CN202661079U - Speed ratio parameter regulator for digital combination instrument - Google Patents
Speed ratio parameter regulator for digital combination instrument Download PDFInfo
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- CN202661079U CN202661079U CN 201220147256 CN201220147256U CN202661079U CN 202661079 U CN202661079 U CN 202661079U CN 201220147256 CN201220147256 CN 201220147256 CN 201220147256 U CN201220147256 U CN 201220147256U CN 202661079 U CN202661079 U CN 202661079U
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- speed ratio
- instrument
- ratio parameter
- control circuit
- adjustment
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- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 230000008520 organization Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Abstract
The utility model discloses a speed ratio parameter regulator for a digital combination instrument, which adjusts different speed ratio parameters of instruments with the same model on site. The speed ratio parameter regulator for the digital combination instrument comprises a singlechip, a liquid crystal display connected with the output control end of the singlechip, and an adjustment control circuit which is arranged between positive and negative power supplies and consists of a resistor R1, an adjusting key K1, a resistor R2 and a setting key K2 which are respectively connected in series and in parallel; a serial node in two serial circuits in the adjustment control circuit is connected to the input/output control end of the singlechip and is connected with a control circuit of a digital automobile combination instrument by a communication interface. According to the speed ratio parameter regulator, the instrument can be produced according to the same parameter, and the parameter can be changed and set according to the needs during loading, so that the instrument of the same model is suitable for various vehicle types, and the problems of the confusion caused by diversified varieties and easily caused error in the manufacturing and mounting processes can be reduced. The speed ratio parameter regulator for the digital combination instrument has the advantages of novel and unique concept, compact and reasonable structural design, simple production, convenience in adjustment, stable and reliable working performance, wide prospect and suitableness for popularization.
Description
Technical field: the utility model relates to a kind of adjustment instrument, particularly relates to a kind of combined digital automobile meter in auto producer entrucking process, the different speed ratio configuration parameters of same model instrument is carried out the adjustment instrument of Field adjustment.
Background technology: the speedometer of automobile and engine speed indicator, to be used to refer to the transport condition of vehicle and the instrument of engine behavior, the operation information of vehicle is provided for human pilot, it is the key indicator that vehicle must dispose, because the engine of the numerous producers of China vehicle, wheel box, back axle, the configuration such as tire is different, and so that different with the parameter of a instrument, the instrument that so just needs the configuration different parameters, and instrument manufacturer will be to the instrument of same model according to different parameter production, make the confusion various in style of production, even mistake appears, and be unfavorable for the Organization And Management that produces, also restricted the raising of yield-power simultaneously.
Summary of the invention: the utility model is for a kind of digital combination instrument speed ratio parameter adjustment instrument is provided, purpose is to solve the various of needs existing digital combination instrument can not be suitable for to(for) the different instrument of same model speed ratio parameter, manufacturer must produce according to different parameters, make the confusion various in style of production, make in the installation process and make mistakes easily, be unfavorable for the Organization And Management that produces, restricted the problem that yield-power improves.
The technical solution of the utility model is as described below: this utility model comprises housing, D.C. regulated power supply, single-chip microcomputer, crystal oscillator, liquid crystal display, also comprise communication interface, it be by arrange a liquid crystal display that is connected by single-chip microcomputer, single-chip microcomputer output control terminal and between positive-negative power, arrange by resistance R
1With adjustment button K
1, resistance R
2With setting button K
2The adjustment control circuit of again parallel connection formation after connecting respectively, the series connection node of adjusting two series circuits in the control circuit is accessed respectively single-chip microcomputer input and output control end, and through the be connected realization of its single-chip microcomputer input and output control end of communication interface and combined digital automobile meter control circuit.
The utility model compared with prior art has the following advantages and good effect: this utility model is because the setting parameter of having taked to be connected through communication interface is adjusted instrument, instrument is produced by same parameters in process of production, when entrucking, change as required setting, the instrument that has not only thoroughly solved same model can not be applicable to the problem of various, and avoided that manufacturer occurs in process of production because the mistake that occurs in the chaotic and manufacturing installation process that causes various in style, and be unfavorable for restricting the problem that yield-power improves by organization management.Reliably realized goal of the invention.Have simultaneously novel uniqueness of inventive concept, structural design compact and reasonable, produce simply easy to adjust, stable and reliable working performance, the advantage such as popularization that suits has a extensive future.
Description of drawings: Fig. 1 is digital combination instrument speed ratio parameter adjustment instrument outside drawing.
Fig. 2 is the circuit diagram of digital combination instrument speed ratio parameter adjustment instrument.
Fig. 3 is existing digit formula automobile combination meter control circuit figure.
