A temperature, humidity and gas concentration measuring device for anti-fumigation storage

Abstract

This invention provides a temperature, humidity, and gas concentration measuring device for fumigation prevention in warehouses. The device includes a temperature and humidity detection unit and a gas concentration detection unit, with the gas concentration detection unit positioned above the temperature and humidity detection unit. The temperature and humidity detection unit includes a first top shell, a first bottom shell, and a first battery assembly, a first circuit board, and a first wireless communication module disposed within the first top and bottom shells. A hollow steel needle is provided at the bottom of the first bottom shell. The gas concentration detection unit includes a second top shell, a second bottom shell, and a gas concentration detection mechanism, a second battery assembly, a second circuit board, and a second wireless communication module disposed within the first top and bottom shells. The second bottom shell is detachably connected to the first top shell, and the top of the second top shell has several first ventilation openings. This invention enables the measurement of temperature, humidity, and fumigation gas concentration in warehouses using the temperature and humidity detection unit and the gas detection unit.

Description

Technical Field

[0001] The invention relates to a temperature, humidity and gas concentration measuring device for anti-fumigation storage. Background Art

[0002] The existing measuring devices used in tobacco or granaries can generally only measure temperature, and cannot measure humidity and gas concentration at the same time. As a populous country, China is very important to people's daily life, whether it is food, tobacco or tea. The storage of items such as food, tobacco and tea can only be carried out in a specific environment. The specific environment not only includes temperature and humidity but also gas concentration factors. The items must be treated with insecticides before storage. For example, before storing food, phosphine or its mixed gas with carbon dioxide is used to fumigate the granary or grain pile to kill insects. Therefore, when storing food, it is necessary not only to measure the temperature in the tobacco or granary space, but also to measure the humidity and the concentration of phosphine or its mixed gas with carbon dioxide in the tobacco or granary space.

[0003] For example, the patent number is 201521081452.3, named as a low-power anti-fumigation wireless core temperature sensor, a Chinese utility model patent, which can only detect temperature but cannot measure the humidity and gas concentration in the tobacco or granary space.

[0004] The above shortcomings need to be improved. Summary of the invention

[0005] In order to overcome the shortcomings of the existing technology, the present invention provides a temperature, humidity and gas concentration measuring device for anti-fumigation storage.

[0006] The technical solution of the present invention is as follows:

[0007] A temperature, humidity and gas concentration measuring device for anti-fumigation storage, characterized in that it comprises a temperature and humidity detection device and a gas concentration detection device, wherein the gas concentration detection device is arranged above the temperature and humidity detection device.

[0008] The temperature and humidity detection device includes a first top shell, a first bottom shell, and a first battery assembly, a first circuit board, and a first wireless communication module arranged inside the first top shell and the first bottom shell. A hollow steel needle is arranged at the bottom of the first bottom shell, and the top of the hollow steel needle passes through the first bottom shell and is fixed to the first bottom shell. A temperature and humidity sensor is arranged in the hollow steel needle. The temperature and humidity sensor, the first battery assembly, and the first wireless communication module are electrically connected to the first circuit board respectively. A plurality of air measuring holes are arranged on the hollow steel needle.

[0009] The gas concentration detection device includes a second top shell, a second bottom shell, and a gas concentration detection mechanism, a second battery assembly, a second circuit board and a second wireless communication module arranged inside the first top shell and the first bottom shell. The gas concentration detection mechanism, the second battery assembly and the second wireless communication module are electrically connected to the second circuit board respectively. The second bottom shell is detachably connected to the first top shell, and a plurality of first ventilation openings are arranged on the top of the second top shell.

[0010] The present invention according to the above scheme is characterized in that a threaded hole is provided at the top of the first top shell, and a screw matched with the threaded hole is provided at the bottom of the second bottom shell.

