EP1559511A2 - Système et méthode pour communiquer des données concernant un outil à courant continu sans fil par le biais de sa station de rechargement - Google Patents

Système et méthode pour communiquer des données concernant un outil à courant continu sans fil par le biais de sa station de rechargement Download PDF

Info

Publication number
EP1559511A2
EP1559511A2 EP05000887A EP05000887A EP1559511A2 EP 1559511 A2 EP1559511 A2 EP 1559511A2 EP 05000887 A EP05000887 A EP 05000887A EP 05000887 A EP05000887 A EP 05000887A EP 1559511 A2 EP1559511 A2 EP 1559511A2
Authority
EP
European Patent Office
Prior art keywords
tool
voltage
data
host device
battery pack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05000887A
Other languages
German (de)
English (en)
Other versions
EP1559511A3 (fr
Inventor
Daniele C. Brotto
Michael K Forster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/812,521 external-priority patent/US6913087B1/en
Application filed by Black and Decker Inc filed Critical Black and Decker Inc
Publication of EP1559511A2 publication Critical patent/EP1559511A2/fr
Publication of EP1559511A3 publication Critical patent/EP1559511A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Definitions

  • the present invention relates to cordless power tools. More specifically, the invention relates to communicating information between the power tool and a data transfer device via the power terminals of the tool.
  • the power terminals are the same power terminals used for connecting to a tool power supply, i.e. a portable battery pack, during operation of the tool.
  • cordless power tools are becoming more common place in homes and on commercial construction job sites.
  • the evolution of cordless power tools has resulted in a large variety of power tools being manufactured in cordless versions.
  • power tools such as nailers, drills, screwdrivers, circular saws, reciprocating saws, scroll saws and sanders are now commonly manufactured in a cordless version.
  • electronic components such as microcontrollers and memory modules, are sufficiently small such that they can be easily mounted within the housings of many cordless power tools.
  • Some known power tools incorporate such electronic components to collect and store data relating to tool usage and other pertinent information concerning the operation of the tool. Additionally, such electronic components are utilized to store algorithms and programs used to control the operation of the tool.
  • the present invention is directed to a system and method for communicating information and data over power terminals of a cordless power tool.
  • a method in one preferred implementation, includes connecting a host device to at least one power terminal of the tool.
  • the power terminal is also used for connecting a power supply to the tool during operation of the tool.
  • the method additionally includes varying a voltage supplied by the host device to the tool between a first level and a second level to transmit data from the tool to the host device.
  • the method further includes shifting a voltage signal to a microcontroller of the tool between a first voltage and a second voltage to transmit data from the host device to the tool.
  • a system in another preferred embodiment, includes a host device adapted to connect to at least one power terminal of the tool, wherein the power terminal also connects to a tool power supply during operation of the tool.
  • the system additionally includes a first communications circuit included in the tool.
  • the first communications circuit is adapted to vary a voltage supplied by the host device to the tool between a first level and a second level to thereby transmit data from the tool to the host device.
  • the system further includes a second communications circuit included in the host device.
  • the second communications circuit is adapted to shift a voltage signal to a microcontroller of the tool between a first level and a second level to thereby transmit data from the host device to the tool.
  • FIG 1 is a simplified block diagram of a system 10 for communicating data to and/or from a cordless power tool 14, in accordance with a preferred embodiment of the present invention.
  • the cordless tool 14 is shown in Figure 1 as a cordless drill
  • the power tool 14 can be any cordless tool such as a nailer, drill, screwdriver, circular saw, reciprocating saw, scroll saw or sander, etc.
  • the system 10 includes a data transfer device 18, also referred to as a host device that is adapted to connect to power terminals 22a and 22b of the power tool 14 to communicate with the power tool 14 when power tool 14 is in a communications mode.
  • the power terminals 22a and 22b are also used for connecting a tool power supply, such as a removable, portable battery pack, to the tool 14 to provide power to operate a motor 24 of the tool 14 during an operation mode.
  • a tool power supply such as a removable, portable battery pack
  • the data transfer device 18 is substantially similarly shaped to the power supply, e.g. the removable, portable battery pack, such that the data transfer device 18 is connected to the power tool 14 in the same manner as the power supply.
  • the data transfer device 18 is shaped substantially similar to a removable, portable battery pack that has been removed from a battery pack receptacle 19 of the power tool 14. Therefore, the data transfer device 18 is connected to the power tool 14 in the same manner as the battery pack is connected to the power tool 14 when the power tool 14 is in an operation mode.
  • the data transfer device 18 is quickly and easily interchangeable with the battery pack.
  • the data transfer device 18 is a removable, portable battery pack that includes a communications circuit described below.
  • a data transfer device 18' includes a computer based device 18a, such as a laptop or hand held computer, and a connector 18b.
  • the computer based device 18a is communicatively linked to the connector 18b and includes a communications circuit described below.
  • the connector 18b can be communicatively linked to the computer based device 18a via a suitable interface cable 18c or even by a wireless connection.
  • the connector 18b is shaped similar to the removable, portable battery pack that has been removed from the power tool 14.
  • the data transfer device 18 is connected to the power tool 14 by inserting the connector 18b into the power tool 14 in the same manner as the battery pack.
  • the data transfer device 18' accomplishes the interfacing with the tool 14 with the connector 18b and interface cable 18c functioning essentially just as the interfacing components of the device 18 shown in Figure 1.
  • the data transfer device 18' accomplishes the interfacing with the tool 14 with the connector 18b and interface cable 18c functioning essentially just as the interfacing components of the device 18 shown in Figure 1.
  • the system 10 includes a first communications circuit 26 that is housed inside the power tool 14.
  • the first communications circuit 26 is adapted to communicate with a second communications circuit 30 included in the data transfer device 18, via the power terminals 22a and 22b of the power tool 14.
  • power terminal 22a serves a dual purpose.
  • Power terminal 22a is utilized to provide power to the power tool 14 and the first communications circuit 26, and utilized to transmit data between the first and second communications circuits 26 and 30.
  • the system 10 is adapted to provide bi-directional communication between the first communications circuit 26 and the second communications circuit 30.
  • data and information such as operational parameters and tool operation history information
  • data and information can be downloaded, i.e. transmitted, from the first communications circuit 26 to the second communications circuit 30.
  • data and information such as algorithms, programs, algorithm and/or program coefficients and operational parameters can be uploaded, i.e. transmitted, from the second communications circuit 30 to the first communications circuit 26.
  • the system 10 can be configured to provide only unidirectional communication between the first communications circuit 26 and the second communications circuit 30.
  • system 10 is adapted to only transmit data and information from the first communications circuit 26 to the second communications circuit 30.
  • system 10 is only adapted to transmit data and information from the second communications circuit 30 to the first communications circuit 26.
  • FIG 2 is a simplified block diagram of the first and second communications circuits 26 and 30, shown in Figure 1.
  • the first communications circuit 26 includes a microcontroller 34 that controls the communications between the data transfer device 18 and the power tool 14. More specifically, the microcontroller 34 works in conjunction with a controller, preferably a microprocessor 36, included in the second communications circuit 30, to control communications between the first and second communications circuits 26 and 30.
  • the microprocessor 36 could be a device external to the second communications circuit 30, for example a laptop or handheld computer.
  • the first communications circuit 26 includes at least one voltage regulator 38 and a voltage shift detection circuit 42.
  • the voltage regulator 38 maintains a voltage output supplied to the microcontroller 34 at a level suitable to enable operation of the microcontroller 34.
  • the first communications circuit 26 further includes a first resistor R1 connected between an output of the voltage regulator 38 and a port 34a of the microcontroller 34. The impedance at the port 34a is defaulted high such that current will not flow through the first resistor R1 unless the microcontroller 34 pulls the signal at port 34a low. When the signal at 34a is low, current will flow through the first resistor R1.
  • R1 can be replaced with any electrical component suitable to control the flow of current in first communication circuit 26 in accordance with the impedance level of the port 34a.
  • R1 could be replaced with a LED, an inductor or a transistor. Therefore, although the operation of the first communications circuit 26 will be described in terms using the first resistor R1, it should be understood that the first resistor R1 can be replaced with any other electrical component suitable to allow the microcontroller 34 to control the level of current flowing through connector 22a by switching the impedance at port 34a and remain within the scope of the invention.
  • the microcontroller 34 includes an electronic memory 46 suitable for storing information, data and programming relating to all operational aspects of the power tool 14.
  • the microcontroller memory 46 can store data to be transmitted to the second communications circuit 30.
  • data transmitted from the second communications circuit 30 can be stored in the microcontroller memory 46.
  • the first communications circuit 26 includes a memory device 50 that is external to the microcontroller 34.
  • the memory device 50 is utilized by the system 10 in substantially the same manner as microcontroller memory 46.
  • the microcontroller 34 controls operation of the tool 14 in addition to controlling communications between the first and second communications circuits 26 and 30.
  • the second communications circuit 30 includes a circuit power source 54, such as a battery, and a voltage shifting device, or circuit, 58.
  • the power source 54 is internal to the data transfer device 18 such that no power source external to the data transfer device 18 is needed for operation of the system 10.
  • the power source 54 could be external to the data transfer device 18 and remain within the scope of the invention.
  • the data transfer device 18 is a removable, portable battery pack that includes the second communications circuit 30, the battery pack itself is the power source 54.
  • the voltage shifting device 58 regulates the voltage supplied by the circuit power source 54. Additionally, the voltage shifting device 58 is adapted to shift the regulated voltage between a first voltage level and a second voltage level. The voltage shifting device 58 is controlled by the microprocessor 36.
  • the microprocessor 36 controls the voltage shifting device 58 such that the output voltage of the voltage shifting device 58 is substantially constant when the first communications circuit 26 is transmitting data to the second communications circuit 30.
