Tool state signal sending board adopting wireless communication

Abstract

The utility model discloses a tool state signal sending board adopting wireless communication, which is integrated on a PCB (Printed Circuit Board), and the PCB comprises a signal state interface which is used for acquiring a state signal indicating whether a tightening tool signal lamp is qualified or not; the signal conversion module is used for converting an indicator light signal of the tightening tool into a digital level signal; the voltage reduction module is used for reducing the battery voltage of the tightening tool; and the communication module is electrically connected with the signal state interface, the signal conversion module and the voltage reduction module, and the communication module is used for receiving the digital level signal of the tightening tool and transmitting the digital level signal. And the signal state of the tightening tool can be wirelessly transmitted.

Description

Technical Field

[0001] This utility model relates to the technical field of tool status signal transmitting boards, and in particular to a tool status signal transmitting board that uses wireless communication. Background Technology

[0002] Existing handheld tightening tools, such as clutch-type tightening tools, servo tightening tools, current-type tightening tools, and electro-hydraulic pulse tightening tools, do not have wireless signal transmission capabilities; they only have onboard LED indicators for pass and fail. Some tightening tools have built-in communication capabilities, transmitting status signals such as pass, fail, and other tightening data. Other tightening tools, when equipped with a receiver, possess the aforementioned functions, but these are expensive. In many applications, customers only need pass and fail signals, not tightening data. Based on this, a low-cost and reliable wireless communication tool status signal transmission board was designed. Utility Model Content

[0003] To overcome at least one of the defects described in the prior art, this utility model provides a tool status signal transmitting board employing wireless communication. It enables wireless transmission of tightening tool signal status.

[0004] The technical solution adopted by this utility model to solve its problem is:

[0005] A tool status signal transmitting board employing wireless communication is integrated on a PCB board. The PCB board includes: a signal status interface for acquiring status signals indicating whether a tightening tool's indicator light is qualified or not; a signal conversion module for converting the indicator light signal of the tightening tool into a digital level signal; a step-down module for reducing the battery voltage of the tightening tool; and a communication module electrically connected to the signal status interface, the signal conversion module, and the step-down module, for receiving and transmitting the digital level signal from the tightening tool.

[0006] By adopting the above solution, the signal status interface is used to collect whether the tightening tool's indicator light is qualified. The signal conversion module converts the indicator light signal into a digital level signal that the communication module can receive. The step-down module converts the tightening tool's battery voltage into the required low voltage to avoid unnecessary power consumption. The communication module transmits the digital level signal wirelessly, allowing operators to know the tightening tool's signal indication from a distance. Overall, the functional configuration is optimized and the cost is reduced.

[0007] Furthermore, it also includes auxiliary circuitry integrated on the PCB board, the auxiliary circuitry including a pairing button for connecting to the receiving board.

[0008] By adopting the above solution, when the transmitting board and the receiving board need to establish a connection, this button can be used to quickly establish a connection, which is convenient to use.

[0009] Furthermore, the auxiliary circuit also includes a USB interface for program burning.

[0010] By adopting the above solution, the USB interface is used for program burning, which facilitates device function upgrades, bug fixes, or parameter adjustments, extends device lifespan, adapts to changes in application scenario requirements, and enhances device flexibility and scalability.

[0011] Furthermore, the PCB board also includes a battery power input plug for electrical connection with the battery power supply.

[0012] By adopting the above solution, the battery power input plug is used to connect to the battery power supply, providing stable power to the entire PCB board, ensuring the normal operation of each functional module, ensuring that status signals can be continuously collected, converted and sent, and ensuring the stability of equipment operation.

[0013] Furthermore, the PCB board also includes ESD circuitry for power supply protection.

[0014] By adopting the above solution, the ESD circuit protects the power supply and can effectively prevent electrostatic discharge from damaging the power supply and the electronic components on the entire PCB board.

[0015] Furthermore, the PCB board also includes a reserved communication interface for batch firmware burning.

[0016] By adopting the above solution, a communication interface is reserved for batch firmware burning, which facilitates unified firmware updates or function configurations for a large number of products during the production process, thereby improving production efficiency and reducing production costs.

[0017] Furthermore, the signal conversion module employs an optocoupler.

[0018] By adopting the above solution, electrical isolation is achieved, which can effectively avoid interference between different circuits, avoid affecting the original tightening tool circuit, improve the accuracy and stability of signal conversion, ensure reliable transmission of status signals, and enhance the overall performance of the equipment.

[0019] Furthermore, the communication module includes an MCU microcontroller and a wireless communication module electrically connected to the MCU microcontroller.

[0020] By adopting the above scheme, the MCU microcontroller can process, control, and schedule the received digital level signals, while the wireless communication module is responsible for signal transmission. The two work together to achieve efficient and stable wireless communication, ensuring that status signals can be sent out in a timely and accurate manner.

[0021] Furthermore, the wireless communication module is a WIFI module that supports Bluetooth and Zigbee.

[0022] By adopting the above solutions, communication methods become more diversified, meeting both short-distance and long-distance needs.

[0023] Furthermore, the wireless communication module may also be one or more of LoRa, NB-IoT, or Sub-1G.

[0024] By adopting the above solutions, the diversity of communication options can be further enriched, and the special requirements for signal transmission distance, power consumption, etc., in different complex application scenarios can be met.

[0025] In summary, the tool status signal transmitting board using wireless communication provided by this utility model has the following technical effects:

[0026] 1. It uses a WiFi module to transmit signals, thus realizing the function of wireless transmission;

[0027] 2. Use an optocoupler to acquire the indicator light status signal of the tightening tool to avoid interference from the tightening tool circuit;

[0028] 3. A pairing button is set on the PCB board to facilitate batch installation. Attached Figure Description

[0029] Figure 1 This is a structural block diagram of an embodiment of the present utility model;

[0030] Figure 2 This is a structural block diagram of the communication module according to an embodiment of the present utility model;

[0031] Figure 3 This is a block diagram of the auxiliary circuit structure of an embodiment of the present utility model;

[0032] Figure 4 This is a circuit diagram of the communication module, USB interface, reserved communication interface, ESD circuit, and pairing button according to an embodiment of the present utility model.

[0033] Figure 5 This is a circuit diagram of the battery power input plug-in according to an embodiment of the present invention;

[0034] Figure 6 This is a circuit diagram of an optocoupler according to an embodiment of the present invention;

[0035] Figure 7 This is a circuit diagram of the step-down module according to an embodiment of the present invention;

[0036] Figure 8 This is a circuit diagram of the signal status interface of an embodiment of the present invention;

[0037] Figure 9 This is a partial block diagram of the PCB board according to an embodiment of the present utility model.

[0038] The meanings of the reference numerals in the attached diagram are as follows: 1. Status signal interface; 2. Signal conversion module; 21. Optocoupler; 3. Step-down module; 4. Communication module; 41. MCU microcontroller; 42. Wireless communication module; 5. Auxiliary circuit; 51. Pairing button; 52. USB interface; 6. Battery power input plug; 7. ESD circuit. Detailed Implementation

[0039] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described and discussed below with reference to the accompanying drawings. Obviously, what is described here is only a part of the examples of this invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the protection scope of this invention.

[0040] To facilitate understanding of the embodiments of this utility model, further explanations and descriptions will be provided below with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this utility model.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0042] See Figures 1-9This utility model discloses a tool status signal transmitting board using wireless communication, integrated on a PCB board. The PCB board includes a signal status interface, a signal conversion module 2, a step-down module 3, and a communication module 4. The signal status interface is used to collect the status signal of the tightening tool's indicator light to indicate whether it is qualified or not. The signal conversion module 2 is used to convert the indicator light signal of the tightening tool into a digital level signal. The step-down module 3 is used to reduce the battery voltage of the tightening tool. The communication module 4 is electrically connected to the signal status interface, the signal conversion module 2, and the step-down module 3. The communication module 4 is used to receive the digital level signal of the tightening tool and transmit it. By collecting the qualification status of the tightening tool's indicator light through the signal status interface, converting the indicator light signal into a digital level signal that the communication module 4 can receive through the signal conversion module 2, converting the battery voltage of the tightening tool into the required low voltage through the step-down module 3 to avoid unnecessary power consumption, and transmitting the digital level signal through the communication module 4 to achieve wireless transmission, it is convenient for operators to know the signal indication of the tightening tool from a distance. Overall, the functional configuration is optimized and the cost is reduced.

[0043] The tightening tools typically use 18V or 36V high-voltage batteries, which need to be converted to a low voltage of 3.3V by the step-down module 3 to reduce power consumption.

[0044] In this embodiment, the communication module 4 includes an MCU microcontroller 41 and a wireless communication module 42 electrically connected to the MCU microcontroller 41. The MCU microcontroller can process, control, and schedule the received digital level signals, while the wireless communication module 42 is responsible for signal transmission. The two work together to achieve efficient and stable wireless communication, ensuring that status signals are sent out in a timely and accurate manner. More specifically, the MCU microcontroller 41 and the wireless communication module 42 can be pre-integrated modules from the manufacturer, or they can be integrated independently. The MCU collects status signals from the tightening tool for the controller and transmits them through the wireless communication module 42. In this embodiment, the communication module 4 uses an ESP32-C6-MINI-1-N4, which integrates the MCU controller and the wireless communication module 42.

[0045] More specifically, the wireless communication module 42 is a WIFI module that supports Bluetooth and Zigbee. For applications requiring short distances and high energy efficiency, Bluetooth can be used to transmit the tightening tool's status signal; for similar applications, Zigbee can be used to transmit the tightening tool's status signal, providing more diverse communication methods to meet both short-distance and long-distance needs.

[0046] It should also be noted that the WiFi module is not limited to a certain rate and frequency band. The WiFi module rate can be one or more of IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, or IEEE 802.11ax. For example, IEEE 802.11a can be chosen in environments with high network speed requirements and low interference; IEEE 802.11b can be chosen in scenarios where speed requirements are not high but a large signal coverage area is needed; IEEE 802.11g can be chosen in scenarios where transmission speed requirements are moderate and a good signal coverage area is needed; IEEE 802.11n supports dual-band 2.4GHz and 5GHz, significantly improving transmission speed and signal stability, and can support more devices to connect simultaneously; IEEE 802.11ac operates only in the 5GHz band, using wider channels and higher-order modulation methods, making it very suitable for high-speed data transmission scenarios; IEEE 802.11ax also operates in the 2.4GHz and 5GHz bands, and it further optimizes technologies such as multi-user multiple-input multiple-output and orthogonal frequency division multiple access, which not only improves transmission speed but also enhances the management capabilities of multiple device connections and improves network efficiency.

[0047] It should also be noted that the antenna of the WiFi module can be a PCB board antenna or an external antenna. No specific requirements are put forward here, as long as it can achieve the corresponding function.

[0048] In some embodiments, the wireless communication module 42 can also be one or more of LoRa, NB-IoT or Sub-1G, further enriching the diversity of communication options and meeting the special requirements for signal transmission distance, power consumption and other aspects under different complex application scenarios.

[0049] In this embodiment, the signal status interface adopts the X0600WRS-06-LPV01 HF interface, and the signal conversion module 2 adopts an optocoupler 21. More specifically, the optocoupler 21 is a TLP2303. The X0600WRS-06-LPV01 HF has six pins, and there are three TLP2303s, with each TLP2303 having two pins. The six pins of the X0600WRS-06-LPV01 HF are connected to the six pins of the three TLP2303s.

[0050] In some embodiments, the transmitting board further includes an auxiliary circuit 5 integrated on the PCB board. The auxiliary circuit 5 includes a pairing button 51 for connecting to the receiving board. When the transmitting board and the receiving board need to establish a connection, this button can be used to quickly establish a connection, facilitating use. The auxiliary circuit 5 also includes a USB interface 52 for program burning. The USB interface is used for program burning, facilitating device function upgrades, bug fixes, or parameter adjustments, extending device lifespan, adapting to changing application scenarios, and improving device flexibility and scalability.

[0051] In some embodiments, the PCB board further includes a battery power input plug 6 for electrical connection with the battery power supply. The battery power input plug 6 is used to provide stable power to the entire PCB board, ensure the normal operation of each functional module, ensure that status signals can be continuously collected, converted and sent, and ensure the stability of device operation.

[0052] In some embodiments, the PCB board further includes an ESD circuit 7 for protecting the power supply. The ESD circuit protects the power supply and can effectively prevent static electricity from damaging the power supply and the electronic components on the entire PCB board.

[0053] In some embodiments, the PCB board further includes a reserved communication interface for batch firmware burning. The reserved communication interface is used for batch firmware burning, which facilitates unified firmware updates or function configurations for a large number of products during the production process, thereby improving production efficiency and reducing production costs.

[0054] In summary, the tool status signal transmitting board using wireless communication provided by this utility model has the following technical effects:

[0055] 1. It uses a WiFi module to transmit signals, thus realizing the function of wireless transmission;

[0056] 2. Use optocoupler 21 to acquire the indicator light status signal of the tightening tool to avoid the influence of the tightening tool circuit;

[0057] 3. A pairing button 51 is set on the PCB board to facilitate batch installation.

[0058] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A tool status signal transmitting board employing wireless communication, characterized in that, Integrated on a PCB board, the PCB board comprising: The signal status interface is used to collect the status signal of whether the tightening tool indicator light is qualified or not. A signal conversion module, which converts the indicator light signal of the tightening tool into a digital level signal; A step-down module, used to reduce the battery voltage of the tightening tool; The communication module is electrically connected to the signal status interface, the signal conversion module, and the step-down module. The communication module is used to receive digital level signals from the tightening tool and transmit them.

2. The tool status signal transmitting board employing wireless communication according to claim 1, characterized in that, It also includes auxiliary circuitry integrated on the PCB board, the auxiliary circuitry including a pairing button for connecting to the receiving board.

3. A tool status signal transmitting board employing wireless communication according to claim 2, characterized in that, The auxiliary circuit also includes a USB interface for program burning.

4. A tool status signal transmitting board employing wireless communication according to claim 1, characterized in that, The PCB board also includes a battery power input plug for electrical connection with the battery power supply.

5. A tool status signal transmitting board employing wireless communication according to claim 1, characterized in that, The PCB board also includes ESD circuitry for power supply protection.

6. A tool status signal transmitting board employing wireless communication according to claim 1, characterized in that, The PCB board also includes a reserved communication interface for batch firmware burning.

7. A tool status signal transmitting board employing wireless communication according to claim 1, characterized in that, The signal conversion module uses an optocoupler.

8. A tool status signal transmitting board employing wireless communication according to claim 1, characterized in that, The communication module includes an MCU microcontroller and a wireless communication module electrically connected to the MCU microcontroller.

9. A tool status signal transmitting board employing wireless communication according to claim 8, characterized in that, The wireless communication module is a WIFI module that supports Bluetooth and Zigbee.

10. A tool status signal transmitting board employing wireless communication according to claim 8, characterized in that, The wireless communication module can also be one or more of LoRa, NB-IoT, or Sub-1G.

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