CN118641102A - Fresh-keeping refrigerator door gas tightness detection device - Google Patents
Fresh-keeping refrigerator door gas tightness detection device Download PDFInfo
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- CN118641102A CN118641102A CN202411097745.4A CN202411097745A CN118641102A CN 118641102 A CN118641102 A CN 118641102A CN 202411097745 A CN202411097745 A CN 202411097745A CN 118641102 A CN118641102 A CN 118641102A
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- air tightness
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- 230000006872 improvement Effects 0.000 abstract description 2
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- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a fresh-keeping refrigerator door air tightness detection device, which belongs to the technical field of refrigerator door air tightness detection and comprises a mounting plate and a mounting cylinder, wherein the front surface of the mounting plate is provided with a mounting groove, the back surface of the mounting plate is provided with a handle and a touch screen, the bottom of the mounting plate is provided with a first control terminal, and the inside of the mounting groove is provided with a linear guide rail module. According to the invention, the air tightness of the refrigerator door is judged by comparing the data recorded by the relevant data of the internal environment of the refrigerator with the data detected by the photomultiplier, the air tightness of the refrigerator door is judged by comparing the change trend of various data curves, and the specific position of the gap can be obtained on the basis of obtaining the air tightness judging result by combining the data detected by the photomultiplier and the moving distance of the linear guide rail module, so that the problem position is clear, and the improvement on the process is facilitated.
Description
Technical Field
The invention belongs to the technical field of refrigerator door air tightness detection, and particularly relates to an air tightness detection device for a fresh-keeping refrigerator door.
Background
The fresh-keeping refrigerator is a household appliance, and is mainly used for storing food and beverage and prolonging the fresh-keeping period. The fresh-keeping refrigerator can maintain a relatively stable and suitable low-temperature environment, usually between 0 ℃ and 4 ℃, which helps to slow down the growth of microorganisms and prolong the freshness of foods.
The refrigerator door is an important component of the refrigerator, and not only relates to the sealing performance of the refrigerator, but also relates to the convenience and energy efficiency of use, and the edge of the refrigerator door is usually provided with a magnetic sealing strip, so that the refrigerator door can be tightly attached when being closed, and the leakage of cold air and the entering of external hot air are prevented, thus being important to keeping the low-temperature environment in the refrigerator.
If the refrigerator is poor in air tightness, the following problems are caused:
And (3) discharging cold air: poor air tightness means that cool air in the refrigerator can escape to the external environment, and the cooling efficiency of the refrigerator is reduced; the energy consumption is increased: to maintain the set temperature, the refrigerator compressor needs to be operated more frequently to replenish the lost cool air, which may result in an increase in electric charge; temperature fluctuation: the temperature inside the refrigerator is unstable, so that a constant storage environment cannot be provided for food, and the fresh-keeping effect of the food is affected; deterioration of food: due to inaccurate temperature control, food in the refrigerator may deteriorate too quickly or lose freshness; frost problem: poor air tightness may cause excessive humidity inside the refrigerator, increase the formation of frost, and require more frequent defrosting; the service life is shortened: the refrigerator compressor is overloaded due to frequent work, and the service life of the refrigerator compressor may be shortened; noise increases: frequent start and operation of the compressor may generate more noise, affecting the living environment; bacterial growth: the unstable temperature may provide a suitable growth environment for bacteria, increasing food safety risks.
Therefore, in order to achieve the purpose of effectively detecting the air tightness of the refrigerator door so as to ensure the fresh-keeping effect of the refrigerator, an air tightness detection device is required.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the air tightness detection device for the fresh-keeping refrigerator door.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a fresh-keeping refrigerator door gas tightness detection device, includes mounting panel and a mounting section of thick bamboo, the mounting groove has been seted up in the front of mounting panel, the back-mounted of mounting panel has handle and touch-sensitive screen, first control terminal is installed to the bottom of mounting panel, the internally mounted of mounting groove has the linear guide module, the detection box is installed to the removal end of linear guide module, first control terminal and touch-sensitive screen electric connection, the internally mounted of a mounting section of thick bamboo has detection mechanism.
Further, the detection mechanism comprises a first installation cavity, a second installation cavity, a cylinder cover, a pressurizing bin and a reaction cylinder, wherein the first installation cavity and the second installation cavity are arranged in the installation cylinder, a second control terminal is arranged on the inner wall of the first installation cavity, a power supply device is arranged on the inner bottom surface of the first installation cavity, a first motor is arranged on the top end of the inner wall of the first installation cavity, a first gear is arranged at the output end of the first motor, a third installation cavity is arranged in the middle position in the installation cylinder, the reaction cylinder is slidably arranged in the third installation cavity, a bottom plate is connected with the cylinder opening of the reaction cylinder in a threaded manner, a first electromagnetic valve is arranged at the bottom of the bottom plate, the cylinder cover is rotatably arranged at the top of the third installation cavity, a fourth installation cavity is arranged in the cylinder cover, a second motor is arranged at the inner top of the fourth installation cavity, the top of the fourth installation cavity is provided with a spray head, the output end of the second motor is provided with a fan, the bottom of the cylinder cover is provided with a second gear, the side surface of the cylinder cover is provided with a temperature and humidity sensor, the side wall of the first installation cavity is provided with an infrared lamp extending to the outside of the installation cylinder, the bottom of the installation cylinder is in threaded connection with a pressurizing bin, the inside of the pressurizing bin is provided with a pressurizing gas cylinder and a second electromagnetic valve, the pressurizing gas cylinder is communicated with the input end of the second electromagnetic valve through a gas pipe, the output end of the second electromagnetic valve is connected with a gas pipe extending to the outside of the pressurizing bin, the side wall of the pressurizing bin is provided with a groove internally provided with a pressure sensor, through the scheme, by combining with a setting component in the installation cylinder, hot steam is input into the refrigerator, and under the monitoring of the temperature and humidity sensor, according to the change trend of the temperature and the temperature, judging the air tightness of the refrigerator, detecting the internal pressure change by using the pressure sensor, and detecting the air tightness of the refrigerator door by matching the infrared lamp with an external component.
Furthermore, the inside of detection box has a plurality of photomultiplier that distribute and with first control terminal electric connection with rectangular array, black rubber frame is installed to the front of mounting panel, through above-mentioned scheme, because the photomultiplier is the vacuum electronic device with weak light signal conversion electrical signal, have high sensitivity, can detect very weak light signal, consequently combine the use of infrared lamp, after pasting the ice box edge with the detection box, utilize its black characteristic of black rubber frame to slow down the influence of external environment light, make the photomultiplier can catch the light by refrigerator inside infrared lamp, thereby judge the gas tightness of refrigerator door from refrigerator outside.
Further, the first gear is meshed with the second gear, and the annular groove matched with the first gear is formed in the cylinder cover, so that the first motor can drive the cylinder cover to rotate through the meshing of the first gear and the second gear, and the rotation of the cylinder cover cannot influence the rotation of the first gear due to the annular groove.
Further, a plurality of through holes are formed in one end, close to the first electromagnetic valve, of the side face of the reaction cylinder, a through hole is formed in one side, close to the input end of the first electromagnetic valve, of the bottom plate, the input end of the first electromagnetic valve is communicated with the second installation cavity through a water pipe, and through the scheme, liquid injected into the second installation cavity of the first electromagnetic valve can be introduced into the fourth installation cavity through the action of the first electromagnetic valve.
Further, the plug head communicated with the second installation cavity is arranged at the position, close to the second installation cavity, of the bottom of the installation cylinder, and through the scheme, a channel is provided for supplementing liquid to the interior of the second installation cavity.
Further, first motor, second motor, temperature and humidity sensor, infrared lamp, first solenoid valve, second solenoid valve, pressure sensor and second control terminal and power supply unit electric connection and the inside signal receiver that sets up of second control terminal, through above-mentioned scheme, supply power to electronic equipment through power supply unit to control foretell electronic equipment through second control terminal.
Further, the fixed block with the electric cylinder is symmetrically arranged at the top end and the bottom end of the front surface of the mounting plate, the output end of the electric cylinder extends to the inner side of the fixed block and is provided with a first sucker, one side of the front surface of the mounting plate, which is far away from the first sucker, is provided with a groove with a threaded rod in threaded connection, the threaded rod extends to one end of the front surface of the mounting plate and is provided with a second sucker, the mounting plate is fixed onto a refrigerator door in an auxiliary mode through the set second sucker, and after the set first sucker is adsorbed onto the refrigerator door, the refrigerator door is pressed under the driving of the electric cylinder, and meanwhile the stability of the mounting plate on the refrigerator door is further improved.
Further, a power supply and a signal receiver are arranged in the first control terminal, and the linear guide rail module, the electric cylinder and the first control terminal are electrically connected, so that the linear guide rail module can be controlled by the first control terminal and the electric signal can be received.
The beneficial effects of the invention are as follows: (1) The invention judges the air tightness of the refrigerator door by using the installation cylinder internally provided with components such as the reaction cylinder, the first electromagnetic valve, the fan and the like and the matching between the infrared lamp and the photomultiplier, and by recording the relevant data of the internal environment of the refrigerator and the data detected by the photomultiplier, and comparing the data, the air pressure in the refrigerator door is larger than the normal air pressure because the refrigerator contains the carbon dioxide which is filled in advance and is supplemented later and the generated water vapor, so that the integral change trend of the change curve of the internal pressure is slower when the air tightness of the refrigerator door is poor, meanwhile, the integral change trend of the light intensity change curve detected by the photomultiplier is slower, if the air tightness of the refrigerator door is normal, along with the disappearance of the pressure of the refrigerator door, when the refrigerator door is opened, the change curve of the pressure value and the change curve of the light intensity are kept at a stable value and then suddenly increased, so that the accuracy of the air tightness detection is improved through multiple data comparison, and the moving distance of the linear guide rail module is combined, so that the specific position of a gap can be obtained on the basis of obtaining the air tightness judging result, the problem position is clarified, and the improvement on the process is facilitated; (2) The invention adopts the suckers positioned at different positions on the mounting plate, and the mounting plate can stably fix the position on the refrigerator door of the mounting plate through the arrangement of the suckers at different positions, thereby ensuring that the photomultiplier can record data in a stable state and improving the accuracy of the air tightness detection result.
Drawings
FIG. 1 is a schematic view of a mounting plate for use in the present invention;
FIG. 2 is a front view of a mounting plate structure for the present invention;
FIG. 3 is a side view of a mounting plate structure for use with the present invention;
FIG. 4 is a schematic view of a mounting cylinder for the present invention;
FIG. 5 is a cross-sectional view showing the internal structure of the mounting cylinder for the present invention.
Reference numerals: 1. a mounting plate; 2. a mounting cylinder; 3. a handle; 4. a touch screen; 5. a first control terminal; 6. a linear guide rail module; 7. a detection box; 8. a first mounting cavity; 9. a second mounting cavity; 10. a cylinder cover; 11. a reaction cylinder; 12. a second control terminal; 13. a power supply device; 14. a first motor; 15. a first gear; 16. a third mounting cavity; 17. a bottom plate; 18. a first electromagnetic valve; 19. a second motor; 20. a spray head; 21. a fan; 22. a second gear; 23. a temperature and humidity sensor; 24. an infrared lamp; 25. a fourth mounting cavity; 26. a mounting groove; 27. a fixed block; 28. a first suction cup; 29. a photomultiplier tube; 30. a pressurized bin; 31. a pressurized gas cylinder; 32. a second electromagnetic valve; 33. a pressure sensor; 34. an electric cylinder; 35. a second suction cup; 36. a threaded rod.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the air tightness detection device for a fresh-keeping refrigerator door of the embodiment comprises a mounting plate 1 and a mounting cylinder 2, wherein a mounting groove 26 is formed in the front surface of the mounting plate 1, a handle 3 and a touch screen 4 are mounted on the back surface of the mounting plate 1, a first control terminal 5 is mounted at the bottom of the mounting plate 1, a linear guide rail module 6 is mounted in the mounting groove 26, a detection box 7 is mounted at the moving end of the linear guide rail module 6, the first control terminal 5 is electrically connected with the touch screen 4, and a detection mechanism is mounted in the mounting cylinder 2.
As shown in fig. 2, the detection box 7 is internally provided with a plurality of photomultiplier tubes 29 distributed in a rectangular array and electrically connected with the first control terminal 5, the front surface of the mounting plate 1 is provided with a black rubber frame, the top surface of the black rubber frame is flush with the top surface of the photomultiplier tube 29, and the top and bottom ends of the front surface of the black rubber frame are provided with bumps for attaching the sides of the magnetic attaching strip of the refrigerator door so as to fill the gap, and the mounting plate 1 is attached to the outer side of the refrigerator door due to the black rubber, so that the black can absorb external light, and due to the use of the photomultiplier tube 29 and the infrared lamp 24, the influence of the external light needs to be reduced, so that the photomultiplier tube 29 can concentrate on capturing the light emitted by the infrared lamp 24 arranged in the refrigerator, if the air tightness of the refrigerator is insufficient, the light of the internal lamp 24 can leak, so that the light is captured by the photomultiplier tube 29, and the photomultiplier tube 29 can move under the driving of the linear guide rail module 6, thereby representing the gap when the photomultiplier tube 29 captures the light and generates an electric signal.
As shown in fig. 2, the top and bottom of the front surface of the mounting plate 1 are symmetrically provided with the fixing blocks 27 with the electric cylinders 34, the output ends of the electric cylinders 34 extend to the inner side of the fixing blocks 27 and are provided with the first suckers 28, one side of the front surface of the mounting plate 1 far away from the first suckers 28 is provided with grooves with internal threads connected with threaded rods 36, one end of each threaded rod 36 extending to the front surface of the mounting plate 1 is provided with the second suckers 35, the first suckers 28 and the second suckers 35 are provided with the second suckers 35, the second suckers 35 are mainly used for being adsorbed on the surface of the refrigerator, so that after a technician holds the handle 3, the mounting plate 1 is adjusted at the side edge of the refrigerator door, the position of the mounting plate 1 is fixed by the second suckers 35, the mounting plate 1 is further connected with the refrigerator door by the first suckers 28, the mounting plate 1 is kept to be tested in a stable state, the linear guide rail module 6, the electric cylinders 34 are electrically connected with the first control terminal 5, the first control terminal 5 are internally provided with a power supply and a signal receiver, the linear guide rail module 6 is controlled by the first control terminal 5, and electric signals generated by the photomultiplier 29 are received.
As shown in fig. 4 to 5, the detection mechanism includes a first installation cavity 8, a second installation cavity 9, a cylinder cover 10, a pressurizing cabin 30 and a reaction cylinder 11, the first installation cavity 8 and the second installation cavity 9 are arranged in the installation cylinder 2, the second installation cavity 9 is mainly used for storing water, a second control terminal 12 is arranged on the inner wall of the first installation cavity 8, a power supply device 13 is arranged on the inner bottom surface of the first installation cavity 8, a first motor 14 is arranged on the top end of the inner wall of the first installation cavity 8, a first gear 15 is arranged at the output end of the first motor 14, a third installation cavity 16 is arranged in the middle position in the installation cylinder 2, and the reaction cylinder 11 is slidably arranged in the third installation cavity 16.
As shown in fig. 5, the bottom plate 17 is screwed at the nozzle of the reaction cylinder 11, a through hole matched with the bottom plate 17 is formed at the bottom of the installation cylinder 2, a limit component is mounted on the side wall of the through hole for fixing the position of the bottom plate 17, a first electromagnetic valve 18 is mounted at the bottom of the bottom plate 17, the cylinder cover 10 is rotatably mounted at the top of the third installation cavity 16, a fourth installation cavity 25 is formed in the cylinder cover 10, a second motor 19 is mounted at the inner top of the fourth installation cavity 25, a spray head 20 is mounted at the top of the fourth installation cavity 25, a plurality of through holes are formed at one end of the side surface of the reaction cylinder 11 close to the first electromagnetic valve 18 so that water can enter the reaction cylinder 11, the through hole is formed in one side, close to the input end of the first electromagnetic valve 18, of the bottom plate 17, the input end of the first electromagnetic valve 18 is communicated with the second installation cavity 9 through a water pipe, a plug which is communicated with the second installation cavity 9 is installed at the position, close to the second installation cavity 9, of the bottom of the installation cylinder 2, a channel is provided for supplementing liquid into the second installation cavity 9, when the installation cylinder 2 is placed in a refrigerator, quantitative quicklime is filled in the interior of the reaction cylinder 11, water injected into the second installation cavity 9 is sent into the third installation cavity 16 through the first electromagnetic valve 18, and after heat is generated by the water and the quicklime in a corresponding mode, the water is heated and evaporated to escape through the spray head 20, so that the temperature and the humidity in the refrigerator are increased.
As shown in fig. 5, the output end of the second motor 19 is provided with a fan 21, the fan 21 can accelerate the escape of water vapor, the cooling can be realized, the safety of the equipment is ensured, the bottom of the cylinder cover 10 is provided with a second gear 22, the first gear 15 is meshed with the second gear 22, the inside of the cylinder cover 10 is provided with an annular groove matched with the first gear 15, after the cylinder cover 10 rotates, the water vapor can be quickly diffused to fill the inside of the refrigerator, the existence of the annular groove ensures that the rotation of the cylinder cover 10 can not influence the rotation of the first gear 15, the side surface of the cylinder cover 10 is provided with a temperature and humidity sensor 23, the side wall of the first installation cavity 8 is provided with an infrared lamp 24 extending to the outside of the installation cylinder 2, the bottom of the installation cylinder 2 is in threaded connection with a pressurizing cabin 30, the inside of the pressurizing cabin 30 is provided with a pressurizing air bottle 31 and a second electromagnetic valve 32, the inside of the pressurizing air bottle 31 is communicated with the input end of the second electromagnetic valve 32 through an air pipe, the output end of the second electromagnetic valve 32 is connected with an air pipe extending to the outside of the pressurizing cabin 30, the side wall of the pressurizing cabin 30 is provided with a pressure sensor 33 inside the pressurizing cabin, the side wall is provided with a pressure sensor 23, the electronic power supply device is electrically controlled by the second electromagnetic valve 12, the electronic device is controlled by the pressure sensor 12, the second electromagnetic valve 13, the electronic device is controlled by the pressure sensor 13, and the electronic device, the electronic device is controlled by the pressure and the terminal 13, and the electronic device is controlled by the pressure and the terminal 13, and the second control terminal 12 may transmit the detection information to the first control terminal 5 and react to the touch screen 4.
The working principle of the embodiment is as follows, when the detection is carried out, the refrigerator door is opened with a smaller gap, carbon dioxide is filled into the refrigerator by means of the inflation equipment, the inflation amount is required to be larger than the internal capacity of the refrigerator, and after the inflation is completed, the refrigerator door is quickly closed.
Before inflation, the reaction cylinder 11 is slid out of the interior of the installation cylinder 2, the reaction cylinder 11 is unscrewed from the bottom plate 17, quantitative quicklime is filled into the reaction cylinder 11, the bottom plate 17 is screwed onto a through hole of the reaction cylinder 11, the reaction cylinder 11 is slid into the third installation cavity 16, the first electromagnetic valve 18 is communicated with the second installation cavity 9 through a hose, the installation cylinder 2 is placed in a refrigerator, the angle of the infrared lamp 24 is adjusted to face a door seam of the refrigerator door, the second control terminal 12 is started, after the refrigerator door is closed, the second control terminal 12 is started, the first electromagnetic valve 18 is used for controlling the water liquid in the second installation cavity 9 to be pumped into the third installation cavity 16, the second motor 19 and the first motor 14 are started, the fan 21 and the first gear 15 are driven to rotate, the second gear 22 is driven to rotate through the first gear 15, the air bottle cover 10 is driven to rotate, the heat generated due to the fact that water and lime are in contact with each other is changed into electric signals, after the refrigerator door is closed, the second control terminal 12 is started, the second electromagnetic valve is controlled to be started, the water liquid in the second installation cavity 9 is pumped into the third installation cavity 16, the second installation cavity 16 is simultaneously, the second electromagnetic valve is used for conducting pressure and the temperature and humidity change is recorded, the temperature change is fast, the temperature change is conducted to the refrigerator is conducted to the inside the refrigerator through the electromagnetic valve, and the inside, and the refrigerator is controlled through the pressure sensor is controlled, and the temperature change is recorded, and the temperature change is fast, and the temperature change is recorded.
After the refrigerator door is closed, the handle 3 is held by hand to enable the mounting plate 1to be attached to a gap of the refrigerator door, after the black rubber frame is mounted on the mounting plate 1to be attached to the side face of the refrigerator door, the second sucker 35 is enabled to be attracted to the side face of the refrigerator by rotating the threaded rod 36, then the first sucker 28 is enabled to be attracted to the front face of the refrigerator door to fix the position of the mounting plate 1, after the handle 3 is held to press the mounting plate 1, the first control terminal 5 is started, the linear guide rail module 6 is controlled to move through the touch screen 4, meanwhile, the movable end of the driving cylinder 34 is driven to act, the refrigerator door is gradually pressed through the first sucker 28, the photomultiplier 29 is driven to continuously move to capture light under the driving of the linear guide rail module 6 before and during the action of the cylinder 34, when the photomultiplier 29 detects the light, an electric signal is transmitted to the first control terminal 5, and relevant information is displayed on the touch screen 4.
After the electric cylinder 34 compresses tightly the refrigerator door through the sucking disc for a period of time, the movable end of the electric cylinder 34 is retracted, thereby weakening the pressure to the refrigerator door gradually, the interior of the refrigerator contains filled carbon dioxide and generated water vapor, the air pressure in the interior of the refrigerator door is larger than the air pressure under normal conditions, therefore, when the air tightness of the refrigerator door is poor, the integral change trend of the change curve of the internal pressure is slower, meanwhile, the integral change trend of the light intensity change curve detected by the photomultiplier 29 is slower, if the air tightness of the refrigerator door is normal, the change curve of the pressure value and the change curve of the light intensity are suddenly increased after a stable value is kept along with the disappearance of the pressure to the refrigerator door, further, the refrigerator with strong sealing performance can weaken the strength of an electric signal due to the material of the refrigerator, after the refrigerator door is opened, the temperature and humidity data and the pressure data are transmitted to the first control terminal 5 and displayed on the touch screen 4, and the air tightness of the refrigerator door is judged by comparing the temperature and humidity data and the electric signal of the photomultiplier 29.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. The utility model provides a fresh-keeping refrigerator door gas tightness detection device, includes mounting panel (1) and mounting cylinder (2), its characterized in that: mounting groove (26) have been seted up in the front of mounting panel (1), handle (3) and touch-sensitive screen (4) are installed to the back side of mounting panel (1), first control terminal (5) are installed to the bottom of mounting panel (1), the internally mounted of mounting groove (26) has linear guide module (6), detection box (7) are installed to the removal end of linear guide module (6), first control terminal (5) and touch-sensitive screen (4) electric connection, the internally mounted of mounting cylinder (2) has detection mechanism.
2. The air tightness detection device for fresh-keeping refrigerator door according to claim 1, wherein: the detection mechanism comprises a first installation cavity (8), a second installation cavity (9), a cylinder cover (10), a pressurizing bin (30) and a reaction cylinder (11), wherein the first installation cavity (8) and the second installation cavity (9) are formed in the installation cylinder (2), a second control terminal (12) is arranged on the inner wall of the first installation cavity (8), a power supply device (13) is arranged on the inner bottom surface of the first installation cavity (8), a first motor (14) is arranged on the top end of the inner wall of the first installation cavity (8), a first gear (15) is arranged at the output end of the first motor (14), a third installation cavity (16) is formed in the middle position inside the installation cylinder (2), the reaction cylinder (11) is slidably mounted in the installation cylinder (16), a bottom plate (17) is connected at the cylinder opening of the reaction cylinder (11), a first electromagnetic valve (18) is arranged at the bottom of the bottom plate (17), a fourth motor (25) is rotatably arranged on the top end of the installation cylinder cover (10), a fourth fan (25) is arranged on the top of the installation cylinder cover (25), the bottom of cover (10) is installed second gear (22), temperature and humidity sensor (23) are installed to the side-mounting of cover (10), the outside infrared lamp (24) of an installation section of thick bamboo (2) are extended in the lateral wall installation of first installation chamber (8), the bottom threaded connection of an installation section of thick bamboo (2) has pressurization storehouse (30), the internally mounted in pressurization storehouse (30) has pressurization gas cylinder (31) and second solenoid valve (32), pressurization gas cylinder (31) are linked together through the trachea with the input of second solenoid valve (32), the output of second solenoid valve (32) is connected with the trachea that extends to the outside of pressurization storehouse (30), the recess that internally mounted has pressure sensor (33) is seted up to pressurization storehouse (30) lateral wall.
3. The air tightness detection device for fresh-keeping refrigerator door according to claim 1, wherein: the inside of the detection box (7) is provided with a plurality of photomultiplier tubes (29) which are distributed in a rectangular array and are electrically connected with the first control terminal (5), and the front surface of the mounting plate (1) is provided with a black rubber frame.
4. The air tightness detection device for fresh-keeping refrigerator door according to claim 2, wherein: the first gear (15) is meshed with the second gear (22), and an annular groove matched with the first gear (15) is formed in the cylinder cover (10).
5. The air tightness detection device for fresh-keeping refrigerator door according to claim 2, wherein: a plurality of through holes are formed in one end, close to the first electromagnetic valve (18), of the side face of the reaction cylinder (11), through holes are formed in one side, close to the input end of the first electromagnetic valve (18), of the bottom plate (17), and the input end of the first electromagnetic valve (18) is communicated with the second installation cavity (9) through a water pipe.
6. The air tightness detection device for fresh-keeping refrigerator door according to claim 2, wherein: and a plug head communicated with the second installation cavity (9) is arranged at the bottom of the installation cylinder (2) close to the second installation cavity (9).
7. The air tightness detection device for fresh-keeping refrigerator door according to claim 2, wherein: the first motor (14), the second motor (19), the temperature and humidity sensor (23), the infrared lamp (24), the first electromagnetic valve (18), the second electromagnetic valve (32), the pressure sensor (33) and the second control terminal (12) are electrically connected with the power supply equipment (13), and a signal receiver is arranged inside the second control terminal (12).
8. The air tightness detection device for fresh-keeping refrigerator door according to claim 1, wherein: the utility model discloses a mounting panel, including mounting panel (1), fixed block (27) that have jar (34) are installed to mounting panel (1) front top and bottom symmetry, the output of jar (34) extends to the inboard of fixed block (27) and installs first sucking disc (28), the recess that inside threaded connection has threaded rod (36) is seted up to one side that first sucking disc (28) was kept away from to mounting panel (1) front, second sucking disc (35) are installed to positive one end of threaded rod (36) extension to mounting panel (1).
9. The air tightness detection device for fresh-keeping refrigerator door according to claim 1, wherein: the inside of first control terminal (5) is provided with power and signal receiver, linear guide rail module (6), electric jar (34) and first control terminal (5) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411097745.4A CN118641102B (en) | 2024-08-12 | 2024-08-12 | Fresh-keeping refrigerator door gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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