CN106791386A - A kind of image documentation equipment and its charge control method - Google Patents
A kind of image documentation equipment and its charge control method Download PDFInfo
- Publication number
- CN106791386A CN106791386A CN201611130976.6A CN201611130976A CN106791386A CN 106791386 A CN106791386 A CN 106791386A CN 201611130976 A CN201611130976 A CN 201611130976A CN 106791386 A CN106791386 A CN 106791386A
- Authority
- CN
- China
- Prior art keywords
- battery module
- current
- temperature
- threshold
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of image documentation equipment and its charge control method, image documentation equipment includes microprocessor, temperature sensor, imageing sensor, battery module；The temperature sensor, the temperature for detecting described image sensor；The microprocessor, for when foreign current input is detected and described image sensor is in operating conditions, obtaining the temperature value of the described image sensor that the temperature sensor is detected；When the temperature value is more than first threshold, reduce the charging current of the battery module so as to adjust the temperature of described image sensor.Image documentation equipment provided in an embodiment of the present invention is in the state of charging and needing work, the temperature of imageing sensor of temperature sensor detection is obtained so as to control charging current, influence of the thermal noise to imageing sensor output image quality is weakened by the method for reducing charging current, so as to improve output image quality.
Description
Technical field
The present embodiments relate to electronic technology field, more particularly to a kind of image documentation equipment and its charge control method.
Background technology
Image documentation equipment (such as camera, video camera) has become more and more not as the equipment of record people's animation
Can or lack.At present, when image documentation equipment low-voltage needs to charge, charging current is equal to the target electricity that charging management chip is configured
Stream (maximum charging current that usually system can bear), because target current is generally larger, thus in battery and charge circuit
On can produce heat, and then cause image documentation equipment entirety temperature rise.And the noise density of the output image (or image) of image documentation equipment
With noise brightness and photo-sensitive cell CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxidation
Thing semiconductor) or CCD (Charge-coupled Device, charge coupled cell) temperature positive correlation.Therefore image documentation equipment fills
Image (or image) mass ratio exported when electric is low when normally using.
To sum up, image documentation equipment output image quality when charging is relatively low in the prior art.
The content of the invention
The embodiment of the present invention provides a kind of image documentation equipment and its charge control method, is used to solve image in the prior art and sets
The standby relatively low problem of output image quality when charging.
The embodiment of the invention provides a kind of image and set charge control method, including：
When foreign current input is detected and imageing sensor is in operating conditions, the institute that temperature sensor is detected is obtained
State the temperature value of imageing sensor；
When the temperature value is more than first threshold, reduce the charging current of battery module so as to adjust described image sensing
The temperature of device.
It is preferred that methods described also includes：
If detecting described image sensor for off working state, the charging current for configuring the battery module is first
Electric current, first electric current is the maximum current that the battery module can bear.
It is preferred that it is described when the temperature value is more than first threshold, reduce the charging current of battery module so as to adjust
The temperature of described image sensor, including：
When the temperature value is more than first threshold, the charging current for configuring the battery module is the second electric current, described
Second electric current is the minimum current sum of the minimum current and charging battery module for meeting the image documentation equipment work；
The temperature value be not more than the first threshold and with the difference of the first threshold Second Threshold scope it
When outer, the charging current for configuring the battery module is the first electric current, and the first electric current battery module can bear
Maximum current；
It is not more than the first threshold and with the difference of the first threshold in the Second Threshold model in the temperature value
When within enclosing, the charging current for configuring the battery module is the 3rd electric current, the 3rd electric current more than second electric current and
Less than first electric current.
It is preferred that the first threshold determines according to the pole temperature value of described image sensor, the pole temperature value
Determine in the following manner：
When the noise for detecting the image documentation equipment output image is more than four threshold values, the temperature of described image sensor is obtained
Angle value.
It is preferred that the battery module is charged by constant-current charge mode, the temperature sensor is passed positioned at described image
Sensor is either internally or externally.
The embodiment of the present invention also provides a kind of image documentation equipment, including microprocessor, temperature sensor, imageing sensor, electricity
Pond module；
The temperature sensor, is connected with described image sensor, the processor respectively, for detecting that described image is passed
The temperature of sensor；
The microprocessor, is connected with the temperature sensor, described image sensor, the battery module respectively, uses
In when foreign current input is detected and described image sensor is in operating conditions, obtain what the temperature sensor was detected
The temperature value of described image sensor；When the temperature value is more than first threshold, reduce the charging current of the battery module
So as to adjust the temperature of described image sensor.
It is preferred that the microprocessor, is additionally operable to：
If detecting described image sensor for off working state, the charging current for configuring the battery module is first
Electric current, first electric current is the maximum current that the battery module can bear.
It is preferred that the microprocessor, specifically for：
When the temperature value is more than first threshold, the charging current for configuring the battery module is the second electric current, described
Second electric current is the minimum current sum of the minimum current and charging battery module for meeting the image documentation equipment work；
The temperature value be not more than the first threshold and with the difference of the first threshold Second Threshold scope it
When outer, the charging current for configuring the battery module is the first electric current, and the first electric current battery module can bear
Maximum current；
It is not more than the first threshold and with the difference of the first threshold in the Second Threshold model in the temperature value
When within enclosing, the charging current for configuring the battery module is the 3rd electric current, the 3rd electric current more than second electric current and
Less than first electric current.
It is preferred that the temperature sensor is located at described image sensor either internally or externally, the microprocessor is also used
In：
When foreign current input is detected and described image sensor is in operating conditions, start the temperature sensor and enter
Enter operating conditions.
It is preferred that the battery module is charged by constant-current charge mode, the battery module include charging management chip,
The battery pack being connected with the charging management chip；
Charging current of the charging management chip according to the configuration adjustment battery pack of the microprocessor.
Image documentation equipment provided in an embodiment of the present invention and its charge control method, foreign current is detected by microprocessor
Input and when imageing sensor is in operating conditions, obtains the temperature value of imageing sensor that temperature sensor is detected, and works as temperature
When value is more than first threshold, reduce the charging current of battery module so as to adjust the temperature of described image sensor.Therefore, in shadow
In the state of being in and charge and need work as equipment, the temperature of imageing sensor of temperature sensor detection is obtained so as to control
Charging current, influence of the thermal noise to imageing sensor output image quality is weakened by the method for reducing charging current, so that
Improve output image quality.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, implements with the present invention
Example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 a are a kind of structured flowchart of image documentation equipment provided in an embodiment of the present invention；
Fig. 1 b are the structured flowchart of another image documentation equipment provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of image documentation equipment provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram that a kind of image documentation equipment provided in an embodiment of the present invention charges；
Fig. 4 is the method flow diagram that a kind of image documentation equipment provided in an embodiment of the present invention charges.
Specific embodiment
In order to improve image documentation equipment output image quality when charging, the present invention provides a kind of influence equipment, is set in image
It is standby in the state of charging and needing work, obtain the temperature of imageing sensor of temperature sensor detection so as to control to charge
Electric current, influence of the thermal noise to imageing sensor output image quality is weakened by the method for reducing charging current.It is of the invention real
Apply the image documentation equipment in example and be not limited to camera, the term " image documentation equipment " in the embodiment of the present invention can include having clapping
According to and/or the digital image device such as the camera of camera function, video camera and video camera.The embodiment of the present invention is applied to image and sets
It is standby to be in the state for charging and needing work, for example, the situation that camera is taken pictures while charging.
In order that technical problem solved by the invention, technical scheme and it is effective become more apparent, below in conjunction with
Figure of description is illustrated to the preferred embodiments of the present invention, it will be appreciated that preferred embodiment described herein is only used for
The description and interpretation present invention, is not intended to limit the present invention.And in the case where not conflicting, embodiment and reality in the application
Applying the feature in example can be mutually combined.
