Wireless connection USB thermometer control circuit and thermometer

Abstract

The utility model discloses a wireless connection USB thermometer control circuit and a thermometer. The wireless connection USB thermometer control circuit comprises a control module, a power supply module, a wireless communication module, a temperature sensing module, a Flash storage module and a button module. The power supply module is electrically connected with the control module, the wireless communication module, the temperature sensing module, the Flash storage module and the key module respectively; the control module is electrically connected with the wireless communication module, the temperature sensing module, the Flash storage module and the key module respectively. The temperature change of the thermometer can be monitored and checked through the mobile terminal, and the cargo transportation efficiency is improved; in addition, the temperature change of the thermometer is stored in the mobile terminal, and traceability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermometers, in particular to a wirelessly connected USB thermometer control circuit and a thermometer. Background Art

[0002] In the field of cargo transportation, the types of cargo being transported are becoming more and more complex. Some special types of cargo, such as fresh food, have very high requirements for the transportation environment. In order to ensure the smooth progress of transportation, people have also begun to pay attention to temperature changes during transportation.

[0003] In the prior art, the mainstream disposable thermometer is connected to the computer through a USB interface to export data. However, the disposable thermometer will be clamped in the transported goods. When the data needs to be checked, the container needs to be opened to find the thermometer, which greatly affects the efficiency of transportation. Therefore, inventing a convenient and reliable wireless connection USB thermometer control circuit and thermometer is an urgent problem to be solved by technicians in this field. Utility Model Content

[0004] The purpose of this application is to provide a wirelessly connected USB thermometer control circuit and a thermometer. In this solution, the temperature changes of the thermometer can be monitored and viewed through a mobile terminal to improve cargo transportation efficiency; in addition, the temperature changes of the thermometer are stored in the mobile terminal and are traceable.

[0005] In order to solve the above technical problems, the present application provides a wirelessly connected USB thermometer control circuit, including a control module, a power module, a wireless communication module, a temperature sensor module, a Flash storage module and a key module;

[0006] The power module is electrically connected to the control module, the wireless communication module, the temperature sensor module, the Flash storage module and the key module respectively;

[0007] The control module is electrically connected to the wireless communication module, the temperature sensor module, the Flash storage module and the key module respectively.

[0008] Preferably, the wirelessly connected USB thermometer control circuit further comprises an indication module;

[0009] The indication module is electrically connected to the control module and the power module respectively.

[0010] Preferably, the wireless communication module is configured as a Bluetooth module.

[0011] Preferably, the wireless communication module is configured as a WIFI module.

[0012] Preferably, the Bluetooth module includes a Bluetooth control unit, a crystal oscillator unit and a radio frequency unit;

[0013] The Bluetooth control unit is electrically connected to the control module, the power module, the crystal oscillator unit and the radio frequency unit respectively.

[0014] Preferably, the temperature sensing module includes a temperature sensing unit and a switch control unit;

[0015] The temperature sensing unit is electrically connected to the power module, the control module and the switch control unit respectively, and the switch control unit is electrically connected to the power module and the control module respectively.

[0016] Preferably, the temperature sensing unit includes a temperature sensing subunit and a communication subunit;

[0017] The temperature sensing subunit is electrically connected to the power module and the communication subunit respectively, and the communication subunit is electrically connected to the power module, the control module and the switch control unit respectively.

[0018] Preferably, the switch control unit includes a voltage dividing subunit and a switch control subunit;

[0019] The voltage dividing subunit is electrically connected to the power module, the control module and the switch control subunit respectively, and the switch control subunit is electrically connected to the control module.

[0020] Preferably, the switch control subunit includes a MOS tube and a first resistor;

[0021] The gate of the MOS tube is electrically connected to the control module and the first end of the first resistor respectively, the source of the MOS tube is grounded, the second end of the first resistor is grounded, and the drain of the MOS tube is electrically connected to the switch control subunit.

[0022] In order to solve the above technical problems, the present application provides a thermometer, including the above-mentioned wirelessly connected USB thermometer control circuit.

[0023] The utility model discloses a wireless connection USB thermometer control circuit and a thermometer with the following beneficial effects. The utility model discloses a wireless connection USB thermometer control circuit including a control module, a power module, a wireless communication module, a temperature sensing module, a Flash storage module and a key module; the power module is electrically connected to the control module, the wireless communication module, the temperature sensing module, the Flash storage module and the key module respectively; the control module is electrically connected to the wireless communication module, the temperature sensing module, the Flash storage module and the key module respectively. Therefore, the utility model can monitor and check the temperature change of the thermometer through a mobile terminal, and improve the efficiency of cargo transportation; in addition, the temperature change of the thermometer is stored in the mobile terminal, which has traceability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0025] Figure 1 It is a schematic diagram of the principle block diagram of a wirelessly connected USB thermometer control circuit of a preferred embodiment of the utility model;

[0026] Figure 2 It is a schematic diagram of the principle block diagram of a wirelessly connected USB thermometer control circuit of a preferred embodiment of the utility model;

[0027] Figure 3 This is a circuit schematic diagram of a control module of a wirelessly connected USB thermometer control circuit in a preferred embodiment of the utility model;

[0028] Figure 4 This is a circuit schematic diagram of a Bluetooth module that is wirelessly connected to a USB thermometer control circuit in a preferred embodiment of the utility model;

[0029] Figure 5 This is a circuit schematic diagram of a temperature sensing unit of a wirelessly connected USB thermometer control circuit in a preferred embodiment of the utility model;

[0030] Figure 6 It is a circuit schematic diagram of a switch control unit of a wirelessly connected USB thermometer control circuit according to a preferred embodiment of the utility model. DETAILED DESCRIPTION

[0031] The core of this application is to provide a wirelessly connected USB thermometer control circuit and a thermometer. In this solution, the temperature changes of the thermometer can be monitored and viewed through a mobile terminal to improve cargo transportation efficiency; in addition, the temperature changes of the thermometer are stored in the mobile terminal and are traceable.

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] See also Figure 1 , Figure 1 A schematic block diagram of a wirelessly connected USB thermometer control circuit provided in the present application, comprising a control module 1, a power module 2, a wireless communication module 3, a temperature sensor module 4, a Flash storage module 5 and a button module 6;

[0034] The power module 2 is electrically connected to the control module 1, the wireless communication module 3, the temperature sensor module 4, the Flash storage module 5 and the key module 6 respectively;

[0035] The control module 1 is electrically connected to the wireless communication module 3 , the temperature sensor module 4 , the Flash storage module 5 and the key module 6 respectively.

[0036] In the prior art, the mainstream disposable thermometer is connected to the computer via a USB interface to export data. However, the disposable thermometer will be clamped in the transported goods. When the data needs to be checked, the container needs to be opened to find the thermometer, which greatly affects the efficiency of transportation work.

[0037] In view of the above shortcomings, in the present application, remote monitoring of the thermometer is achieved through the cooperation of the control module 1, the power module 2, the wireless communication module 3, the temperature sensor module 4, the Flash storage module 5 and the button module 6.

[0038] Specifically, in this embodiment, the control module 1 is configured as an MCU (Microcontroller Unit), also known as a single chip microcomputer or a single chip microcomputer, which appropriately reduces the frequency and specifications of the central processing unit (CPU), and integrates peripheral interfaces such as memory, timer, USB, A / D conversion, UART, PLC, DMA, and even LCD drive circuits on a single chip to form a chip-level computer.

[0039] Specifically, in this embodiment, the temperature sensing module 4 is used to collect the temperature change value in the truck compartment and store it in the Flash storage module 5; the wireless communication module 3 is used to realize the wireless connection between the mobile terminal and the thermometer; when the mobile terminal is connected to the thermometer, the data in the Flash storage module 5 is transmitted to the mobile terminal through the wireless communication module 3 for remote viewing; the button module 6 is used to realize the power button switch control of the thermometer, the end temperature recording control, etc.

[0040] Specifically, in this embodiment, the data in the Flash storage module 5 can also be transmitted to the PC through the USB interface of the control module 1 itself for viewing, which is not specifically limited here.