[0011] The present invention according to the above scheme is characterized in that a plurality of glue injection holes are provided on the hollow steel needle, and the temperature and humidity sensor is fixed in the hollow steel needle through the glue injection holes.

[0012] The present invention according to the above scheme is characterized in that the bottom end of the hollow steel needle is in a pointed cone shape.

[0013] The present invention according to the above scheme is characterized in that a steel needle fixing plate is provided on the top of the hollow steel needle, and the hollow steel needle is fixed on the first bottom shell through the steel needle fixing plate.

[0014] The present invention according to the above scheme is characterized in that the first battery assembly includes a first battery box, a first battery and a first battery cover, the first battery box is fixed on the first bottom shell, a first opening matching with the first battery cover is provided on one side of the first battery box, a second opening matching with the first opening is provided on one side of the first bottom shell, and the first battery cover passes through the second opening and the first opening in sequence to fix the first battery in the first battery box.

[0015] The present invention according to the above scheme is characterized in that the second battery assembly includes a second battery box, a second battery and a second battery cover, the second battery box is fixed on the second bottom shell, a third opening matching with the second battery cover is provided on one side of the second battery box, a fourth opening matching with the third opening is provided on one side of the first bottom shell, and the second battery cover passes through the fourth opening and the third opening in sequence to fix the second battery in the second battery box.

[0016] The present invention according to the above scheme is characterized in that the gas concentration detection mechanism includes a gas concentration sensor, a motor and a first fixed plate, the gas concentration sensor and the motor are electrically connected to the second circuit board respectively, the gas concentration sensor and the motor are fixed to the second bottom shell through the first fixed plate, the gas concentration sensor and the motor are respectively fixed on both sides of the first fixed plate, a fifth opening corresponding to the detection port of the gas concentration sensor is provided on the first fixed plate, a detection port seal is provided on the driving shaft of the motor, and the motor drives the detection port seal to move left and right on the fifth opening through the driving shaft, thereby realizing the opening and closing of the fifth opening.

[0017] Furthermore, a motor fixing piece is provided on the first fixing plate, and the motor is fixed to the first fixing plate through the motor fixing piece.

[0018] The present invention according to the above scheme is characterized in that a first antenna is arranged on the first circuit board, and the first antenna is electrically connected to the first wireless communication module; a second antenna is arranged on the second circuit board, and the second antenna is electrically connected to the second wireless communication module.

[0019] The beneficial effects of the present invention are:

[0020] (1) The present invention can measure the temperature and humidity and fumigation gas concentration of the storage through the temperature and humidity detection equipment and the gas detection equipment, and can upload the detected data to the host through the built-in WIFI module, and the host will then transmit the detection data to the cloud or mobile terminal APP to achieve real-time monitoring;

[0021] (2) The temperature and humidity detection device and the gas detection device of the present invention can be detachably connected through threaded holes and screws;

[0022] (3) The present invention uses a battery assembly to eliminate the need for an external power supply for temperature and humidity detection equipment and gas detection equipment. When replacing the battery, it only requires opening the battery cover, which is quick and convenient.

[0023] (4) The gas concentration detection mechanism of the present invention controls the gas to enter the detection port of the gas concentration sensor through the motor and the detection port seal, which can prevent the gas concentration sensor from being worn out too quickly and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural explosion diagram of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the present invention;

[0026] Figure 3It is a structural explosion diagram of the temperature and humidity detection device of the present invention;

[0027] Figure 4 It is a structural explosion diagram of the gas concentration detection device of the present invention;

[0028] Figure 5 for Figure 2 A magnified image of

[0029] Figure 6 It is a structural schematic diagram of the gas concentration detection mechanism of the present invention;

[0030] In the figure,

[0031] 1. Temperature and humidity detection equipment; 101. first top shell; 102. first bottom shell; 103. hollow steel needle; 104. first battery box; 105. first battery; 106. first battery cover; 1011. threaded hole; 1012. second ventilation opening; 1031. air measuring hole; 1032. glue injection hole; 1033. steel needle fixing plate;

