CN1651197A - System and method for communicating over power terminals in cordless DC tools - Google Patents
System and method for communicating over power terminals in cordless DC tools Download PDFInfo
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- CN1651197A CN1651197A CN 200510006410 CN200510006410A CN1651197A CN 1651197 A CN1651197 A CN 1651197A CN 200510006410 CN200510006410 CN 200510006410 CN 200510006410 A CN200510006410 A CN 200510006410A CN 1651197 A CN1651197 A CN 1651197A
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- 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
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- 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
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- 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
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- Mechanical Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Portable Power Tools In General (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A system and method for unidirectionally or bi-directionally communicating information and data to and from an electronic module housed within a cordless power tool, over power terminals of the cordless power tool, while a battery pack of the tool is removed from the tool. A data transfer device is connected to at least one power terminal of the tool in place of the battery pack. The power terminal is also used for electrically connecting the battery pack to the tool during normal operation of the tool. A voltage supplied by the data transfer device to the tool is sequentially varied between a first level and a second level, in accordance with a predetermined communications protocol, to transmit data from electronic module of the tool to the data transfer device. A voltage signal applied to the electronic module of the tool is sequentially shifted between a first voltage and a second voltage to transmit data from the data transfer device to the tool. Thus, data can be transmitted between the tool and the data transfer device without requiring disassembly of the tool.
Description
Technical field
The present invention relates to a kind of no electric wire electric power tool.More particularly, the present invention relates to power end transmission information between electric power tool and data transfer equipment via instrument.Described power end be used for being connected to the instrument power supply, be that the power end of portable battery pack is identical in the operating period of instrument.
Background technology
Modern no electric wire electric power tool is just becoming more general in family and commercial building setting.The development of no electric wire electric power tool causes producing various no electric wire electric power tools with no electric wire form.For example, common now electric power tool with no electric wire form manufacturing such as nailer, drill, screwdriver, annular saw, reciprocating saw, fret saw and sander.Along with the increase of no electric wire electric power tool type, the technical sophistication degree of no electric wire electric power tool increases.They are installed in the shell of many no electric wire electric power tools being convenient to such as the hyundai electronics parts of microcontroller and memory module are enough little.Some known no electric wire electric power tools are incorporated these electronic units into so that collection is used relevant data and other relevant informations of relevant tool operation with storage with instrument.Therefore, this electronic unit is used to store the algorithm and the program of the operation that is used for control tool.
Communicate by letter so that extract the reliability that also can reduce instrument that the known method of operating data, input control algolithm, renewal control program and/or renewal control coefrficient is normally labor-intensive, trouble, cost is high with no electric wire electric power tool.For example, instrument must be taken apart so that the visit electronic unit.In other cases, must add other electronics or optical communication end or port to instrument communicates by letter with electronic unit with permission.Therefore, very expectation provides a kind of parts of communicating by letter with interior data memory module of no electric wire electric power tool and/or control module of being used for, without extracting tool or comprise other communication port.
Summary of the invention
The present invention is intended to a kind of system and method that is used for uploading at the power end of no electric wire electric power tool carry information and data.
In preferred an enforcement, a kind of method is provided, comprise at least one power end of instrument that main equipment is connected to.Power end also is used in the operating period of instrument power supply being connected to instrument.This method also comprises: change offers the voltage of instrument so that data are sent to main equipment from instrument by main equipment between first level and second level.This method further comprises: the voltage signal of microcontroller that is converted to instrument between first voltage and second voltage is so that be sent to instrument with data from main equipment.
In another preferred embodiment of this system, a kind of system is provided, comprise the main equipment of at least one power end that is suitable for the instrument that is connected to, wherein, the operating period of instrument described power end be also connected to the instrument power supply.This system also comprises first telecommunication circuit in the instrument of being included in.This first telecommunication circuit is suitable for changing between first level and second level and offers the voltage of instrument by main equipment, thereby data are sent to main equipment from instrument.This system further comprises the second communication circuit that is included in the main equipment.This second communication circuit is suitable for being converted to the voltage signal of the microcontroller of instrument between first level and second level, thereby data are sent to instrument from main equipment.
From the detailed description that hereinafter provides, the more areas of applicability of the present invention will become apparent.Although should be appreciated that and describe in detail and concrete example expression the preferred embodiments of the present invention, only be the scope that the example illustration purpose is not intended to limit the present invention.
Description of drawings
To more fully understand the present invention from the detailed description and the accompanying drawings, wherein:
Fig. 1 is according to a preferred embodiment of the invention, is used for that data are sent to no electric wire electric power tool or transmits the simplified block diagram of the system of data from no electric wire electric power tool;
Figure 1A is the simplified block diagram of another preferred embodiment of system shown in Figure 1;
Fig. 2 is first telecommunication circuit shown in Figure 1 and the simplified block diagram of second communication circuit;
Fig. 3 is the rough schematic view of a preferred embodiment of example explanation voltage transitions testing circuit shown in Figure 2;
Fig. 4 is the rough schematic view of another preferred embodiment of example explanation voltage transitions testing circuit shown in Figure 2;
Fig. 5 is the rough schematic view of a preferred embodiment again of example explanation voltage transitions testing circuit shown in Figure 2;
Fig. 6 is the flow chart of another preferred embodiment of the communication pattern of example explanation startup instrument; And
Fig. 7 is the flow chart of a preferred embodiment again of the communication pattern of example explanation startup instrument.
Embodiment
The following description of preferred embodiment in fact only is exemplary and never plans the restriction invention, its application, or uses.
Fig. 1 is according to a preferred embodiment of the invention, is used for that data are sent to no electric wire electric power tool 14 and/or transmits the simplified block diagram of the system 10 of data from no electric wire electric power tool 14.To recognize, and not be shown as no electric wire drill although there is electric wire instrument 14 in Fig. 1, electric power tool 14 can be any no electric wire instrument such as nailer, drill, screwdriver, annular saw, reciprocating saw, fret saw or sander or the like.System 10 comprises data transfer equipment 18, is also referred to as main equipment, is suitable for being connected to the power end 22a and the 22b of electric power tool 14, communicates by letter with electric power tool 14 when being in communication pattern with convenient electric power tool 14. Power end 22a and 22b also are used for the instrument power supply such as dismountable portable battery pack is connected to instrument 14, so that the motor 24 of electric power with operation tool 14 is provided during operator scheme.
In a preferred embodiment, the basic in shape and power supply of data transfer equipment 18, for example dismountable portable battery pack is similar, so that in the mode identical with power supply data transfer equipment 18 is connected to electric power tool 14.For example, as shown in Figure 1, dismountable portable battery pack that data transfer equipment 18 battery pack socket 19 basic in shape and from electric power tool 14 shifts out is similar.Therefore, battery pack is connected to electric power tool 14 identical modes when being in operator scheme data transfer equipment 18 is connected to electric power tool 14 with electric power tool 14.Therefore, data transfer equipment 18 fast and be easy to exchange with battery pack.In another preferred embodiment, data transfer equipment 18 is the dismountable portable battery pack that comprise telecommunication circuit as described below.
With reference to Figure 1A, in another preferred embodiment, data transfer equipment 18 ' comprise computer based equipment 18a and connector 18b such as on knee or handheld computer.Computer based equipment 18a is connected to connector 18b communicatedly and comprises telecommunication circuit as described below.Connector 18b can or even be connected to computer based equipment 18a by wireless connections communicatedly via suitable interface cable 18c.Connector 18b is similar with the dismountable portable battery pack that has shifted out from electric power tool 14 in shape.By connector 18b being inserted electric power tool 14, data transfer equipment 18 is connected to electric power tool 14 in the mode identical with battery pack.Therefore, utilize the connector 18b and the interface cable 18c of the interface unit that in fact just serves as equipment shown in Figure 1 18, the interface of data transfer equipment 18 ' realization and instrument 14.For simplicity, following detailed description will be pointed to the use of data transfer equipment 18.
Further with reference to figure 1, system 10 comprises first telecommunication circuit 26 that places in the electric power tool 14.First telecommunication circuit 26 is suitable for communicating by letter with the second communication circuit 30 in being included in data transfer equipment 18 with 22b via the power end 22a of electric power tool 14.More specifically, power end 22a is used for dual purpose.Power end 22a is used to electric power tool 14 and 26 power supplies of first circuit, and is used for transmitting data between first and second telecommunication circuits 26 and 30.
In a preferred embodiment, system 10 is suitable for providing two-way communication between first telecommunication circuit 26 and second communication circuit 30.For example, can download data and information, that is, send to second communication circuit 30 from first telecommunication circuit 26 such as operating parameter and tool operation historical information.Equally, can upload data and information, that is, send to first telecommunication circuit 26 from second communication circuit 30 such as algorithm, program, algorithm and/or program coefficient and operating parameter.In addition, system 10 also can be configured to only provide one-way communication between first telecommunication circuit 26 and second communication circuit 30.For example, in an example, system 10 is suitable for only sending data and information from first telecommunication circuit 26 to second communication circuit 30.In another example, system 10 is suitable for only sending data and information from second communication circuit 30 to first telecommunication circuit 26.
Fig. 2 is first and second telecommunication circuits 26 shown in Figure 1 and 30 simplified block diagram.First telecommunication circuit 26 comprises the microcontroller 34 of the communication between control data transfer equipment 18 and the electric power tool 14.More specifically, microcontroller 34 and the controller that is included in the second communication circuit 30, preferably microprocessor 36 is in conjunction with work, to control the communication between first and second telecommunication circuits 26 and 30.In addition, microprocessor 36 can be the equipment outside the second communication circuit 30, for example on knee or handheld computer.
In addition, first telecommunication circuit 26 comprises at least one pressurizer 38 and voltage transitions testing circuit 42.Pressurizer 38 maintains the voltage output that is provided to microcontroller 34 to be suitable for the level of the operation that starts microcontroller 34.In a preferred embodiment, first telecommunication circuit 26 further comprises first resistor R 1 between the port 34a of the output that is connected pressurizer 38 and microcontroller 34.The impedance at port 34a place defaults to height so that electric current does not flow through first resistor R 1, unless microcontroller 34 drags down the signal at port 34a place.When the signal at 34a place when low, electric current will flow through first resistor R 1.In addition, can replace R1 with the mobile any electronic unit of electric current that is suitable for according to the resistance value of port 34a is controlled in first telecommunication circuit 26.For example, can replace R1 with LED, inductance or transistor.Therefore, although use first resistor R 1 operation of first telecommunication circuit 26 is described, be to be understood that, can be with the impedance that is suitable for by port switching 34a place, allow microcontroller 34 control flows to replace first resistor R 1 and still be within the scope of the present invention through any other electronic unit of the current value of connector 22a.
Microcontroller 34 comprises the electronic memory 46 that is suitable for storing information, data and the programming relevant with all operations aspect of electric power tool 14.For example, microcontroller memory 46 can be stored the data that will be sent to second communication circuit 30.Similarly, the data that transmit from second communication circuit 30 also can be stored in the microcontroller memory 46.In another preferred embodiment, first telecommunication circuit 26 comprises the memory devices 50 of microcontroller 34 outsides.Utilize memory devices 50 by system 10 in the mode substantially the same with microcontroller memory 46.Come descriptive system 10 although quote microcontroller memory 46, will recognize, about the operation of system 10, interchangeable microcontroller memory 46 and memory devices 50.In another preferred embodiment, the communication of microcontroller 34 between control first and second telecommunication circuits 26 and 30, the operation of going back control tool 14.
Voltage conversion apparatus 58 preferably includes two pressurizers and voltage switching device, such as for example TRIAC, field-effect transistor (FET) and igbt (IGBT) or silicon controlled rectifier (SCR).In addition, voltage conversion apparatus 58 can be any equipment that is suitable for exporting the voltage of changing between two magnitudes of voltage.Can regulate or not regulate voltage by voltage conversion apparatus 58 outputs.
For the communication pattern of startup instrument 14, disconnect and from instrument 14 removal tool power supply, for example portable battery pack from power end 22a and 22b.Then, at power end 22a and 22b data transfer equipment 18 is connected to instrument 14.As mentioned above, data transfer equipment 18 or the connector 18b that is connected to described data transfer equipment 18 are similar with the instrument power supply of removing from instrument 14 in shape, so that it can easily be connected to battery pack socket 19.Therefore, data transfer equipment 18, perhaps connector 18b is inserted in the socket 19 of instrument 14 and in the mode identical with the instrument power supply and is connected to power end 22a and 22b.When data transfer equipment 18 or connector 18b were connected to power end 22a and 22b, circuit power 54 was to 26 power supplies of first telecommunication circuit.
Voltage conversion apparatus 58 and 2 controls of second resistor R output to the voltage of first telecommunication circuit 26 from second communication circuit 30.Therefore, the electric current from 30 outputs of second communication circuit will be affected according to the variation of being exported by the voltage of voltage conversion apparatus 58 and 2 controls of second resistor R.In addition, can control, thereby influence is by the variation of the voltage of second communication circuit 30 outputs from the electric current of second communication circuit 30 outputs.In a preferred form, voltage conversion apparatus 58 and second resistor R 2 control voltage and/or electric currents are so that the electric power that is provided by second communication circuit 30 is enough to start the operation of microcontroller 34.In addition, pressurizer 38 is regulated the voltage that is provided to microcontroller 34.The electric power that is provided by second communication circuit 30 is enough to start the operation of microcontroller 34, but is not enough to drive motor 24.Therefore, when instrument is in when data transfer equipment 18 is connected to the communication pattern of instrument 14, motor 24 is with inoperation.In addition, second communication circuit 30 can provide enough electric power with excitation microcontroller 34 and motor 24 both.In this enforcement, if programming microcontroller 34 then suspends transfer of data so that activate instrument 14 when communication pattern.
In case started the operation of microcontroller 34, microcontroller 34 or data can be sent to data reader 66 perhaps receives the data that transmitted by second communication circuit 30 or both all can.Best system 10 is suitable for two-way communication.In this embodiment, for data being sent to data reader 66, second communication circuit 30 is to microcontroller 34 inquiry data.Then, microcontroller 34 begins pulsation ground adjusting port 34a between high impedance and Low ESR sequentially with predetermined data communication mode.For example, the pulsation mode of port 34a can have the serial ascii data form in specific baud rate pulsation.Pulsation mode constitutes will be sent to the data of data reader 66 from microcontroller 34.The pulsation of the order of port 34a causes that the voltage at first resistor R, 1 two ends changes between first voltage and second voltage with identical sequential system.For example, the voltage at first resistor R, 1 two ends with and the same sequence mode of port 34a pulsation between 0 volt and 5 volts, change.The conversion of the voltage at first resistor R, 1 two ends causes that the electric current that flows to first telecommunication circuit 26 from second communication circuit 30 changes between first value and second value.Therefore, cause that from the switching current of second communication circuit 30 to first telecommunication circuits 26 voltage that is provided to first telecommunication circuit 26 by second communication circuit 30 changes first level and second level.
More specifically, will be from the electric current of voltage conversion apparatus 58 outflows and second resistor R 2 of flowing through with the sequential system identical with the pulsation of port 34a, conversion between first value and second value.The variable-current of second resistor R 2 of flowing through causes voltage sequence alternate between first voltage and second voltage at second resistor R, 2 two ends conversely.The sequence alternate voltage at second resistor R, 2 two ends also will have the sequential system identical with the pulsation of port 34a.Difference channel 70 becomes digital signal with the variation voltage transitions at second resistor R, 2 two ends, and this digital signal is relevant with the switching of voltage between first and second magnitudes of voltage at second resistor R, 2 two ends.This digital signal is represented the data by microcontroller 34 transmission.
For example, when port 34a is in high impedance, do not have electric current to flow through first resistor R 1 basically, thereby make the electric current that flows through second resistor R 2 produce first voltage at second resistor R, 2 two ends.Therefore, difference channel 70 outputs are corresponding to the digital signal of first voltage at second resistor R, 2 two ends, for example digital low signal.Then, when port 34a is pulled to Low ESR, electric current will flow through first resistor R 1, and the electric current that causes flowing through second resistor R 2 changes.Therefore, the electric current by second resistor R 2 makes the voltage at second resistor R, 2 two ends change into second voltage.The variation of the pressure drop at difference channel 70 inductions second resistor R 2 two ends, and output is corresponding to the signal of second voltage, as digital high level signal.Therefore, switch according to the order of the impedance at port 34a place and between first and second voltages during sequence alternate, the output signal of difference channel 70 order between high signal of numeral and low signal is switched when the voltage at second resistor R, 2 two ends.Therefore, the numeral of difference channel 70 output expression is sent to the serial data stream of data transfer equipment 18 from instrument 14.
Then, will be input to data reader 66 from the digital signal of difference channel 70.Data reader 66 digital signal is interpreted as serial data stream and with storage in memory devices 74.In a preferred embodiment, memory devices 74 is included in the data reader 66.In addition, memory devices 74 can be in the outside of data reader 66.In addition, if data reader 66 is the external computer device such as kneetop computer, then this external computer device will preferably include and be used to store the memory of data that transmits from microcontroller 34.
For data are sent to instrument 14 from data transfer equipment 18, second communication circuit 30 sends and will send the signal of data to microcontroller 34 from second communication circuit 30 to microcontroller 34.Then, microprocessor 36 command voltage conversion equipments 58 are sequentially changed the voltage by voltage conversion apparatus 58 outputs between first magnitude of voltage and second magnitude of voltage according to predetermined data-transmission mode, thereby expression is with the data that transmit.For clarity and brevity, be called V1 and V2 at these first and second voltage output values with voltage conversion apparatus 58.The voltage transitions pattern can comprise to specify serial ascii data form or any other data transmission format of baud rate conversion.
Changing voltage by voltage conversion apparatus 58 outputs drives pressurizer 38 so that to microcontroller 34 power supplies.Therefore, pressurizer 38 has the ability of the input voltage of the certain limit accepted.When the output voltage of voltage conversion apparatus 58 is in V1 or V2, in the time of perhaps between V1 and the V2, start microcontroller 34 fully.First output voltage V 1 is enough to power up, and promptly starts microcontroller 34, but is not enough to the operation of actuating motor 24.Similarly, second output voltage V 2 is enough to power up microcontroller 34, but is not enough to the operation of actuating motor 24.Also will be input to voltage transitions testing circuit 42 by the order changing voltage of voltage conversion apparatus 58 outputs.Voltage transitions testing circuit 24 is exported the voltage signal of changing again between first level and second level.Follow the tracks of translative mode by the voltage signal of the conversion of voltage transitions testing circuit 42 output by the voltage of voltage conversion apparatus 58 outputs.From the voltage signal of voltage transitions testing circuit 42 output can be numeral or simulation, and be input to microcontroller 34 at port 34b.Microcontroller 34 signal interpretation of conversion in proper order is serial data stream and takes suitable action.For example, microcontroller 34 can be with storage in memory devices 46, or microcontroller can be carried out some actions by data command.
Voltage transitions testing circuit 42 can be to be suitable for any circuit that output voltage with voltage conversion apparatus 58 is modulated to the level that is suitable for being input to microcontroller 34.In a preferred embodiment, voltage transitions testing circuit 42 comprises resitstance voltage divider, as shown in Figure 3.In this embodiment, voltage transitions testing circuit 42 comprises the first voltage transitions resistor R
Vs1With the second voltage transitions resistor R
Vs2At the voltage of node A input from voltage conversion apparatus 58 outputs.Read R at a B
Vs2The voltage drop at two ends also is input to the port 34b of microcontroller 34.For example, if Rvs1 is 62K ohm, R
Vs2Change between 25V and 7V for the output voltage of 10K ohm and changing voltage conversion equipment 58, then the signal at Node B place will be changed between 3.5V and 0.5V.Therefore, the voltage signal from 42 outputs of voltage transitions testing circuit is suitable for being input to microcontroller 34.Can read the signal at Node B place and be interpreted as digital signal or analog signal by microcontroller 34.
Fig. 4 example has illustrated another preferred embodiment of the voltage transitions testing circuit 42 that comprises the voltage subtraction circuit.In this embodiment, voltage transitions testing circuit 42 comprises Zener diode D
Vs1With the voltage transitions resistor R
Vs3Zener diode D
Vs1As the voltage subtracter.Import at node A from the voltage of voltage conversion apparatus 58 output, be lowered then and output to microcontroller 34 at the Node B place with the magnitude of voltage that is suitable for being input to microcontroller 34.For example, if D
Vs1Be 10V Zener diode, R
Vs3Be simple resistor, and the output voltage of voltage conversion apparatus 58 changes between 13.5V and 10.5V, then the signal of Node B place output will be changed between 3.5V and 0.5V.Can read the signal at Node B place and be interpreted as analog or digital.
Fig. 5 example has illustrated and has comprised another preferred embodiment that is used at the Node B place to the voltage transitions testing circuit 42 of the comparator C 1 of microcontroller 34 output digital signals.In this embodiment, except comparator C 1, voltage transitions testing circuit 42 also comprises the voltage transitions resistor R
Vs4With the voltage transitions resistor R
Vs5Comparator C 1 has fixing Voltage Reference V in its anti-phase input
VefWith and noninverting input be connected the voltage transitions resistor R
Vs4And R
Vs5Between.According to the order translative mode of the voltage of exporting from voltage conversion apparatus 58, between logic-high signal and logic-low signal, change from the voltage signal of comparator C 1 output.For example, if R
Vs4Be 25K ohm, R
Vs5Be 10K ohm, V
RefBe 2.5V, and the output voltage V 1 of voltage conversion apparatus 58 is 8V, then the signal of Node B place output will be in logic low.Yet if the output voltage V of voltage conversion apparatus 58 2 is 9V or higher, Node B will be in logic high.Therefore, from voltage conversion apparatus 58 output at V1 and V2, for example 8V and 9V or higher between the voltage of conversion produce corresponding pulse train at the Node B place.Read and explain this digital signal by microcontroller 34 at port 34b place.In another preferred embodiment, comparator C 1 is not included in the voltage transitions testing circuit 42, but is included in the microcontroller 34.
In another preferred embodiment, system 10 is suitable for from microcontroller 34 to data reader 66 one-way communication.In this embodiment, in case start the operation of microcontroller 34, microcontroller 34 is downloaded to data reader 66 immediately in the same manner described above, promptly transmits data.
In another preferred embodiment, system 10 is suitable for from second communication circuit 30 to microcontroller 34 one-way communication.In this embodiment, in case start the operation of microcontroller 34, second communication circuit 30 is about to data and is sent to microcontroller 34 immediately in the same manner described above with data upload.
Although one-way communication within the scope of the invention, the expection two-way communication may be best implementation.Two-way communication makes that the important programming of microcontroller 34 is easy to realize, and allows from instrument 14 download tool performance informations.
Fig. 6 is another flow process Figure 200 that preferably implements that the example explanation is used for the communication pattern of startup instrument 14.At first, shown in 202, data transfer equipment 18 is connected to power end 22a and 22b.Then, shown in 204, microcontroller 34 definite voltages by power supply 54 outputs are higher than or are lower than predetermined threshold voltage, for example 6.5V.Shown in 206, if the output of power supply 54 is lower than this threshold level, then microcontroller 34 enters communication pattern.Communication pattern can be any one in the aforesaid two-way or one-way communication pattern.In case be in communication pattern, then shown in 208, between first telecommunication circuit 26 and second communication circuit 30, transmit data in the above described manner.Threshold level shown in if the output of power supply 54 is greater than or equal to, then shown in 210, microcontroller 34 does not enter the normal manipulation mode of communication pattern and startup instrument 14.
Fig. 7 is another flow chart of preferably implementing 300 that the example explanation is used for the communication pattern of startup instrument 14.At first, shown in 302, data transfer equipment 18 is connected to power end 22a and 22b.Then, shown in 304, microcontroller 34 determines whether there is the voltage transitions signal at end 22a place.That is, when data transfer equipment 18 was connected to power end 22a and 22b, microcontroller 34 determined whether end 22a place exists stable basically voltage signal, as the DC signal, or signal conversion voltage, as the AC signal.If the signal at end 22a place is a switching signal, then shown in 306, microcontroller 34 enters communication pattern.Communication pattern can be any one in the above-mentioned two-way or one-way communication pattern.In case be in communication pattern, then shown in 308, between first telecommunication circuit 26 and second communication circuit 30, transmit data in the above described manner.If the signal at end 22a place is a stabilization signal, then microcontroller 34 does not enter communication pattern and shown in 310, the normal manipulation mode of startup instrument 14.
In another preferred embodiment, wherein data transfer equipment 18 is dismountable portable battery pack, in case battery pack 10 is connected to power end 22a and 22b, system 10 transmits data immediately.For example, in case battery pack is inserted in the instrument 14, microcontroller 34 downloads data to second communication circuit 30 immediately.Similarly, in case battery pack is inserted in the instrument 14, can upload to first telecommunication circuit 26 immediately from the data of second communication circuit 30.As another example, in case with data transfer equipment 18, comprise that promptly the battery pack of second communication circuit 30 is connected to power end 22a and 22b, two-way communication takes place immediately.By downloading data to data reader 66 immediately, two-way communication takes place in case finish that download uploads the data to microcontroller 34 immediately then, or vice versa.In this embodiment, battery pack not only starts microcontroller 34 immediately, and provides operating power to instrument 14 immediately.Therefore, in any communication pattern, if attempt operation tool 14, then microcontroller 34 will suspend or stop the transmission of data.
Therefore, system 10 provides a kind of parts, and these parts provide the unidirectional or two-way communication of electronic unit with the shell that is positioned at electric power tool, and do not need extracting tool.As a result, can be fast and easily realize the programming of important instrument, and do not need any dismounting of instrument 14.This simplifies the manufacturing of instrument 14 widely.It is also important that, can quick and easily download tool operation/performance information of being stored, and do not need any dismounting of instrument 14.
Description of the invention only is exemplary actually, and therefore, the variation that does not deviate from essence of the present invention within the scope of the invention.These change should not be considered as deviating from the spirit and scope of the present invention.
The application is submission on January 30th, 2004, present pending application No.10/768,947 continuity.The full content of above-mentioned patent application is incorporated herein for your guidance.
Claims (59)
1. method that between no electric wire electric power tool and main equipment, transmits data, described method comprises:
Described main equipment is inserted in the battery pack socket of described instrument so that described main equipment is connected at least one battery-end of described instrument;
Enter the instrument communication pattern; And
Between described electric power tool and main equipment, transmit data.
2. the method for claim 1, wherein, the step of inserting described main equipment comprises: the detachable battery group that will comprise telecommunication circuit is inserted described battery pack socket, and wherein, described battery pack is used for during described communication pattern and tool operation pattern to described instrument power supply.
3. the method for claim 1, wherein, the step of described transmission data comprises: change between first value and second value by described main equipment and be provided in the voltage and current of described instrument at least one, so that data are sent to described main equipment from described instrument.
4. method as claimed in claim 3, wherein, change is comprised by the step that described main equipment is provided to the voltage of described instrument: the voltage at the resistor two ends between first voltage and second voltage in the described instrument of sequence alternate.
5. method as claimed in claim 4, wherein, change is further comprised by the step that described main equipment is provided to the voltage of described instrument: as the result of the voltage at the described instrument resistor of sequence alternate two ends, the voltage at the resistor two ends between first voltage and second voltage in the described main equipment of sequence alternate.
6. method as claimed in claim 5, wherein, change is further comprised by the step that described main equipment is provided to the voltage of described instrument: will be sent to the digital signal of the data of main equipment in the voltage transitions of described main equipment resistor two ends sequence alternate from described instrument for expression.
7. method as claimed in claim 6, wherein, change is further comprised by the step that described main equipment is provided to the voltage of instrument: will be sent to the storage of main equipment data reader from described instrument.
8. the step that the method for claim 1, wherein transmits data comprises: be converted to the voltage signal of the microcontroller of described instrument between first voltage and second voltage, so that data are sent to described instrument from described main equipment.
9. method as claimed in claim 8, wherein, the step that is converted to the voltage signal of microcontroller comprises: order is switched the voltage that is provided to described instrument from described main equipment between first voltage and second voltage.
10. method as claimed in claim 9, wherein, the step that is converted to the voltage signal of microcontroller further comprises: will be converted to expression is sent to the data of described instrument from described main equipment digital signal from the order switched voltage that described main equipment is provided to described instrument.
11. method as claimed in claim 10, wherein, the step that is converted to the voltage signal of microcontroller further comprises:
Described digital signal is input to described microcontroller; With
With the storage that transmits in tool memory equipment.
12. the method for claim 1, wherein transmitting the step of data comprises:
Between first value and second value, change by described main equipment and be provided in the voltage and current of described instrument at least one, so that data are sent to described main equipment from described instrument; With
Between first voltage and second voltage, be converted to the voltage signal of the microcontroller of described instrument, so that data are sent to described instrument from described main equipment.
13. the method for claim 1, wherein entering the step of communication pattern comprises: determine whether to be provided to the power level of described instrument less than predetermined threshold by described main equipment.
14. method as claimed in claim 13, wherein, the step that enters communication pattern further comprises: if described power level less than described threshold value, then enters described communication pattern.
15. the method for claim 1, wherein, the step of inserting described main equipment comprises: the connector of described main equipment is inserted in the described battery pack socket, and wherein, described connector seemingly also is connected to the telecommunication circuit of described main equipment in shape communicatedly with described detachable battery category.
16. one kind downloads to the method for data receiver with data from no electric wire electric power tool, described method comprises the following steps:
Shift out battery pack from described electric power tool;
To be connected mode identical in the described electric power tool with described battery pack basically, described data receiver is connected to described electric power tool, thereby described data receiver is connected at least one power end that is used in the operating period of described instrument described instrument being connected to the described electric power tool of described battery pack;
Sequence alternate is provided at least one in the voltage and current of described instrument by described data receiver between first value and second value, so that data are sent to described data receiver from described instrument; And
To be sent to the storage of described data receiver data reader from described instrument.
17. method as claimed in claim 16, wherein, sequence alternate is comprised by the step that described data receiver is provided to the voltage of described instrument: the voltage at the resistor two ends between first voltage and second voltage in the described instrument of sequence alternate.
18. method as claimed in claim 12, wherein, sequence alternate is further comprised by the step that described data receiver is provided to the voltage of described instrument: as the result of the voltage at the described instrument resistor of sequence alternate two ends, the voltage at the resistor two ends between first voltage and second voltage in the described data receiver of sequence alternate.
19. method as claimed in claim 18, wherein, sequence alternate is further comprised by the step that described data receiver is provided to the voltage of described instrument: the digital signal that the voltage transitions of described data receiver resistor two ends sequence alternate is sent to the data of described data receiver for expression from described instrument.
20. method as claimed in claim 19, wherein, storage comprises from the step that described instrument is sent to the data of described data receiver:
Described digital signal is sent to described data reader; With
With described storage in the memory devices of described data reader.
21. one kind is used for data are uploaded to the method for no electric wire electric power tool from programming device, described method comprises the following steps:
Shift out battery pack from described electric power tool;
With with in described electric power tool, connect the identical mode of described battery pack, described programming device is connected to described electric power tool, thereby described programming device is connected at least one power end of described instrument, and described power end is used in the operating period of described instrument described instrument being connected to power supply;
Sequence alternate is to the voltage signal of the microcontroller of described instrument, so that data are sent to described instrument from described programming device between first value and second value; And
To be sent to the storage of described instrument the memory devices of described instrument from described programming device.
22. method as claimed in claim 21, wherein, sequence alternate to the step of the voltage signal of described microcontroller comprises: order is switched the voltage that is provided to described instrument from described programming device between first voltage and second voltage.
23. method as claimed in claim 22, wherein, sequence alternate to the step of the voltage signal of described microcontroller further comprises: will be converted to expression is sent to the data of described instrument from described programming device digital signal from the order switched voltage that described programming device is provided to described instrument.
24. method as claimed in claim 23, wherein, storage comprises from the step that described programming device is sent to the data of described instrument: described digital signal is input to described microcontroller.
25. one kind is used for data are sent to no electric wire electric power tool and transmit the system of data from no electric wire electric power tool, described system comprises:
Main equipment is suitable for exchanging so that described main equipment is connected at least one power end of described instrument with the detachable battery group of described instrument, and wherein, described battery pack is used for powering to described electric power tool in the operating period of described electric power tool;
Be included in first telecommunication circuit in the described instrument, be suitable between first value and second value changing and be provided to the voltage of described instrument, so that data are sent to described main equipment from described instrument by described main equipment; And
Be included in the second communication circuit in the described main equipment, be suitable between first value and second value, changing to the voltage signal of the microcontroller of described instrument, so that data are sent to described instrument from described main equipment.
26. system as claimed in claim 25, wherein, described first telecommunication circuit comprises first resistor and microcontroller, and described microcontroller is suitable for the voltage at the described first resistor two ends of sequence alternate between first voltage and second voltage.
27. system as claimed in claim 26, wherein, described second communication circuit comprises second resistor, wherein, as the result of the voltage at the described first resistor two ends of sequence alternate, the voltage at the described second resistor two ends of sequence alternate between first voltage and second voltage.
28. system as claimed in claim 27, wherein, described second communication circuit further comprises difference channel, is suitable for the voltage transitions of the described second resistor two ends sequence alternate is sent to from described instrument for expression the digital signal of the data of described main equipment.
29. system as claimed in claim 28, wherein, described second communication circuit further comprises memory devices and data reader, described data reader be suitable for receiving described digital signal and with described storage in described memory devices.
30. system as claimed in claim 28, wherein, described second communication circuit is further adapted for and is connected to remote computer devices, and described remote computer devices is suitable for receiving described digital signal and stores described data.
31. system as claimed in claim 25, wherein, described second communication circuit comprises voltage conversion apparatus, is suitable for switching in proper order between first voltage and second voltage voltage that is provided to described first telecommunication circuit from described second communication circuit.
32. system as claimed in claim 31, wherein, described first telecommunication circuit comprises the voltage transitions testing circuit, and the order switched voltage that is suitable for being provided to described first telecommunication circuit from described second communication circuit is converted to expression is sent to the data of described instrument from described main equipment digital signal.
33. system as claimed in claim 32, wherein, described first telecommunication circuit further comprises memory devices, wherein, described microcontroller be suitable for receiving described digital signal and the storage that will represent thus in described memory devices.
34. system as claimed in claim 25, wherein, described main equipment comprises the detachable battery group that comprises described second communication circuit.
35. system as claimed in claim 25, wherein, described main equipment comprises the connector that is connected to the computer based equipment that comprises telecommunication circuit communicatedly, and described connector is similar with described battery pack in shape.
36. system as claimed in claim 26, wherein, described microcontroller is further adapted for determines whether the power that is provided to described first telecommunication circuit by described second communication circuit is lower than intended threshold level.
37. system as claimed in claim 36 wherein, is lower than described predetermined level if described microcontroller is further adapted for described power level, then enters communication pattern.
38. one kind is suitable for the no electric wire electric power tool of communicating by letter with data transfer equipment, described instrument comprises:
The detachable battery group is used for when described instrument is in operator scheme to described instrument power supply;
The battery pack socket is suitable for keeping interchangeably battery pack or data transfer equipment;
At least one power end in the described socket is suitable for being connected to described battery pack when described instrument is in described operator scheme, and is connected to described data transfer equipment when described instrument is in communication pattern; And
First telecommunication circuit is contained in the described electric power tool and is connected to described power end, and described first telecommunication circuit is suitable for communicating by letter with described data transfer equipment on described power end.
39. instrument as claimed in claim 38, wherein, described first telecommunication circuit is further adapted for the voltage that sequentially changes the resistor two ends in the described data transfer equipment between first value and second value, so that data are sent to described data transfer equipment from described instrument.
40. instrument as claimed in claim 39, wherein, described first telecommunication circuit comprises microcontroller, described microcontroller is suitable for the voltage at the resistor two ends in described first telecommunication circuit of sequence alternate between first voltage and second voltage, thereby sequentially change the voltage at the resistor two ends in the described data transfer equipment, so that data are sent to described data transfer equipment from described instrument.
41. instrument as claimed in claim 40, wherein, described first telecommunication circuit further comprises memory devices, and wherein, described microcontroller be suitable for receiving described digital signal and the storage that will represent thus in described memory devices.
42. instrument as claimed in claim 38, wherein, described first telecommunication circuit is further adapted for the voltage that is received in order conversion between first voltage and second voltage from described data transfer equipment, so that data are sent to described instrument from described data transfer equipment.
43. instrument as claimed in claim 42, wherein, described first telecommunication circuit further comprises the voltage transitions testing circuit, is suitable for being sent to the digital signal of the data of described instrument from the voltage transitions that the order that described data transfer equipment receives is changed from described main equipment for expression.
44. instrument as claimed in claim 38, wherein, described main equipment comprises the detachable battery group that comprises the second communication circuit.
45. instrument as claimed in claim 38, wherein, described main equipment comprises connector, is connected to the computer based equipment that comprises telecommunication circuit communicatedly, and described connector is similar with described battery pack basically in shape.
46. instrument as claimed in claim 40, wherein, whether described microcontroller is further adapted for definite power that is provided to described first telecommunication circuit by the second communication circuit less than intended threshold level, and described second communication circuit is included in the described main equipment.
47. instrument as claimed in claim 46 wherein, if described microcontroller is further adapted for described power level less than described predetermined level, then enters communication pattern.
48. instrument as claimed in claim 38, wherein, described telecommunication circuit is further adapted for:
Between first value and second value, sequentially change the voltage at the resistor two ends in the described data transfer equipment, so that data are sent to described data transfer equipment from described instrument; With
Be received in the voltage that order is changed between first voltage and second voltage from described data transfer equipment, so that data are sent to described instrument from described data transfer equipment.
49. a method that is used for transmitting data between no electric wire electric power tool and main equipment, described method comprises the following steps:
Described main equipment is inserted in the battery pack socket of described electric power tool, so that described main equipment is connected at least one battery-end of described instrument, wherein, described battery pack socket is suitable for keeping the detachable battery group during the tool operation pattern;
Determine whether to be provided to the power level of described instrument less than predetermined threshold by described main equipment;
If described power level less than described threshold value, then enters communication pattern; And
In case enter described communication pattern, then between described electric power tool and main equipment, transmit data.
50. method as claimed in claim 49, wherein, the step of inserting described main equipment comprises: the detachable battery group that will comprise telecommunication circuit is inserted in the described battery pack socket, and wherein, described battery pack is used for during described tool operation pattern to described instrument power supply.
51. method as claimed in claim 49, wherein, the step of inserting described main equipment comprises: the connector of described main equipment is inserted in the described battery pack socket, wherein, described connector seemingly also is connected to the telecommunication circuit of described main equipment in shape substantially communicatedly with described detachable battery category.
52. method as claimed in claim 49, wherein, the step of described transmission data comprises: in case enter described communication pattern, immediately from described instrument to described main equipment data download.
53. method as claimed in claim 49, wherein, the step of described transmission data comprises: in case enter described communication pattern, upload data to described instrument from described main equipment immediately.
54. method as claimed in claim 49, wherein, the step of described transmission data comprises: in case enter described communication pattern, exchange bidirectional data transfers immediately between described main equipment and instrument.
55. method as claimed in claim 49, wherein, the step of described transmission data comprises: if start the operator scheme of instrument, then suspend the transmission of data.
56. method that between no electric wire electric power tool and main equipment, transmits data, wherein, described no electric wire electric power tool has the socket that has the power end joint, the detachable battery group is suitable for being connected to described socket, so that be electrically connected with the internal module of communicating by letter with described power end joint with described power end joint, described method comprises the following steps:
Shift out described battery pack from the socket of described instrument;
At least a portion of main equipment is coupled to the power end joint of described instrument; And
Use described main equipment to be convenient to transmission information between the module in described main equipment and described instrument.
57. method as claimed in claim 56, wherein, the step that the part of described main equipment is coupled to described power end joint comprises: described main equipment is inserted in the described socket, and wherein, described main equipment is similar substantially with described battery pack in shape.
58. method as claimed in claim 57, wherein, the step of inserting described main equipment comprises: the detachable battery group that will comprise telecommunication circuit is inserted in the described battery pack socket, and wherein, described battery pack is with being used for during the tool operation pattern to described instrument power supply.
59. method as claimed in claim 58, wherein, the step of inserting described main equipment comprises: the connector of described main equipment is inserted in the described battery pack socket, wherein, described connector seemingly also is connected to the telecommunication circuit of described main equipment in shape substantially communicatedly with described detachable battery category.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76894704A | 2004-01-30 | 2004-01-30 | |
| US10/768,947 | 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 |
| US10/812,521 | 2004-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1651197A true CN1651197A (en) | 2005-08-10 |
| CN100407216C CN100407216C (en) | 2008-07-30 |
Family
ID=34657418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100064108A Expired - Fee Related CN100407216C (en) | 2004-01-30 | 2005-01-31 | System and method for communicating over power terminals in cordless DC tools |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1559511A3 (en) |
| JP (1) | JP2005212097A (en) |
| CN (1) | CN100407216C (en) |
| AU (1) | AU2005200268A1 (en) |
| NZ (1) | NZ537869A (en) |
| TW (1) | TWI264352B (en) |
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| CN114175512A (en) * | 2019-09-23 | 2022-03-11 | 喜利得股份公司 | Robust communication |
| CN114175512B (en) * | 2019-09-23 | 2023-08-11 | 喜利得股份公司 | Robust communication |
| WO2021203237A1 (en) * | 2020-04-07 | 2021-10-14 | 博世电动工具（中国）有限公司 | Removable power battery, electric tool, communication terminal, data transfer method, and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2005200268A1 (en) | 2005-08-18 |
| EP1559511A3 (en) | 2010-05-05 |
| EP1559511A2 (en) | 2005-08-03 |
| TWI264352B (en) | 2006-10-21 |
| TW200536688A (en) | 2005-11-16 |
| NZ537869A (en) | 2005-10-28 |
| JP2005212097A (en) | 2005-08-11 |
| CN100407216C (en) | 2008-07-30 |
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