[0041] Specifically, in this embodiment, the thermometer is powered by a 3V button battery.

[0042] In summary, the present application provides a wirelessly connected USB thermometer control circuit, which includes a control module 1, a power module 2, a wireless communication module 3, a temperature sensor module 4, a Flash storage module 5 and a key module 6; the power module 2 is electrically connected to the control module 1, the wireless communication module 3, the temperature sensor module 4, the Flash storage module 5 and the key module 6 respectively; the control module 1 is electrically connected to the wireless communication module 3, the temperature sensor module 4, the Flash storage module 5 and the key module 6 respectively. Therefore, the present utility model can monitor and view the temperature change of the thermometer through a mobile terminal, thereby improving the efficiency of cargo transportation; in addition, the temperature change of the thermometer is stored in the mobile terminal, which is traceable.

[0043] Based on the above embodiments:

[0044] Please refer to Figure 2 , Figure 2 A schematic diagram of a wirelessly connected USB thermometer control circuit provided in this application.

[0045] Please refer to Figure 3 , Figure 3 A circuit schematic diagram of a control module provided in this application.

[0046] As a preferred embodiment, a wireless connection USB thermometer control circuit further includes an indication module 7;

[0047] The indication module 7 is electrically connected to the control module 1 and the power module 2 respectively.

[0048] Specifically, in this embodiment, the indicating module 7 is used to indicate the working state of the thermometer. For example, when the temperature in the truck compartment is too high, a red indicator light is on, which is not specifically limited here.

[0049] As a preferred embodiment, the wireless communication module 3 is configured as a Bluetooth module.

[0050] As a preferred embodiment, the wireless communication module 3 is configured as a WIFI module. It is understandable that the mobile terminal and the thermometer can be connected via a Bluetooth module, a WIFI module or other existing wireless communication technologies, which are not specifically limited here.

[0051] Please refer to Figure 4 , Figure 4 A circuit schematic diagram of a Bluetooth module provided in this application.

[0052] As a preferred embodiment, the Bluetooth module includes a Bluetooth control unit 31, a crystal oscillator unit 32 and a radio frequency unit 33;

[0053] The Bluetooth control unit 31 is electrically connected to the control module 1 , the power module 2 , the crystal oscillator unit 32 and the radio frequency unit 33 respectively.

[0054] Specifically, the crystal oscillator unit 32 is used to provide a clock signal for the Bluetooth control unit 31 , and the Bluetooth control unit 31 is used to cooperate with the radio frequency unit 33 to realize wireless signal transmission between the control module 1 and the mobile terminal.

[0055] Please refer to Figure 5 , Figure 5 A circuit schematic diagram of a temperature sensing unit provided in this application.

[0056] Please refer to Figure 6 , Figure 6 A circuit schematic diagram of a switch control unit provided in this application.

[0057] As a preferred embodiment, the temperature sensing module 4 includes a temperature sensing unit 41 and a switch control unit 42;

[0058] The temperature sensing unit 41 is electrically connected to the power module 2 , the control module 1 and the switch control unit 42 , respectively. The switch control unit 42 is electrically connected to the power module 2 and the control module 1 , respectively.

[0059] Specifically, the temperature sensing unit 41 is used to sense the temperature change in the vehicle compartment, and the switch control unit 42 is used to control the transmission switch control between the temperature sensing unit 41 and the control module 1 .

[0060] As a preferred embodiment, the temperature sensing unit 41 includes a temperature sensing subunit 411 and a communication subunit 412;

[0061] The temperature sensing subunit 411 is electrically connected to the power module 2 and the communication subunit 412 respectively, and the communication subunit 412 is electrically connected to the power module 2, the control module 1 and the switch control unit 42 respectively.

[0062] Specifically, in this embodiment, after the temperature sensing subunit 411 collects the temperature value in the vehicle compartment, it transmits it to the control module 1 through the communication subunit 412, and the control module 1 analyzes the temperature value and completes the corresponding control.

[0063] As a preferred embodiment, the switch control unit 42 includes a voltage dividing subunit 421 and a switch control subunit 422;

[0064] The voltage dividing subunit 421 is electrically connected to the power module 2 , the control module 1 and the switch control subunit 422 , respectively. The switch control subunit 421 is electrically connected to the control module 1 .

[0065] As a preferred embodiment, the switch control subunit includes a MOS tube Q1 and a first resistor R25;

[0066] The gate of the MOS transistor Q1 is electrically connected to the control module 1 and the first end of the first resistor R25 , the source of the MOS transistor Q1 is grounded, the second end of the first resistor R25 is grounded, and the drain of the MOS transistor Q1 is electrically connected to the switch control subunit 422 .

[0067] Specifically, in this embodiment, after the temperature sensing subunit 411 collects the temperature value in the vehicle compartment, the MOS tube Q1 is turned on and the power is turned on, and the temperature sensing subunit 411 transmits the collected data to the control module 1 .

[0068] In summary, in this application, the mobile terminal is connected to the thermometer via Bluetooth, and can remotely view the temperature changes in the compartment. Therefore, this application can check the compartment temperature without unpacking, ensure accurate control of the temperature of the goods in the compartment, improve the efficiency of cargo transportation, and have traceability.

[0069] The present application also provides a thermometer, including a wirelessly connected USB thermometer control circuit.

[0070] For an introduction to a wirelessly connected USB thermometer control circuit provided in the present application, please refer to the above-mentioned embodiment, and the present application will not go into details here.

[0071] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0072] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wireless USB thermometer control circuit, characterized in that: It includes a control module, a power module, a wireless communication module, a temperature sensor module, a Flash storage module and a button module; The power module is electrically connected to the control module, the wireless communication module, the temperature sensor module, the Flash storage module and the key module respectively; The control module is electrically connected to the wireless communication module, the temperature sensor module, the Flash storage module and the key module respectively.

2. A wireless connection USB thermometer control circuit according to claim 1, characterized in that: The wireless connection USB thermometer control circuit also includes an indication module; The indication module is electrically connected to the control module and the power module respectively.

3. The wireless USB thermometer control circuit according to claim 1, characterized in that: The wireless communication module is configured as a Bluetooth module.

4. A wireless connection USB thermometer control circuit according to claim 1, characterized in that: The wireless communication module is configured as a WIFI module.

5. A wireless connection USB thermometer control circuit according to claim 3, characterized in that: The Bluetooth module includes a Bluetooth control unit, a crystal oscillator unit and a radio frequency unit; The Bluetooth control unit is electrically connected to the control module, the power module, the crystal oscillator unit and the radio frequency unit respectively.

6. A wireless connection USB thermometer control circuit according to claim 1, characterized in that: The temperature sensing module includes a temperature sensing unit and a switch control unit; The temperature sensing unit is electrically connected to the power module, the control module and the switch control unit respectively, and the switch control unit is electrically connected to the power module and the control module respectively.

7. A wirelessly connected USB thermometer control circuit according to claim 6, characterized in that: The temperature sensing unit includes a temperature sensing subunit and a communication subunit; The temperature sensing subunit is electrically connected to the power module and the communication subunit respectively, and the communication subunit is electrically connected to the power module, the control module and the switch control unit respectively.

8. The wireless USB thermometer control circuit according to claim 6, characterized in that: The switch control unit includes a voltage dividing subunit and a switch control subunit; The voltage dividing subunit is electrically connected to the power module, the control module and the switch control subunit respectively, and the switch control subunit is electrically connected to the control module.

9. A wireless connection USB thermometer control circuit according to claim 8, characterized in that: The switch control subunit includes a MOS tube and a first resistor; The gate of the MOS tube is electrically connected to the control module and the first end of the first resistor respectively, the source of the MOS tube is grounded, the second end of the first resistor is grounded, and the drain of the MOS tube is electrically connected to the switch control subunit.

10. A thermometer, characterized in that: A wirelessly connected USB thermometer control circuit comprising any one of claims 1 to 9.

Images