[0032] 2. Gas concentration detection equipment; 201. Second top shell; 202. Second bottom shell; 203. Gas concentration detection mechanism; 204. Second circuit board; 205. Second battery box; 206. Second battery; 207. Second battery cover; 2011. First ventilation opening; 2021. Screw; 2031. Gas concentration sensor; 2032. Motor; 2033. First fixing plate; 2034. Detection port seal; 2035. Motor fixing piece; 2041. Second antenna. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0034] like Figure 1-Figure 4As shown, a temperature, humidity and gas concentration measuring device for fumigation prevention in storage includes a temperature and humidity detection device 1 and a gas concentration detection device 2, and the gas concentration detection device 2 is arranged above the temperature and humidity detection device 1. The temperature and humidity detection device 1 includes a first top shell 101, a first bottom shell 102, and a first battery assembly, a first circuit board and a first wireless communication module arranged inside the first top shell 101 and the first bottom shell 102. A hollow steel needle 103 is arranged at the bottom of the first bottom shell 102, and the top of the hollow steel needle 103 passes through the first bottom shell 102 and is fixed to the first bottom shell 102. A temperature and humidity sensor is arranged in the hollow steel needle 103. The temperature and humidity sensor, the first battery assembly and the first wireless communication module are electrically connected to the first circuit board respectively. A plurality of gas measuring holes 1031 are arranged on the hollow steel needle 103. The design of the gas measuring holes 1031 allows external gas to enter the hollow steel needle 103, so that the temperature and humidity sensor can detect the humidity of the storage. The gas concentration detection device 2 includes a second top shell 201, a second bottom shell 202, and a gas concentration detection mechanism 203, a second battery assembly, a second circuit board 204 and a second wireless communication module arranged inside the first top shell 101 and the first bottom shell 102. The gas concentration detection mechanism 203, the second battery assembly and the second wireless communication module are electrically connected to the second circuit board 204 respectively, the second bottom shell 202 is detachably connected to the first top shell 101, and a plurality of first ventilation openings 2011 are arranged on the top of the second top shell 201.

[0035] The present invention measures the temperature and humidity of the warehouse and the fumigation gas concentration through the temperature and humidity detection device 1 and the gas detection device 2, and uploads the detected data to the host through the first wireless communication module and the second wireless communication module. The host then transmits the received detection data to the cloud database (the data transmission method can be active upload or manual upload at this time). The cloud can remotely monitor the temperature and humidity of the warehouse and the concentration of the fumigation gas as long as it is connected to the Internet. The host can also transmit the detection data to the mobile terminal APP wirelessly, and remotely monitor the temperature and humidity of the warehouse and the concentration of the fumigation gas through the mobile terminal APP. The host is placed in the middle of the top of the warehouse or hung in the center of the ceiling above the warehouse. Avoid placing it on the ground parallel to the goods, otherwise it will affect the sending and receiving of signals.

[0036] In this embodiment, the first wireless communication module and the second wireless communication module are WIFI communication modules.

[0037] like Figure 1 As shown, in this embodiment, a threaded hole 1011 is provided at the top of the first top shell 101, and a screw 2021 matching the threaded hole 1011 is provided at the bottom of the second bottom shell 202, and a detachable connection between the temperature and humidity detection device 1 and the gas detection device 2 is realized through the screw 2021 and the threaded hole 1011.

[0038] In this embodiment, a plurality of second ventilation openings 1012 are disposed on the top of the first top shell 101 .

[0039] like Figure 5 As shown, in this embodiment, a plurality of glue injection holes 1032 are provided on the hollow steel needle 103 , and the temperature and humidity sensor is fixed in the hollow steel needle 103 through the glue injection holes 1032 .

