TWM665384U - Electric hand tool device capable of reading internal data - Google Patents

Abstract

An electric hand tool device capable of reading internal data comprises an electric hand tool circuit, a microcontroller unit, a battery interface structure and a battery unit. The microcontroller unit comprises a first pin and a second pin, and the battery unit is embedded in the battery interface structure. The microcontroller unit receives a driving power source through the battery interface structure, so that the microcontroller unit executes a true or false battery judgment procedure on the battery unit through the first pin, the second pin and the battery interface structure to judge whether the battery unit is a true battery or a false battery; when the battery unit is judged to be the false battery, the microcontroller unit outputs a plurality of data through the first pin, the second pin, the battery interface structure and the battery unit.

Description

Electric hand tool device capable of reading internal data

The present disclosure relates to a hand tool device, in particular an electric hand tool device capable of reading internal data.

When an electric hand tool is used, it will record multiple data at any time, such as current value, motor speed value, motor temperature value and abnormal status information. Users can read the data through Bluetooth communication, or disassemble the outer casing of the electric hand tool to read the data in a wired manner.

However, in order to read the data through Bluetooth communication, a Bluetooth communication module must be installed in the electric hand tool, which undoubtedly increases the cost of the electric hand tool, and the Bluetooth communication module will also take up space in the electric hand tool; and it is very troublesome to disassemble the outer casing of the electric hand tool.

In summary, the current methods of reading data from electric hand tools are not simple enough.

In order to solve the above problems, the purpose of this disclosure is to provide an electric hand tool device that can read internal data.

To achieve the above-mentioned purpose of the present disclosure, the electric hand tool device capable of reading internal data of the present disclosure comprises: an electric hand tool circuit; a microcontroller unit, the microcontroller unit being electrically connected to the electric hand tool circuit and comprising a first pin and a second pin; a battery interface structure, the battery interface structure being electrically connected to the electric hand tool circuit and the microcontroller unit; and a battery unit, the battery unit being embedded in the battery interface structure and electrically connected to the battery interface structure to electrically read the battery through the battery interface structure Connected to the electric hand tool circuit and the microcontroller unit, wherein the microcontroller unit receives a driving power source through the battery interface structure, so that the microcontroller unit is configured to execute a true or false battery judgment procedure on the battery unit through the first pin, the second pin and the battery interface structure to judge whether the battery unit is a true battery or a false battery; when the battery unit is judged to be the false battery, the microcontroller unit outputs a plurality of data through the first pin, the second pin, the battery interface structure and the battery unit.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the electric hand tool device capable of reading internal data is applied to a computer and a power supply device, wherein the battery unit is the fake battery and comprises an outer shell and a plurality of connection wires disposed in the outer shell; the micro-control unit receives the driving power provided by the power supply device through the battery interface structure and the battery unit; when the battery unit is judged to be the fake battery, the micro-control unit outputs the data to the computer through the first pin, the second pin, the battery interface structure and the battery unit.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the true or false battery judgment procedure sequentially includes: the microcontroller is configured to initialize the first pin and the second pin to serve as a data transmission pin and a data reception pin respectively; the microcontroller is configured to output a connection command signal through the first pin; if a waiting reception time ends and the microcontroller receives a connection command reply signal sent by the computer through the second pin, the battery unit is judged to be the false battery.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the true or false battery judgment procedure sequentially includes: the microcontroller is configured to initialize the first pin and the second pin to serve as a battery temperature coefficient pin and a battery identification code pin respectively; if a waiting reception time is over and the microcontroller detects a first detection signal through the first pin that is greater than or equal to a first preset value and When a second detection signal detected by the microcontroller unit through the second pin is greater than or equal to a second preset value, the battery cell is judged to be the fake battery, and then the microcontroller unit is configured to deinitialize the first pin and the second pin that serve as the battery temperature coefficient pin and the battery identification code pin, respectively, and the microcontroller unit is configured to initialize the first pin and the second pin to serve as a data transmission pin and a data receiving pin, respectively.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the battery unit is the real battery and includes a plurality of battery cells; the microcontroller receives the driving power provided by the battery unit through the battery interface structure; when the battery unit is judged to be the real battery, the microcontroller receives a battery temperature coefficient signal and a battery identification code signal transmitted by the battery unit through the first pin, the second pin and the battery interface structure.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the true or false battery judgment procedure sequentially includes: the microcontroller is configured to initialize the first pin and the second pin to serve as a data transmission pin and a data receiving pin respectively; the microcontroller is configured to output a connection command signal through the first pin; if a waiting time for receiving is over and the microcontroller is If the control unit does not receive a connection command reply signal through the second pin, the battery unit is judged to be the real battery, and then the micro-control unit is configured to deinitialize the first pin and the second pin which are respectively used as the data transmission pin and the data receiving pin, and the micro-control unit is configured to initialize the first pin and the second pin to respectively serve as a battery temperature coefficient pin and a battery identification code pin.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the true or false battery judgment procedure sequentially includes: the microcontroller unit is configured to initialize the first pin and the second pin to serve as a battery temperature coefficient pin and a battery identification code pin respectively; if a waiting reception time is over and a first detection signal detected by the microcontroller unit through the first pin is less than a first preset value or a second detection signal detected by the microcontroller unit through the second pin is less than a second preset value, the battery unit is judged to be the true battery.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the microcontroller unit further includes a memory unit to store the data.