Fig. 1 a are a kind of structured flowchart of image documentation equipment provided in an embodiment of the present invention.As shown in Figure 1a, the present invention is implemented
Example provides a kind of image documentation equipment 100, including microprocessor 11, temperature sensor 12, imageing sensor 13, battery module 14.
Microprocessor 11 is integrated on the circuit board of image documentation equipment 100, and battery module 14 is by circuit and microprocessor 11
Connection.Temperature sensor 12 can also be arranged on the outside of imageing sensor 13, that is, be placed in the surface of imageing sensor 13, such as scheme
Shown in 1a.When temperature sensor 12 is arranged on the outside of imageing sensor 13, temperature sensor 12 is arranged at imageing sensor
13 surface, the output end of temperature sensor 12 is connected by circuit with microprocessor 11.Additionally, temperature sensor 12 can also
Be integrated in inside imageing sensor 13, such as it is integrated on circuit boards, as shown in Figure 1 b.Passed when temperature sensor 12 is arranged on image
During the inside of sensor 13, imageing sensor 13 connects through circuit and is connected with microprocessor 11.
In a kind of optional embodiment, as shown in Fig. 2 battery module 14 includes charging management chip 141 and Charge Management
The battery pack 142 of chip connection.The input of charging management chip 141 is connected by circuit with microprocessor 11, and output end is led to
Circuit is crossed to be connected with battery pack 142.The charging current of the configuration adjustment battery pack 142 according to microprocessor 11, Charge Management core
The temperature of the battery pack 142 that piece 141 feeds back according to thermistor R in battery pack 142, control charging current or termination are charged.
The image documentation equipment 100 of the embodiment of the present invention also includes other structures, such as camera lens, memory, display screen, port etc.,
Because the embodiment of the present invention relates generally to imageing sensor, temperature sensor, microprocessor and battery module, therefore other structures at this
Ignore in the explanation of inventive embodiments, it is also not shown in accompanying drawing.
In the embodiment of the present invention, temperature sensor 12, for the temperature of detection image sensor 13, optional model is such as
DS18B20 etc..
Imageing sensor 13, for output image signal, optional imageing sensor 13 includes photo-sensitive cell CMOS, electric charge coupling
Close element CCD etc..
The equipment that battery module 14 is the energy storage of image documentation equipment 100 and charging, wherein, charging management chip 141 has overheat
Defencive function, battery pack 142 is lithium battery group, is charged by constant-current charge mode.
Microprocessor 11, for when foreign current input is detected and imageing sensor 13 is in operating conditions, obtaining temperature
The temperature value of the imageing sensor 13 that degree sensor 12 is detected.
When image documentation equipment 100 charges, microprocessor such as SCP (Single Chip Microcomputer, single-sheet miniature
Computer) detect foreign current and be input into, judge whether imageing sensor 13 is in running order, at imageing sensor 13
When working condition, start-up temperature sensor 12 enters operating conditions, and obtains the imageing sensor that temperature sensor 12 is detected
13 temperature value C, when temperature value C is more than first threshold T1, reduces the charging current of battery module 14 and is passed so as to adjust image
The temperature of sensor 13.By obtaining the temperature of the imageing sensor 13 that temperature sensor 12 is detected so as to control charging current, lead to
Influence of the method decrease thermal noise for reducing charging current to the output image quality of imageing sensor 13 is crossed, so as to improve output figure
As quality.
Wherein, first threshold determines that pole temperature value can be by following according to the pole temperature value of imageing sensor 13
Mode determines：When the noise for detecting the output image of image documentation equipment 100 is more than four threshold values, the temperature of imageing sensor 13 is obtained
Value, wherein, the 4th threshold value is occur pole value when noise is deteriorated by the image of repetition test or emulation determination.
Specifically, can be analyzed according to image algorithm according to the imageing sensor 13 of different size model, microprocessor 11
Go out the pole value of image noise deterioration, using the temperature value of now imageing sensor 13 as pole temperature value, or according to image
The model of sensor 13 artificially sets pole temperature value, and usual pole temperature is 75 DEG C~85 DEG C.For example, pole temperature value is 80
DEG C, then first threshold T1 is set to 80 DEG C.
In a kind of optional embodiment, microprocessor 11 detect described image sensor 13 for off working state when,
In charging and idle situation, then it is the first electric current A1, the first electricity to configure the charging current of battery module 14 to such as camera
Stream A1 is the maximum current that battery module 14 can bear, such as 2A.
In a kind of optional embodiment, when temperature value C is more than first threshold T1, the configuration battery module 14 of microprocessor 11
Charging current for the second electric current A2, the second electric current A2 be meet image documentation equipment 100 work minimum current and battery module 14
The minimum current sum of charging.Now, the temperature of imageing sensor 13 has reached pole temperature value, and the thermal noise of generation will necessarily
The quality of output image is influenceed, shadow of the thermal noise to the output image quality of imageing sensor 13 is weakened by reducing charging current
Ring.
For example, the minimum current 50mA that battery charges, by measuring the system power dissipation of image documentation equipment 100 under non-charged state
Current value be 500mA, then the second electric current A2 be 550mA.
In a kind of optional embodiment, first threshold T1 is not more than and with first threshold T1 differences second in temperature value C
Threshold value T2 enclose outside when, microprocessor 11 configuration battery module 14 charging current be the first electric current A1.Now, imageing sensor
13 temperature is not enough to produce thermal noise, therefore charging current can be set into the maximum current that battery module 14 can bear.
Specifically, Second Threshold T2 can determine that such as Second Threshold T2 can be the first threshold by repetition test or emulation
The 10% of value T1, i.e., 8 DEG C.For example, temperature value C is 70 DEG C, the difference with first threshold T1 is 10 DEG C, more than Second Threshold T2 8
DEG C, then the charging current of the configuration of microprocessor 11 battery module 14 is 2A.
In a kind of optional embodiment, first threshold T1 is not more than and with the difference of first threshold T1 in temperature value C
When within the scope of two threshold value T2, the charging current of the configuration battery module 14 of microprocessor 11 is the 3rd electric current A3, the 3rd electric current A3
More than the second electric current A2 and less than the first electric current A1.Now, the temperature of imageing sensor 13 will produce thermal noise, therefore can be with
Charging current is set greater than the second electric current A2 and less than the first electric current A1, it is thus possible to charge in guarantee image documentation equipment 100
Ensure the picture quality of the output of imageing sensor 13 while speed.
Specifically, the 3rd electric current A3 can be the half of the first electric current A1, such as 1A.For example, temperature value C is 75 DEG C, with the
The difference of one threshold value T1 is 5 DEG C, and less than 8 DEG C of Second Threshold T2, then the charging current of the configuration of microprocessor 11 battery module 14 is
1A。
Image documentation equipment provided in an embodiment of the present invention, detects foreign current and is input into and imageing sensor by microprocessor
During in operating conditions, the temperature value of the imageing sensor that temperature sensor is detected is obtained, when temperature value is more than first threshold,
Reduce the charging current of battery module so as to adjust the temperature of described image sensor.Therefore, image documentation equipment be in charge and
Need in the state of work, the temperature of imageing sensor of temperature sensor detection is obtained so as to control charging current, by drop
The method of low charging current weakens influence of the thermal noise to imageing sensor output image quality, so as to improve output image matter
Amount.
The embodiment of the present invention also provides a kind of image documentation equipment charge control method, is applied to the influence equipment of above-described embodiment
In, image documentation equipment includes microprocessor, temperature sensor, imageing sensor, battery module.Temperature sensor is used for detection image
The temperature of sensing, optional model such as DS18B20 etc..Imageing sensor is used for output image signal, including photo-sensitive cell CMOS, electricity
Lotus coupling element CCD etc..The equipment that battery module is image documentation equipment energy storage and charging, wherein, charging management chip has overheat
Defencive function, battery pack is lithium battery group, is charged by constant-current charge mode.As shown in figure 3, for the embodiment of the present invention is provided
A kind of image documentation equipment charge method flow diagram schematic diagram, including：
Step 301：When foreign current input is detected and imageing sensor is in operating conditions, temperature sensor inspection is obtained
The temperature value of the described image sensor for measuring.
Step 302：When the temperature value is more than first threshold, it is described so as to adjust to reduce the charging current of battery module
The temperature of imageing sensor.
Specifically, when the temperature value is more than first threshold, it is the second electricity to configure the charging current of the battery module
Stream, second electric current be the minimum current and charging battery module for meeting image documentation equipment work minimum current it
With；It is not more than the first threshold and with the difference of the first threshold outside Second Threshold scope when in the temperature value,
The charging current of the battery module is configured for the first electric current, first electric current is the maximum electricity that the battery module can bear
Stream；It is not more than the first threshold and with the difference of the first threshold within the scope of the Second Threshold in the temperature value
When, the charging current for configuring the battery module is the 3rd electric current, and the 3rd electric current is more than second electric current and less than institute
State the first electric current.
Specifically, the first threshold is according to the determination of the pole temperature value of described image sensor, the pole temperature value
Determine in the following manner：When the noise for detecting the image documentation equipment output image is more than four threshold values, described image is obtained
The temperature value of sensor.
If it should be noted that detecting described image sensor for off working state, configuring the battery module
Charging current is the first electric current, and first electric current is the maximum current that the battery module can bear.
Additionally, the battery module in the embodiment of the present invention is charged by constant-current charge mode, temperature sensor is located at image
Sensor internal or outside.
Image documentation equipment charge control method provided in an embodiment of the present invention, is detecting foreign current input and image sensing
When device is in operating conditions, the temperature value of the imageing sensor that temperature sensor is detected is obtained, when temperature value is more than first threshold
When, reduce the charging current of battery module so as to adjust the temperature of described image sensor.Therefore, it is in image documentation equipment and is charged
And in the state of needing work, the temperature of imageing sensor of temperature sensor detection is obtained so as to control charging current, pass through
The method for reducing charging current weakens influence of the thermal noise to imageing sensor output image quality, so as to improve output image matter
Amount.
The image documentation equipment charge control method that the present invention is provided is described in detail below by specific embodiment, such as
It is a kind of method flow diagram of image documentation equipment charging provided in an embodiment of the present invention shown in Fig. 4, including：
Step 401：Microprocessor has detected whether that foreign current is input into.If so, then performing step 402, otherwise terminate stream
Journey.
Specifically, microprocessor has detected whether that whether foreign current is input into for judging image documentation equipment in charging shape
State.
Step 402：Judge whether imageing sensor is in running order, if it is not, step 403 is performed, if so, then performing step
Rapid 404.
Step 403：The charging current for configuring battery module is the first electric current A1.
Wherein, the first electric current A1 is the maximum current that battery module can bear, such as 2A.For example, camera charge and not
The situation of work, can set charging current for 2A.
Step 404：Start-up temperature sensor enters operating conditions, obtains the temperature of the imageing sensor that temperature sensor is detected
Angle value C.
Step 405：Judge that whether temperature value C, more than first threshold T1, if so, performing step 406, otherwise performs step
407。
Step 406：The charging current for configuring battery module is the second electric current A2.
Wherein, the second electric current A2 be meet image documentation equipment work minimum current and charging battery module minimum current it
With.First threshold determines that pole temperature value can determine in the following manner according to the pole temperature value of imageing sensor：In inspection
When the noise for surveying image documentation equipment output image is more than four threshold values, the temperature value of imageing sensor is obtained, wherein, the 4th threshold value is
There is pole value when noise is deteriorated in the image determined by repetition test or emulation.
Specifically, figure can be analyzed according to image algorithm according to the imageing sensor of different size model, microprocessor
As the pole value of noise deterioration, using the temperature value of now imageing sensor as pole temperature value, or according to imageing sensor
Model pole temperature value is artificially set, usual pole temperature is 75 DEG C~85 DEG C.For example, pole temperature value is 80 DEG C, then will
First threshold T1 is set to 80 DEG C.
When temperature value C is more than first threshold T1, now, the temperature of imageing sensor has reached pole temperature value, generation
Thermal noise will necessarily influence the quality of output image, and thermal noise is weakened by reducing charging current to imageing sensor output figure
As the influence of quality.
For example, the minimum current 50mA that battery charges, by measuring the system power dissipation of image documentation equipment 100 under non-charged state
Current value be 500mA, then the second electric current A2 be 550mA.
Step 407：Whether temperature value C and first threshold T1 differences are judged outside Second Threshold T2 encloses, if so, performing step
Rapid 408, otherwise perform step 409.
Step 408：The charging current for configuring battery module is the first electric current A1.
When outside temperature value C is not more than first threshold T1 and is enclosed in Second Threshold T2 with first threshold T1 differences, micro- place
The charging current of reason device configuration battery module is the first electric current A1.Now, the temperature of imageing sensor is not enough to produce thermal noise,
Therefore charging current can be set to the maximum current that battery module can bear.
Specifically, Second Threshold T2 can determine that such as Second Threshold T2 can be the first threshold by repetition test or emulation
The 10% of value T1, i.e., 8 DEG C.For example, temperature value C is 70 DEG C, the difference with first threshold T1 is 10 DEG C, more than Second Threshold T2 8
DEG C, then the charging current of microprocessor configuration battery module is 2A.
Step 409：The charging current for configuring battery module is the 3rd electric current A3.
It is not more than first threshold T1 and with the difference of first threshold T1 within the scope of Second Threshold T2 when in temperature value C,
The charging current of microprocessor configuration battery module is the 3rd electric current A3, and the 3rd electric current A3 is more than the second electric current A2 and less than first
Electric current A1.Now, the temperature of imageing sensor 13 will produce thermal noise, therefore charging current can be set greater than into second
Electric current A2 and less than the first electric current A1, it is thus possible to ensure imageing sensor output while image documentation equipment charging rate is ensured
Picture quality.
Specifically, the 3rd electric current A3 can be the half of the first electric current A1, such as 1A.For example, temperature value C is 75 DEG C, with the
The difference of one threshold value T1 is 5 DEG C, and less than 8 DEG C of Second Threshold T2, then the charging current of microprocessor configuration battery module is 1A.
Image documentation equipment control method provided in an embodiment of the present invention, detects foreign current and is input into and schemes by microprocessor
When being in operating conditions as sensor, the temperature value of imageing sensor that temperature sensor is detected is obtained, when temperature value is more than the
During one threshold value, reduce the charging current of battery module so as to adjust the temperature of described image sensor.Therefore, at image documentation equipment
In the state of charging and needing work, the temperature of imageing sensor of temperature sensor detection is obtained so as to control the electricity that charges
Stream, weakens influence of the thermal noise to imageing sensor output image quality, so as to improve defeated by the method for adjusting charging current
Go out picture quality.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of image documentation equipment charge control method, it is characterised in that including：
When foreign current input is detected and imageing sensor is in operating conditions, the figure that temperature sensor is detected is obtained
As the temperature value of sensor；
When the temperature value is more than first threshold, reduce the charging current of battery module so as to adjust described image sensor
Temperature.
2. the method for claim 1, it is characterised in that also include：
If detecting described image sensor for off working state, it is the first electricity to configure the charging current of the battery module
Stream, first electric current is the maximum current that the battery module can bear.
3. the method for claim 1, it is characterised in that described when the temperature value is more than first threshold, reduces electricity
The charging current of pond module so as to adjust the temperature of described image sensor, including：
When the temperature value is more than first threshold, the charging current for configuring the battery module is the second electric current, described second
Electric current is the minimum current sum of the minimum current and charging battery module for meeting the image documentation equipment work；
It is not more than the first threshold and with the difference of the first threshold outside Second Threshold scope when in the temperature value,
The charging current of the battery module is configured for the first electric current, first electric current is the maximum electricity that the battery module can bear
Stream；
The temperature value be not more than the first threshold and with the difference of the first threshold the Second Threshold scope it
When interior, the charging current for configuring the battery module is the 3rd electric current, and the 3rd electric current is more than second electric current and is less than
First electric current.