  • the microprocessor 36 further controls the voltage shifting device 58 such that the output voltage of the voltage shifting device 58 is varied between the first voltage level and the second voltage level when the second communications circuit 30 is transmitting data to the first communications circuit 26.
  • the voltage shifting device 58 preferably includes two voltage regulators and a voltage switching device such as, for example, a triac, a field effect transistor (FET), an insulated gate bipolar transistor (IGBT) or a silicone-controlled rectifier (SCR).
  • a voltage switching device such as, for example, a triac, a field effect transistor (FET), an insulated gate bipolar transistor (IGBT) or a silicone-controlled rectifier (SCR).
  • FET field effect transistor
  • IGBT insulated gate bipolar transistor
  • SCR silicone-controlled rectifier
  • the voltage shifting device 58 can be any device suitable for outputting a voltage that is shifted between two voltage levels.
  • the voltage output by the voltage shifting device 58 can be regulated or unregulated.
  • the second communications circuit 30 additionally includes a second resistor R2, a data reader 66 and a differential circuit 70, for example a differential amplifier.
  • the data reader 66 is external to the microprocessor 36, as shown in Figure 2.
  • the data reader 66 is incorporated with, i.e. internal to, the microprocessor 36.
  • the differential circuit 70 can be any circuit or device suitable to produce an output signal representative of a voltage across the second resistor R2 and output a digital signal to the data reader 66. More specifically, the differential circuit 70 outputs a signal that varies in accordance with voltage changes across the second resistor R2.
  • the differential circuit 70 can be an operational amplifier, a differential comparator or a signal conditioning device.
  • the output of differential circuit 70 is preferably a digital output, but can also be an analog signal and remain within the scope of the invention.
  • the data reader 66 is external to the second communications circuit 30.
  • the data reader 66 could be a laptop computer or hand held computer connected to the output of the differential circuit 70.
  • the tool power supply e.g. a portable battery pack
  • the data transfer device 18 is then connected to the tool 14 at the power terminals 22a and 22b.
  • the data transfer device 18, or alternatively the connector 18b linked to the data transfer device 18 is shaped similar to the tool power supply removed from the tool 14 so that it can be readily coupled to the battery pack receptacle 19.
  • the data transfer device 18, or alternatively the connector 18b is inserted into the receptacle 19 of the tool 14 and connected to the power terminals 22a and 22b in the same manner as the tool power supply.
  • the circuit power source 54 provides power to the first communications circuit 26.
  • the voltage shifting device 58 and the second resistor R2 control the voltage output from the second communications circuit 30 to the first communications circuit 26. Accordingly, the current output from the second communications circuit 30 will be affected in accordance with changes in the voltage output, as controlled by the voltage shifting device 58 and the second resistor R2. Alternatively, the current output from the second communications circuit 30 could be controlled to thereby affect a change in voltage output by the second communications circuit 30.
  • the voltage shifting device 58 and the second resistor R2 control the voltage and/or current such that power provided by the second communications circuit 30 is sufficient to enable operation of the microcontroller 34. Additionally, the voltage regulator 38 regulates the voltage supplied to the microcontroller 34.
  • the power provided by the second communications circuit 30 is sufficient to enable operation of the microcontroller 34, but insufficient to drive the motor 24. Therefore, the motor 24 will not operate when the tool 14 is in the communications mode with the data transfer device 18 coupled to the tool 14.
  • the second communications circuit 30 can provide sufficient power to power both the microcontroller 34 and the motor 24.
  • the microcontroller 34 is programmed to suspend data transmission if the tool 14 is activated while in the communications mode.
  • the microcontroller 34 can either transmit data to the data reader 66, receive data transmitted by the second communications circuit 30 or both.
  • the system 10 is adapted for bi-directional communication.
  • the second communications circuit 30 queries the microcontroller 34 for data.
  • the microcontroller 34 then begins to sequentially pulse the port 34a between a high impedance and a low impedance in a predetermined data communications pattern.
  • the pulsing pattern of the port 34a may have a serial ASCII data form pulsed at a specific baud rate.
  • the pulsing pattern comprises data to be transmitted from the microcontroller 34 to the data reader 66.
  • the sequential pulsing of the port 34a causes a voltage across the first resistor R1 to shift between a first voltage and a second voltage in the same sequential pattern. For example, the voltage across the first resistor R1 shifts between 0 volts and 5 volts in the same sequential pattern as the port 34a is pulsed.
  • the shifting of the voltage across the first resistor R1 causes the current flowing from the second communications circuit 30 to the first communications circuit 26 to shift between a first level and a second level. Accordingly, the shifting current from the second communications circuit 30 to the first communications circuit 26 causes the voltage supplied by the second communications circuit 30 to the first communications circuit 26 to vary between a first level and a second level.
  • the current drawn from the voltage shifting device 58 and flowing through the second resistor R2 will shift between the first level and the second level in the same sequential pattern as the pulsing of the port 34a.
  • the changing current flowing through the second resistor R2 in turn causes the voltage across the second resistor R2 to sequentially alternate between a first voltage and a second voltage.
  • the sequentially alternating voltage across the second resistor R2 will also have the same sequential pattern as the pulsing of the port 34a.
  • the differential circuit 70 resolves the varying voltage across the second resistor R2 into digital signals that correlate to the switching of the voltage across the second resistor R2 between the first and second voltage levels.
  • the digital signals are representative of the data being transmitted by the microcontroller 34.
  • the differential circuit 70 outputs a digital signal that corresponds to the first voltage across the second resistor R2, e.g a digital low signal.
  • the port 34a is pulled to low impedance, current will flow through the first resistor R1 that results in a change in the current flowing through the second resistor R2. Accordingly, the current through the second resistor R2 causes the voltage across the second resistor R2 to change to the second voltage.
  • the differential circuit 70 senses the change in voltage drop across the second resistor R2 and outputs a signal corresponding to the second voltage, e.g. a digital high level signal. Therefore, as the voltage across the second resistor R2 is sequentially alternated between the first and second voltages, in accordance with the sequential switching of impedance at the port 34a, the output signal of the differential circuit 70 sequentially switches between digital high and low signals.
  • the digital output of the differential circuit 70 represents a serial stream of data being transferred from the tool 14 to the data transfer device 18.
  • the digital signals from the differential circuit 70 are then input to the data reader 66.
  • the data reader 66 interprets the digital signals as a serial data stream and stores the data in a memory device 74.
  • the memory device 74 is included in the data reader 66.
  • the memory device 74 can be external to data reader 66.
  • the data reader 66 is an external computer device, such as a laptop, the external computer device will preferably include memory for storing the data transmitted from the microcontroller 34.
  • the second communications circuit 30 signals the microcontroller 34 that data is to be transmitted from the second communications circuit 30 to the microcontroller 34.
  • the microprocessor 36 then commands the voltage shifting device 58 to sequentially shift the voltage output by the voltage shifting device 58 between a first voltage level and a second voltage level in accordance with a predetermined data transmission pattern, thereby representing the data to be transmitted.
  • the first and second voltage output levels of the voltage shifting device 58 will be respectively referred to herein to as V1 and V2.
  • the voltage shifting pattern may comprise a serial ASCII data form shifted at a specific baud rate or any other data transfer format.
  • the shifting voltage output by the voltage shifting device 58 drives the voltage regulator 38 to provide power to the microcontroller 34.
  • the voltage regulator 38 has the ability to accept a range of input voltages.
  • the microcontroller 34 is fully enabled when the output voltage of the voltage shifting device 58 is at V1 or V2, or between V1 and V2.
  • the first output voltage V1 is sufficient to power-up, i.e. enable, the microcontroller 34 but insufficient to enable operation of the motor 24.
  • the second output voltage V2 is sufficient to power-up the microcontroller 34 but insufficient to enable operation of the motor 24.
  • the sequentially shifting voltage output by the voltage shifting device 58 is also input to the voltage shift detection circuit 42.
  • the voltage shift detection circuit 42 in turn outputs a voltage signal that is shifted between a first level and a second level.
  • the shifted voltage signal output by the voltage shift detection circuit 42 tracks the shifting pattern of the voltage output by the voltage shifting device 58.
  • the voltage signal output from the voltage shift detection circuit 42 can be either digital or analog and is input to the microcontroller 34 at a port 34b.
  • the microcontroller 34 interprets the sequentially shifted signal as a serial data stream and takes an appropriate action. For example, microcontroller 34 may store the data in the memory device 46, or the microcontroller may perform some action commanded by the data.
  • the voltage shift detection circuit 42 can be any circuit suitable to modulate the output voltage of the voltage shifting device 58 to levels suitable for input to the microcontroller 34.
  • the voltage shift detection circuit 42 comprises a resistor divider, as illustrated in Figure 3.
  • the voltage shift detection circuit 42 includes a first voltage shift resistor R vs1 and a second voltage shift resistor R vs2 .
  • the voltage output from voltage shifting device 58 is input at node A.
  • the voltage drop across R vs2 is sensed at point B and input to port 34b of the microcontroller 34.
  • the signal at node B will shift between 3.5V and 0.5V.
  • the voltage signal output from the voltage shift detection circuit 42 is suitable for input to the microcontroller 34.
  • the signal at node B can be read and interpreted by the microcontroller 34 as either a digital signal or an analog signal.
  • FIG. 4 illustrates another preferred embodiment of the voltage shift detection circuit 42 that comprises a voltage subtraction circuit.
  • the voltage shift detection circuit 42 includes a Zener diode D vs1 and a voltage shift resistor R vs3 .
  • the Zener diode D vs1 serves as a voltage subtractor.
  • the voltage output from voltage shifting device 58 is input at node A, then reduced and output to the microcontroller 34 at node B at a voltage level suitable for inputting to the microcontroller 34.
  • D vs1 is a 10V Zener diode
  • R vs3 is a simple resistor
  • the output voltage of the voltage shifting device 58 is shifted between 13.5V and 10.5V
  • the signal output at node B will shift between 3.5V and 0.5V.
  • the signal at node B can be read and interpreted as being either analog or digital.
  • FIG. 5 illustrates yet another preferred embodiment of the voltage shift detection circuit 42 including a comparator C1 used to output a digital signal to the microcontroller 34 at node B.
  • the voltage shift detection circuit 42 includes a voltage shift resistor R vs4 and a voltage shift resistor R vs5 .
  • the comparator C1 has a fixed voltage reference V ref on its inverting input and its non-inverting input is connected between the and voltage shift resistors R vs4 and R vs5 .
  • the voltage signal output from the comparator C1 shifts between a logic high level signal and a logic low level signal in correlation with the sequential shifting pattern of the voltage output from the voltage shifting device 58.
  • the signal output at node B will be at a logic low level.
  • the output voltage V2 of the voltage shifting device 58 is 9V or greater, then node B will be at a logic high level. Therefore, the shifting of the voltage output from the voltage shifting device 58 between V1 and V2, e.g. 8V and 9V or greater, creates a corresponding pulse train at node B.
  • This digital signal is read and interpreted by the microcontroller 34 at port 34b.
  • the comparator C1 is not included in the voltage shift detection circuit 42, but rather included in the microcontroller 34.
  • system 10 is adapted for unidirectional communication from the microcontroller 34 to the data reader 66.
  • the microcontroller 34 immediately downloads, i.e. transmits, data to the data reader 66 in the same manner as described above.
  • system 10 is adapted for unidirectional communication from the second communications circuit 30 to the microcontroller 34.
  • the second communications circuit 30 immediately uploads, i.e. transmits, data to the microcontroller 34 in the same manner as described above.
  • Bi-directional communication enables important programming of the microcontroller 34 to be readily accomplished, as well as allowing tool performance information to be downloaded from the tool 14.
  • FIG. 6 is a flow chart 200 illustrating another preferred implementation for initiating the communications mode of the tool 14.
  • the data transfer device 18 is connected to the power terminals 22a and 22b, as indicated at 202.
  • the microcontroller 34 determines whether the voltage output by power source 54 is greater than or less than a predetermined threshold voltage, for example 6.5 volts, as indicated at 204. If the output of the power source 54 is less than the threshold level then the microcontroller 34 enters the communications mode, as indicated at 206.
  • the communications mode can be any of the bidirectional or unidirectional communications modes described above. Once in the communications mode, data is transmitted between the first communications circuit 26 and the second communications circuit 30 in the manner described above, as indicated at 208. If the output of the power source 54 is greater than or equal to the threshold level, then the microcontroller 34 does not enter communications mode and a normal operational mode of the tool 14 is enabled, as indicated at 210.
  • FIG. 7 is a flow chart 300 illustrating another preferred implementation for initiating the communications mode of the tool 14.
  • the data transfer device 18 is connected to the power terminals 22a and 22b, as indicated at 302.
  • the microcontroller 34 determines whether there is a voltage shifting signal at terminal 22a, as indicated at 304. That is, the microcontroller 34 determines whether there is a substantially steady voltage signal, e.g. DC signal, or a shifting voltage signal, e.g. AC signal, at terminal 22a when the data transfer device 18 is connected to power terminals 22a and 22b. If the signal at terminal 22a is a shifting signal, then the microcontroller 34 enters the communications mode, as indicated at 306.
  • the communications mode can be any of the bidirectional or unidirectional communications modes described above.
  • the system 10 transfers data immediately upon connection of the battery pack to the power terminals 22a and 22b.
  • the microcontroller 34 downloads data to the second communications circuit 30.
  • data from the second communications circuit 30 can be immediately uploaded to the first communications circuit 26 upon insertion of the battery pack into the tool 14.
  • bidirectional communication can also occur immediately upon connection of the data transfer device 18, i.e. the battery pack including the second communications circuit 30, to the power terminals 22a and 22b. Bidirectional communications can occur by immediately downloading data to the data reader 66 and then uploading data to the microcontroller 34 immediately upon completion of the download, or vice versa.
  • the battery pack not only immediately enables the microcontroller 34, but also immediately provides operational power to the tool 14. Therefore, in any of the communications modes, the microcontroller 34 will suspend or stop the transfer of data if operation of the tool 14 is attempted.
  • the system 10 thus provides a means to provide unidirectional or bi-directional communications with an electronic component located within the housing of the power tool without requiring disassembly of the tool.
  • important tool programming can be accomplished quickly and easily without any disassembly of the tool 14. This significantly simplifies manufacture of the tool 14.
  • stored tool operation/performance information can quickly and easily be down loaded without any disassembly of the tool 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Power Sources (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Battery Mounting, Suspending (AREA)
  • Portable Power Tools In General (AREA)
  • Stand-By Power Supply Arrangements (AREA)
EP05000887A 2004-01-30 2005-01-18 Système et méthode pour communiquer des données concernant un outil à courant continu sans fil par le biais de sa station de rechargement Withdrawn EP1559511A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US76894704A 2004-01-30 2004-01-30
US768947 2004-01-30
US10/812,521 US6913087B1 (en) 2004-01-30 2004-03-30 System and method for communicating over power terminals in DC tools
US812521 2004-03-30

Publications (2)

Publication Number Publication Date
EP1559511A2 true EP1559511A2 (fr) 2005-08-03
EP1559511A3 EP1559511A3 (fr) 2010-05-05

Family

ID=34657418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000887A Withdrawn EP1559511A3 (fr) 2004-01-30 2005-01-18 Système et méthode pour communiquer des données concernant un outil à courant continu sans fil par le biais de sa station de rechargement

Country Status (6)

Country Link
EP (1) EP1559511A3 (fr)
JP (1) JP2005212097A (fr)
CN (1) CN100407216C (fr)
AU (1) AU2005200268A1 (fr)
NZ (1) NZ537869A (fr)
TW (1) TWI264352B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007058596A1 (fr) * 2005-11-17 2007-05-24 Atlas Copco Tools Ab Outil electrique portable alimente par batterie
EP1902817A2 (fr) * 2006-09-22 2008-03-26 Cooper Power Tools Gmbh & Co. Ohg Outil électrique sans fil et système de fabrication
WO2009141705A1 (fr) * 2008-05-21 2009-11-26 Atlas Copco Blm S.R.L. Clé dynamométrique électronique avec batterie amovible et système avec une telle clé
DE102009042151A1 (de) * 2009-09-18 2011-03-24 Hs-Technik Gmbh Handwerkzeugmaschine, insbesondere akkubetriebene Handwerkzeugmaschine
WO2012072233A3 (fr) * 2010-11-30 2012-08-09 Marquardt Verwaltungs-Gmbh Commutateur électrique
WO2013174556A1 (fr) * 2012-05-25 2013-11-28 Robert Bosch Gmbh Outil électrique
US9224994B2 (en) 2010-04-12 2015-12-29 Makita Corporation Electric power tool powered by battery pack and adapter therefor
EP3035484A1 (fr) * 2014-12-18 2016-06-22 HILTI Aktiengesellschaft Interface commutable pour machines-outils
WO2018052363A1 (fr) * 2016-09-14 2018-03-22 Husqvarna Ab Procédé amélioré de commande d'outil forestier ou de jardinage alimenté par batterie

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006315131A (ja) * 2005-05-12 2006-11-24 Hitachi Koki Co Ltd コードレス工具
JP5192674B2 (ja) * 2006-09-07 2013-05-08 日立工機株式会社 電動工具
SE530667C2 (sv) * 2007-01-15 2008-08-05 Atlas Copco Tools Ab Portabelt motordrivet verktyg med trådlös kommunikation med en stationär styrenhet
US7999507B2 (en) * 2007-12-10 2011-08-16 Illinois Tool Works Inc. Power tool having mating battery terminals
JP2009220214A (ja) * 2008-03-17 2009-10-01 Hitachi Koki Co Ltd 電動工具
CN102771028A (zh) * 2009-10-21 2012-11-07 微电子股份有限公司 用于电池接口装置的补丁和相关系统及方法
JP5696885B2 (ja) * 2011-01-31 2015-04-08 日立工機株式会社 電動工具
WO2012122136A2 (fr) * 2011-03-04 2012-09-13 Blount, Inc. Outil alimenté par accumulateur
JP5796741B2 (ja) * 2011-05-19 2015-10-21 日立工機株式会社 電動工具
JP5720890B2 (ja) * 2011-05-20 2015-05-20 日立工機株式会社 電動工具
US20140069672A1 (en) * 2011-05-20 2014-03-13 Hitachi Koki Co., Ltd. Power Tool
DE102011102275A1 (de) * 2011-05-23 2012-11-29 C. & E. Fein Gmbh Schrauber und Verfahren zum Steuern eines Schraubers
JP2013000863A (ja) * 2011-06-20 2013-01-07 Hitachi Koki Co Ltd 電動工具
DE102011084766A1 (de) * 2011-10-19 2013-04-25 Robert Bosch Gmbh Elektrowerkzeug und Verfahren zum Betreiben eines Elektrowerkzeugs
GB201200297D0 (en) * 2012-01-07 2012-02-22 Smiths Medical Int Ltd Electrical apparatus
DE102012017376A1 (de) * 2012-06-13 2013-12-19 Robert Bosch Gmbh Werkzeug und Verfahren zu dessen Betrieb
JP6436386B2 (ja) * 2014-12-25 2018-12-12 パナソニックＩｐマネジメント株式会社 電動工具、電動工具用操作機、及び電動工具システム
WO2017170648A1 (fr) * 2016-03-29 2017-10-05 日東工器株式会社 Circuit de commande pour outil électrique ayant une fonction de transmission de données de réglage, outil électrique, dispositif de commande et système d'outil électrique
CN105846000A (zh) * 2016-05-16 2016-08-10 深圳市乐祺微电子科技有限公司 一种智能输出电流的动力电池包及方法
JP6796796B2 (ja) * 2016-12-28 2020-12-09 パナソニックＩｐマネジメント株式会社 電動工具
EP3454407A1 (fr) * 2017-09-07 2019-03-13 HILTI Aktiengesellschaft Procédé de commande d'un accumulateur d'une machine-outil
DE102017222550A1 (de) * 2017-12-13 2019-06-13 Robert Bosch Gmbh Zusatzmodul zur Verwendung mit einem Arbeitsgerät und Arbeitsgerät
JP2019104095A (ja) * 2017-12-14 2019-06-27 京セラインダストリアルツールズ株式会社 電動工具
AU2019246242B2 (en) 2018-03-30 2022-01-27 Koki Holdings Co., Ltd. Work device
EP3795302A1 (fr) * 2019-09-23 2021-03-24 Hilti Aktiengesellschaft Communication robuste
CN115349211A (zh) * 2020-04-07 2022-11-15 博世电动工具（中国）有限公司 可装卸动力电池、电动工具、通信终端、数据传递方法及可读存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734254A (en) * 1996-12-06 1998-03-31 Hewlett-Packard Company Battery pack and charging system for a portable electronic device
US5945806A (en) * 1997-08-29 1999-08-31 Compaq Computer Corporation Variable-voltage programmable battery module
US5990659A (en) * 1997-10-01 1999-11-23 Telefonaktiebolaget Lm Ericsson Battery pack that communicates intrinsic information over battery voltage terminals
US20030011245A1 (en) * 2000-03-28 2003-01-16 Arnim Fiebig Electric device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4429206C2 (de) * 1994-08-18 1998-04-09 Atlas Copco Tools Ab Einrichtung zur Betriebssperre bzw. Betriebsfreigabe einer elektrischen Handwerkzeugmaschine
US5903462A (en) * 1996-10-17 1999-05-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Computer implemented method, and apparatus for controlling a hand-held tool
US6075341A (en) * 1999-02-17 2000-06-13 Black & Decker Inc. Power pack charging system for a power tool
US6286609B1 (en) * 1999-12-10 2001-09-11 Black & Decker Inc. AC/DC chopper for power tool
EP1982798A3 (fr) * 2000-03-16 2008-11-12 Makita Corporation Outil électrique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734254A (en) * 1996-12-06 1998-03-31 Hewlett-Packard Company Battery pack and charging system for a portable electronic device
US5945806A (en) * 1997-08-29 1999-08-31 Compaq Computer Corporation Variable-voltage programmable battery module
US5990659A (en) * 1997-10-01 1999-11-23 Telefonaktiebolaget Lm Ericsson Battery pack that communicates intrinsic information over battery voltage terminals
US20030011245A1 (en) * 2000-03-28 2003-01-16 Arnim Fiebig Electric device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1948404A1 (fr) * 2005-11-17 2008-07-30 Atlas Copco Tools Ab Outil electrique portable alimente par batterie
EP1948404A4 (fr) * 2005-11-17 2011-09-28 Atlas Copco Tools Ab Outil electrique portable alimente par batterie
WO2007058596A1 (fr) * 2005-11-17 2007-05-24 Atlas Copco Tools Ab Outil electrique portable alimente par batterie
EP1902817A2 (fr) * 2006-09-22 2008-03-26 Cooper Power Tools Gmbh & Co. Ohg Outil électrique sans fil et système de fabrication
EP1902817A3 (fr) * 2006-09-22 2009-05-13 Cooper Power Tools Gmbh & Co. Ohg Outil électrique sans fil et système de fabrication
WO2009141705A1 (fr) * 2008-05-21 2009-11-26 Atlas Copco Blm S.R.L. Clé dynamométrique électronique avec batterie amovible et système avec une telle clé
US8172607B2 (en) 2008-05-21 2012-05-08 Atlas Copco Blm S.R.L. Electronic torque wrench with removable battery and system with such a wrench
DE102009042151A1 (de) * 2009-09-18 2011-03-24 Hs-Technik Gmbh Handwerkzeugmaschine, insbesondere akkubetriebene Handwerkzeugmaschine
US9224994B2 (en) 2010-04-12 2015-12-29 Makita Corporation Electric power tool powered by battery pack and adapter therefor
US9954477B2 (en) 2010-11-30 2018-04-24 Marquardt Gmbh Electrical switch
WO2012072233A3 (fr) * 2010-11-30 2012-08-09 Marquardt Verwaltungs-Gmbh Commutateur électrique
DE102011119489B4 (de) * 2010-11-30 2021-05-06 Marquardt Verwaltungs-Gmbh Elektrischer Schalter
CN104364058A (zh) * 2012-05-25 2015-02-18 罗伯特·博世有限公司 电动工具
US9652217B2 (en) 2012-05-25 2017-05-16 Robert Bosch Gmbh Electric tool
WO2013174556A1 (fr) * 2012-05-25 2013-11-28 Robert Bosch Gmbh Outil électrique
WO2016097081A1 (fr) * 2014-12-18 2016-06-23 Hilti Aktiengesellschaft Interface commutable pour machines-outils
CN107073696A (zh) * 2014-12-18 2017-08-18 喜利得股份公司 用于工具机的可切换的接口
EP3035484A1 (fr) * 2014-12-18 2016-06-22 HILTI Aktiengesellschaft Interface commutable pour machines-outils
US10559967B2 (en) 2014-12-18 2020-02-11 Hilit Aktiengesellschaft Switchable interface for power tools
WO2018052363A1 (fr) * 2016-09-14 2018-03-22 Husqvarna Ab Procédé amélioré de commande d'outil forestier ou de jardinage alimenté par batterie