Furthermore, in a specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the electric hand tool circuit includes: a plurality of transistor switches, the transistor switches are electrically connected to the microcontroller unit and the battery interface structure; a motor, the motor is electrically connected to the transistor switches; and a motor current detector, the motor current detector is electrically connected to the microcontroller unit and the transistor switches, wherein the motor current detector includes: an operational amplifier, the operational amplifier is electrically connected to the microcontroller unit and the transistor switches; and a resistor, the resistor is electrically connected to the transistor switches and the operational amplifier.

Furthermore, in one specific embodiment of the electric hand tool device capable of reading internal data disclosed above, the memory unit is an electronically erasable programmable read-only memory.

The purpose of this disclosure is to easily read the data in the electric hand tool.

In order to further understand the technology, method and effect of the present disclosure and achieve the intended purpose of the present disclosure, please refer to the following detailed description and drawings; in addition, the purpose, characteristics and features of the present disclosure can be understood more deeply and specifically; however, the drawings are provided for reference and description only and are not intended to limit the scope of the present disclosure.

10: Electric hand tool device capable of reading internal data

20: Computer

30: Power supply device

102: Electric hand tool circuit

104: Microcontroller unit

106:Memory unit

108: First leg

110: Second pin

112: Battery interface structure

114:Battery unit

116: Data

118:Drive power

120: Connection command signal

122: Connection command reply signal

124: First detection signal

126: Second detection signal

128: Battery temperature coefficient signal

130: Battery identification code signal

132:Battery core

134: Shell

136:Connection line

138: Transistor switch

140: Motor

142: Motor current detector

144: Operational amplifier

146:Resistance

S501: Step

S502: Step

S503: Step

S504: Step

S505: Step

S506: Step

S507: Step

S508: Step

S601: Step

S602: Step

S603: Step

S604: Step

S605: Step

S606: Step

S607: Step

FIG1 is a circuit diagram of an electric hand tool device capable of reading internal data according to the first embodiment of the present disclosure.

FIG2 is a circuit diagram of an electric hand tool device capable of reading internal data according to the second embodiment of the present disclosure.

FIG3 is a circuit diagram of an electric hand tool device capable of reading internal data according to the third embodiment of the present disclosure.

FIG4 is a circuit diagram of an electric hand tool device capable of reading internal data according to the fourth embodiment of the present disclosure.

Figure 5 is a flow chart of the first process of judging genuine or fake batteries according to the present disclosure.

Figure 6 is a flow chart of the second process for judging genuine or fake batteries according to the present disclosure.

FIG7 is a schematic diagram of an electric hand tool device capable of reading internal data according to the present disclosure connected to a computer and a power supply device.