Embodiment: be in housing 1, to establish by power supply processing module IC by Fig. 1, digital combination instrument speed ratio parameter adjustment instrument shown in Figure 2
1With capacitor C
1, C
2Forming D.C. regulated power supply 2 is working power, and this speed ratio parameter adjustment instrument is provided with single-chip microcomputer 3, the crystal oscillating circuit IC that is connected with single-chip microcomputer 3
2With capacitor C
3, C
4The crystal oscillator 4 that forms provides condition of work for single-chip microcomputer 3, and the input end of single-chip microcomputer 3 output control terminal connecting fluid crystal displays 5 in addition, is provided with by resistance R between positive-negative power
1With adjustment button K
1, resistance R
2With setting button K
2The adjustment control circuit 7 of again parallel connection formation after connecting respectively.To adjust resistance R in the control circuit 7
1With adjustment button K
1,,
,Resistance R
2With setting button K
2The series connection node of two series circuits access respectively in addition two input and output control ends of single-chip microcomputer 3, and through communication interface 6 and its single-chip microcomputer of existing digit formula automobile combination meter control circuit IC
7The input and output control end is connected.Combined digital automobile meter is by the single-chip microcomputer IC in Fig. 3 control circuit
7Control, all initial parameters program by the software engineer, are stored in single-chip microcomputer IC by specialized equipment
7In, as single-chip microcomputer IC
7Receiving vehicle speed sensor is signal processing module IC
4Signal after, calculate and with initial parameter contrast, by speed indicating module IC
8Indicate the information such as corresponding Vehicle Speed, distance travelled, change the speed ratio that initial parameter just can change speedometer, the utility model is exactly the adjustment that realizes speedometer speed ratio parameter by the method for field change initial parameter.Concrete grammar is as follows: instrument is produced by selected preset parameter, plays the single-chip microcomputer IC of control action
7When each energising, all at first detect whether speed ratio parameter adjustment instrument of the present utility model is arranged in work, if not then read the parameter that prestores and enter duty, if there is speed ratio parameter adjustment instrument to be connected with it, then enter the initial parameter set condition, wait for the information of speed ratio parameter adjustment instrument.One, combined digital automobile meter no power situation; At this moment with 220V alternating current access the utility model, D.C. regulated power supply 2 work output 5V direct currents are connected with combined digital automobile meter through communication interface 6.Long by " setting " button K
22-3 seconds combination instruments and liquid crystal display IC of the present utility model
9With 5 all show four intrinsic parameter values, this moment is by " adjustment " button K
1Adjustment kilobit numeral can be selected arbitrarily from 0-9 as required, then by " setting " button K
2The storage data also enter hundred adjustment automatically.By " adjustment " button K
1Adjust to select hundred bit digital, still select arbitrarily from 0-9 as required, repeat again said process and carry out ten adjustment and settings with unit numbers; By " setting " button K
2The whole setting parameter of storage data is complete.Two, combined digital automobile meter is the energising situation; In this kind situation, the utility model needn't be connected D.C. regulated power supply 2, directly carries out parameter adjustment by above-mentioned method of adjustment and gets final product.
Claims (1)
1. digital combination instrument speed ratio parameter adjustment instrument, comprise housing (1), D.C. regulated power supply (2), single-chip microcomputer (3), crystal oscillator (4), liquid crystal display (5), also comprise communication interface (6), it is characterized in that: this speed ratio parameter adjustment instrument be provided with a liquid crystal display (5) that is connected by single-chip microcomputer (3), single-chip microcomputer (3) output control terminal and between positive-negative power, arrange by resistance R
1With adjustment button K
1, resistance R
2With setting button K
2The adjustment control circuit (7) of again parallel connection formation after connecting respectively, the series connection node that to adjust two series circuits in the control circuit (7) accesses respectively single-chip microcomputer (3) input and output control end, and is connected through its single-chip microcomputer input and output control end of communication interface (6) and combined digital automobile meter control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147256 CN202661079U (en) | 2012-04-10 | 2012-04-10 | Speed ratio parameter regulator for digital combination instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147256 CN202661079U (en) | 2012-04-10 | 2012-04-10 | Speed ratio parameter regulator for digital combination instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661079U true CN202661079U (en) | 2013-01-09 |
Family
ID=47455982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220147256 Expired - Fee Related CN202661079U (en) | 2012-04-10 | 2012-04-10 | Speed ratio parameter regulator for digital combination instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153076A (en) * | 2016-08-23 | 2016-11-23 | 汽通用红塔云南汽车制造有限公司 | The control method of automobile odometer speed ratio |
-
2012
- 2012-04-10 CN CN 201220147256 patent/CN202661079U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153076A (en) * | 2016-08-23 | 2016-11-23 | 汽通用红塔云南汽车制造有限公司 | The control method of automobile odometer speed ratio |
| CN106153076B (en) * | 2016-08-23 | 2019-02-19 | 一汽红塔云南汽车制造有限公司 | The adjusting method of automobile odometer speed ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20210410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |