CN220304782U - Pressure maintaining test module and pressure maintaining test device - Google Patents
Pressure maintaining test module and pressure maintaining test device Download PDFInfo
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- CN220304782U CN220304782U CN202321831446.XU CN202321831446U CN220304782U CN 220304782 U CN220304782 U CN 220304782U CN 202321831446 U CN202321831446 U CN 202321831446U CN 220304782 U CN220304782 U CN 220304782U
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- 238000006243 chemical reaction Methods 0.000 description 2
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Abstract
The utility model discloses a pressure maintaining test module and a pressure maintaining test device. The utility model also provides a pressure maintaining detection device, which simulates the vacuum state of the container through the vacuum generating assembly and the fixing seat, realizes an independent detection process through a wireless power supply and signal transmission mode, and avoids the defect that the detection result is distorted due to air leakage.
Description
Technical Field
The utility model relates to the technical field of pressure maintaining performance detection equipment of sealed containers, in particular to a pressure maintaining test module and a pressure maintaining test device.
Background
The vacuum environment is favorable for preserving and preserving foods and the like, so that vacuum containers for various products are also formed. For a conventional vacuum sealed container in life, the duration of the vacuum hold is an important indicator defining the performance of the product. The existing detection equipment generally adopts a signal wire and a power wire to directly connect with a detection module, and the detection module is placed in a container to detect the pressure maintaining performance of the container. However, in the wired system, the wire needs to pass through the cover body of the container, which is easy to leak air in the container, and finally distorts the detection result, and cannot reflect the actual quality of the product.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a pressure maintaining test module and a pressure maintaining test device, so as to solve the technical problem of detection distortion caused by the existing wired detection mode.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the embodiment of the utility model provides a pressure maintaining test module, which comprises the following components: the casing and set up in the pressure detection subassembly in the casing, the pressure test subassembly includes: the controller is electrically connected with the wireless power receiver, the wireless signal transmitter and the pressure sensor of the controller; the wireless power receiver is used for supplying power to the controller, the wireless signal transmitter and the pressure sensor, and the controller is used for receiving detection data of the pressure sensor and controlling the wireless signal transmitter to transmit the detection data to external equipment.
The shell is further provided with a switch button and an indicator lamp, and the switch button and the indicator lamp are electrically connected to the controller.
The embodiment of the utility model also provides a pressure maintaining testing device, which comprises: the test device comprises a chassis, at least one test fixing component connected to the chassis shell, a control circuit board arranged in the chassis and a vacuum generating component; the test fixture assembly includes: the pressure detection module is arranged in the cavity.
Wherein the pressure detection module comprises: the fixed plate is connected to the MCU, the pressure sensor, the wireless power receiver and the wireless signal transmitter on the fixed plate, and the pressure sensor, the wireless power receiver and the wireless signal transmitter are all electrically connected to the MCU.
And the chassis is also provided with wireless power transmitters, the number of which is the same as that of the test fixed assemblies, and the wireless power transmitters are positioned at the bottom of the fixed seat.
Wherein, the vacuum generating assembly includes: the vacuum generator is connected to the output end of the first switch valve, the second switch valve is connected to the output end of the vacuum generator, and the output end of the second switch valve is communicated with the cavity of the fixing seat.
And a primary pressure regulating valve is further connected between the first switching valve and the air source.
And a precise pressure regulating valve is further connected between the second switch valve and the fixed seat.
And a power supply is further arranged in the case and is electrically connected to the control circuit board.
Wherein, still be equipped with the display screen on the shell of machine case.
According to the pressure maintaining test module, the pressure maintaining performance of the sealed container is detected by combining the wireless power receiver, the wireless signal transmitter and the pressure detection module, so that the air leakage of the container can be effectively avoided, and the detection accuracy is improved. The utility model also provides a pressure maintaining testing device, which simulates the vacuum state of the container through the vacuum generating assembly and the fixing seat, realizes an independent detection process through a wireless power supply and signal transmission mode, and avoids the defect that the detection result is distorted due to air leakage.
The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.
Drawings
FIG. 1 is a schematic diagram of a pressure maintaining test module according to an embodiment of the utility model.
FIG. 2 is a schematic diagram of a pressure maintaining test device according to an embodiment of the utility model.
Fig. 3 is a schematic diagram of a chassis portion of a pressure maintaining testing apparatus according to an embodiment of the present utility model.
Fig. 4 and fig. 5 are schematic views of different angles inside the box of the pressure maintaining testing device according to the embodiment of the utility model.
FIG. 6 is a schematic view of a portion of a test fixture of a pressure maintaining test apparatus according to an embodiment of the present utility model.
FIG. 7 is a schematic diagram of a portion of an explosion diagram of a test fixture of a pressure maintaining test module according to an embodiment of the utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships as described based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, the present embodiment provides a pressure maintaining test module 100, where the pressure maintaining test module 100 includes: a housing 11, and a pressure detection assembly (not shown) disposed within the housing 11, the pressure test assembly comprising: the controller is electrically connected with the wireless power receiver, the wireless signal transmitter and the pressure sensor of the controller; the wireless power receiver is used for supplying power to the controller, the wireless signal transmitter and the pressure sensor, and the controller is used for receiving detection data of the pressure sensor and controlling the wireless signal transmitter to transmit the detection data to external equipment. When the sealed container is tested, the pressure maintaining test module 100 is placed in the container, and the power is supplied to the wireless power receiver through the external wireless power transmitter, so that a wireless power supply mode is realized, a wire is not required to be used for supplying power, air leakage is avoided, and the detection result is prevented from being influenced.
Further, the casing 11 is further provided with a switch button 12 and an indicator light 13, and the switch button 12 and the indicator light 13 are electrically connected to the controller. The controller is an existing MCU and peripheral circuits thereof, and the wireless electric energy receiver comprises an induction coil and an electric energy alternating current-direct current conversion module. The wireless signal transmitter is a Bluetooth module or an NFC module, in the pressure detection process, the pressure sensor transmits detection signals to the controller, the controller processes the detection signals and transmits the detection signals to the wireless signal transmitter, the wireless signal transmitter transmits signals to external equipment in a wireless mode, the external equipment comprises terminal equipment such as a mobile phone and a computer, and the controller transmits pressure value signals to the outside once according to set time of a set interval.
Referring to fig. 2 to 7 again, the present embodiment further provides a pressure maintaining testing device 200, which includes: the test fixture comprises a case 2, at least one test fixture assembly 3 connected to the case 2, a control circuit board 4 arranged in the case 2, and a vacuum generating assembly 7. The test fixture assembly 3 comprises: the fixing seat 31 and the pressure detection module 32 connected to the fixing seat 31, a cavity 311 with an opening at the top is arranged on the fixing seat 31, and the pressure detection module 32 is arranged in the cavity 311.
Wherein the pressure detection module 32 comprises: a fixed plate 321, an MCU322 connected to the fixed plate 321, a pressure sensor 323, a wireless power receiver 324 and a wireless signal transmitter 325, wherein the pressure sensor 323, the wireless power receiver 324 and the wireless signal transmitter 325 are electrically connected to the MCU322. The MCU322 is provided with peripheral circuits, and the wireless power receiver 324 comprises an induction coil and a power AC/DC conversion module. The wireless signal transmitter 325 is a bluetooth module, an NFC module, or the like.
Referring to fig. 3 again, the chassis 2 is further provided with the same number of radio energy transmitters 24 as the test fixture 3, and the radio energy transmitters 325 are located at the bottom of the fixing base 31.
The casing 2 includes: the box 21 and articulate in the case lid 22 of box 21, case lid 22 sets up in the top of box 21, test fixed subassembly 3 all sets up in the top surface of case lid 22, corresponds, still is equipped with control button 25 on the case lid 22, control button 25 electricity is connected in control circuit board 4, is used for controlling corresponding vacuum generating module 7 and pressure detection module 32 start-stop respectively. The inside of the case 2 is also provided with a fan 6, the case 2 is also provided with a vent hole 211, and the fan 6 and the vent hole 211 jointly dissipate heat inside the case 2.
Wherein, a power supply 5 is also arranged in the case 2, and the power supply 5 is electrically connected to the control circuit board 4. A display screen 23 is further arranged on the outer shell of the case 2, and the display screen 23 is used for displaying pressure test data or pressure test process parameters.
Referring again to fig. 4 and 5, the vacuum generating assembly 7 comprises: the vacuum generator comprises a first switch valve 72 communicated with an air source, a vacuum generator 74 connected to the output end of the first switch valve 72, and a second switch valve 73 connected to the output end of the vacuum generator 74, wherein the output end of the second switch valve 73 is communicated with a cavity 311 of the fixing seat 31, specifically, the fixing seat 31 is further provided with a connector 33, and the second switch valve 73 is connected to the connector 33 through a vent pipe.
Further, a primary pressure regulating valve 71 is further connected between the first switch valve 72 and the air source. A precise pressure regulating valve 75 is also connected between the second switch valve 73 and the fixed seat 31. By arranging the primary pressure regulating valve 71 and the precise pressure regulating valve 75, the vacuum degree of the cavity 311 of the fixed seat 31 can be accurately controlled.
The pressure maintaining detection device 200 is used for simulating a container, and can realize batch detection of the container cover, when the container is subjected to pressure maintaining test, the container cover is inserted into the fixing seat 31, the container cover and the cavity 311 are kept in a sealed state, then the vacuum generating assembly is started to vacuumize the cavity 311, when the pressure value reaches a set value, the vacuumizing is stopped, the pressure is maintained for a set period of time, in the pressure maintaining process, the wireless signal transmitter transmits pressure value signals outwards at intervals, and finally whether the pressure maintaining performance of a product is qualified is judged according to the pressure value change condition.
The pressure maintaining test module of the embodiment is combined with the pressure detection module through the wireless power receiver and the wireless signal transmitter, so that the pressure maintaining performance of the sealed container is detected, the air leakage of the container can be effectively avoided, and the detection accuracy is improved. The utility model also provides a pressure maintaining testing device, which simulates the vacuum state of the container through the vacuum generating assembly and the fixing seat, realizes an independent detection process through a wireless power supply and signal transmission mode, and avoids the defect that the detection result is distorted due to air leakage.
The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The utility model provides a pressurize test module, its characterized in that includes: the casing and set up in the pressure test subassembly in the casing, the pressure test subassembly includes: the controller is electrically connected with the wireless power receiver, the wireless signal transmitter and the pressure sensor of the controller; the wireless power receiver is used for supplying power to the controller, the wireless signal transmitter and the pressure sensor, and the controller is used for receiving detection data of the pressure sensor and controlling the wireless signal transmitter to transmit the detection data to external equipment.
2. The pressure maintaining test module according to claim 1, wherein the shell is further provided with a switch button and an indicator lamp, and the switch button and the indicator lamp are electrically connected to the controller.
3. A pressure maintaining test device, characterized by comprising: the test device comprises a chassis, at least one test fixing component connected to the chassis shell, a control circuit board arranged in the chassis and a vacuum generating component; the test fixture assembly includes: the pressure detection module is arranged in the cavity.
4. A dwell test device according to claim 3, wherein the pressure detection module includes: the fixed plate is connected to the MCU, the pressure sensor, the wireless power receiver and the wireless signal transmitter on the fixed plate, and the pressure sensor, the wireless power receiver and the wireless signal transmitter are all electrically connected to the MCU.
5. The pressure maintaining testing device according to claim 4, wherein the chassis is further provided with a number of wireless power transmitters identical to the number of the testing fixed components, and the wireless power transmitters are located at the bottom of the fixed seat.
6. The dwell testing device according to claim 5, wherein said vacuum generating assembly includes: the vacuum generator is connected to the output end of the first switch valve, the second switch valve is connected to the output end of the vacuum generator, and the output end of the second switch valve is communicated with the cavity of the fixing seat.
7. The pressure maintaining test device according to claim 6, wherein a primary pressure regulating valve is further connected between the first switching valve and the air source.
8. The pressure maintaining test device according to claim 7, wherein a precise pressure regulating valve is further connected between the second switching valve and the fixing seat.
9. The pressure maintaining test device according to claim 8, wherein a power supply is further provided in the cabinet, and the power supply is electrically connected to the control circuit board.
10. The pressure maintaining test device according to claim 9, wherein a display screen is further provided on the housing of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321831446.XU CN220304782U (en) | 2023-07-12 | 2023-07-12 | Pressure maintaining test module and pressure maintaining test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321831446.XU CN220304782U (en) | 2023-07-12 | 2023-07-12 | Pressure maintaining test module and pressure maintaining test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304782U true CN220304782U (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321831446.XU Active CN220304782U (en) | 2023-07-12 | 2023-07-12 | Pressure maintaining test module and pressure maintaining test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304782U (en) |
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2023
- 2023-07-12 CN CN202321831446.XU patent/CN220304782U/en active Active
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