In this disclosure, many specific details are provided to provide a comprehensive understanding of the embodiments of the disclosure; however, those skilled in the art will appreciate that the disclosure can be practiced without one or more of these specific details; in other cases, well-known details are not shown or described to avoid obscuring the features of the disclosure. The technical content and detailed description of the disclosure are as follows, and are illustrated with attached figures.

Please refer to FIG. 1, which is a circuit diagram of an electric hand tool device 10 capable of reading internal data according to the first embodiment of the present disclosure. The electric hand tool device 10 capable of reading internal data includes an electric hand tool circuit 102, a microcontroller unit 104, a battery interface structure 112 and a battery unit 114. The microcontroller unit 104 includes a memory unit 106, a first pin 108 and a second pin 110. The electric hand tool circuit 102 includes a plurality of transistor switches 138, a motor 140 and a The motor current detector 142 includes an operational amplifier 144 and a resistor 146. The above-mentioned components are electrically connected to each other, and the battery unit 114 is embedded in the battery interface structure 112 and electrically connected to the battery interface structure 112 to be electrically connected to the electric hand tool circuit 102 and the micro control unit 104 through the battery interface structure 112.

The microcontroller 104 is the control body of the electric hand tool device 10 that can read internal data, and has functions such as analog-to-digital conversion, input-output detection, communication transmission, pulse width modulation signal output, etc. The memory unit 106 can also be disposed outside the microcontroller 104; the memory unit 106 can be, for example, but the present disclosure is not limited to, an electrically erasable programmable read only memory (commonly referred to as EEPROM). The transistor switch 138 can be, for example, but the present disclosure is not limited to, a metal oxide semiconductor field effect transistor. The electric hand tool device 10 capable of reading internal data may further include a potentiometer (a type of variable resistor) not shown in FIG. 1 and other known components of electric hand tools.

When the user wants to read the multiple data 116 (such as current values, motor speed values, motor temperature values and abnormal status information) stored in the memory unit 106, the user can set the electric hand tool device 10 that can read internal data to the state shown in Figure 1; that is, the electric hand tool device 10 that can read internal data shown in Figure 1 is applied to a computer 20 and a power supply device 30, and the battery unit 114 is a fake battery and includes a shell 134, a plurality of connecting wires 136 arranged in the shell 134, and a plurality of exposed contacts (not shown in Figure 1) arranged on the shell 134 for connecting the connecting wires 136. The microcontroller 104 receives a driving power 118 provided by the power supply device 30 through the battery interface structure 112 and the battery cell 114, so that the microcontroller 104 is configured to execute a first true or false battery judgment procedure on the battery cell 114 through the first pin 108, the second pin 110 and the battery interface structure 112 to judge whether the battery cell 114 is a true battery or the false battery. The electric hand tool device 10 capable of reading internal data is connected to the computer 20 through a universal serial bus interface (not shown in FIG. 1 ). Please refer to FIG. 7, which is a schematic diagram of the electric hand tool device 10 capable of reading internal data connected to the computer 20 and the power supply device 30 according to the present disclosure.

Please refer to Figure 5, which is a flow chart of the first true and false battery judgment procedure according to the present disclosure; and please refer to Figure 1 at the same time. The first true and false battery judgment procedure mentioned above includes the following steps in sequence:

Step S501: The microcontroller unit 104 is configured to initialize the first pin 108 and the second pin 110 to serve as a data transmission pin and a data receiving pin respectively (also referred to as battery interface universal asynchronous receiver transmitter (UART) initialization). Then, the first true or false battery determination procedure enters step S502.

Step S502: The microcontroller unit 104 is configured to output a connection command signal 120 through the first pin 108. Then, the first true or false battery determination procedure enters step S503.

Step S503: The microcontroller unit 104 waits for a waiting reception time (e.g., 100 milliseconds). Then, the first true or false battery judgment procedure enters step S504.

Step S504: The microcontroller unit 104 determines whether a connection command reply signal 122 sent by the computer 20 is received through the second pin 110. If yes, the first true or false battery determination procedure enters step S505.

Step S505: The micro-control unit 104 determines that the battery unit 114 is the fake battery.

After the battery cell 114 is determined to be the fake battery, the microcontroller unit 104 outputs the data 116 stored in the memory unit 106 to the computer 20 through the first pin 108, the second pin 110, the battery interface structure 112 and the connection lines 136 of the battery cell 114; thereby, the user can read the data 116 through the computer 20.

In addition to the first true and false battery judgment procedure, the present disclosure also provides a second true and false battery judgment procedure; please refer to FIG. 6, which is a flow chart of the second true and false battery judgment procedure according to the present disclosure; and please refer to FIG. 2 at the same time, which is a circuit diagram of the electric hand tool device 10 capable of reading internal data according to the second embodiment of the present disclosure; the components shown in FIG. 2 are the same as those shown in FIG. 1, and for the sake of simplicity, their description will not be repeated here.

The second process of judging whether the battery is genuine or fake includes the following steps:

Step S601: The microcontroller unit 104 is configured to initialize the first pin 108 and the second pin 110 to serve as a battery temperature coefficient pin and a battery identification code pin, respectively. Then, the second true or false battery determination procedure enters step S602.

Step S602: The microcontroller unit 104 waits for a waiting time (e.g., 100 milliseconds). Then, the second true or false battery determination procedure enters step S603.

Step S603: The microcontroller unit 104 determines whether a first detection signal 124 detected through the first pin 108 is greater than or equal to a first preset value (e.g., 4050), and whether a second detection signal 126 detected through the second pin 110 is greater than or equal to a second preset value (e.g., 4050). If yes, the second true or false battery determination procedure enters step S604. The first detection signal 124 is a signal related to the battery temperature, and the second detection signal 126 is a signal related to the battery identification code.

Step S604: The micro-control unit 104 determines that the battery unit 114 is the fake battery. Then, the second true or false battery determination procedure enters step S605.

Step S605: The microcontroller unit 104 is configured to deinitialize the first pin 108 and the second pin 110 which are the battery temperature coefficient pin and the battery identification code pin, respectively. Then, the second true or false battery determination procedure enters step S606.

Step S606: The microcontroller unit 104 is configured to initialize the first pin 108 and the second pin 110 to serve as a data transmission pin and a data reception pin respectively (also referred to as battery interface UART initialization).

Then, the microcontroller unit 104 outputs the data 116 stored in the memory unit 106 to the computer 20 through the first pin 108, the second pin 110, the battery interface structure 112 and the connection lines 136 of the battery unit 114; thereby, the user can read the data 116 through the computer 20.

If the user does not want to read the data 116, the user can set the electric hand tool device 10 that can read internal data to the state shown in Figure 3 or Figure 4 to use the electric hand tool device 10 that can read internal data normally; that is, please refer to Figure 3, which is a circuit diagram of the electric hand tool device 10 that can read internal data according to the third embodiment of the present disclosure; the components shown in Figure 3 are the same as the components shown in Figure 1, and for the sake of simplicity, their description will not be repeated here. As shown in FIG3 , the battery cell 114 is the real battery and includes a plurality of battery cells 132; the microcontroller unit 104 receives a driving power source 118 provided by the battery cell 114 through the battery interface structure 112, so that the microcontroller unit 104 is configured to execute the first real or fake battery judgment procedure (as shown in FIG5 ) on the battery cell 114 through the first pin 108, the second pin 110 and the battery interface structure 112 to judge whether the battery cell 114 is the real battery or the fake battery.

Please refer to step S504 in Figure 5 again. If the micro control unit 104 determines that the connection command reply signal 122 sent by the computer 20 is not received through the second pin 110, the first true or false battery judgment procedure enters the following step S506.

Step S506: The micro-control unit 104 determines that the battery unit 114 is the real battery. Then, the first real or fake battery determination procedure enters the following step S507.

