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Display method of broken code screen instrument

A display method and the technology of a broken code screen, which are applied in the field of automotive instrumentation, can solve the problems that the cruising range cannot be indicated according to the remaining real power, the deviation of the cruising range indication, and the reduction of battery life, so as to avoid the loss of battery power

Pending Publication Date: 2021-04-09
江苏开沃汽车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a display method for an instrument with a broken code screen in order to solve the problems existing in the above-mentioned prior art. Problems indicated by remaining real power

Method used

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  • Display method of broken code screen instrument

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] In the display method of the broken code screen instrument of the present invention, the following parameters are defined:

[0018] The SOC value of the percentage of power at the moment before the vehicle is powered off (IG OFF): A%;

[0019] The current SOC value B% that starts to be recorded after t time when power-on (IG ON) or after receiving N effective values ​​of SOC;

[0020] The value C% when a valid charging flag is recognized;

[0021] The power D% after the effective charging flag is recognized (D%-C%≥threshold);

[0022] Power: current power value, unit Kwh;

[0023] Vehicle speed V, unit km / h;

[0024] The actual calculation value of the cruising range is actual: the current power Kwh is divided by the current energy consumption Kwh / 100km;

[0025] Cruising range display value Range display: the meter displays the cruising range value km.

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Abstract

The invention discloses a display method of a broken code screen instrument. The display method comprises the following steps: recording the current electric quantity percentage SOC value A% at the moment before the whole vehicle is powered off, then powering off, starting to record the current SOC value B% at the next power-on time t or after N times of effective values of the SOC are received, and when the B%-A% is greater than the threshold value 1.2%, directly displaying the endurance mileage Range display according to a value obtained by dividing the current electric quantity by the energy consumption; if B%-A% is less than 1.2% of the threshold value, the endurance mileage display value is a display value before last power-off; and when the effective charging identification bit is identified and the condition that the value C% obtained by subtracting the effective charging identification bit from the electric quantity D% after the effective charging identification bit is identified is greater than 1.2%, i.e., the D% C% is greater than the threshold value, directly displaying the endurance mileage according to the value obtained by dividing the current electric quantity by the energy consumption. The endurance mileage can be calculated without multiplying the SOC electric quantity percentage by the maximum endurance mode, and the situation that the endurance indication deviation is large due to battery electric quantity loss, the service life and the like is effectively avoided.

Description

Technical field: [0001] The invention relates to a display method of an instrument with a broken code screen, which belongs to the technical field of automobile instruments. Background technique: [0002] At present, the battery life displayed on the instrument is mostly displayed in the form of the battery’s maximum battery life according to the percentage of battery power (0%-100%) remaining. As the service life of the battery decreases, the power percentage can reach 100%, which cannot accurately reflect the battery life. , and cannot reflect the cruising range in time according to the actual driving conditions. [0003] Therefore, it is necessary to improve the prior art to solve the deficiencies of the prior art. Invention content: [0004] The present invention provides a display method for an instrument with a broken code screen in order to solve the problems existing in the above-mentioned prior art. Questions based on remaining true battery indication. [0005]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K35/00B60L3/00B60R16/02
CPCB60K35/00B60L3/00B60R16/02
Inventor 袁晨晨王成兆曹强刘慧敏何永攀吴龙八
Owner 江苏开沃汽车有限公司
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