CN102183950A - ECU (electronic control unit) data flashing device - Google Patents
ECU (electronic control unit) data flashing device Download PDFInfo
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- CN102183950A CN102183950A CN 201110067531 CN201110067531A CN102183950A CN 102183950 A CN102183950 A CN 102183950A CN 201110067531 CN201110067531 CN 201110067531 CN 201110067531 A CN201110067531 A CN 201110067531A CN 102183950 A CN102183950 A CN 102183950A
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- ecu
- control unit
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Abstract
The invention provides an ECU data flashing device which belongs to the technical field of automobiles and can be used for solving the problem that the existing ECU data flashing device is low in efficiency and the components of the existing ECU data flashing device are easy to damage. The ECU data flashing device provided by the invention comprises a control terminal, a power supply and a power switch, wherein the control terminal is connected with an ECU and can carry out data flashing on the ECU; the power supply is used for supplying power for the ECU; the power switch is connected between the power supply and the ECU; and a buffer and an indicator are also connected between the power supply and the ECU, the indicator is used for reminding operating personnel of the power-up condition of the electronic control unit, the indicator is connected in series with the buffer and then connected in parallel with the power switch, and the buffer can carry out slow electric discharge after the power switch is on or off. The ECU data flashing device provided by the invention has the advantages of easiness in operation and high operating efficiency.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of data and write with a brush dipped in Chinese ink device, the data that relate in particular to a kind of electronic control unit ECU are write with a brush dipped in Chinese ink device.
Background technology
Electronic control unit ECU claims " car running computer " or " vehicle-mounted computer " again, it is a kind of microcomputerized controller of automobile specified, its function is according to the program of its internal memory and data the information of various sensor inputs to be calculated, handled and judges, then output order.It is an ingredient of automobile, automobile travel and use in play crucial effect.
Yet when engine was criticized product, the ECU hardware that electric injection system supplier provides was the bare machine that does not write data or program, as using this ECU hardware, needed operating personnel one by one ECU hardware to be carried out data and write with a brush dipped in Chinese ink.At present, electronic control unit ECU is carried out device that data write with a brush dipped in Chinese ink and generally comprise the switch that is used for to electronic control unit ECU carries out computer that data write with a brush dipped in Chinese ink, whether the power supply of powering for electronic control unit ECU and control electronic control unit ECU power on.Operating personnel on the streamline worktable can carry out on line with electronic control unit ECU one by one, open switch for after the electronic control unit ECU energising, are that ECU carries out data and writes with a brush dipped in Chinese ink by computer.Write with a brush dipped in Chinese ink and pull out the data that connecting line can carry out next ECU hardware after finishing and write with a brush dipped in Chinese ink.
But, when the computer video data is write with a brush dipped in Chinese ink when finishing, the delay that electronic control unit ECU then has data to preserve, if this moment cut-off switch, stop that power supply then may cause the loss of data of writing with a brush dipped in Chinese ink and need repeat work to ECU, reduced work efficiency.And present data are write with a brush dipped in Chinese ink device does not have suitable safeguard measure; if directly electronic control unit ECU is attached to power supply by switch; operating personnel then may produce the big electric current of induction and cause infringement to electronic control unit ECU when carrying out switching manipulation, reduce its serviceable life.
Summary of the invention
The objective of the invention is the problems referred to above at the prior art existence; the data that proposed a kind of ECU are write with a brush dipped in Chinese ink device; these data are write with a brush dipped in Chinese ink device and can effectively be protected electronic control unit ECU can not be subjected to the impact of big electric current, and can point out after electronic control unit ECU preserves ED.
Purpose of the present invention can realize by following technical proposal: the data of a kind of ECU are write with a brush dipped in Chinese ink device, comprise and be used for linking with electronic control unit ECU and carrying out the control terminal that data are write with a brush dipped in Chinese ink it, be used for the power supply that electronic control unit ECU is powered and be connected in power supply and electronic control unit ECU between power switch, it is characterized in that, the indicator that also is connected with impact damper between described power supply and the electronic control unit ECU and is used to remind operating personnel's electronic control unit ECU energising situation, described indicator be in parallel with power switch again after impact damper is connected, described impact damper can be at power switch closed or disconnect after slowly discharge.
Operating personnel begin electronic control unit ECU is carried out data when writing with a brush dipped in Chinese ink, and other building blocks of the data of the respective pins of electronic control unit ECU and this ECU being write with a brush dipped in Chinese ink in the device by lead link earlier.Turn-on power switch again, at this moment, power supply by after the buffering of impact damper to electronic control unit ECU power supply, indicator reminds operating personnel's electronic control unit ECU to power on.Then, operating personnel can carry out data to electronic control unit ECU by the operation control terminal and write with a brush dipped in Chinese ink, after the control terminal video data is write with a brush dipped in Chinese ink and is finished, and disconnecting power switch.At this moment, impact damper slowly discharges, electronic control unit ECU keeps the "on" position line data of going forward side by side to preserve, when the impact damper discharge finishes, electronic control unit ECU preserves ED, indicator is reminded operating personnel's electronic control unit ECU outage, and operating personnel can extract the connecting conducting wire of this electronic control unit ECU, carry out the data of next electronic control unit ECU and write with a brush dipped in Chinese ink.
Write with a brush dipped in Chinese ink in the device in the data of above-mentioned a kind of ECU, described impact damper is a relay, the coil of described relay is connected between power supply and the electronic control unit ECU, is in parallel with the coil of above-mentioned relay after the normally opened contact of described relay and indicator are in series again.According to Lenz law as can be known, coil can produce induction current thereon and cause this faradic reason with resistance when electric current is undergone mutation, promptly stop electric current to be undergone mutation, and has the characteristics of buffering.When the coil electricity of relay, the normally opened contact closure, indicator is reminded energising; When the coil blackout of relay, normally opened contact disconnects, and indicator is reminded outage.
Write with a brush dipped in Chinese ink in the device in the data of above-mentioned a kind of ECU, the coil place of described relay also is parallel with a diode, and the direction of described diode is opposite with power supply.When power switch has action to make that the electric current that flows through relay coil is undergone mutation, it is constant that this coil generation electromotive force is kept electric current, because of this electromotive force excessive, for preventing other components and parts in breakdown switch or the damage circuit, a diode in parallel provides a passage of releasing to electromotive force at the coil place.
Write with a brush dipped in Chinese ink in the device in the data of above-mentioned a kind of ECU, described indicator is a display lamp.During electronic control unit ECU energising, display lamp is lighted; During electronic control unit ECU outage, display lamp extinguishes.
Write with a brush dipped in Chinese ink in the device in the data of above-mentioned a kind of ECU, described indicator is a hummer.During electronic control unit ECU energising, the hummer sounding; During electronic control unit ECU outage, hummer stops sounding.
Write with a brush dipped in Chinese ink in the device in the data of above-mentioned a kind of ECU, described data are write with a brush dipped in Chinese ink device and are also comprised the test panel that is arranged on the worktable, described power switch is a touch-switch, and this touch-switch is arranged at above-mentioned test panel place, and the shift knob of touch-switch exceeds the upper surface of test panel.When a certain electronic control unit ECU being carried out data when writing with a brush dipped in Chinese ink, this ECU hardware is positioned on the test panel, depress the shift knob of touch-switch, the touch-switch conducting.Data are write with a brush dipped in Chinese ink when finishing, and ECU takes away with electronic control unit, and the shift knob of touch-switch automatically replies, and switch disconnects.
Write with a brush dipped in Chinese ink in the device in the data of above-mentioned a kind of ECU, described power switch place also is connected with fuse.Fuse is used for holding circuit, avoids the heavy current impact circuit and causes the circuit ingredient to damage.
Compared with prior art, the data of this ECU are write with a brush dipped in Chinese ink device and are had the following advantages:
1, the data of this ECU are write with a brush dipped in Chinese ink the coil that is provided with relay between power supply in the device and the electronic control unit ECU and are used for current break is cushioned, and effectively protect ECU not to be subjected to heavy current impact, and provide phase buffer for ECU preserves data.Simultaneously, can in time remind operating personnel in electronic control unit ECU outage back with the indicator that the normally opened contact of relay is in series, avoided operating personnel to miss and pulled out lead, caused loss of data and repeat the situation of work, improved work efficiency because of the "on" position of not understanding ECU.
2, to write with a brush dipped in Chinese ink the power switch in the device be touch-switch to the data of this ECU, directly electronic control unit ECU is placed on it when needing conducting to get final product, and also only need take away ECU when needing to disconnect, simple to operation.
Description of drawings
Fig. 1 is the structural representation that the data of this ECU are write with a brush dipped in Chinese ink device.
Among the figure, 1, electronic control unit ECU; 2, control terminal; 3, power supply; 4, power switch; 5, impact damper; 51, coil; 52, normally opened contact; 6, indicator; 7, diode; 8, test panel; 9, fuse.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, the data of this ECU are write with a brush dipped in Chinese ink device and are comprised and be used for linking with electronic control unit ECU1 and can carry out control terminal 2 that data write with a brush dipped in Chinese ink to it, the power supply 3 that is used for electronic control unit is powered, be used to control power switch 4 that electronic control unit ECU1 whether switch on, be arranged at test panel 8, the impact damper 5 on the streamline worktable and be used to remind the switch on indicator 6 of situation of operating personnel's electronic control unit ECU1.Wherein, power supply 3, power switch 4 and electronic control unit ECU1 connect successively and form the loop, and impact damper 5 and indicator 6 in series are connected between power supply 3 and the electronic control unit ECU1, and promptly impact damper 5 is with in parallel with power switch 4 again after indicator 6 is connected.Impact damper 5 can slowly discharge after power switch 4 disconnections or closure.
In the present embodiment, control terminal 2 is a computer, impact damper 5 is a relay, indicator 6 is a display lamp, the two ends of relay coil 51 are joining power 3 and electronic control unit ECU1 respectively, display lamp be connected in again between power supply 3 and the electronic control unit ECU1 after the normally opened contact 52 of relay is connected, promptly display lamp be in parallel with the coil 51 of relay again after normally opened contact 52 is connected.Power switch 4 is a touch-switch, and the shift knob that is arranged at test panel 8 places and this touch-switch exceeds the upper surface of test panel 8.Simultaneously, for holding circuit can not be subjected to the impact of big electric current, also be connected with a fuse 9 at power switch 4 places.
Operating personnel begin a certain electronic control unit ECU1 is carried out data when writing with a brush dipped in Chinese ink, and can be earlier the pin of ECU be connected to notebook data by connecting wire and write with a brush dipped in Chinese ink corresponding building block place in the device.After the lead connection is finished, electronic control unit ECU1 to be write with a brush dipped in Chinese ink is placed on the worktable test panel 8, the shift knob of touch-switch is subjected to pushing of electronic control unit ECU1 and moves downward turning circuit.At this moment, power supply 3 begins electronic control unit ECU1 is switched on, and the voltage that electronic control unit ECU1 then controls with the union end of relay coil 51 and display lamp descends, and forms pressure reduction between the power supply 3, makes coil 51 energisings of relay.In this simultaneously, normally opened contact 52 closures of this relay, the display lamp energising is lighted, and reminds operating personnel, and this moment, electronic control unit ECU1 was in "on" position.In the galvanization of electronic control unit ECU1, the coil 51 of relay produces the sudden change that induction electromotive force stops electric current in the touch-switch conducting, realizes slowly discharge then, prevents that electronic control unit ECU1 is subjected to the impact of big electric current.
Then, operating personnel can carry out data by operation control terminal 2 couples of electronic control unit ECU1 and write, and write with a brush dipped in Chinese ink when finishing when the computer video data, and operating personnel can pick up the electronic control unit ECU1 on the test panel 8.At this moment, the shift knob of touch-switch resets, and circuit disconnects.Similarly, the coil 51 of relay can produce induction electromotive force to stop the variation of electric current, and the electronic control unit ECU1 of this moment also is in data and preserves the stage.Preserve when the data of electronic control unit ECU1 and to finish and the discharge of relay coil 51 when finishing, the normally opened contact 52 of relay disconnects, and at this moment, display lamp extinguishes.Operating personnel are seeing after display lamp extinguishes and can write with a brush dipped in Chinese ink the lead of device and extract so that next electronic control unit ECU1 is carried out data and write with a brush dipped in Chinese ink connecting electronic control unit ECU1 and notebook data, can avoid to understand the situation of the too early or excessively slow break line connection of energising situation of ECU like this because of operating personnel, need not to do over again, improved work efficiency.
According to Lenz law as can be known, when power switch 4 had action to make that the electric current that flows through relay coil 51 is undergone mutation, it is constant that these coil 51 meeting generation induction electromotive forces are kept electric current.Yet excessive because of this induction electromotive force, for preventing other components and parts in breakdown switch or the damage circuit, the data of this ECU are write with a brush dipped in Chinese ink device also at coil 51 two ends of a relay diode 7 in parallel, and the electromotive force of producing for coil 51 provides a passage of releasing.The direction of this diode 7 is opposite with the direction of power supply 3, and the data that can not influence this ECU are write with a brush dipped in Chinese ink the operate as normal of device.
In addition, indicator 6 also can use hummer, when electronic control unit ECU1 switches on, and the hummer sounding; During electronic control unit ECU1 outage, hummer stops sounding.In the streamline course of work, the lead of above connection usefulness can be formed wire harness, and be provided at the wire harness two ends writing with a brush dipped in Chinese ink plug or the socket that matches in the building block junction of device with this ECU data, make things convenient for data to write with a brush dipped in Chinese ink connecting line plug in the process.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. the data of an ECU are write with a brush dipped in Chinese ink device, comprise and be used for linking with electronic control unit ECU (1) and carrying out the control terminal (2) that data are write with a brush dipped in Chinese ink it, be used for the power supply (3) that electronic control unit ECU (1) is powered and be connected in power supply (3) and electronic control unit ECU (1) between power switch (4), it is characterized in that, the indicator (6) that also is connected with impact damper (5) between described power supply (3) and the electronic control unit ECU (1) and is used to remind operating personnel's electronic control unit ECU (1) energising situation, described indicator (6) be in parallel with power switch (4) again after impact damper (5) is connected, described impact damper (5) can be at power switch (4) closed or disconnect after slowly discharge.
2. the data of a kind of ECU according to claim 1 are write with a brush dipped in Chinese ink device, it is characterized in that, described impact damper (5) is a relay, the coil of described relay (51) is connected between power supply (3) and the electronic control unit ECU (1), is in parallel with the coil (51) of above-mentioned relay after the normally opened contact of described relay (52) and indicator (6) are in series again.
3. the data of a kind of ECU according to claim 2 are write with a brush dipped in Chinese ink device, it is characterized in that, the coil of described relay (51) locates also to be parallel with a diode (7), and the direction of described diode (7) is opposite with power supply (3).
4. write with a brush dipped in Chinese ink device according to the data of claim 1 or 2 or 3 described a kind of ECU, it is characterized in that, described indicator (6) is a display lamp.
5. write with a brush dipped in Chinese ink device according to the data of claim 1 or 2 or 3 described a kind of ECU, it is characterized in that, described indicator (6) is a hummer.
6. write with a brush dipped in Chinese ink device according to the data of claim 1 or 2 or 3 described a kind of ECU, it is characterized in that, described data are write with a brush dipped in Chinese ink device and are also comprised the test panel (8) that is arranged on the worktable, described power switch (4) is a touch-switch, this touch-switch is arranged at above-mentioned test panel (8) and locates, and the shift knob of touch-switch exceeds the upper surface of test panel (8).
7. write with a brush dipped in Chinese ink device according to the data of claim 1 or 2 or 3 described a kind of ECU, it is characterized in that, described power switch (4) locates also to be connected with fuse (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110067531 CN102183950B (en) | 2011-03-21 | 2011-03-21 | ECU (electronic control unit) data flashing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110067531 CN102183950B (en) | 2011-03-21 | 2011-03-21 | ECU (electronic control unit) data flashing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102183950A true CN102183950A (en) | 2011-09-14 |
| CN102183950B CN102183950B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110067531 Active CN102183950B (en) | 2011-03-21 | 2011-03-21 | ECU (electronic control unit) data flashing device |
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| Country | Link |
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| CN (1) | CN102183950B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722119A (en) * | 2012-05-31 | 2012-10-10 | 深圳市元征科技股份有限公司 | Automobile ECU (Electronic Control Unit) flash device |
| CN113419749A (en) * | 2021-07-07 | 2021-09-21 | 江铃汽车股份有限公司 | ECU data flashing system and flashing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124848A (en) * | 1994-02-28 | 1996-06-19 | 东芝株式会社 | Data processing device |
| CN2550880Y (en) * | 2002-06-14 | 2003-05-14 | 铼德科技股份有限公司 | Non-volatile storage device with laser indication function |
| JP2005327210A (en) * | 2004-05-17 | 2005-11-24 | Denso Corp | Electronic device |
| WO2009015285A1 (en) * | 2007-07-25 | 2009-01-29 | Agiga Tech Inc | Hybrid nonvolatile ram |
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2011
- 2011-03-21 CN CN 201110067531 patent/CN102183950B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124848A (en) * | 1994-02-28 | 1996-06-19 | 东芝株式会社 | Data processing device |
| CN2550880Y (en) * | 2002-06-14 | 2003-05-14 | 铼德科技股份有限公司 | Non-volatile storage device with laser indication function |
| JP2005327210A (en) * | 2004-05-17 | 2005-11-24 | Denso Corp | Electronic device |
| WO2009015285A1 (en) * | 2007-07-25 | 2009-01-29 | Agiga Tech Inc | Hybrid nonvolatile ram |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722119A (en) * | 2012-05-31 | 2012-10-10 | 深圳市元征科技股份有限公司 | Automobile ECU (Electronic Control Unit) flash device |
| CN102722119B (en) * | 2012-05-31 | 2014-12-03 | 深圳市元征科技股份有限公司 | Automobile ECU (Electronic Control Unit) flash device |
| CN113419749A (en) * | 2021-07-07 | 2021-09-21 | 江铃汽车股份有限公司 | ECU data flashing system and flashing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102183950B (en) | 2012-12-05 |
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