Wireless core-spun data acquisition terminal

Abstract

The utility model relates to the technical field of data acquisition and wireless communication, and discloses a wireless core-spun data acquisition terminal, which comprises an equipment end, the equipment end comprises an equipment main box, the equipment main box comprises a flame-retardant shell, a base and a top cover, and the flame-retardant shell is respectively and hermetically mounted with the base and the top cover. During installation, the flame-retardant shell and the convex ring are installed on the base in a sealed mode through sealant, and the sealing performance of closed installation of the bottom of the equipment main box is further ensured through tight embedded installation of the sealing gasket and the annular groove and press-sealing installation of the sealing gasket and the sealing pressing ring. The top cover is in sealed connection with the supporting ring through the sealant, and the fastening screws are in threaded connection with the threaded holes, so that the connection stability and the sealing performance of the top cover and the flame-retardant shell are further reinforced, the overall sealing performance of the equipment main box is ensured, effective airtight level protection can be achieved, and the practicability of the acquisition terminal is improved.

Description

Technical Field

[0001] The utility model relates to the technical fields of data acquisition and wireless communication, and particularly relates to a wireless core data acquisition terminal. Background Art

[0002] When detecting the warehouse environment, manual inspection and manual measurement are mostly used for monitoring. However, manual measurement is prone to human errors, untimely detection, time-consuming and laborious problems. In view of such problems, a more accurate and convenient monitoring method is needed.

[0003] With the development of communication technology, there are more and more wireless communication methods. LoRa communication is a communication technology suitable for regional environmental monitoring, which has remarkable characteristics such as low power consumption, long transmission distance, and simple deployment. Therefore, it is also widely used in the field of intelligent sensing, and LoRa has the characteristic of multiple nodes, which can well save costs.

[0004] At present, for the acquisition terminal used for warehouse environment detection, in order to ensure the safety and quality of stored materials, it is necessary to monitor environmental parameters such as temperature, humidity, light, and gas concentration in the warehouse in real time, which can effectively prevent the damage or deterioration of materials caused by unsuitable environment. Most warehouses are prone to be humid itself, and the acquisition terminal is easily affected when it is in a humid environment for a long time, resulting in moisture entering the interior of the acquisition terminal, affecting its detection accuracy and normal service life. Therefore, how to design a device with high sealing performance, capable of accurately collecting and monitoring various environmental data and remotely wirelessly transmitting has become an urgent problem to be solved. Summary of the Utility Model

[0005] In order to solve the technical problem that the acquisition terminal used for warehouse environment detection is easily affected when it is in a humid environment for a long time, resulting in moisture entering the interior of the acquisition terminal, affecting its detection accuracy and normal service life, the utility model provides a wireless core data acquisition terminal.

[0006] The utility model is realized by adopting the following technical solutions: A wireless core data acquisition terminal includes a device end and a server end. The device end includes a device main box, and the device main box includes a flame-retardant shell, a base and a top cover. The flame-retardant shell is hermetically installed with the base and the top cover respectively.

[0007] A convex ring is integrally formed on the inner ring wall of the flame-retardant shell. An annular groove is formed on the outer periphery of the base. The base is hermetically installed with the flame-retardant shell and the convex ring through sealant. A sealing gasket is embedded in the annular groove, and the sealing gasket is located on the top of the convex ring. A sealing pressure ring is installed on the top of the sealing gasket. The sealing pressure ring is located on the outer periphery of the central axis of the base, and the top of the sealing pressure ring is flush with the top of the central axis of the base.

[0008] A support ring is integrally formed on the inner ring wall of the flame-retardant housing. An installation groove is formed at the bottom of the top cover. The top cover is hermetically installed with the flame-retardant housing and the support ring through sealant. A heat-insulating pad is bonded to the inner wall of the installation groove. Threaded holes are provided on both the support ring and the top cover, and fastening screws are threadedly connected inside the threaded holes. Through holes are formed through the top of the top cover and the heat-insulating pad.

[0009] Preferably, the flame-retardant housing, the base and the top cover are combined to form a closed equipment main box. A power module, a control module MCU, a collection module and a transmission module are installed on the inner cavity bottom wall of the equipment main box. The collection module further includes a metal detection rod and a sensing probe.

[0010] Preferably, the metal detection rod is installed in the inner cavity of the equipment main box, and its rod head end penetrates through the through hole. A sensing probe is provided at the top end of the rod head of the metal detection rod, and a temperature sensor and a moisture sensor are distributed on the sensing probe.

[0011] Preferably, the power module is connected to the control module MCU for power input and control. The control module MCU is connected to the collection module for receiving the data collected by the collection module.

[0012] Preferably, the control module MCU and the transmission module are connected through a serial port. When data is sent, it is transparently transmitted through the serial port. The transmission module uses LoRa communication technology. The control module MCU is wirelessly communicatively connected to the server of an external host computer through the transmission module.

[0013] Preferably, both the moisture sensor and the temperature sensor are rod-shaped. One end is a pointed probe, and the other end is connected to the equipment main box through a metal detection rod. The model of the temperature sensor is DSB.

[0014] Preferably, the model of the control module MCU is STMLCT, and the LoRa module adopted by the transmission module is M-HL.

[0015] Compared with the prior art, the present utility model has the following advantages:

[0016] 1. When the present utility model is installed, the flame-retardant housing and the convex ring are hermetically installed with the base through sealant to ensure the bottom tightness of the main box of the device. In cooperation with the tight fitting installation of the gasket and the annular groove, and the press-sealing installation with the sealing ring further ensure the sealing performance of the bottom closed installation of the main box of the device. The heat-insulating pad is bonded to the inner wall of the installation groove, and the top cover is hermetically connected to the support ring through sealant. In cooperation with the threaded connection of the fastening screw and the threaded hole, the connection stability and tightness between the top cover and the flame-retardant housing are further strengthened, ensuring the sealing performance of the top closed installation of the main box of the device. Thus, the overall tightness of the main box of the device is ensured, which can effectively provide airtight protection, prevent moist gas from entering the interior of the main box of the device and thus affect its detection accuracy and normal service life, and improve the practicability of the acquisition terminal.

[0017] 2. Through the temperature sensor and moisture sensor in the acquisition module of the present utility model, the temperature and moisture data of the object to be measured can be monitored in real time, avoiding human interference, having high precision and high stability, and being able to provide more effective data for subsequent analysis.

[0018] 3. The present utility model adopts the LoRa wireless communication method, with stable communication and no need for wiring, greatly reducing the difficulty of device installation, and being very suitable for the field of Internet of Things data acquisition. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the internal structure of the main box of the device provided by the present utility model;

[0020] Figure 2 is a schematic diagram of the half-sectional structure of the device end of the present utility model;

[0021] Figure 3 is Figure 2 an enlarged schematic diagram of part A in

[0022] Figure 4 is a schematic diagram of the transmission network of the present utility model;

[0023] Figure 5 is a block diagram of the module structure of the present utility model;

[0024] Figure 6 is a working flow chart of the present utility model.

[0025] In the figure: 1. Flame-retardant housing; 101. Convex ring; 102. Support ring; 2. Base; 201. Annular groove; 3. Gasket; 4. Sealing ring; 5. Top cover; 501. Installation groove; 6. Fastening screw; 7. Heat-insulating pad; 8. Threaded hole; 9. Metal probe; 10. Power module; 11. Control module MCU; 12. Transmission module; 13. Temperature sensor; 14. Moisture sensor; 15. Device end; 16. Server end. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0027] Please refer to Figure 1 - Figure 5 , a wireless core data acquisition terminal of this embodiment includes a device end 15 and a server end 16. The device end 15 includes a device main box, and the device main box includes a flame-retardant housing 1, a base 2, and a top cover 5. The flame-retardant housing 1 is hermetically installed with the base 2 and the top cover 5 respectively;

[0028] Further, a convex ring 101 is integrally formed on the inner ring wall of the flame-retardant housing 1. An annular groove 201 is formed on the outer periphery of the base 2. The base 2 is hermetically installed with the flame-retardant housing 1 and the convex ring 101 through a sealant. A gasket 3 is embedded in the groove of the annular groove 201, and the gasket 3 is located on the top of the convex ring 101. A sealing pressure ring 4 is installed on the top of the gasket 3. The sealing pressure ring 4 is located on the outer periphery of the central axis of the base 2, and the top of the sealing pressure ring 4 is flush with the top of the central axis of the base 2;

[0029] Further, a support ring 102 is integrally formed on the inner ring wall of the flame-retardant housing 1. An installation groove 501 is formed at the bottom of the top cover 5. The top cover 5 is hermetically installed with the flame-retardant housing 1 and the support ring 102 through a sealant. A heat-insulating pad 7 is adhesively bonded to the inner wall of the installation groove 501. Threaded holes 8 are provided on both the support ring 102 and the top cover 5. A fastening screw 6 is threadedly connected inside the threaded hole 8. Through holes are formed through the top cover 5 and the top of the heat-insulating pad 7;

[0030] Further, the material of the bottom disc part of the flame-retardant housing 1 and the base 2 is PC+ABS, which has the characteristics of high strength, impact resistance, and high temperature resistance. The central axis part of the base 2, the gasket 3, and the sealing pressure ring 4 are made of polyurethane material, which has good flexibility, elasticity, controllable hardness, high tensile strength, wear resistance, chemical resistance, low temperature stability, and thermal stability. The flame-retardant housing 1 and the convex ring 101 are hermetically installed with the base 2 through a sealant to ensure the bottom sealing of the device main box. The tight fitting installation of the gasket 3 and the annular groove 201, and the pressure sealing installation of the sealing pressure ring 4 further ensure the sealing of the bottom closed installation of the device main box;

[0031] Furthermore, the top cover 5 is made of PC+ABS, the support ring 102 is made of polyurethane, the heat insulation pad 7 is bonded to the inner wall of the installation groove 501, the top cover 5 is hermetically connected to the support ring 102 through a sealant, and in cooperation with the threaded connection of the fastening screw 6 and the threaded hole 8, the connection stability and tightness between the top cover 5 and the flame-retardant housing 1 are further strengthened, ensuring the tightness of the closed installation at the top of the equipment main box. Thus, the overall tightness of the equipment main box is ensured, which can effectively provide airtight protection, prevent moist gas from entering the interior of the equipment main box and thus affect its detection accuracy and normal service life, and improve the practicability of the acquisition terminal;

[0032] Furthermore, the flame-retardant housing 1, the base 2 and the top cover 5 are combined to form a closed and surrounded equipment main box. The inner cavity bottom wall of the equipment main box is equipped with a power module 10, a control module MCU11, a collection module and a transmission module 12. The collection module further includes a metal probe 9 and a sensing probe. The metal probe 9 is installed in the inner cavity of the equipment main box, and its rod head end penetrates through the through hole. A sensing probe is arranged at the top end of the rod head of the metal probe 9, and a temperature sensor 13 and a moisture sensor 14 are distributed on the sensing probe;

[0033] Furthermore, the transmission module 12 uses LoRa communication technology, and the LoRa module adopted by the transmission module 12 is M-HL10. The control module MCU11 is connected to the power module 10. The power module 10 uses a large-capacity lithium battery for power input and control. The moisture sensor 14 and the temperature sensor 13 are connected to the control module MCU11 through the metal probe 9. The control module MCU11 is used to receive the data collected by the moisture sensor 14 and the temperature sensor 13, and perform a wireless communication connection with the server 16 of the external host computer through the transmission module 12. The control module MCU11 and the transmission module 12 are connected through a serial port. When data is sent, it is transparently transmitted through the serial port, and relevant data is reported through the transmission module 12 and instructions from the server are received;

[0034] Furthermore, both the moisture sensor 14 and the temperature sensor 13 are set in a rod shape, and one end of each is a pointed probe. Among them, the moisture sensor 14 can be inserted into the interior of the object to be measured for moisture data collection, and can meet the application requirements of scenarios such as monitoring the moisture of warehouse materials. It can detect the internal moisture data of measured objects such as cigarette packets. The collected data can analyze the current state of the object, and has the characteristics of high precision and high reliability;

[0035] Furthermore, the model of the temperature sensor 13 is DS18B20, which can be inserted into the interior of the object to be measured for temperature collection, and the collected temperature is more accurate, which can provide more effective data for subsequent analysis. The model of the control module MCU12 is STM32L151C8T6, and the data of the temperature sensor 13 and the moisture sensor 14 in the collection module are obtained through single-wire communication configuration.

[0036] Please refer to Figure 6 , the functions implemented by the present utility model include the steps in the following order:

[0037] (1) When the battery starts to supply power, the control module MCU will perform an initialization operation and turn on the power supply of the external sensors of the acquisition module;

[0038] (2) The moisture sensor and temperature sensor of the acquisition module will collect the moisture and temperature data of the object in real time. The control module reads the sensor data and converts and analyzes the original data;

[0039] (3) The control module packs the collected data and sends it to the LoRa gateway through the transmission module, and the gateway forwards it to the remote server for display;

[0040] (4) After the data reporting operation is completed, the control module powers off the idle peripherals, and then the control module MCU itself enters the low-power sleep mode;

[0041] (5) The control module MCU is periodically awakened by the RTC counter, or the control module can also be awakened by a wake-up command remotely sent by the server. Then the device repeats the operations of collecting and reporting data.

[0042] Adopting a low-power design, it can be awakened in multiple ways, can adapt to various environments, and also saves costs.

[0043] The above embodiments are only the preferred embodiments of the present utility model, and the protection scope of the present utility model cannot be limited thereby. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model belong to the protection scope required by the present utility model.

Claims

1. A wireless core data acquisition terminal, including a device end (15) and a server end (16), characterized in that, The device end (15) includes a device main box, and the device main box includes a flame-retardant housing (1), a base (2) and a top cover (5), and the flame-retardant housing (1) is hermetically installed with the base (2) and the top cover (5) respectively; A convex ring (101) is integrally formed on the inner ring wall of the flame-retardant housing (1), an annular groove (201) is formed on the outer periphery of the base (2), the base (2) is hermetically installed with the flame-retardant housing (1) and the convex ring (101) through sealant, a gasket (3) is embedded in the annular groove (201), and the gasket (3) is located on the top of the convex ring (101). A sealing pressure ring (4) is installed on the top of the gasket (3), the sealing pressure ring (4) is located on the outer periphery of the central axis of the base (2), and the top of the sealing pressure ring (4) is flush with the top of the central axis of the base (2); A support ring (102) is integrally formed on the inner ring wall of the flame-retardant housing (1), an installation groove (501) is formed at the bottom of the top cover (5), the top cover (5) is hermetically installed with the flame-retardant housing (1) and the support ring (102) through sealant, a heat insulation pad (7) is bonded to the inner wall of the installation groove (501), threaded holes (8) are provided on both the support ring (102) and the top cover (5), fastening screws (6) are threadedly connected inside the threaded holes (8), and through holes are formed through the top of the top cover (5) and the heat insulation pad (7).

2. The wireless core data acquisition terminal according to claim 1, characterized in that, The flame-retardant housing (1), the base (2) and the top cover (5) are combined to form a closed and enclosed device main box. A power module (10), a control module MCU (11), a collection module and a transmission module (12) are installed on the inner cavity bottom wall of the device main box. The collection module further includes a metal probe (9) and a sensing probe.

3. The wireless core data acquisition terminal according to claim 2, characterized in that, The metal probe (9) is installed in the inner cavity of the device main box, and its rod head end penetrates through the through hole. A sensing probe is provided at the top end of the rod head of the metal probe (9), and a temperature sensor (13) and a moisture sensor (14) are distributed on the sensing probe.

4. The wireless core data acquisition terminal according to claim 2, characterized in that The power module (10) is connected to the control module MCU (11) for power input and control. The control module MCU (11) is connected to the collection module for receiving the data collected by the collection module.

5. The wireless core-sheathed data acquisition terminal according to claim 2, characterized in that, The control module MCU (11) is connected to the transmission module (12) through a serial port. When data is sent, it is transparently transmitted through the serial port. The transmission module (12) uses LoRa communication technology. The control module MCU (11) is wirelessly communicatively connected to the server (16) of an external upper computer through the transmission module (12).

6. The wireless core data acquisition terminal according to claim 3, characterized in that, Both the moisture sensor (14) and the temperature sensor (13) are rod-shaped, one end of which is a pointed probe, and the other end is connected to the device main box through the metal probe (9). The model of the temperature sensor (13) is DS18B20.

7. The wireless core-sheath data acquisition terminal according to claim 2, characterized in that, The model of the control module MCU (11) is STM32L151C8T6, and the LoRa module adopted by the transmission module (12) is M-HL10.

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