Also Published As

Publication number Publication date
JP2005212097A (ja) 2005-08-11
AU2005200268A1 (en) 2005-08-18
CN100407216C (zh) 2008-07-30
TWI264352B (en) 2006-10-21
EP1559511A3 (fr) 2010-05-05
NZ537869A (en) 2005-10-28
CN1651197A (zh) 2005-08-10
TW200536688A (en) 2005-11-16

Similar Documents

Publication Publication Date Title
US6913087B1 (en) System and method for communicating over power terminals in DC tools
EP1559511A2 (fr) Système et méthode pour communiquer des données concernant un outil à courant continu sans fil par le biais de sa station de rechargement
CA2493193C (fr) Systeme et procede de recuperation de donnees dans des outils electriques a courant alternatif par un cordon d'alimentation en courant alternatif
US11738426B2 (en) Power tool communication system
US6005489A (en) Electric power tool with code receiver
US9806548B2 (en) Power supply system providing power and analog data signal for use by portable electronic device to control battery charging
KR200330467Y1 (ko) 전원공급원 자동 인식 충전형 데이터 통신 케이블
AU754413B2 (en) A method and an apparatus for storing and communicating battery information
US7330129B2 (en) System and method for data retrieval in AC power tools via an AC line cord
US6218806B1 (en) Method and apparatus for obtaining product use information
US10855086B2 (en) Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices
WO2013014915A2 (fr) Adaptateur pour outils électriques, système d'outil électrique et procédé correspondant permettant de communiquer sans fil des informations d'entretien
CN1367564A (zh) 用于通过usb接口对移动终端充电的充电电路
CN107073696B (zh) 用于工具机的可切换的接口
US20130198443A1 (en) Systems and methods for programming a plurality of motor drives
CN103402708B (zh) 电气开关及其与外部装置通信的方法
CN118103175A (zh) 电动工具和电动工具系统
US20230398667A1 (en) Electric tool, and electric tool system
KR100816483B1 (ko) 메모리칩 내장 소켓을 이용한 전원제어 홈네트워크 시스템
CN112821818A (zh) 控制装置、电动工具主体及工具系统

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

17P Request for examination filed

Effective date: 20100609

17Q First examination report despatched

Effective date: 20100805

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130316