CN113419749A - ECU data flashing system and flashing method thereof - Google Patents
ECU data flashing system and flashing method thereof Download PDFInfo
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- CN113419749A CN113419749A CN202110766155.6A CN202110766155A CN113419749A CN 113419749 A CN113419749 A CN 113419749A CN 202110766155 A CN202110766155 A CN 202110766155A CN 113419749 A CN113419749 A CN 113419749A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
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- Engineering & Computer Science (AREA)
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- Computer Security & Cryptography (AREA)
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Abstract
The invention discloses an ECU (electronic control unit) flashing system and a flashing method thereof, wherein the system comprises a power supply, an ECU data flashing wire harness, ECU data flashing equipment and an ECU (electronic control unit), the power supply is connected with the ECU data flashing equipment and the ECU through the ECU data flashing wire harness, the ECU data flashing wire harness comprises a flashing interface circuit and a protection circuit, the flashing interface circuit is used for connecting the power supply with the ECU data flashing equipment and the ECU, the protection circuit is arranged between the power supply and the ECU data flashing equipment and the ECU and is used for preventing the ECU data flashing equipment or the ECU from being burnt out due to overlarge output current of the power supply, and the ECU data flashing equipment is used for flashing the ECU data into the ECU. The invention has the advantages of exquisite and convenient structure, convenient use and carrying, good applicability and high safety, can enable a user to easily realize the brushing operation of ECU data in an office, lightens the workload of the user, greatly improves the working efficiency, reduces the dependence on conditions such as fields and the like.
Description
Technical Field
The invention relates to the technical field of data flashing of electronic control units, in particular to an ECU data flashing system and a flashing method thereof.
Background
In a calibration test in a product development stage, a calibration engineer often needs to write different ECU data according to different test requirements. Before that, the ECU data is brushed only by connecting the ECU to an engine stand or a whole vehicle through the engine stand or the whole vehicle. The ECU data brushing on the rack is limited by the conditions of a field, a rack power supply and the like, so that more preliminary preparation work is caused, the time consumption is long, the normal rack test is delayed, and the working efficiency is low; moreover, the ECU is brushed on the whole vehicle, so that the whole vehicle is limited by vehicle resources, space and the like, the operation difficulty is high, and the use is inconvenient.
Traditional ECU fast flash equipment takes ECU off from the whole car, then carries out ECU data flash with ECU and computer lug connection through the ECU pencil, and the following problem exists when this type of ECU data flash equipment realizes quick, convenient flash: firstly, 220V commercial power is mostly adopted as a power supply, and when the fluctuation of a power grid is large or a circuit is short-circuited, an ECU is burnt out due to overlarge current; secondly, in dry weather, chemical fiber clothes worn by an operator and a human body are rubbed to generate electricity, shoes are dry and insulated from the ground, charges generated by rubbing are accumulated on the operator to form a large capacitor capable of walking, the voltage between the human body and the ground is higher and higher along with the increase of the charges, and when the ECU is used for brushing and writing, if the ECU is not insulated from the ground, the high voltage of several kilovolts is applied to components inside the ECU by the interface leads when the operator directly touches or touches a wire harness or pins through an instrument tool by hands, so that the ECU is damaged.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an ECU data flashing system and a flashing method thereof, which are used for solving the problem of ECU damage caused by power supply fluctuation or static electricity while realizing quick and convenient flashing of the ECU.
Disclosure of the invention
In order to solve the technical problems, the invention provides the following technical scheme:
an ECU (electronic control unit) flashing system comprises a power supply, an ECU data flashing wire harness, ECU data flashing equipment and an ECU;
the power supply is connected with the ECU data flashing device and the ECU through the ECU data flashing wire harness and is used for supplying power to the whole ECU flashing system;
the ECU data flashing wire harness comprises a flashing interface circuit and a protection circuit, the flashing interface circuit is used for connecting a power supply with ECU data flashing equipment and an ECU, and the protection circuit is arranged between the power supply and the ECU data flashing equipment and the ECU and is used for preventing the ECU data flashing equipment or the ECU from being burnt out due to overlarge output current of the power supply;
the ECU data flashing device is used for flashing ECU data into the ECU, and the ECU is used for receiving and storing the ECU data from the ECU data flashing device.
The flash interface circuit comprises a power interface, an OBD interface, an ECU interface and connecting wires among the three interfaces, wherein the power interface is used for connecting a power supply and supplying power to the ECU data flash system; the OBD interface is used for being connected with the ECU data flashing device, is responsible for communication between the ECU data flashing device and other components in the system and supplies power to the ECU data flashing device; the ECU interface is used for connecting an ECU which needs to write data in a flashing mode.
The protection circuit comprises a power adapter, a main relay and a fuse box, wherein the input end of the power adapter is connected with a power supply, the output end of the power adapter is connected with a power interface, the power interface is connected with the ECU and the ECU data writing equipment through the main relay and the fuse box, and provides power supply and ignition signals for the ECU and the ECU data writing equipment to realize communication between the ECU and the ECU data writing equipment; the main relay is used for providing 12V positive electrode power for the ECU; four mutually independent fuses are arranged in the fuse box and are respectively used for protecting an ECU positive electrode, an ECU normal electricity, an ECU ignition electricity and an OBD interface power supply, and the ECU or ECU data writing equipment is prevented from being burnt out due to overlarge power output current.
Preferably, the power supply is 220V alternating current power supply.
Preferably, the power adapter is a 220V AC-12V DC power adapter, and is used for converting a 220V alternating current power supply into a 12V direct current power supply.
An ECU data flashing method adopts the ECU flashing system in the technical scheme to flash data of an ECU, and comprises the following steps:
the method comprises the following steps: storing ECU data needing to be written into an SD card of ECU data writing equipment, and inserting the SD card into the ECU data writing equipment;
step two: the OBD interface is in butt joint with ECU data writing equipment, and the ECU interface is in butt joint with an ECU;
step three: connecting a 220V alternating current power supply with the input end of a power adapter, and connecting a power interface with the output end of the power adapter;
step four: and starting the ECU data flashing device to finish data flashing of the ECU.
(III) advantageous effects
The invention has the advantages of exquisite and convenient structure, convenient use and carrying, and reduced workload of users, has simple requirements on equipment of the station when writing blank ECU data on the whole vehicle production line, and only needs to be provided with the ECU data writing wiring harness, the power adapter and the ECU data writing equipment, thereby greatly improving the working efficiency and reducing the dependence on conditions such as fields and the like;
the training of operators is simpler, the operation is simple, convenient and quick, the operators only need to plug in an adapter power supply, the ECU data flashing equipment and the ECU are well connected, the ECU data flashing can be started by pressing a start button, and the ECU data flashing can be easily completed when an indicator lamp indicating that the flashing is successful is lightened, so that the production efficiency of the production line is improved;
when the calibration engineer swipes ECU data, the calibration engineer does not need to run onto an engine rack to wait for idle time of the rack or coordinate whole vehicle resources, and can easily finish ECU data swiping in the office, so that the preparation and waiting time is greatly reduced, the time of occupying the engine rack or a whole vehicle test is avoided, and the working comfort level is improved while the working efficiency is improved;
the invention has good applicability, all the components of the invention are connected by interfaces, and the power adapter and the ECU interface model can be correspondingly replaced according to the ECU model of the actual data to be flashed, thereby the invention is suitable for the ECU data flashing of various engines;
the safety device has higher safety, the main relay and the fuse box are arranged between the power interface and the ECU data writing equipment, so that the stability of the power supply current of the ECU and the ECU data writing equipment can be ensured under the condition of larger power supply fluctuation, and meanwhile, the fuse box can avoid the risk of ECU damage caused by short circuit or static electricity during writing operation of a power supply circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a connection relationship of an ECU data flashing system according to the present invention;
FIG. 2 is a schematic diagram of the ECU data flashing harness of the present invention;
FIG. 3 is a schematic diagram of a flash flow of the ECU data flash system of the present invention.
The reference numerals in the figures illustrate: 1. the ECU writes the wiring harness in a flashing manner; 101. a power interface; 102. a main relay; 103. a fuse box; 104. an OBD interface; 105. an ECU interface; 2. a power adapter; 3. ECU data flash equipment; 4. an ECU; 5. a power source.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
Example (b): see fig. 1-3.
As shown in fig. 1, an ECU flashing system of the present invention includes a power supply 5, an ECU data flashing harness 1, an ECU data flashing device 3, and an ECU 4;
the power supply 5 is connected with the ECU data flashing device 3 and the ECU4 through the ECU data flashing wire harness 1 and is used for supplying power to the whole ECU flashing system;
as shown in fig. 2, the ECU data flashing wire harness 1 includes a flashing interface line for connecting the power supply 5 with the ECU data flashing device 3 and the ECU4, and a protection line provided between the power supply 5 and the ECU data flashing device 3 and the ECU4 for preventing the ECU data flashing device 3 or the ECU4 from being burned out by an excessive output current of the power supply 5;
the ECU data flashing device 3 is configured to flash ECU data into the ECU4, and the ECU4 is configured to receive and store ECU data from the ECU data flashing device 3.
The flash interface circuit comprises a power interface 101, an OBD interface 104, an ECU interface 105 and connecting wires among the three interfaces, wherein the power interface 101 is used for connecting a power supply 5 and supplying power to the ECU data flash system; the OBD interface 104 is used for connecting the ECU data flashing device 3, and is responsible for communication between the ECU data flashing device 3 and other components in the system and supplying power to the ECU data flashing device 3; the ECU interface 105 is used to connect the ECU4 for data to be flashed.
The protection circuit comprises a power adapter 2, a main relay 102 and a fuse box 103, wherein the input end of the power adapter 2 is connected with a power supply 5, the output end of the power adapter 2 is connected with a power interface 101, the power interface 101 is connected with an ECU4 and ECU data writing equipment 3 through the main relay 102 and the fuse box 103, power supply and ignition signals are provided for the ECU4 and the ECU data writing equipment 3, and communication between the ECU4 and the ECU data writing equipment 3 is realized; the main relay 102 is used for providing 12V positive electrode power for the ECU 4; four mutually independent fuses are arranged in the fuse box 103 and are respectively used for protecting the ECU positive electrode, the ECU normal electricity, the ECU ignition electricity and the OBD interface power supply, and the ECU4 or the ECU data writing device 3 is prevented from being burnt out by overlarge output current of the power supply 5.
Preferably, the power supply 5 is a 220V ac power supply.
Preferably, the power adapter is a 220V AC-12V DC power adapter, and is used for converting a 220V alternating current power supply into a 12V direct current power supply.
Preferably, according to the ECU model of the actual data required to be written, the ECU interface model and the power adapter can be correspondingly replaced so as to meet the ECU data writing requirements of various engines.
Referring to fig. 3, based on the ECU data flashing system in the above embodiment, the flashing method includes the following steps:
the method comprises the following steps: storing ECU data needing to be written into an SD card of ECU data writing equipment, and inserting the SD card into the ECU data writing equipment;
step two: the OBD interface is in butt joint with ECU data writing equipment, and the ECU interface is in butt joint with an ECU;
step three: connecting a 220V alternating current power supply with the input end of a power adapter, and connecting a power interface with the output end of the power adapter;
step four: and starting the ECU data flashing device to finish data flashing of the ECU.
In conclusion, the ECU data flashing system is exquisite and convenient in structure, convenient to use and carry, and capable of reducing workload of a user, when blank ECU data are flashed on a whole vehicle production line, requirements on equipment of a station are simple, only an ECU data flashing wire harness, a power adapter and ECU data flashing equipment need to be equipped, working efficiency is greatly improved, and dependence on conditions such as a field is reduced; the training of operators is simpler, the operation is simple, convenient and quick, the operators only need to plug in an adapter power supply, the ECU data flashing equipment and the ECU are well connected, the ECU data flashing can be started by pressing a start button, and the ECU data flashing can be easily completed when an indicator lamp indicating that the flashing is successful is lightened, so that the production efficiency of the production line is improved; when the calibration engineer swipes ECU data, the calibration engineer does not need to run onto an engine rack to wait for idle time of the rack or coordinate whole vehicle resources, and can easily finish ECU data swiping in the office, so that the preparation and waiting time is greatly reduced, the time of occupying the engine rack or a whole vehicle test is avoided, and the working comfort level is improved while the working efficiency is improved; the safety device has higher safety, the main relay and the fuse box are arranged between the power interface and the ECU data writing equipment, so that the stability of the power supply current of the ECU and the ECU data writing equipment can be ensured under the condition of larger power supply fluctuation, and meanwhile, the fuse box can avoid the risk of ECU damage caused by short circuit or static electricity during writing operation of a power supply circuit.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a system is write by brush to ECU, includes power, ECU data write by brush pencil, ECU data write by brush equipment and ECU, its characterized in that:
the power supply is connected with the ECU data flashing device and the ECU through the ECU data flashing wire harness and is used for supplying power to the whole ECU flashing system;
the ECU data flashing wire harness comprises a flashing interface circuit and a protection circuit, the flashing interface circuit is used for connecting a power supply with ECU data flashing equipment and an ECU, and the protection circuit is arranged between the power supply and the ECU data flashing equipment and the ECU and is used for preventing the ECU data flashing equipment or the ECU from being burnt out due to overlarge output current of the power supply;
the ECU data flashing device is used for flashing ECU data into the ECU, and the ECU is used for receiving and storing the ECU data from the ECU data flashing device.
2. The ECU flash system according to claim 1, wherein the flash interface circuit comprises a power interface, an OBD interface, an ECU interface and connecting wires among the three interfaces, wherein the power interface is used for connecting a power supply to supply power for the ECU data flash system; the OBD interface is used for being connected with the ECU data flashing device, is responsible for communication between the ECU data flashing device and other components in the system and supplies power to the ECU data flashing device; the ECU interface is used for connecting an ECU which needs to write data in a flashing mode.
3. The ECU flashing system of claim 1, wherein the protection circuit comprises a power adapter, a main relay and a fuse box, wherein the input end of the power adapter is connected with a power supply, the output end of the power adapter is connected with a power interface, the power interface is connected with the ECU and the ECU data flashing device through the main relay and the fuse box, and provides power supply and ignition signals for the ECU and the ECU data flashing device, so that communication between the ECU and the ECU data flashing device is realized; the main relay is used for providing 12V positive electrode power for the ECU; four mutually independent fuses are arranged in the fuse box and are respectively used for protecting an ECU positive electrode, an ECU normal electricity, an ECU ignition electricity and an OBD interface power supply, and the ECU or ECU data writing equipment is prevented from being burnt out due to overlarge power output current.
4. An ECU flashing system as claimed in claim 1, wherein the power supply is a 220V ac power supply.
5. An ECU flashing system according to claim 3, wherein the power adapter is a 220V AC-12V DC power adapter for converting a 220V AC power source to a 12V DC power source.
6. An ECU data flashing method employing the ECU flashing system according to any one of claims 1 to 5, characterized by comprising the steps of:
the method comprises the following steps: storing ECU data needing to be written into an SD card of ECU data writing equipment, and inserting the SD card into the ECU data writing equipment;
step two: the OBD interface is in butt joint with ECU data writing equipment, and the ECU interface is in butt joint with an ECU;
step three: connecting a 220V alternating current power supply with the input end of a power adapter, and connecting a power interface with the output end of the power adapter;
step four: and starting the ECU data flashing device to finish data flashing of the ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110766155.6A CN113419749A (en) | 2021-07-07 | 2021-07-07 | ECU data flashing system and flashing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110766155.6A CN113419749A (en) | 2021-07-07 | 2021-07-07 | ECU data flashing system and flashing method thereof |
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| CN113419749A true CN113419749A (en) | 2021-09-21 |
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| CN202110766155.6A Pending CN113419749A (en) | 2021-07-07 | 2021-07-07 | ECU data flashing system and flashing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114461237A (en) * | 2022-02-18 | 2022-05-10 | 重庆市弘鼎圣科技有限公司 | Portable data flash device |
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| CN102183950A (en) * | 2011-03-21 | 2011-09-14 | 浙江吉利汽车研究院有限公司 | ECU (electronic control unit) data flashing device |
| CN205301990U (en) * | 2015-11-26 | 2016-06-08 | 道依茨一汽（大连）柴油机有限公司 | Electrical system experiment bench universal control module and experiment bench |
| CN206960954U (en) * | 2017-06-26 | 2018-02-02 | 江苏上淮动力有限公司 | A kind of simple system and device for engine read-write ECU data |
| CN211086994U (en) * | 2019-12-13 | 2020-07-24 | 一汽解放大连柴油机有限公司 | Portable data flash connecting device |
| CN112148307A (en) * | 2019-06-27 | 2020-12-29 | 广州汽车集团股份有限公司 | EMS (enhanced message service) flashing device, flashing method and system |
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2021
- 2021-07-07 CN CN202110766155.6A patent/CN113419749A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183950A (en) * | 2011-03-21 | 2011-09-14 | 浙江吉利汽车研究院有限公司 | ECU (electronic control unit) data flashing device |
| CN205301990U (en) * | 2015-11-26 | 2016-06-08 | 道依茨一汽（大连）柴油机有限公司 | Electrical system experiment bench universal control module and experiment bench |
| CN206960954U (en) * | 2017-06-26 | 2018-02-02 | 江苏上淮动力有限公司 | A kind of simple system and device for engine read-write ECU data |
| CN112148307A (en) * | 2019-06-27 | 2020-12-29 | 广州汽车集团股份有限公司 | EMS (enhanced message service) flashing device, flashing method and system |
| CN211086994U (en) * | 2019-12-13 | 2020-07-24 | 一汽解放大连柴油机有限公司 | Portable data flash connecting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114461237A (en) * | 2022-02-18 | 2022-05-10 | 重庆市弘鼎圣科技有限公司 | Portable data flash device |
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