Automatic counting device of sewing machine based on WIFI wireless network

Abstract

The invention discloses a sewing machine automatic counting device based on a WIFI wireless network. The sewing machine automatic counting device comprises a power supply module, a WIFI communication module and a counting detection circuit. The power supply module is connected with the WIFI communication module, the WIFI communication module is connected with the counting detection circuit, and two divider resistors in the counting detection circuit carry out voltage division and reduction processing on high voltage signals generated when the sewing machine works so that the WIFI module can detect the high voltage signals conveniently. The counting detection circuit outputs the state detection signal to the WIFI communication module, and the WIFI communication module counts the working times of the sewing machine by counting the high-low level change times of the received state detection signal. The WIFI communication module uploads the counted number of times to a cloud or a server according to a certain frequency through a wireless network technology, and remote monitoring and management of the sewing machine are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of wireless network, and in particular to an automatic counting device for sewing machines based on a WIFI wireless network. Background Art

[0002] The background technology of the automatic counting device for sewing machines based on WIFI wireless network mainly stems from the demand for monitoring and management of sewing machine production efficiency and the rapid development of wireless communication technology.

[0003] First, with the development of the garment manufacturing industry, the requirements for the working efficiency of sewing machines are getting higher and higher. The traditional manual counting method is not only inefficient, but also prone to errors, and it is difficult to meet the needs of modern production lines. Therefore, a device that can automatically record and count sewing machine working data is needed to improve production efficiency and management level.

[0004] Secondly, the popularity of WIFI wireless network technology provides technical support for the development of automatic counting devices for sewing machines. WIFI technology has the advantages of fast transmission speed, wide coverage, and high stability, which enables the automatic counting device for sewing machines to upload working data to the cloud or server in real time to achieve remote monitoring and management.

[0005] However, the development of the automatic counting device for sewing machines based on WIFI wireless network also faces some technical challenges. First, it is necessary to ensure the compatibility of the device with the sewing machine so that the working data of the sewing machine can be accurately obtained. Secondly, it is necessary to solve the stability and reliability of the WIFI signal in the working environment of the sewing machine to avoid data loss or transmission errors. In addition, it is also necessary to consider how to optimize the data processing and storage methods to better meet the needs of production and management.

[0006] Therefore, the research and development of the sewing machine automatic counting device based on WIFI wireless network aims to realize the automatic collection, transmission and processing of sewing machine working data by combining advanced wireless communication technology and data processing technology, and provide an efficient and accurate production monitoring and management tool for the clothing manufacturing industry. This device can not only improve production efficiency and reduce labor costs, but also help managers understand production conditions in real time, optimize production processes, and enhance the competitiveness of enterprises. Summary of the invention

[0007] The purpose of the embodiment of the present invention is to provide a sewing machine automatic counting device based on a WIFI wireless network, aiming to solve the problems mentioned in the background technology.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] An automatic counting device for a sewing machine based on a WIFI wireless network, comprising a power supply module, a WIFI communication module, and a counting detection circuit;

[0010] The power supply module is connected to the WIFI communication module, and the WIFI communication module is connected to the counting detection circuit;

[0011] The power supply module is used to provide power, the WIFI communication module is used to count the number of times the sewing machine works according to the number of times the status detection signal changes, and send the counted number of times the sewing machine works to the background server via WIFI, and the counting detection circuit is used to detect the pedaling working state of the sewing machine and generate a status detection signal.

[0012] Further, the power supply module includes a power input interface X1, a first capacitor C1, a second capacitor C2, a first diode D1, a second diode D2, a DCDC chip U1, a third capacitor C3, and a fourth capacitor C4. The first port of the power input interface X1 is connected to the digital ground, the second port of the power input interface X1 is connected to one end of the first capacitor C1, one end of the second capacitor C2, the cathode of the first diode D1, and the first port of the DCDC chip U1, the third port of the DCDC chip U1 is connected to one end of the third capacitor C3, the anode of the second diode D2, the cathode of the second diode D2 is connected to one end of the fourth capacitor C4 and the power input end of the WIFI communication module to provide power to the WIFI communication module. The other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3, the other end of the fourth capacitor C1, the anode of the first diode D1, and the second port of the DCDC chip U1 are all connected to the digital ground.

[0013] Furthermore, the WIFI communication module includes a WIFI module U2. The seventeenth port and the twenty-fourth port of the WIFI module U2 are connected to the digital ground together, the fifth port of the WIFI module U2 is connected to the output end of the power supply module, and the twenty-ninth port of the WIFI module U2 is connected to the signal output end of the counting detection circuit for detecting the working state of the sewing machine.

[0014] Further, the counting detection circuit includes a first resistor R1, a second voltage-dividing resistor R2, a third voltage-dividing resistor R3, a fifth capacitor C5, a sixth capacitor C6, a first transistor Q1, and a state input interface X2. The second port of the state input interface X2 is connected to one end of the second voltage-dividing resistor R2, the other end of the second voltage-dividing resistor R2 is connected to one end of the third voltage-dividing resistor R3, one end of the sixth capacitor C6, and the base of the first transistor Q1, the emitter of the first transistor Q1, one end of the first resistor R1, and one end of the fifth capacitor C5 are all connected to the signal input end of the WIFI communication module, the other end of the first resistor R1 is connected to the 3.3V power supply of the WIFI communication module to provide a pull-up high level for the detection circuit, the other end of the fifth capacitor C5, the collector of the first transistor Q1, the other end of the sixth capacitor C6, the other end of the third voltage-dividing resistor R3, and the first port of the state input interface X2 are all connected to the digital ground, and the emitter of the first transistor Q1 outputs the state detection signal.

[0015] The resistance values ​​of the second voltage-dividing resistor and the third voltage-dividing resistor are in a preset ratio;

[0016] In a possible implementation, the first transistor Q1 is a PNP transistor, which is cut off at a high level and turned on at a low level;

[0017] In a possible implementation, the ratio of the second voltage-dividing resistor to the third voltage-dividing resistor is 6.8:1;

[0018] In a possible implementation, the resistance value of the second voltage-dividing resistor is 68KΩ, and the resistance value of the third voltage-dividing resistor is 10KΩ;

[0019] In a possible implementation, the model of the DCDC chip U1 is 7805, and the input power outputs a 5V power supply through the DCDC chip U1 to provide working power to the WIFI communication module;

[0020] In a possible implementation, the first capacitor C1 , the second capacitor C2 , the third capacitor C3 , the fourth capacitor C4 , the fifth capacitor C5 , and the sixth capacitor C6 are all implemented as non-polarized capacitors.

[0021] In the embodiment of the present application, the twenty-ninth port of the WIFI module U2 is used to receive the status detection signal of the sewing machine. When the sewing machine pedal is not stepped on in the normal state, the 24V high level of the second port of the status input interface X2 is divided by the second voltage-dividing resistor R2 and the third voltage-dividing resistor R3 to output a 3V high level to the base of the first transistor Q1. At this time, the first transistor Q1 is in the cut-off state, and the twenty-ninth port of the WIFI module U2 is pulled up to a 3.3V high level by the first resistor R1. When the sewing machine pedal is stepped on, the 24V high level of the second port is short-circuited with the digital ground, and the second voltage-dividing resistor R2 and the third voltage-dividing resistor R3 are divided to output a 0V low level to the base of the first transistor Q1. At this time, the first transistor Q1 is turned on, the emitter and collector of the first transistor Q1 are turned on, and the twenty-ninth port of the WIFI module U2 becomes a 0V low level. Similarly, after the sewing machine pedal is released, the level state of the twenty-ninth port of the WIFI module U2 is restored to a 3V high level. Therefore, when the level state of the twenty-ninth port of the WIFI module U2 changes from a high level of 3V to a low level of 0V, it is counted once, and the WIFI module U2 will record this count number and upload it to the cloud server.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention outputs a status detection signal to a WIFI communication module through a counting detection circuit. The WIFI communication module counts the number of high and low level changes of the received status detection signal to achieve statistics on the number of times the sewing machine works. The WIFI communication module uploads the counted number of times to a cloud or a server through wireless network technology at a certain frequency, thereby realizing remote monitoring and management of the sewing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the framework structure of an automatic counting device for a sewing machine based on a WIFI wireless network provided by an exemplary embodiment of the present application is shown.

[0025] Figure 2 A specific circuit diagram of a sewing machine automatic counting device based on a WIFI wireless network provided by an exemplary embodiment of the present application is shown. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] like Figure 1As shown, an automatic counting device for sewing machines based on a WIFI wireless network includes a power supply module, a WIFI communication module, and a counting detection circuit.

[0028] The power supply module is connected to the WIFI communication module, and the WIFI communication module is connected to the counting detection circuit;

[0029] The power supply module is used to provide power, the WIFI communication module is used to count the number of times the sewing machine works according to the number of times the status detection signal changes, and send the counted number of times the sewing machine works to the background server via WIFI, and the counting detection circuit is used to detect the pedaling working state of the sewing machine and generate a status detection signal.

[0030] The present invention outputs a status detection signal to a WIFI communication module through a counting detection circuit. The WIFI communication module counts the number of high and low level changes of the received status detection signal to achieve statistics on the number of times the sewing machine works. The WIFI communication module uploads the counted number of times to a cloud or a server through wireless network technology at a certain frequency, thereby realizing remote monitoring and management of the working state of the sewing machine.

[0031] In one embodiment of the invention, Figure 2 As shown, the power supply module includes a power input interface X1, a first capacitor C1, a second capacitor C2, a first diode D1, a second diode D2, a DCDC chip U1, a third capacitor C3, and a fourth capacitor C4. The first port of the power input interface X1 is connected to the digital ground, the second port of the power input interface X1 is connected to one end of the first capacitor C1, one end of the second capacitor C2, the cathode of the first diode D1, and the first port of the DCDC chip U1, the third port of the DCDC chip U1 is connected to one end of the third capacitor C3, the anode of the second diode D2, the cathode of the second diode D2 is connected to one end of the fourth capacitor C4 and the power input end of the WIFI communication module to provide power to the WIFI communication module. The other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3, the other end of the fourth capacitor C1, the anode of the first diode D1, and the second port of the DCDC chip U1 are all connected to the digital ground, wherein the capacitance of the first capacitor C1, the second capacitor C2, the third capacitor C3, and the fourth capacitor C4 is 100nF, the model of the first diode D1 is 1N4007, the model of the second diode D2 is B5819W, and the model of the DCDC chip U1 is 7805.

[0032] In one embodiment of the invention, Figure 2As shown, the WIFI communication module includes a WIFI module U2. The seventeenth port and the twenty-fourth port of the WIFI module U2 are connected to the digital ground together, the fifth port of the WIFI module U2 is connected to the output end of the power supply module, and the twenty-ninth port of the WIFI module U2 is connected to the signal output end of the counting detection circuit for detecting the working state of the sewing machine, wherein the model of the WIFI module U2 is NodeMCU-8266.

[0033] In one embodiment of the invention, Figure 2 As shown, the counting detection circuit includes a first resistor R1, a second voltage-dividing resistor R2, a third voltage-dividing resistor R3, a fifth capacitor C5, a sixth capacitor C6, a first transistor Q1, and a state input interface X2. The second port of the state input interface X2 is connected to one end of the second voltage-dividing resistor R2, the other end of the second voltage-dividing resistor R2 is connected to one end of the third voltage-dividing resistor R3, one end of the sixth capacitor C6, and the base of the first transistor Q1, the emitter of the first transistor Q1, one end of the first resistor R1, and one end of the fifth capacitor C5 are all connected to the signal input end of the WIFI communication module, the other end of the first resistor R1 is connected to the 3.3V power supply of the WIFI communication module to provide a pull-up high level for the detection circuit, and the fifth capacitor C 5, the collector of the first transistor Q1, the other end of the sixth capacitor C6, the other end of the third voltage-dividing resistor R3, and the first port of the state input interface X2 are all connected to the digital ground, and the emitter of the first transistor Q1 outputs the state detection signal, wherein the capacitance of the fifth capacitor C5 and the sixth capacitor C6 is 100nF, the resistance of the first resistor R1 is 10KΩ, the resistance of the second voltage-dividing resistor R2 is 68KΩ, the resistance of the third resistor R3 is 10KΩ, and the model of the first transistor Q1 is MMBT5401.

[0034] In the embodiment of the present application, during the operation of the sewing machine, the twenty-ninth port of the WIFI module U2 is used to receive the status detection signal of the sewing machine. Under normal conditions, when the sewing machine pedal is not stepped on, the 24V high level of the second port of the status input interface X2 is divided by the second voltage-dividing resistor R2 and the third voltage-dividing resistor R3 to output a 3V high level to the base of the first transistor Q1. At this time, the first transistor Q1 is in a cut-off state, and the twenty-ninth port of the WIFI module U2 is pulled up to a 3.3V high level by the first resistor R1. When the sewing machine pedal is stepped on, the 24V high level of the second port is short-circuited with the digital ground, and is divided by the second voltage-dividing resistor R2 and the third voltage-dividing resistor R3 to output a 0V low level to the base of the first transistor Q1. At this time, the first transistor Q1 is turned on, the emitter and collector of the first transistor Q1 are turned on, and the twenty-ninth port of the WIFI module U2 becomes a 0V low level. Similarly, after the sewing machine pedal is released, the level state of the twenty-ninth port of the WIFI module U2 is restored to a 3V high level. Therefore, when the level state of the twenty-ninth port of the WIFI module U2 changes from a high level of 3V to a low level of 0V, it is counted once, and the WIFI module U2 will record this count number and upload it to the cloud server.

[0035] It should be understood that, although each step in the flow chart of each embodiment of the present invention is shown in sequence according to the indication of the arrow, these steps are not necessarily performed in sequence according to the order indicated by the arrow. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be performed in other orders. Moreover, at least a portion of the steps in each embodiment may include a plurality of sub-steps or a plurality of stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and the execution order of these sub-steps or stages is not necessarily performed in sequence, but can be performed in turn or alternately with at least a portion of other steps or sub-steps or stages of other steps.

[0036] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the program can be stored in a non-volatile computer-readable storage medium. When the program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0037] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

[0039] The above description is only a preferred embodiment of the present invention and is 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 sewing machine automatic counting device based on WIFI wireless network, comprising a power supply module, a WIFI communication module and a counting detection circuit, characterized in that: The power supply module is connected to the WIFI communication module, and the WIFI communication module is connected to the counting detection circuit. The power supply module is used to provide power. The WIFI communication module is used to count the number of times the sewing machine works according to the number of times the status detection signal changes, and send the counted number of times the sewing machine works to the background server via WIFI. The counting detection circuit is used to detect the pedaling working state of the sewing machine and generate a status detection signal.

2. According to the WIFI wireless network based sewing machine automatic counting device according to claim 1, it is characterized in that: The power supply module includes a power input interface X1, a first capacitor C1, a second capacitor C2, a first diode D1, a second diode D2, a DCDC chip U1, a third capacitor C3, and a fourth capacitor C4. The first port of the power input interface X1 is connected to the digital ground, the second port of the power input interface X1 is connected to one end of the first capacitor C1, one end of the second capacitor C2, the cathode of the first diode D1, and the first port of the DCDC chip U1, the third port of the DCDC chip U1 is connected to one end of the third capacitor C3 and the anode of the second diode D2, the cathode of the second diode D2 is connected to one end of the fourth capacitor C4 and the power input end of the WIFI communication module to provide power to the WIFI communication module, and the other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3, the other end of the fourth capacitor C1, the anode of the first diode D1, and the second port of the DCDC chip U1 are all connected to the digital ground.

3. The automatic counting device for sewing machines based on WIFI wireless network according to claim 2 is characterized in that: The WIFI communication module includes a WIFI module U2, the seventeenth port and the twenty-fourth port of the WIFI module U2 are connected to the digital ground together, the fifth port of the WIFI module U2 is connected to the output end of the power supply module, and the twenty-ninth port of the WIFI module U2 is connected to the signal output end of the counting detection circuit for detecting the working status of the sewing machine.

4. The automatic counting device for sewing machines based on WIFI wireless network according to claim 3 is characterized in that: The counting detection circuit includes a first resistor R1, a second voltage-dividing resistor R2, a third voltage-dividing resistor R3, a fifth capacitor C5, a sixth capacitor C6, a first transistor Q1, and a state input interface X2. The second port of the state input interface X2 is connected to one end of the second voltage-dividing resistor R2, the other end of the second voltage-dividing resistor R2 is connected to one end of the third voltage-dividing resistor R3, one end of the sixth capacitor C6, and the base of the first transistor Q1. The emitter of the first transistor Q1, one end of the first resistor R1, and one end of the fifth capacitor C5 are all connected to the signal input end of the WIFI communication module. The other end of the first resistor R1 is connected to the 3.3V power supply of the WIFI communication module to provide a pull-up high level for the detection circuit. The other end of the fifth capacitor C5, the collector of the first transistor Q1, the other end of the sixth capacitor C6, the other end of the third voltage-dividing resistor R3, and the first port of the state input interface X2 are all connected to the digital ground, and the emitter of the first transistor Q1 outputs the state detection signal.

5. The automatic counting device for sewing machines based on WIFI wireless network according to claim 4 is characterized in that: The ratio of the second voltage-dividing resistor R2 to the third voltage-dividing resistor R3 is 6.8:

1.

6. The automatic counting device for sewing machines based on WIFI wireless network according to claim 4 is characterized in that: The resistance of the second voltage-dividing resistor R2 is 68KΩ, and the resistance of the third voltage-dividing resistor R3 is 10KΩ. The second voltage-dividing resistor R2 and the third voltage-dividing resistor R3 are used to reduce the 24V high level of the sewing machine status input interface X2 to a 3V high level recognizable by the WIFI communication module.

7. The automatic counting device for sewing machines based on WIFI wireless network according to claim 6 is characterized in that: The model of the WIF I module U2 is NodeMCU-8266.

8. The automatic counting device for sewing machines based on WIFI wireless network according to claim 7 is characterized in that: The first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, the fifth capacitor C5, and the sixth capacitor C6 are all non-polar capacitors.

9. The automatic counting device for sewing machines based on WIFI wireless network according to claim 8, characterized in that: The operating voltage of the WIFI module U2 is 5V, the first resistor R1 is a pull-up resistor, and the WIFI module U2 provides a 3.3V pull-up voltage for the first resistor R1.

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