CN215491822U

CN215491822U - Food environment detection device

Info

Publication number: CN215491822U
Application number: CN202120907553.0U
Authority: CN
Inventors: 吴敏; 杨翠平; 刘立芳
Original assignee: Anhui Cti Detection Technology Co ltd
Current assignee: Anhui Cti Detection Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-11
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a food environment detection device, belongs to the field of food environment detection equipment, and mainly solves the problem of detecting various indexes in a food storage environment in real time with better effect and more scientificalness. According to the utility model, the temperature, the humidity, the harmful gas and the harmful microorganism content in the food storage environment are detected in real time, especially air can be continuously sucked into the machine shell, the detection on the harmful gas and the harmful microorganism is more accurate and scientific, the detection data can be stored and is convenient to look up, the food storage in a factory is assisted, and the whole device is also convenient to install and fix.

Description

Food environment detection device

Technical Field

The utility model relates to the field of food environment detection equipment, in particular to a food environment detection device.

Background

Food processing manufacturing enterprise is in the production and processing of food, the warehouse storage has certain requirement to the environment at food place, some food are put the stock cycle in the warehouse longer, the environment in warehouse needs to satisfy certain index, be convenient for food can long-time placing in the warehouse, specifically be the temperature in warehouse, humidity, whether have harmful gas and whether the microorganism index in the environment reaches standard, storage environment ineligibility can make food deteriorate very fast, make the enterprise suffer economic loss, when food is deposited, need to deposit each item index real-time detection of environment, in order to master the situation of depositing of food.

Some existing detection devices are not scientific in detecting harmful gases and microorganisms, because the harmful gases and the microorganisms are distributed unevenly in the atmosphere of the storage environment, the existing detection devices only detect air in partial air areas, namely the air at the positions of the existing detection devices, and cannot objectively reflect index conditions of the whole storage environment.

Therefore, it is necessary to design a food environment detection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a food environment detection device, which mainly solves the problem of detecting various indexes in a food storage environment in real time with better effect and more scientificalness.

The utility model provides a food environment detection device, which comprises a machine shell and a back plate, wherein the machine shell is detachably arranged on the back plate, the front surface of the machine shell is provided with a sensor hole and a fan hole, a fan is arranged in the fan hole, the back plate is provided with a PCB (printed circuit board), and the PCB is internally provided with a temperature sensor, a humidity sensor, a microorganism sensor and a TVOC (transient voltage over current) sensor;

still be provided with the wind channel on the PCB board, the side of backplate be provided with the exhaust vent the one end in wind channel is connected fan hole, other end intercommunication the exhaust vent, temperature sensor and humidity transducer align the sensor hole, microbial sensor and TVOC sensor are located in the wind channel.

In a preferred embodiment, a first mesh cover is installed on the sensor hole, a second mesh cover is installed on the fan hole, and a display screen, a work indicator light and an operation key are arranged on the front surface of the casing.

In a preferred embodiment, a case edge block is disposed on a side surface of the case, a first screw hole is disposed in the case edge block, a back plate edge block is disposed on a side surface of the back plate, a second screw hole is disposed in the back plate edge block, and the first screw hole and the second screw hole are aligned.

In a preferred embodiment, a micro single chip microcomputer is further arranged on the PCB, the temperature sensor, the humidity sensor, the microorganism sensor and the TVOC sensor are all in circuit connection with the micro single chip microcomputer, and the micro single chip microcomputer is in signal connection with the display screen.

In a preferred embodiment, the lower side of the back plate is further provided with a USB interface and a power cord.

The utility model has the technical effects and advantages that:

temperature, humidity, harmful gas and harmful microorganism content real-time detection in the environment are deposited to food, and the data of sampling many times is more accurate, especially can last the air inhale the casing in, more can reflect the gaseous true condition in whole warehouse to harmful gas and harmful microorganism's detection, and the result is more accurate, scientific, can preserve the measured data, be convenient for look up, can assist the mill to deposit food, and whole device installation is fixed also very convenient.

Drawings

FIG. 1 is an overall front view;

FIG. 2 is a front view of the positional relationship of the various components on the backing plate;

fig. 3 is an overall side view.

Description of reference numerals: 1. a housing; 11. a housing edge block; 12. a first screw hole; 13. a display screen; 14. a work indicator light; 15. a sensor aperture; 16. a first mesh cover; 17. an operation key; 18. a fan hole; 19. a second mesh cover; 2. a back plate; 21. a back plate edge block; 22. a second screw hole; 23. an air outlet; 24. a PCB board; 25. a micro single chip microcomputer; 26. a temperature sensor; 27. a humidity sensor; 28. a microbial sensor; 29. a TVOC sensor; 3. a fan; 4. an air duct.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

A food environment detection device, as shown in fig. 1-3, comprises a machine case 1 and a back plate 2, the machine case 1 is detachably mounted on the back plate 2, the front of the machine case 1 is provided with a sensor hole 15 and a fan hole 18, the fan hole 18 is internally provided with a fan 3, the back plate 2 is provided with a PCB 24, the PCB 24 is internally provided with a temperature sensor 26, a humidity sensor 27, a microorganism sensor 28 and a TVOC sensor 29, the model of the temperature sensor 26 is AD7418ARZ, the model of the humidity sensor 27 is SHT20, the model of the microorganism sensor 28 is IST-AG-LV5 (for sampling and detecting microorganisms in the air, detecting glucose, lactic acid, glutamine, glutamate and content thereof to judge the types of the microorganisms, which is the prior art), the model of the TVOC sensor 29 is iAQ-core-C for detecting total volatile organic compounds in the air, is also prior art;

still be provided with wind channel 4 on the PCB board 24, the side of backplate 2 is provided with exhaust vent 23, fan hole 18 is connected to the one end in wind channel 4, other end intercommunication exhaust vent 23, fan 3 work, outside air accessible fan hole 18 gets into wind channel 4, rethread exhaust vent 23 flows out, temperature sensor 26 and humidity transducer 27 align sensor hole 15, with contact warehouse air as far as possible, microorganism sensor 28 and TVOC sensor 29 are located wind channel 4, wind flows in wind channel 4, fully contact microorganism sensor 28 and TVOC sensor 29, detect the air that flows, the result is more scientific, and is accurate.

Install first mesh lid 16 on the sensor hole 15, install second mesh lid 19 on the fan hole 18, first mesh lid 16 and second mesh lid 19 play the guard action, avoid more dust, bold thing to get into in the casing 1, the front of casing 1 is provided with display screen 13, work pilot lamp 14 and manipulating key 17, and temperature, humidity, microorganism kind, content and harmful gas kind, content all show on display screen 13.

The side of casing 1 is provided with casing limit piece 11, be provided with first screw 12 in the casing limit piece 11, the side of backplate 2 is provided with backplate limit piece 21, be provided with second screw 22 in the backplate limit piece 21, when casing 1 was installed on backplate 2, casing limit piece 11 aligns backplate limit piece 21, first screw 12 and second screw 22 align, the reuse double-screw bolt passes second screw 22 and first screw 12 and penetrates the wall body, can fix whole device on the wall.

The PCB 24 is further provided with a micro single chip microcomputer 25, the model of the micro single chip microcomputer 25 is STC15F102W-35I-SOP8, the temperature sensor 26, the humidity sensor 27, the microbial sensor 28 and the TVOC sensor 29 are all in circuit connection with the micro single chip microcomputer 25, the micro single chip microcomputer 25 is in signal connection with the display screen 13, the PCB 24 is further provided with a storage module such as a memory card, and the micro single chip microcomputer 25 writes data detected by the temperature sensor 26, the humidity sensor 27, the microbial sensor 28 and the TVOC sensor 29 into the storage module so as to facilitate the retrieval and reading of workers.

The lower side surface of the back plate 2 is also provided with a USB interface and a power line, data in the storage module can be led out through the USB interface, and the power line is externally connected with a power supply to supply power for the whole device.

In conclusion, the whole device is installed on the wall of a food warehouse, the temperature sensor 26 and the humidity sensor 27 monitor the temperature and the humidity in the air in real time, the fan 3 works by operating the operation key 17 to blow the external air into the air duct 4 to contact the microorganism sensor 28 and the TVOC sensor 29, the micro-singlechip 25 receives the data detected by the temperature sensor 26, the humidity sensor 27, the microorganism sensor 28 and the TVOC sensor 29 in real time and transmits the data to the display screen 13 for displaying, and then the data are stored, the fan 3 can continuously work for a plurality of minutes, the micro-singlechip 25 samples the data detected by the microorganism sensor 28 and the TVOC sensor 29 for a plurality of times at intervals, so that the detected result is more scientific;

the flowing wind energy drives the microorganisms and harmful gases in the air of the whole warehouse to move, and the data detected by the microorganism sensor 28 and the TVOC sensor 29 can truly reflect the condition of the gas of the whole warehouse, so that the method is more scientific and accurate.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The food environment detection device is characterized by comprising a machine shell (1) and a back plate (2), wherein the machine shell (1) is detachably mounted on the back plate (2), a sensor hole (15) and a fan hole (18) are formed in the front surface of the machine shell (1), a fan (3) is arranged in the fan hole (18), a PCB (24) is arranged on the back plate (2), and a temperature sensor (26), a humidity sensor (27), a microorganism sensor (28) and a TVOC (transient voltage transient overvoltage) sensor (29) are arranged in the PCB (24);

still be provided with wind channel (4) on PCB board (24), the side of backplate (2) is provided with exhaust vent (23) the one end in wind channel (4) is connected fan hole (18), other end intercommunication exhaust vent (23), temperature sensor (26) and humidity transducer (27) align sensor hole (15), microbial sensor (28) and TVOC sensor (29) are located in wind channel (4).

2. The food environment detection device according to claim 1, wherein a first meshed cover (16) is installed on the sensor hole (15), a second meshed cover (19) is installed on the fan hole (18), and a display screen (13), a work indicator lamp (14) and an operation key (17) are arranged on the front surface of the housing (1).

3. The food environment detection device according to claim 2, wherein a case edge block (11) is disposed on a side surface of the case (1), a first screw hole (12) is disposed in the case edge block (11), a back plate edge block (21) is disposed on a side surface of the back plate (2), a second screw hole (22) is disposed in the back plate edge block (21), and the first screw hole (12) and the second screw hole (22) are aligned.

4. The food environment detection device according to claim 3, wherein a micro-singlechip (25) is further arranged on the PCB (24), the temperature sensor (26), the humidity sensor (27), the microorganism sensor (28) and the TVOC sensor (29) are all in circuit connection with the micro-singlechip (25), and the micro-singlechip (25) is in signal connection with the display screen (13).

5. A food environment detection device according to claim 4, characterized in that the lower side of the back plate (2) is further provided with a USB interface and a power line.