CN213973913U - Automobile key with electric quantity alarm function - Google Patents
Automobile key with electric quantity alarm function Download PDFInfo
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- CN213973913U CN213973913U CN202021894034.7U CN202021894034U CN213973913U CN 213973913 U CN213973913 U CN 213973913U CN 202021894034 U CN202021894034 U CN 202021894034U CN 213973913 U CN213973913 U CN 213973913U
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- electric quantity
- battery
- buzzer
- sending
- alarm lamp
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Abstract
The utility model provides a car key with electric quantity alarming function, include: a battery for supplying power; the key control circuit is used for sending a vehicle lock control signal to the vehicle; the battery electric quantity detection circuit is used for detecting the residual electric quantity of the battery; the electric quantity alarm lamp is used for sending a light alarm signal; the buzzer is used for sending out a sound alarm signal; and the controller is electrically connected with the battery electric quantity detection circuit, the electric quantity alarm lamp and the buzzer and is used for starting the electric quantity alarm lamp and the buzzer when the residual electric quantity is lower than the first electric quantity. The utility model discloses can make the user in time change the battery to avoid the electric quantity to exhaust the inconvenience that brings.
Description
Technical Field
The utility model relates to a car key field, in particular to car key with electric quantity alarming function.
Background
The battery of car key all has certain live time, changes the battery of different brands, and the live time of battery is also different, but car key among the prior art does not have the electric quantity and reminds the function, if the electric quantity exhausts and not in time change the battery, will bring very big inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The utility model provides a car key with electric quantity alarming function to solve at least one and state technical problem.
In order to solve the above problem, as an aspect of the utility model provides a car key with electric quantity alarming function, include: a battery for supplying power; the key control circuit is used for sending a vehicle lock control signal to the vehicle; the battery electric quantity detection circuit is used for detecting the residual electric quantity of the battery; the electric quantity alarm lamp is used for sending a light alarm signal; the buzzer is used for sending out a sound alarm signal; and the controller is electrically connected with the battery electric quantity detection circuit, the electric quantity alarm lamp and the buzzer and is used for starting the electric quantity alarm lamp and the buzzer when the residual electric quantity is lower than the first electric quantity.
Preferably, the battery is a button battery.
Preferably, the car key with electric quantity alarming function still includes the casing, be provided with the spare battery on the casing and hold the chamber, spare battery holds and deposits the spare battery in the chamber.
Due to the adoption of the technical scheme, the utility model discloses can make the user in time change the battery to avoid the electric quantity to exhaust the inconvenience that brings.
Drawings
Fig. 1 schematically shows a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The utility model discloses an aspect provides a car key with electric quantity alarming function, include: a battery for supplying power; the key control circuit is used for sending a vehicle lock control signal to the vehicle; the battery electric quantity detection circuit is used for detecting the residual electric quantity of the battery; the electric quantity alarm lamp is used for sending a light alarm signal; the buzzer is used for sending out a sound alarm signal; and the controller is electrically connected with the battery electric quantity detection circuit, the electric quantity alarm lamp and the buzzer and is used for starting the electric quantity alarm lamp and the buzzer when the residual electric quantity is lower than the first electric quantity. Preferably, the battery is a button battery.
Preferably, the car key with electric quantity alarming function still includes the casing, be provided with the spare battery on the casing and hold the chamber, spare battery holds and deposits the spare battery in the chamber. Thus, when the battery is exhausted, the spare battery in the spare battery accommodating cavity can be taken out to replace the battery.
The key control circuit is a conventional automobile key circuit in the prior art, and the battery is used for supplying power to all other power utilization circuits.
When the electric quantity is not enough, the controller can detect that the electric quantity of the battery is about to be exhausted through the battery electric quantity detection circuit, and then the controller carries out audible and visual alarm through the buzzer and the electric quantity alarm lamp so as to prompt a user to replace the battery in time.
Due to the adoption of the technical scheme, the utility model discloses can make the user in time change the battery to avoid the electric quantity to exhaust the inconvenience that brings.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A car key with electric quantity alarming function is characterized by comprising:
a battery for supplying power;
the key control circuit is used for sending a vehicle lock control signal to the vehicle;
the battery electric quantity detection circuit is used for detecting the residual electric quantity of the battery;
the electric quantity alarm lamp is used for sending a light alarm signal;
the buzzer is used for sending out a sound alarm signal;
and the controller is electrically connected with the battery electric quantity detection circuit, the electric quantity alarm lamp and the buzzer and is used for starting the electric quantity alarm lamp and the buzzer when the residual electric quantity is lower than the first electric quantity.
2. The automobile key with electric quantity alarm function as claimed in claim 1, wherein the battery is a button battery.
3. The automobile key with the electric quantity alarm function as claimed in claim 1, further comprising a housing, wherein a spare battery accommodating cavity is arranged on the housing, and a spare battery is stored in the spare battery accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894034.7U CN213973913U (en) | 2020-09-02 | 2020-09-02 | Automobile key with electric quantity alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894034.7U CN213973913U (en) | 2020-09-02 | 2020-09-02 | Automobile key with electric quantity alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213973913U true CN213973913U (en) | 2021-08-17 |
Family
ID=77253142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021894034.7U Active CN213973913U (en) | 2020-09-02 | 2020-09-02 | Automobile key with electric quantity alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213973913U (en) |
-
2020
- 2020-09-02 CN CN202021894034.7U patent/CN213973913U/en active Active
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