CN103576092A - Remote controller and battery capacity detection device and method thereof - Google Patents
Remote controller and battery capacity detection device and method thereof Download PDFInfo
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Abstract
The invention discloses a remote controller, and a detection device and a detection method for battery capacity of the remote controller. The detection device includes: the data sampling unit is used for sampling the internal resistance and the voltage of the remote controller battery; the central processing unit comprises a control chip of the remote controller and is used for generating a first control signal when the internal resistance of the battery exceeds a first preset internal resistance range and when the voltage of the battery exceeds a first preset voltage range; and the output unit is used for outputting first alarm information used for indicating that the electric quantity of the battery of the remote controller is unqualified when receiving the first control signal. According to the invention, the control chip of the remote controller is used as the chip of the central processing unit of the battery electric quantity detection device to realize real-time electric quantity detection, a battery IC detection chip is not required to be additionally arranged, the cost of the remote controller battery electric quantity detection device is reduced, and meanwhile, the electric quantity is detected by utilizing two parameters of battery internal resistance and voltage, so that the electric quantity detection precision is ensured.
Description
Technical field
The present invention relates to telepilot field, in particular to pick-up unit and the detection method of a kind of telepilot and battery electric quantity thereof.
Background technology
Along with the fast development of household electrical appliance, telepilot is in electric control and is had important effect.In the use procedure of telepilot, usually can be because of battery former thereby cause telepilot to work, for example: because battery storage charge capacity is limited, tend to because battery electric quantity deficiency causes working; Be limited by the difference of battery processing technology, the excessive electric discharge of battery can cause battery inflatable, leakage to cause remote control circuitry to damage etc., thereby has affected the use of household electrical appliance.
At present, in order to detect the electric weight of battery in telepilot, prior art adopts special-purpose battery detecting IC chip, but chip cost is higher, has increased telepilot cost.
For the high problem of the battery electric quantity checking device cost of telepilot in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
Fundamental purpose of the present invention is to provide pick-up unit and the detection method of a kind of telepilot and battery electric quantity thereof, to solve the high problem of battery electric quantity checking device cost of telepilot.
To achieve these goals, according to an aspect of the present invention, provide a kind of pick-up unit of battery electric quantity of telepilot.
According to the pick-up unit of the battery electric quantity of telepilot of the present invention, comprise: data sampling unit, for internal resistance and the voltage of the remote controller battery of sampling; CPU (central processing unit), be connected with data sampling unit, for the internal resistance at battery, exceed the first default internal resistance scope and when the voltage of battery exceeds the first predeterminated voltage scope, produce the first control signal, wherein, CPU (central processing unit) comprises the control chip of telepilot; And output unit, be connected with CPU (central processing unit), for when receiving the first control signal, export the first warning information, wherein, the first warning information is for representing that the electric weight of remote controller battery is defective.
Further, when remote controller battery comprises the first battery and the second battery, CPU (central processing unit) also exceeds the second default internal resistance scope for the internal resistance at the first battery or the second battery, or when the voltage of the first battery or the second battery exceeds the second predeterminated voltage scope, produce the second control signal, wherein, the second control signal and the first control signal are different control signals; And output unit is also for when receiving the second control signal, exports the second warning information, wherein, the second warning information is for representing that the electric weight of the first battery and the second battery there are differences.
Further, this pick-up unit also comprises user operation unit, be connected with CPU (central processing unit), for receiving the control command of user's input, wherein, CPU (central processing unit) also continues when without coomand mode for user operation unit detected in Preset Time, control telepilot in dormant state, wherein, when telepilot is during in dormant state, each driving circuit of telepilot cuts out.
Further, user operation unit comprises keystroke handling circuit and infrared receiving processing circuit.
Further, this pick-up unit also comprises: storage unit, is connected with CPU (central processing unit), for storing voltage and the internal resistance of remote controller battery.
Further, this pick-up unit also comprises: Power Management Unit, is connected with CPU (central processing unit), for providing operating voltage to CPU (central processing unit).
Further, the display module that output unit is telepilot.
To achieve these goals, according to another aspect of the present invention, provide a kind of telepilot.
Telepilot according to the present invention comprises the pick-up unit of the battery electric quantity of any one telepilot provided by the invention.