4. method as claimed in claim 3, it is characterised in that limit temperature of the first threshold according to described image sensor
Angle value determines that the pole temperature value determines in the following manner：
When the noise for detecting the image documentation equipment output image is more than four threshold values, the temperature of described image sensor is obtained
Value.
5. the method as described in any one of Claims 1-4, it is characterised in that the battery module is by constant-current charge mode
Charge, the temperature sensor is located at described image sensor either internally or externally.
6. a kind of image documentation equipment, it is characterised in that including microprocessor, temperature sensor, imageing sensor, battery module；
The temperature sensor, is connected, with described image sensor, the processor for detecting described image sensor respectively
Temperature；
The microprocessor, is connected with the temperature sensor, described image sensor, the battery module respectively, for
Detect foreign current input and when described image sensor is in operating conditions, obtain that the temperature sensor detects is described
The temperature value of imageing sensor；When the temperature value is more than first threshold, reduce the charging current of the battery module so as to
Adjust the temperature of described image sensor.
7. image documentation equipment as claimed in claim 6, it is characterised in that the microprocessor, is additionally operable to：
If detecting described image sensor for off working state, it is the first electricity to configure the charging current of the battery module
Stream, first electric current is the maximum current that the battery module can bear.
8. image documentation equipment as claimed in claim 6, it is characterised in that the microprocessor, specifically for：
When the temperature value is more than first threshold, the charging current for configuring the battery module is the second electric current, described second
Electric current is the minimum current sum of the minimum current and charging battery module for meeting the image documentation equipment work；
It is not more than the first threshold and with the difference of the first threshold outside Second Threshold scope when in the temperature value,
The charging current of the battery module is configured for the first electric current, first electric current is the maximum electricity that the battery module can bear
Stream；
The temperature value be not more than the first threshold and with the difference of the first threshold the Second Threshold scope it
When interior, the charging current for configuring the battery module is the 3rd electric current, and the 3rd electric current is more than second electric current and is less than
First electric current.
9. image documentation equipment as claimed in claim 6, it is characterised in that the temperature sensor is located in described image sensor
Portion or outside, the microprocessor are additionally operable to：
When foreign current input is detected and described image sensor is in operating conditions, start the temperature sensor and enter work
Pose.
10. the image documentation equipment as described in any one of claim 6 to 9, it is characterised in that the battery module passes through constant-current charge
Mode charges, and the battery module includes the battery pack that charging management chip and the charging management chip are connected；
Charging current of the charging management chip according to the configuration adjustment battery pack of the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130976.6A CN106791386A (en) | 2016-12-09 | 2016-12-09 | A kind of image documentation equipment and its charge control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130976.6A CN106791386A (en) | 2016-12-09 | 2016-12-09 | A kind of image documentation equipment and its charge control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106791386A true CN106791386A (en) | 2017-05-31 |
Family
ID=58875807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611130976.6A Pending CN106791386A (en) | 2016-12-09 | 2016-12-09 | A kind of image documentation equipment and its charge control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106791386A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525753A (en) * | 2017-09-19 | 2019-03-26 | 谷歌有限责任公司 | Temperature Control Type photomoduel |
| US11546491B2 (en) | 2017-01-04 | 2023-01-03 | Google Llc | Camera assembly with concave-shaped front face |
| US11924532B2 (en) | 2017-01-04 | 2024-03-05 | Google Llc | Camera assembly with concave-shaped front face |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002108138A (en) * | 2001-07-09 | 2002-04-10 | Canon Inc | Image forming device |
| CN202307857U (en) * | 2011-09-29 | 2012-07-04 | 上海锐势机器视觉科技有限公司 | Heat radiation fin of CCD image sensor |
| CN104980561A (en) * | 2014-04-02 | 2015-10-14 | 维沃移动通信有限公司 | Mobile terminal for intelligently adjusting charging current and realizing method thereof |
| CN106161783A (en) * | 2016-06-27 | 2016-11-23 | 努比亚技术有限公司 | A kind of battery charge controller and method |
| CN106204524A (en) * | 2016-06-23 | 2016-12-07 | 凌云光技术集团有限责任公司 | A kind of method and device of evaluation image quality |
-
2016
- 2016-12-09 CN CN201611130976.6A patent/CN106791386A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002108138A (en) * | 2001-07-09 | 2002-04-10 | Canon Inc | Image forming device |
| CN202307857U (en) * | 2011-09-29 | 2012-07-04 | 上海锐势机器视觉科技有限公司 | Heat radiation fin of CCD image sensor |
| CN104980561A (en) * | 2014-04-02 | 2015-10-14 | 维沃移动通信有限公司 | Mobile terminal for intelligently adjusting charging current and realizing method thereof |
| CN106204524A (en) * | 2016-06-23 | 2016-12-07 | 凌云光技术集团有限责任公司 | A kind of method and device of evaluation image quality |
| CN106161783A (en) * | 2016-06-27 | 2016-11-23 | 努比亚技术有限公司 | A kind of battery charge controller and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11546491B2 (en) | 2017-01-04 | 2023-01-03 | Google Llc | Camera assembly with concave-shaped front face |
| US11924532B2 (en) | 2017-01-04 | 2024-03-05 | Google Llc | Camera assembly with concave-shaped front face |
| CN109525753A (en) * | 2017-09-19 | 2019-03-26 | 谷歌有限责任公司 | Temperature Control Type photomoduel |
| US11277546B2 (en) | 2017-09-19 | 2022-03-15 | Google Llc | Outdoor camera assembly |
| US11849198B2 (en) | 2017-09-19 | 2023-12-19 | Google Llc | Outdoor camera assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106791386A (en) | A kind of image documentation equipment and its charge control method | |
| US9509910B2 (en) | Power efficient image sensing apparatus, method of operating the same and eye/gaze tracking system | |
| CN108604112B (en) | Temperature control method, terminal equipment and device | |
| CN104571990A (en) | Method and system for adjusting operating state of display screen | |
| CN107343190A (en) | White balance adjusting method, apparatus and terminal device | |
| CN106604001B (en) | Image processing method, image processing apparatus, imaging device and electronic device | |
| CN109976450A (en) | Screen calibration method, device, electronic equipment and storage medium | |
| CN106412592B (en) | Image processing method, image processing apparatus, imaging device and electronic device | |
| CN102572238B (en) | Image pickup apparatus and control method therefor | |
| US11399136B2 (en) | Automated camera mode selection | |
| US10649880B2 (en) | Measurement coordination by monitoring of program code execution | |
| CN105323466B (en) | A kind of image pickup method and terminal based on scene | |
| CN106816929A (en) | Battery, terminal and battery protecting method | |
| CN104735248B (en) | A kind of temperature of mobile terminal rises the method and device of control | |
| CN105098871B (en) | The control method of mancarried device and its charging current | |
| CN102377939B (en) | Shooting device and image reappearance device | |
| CN105528050A (en) | Terminal and terminal display control method | |
| CN106370296A (en) | Detection method and system for the environment light by mobile terminal light sensor | |
| CN105847527A (en) | Method for preventing automatic shutdown of mobile terminal, and mobile terminal | |
| CN110006095B (en) | Multifunctional convection type electric heater | |
| CN107783563A (en) | A kind of terminal and the method for controlling terminal temperature | |
| CN103870728B (en) | control system, control method and computer system | |
| CN104965376B (en) | The adjusting method and system of a kind of terminal camera flash lamp | |
| CN104676833B (en) | A kind of information processing method and air-conditioning | |
| CN204231466U (en) | A kind of automatic light measuring mobile phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |