CN202372199U - Indication calibrating device of automobile instrument - Google Patents
Indication calibrating device of automobile instrument Download PDFInfo
- Publication number
- CN202372199U CN202372199U CN2011205498744U CN201120549874U CN202372199U CN 202372199 U CN202372199 U CN 202372199U CN 2011205498744 U CN2011205498744 U CN 2011205498744U CN 201120549874 U CN201120549874 U CN 201120549874U CN 202372199 U CN202372199 U CN 202372199U
- Authority
- CN
- China
- Prior art keywords
- instrument
- motor
- utility
- model
- numerical value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses an indication calibrating device of an automobile instrument, which comprises an instrument controller, a memory, a stepping motor, and an instrument pointer controlled by the stepping motor, wherein the instrument controller is connected with the memory; and an output end of the instrument controller is connected with the stepping motor. By using the structure, the indication calibrating device disclosed by the utility model has the following advantages that: 1, motor step values of multiple scale points of the instrument are firstly calibrated and then a scale value between each two adjacent scale points is calibrated, so that the accuracy of the indicating scale of the instrument pointer is guaranteed; and 2, the indication calibrating device disclosed by the utility model is suitable for multiple automobile instruments.
Description
Technical field
The utility model relates to the automobile instrument technical field, particularly a kind of indication calibration equipment of automobile instrument.
Background technology
Automobile instrument adopts pointer-type more at present, is realized the indication of each meter pointer by stepper motor drive finger.But since the machinery assembling, instrument table board, othernesses such as motor, when producing, if the number of motor steps of each scale of instrument is not adjusted control, that will cause each the gauge outfit indication of each instrument that the comparison large deviation is arranged, and the pointer pointing accuracy is poor, influences client's judgement.
The utility model content
The utility model technical matters to be solved is to the deficiency of prior art, the indication calibration equipment of the high automobile instrument of a kind of pointer pointing accuracy to be provided.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of indication calibration equipment of automobile instrument; The gauge pointer that comprises instrument controller, storer, stepper motor, step motor control; Described instrument controller is connected with storer, and the output terminal of described instrument controller is connected with stepper motor.
Described instrument controller adopts microprocessor MCU.
Described stepper motor is connected with said gauge pointer.
The utility model adopts said structure, has the following advantages: 1, earlier the motor step numerical value of a plurality of calibration points of instrument is calibrated, then whenever the scale value between adjacent two calibration points is calibrated, and has guaranteed the accurate precision of gauge pointer indicating graduation; 2, be suitable for multiple automobile instrument.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation;
Fig. 1 is the logical organization block diagram of the utility model;
Fig. 2 is the circuit structure diagram of the utility model;
Fig. 3 is the software flow pattern of a plurality of calibration points checking procedures in the utility model;
Fig. 4 is the checking procedure software flow pattern of scale value between the adjacent calibration points in the utility model;
In Fig. 1～Fig. 2,1, instrument controller; 2, storer; 3, stepper motor.
Embodiment
Indication calibration equipment like Fig. 1～a kind of automobile instrument shown in Figure 2; The gauge pointer that comprises instrument controller 1, storer 2, stepper motor 3, step motor control; Instrument controller 1 is connected with storer 2, and the output terminal of instrument controller 1 is connected with stepper motor 3.Instrument controller 1 adopts microprocessor MCU.MCU can adopt chip AT89C51.Stepper motor 3 is connected with said gauge pointer.
A kind of method of calibration of indication calibration equipment of automobile instrument, method may further comprise the steps:
A) the meter dial value is divided into a plurality of calibration points, and instrument controller reads the acquiescence motor step numerical value of first calibration points in the storer, and the control step motor is walked corresponding step number; Pointer is indicated to the corresponding position of this step number; If there is deviation the first calibration points position of pointer and instrument, promptly adjust motor step numerical value, consistent up to the pointer indication with first calibration points; And the motor step numerical value after will calibrating is written in the corresponding storage address unit acquiescence motor step numerical value before covering;
B) next calibration points is carried out the calibration like step a, up to the calibration of accomplishing a plurality of calibration points;
C) the motor step numerical value with the scale value between per two adjacent calibration points calculates.
Computing formula is among the step c: establish input signal X0 between X1 and X2, the motor step numerical value that X1 and X2 are corresponding is respectively Y1 and Y2, described input signal X0 motor step numerical value Y0=Y2+k (X0-X2) at this moment, wherein k=(Y1-Y2)/(X1-X2).
Shown in Figure 3 is the software flow pattern of a plurality of calibration points checking procedures in the utility model;
In step 100, step begins, and flow process gets into step 101;
In step 101, system communicates through diagnosis and instrument, and flow process gets into step 102;
In step 102, system sends diagnostic command, and instrument controller reads the acquiescence motor step numerical value of first calibration points in the storer, and flow process gets into step 103;
In step 103, instrument controller receives diagnostic command, and drive stepping motor is walked corresponding step number, and pointer is indicated to the corresponding position of this step number, and flow process gets into step 104;
In step 104, system's adjustment motor step numerical value sends adjusted number of motor steps through diagnosis, and flow process gets into step 105;
In step 105, instrument controller receives diagnostic command, and drive stepping motor is walked adjusted number of motor steps, and pointer is indicated to the corresponding position of this step number, and flow process gets into step 106;
In step 106, the motor step numerical value after the calibration is written in the corresponding storage address unit, the acquiescence motor step numerical value before covering, flow process gets into step 107;
In step 107, next calibration points is calibrated, up to the calibration of accomplishing a plurality of calibration points.
Fig. 4 is the checking procedure software flow pattern of scale value between the adjacent calibration points in the utility model;
In step 200, step begins, and flow process gets into step 201;
In step 201, detect external input signal, flow process gets into step 202;
In step 202, judge that this input signal is affiliated interval, flow process gets into step 203;
In step 203, calculate the corresponding motor step numerical value of this signal, flow process gets into step 204;
In step 204, the control step motor is walked corresponding step number.
The utility model is used for various automobile instrument gauge outfits, because each gauge outfit table board of automobile instrument all can have corresponding scale value, and like fuel gauge, full oil level F, 7/8,3/4,5/8,1/2,1/4, alarm set point, empty oil level E etc.With the fuel gauge is example.Choosing wherein, six calibration points expire oil level F, 3/4,1/2,1/4, alarm set point, empty oil level E as corresponding number of motor steps checkpoint.Wherein, full oil level F is first calibration points, and 3/4 oil level is second calibration points, and the like.In storer, corresponding input signal of these six calibration points and corresponding acquiescence motor step numerical value are being stored in corresponding address, when doing the number of motor steps verification, at first need communicate through diagnosis and instrument, begin communication.Diagnosis portion can be with reference to the KWP2000 diagnosing protocol.At first oil level F is expired in verification.After communicating by letter successfully, another sends diagnostic command then, contains the acquiescence motor step numerical value Y1 of full oil level F in this order.After instrument received this order, the control step motor was walked corresponding step number, and pointer is indicated to the corresponding position of this step number.If deviation is arranged with the full oil level F of scale of table board, promptly adjust the motor step numerical value in the diagnostic command, increase or reduce, consistent up to the pointer indication with scale mark.At this moment the motor step numerical value after will calibrating is written in the corresponding storage address unit, the default value Y1 before covering.Behind the intact scale of verification, the next checkpoint of verification and then is up to accomplishing all checkpoints.
After accomplishing the motor for instrument verification, instrument operation main control software.Detect external input signal X0 when instrument connects, main control software calculates judges that X0 is in the interval range of the corresponding input signal X of storer, reads the motor step numerical value of storer.In the interval range of an input signal X, motor step numerical value is done linear process.Calculate the corresponding motor step numerical value Y0 of input this moment like this.Between X1 and X2, so corresponding input signal motor step numerical value at this moment can calculate Y0=Y2+k (X0-X2), wherein k=(Y1-Y2)/(X1-X2) such as input signal X0.
Because Y1, motor step numerical value such as Y2 are the process verifications,, just can calculate the corresponding motor step numerical value of all external input signals relatively accurately through similar method.Thereby also just guaranteed corresponding certain input signal, the realization motor for instrument is accurately indicated.
Combine accompanying drawing that the utility model has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as the various improvement of having adopted the technical scheme of the utility model to carry out; Or directly apply to other occasion without improvement, all within the protection domain of the utility model.
Claims (3)
1. the indication calibration equipment of an automobile instrument; It is characterized in that: the gauge pointer that comprises instrument controller (1), storer (2), stepper motor (3), step motor control; Described instrument controller (1) is connected with storer (2), and the output terminal of described instrument controller (1) is connected with stepper motor (3).
2. the indication calibration equipment of a kind of automobile instrument according to claim 1 is characterized in that: described instrument controller (1) employing microprocessor MCU.
3. the indication calibration equipment of a kind of automobile instrument according to claim 1, it is characterized in that: described stepper motor (3) is connected with said gauge pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205498744U CN202372199U (en) | 2011-12-23 | 2011-12-23 | Indication calibrating device of automobile instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205498744U CN202372199U (en) | 2011-12-23 | 2011-12-23 | Indication calibrating device of automobile instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372199U true CN202372199U (en) | 2012-08-08 |
Family
ID=46595896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205498744U Expired - Lifetime CN202372199U (en) | 2011-12-23 | 2011-12-23 | Indication calibrating device of automobile instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519511A (en) * | 2011-12-23 | 2012-06-27 | 埃泰克汽车电子(芜湖)有限公司 | Indication verification apparatus of automobile instrument and verification method thereof |
| CN106404033A (en) * | 2016-08-03 | 2017-02-15 | 重庆盟讯电子科技有限公司 | Automobile instrument panel automatic detection system based on angle sensor |
| CN109470290A (en) * | 2018-10-31 | 2019-03-15 | 惠州华阳通用电子有限公司 | A kind of gauge pointer automatic calibrating method and device |
| CN111951708A (en) * | 2020-07-15 | 2020-11-17 | 东风电驱动系统有限公司 | Sectional scale dynamic display method and device |
-
2011
- 2011-12-23 CN CN2011205498744U patent/CN202372199U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519511A (en) * | 2011-12-23 | 2012-06-27 | 埃泰克汽车电子(芜湖)有限公司 | Indication verification apparatus of automobile instrument and verification method thereof |
| CN106404033A (en) * | 2016-08-03 | 2017-02-15 | 重庆盟讯电子科技有限公司 | Automobile instrument panel automatic detection system based on angle sensor |
| CN109470290A (en) * | 2018-10-31 | 2019-03-15 | 惠州华阳通用电子有限公司 | A kind of gauge pointer automatic calibrating method and device |
| CN111951708A (en) * | 2020-07-15 | 2020-11-17 | 东风电驱动系统有限公司 | Sectional scale dynamic display method and device |
| CN111951708B (en) * | 2020-07-15 | 2022-06-17 | 东风电驱动系统有限公司 | Sectional scale dynamic display method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102519511B (en) | Indication verification apparatus of automobile instrument and verification method thereof | |
| CN202372199U (en) | Indication calibrating device of automobile instrument | |
| CN206362297U (en) | A kind of displacement transducer demarcation loading attachment | |
| CN103234572A (en) | Check system for LabVIEW-based automobile instrument | |
| CN203241431U (en) | Ship-based ultrasonic wind meter | |
| CN107478382A (en) | A kind of manometer automatic detection device and its detection method | |
| CN107036517A (en) | A kind of displacement transducer demarcation loading attachment and scaling method | |
| EP4361792A1 (en) | Electronic display device for simulating mechanical display and data storage method thereof | |
| CN102914414B (en) | Vibration measuring instrument based on Android platform mobile phone and detection method thereof | |
| CN102101394B (en) | Method for accurately positioning absolute encoder and control device | |
| CN102288159A (en) | Method and device for determining the deflection of a tower | |
| CN112729371A (en) | Calibration system for sensor and calibration method thereof | |
| CN201828280U (en) | Automobile combination instrument | |
| CN203053469U (en) | Automobile instrument panel pointer automatic installation detecting apparatus | |
| CN203643817U (en) | Automobile instrument program write-in device based on three-axis positioning | |
| CN108613684A (en) | Three floating plateform systems determine base framework angular accuracy test method | |
| CN102928157B (en) | Calibration system and method for pressure sensor of flow integrator | |
| CN105865348A (en) | Displacement measurement correction device and method | |
| CN201876464U (en) | Intelligent multifunctional speed and displacement calibrating system | |
| CN202885809U (en) | Full-temperature compensated precise tilt angle sensor | |
| Ayyad et al. | Telemetry and data collection to improve formula SAE car | |
| CN201159653Y (en) | Automatic checking instrument of vehicle electronic instrument | |
| CN102506966B (en) | Correcting device for flow system | |
| CN107883981A (en) | Rotation type strapdown inertial navigation system angle measurement synchroballistic method based on double reading plotters | |
| CN202757614U (en) | Intelligent clinometer based on Control Area Network Open (CanOpen) field bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BOSCH AUTOMOBILE MULTIMEDIA (WUHU) CO., LTD. Free format text: FORMER OWNER: EITAIKE AUTOCAR ELECTRONICS (WUHU) CO., LTD. Effective date: 20131223 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 241000 WUHU, ANHUI PROVINCE TO: 241009 WUHU, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131223 Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 48 North Road Patentee after: BOSCH multimedia (Wuhu) Co., Ltd. Address before: 241000 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 48 North Road Patentee before: ATECH Automotive (Wuhu) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 48 North Road Patentee after: Bertek automotive electronics (Wuhu) Co., Ltd Address before: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 48 North Road Patentee before: Bosch Car Multimedia (Wuhu) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |