and at one side of the filling pump, an airtightness detector is arranged on the side of the liquid storage tank away from the filling pump, a touch screen is arranged on the upper side of the airtightness detector, and an audible and visual alarm light is arranged on the upper side of the touch screen.

[0006] Preferably, the inner body assembly consists of a positive pressure airtightness detection system, a vacuum system, a filling system, an air circuit system and an electrical control system.

[0007] Preferably, the positive pressure airtightness detection system consists of an external air storage tank, a positive pressure inflation block assembly, an airtightness detector and a control system.

[0008] Preferably, the vacuum system is composed of a vacuum pump and a vacuum block assembly.

[0009] Preferably, the filling system consists of a filling pump, a liquid storage tank, a flow meter, a pressure sensor, a filter, a fluid control valve and connecting pipelines.

[0010] Preferably, the gas circuit system is composed of an air source pressure adjustment control unit, a solenoid valve and a pneumatic component control unit.

[0011] Preferably, the electrical control system consists of a PLC, a communication control unit, a touch screen and program control software.

[0012] Preferably, the external complete machine equipment assembly includes a mechanical cabinet, a base is fixedly provided at the bottom of the mechanical cabinet, an electric control cabinet is provided on the upper side of the base, a plurality of movable rollers are fixedly provided at the bottom of the base, and the plurality of movable rollers are arranged in a rectangular array at the bottom of the base.

[0013] The lockhole that is formed on the upper and lower surfaces of the lockhole is formed on the bottom of the lockhole, and the lockhole has a circle which is formed on the bottom of the lockhole, and the position of the lockhole is set to the circle which is formed on the upper and lower surfaces of the lockhole.

[0014] Preferably, the outer diameter of the plug is equal to the inner diameter of the fixing member.

[0015] It should be noted that the external gas storage tank is independent of the overall equipment and is connected to the equipment through a quick-release connector. The positive pressure inflation block assembly includes a positive pressure inflation valve, a pressure sensor and a pressure gauge, and a vacuum filter is installed in the vacuum pump.

[0016] Preferably, when starting to use it, first scan the filling port QR code with a barcode scanner to obtain the filling volume and filling parameters, manually press the filling start button, and after the filling is completed, store the cabinet QR code, filling port QR code, filling process information and filling results into the industrial computer, and enter the information of each different filling port in turn. Subsequently, the operator selects the positive pressure detection mode through the touch screen, installs the filling gun, presses the start button, clamps the claws, and prompts with sound and light to turn on the positive pressure inflation mode. After the pressure is charged to the set value, the pressure balance is maintained according to the parameters, and finally the detection readings are taken. Select the machine model manually or automatically, install the filling gun, press the start button, the claws are clamped, and an audible and visual prompt is given; the filling system automatically enters the system vacuuming, primary leak detection, and secondary leak detection states. If qualified, it will enter the next step. If unqualified, an audible and visual alarm will be issued and the process will be exited. After the alarm is reset, the abnormality is resolved and the abnormal information is recorded at the same time; the system automatically enters the filling state. During the filling process, a flow meter is used for measurement and a pressure sensor is used for detection. After reaching the pressure, it enters the pressure reporting state. If unqualified, an audible and visual alarm will be issued; back-suction purification will be issued, and an audible and visual alarm will be issued; the system will be depressurized, and an audible and visual alarm will be issued to indicate that the filling is complete; press and hold the filling completion button, the claws will release, and the filling gun will be removed; release the filling completion button, back-suction and drip prevention will start Leakage, after placing the filling gun on the gun rack, the filling is completed, and the back-sucking stops after a certain period of time, and a filling process is completed. At the same time, when filling the gas, quantitative filling can be carried out through the quantitative filling component. By pushing the push plate, the connecting rod is driven to move, and the connecting rod drives the inner push rod to move. A closed cavity is formed between the plug on the inner push rod and the fixed clamp. An air inlet hole is opened in the cavity, and a one-way valve is connected to the outside of the air inlet to ensure smooth entry and exit of gas. At the same time, the fixed clamp is adjusted to move back and forth under the action of the limiting block, and its position on the outer fixing plate is adjusted. The corresponding telescopic space is changed by changing the relative position of the link block in the outer fixing plate, which is convenient for adjusting the quantitative filling.

[0017] The present invention provides an integrated airtightness detection and vacuum filling device. Compared with the prior art, it has the following beneficial effects: 1. An integrated airtight detection and vacuum filling equipment, which enters the information of each different filling port in sequence, and then the operator selects the positive pressure detection mode through the touch screen, installs the filling gun, presses the start button, clamps the claws, and prompts with sound and light, turns on the positive pressure inflation mode, and after the pressure is charged to the set value, maintains the pressure balance according to the parameters, and finally takes the test reading. By manually or automatically selecting the filling port information entered in the early stage of the model, the filling gun is installed, the start button is pressed, the claws are clamped, and the sound and light prompts; the filling system automatically enters the system vacuuming, primary leak detection, and secondary leak detection states. If qualified, it will enter the next step. If unqualified, an sound and light alarm will be issued and the process will be exited. The overall operation is automated and integrated.

[0018] 2. An integrated airtight detection and vacuum filling device, which adjusts the position of the fixed clamp on the outer fixing plate by moving it back and forth under the action of the limiting block, and changes the corresponding expansion space by changing the relative position of the link block in the outer fixing plate, so as to facilitate the adjustment of quantitative filling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the complete equipment components of the present invention; Figure 2 This is a schematic diagram of the structure of the body components in the present invention; Figure 3 This is a schematic diagram of the structure of the quantitative filling component of the present invention; Figure 4 for Figure 2 A magnified view of the structure in the middle.

[0020] In the figure: 1. External complete equipment components; 11. Mechanical cabinet; 12. Electric control cabinet; 13. Base; 14. Moving roller; 2. Internal body components; 21. Vacuum block assembly; 22. Vacuum separation tank combination; 23. Positive pressure inflation block assembly; 24. Filling block assembly; 25. Filling pump; 26. Vacuum pump; 27. Sound and light alarm lamp; 28. Touch screen; 29. ​​Air tightness detector; 210. Liquid storage tank; 3. Quantitative filling components; 31. Push plate; 32. Connecting rod; 33. Mounting block; 34. Internal push rod; 35. Plug; 36. External fixing plate; 37. Internal guide groove; 38. Internal bayonet; 39. Linking block; 310. Limiting block; 311. Limiting member; 312. Air outlet; 313. Internal connecting pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4The present invention provides a technical solution: an integrated airtight detection vacuum filling device, comprising an outer complete equipment component 1 and an inner body component 2, wherein the inner body component 2 is arranged inside the outer complete equipment component 1, and the inner body component 2 comprises a vacuum pump 26 and a filling pump 25 fixed inside the outer complete equipment component 1, and a vacuum block assembly 21 and a vacuum separation tank combination 22 are fixedly arranged inside the outer complete equipment component 1, and a plurality of vacuum block assemblies 21 are arranged inside the outer complete equipment component 1, and the vacuum separation tank combination 22 is on the lower side of the vacuum block assembly 21, and a positive pressure is also fixedly arranged inside the outer complete equipment component 1 An inflation block assembly 23, and the positive pressure inflation block assembly 23 is located at the lower side of the vacuum separation tank combination 22, a filling block assembly 24 is arranged at the lower side of the positive pressure inflation block assembly 23, a filling pump 25 and a vacuum pump 26 are arranged at the lower side of the filling block assembly 24, the filling pump 25 and the vacuum pump 26 are located at the same horizontal plane, a liquid storage tank 210 is arranged inside the external complete equipment component 1 and at one side of the filling pump 25, an airtightness detector 29 is arranged on the side of the liquid storage tank 210 away from the filling pump 25, a touch screen 28 is arranged on the upper side of the airtightness detector 29, and an audible and visual alarm light 27 is arranged on the upper side of the touch screen 28.

[0023] The inner body component 2 is composed of a positive pressure airtight detection system, a vacuum system, a filling system, an air circuit system and an electrical control system. The positive pressure airtight detection system is composed of an external air storage tank, a positive pressure inflation block assembly 23, an airtight detector 29 and a control system. The vacuum system is composed of a vacuum pump 26 and a vacuum block assembly 21. The filling system is composed of a filling pump 25, a liquid storage tank 210, a flow meter, a pressure sensor, a filter, a fluid control valve and connecting pipelines. The air circuit system is composed of an air source pressure adjustment control unit, a solenoid valve and a pneumatic component control unit. The electrical control system is composed of a PLC, a communication control unit, a touch screen 28 and program control software.

[0024] The external whole machine equipment assembly 1 includes a mechanical cabinet 11, a base 13 is fixedly arranged at the bottom of the mechanical cabinet 11, an electric control cabinet 12 is arranged on the upper side of the base 13, a plurality of movable rollers 14 are fixedly arranged at the bottom of the base 13, and the plurality of movable rollers 14 are arranged in a rectangular array at the bottom of the base 13.

[0025] The interior of the inner body component 2 is connected to a quantitative filling component 3, and the quantitative filling component 3 includes an outer fixing plate 36, a mounting block 33 is provided on one side of the outer fixing plate 36, a connecting rod 32 is provided through the surface of the mounting block 33, a push plate 31 is fixedly provided on the side of the connecting rod 32 away from the mounting block 33, a link block 39 is provided on the mounting block 33 and located inside the outer fixing plate 36, limiting blocks 310 are provided on both sides of the surface of the link block 39, a fixing clamp is fixedly provided inside the link block 39 and located on the connecting rod 32, and the connecting rod 32 is close to the mounting block 3 3, an inner push rod 34 is fixedly provided on one side of the fixing clamp, a plurality of inner bayonet holes 38 are provided on the fixing clamp, a plug 35 is fixedly provided on the side of the inner push rod 34 away from the mounting block 33, an inner guide groove 37 is provided on the inner wall of the outer fixing plate 36, two limiting blocks 310 are slidably provided on the inner guide groove 37, a limiting member 311 is fixedly provided inside the outer fixing plate 36, an air outlet 312 is fixedly provided on the outer side of the fixing clamp, an inner connecting pipe port 313 is fixedly provided on the side of the air outlet 312 away from the outer fixing plate 36, and the outer diameter value of the plug 35 is equal to the inner diameter value of the fixing clamp.

[0026] It should be noted that the external gas storage tank is independent of the overall equipment and is connected to the equipment through a quick-release connector. The positive pressure inflation block assembly 23 includes a positive pressure inflation valve, a pressure sensor and a pressure gauge, and a vacuum filter is installed in the vacuum pump 26.

[0027] When in use, first use the barcode scanner to scan the filling port QR code to obtain the filling amount and filling parameters, manually press the filling start button, and after the filling is completed, store the cabinet QR code, filling port QR code, filling process information and filling results into the industrial computer, and enter the information of each different filling port in sequence. Subsequently, the operator selects the positive pressure detection mode through the touch screen 28, installs the filling gun, presses the start button, clamps the claws, and sounds and lights to start the positive pressure inflation mode. After the pressure is charged to the set value, the pressure is maintained and balanced according to the parameters, and finally the detection reading is taken. Select the filling port information entered in the early stage of the model manually or automatically, install the filling gun, press the start button, clamp the claws, and sound and light prompts; the filling system automatically enters the system vacuum, primary leak detection, and secondary leak detection states. If qualified, it will enter the next step. If unqualified, it will issue an audible and visual alarm and exit the process. After the alarm is reset, the abnormality is relieved and the abnormal information is recorded at the same time; the system automatically enters the filling state. During the filling process, the flow meter will measure and the pressure sensor will detect. After reaching the pressure, it will enter the pressure reporting state. If unqualified, it will issue an audible and visual alarm; back-suction purification, and a sound and light alarm will be issued; the system will be depressurized, and the sound and light alarm will indicate that the filling is complete; press and hold the filling completion button, the claws will release, and the filling gun will be removed; release the filling completion button, back-suction to prevent dripping, and the filling gun will be removed. After being placed on the gun rack, the filling is completed, and the back-sucking stops after a certain period of time, and a filling process is completed. At the same time, when filling gas, quantitative filling can be carried out through the quantitative filling component 3. By pushing the push plate 31, the connecting rod 32 is driven to move, and the connecting rod 32 drives the inner push rod 34 to move. A closed cavity is formed between the plug 35 on the inner push rod 34 and the fixed card. An air inlet hole is opened in the cavity, and a one-way valve is connected to the outside of the air inlet to ensure smooth entry and exit of gas. At the same time, the fixed card is adjusted to move back and forth under the action of the limiting block 310, and its position on the outer fixing plate 36 is adjusted. By changing the relative position of the link block 39 in the outer fixing plate 36, its corresponding telescopic space is changed, which is convenient for adjusting quantitative filling.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated airtightness detection and vacuum filling device, comprising an external complete device component (1) and an internal body component (2), characterized in that: The inner body component (2) is arranged inside the outer complete equipment component (1), the inner body component (2) comprises a vacuum pump (26) and a filling pump (25) fixed inside the outer complete equipment component (1), a vacuum block assembly (21) and a vacuum separation tank assembly (22) are fixedly arranged inside the outer complete equipment component (1), a plurality of vacuum block assemblies (21) are arranged inside the outer complete equipment component (1), and the vacuum separation tank assembly (22) is located on the lower side of the vacuum block assembly (21), a positive pressure inflation block assembly (23) is also fixedly arranged inside the outer complete equipment component (1), and the positive pressure inflation block assembly (23) is located at the vacuum separation tank assembly (22). A filling block assembly (24) is arranged on the lower side of the tank assembly (22) and the lower side of the positive pressure inflation block assembly (23); a filling pump (25) and a vacuum pump (26) are arranged on the lower side of the filling block assembly (24); the filling pump (25) and the vacuum pump (26) are located on the same horizontal plane; a liquid storage tank (210) is arranged inside the external complete equipment component (1) and on one side of the filling pump (25); an airtightness detector (29) is arranged on the side of the liquid storage tank (210) away from the filling pump (25); a touch screen (28) is arranged on the upper side of the airtightness detector (29); and an audible and visual alarm light (27) is arranged on the upper side of the touch screen (28).

2. The integrated airtightness detection and vacuum filling equipment according to claim 1 is characterized in that: The inner body assembly (2) comprises a positive pressure airtightness detection system, a vacuum system, a filling system, an air circuit system and an electrical control system.

3. The integrated airtightness detection and vacuum filling equipment according to claim 2 is characterized in that: The positive pressure airtightness detection system is composed of an external air storage tank, a positive pressure inflation block assembly (23), an airtightness detector (29) and a control system.

4. The integrated airtightness detection and vacuum filling equipment according to claim 2 is characterized in that: The vacuum system consists of a vacuum pump (26) and a vacuum block assembly (21).

5. The integrated airtightness detection and vacuum filling equipment according to claim 2 is characterized in that: The filling system is composed of a filling pump (25), a liquid storage tank (210), a flow meter, a pressure sensor, a filter, a fluid control valve, and connecting pipelines.

6. The integrated airtightness detection and vacuum filling equipment according to claim 2 is characterized in that: The gas circuit system is composed of a gas source pressure adjustment control unit, a solenoid valve and a pneumatic component control unit.

7. The integrated airtightness detection and vacuum filling equipment according to claim 2 is characterized in that: The electrical control system consists of a PLC, a communication control unit, a touch screen (28) and program control software.

8. The integrated airtightness detection and vacuum filling equipment according to claim 1 is characterized in that: The external complete machine equipment assembly (1) comprises a mechanical cabinet (11), a base (13) is fixedly arranged at the bottom of the mechanical cabinet (11), an electric control cabinet (12) is arranged on the upper side of the base (13), a plurality of movable rollers (14) are fixedly arranged at the bottom of the base (13), and the plurality of movable rollers (14) are arranged in a rectangular array at the bottom of the base (13).

9. The integrated airtightness detection and vacuum filling equipment according to claim 1 is characterized in that: The interior of the inner body component (2) is connected to a quantitative filling component (3), the quantitative filling component (3) comprising an outer fixing plate (36), a mounting block (33) being provided on one side of the outer fixing plate (36), a connecting rod (32) being provided through the surface of the mounting block (33), a push plate (31) being fixedly provided on the side of the connecting rod (32) away from the mounting block (33), a link block (39) being provided on the mounting block (33) and located inside the outer fixing plate (36), limiting blocks (310) being provided on both sides of the surface of the link block (39), a fixing clamp being fixedly provided inside the link block (39) and located on the connecting rod (32), An inner push rod (34) is fixedly arranged on the side of the connecting rod (32) close to the mounting block (33), a plurality of inner snap-in openings (38) are provided on the fixing clamp, a plug (35) is fixedly arranged on the side of the inner push rod (34) away from the mounting block (33), an inner guide groove (37) is provided on the inner wall of the outer fixing plate (36), two limiting blocks (310) are slidably arranged on the inner guide groove (37), a limiting member (311) is fixedly arranged inside the outer fixing plate (36), an air outlet (312) is fixedly arranged on the outer side of the fixing clamp, and an inner connecting pipe opening (313) is fixedly arranged on the side of the air outlet (312) away from the outer fixing plate (36).

10. The integrated airtightness detection and vacuum filling equipment according to claim 1, characterized in that: The outer diameter of the plug (35) is equal to the inner diameter of the fixing member.

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