To achieve these goals, according to a further aspect of the invention, provide a kind of detection method of battery electric quantity of telepilot.
According to the detection method of the battery electric quantity of telepilot of the present invention, comprise: internal resistance and the voltage of the data sampling unit sampling remote controller battery of telepilot; The control chip of telepilot judges whether the internal resistance of battery exceeds the first default internal resistance scope, when whether the voltage of battery exceeds the first predeterminated voltage scope; And the display module of the telepilot voltage that exceeds the first default internal resistance scope and battery in the internal resistance of battery is while exceeding the first predeterminated voltage scope, shows the first warning information, wherein, the first warning information is for representing that the electric weight of battery is defective.
Further, when remote controller battery comprises the first battery and the second battery, this detection method also comprises: the control chip of telepilot judges whether the internal resistance of the first battery exceeds the second default internal resistance scope, whether the internal resistance of the second battery exceeds the second default internal resistance scope, whether the voltage of the first battery exceeds the second predeterminated voltage scope, and whether the voltage of the second battery exceeds the second predeterminated voltage scope; And the display module of telepilot exceeds the second default internal resistance scope in the internal resistance of the first battery or the second battery, or when the voltage of the first battery or the second battery exceeds the second predeterminated voltage scope, show the second warning information, wherein, the second warning information is for representing that the electric weight of the first battery and the second battery there are differences.
Further, this detection method also comprises that the control chip of telepilot detects the order accepting state of the user operation unit of telepilot; When user operation unit detected in Preset Time, continue when without coomand mode, control telepilot in dormant state, wherein, when telepilot is during in dormant state, each driving circuit of telepilot cuts out, and user operation unit is for receiving the control command of user's input.
By the present invention, adopt the pick-up unit of the battery electric quantity of the telepilot that comprises following part: for the internal resistance of the remote controller battery of sampling and the data sampling unit of voltage, the CPU (central processing unit) that comprises the control chip of telepilot, when the voltage that exceeds the first default internal resistance scope and battery for the internal resistance at battery exceeds the first predeterminated voltage scope, produces the first control signal, and for when receiving the first control signal, output represents the output unit of the underproof warning information of electric weight of remote controller battery, by the present invention, the chip of the pick-up unit CPU (central processing unit) using the control chip of telepilot as battery electric quantity is realized the real-time detection of electric weight, without battery IC detection chip is additionally set, reduced the cost of the pick-up unit of remote controller battery electric weight, simultaneously, utilize two parameters of the internal resistance of cell and voltage to detect electric weight, guaranteed electric weight accuracy of detection, solved the high problem of battery electric quantity checking device cost of telepilot, and then reached when reducing battery electric quantity checking device effect, guarantee the effect of electric weight accuracy of detection.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the theory diagram of the pick-up unit of the battery electric quantity of the telepilot of first embodiment of the invention;
Fig. 2 is according to the theory diagram of the pick-up unit of the battery electric quantity of the telepilot of second embodiment of the invention; And
Fig. 3 is according to the process flow diagram of the detection method of the battery electric quantity of the telepilot of the embodiment of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is according to the theory diagram of the pick-up unit of the battery electric quantity of the telepilot of first embodiment of the invention, and as shown in Figure 1, this pick-up unit comprises data sampling unit 20, CPU (central processing unit) 40 and output unit 60.
Data sampling unit 20 is for internal resistance and the voltage of the remote controller battery of sampling simultaneously, and sampled value is transferred to CPU (central processing unit) 40.
CPU (central processing unit) 40 comprises the control chip of telepilot and peripheral interlock circuit, clock generating circuit etc., in control chip, prestore the first default internal resistance scope and the first predeterminated voltage scope, when receiving the internal resistance of cell of sampling and voltage, whether the internal resistance that judges battery exceeds the first default internal resistance scope, whether the voltage that judges battery exceeds the first predeterminated voltage scope, when the internal resistance of cell and battery voltage sampling value exceed the default parameter area, produce the first control signal, and transfer to output unit 60.
In this embodiment, the main control chip of the pick-up unit using the control chip of telepilot as battery electric quantity, by increasing peripheral circuit and relevant software programs, realize the real-time detection of battery electric quantity, without battery IC detection chip is additionally set, reduced the cost of the pick-up unit of remote controller battery electric weight.Meanwhile, utilize two parameters of the internal resistance of cell and voltage to detect electric weight, guaranteed electric weight accuracy of detection.In addition, when battery leakage, corresponding the changing of battery electric quantity meeting, by detecting electric weight reminding user, can make the timely treatment of battery leakage of user, and then avoids the battery circuit that leakage causes to damage.
When remote controller battery comprises a plurality of battery, for example telepilot uses two joint dry cells simultaneously, user usually can load in mixture new used batteries, or use different brands battery, no matter the mixed still different brands battery of new used batteries is mixed, there is the otherness of battery in capital, and battery electric quantity is when inconsistent, can cause service time of battery to shorten, life-span reduces, in order to address this problem, preferably, CPU (central processing unit) 40 is also for judging that whether each battery electric quantity is with being intended to certain scope, when the internal resistance of arbitrary battery exceeds the second default internal resistance scope, or when the voltage of arbitrary battery exceeds the second predeterminated voltage scope, generation is different from the second control signal of the first control signal, output unit 60 is also for when receiving the second control signal, output represents the second warning information that a plurality of battery electric quantities there are differences, for example, by sounding module, produce and continue buzzer, defective to represent battery electric quantity, or " battery there are differences in the demonstration screen display of display module, please use identical battery " etc. printed words, with prompting user, change in time battery.
For example, the battery of the 3V that the telepilot of take is conventional is example, and when the magnitude of voltage of a plurality of batteries is not unified in voltage range 2.2V-3.5V, or the internal resistance value of a plurality of batteries is not while being unified in internal resistance scope 0.321 Ω to 1.110 Ω, and prompting user changes battery.
Fig. 2 is according to the theory diagram of the pick-up unit of the battery electric quantity of the telepilot of second embodiment of the invention, as shown in Figure 2, this pick-up unit comprises environment temperature detecting unit 10, internal resistance detection unit 30, voltage detection unit 50, data sampling unit 20, CPU (central processing unit) 40, user operation unit 70, communication unit 80, output unit 60 and Power Management Unit 90.
Single-chip computer control system that comprises internal resistance detection, temperature detection, voltage detecting of pick-up unit that this embodiment provides, by sampling, processing, analysis and the execution of fixed cycle, to reach the function that detects battery electric quantity.
Wherein, master chip is by I2C bus and the communication of modules circuit, to collect sampled signal.CPU (central processing unit) 40 comprises single-chip microcomputer and peripheral interlock circuit, clock generating circuit etc.; User operation unit 70 comprises keystroke handling circuit, infrared receiving processing circuit etc.; Data sampling partly comprises data sampling unit 20, internal resistance of cell detecting unit 30, battery voltage detection unit 50 and environment temperature detecting unit 10; Communication unit 80 comprises I2C interlock circuit etc.; Power Management Unit 90, for providing operating voltage to CPU (central processing unit) 40, for example, is used 3V powered battery; Output unit 60 is preferably the display module of telepilot, comprises LCD/LED driving circuit etc.
Wherein, user operation unit 70 is for receiving the control command of user's input, CPU (central processing unit) 40 also continues when without coomand mode for user operation unit 70 detected in Preset Time, also be that user is not for a long time during remote controller, control telepilot in dormant state, when telepilot is during in dormant state, each driving circuit of telepilot cuts out, to reduce telepilot power consumption, save the electric weight of remote controller battery.When user is again during remote controller, telepilot is waken up automatically, exits dormant state, enters normal operating state.
Preferably, this pick-up unit also comprises storage unit, be connected with CPU (central processing unit) 40, for storing voltage and the internal resistance of remote controller battery, in concrete application, voltage, internal resistance state when detecting first successively battery and installing for the first time, and will detect data and preserve so that and late time data contrast.
In this embodiment, without setting up separately IC chip to detect battery electric quantity, only needing increases corresponding sample circuit and corresponding program is write after remote controller chip, just can realize the function that detects battery capacity, reduces the cost of remote controller battery electric quantity detection apparatus.In telepilot uses, can fixed cycle sampled voltage, internal resistance, according to voltage and internal resistance judgement battery current residual capacity, according to residual capacity size, come reminding user to change in time battery, guarantee the use reliably and with long-term of telepilot.And judging battery electric quantity by sampled voltage, internal resistance, accuracy of detection is high.
Fig. 3 is according to the process flow diagram of the detection method of the battery electric quantity of the telepilot of the embodiment of the present invention, and as shown in Figure 3, the method comprises that following step S102 is to step S106.
Step S102: internal resistance and the voltage of the data sampling unit sampling remote controller battery of telepilot.
Step S104: the control chip of telepilot judges whether the internal resistance of battery exceeds the first default internal resistance scope, and whether the voltage of battery exceeds the first predeterminated voltage scope.
Step S106: when the voltage that the display module of telepilot exceeds the first default internal resistance scope and battery in the internal resistance of battery exceeds the first predeterminated voltage scope, show the first warning information, wherein, the first warning information is for representing that the electric weight of battery is defective, preferably, by the printed words such as demonstration screen display " battery electric quantity is defective, please changes in time battery " of telepilot.
In this embodiment, after the internal resistance and voltage of the data sampling unit sampling battery of telepilot, by the control chip of telepilot, realize the step that battery electric quantity is analyzed, by the display module of telepilot, realize the demonstration of the defective information of battery electric quantity, without battery IC detection chip is additionally set, reduced the testing cost of remote controller battery electric weight.Meanwhile, utilize two parameters of the internal resistance of cell and voltage to detect electric weight, guaranteed electric weight accuracy of detection.In addition, when battery leakage, corresponding the changing of battery electric quantity meeting, by detecting electric weight reminding user, can make the timely treatment of battery leakage of user, and then avoids the battery circuit that leakage causes to damage.
When remote controller battery comprises a plurality of battery; for example telepilot uses two joint dry cells simultaneously; user usually can load in mixture new used batteries; or use different brands battery; no matter new used batteries are mixed or different brands battery is mixed, all can have the otherness of battery, and battery electric quantity is when inconsistent; can cause service time of battery to shorten, the life-span reduces.
In order to address this problem, preferably, when the battery of telepilot comprises the first battery and the second battery, this detection method also comprises: the control chip of telepilot judges whether the internal resistance of the first battery exceeds the second default internal resistance scope, whether the internal resistance of the second battery exceeds the second default internal resistance scope, whether the voltage of the first battery exceeds the second predeterminated voltage scope, and whether the voltage of the second battery exceeds the second predeterminated voltage scope; And the display module of telepilot exceeds the second default internal resistance scope in the internal resistance of the first battery or the second battery, or when the voltage of the first battery or the second battery exceeds the second predeterminated voltage scope, show the second warning information, wherein, the second warning information is for representing that the electric weight of the first battery and the second battery there are differences.
When telepilot does not use and battery while being still placed in telepilot for a long time, usually can there is due to over-discharge can the phenomenon of leakage in battery.In order to reduce battery power consumption, extend the serviceable life of battery, preferably, this detection method also comprises: the control chip of telepilot detects the order accepting state of the user operation unit of telepilot, for example, whether the button that detects telepilot is pressed, or whether the infrared receiver of telepilot receives user's order, when user operation unit detected in Preset Time, continue when without coomand mode, also be, when user is remote controller for a long time, control telepilot in dormant state, wherein, when telepilot is during in dormant state, each driving circuit of telepilot cuts out.User is again during remote controller, and telepilot is waken up automatically, exits dormant state, enters normal operating state.
From above description, can find out, the present invention has realized following technique effect: the chip of the pick-up unit CPU (central processing unit) using the control chip of telepilot as battery electric quantity is realized the real-time detection of electric weight, without battery IC detection chip is additionally set, reduced the cost of the pick-up unit of remote controller battery electric weight, meanwhile, utilize two parameters of the internal resistance of cell and voltage to detect electric weight, guaranteed electric weight accuracy of detection.
It should be noted that, in the step shown in the process flow diagram of accompanying drawing, can in the computer system such as one group of computer executable instructions, carry out, and, although there is shown logical order in flow process, but in some cases, can carry out shown or described step with the order being different from herein.
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 single calculation element, or 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 memory storage and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a pick-up unit for the battery electric quantity of telepilot, is characterized in that, comprising:
Data sampling unit, for internal resistance and the voltage of the remote controller battery of sampling;
CPU (central processing unit), be connected with described data sampling unit, for exceeding the first default internal resistance scope in the internal resistance of described battery and when the voltage of described battery exceeds the first predeterminated voltage scope, produce the first control signal, wherein, described CPU (central processing unit) comprises the control chip of described telepilot; And
Output unit, is connected with described CPU (central processing unit), for when receiving described the first control signal, exports the first warning information, and wherein, described the first warning information is for representing that the electric weight of described remote controller battery is defective.
2. the pick-up unit of the battery electric quantity of telepilot according to claim 1, is characterized in that, when described remote controller battery comprises the first battery and the second battery,
Described CPU (central processing unit) also exceeds the second default internal resistance scope for the internal resistance at described the first battery or described the second battery, or when the voltage of described the first battery or described the second battery exceeds the second predeterminated voltage scope, produce the second control signal, wherein, described the second control signal and described the first control signal are different control signals; And
Described output unit, also for when receiving described the second control signal, is exported the second warning information, and wherein, described the second warning information is for representing that the electric weight of described the first battery and described the second battery there are differences.
3. the pick-up unit of the battery electric quantity of telepilot according to claim 1, is characterized in that, also comprises:
User operation unit, be connected with described CPU (central processing unit), for receiving the control command of user's input, wherein, described CPU (central processing unit) also continues, when without coomand mode, to control described telepilot in dormant state, wherein for described user operation unit detected in Preset Time, when described telepilot is during in described dormant state, each driving circuit of described telepilot cuts out.
4. the pick-up unit of the battery electric quantity of telepilot according to claim 3, is characterized in that, described user operation unit comprises keystroke handling circuit and infrared receiving processing circuit.
5. the pick-up unit of the battery electric quantity of telepilot according to claim 1, is characterized in that, also comprises:
Storage unit, is connected with described CPU (central processing unit), for storing voltage and the internal resistance of described remote controller battery.
6. the pick-up unit of the battery electric quantity of telepilot according to claim 1, is characterized in that, also comprises:
Power Management Unit, is connected with described CPU (central processing unit), for providing operating voltage to described CPU (central processing unit).
7. the pick-up unit of the battery electric quantity of telepilot according to claim 1, is characterized in that, the display module that described output unit is described telepilot.
8. a telepilot, is characterized in that, comprises the pick-up unit of the battery electric quantity of the telepilot described in any one in claim 1 to 7.
9. a detection method for the battery electric quantity of telepilot, is characterized in that, comprising:
Internal resistance and the voltage of the data sampling unit sampling remote controller battery of telepilot;
The control chip of described telepilot judges whether the internal resistance of described battery exceeds the first default internal resistance scope, when whether the voltage of described battery exceeds the first predeterminated voltage scope; And
When the voltage that the display module of described telepilot exceeds the described first default internal resistance scope and described battery in the internal resistance of described battery exceeds described the first predeterminated voltage scope, show the first warning information, wherein, described the first warning information is for representing that the electric weight of described battery is defective.
10. the detection method of the battery electric quantity of telepilot according to claim 9, is characterized in that, when described remote controller battery comprises the first battery and the second battery, described method also comprises:
The control chip of described telepilot judges whether the internal resistance of described the first battery exceeds the second default internal resistance scope, whether the internal resistance of described the second battery exceeds the described second default internal resistance scope, whether the voltage of described the first battery exceeds the second predeterminated voltage scope, and whether the voltage of described the second battery exceeds described the second predeterminated voltage scope; And
The display module of described telepilot exceeds the described second default internal resistance scope in the internal resistance of described the first battery or described the second battery, or when the voltage of described the first battery or described the second battery exceeds described the second predeterminated voltage scope, show the second warning information, wherein, described the second warning information is for representing that the electric weight of described the first battery and described the second battery there are differences.
The detection method of the battery electric quantity of 11. telepilots according to claim 9, is characterized in that, also comprises:
The control chip of described telepilot detects the order accepting state of the user operation unit of described telepilot; And
When described user operation unit detected in Preset Time, continue when without coomand mode, control described telepilot in dormant state, wherein, when described telepilot is during in described dormant state, each driving circuit of described telepilot cuts out, and described user operation unit is for receiving the control command of user's input.
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