CN102998622A - Remote control and method and device for detecting battery voltage of remote control - Google Patents

Remote control and method and device for detecting battery voltage of remote control Download PDF

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Publication number
CN102998622A
CN102998622A CN2011102658680A CN201110265868A CN102998622A CN 102998622 A CN102998622 A CN 102998622A CN 2011102658680 A CN2011102658680 A CN 2011102658680A CN 201110265868 A CN201110265868 A CN 201110265868A CN 102998622 A CN102998622 A CN 102998622A
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China
Prior art keywords
voltage
battery
prompt information
telepilot
capacity prompt
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CN2011102658680A
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Chinese (zh)
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CN102998622B (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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Publication of CN102998622A publication Critical patent/CN102998622A/en
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Abstract

The invention discloses a remote control and a method and a device for detecting battery voltage of the remote control. The method for detecting battery voltage of the remote control includes: subjecting stabilized voltage of a control chip of the remote control to A/D (analog/digital) sampling to obtain a sample value, and connecting a reference voltage end of an A/D sampling channel arranged in the control chip to a battery of the remote control; calculating the battery voltage of the remote control according to the sample value; and displaying a battery prompt message according to the battery voltage. The battery voltage can be detected directly through the control chip of the remote control, the battery prompt message is displayed according to detection result, and battery level of the remote control is detected without increasing detection cost, and the method is simple and low-cost.

Description

The detection method of telepilot and cell voltage thereof and device
Technical field
The present invention relates to the telepilot field, 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. have the battery electric quantity Presentation Function mostly, can change according to battery electric quantity to detect and show, and make things convenient for the user to inquire about and in time charging.But on normally used telepilot, do not have detection and the demonstration of battery electric quantity, so that the user when using a teleswitch, can't learn the situation of battery electric quantity, thereby can not in time change battery, the use of telepilot is caused certain influence.
In addition, realize that at present the battery electric quantity detection needs external hardware detecting circuit, cost is high, and implementation method is complicated.
Problem for remote controller battery electric weight testing cost in the correlation technique is high, implementation method is complicated not yet proposes effective solution at present.
Summary of the invention
Fundamental purpose of the present invention is to provide detection method and the device of a kind of telepilot and cell voltage thereof, to solve the high problem of remote controller battery electric weight testing cost.
To achieve these goals, according to an aspect of the present invention, provide a kind of detection method of remote controller battery voltage.
Detection method according to remote controller battery voltage of the present invention comprises: the voltage of voltage regulation to the control chip of telepilot carries out the A/D sampling, obtain sampled value, wherein, be provided with the A/D sampling channel in control chip, the reference voltage end of A/D sampling channel is connected with the battery of telepilot; Calculate the cell voltage of telepilot according to sampled value; And according to cell voltage demonstration capacity prompt information.
Further, the cell voltage according to sampled value calculating telepilot comprises that the following formula of employing calculates:
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, show that according to cell voltage capacity prompt information comprises: judge in the first Preset Time scope whether cell voltage remains in the first predeterminated voltage scope; If cell voltage remains in the first predeterminated voltage scope, then show the first capacity prompt information; And if cell voltage then shows the second capacity prompt information not in the first predeterminated voltage scope.
Further, by only showing that battery symbol shows the first capacity prompt information; And show that by combination battery symbol and electric weight symbol show the second capacity prompt information.
Further, show that by combination battery symbol and electric weight symbol show that the second capacity prompt information comprises: in the second Preset Time scope cell voltage and default a plurality of voltage ranges are mated, default a plurality of voltage ranges comprise the second predeterminated voltage scope and the 3rd predeterminated voltage scope; If cell voltage remains on the second predeterminated voltage scope, then show that by combination battery symbol and the first electric weight symbol show the second capacity prompt information; And if cell voltage remains on the 3rd predeterminated voltage scope, then show that by combination battery symbol and the second electric weight symbol show the second capacity prompt information.
Further, the detection method according to remote controller battery voltage of the present invention also comprises: send alerting signal when showing the first capacity prompt information, wherein, the battery electric quantity that alerting signal is used for the prompting telepilot is not enough.
To achieve these goals, according to a further aspect in the invention, provide a kind of pick-up unit of remote controller battery voltage.
Pick-up unit according to remote controller battery voltage of the present invention comprises: sampling module, be used for the voltage of voltage regulation of the control chip of telepilot is carried out the A/D sampling, obtain sampled value, wherein, be provided with the 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 is used for calculating according to sampled value the cell voltage of telepilot, and wherein, sampled value is carried out the A/D sampling by the voltage of voltage regulation to the control chip of telepilot and obtained; And display module, be used for showing capacity prompt information according to cell voltage.
Further, display module comprises: judge submodule, be used for judging in the first Preset Time scope whether cell voltage remains in the first predeterminated voltage scope; The first display sub-module when being used in cell voltage remains on the first predeterminated voltage scope, shows the first capacity prompt information; And second display sub-module, be used for when cell voltage is not in the first predeterminated voltage scope, showing the second capacity prompt information.
Further, the first display sub-module also is used for by only showing that battery symbol shows the first capacity prompt information; And second display sub-module also be used for showing that by combination battery symbol and electric weight symbol show the second capacity prompt information.
Further, pick-up unit according to remote controller battery voltage of the present invention also comprises: alarm module, be used for sending alerting signal when the first display sub-module shows the first capacity prompt information, wherein, the battery electric quantity that alerting signal is used for the prompting telepilot is not enough.
To achieve these goals, according to a further aspect in the invention, provide a kind of telepilot.
Telepilot according to the present invention comprises the pick-up unit of any one remote controller battery voltage provided by the invention.
By the present invention, the detection method of the cell voltage of the telepilot that employing may further comprise the steps: the voltage of voltage regulation to the control chip of telepilot carries out the A/D sampling, obtain sampled value, wherein, the A/D sampling channel is arranged in the control chip, and the reference voltage end of A/D sampling channel is connected with the battery of telepilot; Calculate the cell voltage of telepilot according to sampled value; And according to cell voltage demonstration capacity prompt information, realize the detection of cell voltage by the control chip of telepilot, and according to testing result demonstration capacity prompt information, need not additionally increase the measuring ability that hardware circuit is just realized the remote controller battery electric weight, implementation method is simple, and cost is low.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the pick-up unit block diagram according to the remote controller battery voltage of the embodiment of the invention;
Fig. 2 is the control chip internal hardware schematic diagram according to the remote controller battery voltage of the embodiment of the invention;
Fig. 3 is the detection method process flow diagram according to the remote controller battery voltage of the embodiment of the invention;
Fig. 4 (a) is the synoptic diagram that shows according to the remote controller battery voltage of the embodiment of the invention to Fig. 4 (d); And
Fig. 5 divides synoptic diagram according to the remote controller battery voltage range of the embodiment of the invention.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The embodiment of paper telepilot.Telepilot comprises a kind of pick-up unit of remote controller battery voltage, the control chip that this pick-up unit has been deposited based on telepilot, detect cell voltage, and according to testing result demonstration capacity prompt information, so that telepilot can detect cell voltage in real time, and the electric weight situation is shown to the user, need not additionally to increase hardware circuit, just can be to the customer responsiveness information about power, cost is low, and is user-friendly to.
Secondly, specifically introduce the embodiment of the pick-up unit of remote controller battery voltage.
Fig. 1 is the pick-up unit block diagram according to the remote controller battery voltage of the embodiment of the invention, as shown in Figure 1, this pick-up unit comprises: sampling module 10, be used for the voltage of voltage regulation of the control chip of telepilot is carried out the A/D sampling, obtain sampled value, wherein, be provided with the 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 is used for calculating according to sampled value the cell voltage of telepilot, and wherein, sampled value is carried out the A/D sampling by the voltage of voltage regulation to the control chip of telepilot and obtained; And display module 50, be used for showing capacity prompt information according to cell voltage.
In this embodiment, carry out the A/D sampling by 10 pairs of voltage of voltage regulation of sampling module and obtain sampled value, the reference voltage end of sampling is connected with the battery of telepilot, is about to cell voltage as the reference voltage of sampling; By the reference voltage of computing module 30 according to the sampled value calculating sampling, i.e. cell voltage; The form of result of calculation with capacity prompt information shown that need not additionally increase the measuring ability that hardware circuit is just realized the remote controller battery electric weight, implementation method is simple by display module 50, cost is low.
In the embodiment shown in fig. 1, the 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, chip internal is connected to VREF (reference voltage end of A/D sampling) 02 with the positive pole of battery, the negative pole of battery is connected to VGND (the reference voltage ground of A/D sampling) 03, it is the reference voltage that battery switches as A/D, by A/D sampling channel control register 05 AD27 (A/D sampling passage 27) 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 the AD27 sampling, being A/D sampling channel control register 05 is connected AD27 (passage 27 of A/D sampling) 01 with the 1.17V voltage of voltage regulation of built-in chip type, AD27 (1.17V) is connected to AD converter 04 by port select register 07 again, AD converter 04 compares AD27 (1.17V) and VREF (reference voltage end of A/D sampling) 02, thereby draw sampled value, the AD sampled value that obtains 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 formula to calculate:
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, be used for judging in the first Preset Time scope whether cell voltage remains in the first predeterminated voltage scope; The first display sub-module when being used in cell voltage remains on the first predeterminated voltage scope, shows the first capacity prompt information; And second display sub-module, be used for when cell voltage is not in the first predeterminated voltage scope, showing the second capacity prompt information.When showing the first capacity prompt information, the first display sub-module shows by only showing battery symbol; When showing the second capacity prompt information, the second display sub-module shows that by combination battery symbol and electric weight symbol show.
When completely measuring take remote controller battery voltage as 2.6V as example, selecting 0V~2.2V is the first predeterminated voltage scope, then the first capacity prompt information represents that cell voltage has been less than or equal to 2.2V, 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 is judged cell voltage by the judgement submodule in the Preset Time scope, the capacity prompt information different according to judgment result displays is so that the user can be by the scope of the current cell voltage of capacity prompt information acquisition.
Not enough in order to make the user in time know battery electric quantity, preferably, the pick-up unit of remote controller battery voltage also comprises: alarm module is used for sending alerting signal when the first display sub-module shows the first capacity prompt information, wherein, alerting signal is used for the battery electric quantity deficiency of prompting telepilot.
Introduce at last the embodiment of the pick-up unit of remote controller battery voltage.
Fig. 3 is the detection method process flow diagram according to the remote controller battery voltage of the embodiment of the invention, and as shown in Figure 3, the method comprises that following step S102 is to step S106:
Step S102: the voltage of voltage regulation to the control chip of telepilot carries out the A/D sampling, obtains sampled value, wherein, is provided with the A/D sampling channel in control chip, and the reference voltage end of A/D sampling channel is connected with the battery of telepilot.Concrete control chip inner connecting way as shown in Figure 2, preamble has associated description, omits herein.
Step S104: the cell voltage that calculates telepilot according to sampled value.
Can adopt following formula to calculate:
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: show capacity prompt information according to cell voltage.
In this embodiment, the detection method of cell voltage is based on the circuit function of built-in chip type, take cell voltage as reference voltage, voltage of voltage regulation is sampled, and Extrapolation goes out cell voltage after the sampling, and carries out the battery electric quantity demonstration, cost is low, makes things convenient for the user to check the real-time condition of battery electric quantity.
For reminding user is changed battery when battery electric quantity is low, preferably, show that according to cell voltage capacity prompt information comprises: judge in the first Preset Time scope whether cell voltage remains in the first predeterminated voltage scope; If cell voltage remains in the first predeterminated voltage scope, then show the first capacity prompt information, if and cell voltage is not in the first predeterminated voltage scope, then show the second capacity prompt information, wherein, the first predeterminated voltage scope is electric weight corresponding voltage range when not enough, and the user can according to the capacity prompt information that shows, judge to learn whether need to change battery.
For when battery electric quantity is not enough, directly the user is reminded, preferably, also comprise according to the detection method of remote controller battery voltage of the present invention: when showing the first capacity prompt information, send alerting signal, wherein, alerting signal is used for the battery electric quantity deficiency of prompting telepilot.As long as when battery electric quantity was not enough, telepilot just sent certain sound, so that the user understands remote controller battery electric weight situation more timely, in time charging or replacing battery.
Preferably, by only showing that battery symbol shows the first capacity prompt information; And show that by combination battery symbol and electric weight symbol show the second capacity prompt information.
In order to make the user further understand the cell voltage situation, preferably, by showing that battery symbol and electric weight symbol show that the second capacity prompt information comprises: in the second Preset Time scope cell voltage and default a plurality of voltage ranges are mated, default a plurality of voltage ranges comprise the second predeterminated voltage scope and the 3rd predeterminated voltage scope; If cell voltage remains on the second predeterminated voltage scope, then show that by combination battery symbol and the first electric weight symbol show the second capacity prompt information; And if cell voltage remains on the 3rd predeterminated voltage scope, then show that by combination battery symbol and the second electric weight symbol show the second capacity prompt information.
Fig. 4 (a) is that A refers to the display panel of telepilot among each figure according to the synoptic diagram of the remote controller battery electric weight demonstration of the embodiment of the invention to Fig. 4 (d), the synoptic diagram that the battery electric quantity that B1 to B4 is respectively different shows.When still completely measuring take remote controller battery voltage as 2.6V as example, selecting 0V~2.2V is the first predeterminated voltage scope, when cell voltage during in this scope, only shows battery symbol, shown in Fig. 4 (a); When cell voltage during not in this scope, illustrate that battery does not also arrive the situation of electric weight deficiency, at this moment, with the further by stages of the magnitude of voltage (greater than 2.2V) outside the first predeterminated voltage scope, be divided into a plurality of voltage ranges, as shown in Figure 5, in the second Preset Time (T second), cell voltage and default a plurality of voltage ranges are mated:
1, continuous T detects 2.2V<cell voltage≤2.3V second, shows 1 lattice electric weight and battery symbol, shown in Fig. 4 (b);
2, continuous T detects 2.3V<cell voltage<2.6V second, shows 2 lattice electric weight and battery symbols, shown in Fig. 4 (c);
3, continuous T detects 2.6V≤cell voltage second, shows 3 lattice electric weight and battery symbols, shown in Fig. 4 (d).
When each replacing battery, be initialized as 3 lattice electric weight, in 3 seconds, do not detect, detecting T for the first time after the initialization is 2 seconds, T is 6 seconds afterwards.In order to guarantee the accuracy of capacity prompt information, under the telepilot switching on and shutting down, all detect, also detect during signaling.
If battery is rechargeable battery, 2.3V~2.6V does special processing to voltage range, and in charging process, cell voltage increases gradually, when continuous T detects 2.3V<cell voltage<2.5V second, shows 2 lattice electric weight and battery symbols; In discharge process, show 1 lattice electric weight and battery symbol.General detection battery voltage error is positive and negative 0.1V (specifically must decide according to different chips self voltage detecting function error).
From above description, can find out, the present invention has realized following technique effect: realize the detection of cell voltage by the control chip of telepilot, and according to testing result demonstration capacity prompt information, need not additionally increase the measuring ability that hardware circuit is just realized the remote controller battery electric weight, implementation method is simple, and cost is low.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and 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 modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. the detection method of a remote controller battery voltage is characterized in that comprising:
Voltage of voltage regulation to the control chip of described telepilot carries out the A/D sampling, obtains sampled value, wherein, is provided with the A/D sampling channel in described control chip, and the reference voltage end of described A/D sampling channel is connected with the battery of described telepilot;
Calculate the cell voltage of described telepilot according to described sampled value; And
Show capacity prompt information according to described cell voltage.
2. the detection method of remote controller battery voltage according to claim 1 is characterized in that, the cell voltage that calculates described telepilot according to described sampled value comprises that the following formula of employing calculates:
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.
3. the detection method of remote controller battery voltage according to claim 1 is characterized in that, shows that according to described cell voltage capacity prompt information comprises:
Judge in the first Preset Time scope whether described cell voltage remains in the first predeterminated voltage scope;
If described cell voltage remains in described the first predeterminated voltage scope, then show the first capacity prompt information; And
If described cell voltage in described the first predeterminated voltage scope, does not then show the second capacity prompt information.
4. the detection method of remote controller battery voltage according to claim 3 is characterized in that,
By only showing that battery symbol shows described the first capacity prompt information; And
Show that by combination described battery symbol and electric weight symbol show described the second capacity prompt information.
5. the detection method of remote controller battery voltage according to claim 4 is characterized in that, shows that by combination described battery symbol and described electric weight symbol show that described the second capacity prompt information comprises:
In the second Preset Time scope described cell voltage and default a plurality of voltage ranges are mated, described default a plurality of voltage ranges comprise the second predeterminated voltage scope and the 3rd predeterminated voltage scope;
If described cell voltage remains on described the second predeterminated voltage scope, then show that by combination described battery symbol and the first electric weight symbol show described the second capacity prompt information; And
If described cell voltage remains on described the 3rd predeterminated voltage scope, then show that by combination described battery symbol and the second electric weight symbol show described the second capacity prompt information.
6. the detection method of remote controller battery voltage according to claim 3 is characterized in that, also comprises:
Send alerting signal when showing described the first capacity prompt information, wherein, described alerting signal is used for pointing out the battery electric quantity of described telepilot not enough.
7. the pick-up unit of a remote controller battery voltage is characterized in that comprising:
Sampling module, be used for the voltage of voltage regulation of the control chip of described telepilot is carried out the A/D sampling, obtain sampled value, wherein, be provided with the 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;
Computing module is used for calculating according to described sampled value the cell voltage of described telepilot, and wherein, described sampled value is carried out the A/D sampling by the voltage of voltage regulation to the control chip of described telepilot and obtained; And
Display module is used for showing capacity prompt information according to described cell voltage.
8. the pick-up unit of remote controller battery voltage according to claim 7 is characterized in that, described display module comprises:
Judge submodule, be used for judging in the first Preset Time scope whether described cell voltage remains in the first predeterminated voltage scope;
The first display sub-module when being used in described cell voltage remains on described the first predeterminated voltage scope, shows the first capacity prompt information; And
The second display sub-module is used for showing the second capacity prompt information when described cell voltage is not in described the first predeterminated voltage scope.
9. the pick-up unit of remote controller battery voltage according to claim 8 is characterized in that,
Described the first display sub-module also is used for by only showing that battery symbol shows described the first capacity prompt information; And
Described the second display sub-module also is used for showing that by combination described battery symbol and electric weight symbol show described the second capacity prompt information.
10. the pick-up unit of remote controller battery voltage according to claim 8 is characterized in that, also comprises:
Alarm module is used for sending alerting signal when described the first display sub-module shows described the first capacity prompt information, and wherein, described alerting signal is used for pointing out the battery electric quantity of described telepilot not enough.
11. a telepilot is characterized in that, comprises the pick-up unit of each described remote controller battery voltage in the claim 7 to 10.
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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CN108957324A (en) * 2017-05-18 2018-12-07 佛山市顺德区美的电热电器制造有限公司 The detection device and method of electric cooking pot and wherein battery capacity

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