CN109445492A - Mobile communication device and its control method resistant to high temperatures - Google Patents
Mobile communication device and its control method resistant to high temperatures Download PDFInfo
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- CN109445492A CN109445492A CN201811261167.8A CN201811261167A CN109445492A CN 109445492 A CN109445492 A CN 109445492A CN 201811261167 A CN201811261167 A CN 201811261167A CN 109445492 A CN109445492 A CN 109445492A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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Abstract
This application discloses a kind of mobile communication device and its control methods resistant to high temperatures.This method comprises: obtaining environment temperature in real time；Judge whether the environment temperature is greater than or equal to the first default cooling temperature；If the environment temperature is greater than or equal to the described first default cooling temperature, the power for controlling the mobile communication device is reduced, to extend the operating time of the mobile communication device at high temperature.While present application addresses active cooling measure is used in the related technology, and increasing output power causes self-heating amount to improve, so that the technical problem that operating time at high temperature is shorter.
Description
Technical field
This application involves communication fields, in particular to a kind of mobile communication device and its control method resistant to high temperatures.
Background technique
In the locomotive of Chinese high-speed rail, GSM-R (Global System for Mobile Communications-
Railway, global railway mobile communcations system) device is mounted on headstock and tailstock portion (or being column tail), for scheduling net
The position of headstock and the tailstock is reported, and nets many operation datas reported on vehicle to scheduling, such as the GSM-R device of the tailstock, wherein
One function is that the GPS location for reporting the train tailstock is constantly netted to scheduling.When part compartment, which occurs, for train is detached from, the tailstock
GPS location will be shown as resting position on the net in scheduling, can prevent subsequent bullet train from knocking the vehicle of disconnection in this way,
Prevent great railway accident, thus it is guaranteed that the communication of GSM-R is unimpeded significant.Although locating for GSM-R device
There is air-conditioning on train cabinet, is 25 degree to keep the environment temperature of GSM-R device.But when air-conditioning because a variety of causes breaks down
When, the environment temperature in cabinet can be up to 85 degree, even up to 105 degree.Therefore under this limiting temperature, guarantee GSM-R
Communication duration it is extremely important.
The cool-down method of GSM-R device is to open active cooling measure at high temperature in the related technology, such as fan, thermally conductive
Pipe, Peltier etc., and simultaneously to avoid GSM-R device from being influenced to cause communication quality to reduce by high temperature and increase output power.
Since the above method is while using active cooling measure, and increasing output power causes self-heating amount to mention
Height, so that effect resistant to high temperatures is poor.
While for active cooling measure is used in the related technology, and increasing output power causes self-heating amount to mention
Height, so that the problem that effect resistant to high temperatures is poor, currently no effective solution has been proposed.
Summary of the invention
The main purpose of the application is to provide a kind of mobile communication device and its control method resistant to high temperatures, to solve correlation
While using active cooling measure in technology, and increasing output power causes self-heating amount to improve, so that effect resistant to high temperatures
The poor problem of fruit.To achieve the goals above, according to the one aspect of the application, a kind of resisting for mobile communication device is provided
High-temperature control method.
Control method resistant to high temperatures according to the mobile communication device of the application includes: real-time acquisition environment temperature；Judge ring
Whether border temperature is greater than or equal to the first default cooling temperature；If environment temperature is greater than or equal to the first default cooling temperature,
The power for then controlling mobile communication device reduces, to reduce the temperature of mobile communication device.
Further, before judging whether environment temperature is greater than or equal to the first default cooling temperature, further includes: judge ring
Whether border temperature is greater than or equal to the second default cooling temperature, wherein the second default cooling temperature is less than the first default cooling temperature
Degree；If environment temperature is greater than or equal to the second default cooling temperature, controls mobile communication device and open active heat removal component.
Further, this method further includes: judge whether environment temperature is greater than or equal to the default cooling temperature of third,
In, the default cooling temperature of third is greater than the first default cooling temperature；If environment temperature is greater than or equal to the default cooling temperature of third
Degree then controls mobile communication device and opens active heat removal component.
Further, this method further includes: controlling shifting if environment temperature is greater than or equal to the first default cooling temperature
Dynamic communication device opens active heat removal component.
Further, the temperature range of the first default cooling temperature is 45 DEG C to 105 DEG C.
Further, the temperature range of the first default cooling temperature is 60 DEG C to 105 DEG C, the temperature of the second default cooling temperature
Spending range is 40 DEG C to 60 DEG C.
Further, the temperature range of the first default cooling temperature is 40 DEG C to 60 DEG C, the temperature of the default cooling temperature of third
Spending range is 60 DEG C to 105 DEG C.
To achieve the goals above, according to the another aspect of the application, a kind of mobile communication device is provided.
Mobile communication device according to the application includes: temperature acquisition module, for obtaining environment temperature in real time；First sentences
Disconnected module, for judging whether environment temperature is greater than or equal to the first default cooling temperature；Power control module, if being used for ring
Border temperature is greater than or equal to the first default cooling temperature, then the power for controlling mobile communication device reduces, to extend mobile communication
The operating time of device at high temperature.
Further, the device further include: the second judgment module, for judging whether environment temperature is greater than or equal to second
Default cooling temperature, wherein the second default cooling temperature is less than the first default cooling temperature；First radiating control module, is used for
If environment temperature is greater than or equal to the second default cooling temperature, controls mobile communication device and open active heat removal component.
Further, the device further include: third judgment module, for judging whether environment temperature is greater than or equal to third
Default cooling temperature, wherein the default cooling temperature of third is greater than the first default cooling temperature；Second radiating control module, if
Environment temperature is greater than or equal to the default cooling temperature of third, then controls mobile communication device and open active heat removal component.
In the embodiment of the present application, by the way of obtaining environment temperature in real time, by judging whether environment temperature is greater than
Or it is equal to the first default cooling temperature, and the control mobile communication dress when environment temperature is greater than or equal to the first default cooling temperature
The power set reduces, and has achieved the purpose that reduce mobile communication device temperature, has not increased mobile communication device to realize
The technical effect of mobile communication device temperature is reduced in the case where calorific value, and then is solved in the related technology using actively cooling
While measure, and increasing output power causes self-heating amount to improve, so that the technical problem that cooling effect is poor.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the flow diagram according to a kind of control method resistant to high temperatures of mobile communication device of the embodiment of the present application；
Fig. 2 is illustrated according to the process of the control method resistant to high temperatures of another mobile communication device of the embodiment of the present application
Figure；
Fig. 3 is illustrated according to the process of the control method resistant to high temperatures of another mobile communication device of the embodiment of the present application
Figure；
Fig. 4 is the structural schematic diagram according to a kind of mobile communication device of the embodiment of the present application；
Fig. 5 is the structural schematic diagram according to another mobile communication device of the embodiment of the present application；
Fig. 6 is the structural schematic diagram according to another mobile communication device of the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process, method of a series of steps or units,
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed
Or the other step or units intrinsic for these process, methods, product or equipment.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
According to the present embodiment, a kind of control method resistant to high temperatures of mobile communication device is provided, Fig. 1 is provided by the present application
A kind of flow diagram of the control method resistant to high temperatures of mobile communication device, as shown in Figure 1, the method comprising the steps of, S101 is extremely walked
Rapid S103:
S101 obtains environment temperature in real time；
Environment temperature is obtained in real time by temperature sensor, which is the cabinet for being provided with mobile communication device
Interior air themperature or cabinet body temperature.
It should be noted that obtaining the mode of environment temperature can be arranged according to specific requirements, such as passed using contact temperature
Sensor or non-contact temperature sensor, the application are not specifically limited specific temperature acquisition modes.
S102 judges whether environment temperature is greater than or equal to the first default cooling temperature；
Mobile communication device has preset appropriate working temperature range at work, and is being more than its suitable work
When temperature range, the working effect of mobile communication device can be impacted, or even damage mobile communication device, it is therefore desirable to
Cool down when environment temperature is more than its suitable operating temperature range to mobile communication device.
Specifically, when mobile communication device is the GMS-R communication device that the train tailstock is arranged in, it can be by the first default drop
The range of temperature is set as 45 DEG C to 105 DEG C, on the one hand, due to most of GMS-R communication device that the train tailstock is arranged in
Appropriate working temperature all at 45 DEG C hereinafter, therefore when environment temperature be greater than 45 DEG C when, it is necessary to reduce power so that setting exist
The GMS-R communication device of the train tailstock cools down, and guarantees that it can continue to work at such a temperature, on the other hand, due to reducing function
Rate can influence the communication effect of GMS-R communication device to a certain extent, while a part of GMS-R communication device inherently has
Such as the active cooling element of fan, the active cooling element having by itself can also reduce certain temperature, therefore for
Part GMS-R communication device can be by the first default cooling temperature setting to 85 DEG C, and the GMS-R when environment temperature is 85 DEG C is logical
News device active cooling element independent can not make GMS-R communication device maintain normal operating conditions, it is necessary to pass through drop
For low-power so as to which the GMS-R communication device cooling of the train tailstock is arranged in, guarantee can continue to work at such a temperature.
It should be noted that deterministic process can take the difference for calculating environment temperature and the first default cooling temperature next real
It is existing, when presetting the difference of cooling temperature with first such as set environment temperature as less than or equal to 0, S103 is thened follow the steps, specifically
Deterministic process can be set according to specific requirements, and the application does not limit specific deterministic process.
It should be noted that the appropriate working temperature range of different mobile communication device is different, therefore the first default drop
Temperature can be specifically arranged according to specific mobile communication device and use environment, and the application is not to the first default cooling
The specific value of temperature limits.
If S103 environment temperature is greater than or equal to the first default cooling temperature, the power drop of mobile communication device is controlled
It is low, to extend the operating time of mobile communication device at high temperature.
When environment temperature is greater than or equal to the first default cooling temperature, then the power for controlling mobile communication device reduces,
To reduce the fever of mobile communication device itself, to realize the effect of cooling.
It should be noted that reducing communication matter since high temperature can impact all devices in mobile communication device
Amount, therefore the application is under the premise of guaranteeing the communication function of mobile communication device, to reduce the function of mobile communication device
Rate, to realize the cooling to mobile communication device.When it is implemented, the information of the transmission according to required for mobile communication device,
The existing net of transmission range, output power and mobile communication device receives the reduction number that the data such as level specifically to be arranged power
Value, the application are not specifically limited the reduction numerical value of power.
It should be noted that being greater than or equal to for the mobile communication device with active cooling element in environment temperature
When the first default cooling temperature, active cooling element can also be opened simultaneously, improve cooling efficiency.
In the embodiment of the present application, by the way of obtaining environment temperature in real time, by judging whether environment temperature is greater than
Or it is equal to the first default cooling temperature, and the control mobile communication dress when environment temperature is greater than or equal to the first default cooling temperature
The power set reduces, and has achieved the purpose that reduce mobile communication device temperature, has not increased mobile communication device to realize
The technical effect of mobile communication device temperature is reduced in the case where calorific value, and then is solved in the related technology using actively cooling
While measure, and increasing output power causes self-heating amount to improve, so that the technical problem that cooling effect is poor.
In a feasible embodiment, before executing step S102, Fig. 2 is provided by the present application another mobile logical
The flow diagram for interrogating the control method resistant to high temperatures of device, as shown in Fig. 2, the control method resistant to high temperatures of this mobile communication device is also
Including step S201 to step S202:
S201 judges whether environment temperature is greater than or equal to the second default cooling temperature, wherein the second default cooling temperature
Less than the first default cooling temperature；
It, can be in environment since a part of mobile communication device has the active heat removal component of such as Peltier or fan
When temperature is greater than or equal to the second default cooling temperature, active heat removal component is first opened for radiating, and ensure that in environment temperature
When degree is preset between cooling temperature for the second default cooling temperature to first, mobile communication device keeps normal power.
Specifically, can be incited somebody to action when mobile communication device is the GMS-R communication device with fan that the train tailstock is arranged in
The temperature range of second default cooling temperature is set as 45 DEG C to 60 DEG C, the temperature range of the first default cooling temperature be 60 DEG C extremely
105 DEG C, since the cooling effect of the cool-down methods such as fan, Peltier is limited, while to guarantee that mobile communication device can be the
It keeps in communication when two default cooling temperature are between the first default cooling temperature quality, therefore this is lower at 45 DEG C to 60 DEG C
Active cooling element is opened when temperature.
It should be noted that the appropriate working temperature range of different mobile communication device and its active being equipped with cooling
Component is different, therefore the second default cooling temperature can be specifically arranged according to specific mobile communication device and use environment,
The application does not limit the specific value of the second default cooling temperature.
If S202 environment temperature is greater than or equal to the second default cooling temperature, controls mobile communication device and open actively
Thermal component.
When environment temperature is greater than or equal to the second default cooling temperature, then controls mobile communication device and open active heat removal
Component, to extend the operating time of mobile communication device at high temperature, to realize the effect of cooling.
Specifically, when being provided with fan in mobile communication device the second default drop can be greater than or equal in environment temperature
Fan is opened when temperature to radiate, or when being provided with Peltier in mobile communication device, can be greater than in environment temperature
Or Peltier is opened when equal to the second default cooling temperature and is radiated.
In a feasible embodiment, Fig. 3 is the control resistant to high temperatures of another mobile communication device provided by the present application
The flow diagram of method processed, as shown in figure 3, the control method resistant to high temperatures of this mobile communication device further includes that step S301 is extremely walked
Rapid S302:
S301 judges whether environment temperature is greater than or equal to the default cooling temperature of third, wherein the default cooling temperature of third
Greater than the first default cooling temperature；
For the installation environment of some more narrow and closed mobile communication device, the ring when being abnormal situation
The raising of border temperature is also more quick, therefore then needs to be greater than or equal to the first default cooling in environment temperature in response to the above problems
When temperature, the cool-down method for reducing power is directly taken so that the temperature of mobile communication device reduces, and increases in constant temperature
When cooling temperature default to third, opens active heat removal component and improve cooling effect.
Specifically, when mobile communication device is the GMS-R communication device and train with fan that the train tailstock is arranged in
When tailstock narrow space, the temperature range of the first default cooling temperature can be set as to 45 DEG C to 60 DEG C, the default cooling temperature of third
The temperature range of degree is set as 60 DEG C to 105 DEG C, since train tailstock narrow space causes temperature to increase comparatively fast, in environment temperature
When being increased to 45 DEG C to 60 DEG C, the working condition of the GMS-R communication device with fan of the train tailstock is largely set all
It will receive the influence of temperature, therefore avoid environment temperature raising is too fast from causing active cooling element that mobile communication can not be effectively reduced
The temperature of device damages mobile communication device in turn, therefore need to directly adopt the method for reducing power and cool down, and works as environment
When temperature is further increased to 60 DEG C to 105 DEG C, due to that can not continue to reduce to guarantee the communication quality of mobile communication device
Power cools down, therefore need to open active heat removal component and improve cooling effect.
If S302 environment temperature is greater than or equal to the default cooling temperature of third, controls mobile communication device and open actively
Thermal component.
When environment temperature, which is greater than or equal to third, presets cooling temperature, then controls mobile communication device and open active heat removal
Component further decreases the temperature of mobile communication device on the basis of reducing power, to reinforce the effect of cooling.
Specifically, when being provided with fan in mobile communication device the default drop of third can be greater than or equal in environment temperature
Fan is opened when temperature to radiate, or when being provided with Peltier in mobile communication device, can be greater than in environment temperature
Or unlatching Peltier when cooling down temperature is preset equal to third and is radiated.
Based on the same technical idea, the embodiment of the present application also provides a kind of structural schematic diagram of mobile communication device,
Fig. 4 is a kind of structural schematic diagram of mobile communication device provided by the present application, as shown in figure 4, the device includes:
41 temperature acquisition modules, for obtaining environment temperature in real time；
42 first judgment modules, for judging whether environment temperature is greater than or equal to the first default cooling temperature；
43 power control modules control movement if being greater than or equal to the first default cooling temperature for environment temperature
The power of communication device reduces, to extend the operating time of mobile communication device at high temperature.
For example, by be arranged in the train tailstock have GMS-R communication device for, the GMS-R communication dress in have
41 temperature acquisition modules (such as general temperature sensor chip), 42 first judgment modules (such as ARM chip processor) and
43 power control modules (such as Modem chip of Intel), wherein the first default cooling temperature is set as 50 DEG C, 43 power controls
Molding block can control respectively output power in 38dBm, 37dBm, 36dBm and 35dBm.
The GMS-R communication device is arranged in the tailstock train cabinet of Chinese high-speed rail train, is 85 DEG C in environment temperature,
When the output power of GSM-R communication device is 38dBm, sustainable operating time (i.e. working life) is 1 minute；When by environment temperature
When output power when degree is 85 DEG C is reduced to 37dBm, sustainable operating time is 3 minutes；When being 85 DEG C by environment temperature
Output power when being reduced to 36dBm, sustainable operating time is 7 minutes；Output power when being 85 DEG C by environment temperature
When being reduced to 35dBm, sustainable operating time is 14 minutes, is 85 DEG C, communicates in environment temperature at this point, having reached railway communication
Requirement in duration holding 10 minutes or more.
Meanwhile when output power drops to 35dBm, railway communication can not be interrupted, only so that scheduling base station receives
Signal level reduce 2dB, and for receive level change 20dB or more GSM-R communication network for, the variation of 2dB can neglect
Slightly, communication quality is not impacted substantially.Due to GSM-R existing net reception level mostly all in -70dBm or so,
And the sensitivity of GSM-R is all in -104dBm or so, so the reception level of existing net is reduced 2dB, being for existing net can be with
Receive.
In the embodiment of the present application, in such a way that 41 temperature acquisition modules are using environment temperature is obtained in real time, one is gone forward side by side
Step judges whether environment temperature is greater than or equal to the first default cooling temperature by 42 first judgment modules, and big in environment temperature
It is reduced, is reached by the power that 43 power control modules control mobile communication device when the first default cooling temperature
The purpose of mobile communication device temperature is reduced, is moved to realize and be reduced in the case where not increasing mobile communication device calorific value
While moving the technical effect of communication device temperature, and then solve in the related technology using active cooling measure, and increase
Output power causes self-heating amount to improve, so that the technical problem that effect resistant to high temperatures is poor.
In a feasible embodiment, Fig. 5 is the structural representation of another mobile communication device provided by the present application
Figure, as shown in figure 5, device further include:
51 second judgment modules, for judging whether environment temperature is greater than or equal to the second default cooling temperature, wherein the
Two default cooling temperature are less than the first default cooling temperature；
52 first radiating control modules control if being greater than or equal to the second default cooling temperature for environment temperature
Mobile communication device opens active heat removal component.
In a feasible embodiment, Fig. 6 is the structural representation of another mobile communication device provided by the present application
Figure, as shown in fig. 6, device further include:
61 third judgment modules, for judging whether environment temperature is greater than or equal to the default cooling temperature of third, wherein the
Three default cooling temperature are greater than the first default cooling temperature；
62 second radiating control modules control movement if environment temperature is greater than or equal to the default cooling temperature of third
Communication device opens active heat removal component.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of control method resistant to high temperatures of mobile communication device characterized by comprising
Environment temperature is obtained in real time；
Judge whether the environment temperature is greater than or equal to the first default cooling temperature；
If the environment temperature is greater than or equal to the described first default cooling temperature, the function of the mobile communication device is controlled
Rate reduces, to extend the operating time of the mobile communication device at high temperature.
2. the control method resistant to high temperatures of mobile communication device according to claim 1, which is characterized in that in the judgement institute
It states before whether environment temperature be greater than or equal to the first default cooling temperature, further includes:
Judge whether the environment temperature is greater than or equal to the second default cooling temperature, wherein the described second default cooling temperature
Less than the described first default cooling temperature；
If the environment temperature is greater than or equal to the described second default cooling temperature, controls the mobile communication device and open
Active heat removal component.
3. the control method resistant to high temperatures of mobile communication device according to claim 1, which is characterized in that the method is also wrapped
It includes:
Judge whether the environment temperature is greater than or equal to the default cooling temperature of third, wherein the default cooling temperature of the third
Greater than the described first default cooling temperature；
If the environment temperature is greater than or equal to the default cooling temperature of the third, controls the mobile communication device and open
Active heat removal component.
4. the control method resistant to high temperatures of mobile communication device according to claim 1, which is characterized in that the method is also wrapped
It includes:
If the environment temperature is greater than or equal to the described first default cooling temperature, controls the mobile communication device and open
Active heat removal component.
5. the control method resistant to high temperatures of mobile communication device according to claim 1, which is characterized in that described first is default
The temperature range for the temperature that cools down is 45 DEG C to 105 DEG C.
6. the control method resistant to high temperatures of mobile communication device according to claim 2, which is characterized in that described first is default
The temperature range for the temperature that cools down is 60 DEG C to 105 DEG C, and the temperature range of the described second default cooling temperature is 40 DEG C to 60 DEG C.
7. the control method resistant to high temperatures of mobile communication device according to claim 3, which is characterized in that described first is default
The temperature range for the temperature that cools down is 40 DEG C to 60 DEG C, and the temperature range of the default cooling temperature of the third is 60 DEG C to 105 DEG C.
8. a kind of mobile communication device characterized by comprising
Temperature acquisition module, for obtaining environment temperature in real time；
First judgment module, for judging whether the environment temperature is greater than or equal to the first default cooling temperature；
Power control module controls institute if being greater than or equal to the described first default cooling temperature for the environment temperature
The power for stating mobile communication device reduces, to extend the operating time of the mobile communication device at high temperature.
9. mobile communication device according to claim 8, which is characterized in that further include:
Second judgment module, for judging whether the environment temperature is greater than or equal to the second default cooling temperature, wherein described
Second default cooling temperature is less than the described first default cooling temperature；
First radiating control module is controlled if being greater than or equal to the described second default cooling temperature for the environment temperature
It makes the mobile communication device and opens active heat removal component.
10. mobile communication device according to claim 8, which is characterized in that further include:
Third judgment module, for judging whether the environment temperature is greater than or equal to the default cooling temperature of third, wherein described
The default cooling temperature of third is greater than the described first default cooling temperature；
Second radiating control module controls institute if the environment temperature is greater than or equal to the default cooling temperature of the third
It states mobile communication device and opens active heat removal component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811261167.8A CN109445492A (en) | 2018-10-26 | 2018-10-26 | Mobile communication device and its control method resistant to high temperatures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811261167.8A CN109445492A (en) | 2018-10-26 | 2018-10-26 | Mobile communication device and its control method resistant to high temperatures |
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