CN102998622B - The detection method of telepilot and cell voltage thereof and device - Google Patents

The detection method of telepilot and cell voltage thereof and device Download PDF

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Publication number
CN102998622B
CN102998622B CN201110265868.0A CN201110265868A CN102998622B CN 102998622 B CN102998622 B CN 102998622B CN 201110265868 A CN201110265868 A CN 201110265868A CN 102998622 B CN102998622 B CN 102998622B
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voltage
battery
telepilot
prompt information
cell voltage
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CN201110265868.0A
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Chinese (zh)
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CN102998622A (en
Inventor
李秀菲
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珠海格力电器股份有限公司
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Abstract

The invention discloses detection method and the device of a kind of telepilot and cell voltage thereof.The battery voltage detection method of this telepilot comprises: carry out A/D sampling to the voltage of voltage regulation of the control chip of telepilot, obtain sampled value, wherein, be provided with A/D sampling channel in control chip, the reference voltage end of A/D sampling channel is connected with the battery of telepilot; The cell voltage of telepilot is calculated according to sampled value; And according to cell voltage display capacity prompt information.Pass through the present invention, the control chip of telepilot directly can be utilized to realize the detection of cell voltage, and according to testing result display capacity prompt information, additionally need not increase the measuring ability that testing cost just realizes remote controller battery electricity, implementation method is simple, and cost is low.

Description

The detection method of telepilot and cell voltage thereof and device
Technical field
The present invention relates to field of remote-control unit, in particular to detection method and the device of a kind of telepilot and cell voltage thereof.
Background technology
In daily life, mobile phone, camera, DV etc., mostly have battery electric quantity Presentation Function, can change detect and show according to battery electric quantity, facilitate user to inquire about and charge in time.But on normally used telepilot, there is no detection and the display of battery electric quantity, making user when using a teleswitch, the situation of battery electric quantity cannot be learnt, thus battery can not be changed in time, certain influence is caused to the use of telepilot.
In addition, realize battery electric quantity at present and detect the external hardware detecting circuit of needs, cost is high, and implementation method is complicated.
For the problem that in correlation technique, remote controller battery electric power detection cost is high, implementation method is complicated, at present effective solution is not yet proposed.
Summary of the invention
Fundamental purpose of the present invention is the detection method and the device that provide a kind of telepilot and cell voltage thereof, to solve the high problem of remote controller battery electric power detection cost.
To achieve these goals, according to an aspect of the present invention, a kind of detection method of remote battery voltage is provided.
Detection method according to remote battery voltage of the present invention comprises: carry out A/D sampling to the voltage of voltage regulation of the control chip of telepilot, obtain sampled value, wherein, be provided with A/D sampling channel in control chip, the reference voltage end of A/D sampling channel is connected with the battery of telepilot; The cell voltage of telepilot is calculated according to sampled value; And according to cell voltage display capacity prompt information.
Further, the following formulae discovery of employing is comprised according to the cell voltage of sampled value calculating telepilot:
V=a*(255/X)
Wherein, V is the cell voltage of telepilot, and a is the voltage of voltage regulation of control chip, and X is sampled value.
Further, comprise according to cell voltage display capacity prompt information: in the first preset time range, judge whether cell voltage remains in the first predetermined voltage range; If cell voltage remains in the first predetermined voltage range, then show the first capacity prompt information; And if cell voltage is not in the first predetermined voltage range, then show the second capacity prompt information.
Further, by only showing battery symbol to show the first capacity prompt information; And show the second capacity prompt information by combination display battery symbol and electricity symbol.
Further, show the second capacity prompt information by combination display battery symbol and electricity symbol to comprise: mated with the multiple voltage ranges preset by cell voltage in the second preset time range, the multiple voltage ranges preset comprise the second predetermined voltage range and the 3rd predetermined voltage range; If cell voltage remains on the second predetermined voltage range, then show the second capacity prompt information by combination display battery symbol and the first electricity symbol; And if cell voltage remains on the 3rd predetermined voltage range, then show the second capacity prompt information by combination display battery symbol and the second electricity symbol.
Further, the detection method according to remote battery voltage of the present invention also comprises: send alerting signal when display first capacity prompt information, and wherein, alerting signal is for pointing out the battery electric quantity of telepilot not enough.
To achieve these goals, according to a further aspect in the invention, a kind of pick-up unit of remote battery voltage is provided.
Pick-up unit according to remote battery voltage of the present invention comprises: sampling module, voltage of voltage regulation for the control chip to telepilot carries out A/D sampling, obtain sampled value, wherein, in control chip, be provided with A/D sampling channel, the reference voltage end of A/D sampling channel is connected with the battery of telepilot; Computing module, for calculating the cell voltage of telepilot according to sampled value, wherein, sampled value is carried out A/D sampling by the voltage of voltage regulation of the control chip to telepilot and is obtained; And display module, for showing capacity prompt information according to cell voltage.
Further, display module comprises: judge submodule, for judging in the first preset time range whether cell voltage remains in the first predetermined voltage range; First display sub-module, during for remaining in the first predetermined voltage range when cell voltage, shows the first capacity prompt information; And second display sub-module, for when cell voltage is not in the first predetermined voltage range, show the second capacity prompt information.
Further, the first display sub-module is also for by only showing battery symbol to show the first capacity prompt information; And second display sub-module also for by combination display battery symbol and electricity symbol show the second capacity prompt information.
Further, pick-up unit according to remote battery voltage of the present invention also comprises: alarm module, for sending alerting signal when the first display sub-module shows the first capacity prompt information, wherein, alerting signal is for pointing out the battery electric quantity of telepilot not enough.
To achieve these goals, according to a further aspect in the invention, a kind of telepilot is provided.
Telepilot according to the present invention comprises the pick-up unit of any one remote battery voltage provided by the invention.
Pass through the present invention, adopt the detection method of the cell voltage of the telepilot comprised the following steps: A/D sampling is carried out to the voltage of voltage regulation of the control chip of telepilot, obtain sampled value, wherein, A/D sampling channel is arranged in control chip, and the reference voltage end of A/D sampling channel is connected with the battery of telepilot; The cell voltage of telepilot is calculated according to sampled value; And according to cell voltage display capacity prompt information, realized the detection of cell voltage by the control chip of telepilot, and according to testing result display capacity prompt information, additionally need not increase the measuring ability that hardware circuit just realizes remote controller battery electricity, implementation method is simple, and cost is low.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the pick-up unit block diagram of the remote battery voltage according to the embodiment of the present invention;
Fig. 2 is the control chip internal hardware schematic diagram of the remote battery voltage according to the embodiment of the present invention;
Fig. 3 is the detection method process flow diagram of the remote battery voltage according to the embodiment of the present invention;
Fig. 4 (a) to Fig. 4 (d) is the schematic diagram shown according to the remote battery voltage of the embodiment of the present invention; And
Fig. 5 divides schematic diagram according to the remote battery voltage scope of the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
First the embodiment of telepilot is introduced.Telepilot comprises a kind of pick-up unit of remote battery voltage, the control chip that this pick-up unit has been deposited based on telepilot, detect cell voltage, and according to testing result display capacity prompt information, make telepilot can detect cell voltage in real time, and charge condition is shown to user, without the need to additionally increasing hardware circuit, just can to customer responsiveness information about power, cost is low, and is user-friendly to.
Secondly, the embodiment of the pick-up unit of remote battery voltage is specifically introduced.
Fig. 1 is the pick-up unit block diagram of the remote battery voltage according to the embodiment of the present invention, as shown in Figure 1, this pick-up unit comprises: sampling module 10, voltage of voltage regulation for the control chip to telepilot carries out A/D sampling, obtain sampled value, wherein, be provided with A/D sampling channel in control chip, the reference voltage end of A/D sampling channel is connected with the battery of telepilot; Computing module 30, for calculating the cell voltage of telepilot according to sampled value, wherein, sampled value is carried out A/D sampling by the voltage of voltage regulation of the control chip to telepilot and is obtained; And display module 50, for showing capacity prompt information according to cell voltage.
In this embodiment, carry out A/D sampling by sampling module 10 pairs of voltage of voltage regulation and obtain sampled value, the reference voltage end of sampling is connected with the battery of telepilot, by the reference voltage of cell voltage as sampling; By the reference voltage of computing module 30 according to sampled value calculating sampling, i.e. cell voltage; Result of calculation shown with the form of capacity prompt information by display module 50, additionally need not increase the measuring ability that hardware circuit just realizes remote controller battery electricity, implementation method is simple, and cost is low.
In the embodiment shown in fig. 1, A/D sampling channel is arranged in the control chip of telepilot, Fig. 2 is this control chip internal hardware schematic diagram, as shown in Figure 2, the positive pole of battery is connected to VREF (reference voltage end of A/D sampling) 02 by chip internal, the negative pole of battery is connected to VGND (the reference voltage ground of A/D sampling) 03, the i.e. reference voltage that switches as A/D of battery, by A/D sampling channel control register 05, AD27 (passage 27 of A/D sampling) 01 is connected with the 1.17V voltage of voltage regulation of built-in chip type, and, A/D sampling channel control register 05 starts AD27 sampling, namely AD27 (passage 27 of A/D sampling) 01 is connected with the 1.17V voltage of voltage regulation of built-in chip type by A/D sampling channel control register 05, AD27 (1.17V) is connected to AD converter 04 by port select register 07 again, AD27 (1.17V) compares with VREF (reference voltage end that A/D samples) 02 by AD converter 04, thus draw sampled value, the AD sampled value obtained is placed on A/D sample conversion data-carrier store 06, again by calculating, just can obtain the voltage of battery, i.e. battery electric quantity.
Computing module 30 can adopt following formulae discovery:
V=a*(255/X)
Wherein, V is the cell voltage of telepilot, and a is the voltage of voltage regulation of control chip, and X is sampled value.
Preferably, display module 50 comprises: judge submodule, for judging in the first preset time range whether cell voltage remains in the first predetermined voltage range; First display sub-module, during for remaining in the first predetermined voltage range when cell voltage, shows the first capacity prompt information; And second display sub-module, for when cell voltage is not in the first predetermined voltage range, show the second capacity prompt information.When display first capacity prompt information, the first display sub-module is by only showing battery symbol display; When display second capacity prompt information, the second display sub-module is by combination display battery symbol and the display of electricity symbol.
Be 2.6V when completely measuring for remote battery voltage, select 0V ~ 2.2V to be the first predetermined voltage range, then the first capacity prompt information represents that cell voltage is less than or equal to 2.2V, and the second capacity prompt information represents that cell voltage is greater than 2.2V.
Adopt this preferred implementation, when showing capacity prompt information, display module 50 in preset time range by judging that submodule judges cell voltage, the capacity prompt information different according to judgment result displays, makes user can by the scope of capacity prompt information acquisition current battery level.
Not enough in order to make user know battery electric quantity in time, preferably, the pick-up unit of remote battery voltage also comprises: alarm module, for sending alerting signal when the first display sub-module shows the first capacity prompt information, wherein, alerting signal is for pointing out the battery electric quantity of telepilot not enough.
Finally introduce the embodiment of the pick-up unit of remote battery voltage.
Fig. 3 is the detection method process flow diagram of the remote battery voltage according to the embodiment of the present invention, and as shown in Figure 3, the method comprises following step S102 to step S106:
Step S102: carry out A/D sampling to the voltage of voltage regulation of the control chip of telepilot, obtain sampled value, wherein, be provided with A/D sampling channel in control chip, the reference voltage end of A/D sampling channel is connected with the battery of telepilot.As shown in Figure 2, existing associated description, omits concrete control chip inner connecting way herein above.
Step S104: the cell voltage calculating telepilot according to sampled value.
Following formulae discovery can be adopted:
V=a*(255/X)
Wherein, V is the cell voltage of telepilot, and a is the voltage of voltage regulation of control chip, and X is sampled value.
Step S106: according to cell voltage display capacity prompt information.
In this embodiment, the detection method of cell voltage, based on the circuit function of built-in chip type, take cell voltage as reference voltage, sample to voltage of voltage regulation, after sampling, Extrapolation goes out cell voltage, and carries out battery electric quantity display, cost is low, facilitates user to check the real-time condition of battery electric quantity.
In order to reminding user changes battery when battery electric quantity is low, preferably, comprise according to cell voltage display capacity prompt information: in the first preset time range, judge whether cell voltage remains in the first predetermined voltage range; If cell voltage remains in the first predetermined voltage range, then show the first capacity prompt information, if and cell voltage is not in the first predetermined voltage range, then show the second capacity prompt information, wherein, the voltage range that first predetermined voltage range is corresponding when being electricity deficiency, user can, according to the capacity prompt information of display, judge to learn the need of replacing battery.
In order to when battery electric quantity is not enough, directly remind user, preferably, the detection method according to remote battery voltage of the present invention also comprises: send alerting signal when display first capacity prompt information, wherein, alerting signal is for pointing out the battery electric quantity of telepilot not enough.As long as when battery electric quantity is not enough, telepilot just sends certain sound, makes user understand remote controller battery charge condition more timely, charging in time or replacing battery.
Preferably, by only showing battery symbol to show the first capacity prompt information; And show the second capacity prompt information by combination display battery symbol and electricity symbol.
Cell voltage situation is further understood in order to make user, preferably, show the second capacity prompt information by display battery symbol and electricity symbol to comprise: mated with the multiple voltage ranges preset by cell voltage in the second preset time range, the multiple voltage ranges preset comprise the second predetermined voltage range and the 3rd predetermined voltage range; If cell voltage remains on the second predetermined voltage range, then show the second capacity prompt information by combination display battery symbol and the first electricity symbol; And if cell voltage remains on the 3rd predetermined voltage range, then show the second capacity prompt information by combination display battery symbol and the second electricity symbol.
Fig. 4 (a) to Fig. 4 (d) is the schematic diagram shown according to the remote controller battery electricity of the embodiment of the present invention, and in each figure, A refers to the display panel of telepilot, and B1 to B4 is respectively the schematic diagram of different battery electric quantity displays.Be 2.6V when still completely measuring for remote battery voltage, select 0V ~ 2.2V to be the first predetermined voltage range, when cell voltage is in this scope, only show battery symbol, as shown in Fig. 4 (a); When cell voltage is not in this scope, illustrate that battery does not also arrive the situation of electricity deficiency, now, by the by stages further of the magnitude of voltage (being greater than 2.2V) outside the first predetermined voltage range, be divided into multiple voltage range, as shown in Figure 5, in the second Preset Time (T second), cell voltage is mated with the multiple voltage ranges preset:
1, continuous T detects 2.2V < cell voltage≤2.3V second, shows 1 lattice electricity and battery symbol, as shown in Fig. 4 (b);
2, continuous T detects 2.3V < cell voltage < 2.6V second, shows 2 lattice electricity and battery symbols, as shown in Fig. 4 (c);
3, continuous T detects 2.6V≤cell voltage second, shows 3 lattice electricity and battery symbols, as shown in Fig. 4 (d).
When each replacing battery, be initialized as 3 lattice electricity, do not detect in 3 seconds, after initialization, first time detects T is 2 seconds, and T is 6 seconds afterwards.In order to ensure the accuracy of capacity prompt information, all detecting under telepilot switching on and shutting down, also detecting during signaling.
If battery is rechargeable battery, do special processing to voltage range 2.3V ~ 2.6V, in charging process, cell voltage increases gradually, when continuous T detects 2.3V < cell voltage < 2.5V second, show 2 lattice electricity and battery symbols; In discharge process, show 1 lattice electricity and battery symbol.General detection battery voltage error is positive and negative 0.1V (specifically must determine according to different chip its voltage measuring ability error).
From above description, can find out, present invention achieves following technique effect: the detection being realized cell voltage by the control chip of telepilot, and according to testing result display capacity prompt information, additionally need not increase the measuring ability that hardware circuit just realizes remote controller battery electricity, implementation method is simple, and cost is low.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a detection method for remote battery voltage, is characterized in that comprising:
Carry out A/D sampling to the voltage of voltage regulation of the control chip of described telepilot, obtain sampled value, wherein, be provided with A/D sampling channel in described control chip, the reference voltage end of described A/D sampling channel is connected with the battery of described telepilot;
The cell voltage of described telepilot is calculated according to described sampled value; And
According to described cell voltage display capacity prompt information,
Wherein, the cell voltage calculating described telepilot according to described sampled value comprises and adopts following formulae discovery:
V=a*(255/X)
Wherein, V is the cell voltage of described telepilot, and a is the voltage of voltage regulation of described control chip, and X is described sampled value.
2. the detection method of remote battery voltage according to claim 1, is characterized in that, comprises according to described cell voltage display capacity prompt information:
In the first preset time range, judge whether described cell voltage remains in the first predetermined voltage range;
If described cell voltage remains in described first predetermined voltage range, then show the first capacity prompt information; And
If described cell voltage not in described first predetermined voltage range, then shows the second capacity prompt information.
3. the detection method of remote battery voltage according to claim 2, is characterized in that,
Described first capacity prompt information is shown by only showing battery symbol; And
Described second capacity prompt information is shown by the combination described battery symbol of display and electricity symbol.
4. the detection method of remote battery voltage according to claim 3, is characterized in that, shows described second capacity prompt information comprise by the combination described battery symbol of display and described electricity symbol:
Mated with the multiple voltage ranges preset by described cell voltage in the second preset time range, described default multiple voltage ranges comprise the second predetermined voltage range and the 3rd predetermined voltage range;
If described cell voltage remains on described second predetermined voltage range, then show described second capacity prompt information by the combination described battery symbol of display and the first electricity symbol; And
If described cell voltage remains on described 3rd predetermined voltage range, then show described second capacity prompt information by the combination described battery symbol of display and the second electricity symbol.
5. the detection method of remote battery voltage according to claim 2, is characterized in that, also comprises:
Send alerting signal when showing described first capacity prompt information, wherein, described alerting signal is for pointing out the battery electric quantity of described telepilot not enough.
6. a pick-up unit for remote battery voltage, is characterized in that comprising:
Sampling module, voltage of voltage regulation for the control chip to described telepilot carries out A/D sampling, obtains sampled value, wherein, in described control chip, be provided with A/D sampling channel, the reference voltage end of described A/D sampling channel is connected with the battery of described telepilot;
Computing module, for calculating the cell voltage of described telepilot according to described sampled value, wherein, described sampled value is carried out A/D sampling by the voltage of voltage regulation of the control chip to described telepilot and is obtained; And
Display module, for showing capacity prompt information according to described cell voltage,
Wherein, described computing module adopts the cell voltage of telepilot described in following formulae discovery: V=a* (255/X), and wherein, V is the cell voltage of described telepilot, and a is the voltage of voltage regulation of described control chip, and X is described sampled value.
7. the pick-up unit of remote battery voltage according to claim 6, is characterized in that, described display module comprises:
Judge submodule, for judging in the first preset time range whether described cell voltage remains in the first predetermined voltage range;
First display sub-module, during for remaining in described first predetermined voltage range when described cell voltage, shows the first capacity prompt information; And
Second display sub-module, for when described cell voltage is not in described first predetermined voltage range, shows the second capacity prompt information.
8. the pick-up unit of remote battery voltage according to claim 7, is characterized in that,
Described first display sub-module is also for showing described first capacity prompt information by only showing battery symbol; And
Described second display sub-module is also for showing described second capacity prompt information by the combination described battery symbol of display and electricity symbol.
9. the pick-up unit of remote battery voltage according to claim 7, is characterized in that, also comprises:
Alarm module, for sending alerting signal when described first display sub-module shows described first capacity prompt information, wherein, described alerting signal is for pointing out the battery electric quantity of described telepilot not enough.
10. a telepilot, is characterized in that, comprises the pick-up unit of the remote battery voltage according to any one of claim 6 to 9.
CN201110265868.0A 2011-09-08 2011-09-08 The detection method of telepilot and cell voltage thereof and device CN102998622B (en)

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CN104345277A (en) * 2013-08-02 2015-02-11 广东美的制冷设备有限公司 Electricity quantity detection and prompting and charging method of remote controller and remote controller
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