[0040] In this embodiment, the bottom end of the hollow steel needle 103 is in a pointed cone shape and can be inserted into the goods to be detected to collect data. At the same time, when the hollow steel needle 103 is inserted into the goods to be detected, the fumigation gas is accelerated to enter the interior of the goods to be detected.

[0041] In this embodiment, a steel needle fixing plate 1033 is provided on the top of the hollow steel needle 103 , and the hollow steel needle 103 is fixed on the first bottom shell 102 through the steel needle fixing plate 1033 .

[0042] In this embodiment, the first battery assembly includes a first battery box 104, a first battery 105 and a first battery cover 106. The first battery 105 box 104 is fixed on the first bottom shell 102. A first opening matching with the first battery cover 106 is provided on one side of the first battery box 104. A second opening matching with the first opening is provided on one side of the first bottom shell 102. The first battery cover 106 passes through the second opening and the first opening in sequence to fix the first battery 105 in the first battery 105 box 104. This design eliminates the trouble of an external power supply for the temperature and humidity detection device 1. At the same time, when replacing the battery, it only needs to open the battery cover, and the operation is quick and convenient.

[0043] In this embodiment, the second battery assembly includes a second battery box 205, a second battery 206 and a second battery cover 207. The second battery 206 box 205 is fixed on the second bottom shell 202. A third opening matching the second battery cover 207 is provided on one side of the second battery box 205. A fourth opening matching the third opening is provided on one side of the first bottom shell 102. The second battery cover 207 passes through the fourth opening and the third opening in sequence to fix the second battery 206 in the second battery 206 box 205. This design eliminates the trouble of an external power supply for the gas concentration detection device 2. At the same time, when replacing the battery, it only needs to open the battery cover, and the operation is quick and convenient.

[0044] like Figure 6As shown, in this embodiment, the gas concentration detection mechanism 203 includes a gas concentration sensor 2031, a motor 2032 and a first fixed plate 2033. The gas concentration sensor 2031 and the motor 2032 are electrically connected to the second circuit board 204 respectively. The gas concentration sensor 2031 and the motor 2032 are fixed to the second bottom shell 202 through the first fixed plate 2033. The gas concentration sensor 2031 and the motor 2032 are respectively fixed on both sides of the first fixed plate 2033. The first fixed plate 2033 is provided with a fifth opening corresponding to the detection port of the gas concentration sensor 2031. A detection port seal 2034 is provided on the driving shaft of the motor 2032. The motor drives the detection port seal to move left and right on the fifth opening through the driving shaft, thereby realizing the opening and closing of the fifth opening. When detecting the fumigation gas concentration, the motor 2032 is started to move the detection port seal 2034 away from the fifth opening, so that the fumigation gas enters the detection port of the gas concentration sensor 2031. After the measurement, the motor 2032 is started again to move the detection port seal 2034 to the fifth opening to block the fifth opening. This design can prevent the gas concentration sensor 2031 from wearing out too quickly and extend its service life.

[0045] Preferably, a motor fixing member 2035 is provided on the first fixing plate 2033 , and the motor 2032 is fixed on the first fixing plate 2033 via the motor fixing member 2035 .

[0046] In this embodiment, a first antenna is disposed on the first circuit board and is electrically connected to the first wireless communication module. A second antenna 2041 is disposed on the second circuit board 204 and is electrically connected to the second wireless communication module. The signal receiving range and speed of the wireless communication module are enhanced by the antenna.

[0047] The beneficial effects of the present invention are:

[0048] (1) The present invention can measure the temperature and humidity and fumigation gas concentration of the storage through the temperature and humidity detection equipment and the gas detection equipment, and can upload the detected data to the host through the built-in WIFI module, and the host will then transmit the detection data to the cloud or mobile terminal APP to achieve real-time monitoring;

[0049] (2) The temperature and humidity detection device and the gas detection device of the present invention can be detachably connected through threaded holes and screws;

[0050] (3) The present invention uses a battery assembly to eliminate the need for an external power supply for temperature and humidity detection equipment and gas detection equipment. When replacing the battery, it only requires opening the battery cover, which is quick and convenient.

[0051] (4) The gas concentration detection mechanism of the present invention controls the gas to enter the detection port of the gas concentration sensor through the motor and the detection port seal, which can prevent the gas concentration sensor from being worn out too quickly and extend its service life.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A temperature, humidity and gas concentration measuring device for anti-fumigation storage, characterized in that: It includes a temperature and humidity detection device and a gas concentration detection device, wherein the gas concentration detection device is arranged above the temperature and humidity detection device. The temperature and humidity detection device includes a first top shell, a first bottom shell, and a first battery assembly, a first circuit board, and a first wireless communication module arranged inside the first top shell and the first bottom shell. A hollow steel needle is arranged at the bottom of the first bottom shell, and the top of the hollow steel needle passes through the first bottom shell and is fixed to the first bottom shell. A temperature and humidity sensor is arranged in the hollow steel needle. The temperature and humidity sensor, the first battery assembly, and the first wireless communication module are electrically connected to the first circuit board respectively. A plurality of air measuring holes are arranged on the hollow steel needle. The gas concentration detection device comprises a second top shell, a second bottom shell, and a gas concentration detection mechanism, a second battery assembly, a second circuit board, and a second wireless communication module arranged inside the first top shell and the first bottom shell, wherein the gas concentration detection mechanism, the second battery assembly, and the second wireless communication module are electrically connected to the second circuit board respectively, the second bottom shell is detachably connected to the first top shell, and a plurality of first ventilation openings are arranged on the top of the second top shell; The first battery assembly includes a first battery box, a first battery and a first battery cover, the first battery box is fixed on the first bottom shell, a first opening matched with the first battery cover is provided on one side of the first battery box, a second opening matched with the first opening is provided on one side of the first bottom shell, and the first battery cover passes through the second opening and the first opening in sequence to fix the first battery in the first battery box; The gas concentration detection mechanism includes a gas concentration sensor, a motor and a first fixed plate, the gas concentration sensor and the motor are electrically connected to the second circuit board respectively, the gas concentration sensor and the motor are fixed to the second bottom shell through the first fixed plate, the gas concentration sensor and the motor are respectively fixed on both sides of the first fixed plate, a fifth opening corresponding to the detection port of the gas concentration sensor is provided on the first fixed plate, a detection port seal is provided on the driving shaft of the motor, and the motor drives the detection port seal to move left and right on the fifth opening through the driving shaft, thereby realizing the opening and closing of the fifth opening.

2. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: The top of the first top shell is provided with a threaded hole, and the bottom of the second bottom shell is provided with a screw matched with the threaded hole.

3. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: The hollow steel needle is provided with a plurality of glue injection holes, and the temperature and humidity sensor is fixed in the hollow steel needle through the glue injection holes.

4. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: The bottom end of the hollow steel needle is in a pointed cone shape.

5. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: A steel needle fixing plate is provided on the top of the hollow steel needle, and the hollow steel needle is fixed on the first bottom shell through the steel needle fixing plate.

6. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: The second battery assembly includes a second battery box, a second battery and a second battery cover. The second battery box is fixed on the second bottom shell. A third opening matching with the second battery cover is provided on one side of the second battery box. A fourth opening matching with the third opening is provided on one side of the first bottom shell. The second battery cover passes through the fourth opening and the third opening in sequence to fix the second battery in the second battery box.

7. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: The first fixing plate is provided with a motor fixing piece, and the motor is fixed to the first fixing plate through the motor fixing piece.

8. The temperature, humidity and gas concentration measuring device for anti-fumigation storage according to claim 1, characterized in that: A first antenna is disposed on the first circuit board and is electrically connected to the first wireless communication module. A second antenna is disposed on the second circuit board and is electrically connected to the second wireless communication module.

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