CN213985565U

CN213985565U - Vacuum box leak hunting recovery system

Info

Publication number: CN213985565U
Application number: CN202120165154.1U
Authority: CN
Inventors: 刘承
Original assignee: Sichuan Xinyi Power Equipment Co ltd
Current assignee: Sichuan Xinyi Power Equipment Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-08-17
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a vacuum chamber leak hunting recovery system, include the vacuum chamber and fix the helium tank in vacuum chamber roof center department, be equipped with dehumidification thermoregulation mechanism on the vacuum chamber to be equipped with the buffer wheel that slide and a plurality of symmetry installed in the both sides of slide diapire in the bottom of vacuum chamber inner chamber, the slide bilateral symmetry is equipped with the spacing post of welding at vacuum chamber inner chamber diapire, and is a plurality of the buffer wheel all contacts with vacuum chamber inner chamber diapire, dehumidification thermoregulation mechanism is including running through the heating pipe of vacuum chamber one side, the heat extraction pipe, a plurality of symmetry that run through the vacuum chamber opposite side and install the temperature and humidity sensor and a controller in vacuum chamber inner chamber both sides, still be equipped with the actuating mechanism that the drive slide removed on the vacuum chamber. The vacuum box leak detection and recovery system creates a good environment in the vacuum box, reduces the influence of moisture or temperature on the detected object, and enables the detection result to be more referential.

Description

Vacuum box leak hunting recovery system

Technical Field

The utility model belongs to the technical field of vacuum chamber helium leak hunting, concretely relates to vacuum chamber leak hunting recovery system.

Background

The helium leakage detection of the vacuum box is based on the basic leakage detection principle of helium leakage detection, helium is used as tracer gas, the helium is filled into a detected object in the vacuum box, and then the leakage condition of the detected object is judged rapidly and accurately with high precision through a helium leakage detector. An operator places an object to be detected in the vacuum box, and after the vacuum box door is closed, the system can fully automatically complete the whole processes of large leakage detection, strength detection of the object to be detected, evacuation, helium filling, leakage detection and recovery, and has the advantages of fast production rhythm and high leakage detection precision.

However, most of the existing vacuum box helium leakage detection facilities cannot dehumidify and regulate the temperature of the inner cavity environment of the vacuum box before detection, so that the humidity in the vacuum box is too high or the temperature is not proper, the detected object is influenced by the environment, and the final detection result is also influenced; most of the existing leakage detection facilities can not automatically realize the input and output of the detected object, but need manual input and output, thereby not only increasing the labor capacity of workers, but also easily causing the detected object to be damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum chamber leak hunting recovery system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vacuum box leak hunting recovery system, includes the vacuum box and fixes the helium tank in vacuum box roof center department, the both sides of helium tank are connected with gas-supply pipe and recovery tube respectively, be equipped with dehumidification temperature adjusting mechanism on the vacuum box to be equipped with the buffer wheel that slide and a plurality of symmetry installed in the both sides of slide diapire in the bottom of vacuum box inner chamber, the slide bilateral symmetry is equipped with the spacing post of welding at vacuum box inner chamber diapire, and is a plurality of the buffer wheel all contacts with vacuum box inner chamber diapire, dehumidification temperature adjusting mechanism installs the temperature and humidity sensor and a controller in vacuum box inner chamber both sides including the heating pipe that runs through vacuum box one side, the heat extraction pipe that runs through the vacuum box opposite side, a plurality of symmetries, still be equipped with the actuating mechanism that the drive slide removed on the vacuum box.

Preferably, the gas-supply pipe and the recovery pipe are separated into two parts by two extension pipes respectively, and two all install first fan in the extension pipe, wherein one side fixedly connected with gas injection mouth of helium tank.

Preferably, all install the second fan and strain a section of thick bamboo in heating pipe and the heat extraction pipe inner chamber, and heating pipe and heat extraction pipe stretch into the one end of vacuum box inner chamber and all are equipped with the valve, still install the electrothermal tube in the heating pipe inner chamber, second fan, electrothermal tube, valve and temperature and humidity sensor all with controller electric connection.

Preferably, the driving mechanism comprises a motor arranged outside the vacuum box, a driving shaft and a driven shaft which are symmetrically arranged on two sides of one side of the vacuum box and are rotationally connected with the vacuum box, and two lead screws which are symmetrically arranged in an inner cavity of the vacuum box and penetrate through two sides of the sliding plate in a threaded manner, a motor shaft is coaxially connected with the driving shaft, and the driving shaft and the driven shaft penetrate through the vacuum box and are coaxially connected with the two lead screws respectively.

Preferably, two side brackets are symmetrically welded on two sides of one side face of the vacuum box, where the driving shaft is located, one side bracket is welded with one side face of the motor, and the other side bracket is rotatably connected with the driven shaft.

Preferably, the driving shaft and the driven shaft are coaxially welded with a chain wheel, the two chain wheels are connected through a chain, and one side face, back to the driving shaft, of the vacuum box is connected with a side sealing plate through a rotating shaft.

The utility model discloses a technological effect and advantage: according to the vacuum box leakage detection and recovery system, the temperature and the humidity in the vacuum box are detected through the real-time working of the temperature and humidity sensor, the second fan and the electric heating tube in the heating tube are driven to work, the second fan in the heat exhaust tube is driven to work, hot air is input into the vacuum box for dehumidification, the electric heating tube is closed after dehumidification is completed, air inlet and exhaust treatment is carried out only through the working of the two second fans, the temperature in the vacuum box is kept within a reasonable range, a good environment is created in the vacuum box, the influence of moisture or temperature on a detected object is reduced, and the detection result is made to be more referential; drive the driving shaft and its upper sprocket through the work of driving motor and rotate, utilize the chain to drive driven shaft and its upper sprocket and rotate, make two lead screw operation and drive the slide motion, realized the automatic input and the output of being detected the thing, removed manual operation's trouble from, alleviate workman's the amount of labour, and reduced and detected the probability of object damage, and just only use a motor just to realize two lead screw operations, avoid using two motors simultaneous working, saved the consumption of electric power.

Drawings

Fig. 1 is a vertical cross-sectional view of the present invention;

fig. 2 is a vertical cross-sectional view of a heating tube of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic circuit diagram of the present invention.

In the figure: 1. a vacuum box; 2. a helium tank; 3. a gas injection nozzle; 4. a gas delivery pipe; 5. a recovery pipe; 6. an extension tube; 7. heating a tube; 8. a heat exhaust pipe; 9. a second fan; 10. an electric heating tube; 11. a filter cartridge; 12. a valve; 13. a temperature and humidity sensor; 14. a slide plate; 15. a buffer wheel; 16. a limiting column; 17. an electric motor; 18. a drive shaft; 19. a driven shaft; 20. a chain; 21. a side bracket; 22. a lead screw; 23. and (4) side sealing plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a vacuum box leak detection and recovery system as shown in figures 1-4, which comprises a vacuum box 1 and a helium tank 2 fixed at the center of the top wall of the vacuum box 1, wherein both sides of the helium tank 2 are respectively connected with a gas pipe 4 and a recovery pipe 5, the vacuum box 1 is provided with a dehumidification and temperature regulation mechanism, the bottom of the inner cavity of the vacuum box 1 is provided with a sliding plate 14 and a plurality of buffer wheels 15 which are symmetrically arranged at both sides of the bottom wall of the sliding plate 14, both sides of the sliding plate 14 are symmetrically provided with limit columns 16 welded at the bottom wall of the inner cavity of the vacuum box 1, a plurality of the buffer wheels 15 are all contacted with the bottom wall of the inner cavity of the vacuum box 1, the dehumidification and temperature regulation mechanism comprises a heating pipe 7 which runs through one side of the vacuum box 1, a heat exhaust pipe 8 which runs through the other side of the vacuum box 1, a plurality of temperature and humidity sensors 13 which are symmetrically arranged at both sides of the inner cavity of the vacuum box 1 and a controller, the temperature and humidity sensor 13 preferably selects the model RS-WS-N01-2-, the controller is preferably model S7-200, and the vacuum box 1 is also provided with a driving mechanism for driving the sliding plate 14 to move.

Specifically, gas-supply pipe 4 and recovery tube 5 are separated for two parts by two expansion pipes 6 respectively, and two all install first fan in the

expansion pipe

6, 2 wherein one side fixedly connected with gas injection mouth 3 of helium tank.

Specifically, all install second fan 9 and strain a section of thick bamboo 11 in heating pipe 7 and the 8 inner chambers of heat extraction pipe, and heating pipe 7 and heat extraction pipe 8 stretch into the one end in 1 inner chamber of vacuum box all are equipped with valve 12, the preferred solenoid valve of valve 12, still install electrothermal tube 10 in the heating pipe 7 inner chamber, second fan 9, electrothermal tube 10, valve 12 and temperature and humidity sensor 13 all with controller electric connection.

Specifically, the driving mechanism comprises a motor 17 arranged outside the vacuum box 1, a driving shaft 18 and a driven shaft 19 which are symmetrically arranged on two sides of one side of the vacuum box 1 and are rotatably connected with the vacuum box, and two lead screws 22 which are symmetrically arranged in the inner cavity of the vacuum box 1 and penetrate through two sides of the sliding plate 14 in a threaded manner, a crankshaft of the motor 17 is coaxially connected with the driving shaft 18, the driving shaft 18 and the driven shaft 19 penetrate through the vacuum box 1 and are respectively and coaxially connected with the two lead screws 22, and one ends of the two lead screws 22, far away from the driving shaft 18 and the driven shaft 19, are rotatably connected with the vacuum box 1.

Specifically, two side brackets 21 are symmetrically welded on two sides of one side of the vacuum box 1, where the driving shaft 18 is located, one side bracket 21 is welded with one side of the motor 17, and the other side bracket 21 is rotatably connected with the driven shaft 19.

Specifically, equal coaxial welding has a sprocket on driving shaft 18 and the driven shaft 19, connects through chain 20 between two sprockets, a side of driving shaft 18 is dorsad to vacuum box 1 is connected with side seal board 23 through the pivot, and the opening in the 1 inner chamber of vacuum box is seted up in side seal board 23 place one side to set up joint strip at the 1 inner chamber opening part of vacuum box, play good sealed effect when side seal board 23 closes.

The using method comprises the following steps: when the vacuum box leakage detection recovery system is used, firstly, the side sealing plate 23 is opened, the driving motor 17 works to drive the driving shaft 18 and a chain wheel on the driving shaft to rotate, the chain 20 is used to drive the driven shaft 19 and the chain wheel on the driven shaft to rotate, the two lead screws 22 synchronously run to drive the sliding plate 14 to slide, the plurality of buffer wheels 15 slide on the bottom wall of the inner cavity of the vacuum box 1, one end of the sliding plate 14 is sent out of the vacuum box 1, an object needing leakage detection is placed on the sliding plate 14, then the driving motor 17 rotates reversely to drive the sliding plate 14 to contract into the inner cavity of the vacuum box 1, and the side sealing plate 23 rotates along the rotating shaft to seal the inner cavity of the vacuum box 1;

then, a plurality of temperature and humidity sensors 13 are enabled to work to detect the temperature and the humidity in the vacuum box 1, if the humidity is higher, the temperature and humidity sensors 13 transmit electric signals to a controller (which can be installed on the outer wall of the vacuum box 1), the controller drives two valves 12 to open the heating pipe 7 and the heat exhaust pipe 8, drives the second fans 9 in the heating pipe 7 and the heat exhaust pipe 8 to work, sends outside air into the vacuum box 1 through the adding pipe 7 and exhausts the outside air from the heat exhaust pipe 8, and drives the electric heating pipe 10 to work to heat the air entering the inner cavity of the vacuum box 1, so as to rapidly remove moisture, the air passing through the heating pipe 7 and the heat exhaust pipe 8 is filtered by the filter cartridge 11, so that outside dust can hardly enter the vacuum box 1, and after the humidity reaches the standard, the controller drives the two valves 12 to close the heating pipe 7 and the heat exhaust pipe 8,

an air pump (not shown in the figure and in the prior art) is used for working, an air pumping pipe of the air pump extends into the inner cavity of the vacuum box 1 and is fixedly bonded with the vacuum box 1, and the vacuum box 1 is vacuumized by the working of the air pump; (all be equipped with manual control's control valve on gas-supply pipe 4 and the recovery tube 5), make two control valves open gas-supply pipe 4 and recovery tube 5, the work of first fan in the extension pipe 6 on the drive gas-supply pipe 4, in sending into vacuum chamber 1 with helium through gas-supply pipe 4 in the helium gas pitcher 2, treat that the helium is full of the back basically in the vacuum chamber 1, the work of first fan in the extension pipe 6 on the drive recovery tube 5 is with helium recovery into helium gas pitcher 2 in, thus, the circulation of helium has been accomplished, make the effect that the helium detected better, the result of detection is more accurate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vacuum box leak hunting recovery system, includes vacuum box (1) and fixes helium tank (2) of vacuum box (1) roof center department, its characterized in that: the two sides of the helium tank (2) are respectively connected with a gas pipe (4) and a recovery pipe (5), the vacuum box (1) is provided with a dehumidification and temperature regulation mechanism, a sliding plate (14) and a plurality of buffer wheels (15) which are symmetrically arranged at the two sides of the bottom wall of the sliding plate (14) are arranged at the bottom of the inner cavity of the vacuum box (1), limiting columns (16) welded on the bottom wall of the inner cavity of the vacuum box (1) are symmetrically arranged on two sides of the sliding plate (14), the plurality of buffer wheels (15) are all contacted with the bottom wall of the inner cavity of the vacuum box (1), the dehumidifying and temperature-adjusting mechanism comprises a heating pipe (7) penetrating one side of the vacuum box (1), a heat exhaust pipe (8) penetrating the other side of the vacuum box (1), a plurality of temperature and humidity sensors (13) symmetrically arranged at two sides of the inner cavity of the vacuum box (1) and a controller, the vacuum box (1) is also provided with a driving mechanism for driving the sliding plate (14) to move.

2. The vacuum box leak detection recovery system according to claim 1, characterized in that: gas-supply pipe (4) and recovery tube (5) are separated for two parts by two expansion pipe (6) respectively, and two all install first fan in expansion pipe (6), helium gas pitcher (2) wherein one side fixedly connected with gas injection mouth (3).

3. The vacuum box leak detection recovery system according to claim 1, characterized in that: all install second fan (9) and strain a section of thick bamboo (11) in heating pipe (7) and heat extraction pipe (8) inner chamber, and heating pipe (7) and heat extraction pipe (8) stretch into the one end in vacuum box (1) inner chamber and all are equipped with valve (12), electrothermal tube (10) are still installed in heating pipe (7) inner chamber, second fan (9), electrothermal tube (10), valve (12) and temperature and humidity sensor (13) all with controller electric connection.

4. The vacuum box leak detection recovery system according to claim 1, characterized in that: the driving mechanism comprises a motor (17) arranged outside the vacuum box (1), a driving shaft (18) and a driven shaft (19) which are symmetrically arranged on two sides of one side face of the vacuum box (1) and rotatably connected with the vacuum box, and two screw rods (22) which are symmetrically arranged in an inner cavity of the vacuum box (1) and penetrate through two sides of the sliding plate (14) in a threaded manner, wherein a machine shaft of the motor (17) is coaxially connected with the driving shaft (18), and the driving shaft (18) and the driven shaft (19) penetrate through the vacuum box (1) and are respectively coaxially connected with the two screw rods (22).

5. The vacuum box leak detection recovery system according to claim 4, characterized in that: two side supports (21) are symmetrically welded on two sides of one side face of the vacuum box (1) where the driving shaft (18) is located, one side support (21) is welded with one side face of the motor (17), and the other side support (21) is rotatably connected with the driven shaft (19).

6. The vacuum box leak detection recovery system according to claim 5, characterized in that: the driving shaft (18) and the driven shaft (19) are coaxially welded with a chain wheel, the two chain wheels are connected through a chain (20), and a side face, back to the driving shaft (18), of the vacuum box (1) is connected with a side sealing plate (23) through a rotating shaft.