Step S507: The microcontroller unit 104 is configured to deinitialize the first pin 108 and the second pin 110 which serve as the data transmission pin and the data reception pin respectively (also referred to as battery interface UART deinitialization). Then, the first true or false battery determination procedure enters the following step S508.

Step S508: The microcontroller unit 104 is configured to initialize the first pin 108 and the second pin 110 to serve as a battery temperature coefficient pin and a battery identification code pin, respectively.

Then, the user can use the electric hand tool device 10 that can read internal data normally, and the micro-control unit 104 receives a battery temperature coefficient signal 128 and a battery identification code signal 130 transmitted by the battery unit 114 through the first pin 108, the second pin 110 and the battery interface structure 112, so as to know the temperature and identification code of the real battery.

Please refer to FIG. 4, which is a circuit diagram of an electric hand tool device 10 capable of reading internal data according to the fourth embodiment of the present disclosure; the components shown in FIG. 4 are the same as those shown in FIG. 3, and for the sake of simplicity, their description will not be repeated here. Please refer to step S603 of FIG. 6 again, the micro-control unit 104 determines that the first detection signal 124 detected through the first pin 108 is less than the first preset value or the second detection signal 126 detected through the second pin 110 is less than the second preset value, then the second true and false battery determination procedure enters the following step S607.

Step S607: The battery cell 114 is determined to be the real battery. Then, the user can use the electric hand tool device 10 that can read internal data normally, and the micro control unit 104 receives a battery temperature coefficient signal 128 and a battery identification code signal 130 transmitted by the battery cell 114 through the first pin 108, the second pin 110 and the battery interface structure 112, so as to know the temperature and identification code of the real battery.

The utility of the present disclosure is to easily read the data in the electric hand tool. The present disclosure does not require the installation of a Bluetooth communication module in the electric hand tool, nor does it require the removal of the outer shell of the electric hand tool. The data 116 can be read using the dummy battery, the computer 20 and the power supply device 30. When the electric hand tool device 10 capable of reading internal data is connected to the dummy battery, the microcontroller unit 104 uses the internal TX/RX function through the first pin 108 and the second pin 110 to output the data 116 to the computer 20, wherein TX is a data transmission pin for communication, and RX is a data reception pin for communication, and TX/RX is a transmission and reception function for UART communication. When the electric hand tool device 10 capable of reading internal data is connected to the real battery, the microcontroller unit 104 uses the internal analog-to-digital function through the first pin 108 and the second pin 110 to detect the battery temperature and identify the battery type.

Although the present disclosure has been described with reference to the embodiments of the present disclosure, it should be understood that the present disclosure is not limited to the details thereof; various substitutions and modifications have been proposed in the foregoing description, and other substitutions and modifications will occur to those of ordinary skill in the art; therefore, all such substitutions and modifications are intended to be included within the scope of the present disclosure.

10: Electric hand tool device capable of reading internal data

20: Computer

30: Power supply device

102: Electric hand tool circuit

104: Microcontroller unit

106:Memory unit

108: First leg

110: Second pin

112: Battery interface structure

114:Battery unit

116: Data

118:Drive power

120: Connection command signal

122: Connection command reply signal

134: Shell

136:Connection cable

138: Transistor switch

140: Motor

142: Motor current detector

144: Operational amplifier

146:Resistance

Claims (10)

