CN215415338U - Food freshness check out test set - Google Patents
Food freshness check out test set Download PDFInfo
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- CN215415338U CN215415338U CN202120554795.6U CN202120554795U CN215415338U CN 215415338 U CN215415338 U CN 215415338U CN 202120554795 U CN202120554795 U CN 202120554795U CN 215415338 U CN215415338 U CN 215415338U
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Abstract
The utility model relates to the field of detection equipment, and discloses food freshness detection equipment which comprises a temperature and humidity sensor, a VOC (volatile organic compound) sensor and an air quality sensor, wherein the temperature and humidity sensor is used for converting the humidity and the temperature in a space to be detected into stable electric signals; the detection module also comprises a control unit, and the control unit collects data transmitted by the temperature and humidity sensor, the VOC sensor and the air quality sensor; the power supply module is used for supplying power to the detection module and the communication module; the communication module is used for data transmission of components except the control unit and the detection device. The device has the advantages of compact structure, good sealing performance of functional parts, convenient installation, low cost and the like.
Description
Technical Field
The utility model relates to the field of monitoring devices, in particular to a food freshness detection device.
Background
The idea of studying the freshness of a refrigerator is derived from life, taking into account the real status quo that group members encounter when using a refrigerator in life. The final purpose is two-point, firstly, the attention of consumers to the freshness of food is improved, the harm caused by eating the food which is not fresh by mistake is avoided, secondly, the phenomenon of food waste is reduced, and 'drastic saving and waste objection' are achieved. The specific background includes the following two points:
firstly, from the social background, the food safety and food waste problems are increasingly prominent, the requirements of consumers on food quality safety are higher and higher, and the cases related to food waste in news are increased. The food safety problem should be pointed out and taken into consideration by combining the epidemic situation. Reviewing the eighteenth major of the parties, Xi jinping has made numerous indications of food safety issues and advocating a "major conservation, opposition to waste" social fashion. As people live in increasingly beautiful life, the refrigerator has a wide range of applications, and therefore, the food freshness of the refrigerator becomes the most basic attribute which cannot be ignored. Therefore, the group starts from the aspect of food storage, and then focuses on researching the storage link of the refrigerator, and aims to reduce the waste phenomenon generated in the food storage link. In order to avoid bacteria generated by overdue food in a closed space and harm to human health, the project has certain social popularization and use values with respect to the current initial idea of the group.
Chinese patent CN201120348738.9 discloses a refrigerator with a freshness detection device, but the refrigerator itself is greatly modified, and only a general scheme is provided, and the specific implementation difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a food freshness detection device aiming at the defects of the prior art.
In order to solve the technical problem, the utility model is solved by the following technical scheme:
a food freshness detection device comprises a box body, a detection module, a power supply module and a communication module, wherein the box body is used for installing the detection module, the power supply module and the communication module; the detection module comprises a temperature and humidity sensor, a VOC sensor and an air quality sensor, wherein the temperature and humidity sensor is used for converting the humidity and temperature in the space to be detected into stable electric signals, the VOC sensor is used for detecting the type and relative concentration of air VOC, and the air quality sensor is used for detecting hydrogen sulfide gas generated by amine series, waste and fish food deterioration; the detection module also comprises a control unit, and the control unit collects data transmitted by the temperature and humidity sensor, the VOC sensor and the air quality sensor;
the power supply module is used for supplying power to the detection module and the communication module;
the communication module is used for data transmission of components except the control unit and the detection device.
Preferably, the communication module is a bluetooth module.
Preferably, the power supply module comprises a USB interface.
As preferablely, the whole cube shape that is of box body, the box body includes the casing and seals up the apron at the box body back, the middle part of box body is provided with the baffle, form the detection zone between the front side of baffle and the front panel of box body, enclose into the functional area between the rear side of baffle and the apron, detection module, power module and communication module install in the functional area, temperature and humidity sensor, VOC sensor and air quality sensor's probe portion stretches into in the detection zone.
Preferably, the VOC sensor and the air quality sensor are provided with a board-mounted processor, a groove matched with the board-mounted processor in shape is formed in the partition board surface of the functional area, a socket used for enabling a probe part of the temperature and humidity sensor, the VOC sensor and the air quality sensor to extend into the detection area is formed in the bottom surface of the groove, a sealing ring is arranged on the inner side surface of the socket, and the sealing ring is in sealing contact with the probe part.
Preferably, the edge of the functional area shell is provided with a slot, and the cover plate is connected in the slot to seal the functional area.
As the preferred, the lateral surface of apron is provided with a plurality of sand grips, and apron and slot complex limit portion cladding have the sealing strip, and the lateral surface bonding of apron has the double faced adhesive tape to paste.
As the preferred, the front panel and the casing of casing are integrated into one piece structure, and a plurality of gas ports have all been seted up to the curb plate of detection zone casing and the front panel of casing.
Preferably, the front panel of the shell is detachably connected with the shell, the inner side of the front panel of the shell is provided with an inserting column, the shell is provided with a jack corresponding to the inserting column, and the inserting column is inserted into the jack.
Through the technical scheme, the utility model has the following technical effects:
the detection device can match the currently detected parameters with the current temperature and humidity state and simultaneously display the current temperature and humidity state for a user, so that the user can be more reasonably referred. More importantly, the device can adapt to the existing refrigerator without carrying out structural transformation on the existing equipment, can adopt the Bluetooth function and the mobile phone of the user to carry out data transmission, and is convenient for the user to know the fresh state of food in time.
As the humidity of the product is generally high, the product is easy to corrode equipment. So this scheme has carried out structural design to the box body, and this application does not need the screw with the sealed design of whole electrical components part in airtight space, whole assembling process simultaneously, and the shortcoming of the dead later maintenance difficulty of screw card can not appear, and detection zone and functional area separate completely moreover, have further guaranteed the seal in functional area. The detection area gas pocket design is the dot matrix design, can effectively guarantee the circulation of air current, can protect the security of probe part simultaneously. Whole box body is the rectangle shape, is convenient for process and place, and the fixed mode of this application adopts the mode of simple double faced adhesive tape subsides to fix, has with low costs, and the position is changed advantages such as convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the device.
Fig. 2 is a rear view of the device.
Fig. 3 is a schematic structural view of the device with the front panel removed.
Fig. 4 is a schematic structural view with the cover plate removed.
Fig. 5 is a schematic view of the structure with each sensor removed.
Fig. 6 is a schematic structural view of the cover plate.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-box body, 2-detection module, 3-power module, 4-communication module, 5-temperature and humidity sensor, 6-VOC sensor, 7-air quality sensor, 8-USB interface, 9-casing, 10-apron, 11-baffle, 12-detection zone, 13-functional area, 14-probe portion, 15-board carries treater, 16-socket, 17-sealing washer, 18-slot, 19-sand grip, 20-two-sided sticky note, 21-gas port, 22-controller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A food freshness detection device comprises a box body 1, a detection module 2, a power module 3 and a communication module 4, wherein the box body 1 is used for installing the detection module 2, the power module 3 and the communication module 4; the detection module 2 comprises a temperature and humidity sensor 5, a VOC sensor 6 and an air quality sensor 7, wherein the temperature and humidity sensor 5 is used for converting the humidity and temperature in the space to be detected into stable electric signals, the VOC sensor 6 is used for detecting the type and relative concentration of air VOC, and the air quality sensor 7 is used for detecting hydrogen sulfide gas generated by amine series, waste and fish food deterioration; the detection module 2 also comprises a control unit which collects data transmitted by the temperature and humidity sensor 5, the VOC sensor 6 and the air quality sensor 7;
the power supply module 3 is used for supplying power to the detection module 2 and the communication module;
the communication module 4 is used for data transmission of components except the control unit and the detection device.
This device can be collocated current refrigerator and use, but current refrigerator need possess the bluetooth function and can match with this equipment.
Meanwhile, the device can be used as an independent component and a mobile phone, and collected data can be transmitted to the app of the mobile phone end for the user to check.
The whole working principle is as follows: the collected gas information in the refrigerator is transmitted to the controller 22, the controller 22 transmits data to the refrigerator end host or the mobile phone end app through the Bluetooth module, the collected information is processed by the refrigerator end host or the mobile phone end app according to the data updated in real time by the input unit, the data information is processed and then transmitted to the transmission unit, and the terminal of the transmission unit is a display screen. The display screen is combined with an intelligent refrigerator food freshness test platform to remind consumers of food freshness in the refrigerator in real time.
The temperature and humidity sensor 5 is used for converting the humidity and temperature in the refrigerator into stable electric signals, and air is ensured to be in a good detection environment. The VOC sensor 6 itself can detect multiple VOCs and provide a relative output corresponding to the change in VOC concentration. While the sensor is equipped with an onboard processor 15 that enables the sensor to also calculate equivalent relative values for multiple VOCs. Since the outputs of these elements are relative, the data measurement is accurate and no calibration is required. The air quality sensor 7 is an air quality sensor TGS2603, which has high sensitivity to gases with low concentration of odors, such as hydrogen sulfide from amine series and waste, and fish food deterioration. If an object detection gas is present in the air, the higher the concentration of the gas, the higher the conductivity of the sensor. With a simple circuit, the change in conductivity can be converted into a signal output corresponding to the gas concentration.
The device develops the detection to food freshness specific gas through sensors such as wet temperature sensor, VOC sensor 6, air quality sensor 7, uses singlechip and communication technology, has realized the quick collection and the detection and the data communication function of food information in the refrigerator. The intelligent identification of the food type and freshness in the refrigerator is realized by adopting algorithms such as a Linear Discriminant Analysis (LDA) method, a Principal Component Analysis (PCA) method and the like. In practical application, the central control unit can improve a special detection air chamber and an identification algorithm according to the specific low-temperature environment of the fresh-keeping storage of the refrigerator.
In this embodiment, the communication module 4 is a bluetooth module. The Bluetooth module has the advantages of reliable communication, low cost and the like.
In this embodiment, the power supply module 3 includes a USB interface 8. The power module 3 has a usb charging function, so the service life is longer.
In order to ensure that the product can adapt to other harsh detection environments such as an air conditioner, a novel and reliable box body 1 structure is designed in the embodiment.
The whole cube shape that is of box body 1 of this design, box body 1 includes casing 9 and the apron 10 of sealed at the 1 back of box body, the middle part of box body 1 is provided with baffle 11, form detection zone 12 between the front side of baffle 11 and the front panel of box body 1, enclose into functional area 13 between the rear side of baffle 11 and the apron 10, detection module 2, power module 3 and communication module 4 are installed in functional area 13, temperature and humidity sensor 5, VOC sensor 6 and air quality sensor 7's probe portion 14 stretches into in detection zone 12.
The VOC sensor 6 and the air quality sensor 7 are provided with a board-mounted processor 15, a groove matched with the board-mounted processor 15 in shape is formed in the surface of the partition board 11 of the functional area 13, a socket 16 used for enabling a probe part 14 of the temperature and humidity sensor 5, the VOC sensor 6 and the air quality sensor 7 to extend into the detection area 12 is formed in the bottom surface of the groove, a sealing ring 17 is arranged on the inner side surface of the socket 16, and the sealing ring 17 is in sealing contact with the probe part 14. Therefore, the electrical part of the sensor can be sealed in the functional area 13, and the external environment can not damage electrical elements such as a circuit board and the like.
In this embodiment, the functional region 13 is provided with a slot 18 at an edge of the housing 9, and the cover plate 10 is connected to the slot 18 to seal the functional region 13. The outer side surface of the cover plate 10 is provided with a plurality of convex strips 19, the edge part of the cover plate 10 matched with the slot 18 is coated with a sealing strip, and the outer side surface of the cover plate 10 is bonded with a double-sided adhesive tape 20. Casing 9's front panel and casing 9 are integrated into one piece structure, and a plurality of gas ports 21 have all been seted up to the curb plate of detection region 12 casing 9 and the front panel of casing 9.
The detection device designed by the scheme can match the currently detected parameters with the current temperature and humidity state and simultaneously show the current temperature and humidity state to a user, so that the user can be given a more reasonable reference. More importantly, the device can adapt to the existing refrigerator without carrying out structural transformation on the existing equipment, can adopt the Bluetooth function and the mobile phone of the user to carry out data transmission, and is convenient for the user to know the fresh state of food in time.
As the humidity of the product is generally high, the product is easy to corrode equipment. So this scheme has carried out structural design to box body 1, and this application does not need the screw with the sealed design of whole electrical components part in airtight space, whole assembling process simultaneously, and the shortcoming of the dead later maintenance difficulty of screw card can not appear, and detection zone 12 separates completely with functional area 13 moreover, has further guaranteed functional area 13's seal. The air holes of the detection area 12 are designed in a dot matrix mode, so that the circulation of air flow can be effectively guaranteed, and meanwhile, the safety of the probe part 14 can be protected. Whole box body 1 is the rectangle shape, and the processing of being convenient for is fixed with placing, and the fixed mode of this application adopts simple double faced adhesive tape 20's mode to fix, has with low costs, and the position is changed advantages such as convenient.
Example 2
The front panel of the shell 9 is detachably connected with the shell 9, the inner side of the front panel of the shell 9 is provided with an inserting column, the shell 9 is provided with a jack corresponding to the inserting column, and the inserting column is inserted into the jack.
Claims (9)
1. The utility model provides a food freshness check out test set, includes box body (1), detection module (2), power module (3) and communication module (4), its characterized in that:
the box body (1) is used for installing the detection module (2), the power supply module (3) and the communication module (4);
the detection module (2) comprises a temperature and humidity sensor (5), a VOC sensor (6) and an air quality sensor (7), wherein the temperature and humidity sensor (5) is used for converting the humidity and temperature in the space to be detected into stable electric signals, the VOC sensor (6) is used for detecting the type and relative concentration of air VOC, and the air quality sensor (7) is used for detecting hydrogen sulfide gas generated by amine series, waste and fish food deterioration; the detection module (2) also comprises a control unit, and the control unit collects data transmitted by the temperature and humidity sensor (5), the VOC sensor (6) and the air quality sensor (7);
the power supply module (3) is used for supplying power to the detection module (2) and the communication module;
the communication module (4) is used for data transmission of components except the control unit and the detection device.
2. The food freshness detection apparatus according to claim 1, wherein: the communication module (4) is a Bluetooth module.
3. The food freshness detection apparatus according to claim 1, wherein: the power supply module (3) comprises a USB interface (8).
4. The food freshness detection apparatus according to claim 1, wherein: the whole cube shape that is of box body (1), box body (1) is including casing (9) and sealed apron (10) at box body (1) back, the middle part of box body (1) is provided with baffle (11), form detection zone (12) between the front side of baffle (11) and the front panel of box body (1), enclose between the rear side of baffle (11) and apron (10) into functional area (13), detection module (2), install in functional area (13) power module (3) and communication module (4), temperature and humidity sensor (5), probe portion (14) of VOC sensor (6) and air quality sensor (7) stretch into in detection zone (12).
5. The food freshness detection apparatus according to claim 3, wherein: the VOC sensor (6) and the air quality sensor (7) are provided with a board-mounted processor (15), a groove matched with the board-mounted processor (15) in shape is formed in the surface of a partition board (11) of the functional area (13), a socket (16) used for inserting a probe part (14) of the temperature and humidity sensor (5), the VOC sensor (6) and the air quality sensor (7) into the detection area (12) is formed in the bottom surface of the groove, a sealing ring (17) is arranged on the inner side surface of the socket (16), and the sealing ring (17) is in sealing contact with the probe part (14).
6. The food freshness detection apparatus according to claim 5, wherein: the edge of the shell (9) of the functional area (13) is provided with a slot (18), and the cover plate (10) is connected in the slot (18) to seal the functional area (13).
7. The food freshness detection apparatus according to claim 6, wherein: the outer side surface of the cover plate (10) is provided with a plurality of convex strips (19), the edge part of the cover plate (10) matched with the slot (18) is coated with a sealing strip, and the outer side surface of the cover plate (10) is bonded with a double-sided adhesive tape (20).
8. The food freshness detection apparatus according to claim 4, wherein: the front panel of casing (9) and casing (9) are the integrated into one piece structure, and a plurality of gas ports (21) have all been seted up to the curb plate of detection region (12) casing (9) and the front panel of casing (9).
9. The food freshness detection apparatus according to claim 4, wherein: the front panel of casing (9) and casing (9) are for dismantling the connection, and the front panel inboard of casing (9) is provided with inserts the post, and casing (9) is provided with the jack with it corresponding position, inserts the post and pegs graft in the jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554795.6U CN215415338U (en) | 2021-03-18 | 2021-03-18 | Food freshness check out test set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554795.6U CN215415338U (en) | 2021-03-18 | 2021-03-18 | Food freshness check out test set |
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| Publication Number | Publication Date |
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| CN215415338U true CN215415338U (en) | 2022-01-04 |
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| CN202120554795.6U Active CN215415338U (en) | 2021-03-18 | 2021-03-18 | Food freshness check out test set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397410A (en) * | 2022-01-24 | 2022-04-26 | 邹国圣 | Quality guarantee period detection device for safety of nut food |
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2021
- 2021-03-18 CN CN202120554795.6U patent/CN215415338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397410A (en) * | 2022-01-24 | 2022-04-26 | 邹国圣 | Quality guarantee period detection device for safety of nut food |
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