An electric hand tool device capable of reading internal data comprises: an electric hand tool circuit; a microcontroller unit, the microcontroller unit being electrically connected to the electric hand tool circuit and comprising a first pin and a second pin; a battery interface structure, the battery interface structure being electrically connected to the electric hand tool circuit and the microcontroller unit; and a battery unit, the battery unit being embedded in the battery interface structure and electrically connected to the battery interface structure so as to be electrically connected to the electric hand tool through the battery interface structure. The tool circuit and the microcontrol unit, wherein the microcontrol unit receives a driving power source through the battery interface structure, so that the microcontrol unit is configured to execute a true or false battery judgment procedure on the battery cell through the first pin, the second pin and the battery interface structure to judge whether the battery cell is a true battery or a false battery; when the battery cell is judged to be the false battery, the microcontrol unit outputs a plurality of data through the first pin, the second pin, the battery interface structure and the battery cell. The electric hand tool device capable of reading internal data as described in claim 1 is applied to a computer and a power supply device, wherein the battery unit is the fake battery and comprises an outer shell and a plurality of connection wires disposed in the outer shell; the microcontroller receives the driving power provided by the power supply device through the battery interface structure and the battery unit; when the battery unit is judged to be the fake battery, the microcontroller outputs the data to the computer through the first pin, the second pin, the battery interface structure and the battery unit. The electric hand tool device capable of reading internal data as described in claim 2, wherein the true or false battery judgment procedure sequentially includes: the microcontroller is configured to initialize the first pin and the second pin to serve as a data transmission pin and a data reception pin respectively; the microcontroller is configured to output a connection command signal through the first pin; if a waiting reception time ends and the microcontroller receives a connection command reply signal sent by the computer through the second pin, the battery unit is judged to be the false battery. The electric hand tool device capable of reading internal data as described in claim 2, wherein the true or false battery judgment procedure sequentially comprises: the microcontroller is configured to initialize the first pin and the second pin to serve as a battery temperature coefficient pin and a battery identification code pin respectively; if a waiting reception time is over and a first detection signal detected by the microcontroller through the first pin is greater than or equal to a first preset value and the microcontroller When a second detection signal detected by the second pin is greater than or equal to a second preset value, the battery cell is judged to be the fake battery, and then the micro-control unit is configured to deinitialize the first pin and the second pin that serve as the battery temperature coefficient pin and the battery identification code pin, respectively, and the micro-control unit is configured to initialize the first pin and the second pin to serve as a data transmission pin and a data receiving pin, respectively. The electric hand tool device capable of reading internal data as described in claim 1, wherein the battery unit is the real battery and comprises a plurality of battery cells; the microcontroller receives the driving power provided by the battery unit through the battery interface structure; when the battery unit is judged to be the real battery, the microcontroller receives a battery temperature coefficient signal and a battery identification code signal transmitted by the battery unit through the first pin, the second pin and the battery interface structure. The electric hand tool device capable of reading internal data as described in claim 5, wherein the true or false battery judgment procedure sequentially comprises: the microcontroller is configured to initialize the first pin and the second pin to serve as a data transmission pin and a data reception pin respectively; the microcontroller is configured to output a connection command signal through the first pin; if a waiting reception time is over and the microcontroller outputs a connection command signal through the first pin, the microcontroller outputs a connection command signal through the first pin; If the second pin does not receive a connection command reply signal, the battery unit is judged to be the real battery, and then the micro-control unit is configured to deinitialize the first pin and the second pin that serve as the data transmission pin and the data reception pin, respectively, and the micro-control unit is configured to initialize the first pin and the second pin to serve as a battery temperature coefficient pin and a battery identification code pin, respectively. The electric hand tool device capable of reading internal data as described in claim 5, wherein the true or false battery judgment procedure sequentially includes: the microcontroller unit is configured to initialize the first pin and the second pin to serve as a battery temperature coefficient pin and a battery identification code pin respectively; if a waiting reception time is over and a first detection signal detected by the microcontroller unit through the first pin is less than a first preset value or a second detection signal detected by the microcontroller unit through the second pin is less than a second preset value, the battery unit is judged to be the true battery. An electric hand tool device capable of reading internal data as described in claim 1, wherein the microcontroller unit further includes a memory unit to store the data. An electric hand tool device capable of reading internal data as described in claim 8, wherein the electric hand tool circuit comprises: a plurality of transistor switches electrically connected to the microcontroller unit and the battery interface structure; a motor electrically connected to the transistor switches; and a motor current detector electrically connected to the microcontroller unit and the transistor switches, wherein the motor current detector comprises: an operational amplifier electrically connected to the microcontroller unit and the transistor switches; and a resistor electrically connected to the transistor switches and the operational amplifier. An electric hand tool device capable of reading internal data as described in claim 9, wherein the memory unit is an electronically erasable programmable read-only memory.

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