CN113959590A - Method and device for identifying state of carriage door, storage medium and equipment - Google Patents
Method and device for identifying state of carriage door, storage medium and equipment Download PDFInfo
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- CN113959590A CN113959590A CN202111220561.9A CN202111220561A CN113959590A CN 113959590 A CN113959590 A CN 113959590A CN 202111220561 A CN202111220561 A CN 202111220561A CN 113959590 A CN113959590 A CN 113959590A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008859 change Effects 0.000 claims abstract description 171
- 239000000523 sample Substances 0.000 claims abstract description 32
- 230000000630 rising effect Effects 0.000 claims abstract description 11
- 238000010257 thawing Methods 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/004—Control mechanisms
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The application discloses a method, a device, a storage medium and equipment for recognizing the state of a carriage door, wherein a first temperature change rate is acquired under the condition that the temperature of a first area is detected to be in a temperature rising state. A second rate of temperature change is obtained. And judging whether the second temperature change rate is smaller than the first temperature change rate. And under the condition that the second temperature change rate is smaller than the first temperature change rate, determining that the compartment door of the refrigerated vehicle is in an open state, and sending an alarm prompt to a driver. The state of the carriage door is determined by comparing the first temperature change rate with the second temperature change rate, and the first temperature change rate and the second temperature change rate are obtained by sensing the temperature probes pre-installed in the carriage.
Description
Technical Field
The present disclosure relates to the field of temperature detection, and in particular, to a method, an apparatus, a storage medium, and a device for identifying a state of a car door.
Background
With the diversification of transported products, the products are required to be guaranteed to be normally used when arriving at a destination during transportation, and cold chain transportation becomes the most important transportation mode at present. Whether a carriage door is in an open state needs to be remotely monitored in a cold chain transportation process so as to avoid accidents caused by careful opening of the carriage door.
Because installation door magnetism needs extra installation accessory on the carriage door, and need hug closely on carriage door edge during the door magnetism installation, can make and be scraped easily by the goods and bump the damage that causes when getting in stocks, often need maintain, lead to the maintenance cost height.
Therefore, how to accurately and effectively identify the state of the carriage door without modifying the hardware of the carriage door becomes a problem which needs to be solved in the field.
Disclosure of Invention
The application provides a method, a device, a storage medium and equipment for identifying the state of a carriage door, and aims to accurately and effectively identify the state of the carriage door under the condition that hardware transformation is not carried out on the carriage door.
In order to achieve the above object, the present application provides the following technical solutions:
a method for recognizing the state of a carriage door comprises the following steps:
under the condition that the temperature of the first area is detected to be in a temperature rising state, acquiring a first temperature change rate; the first area temperature is acquired by a temperature probe which is pre-installed at the door of the carriage; the first temperature change rate represents a change value of the first area temperature in preset unit time;
acquiring a second temperature change rate; the second temperature change rate represents a change value of the second area temperature in the preset unit time; the second region temperature is acquired by a temperature probe pre-installed on a refrigeration source;
judging whether the second temperature change rate is smaller than the first temperature change rate;
and under the condition that the second temperature change rate is smaller than the first temperature change rate, determining that the compartment door of the refrigerated vehicle is in an open state, and sending an alarm prompt to a driver.
Optionally, the method further includes:
and under the condition that the second temperature and the temperature change rate are greater than the first temperature change rate, determining that the carriage door is in a closed state, and prompting the driver that the refrigerator of the refrigerated vehicle is defrosting.
Optionally, the obtaining the second temperature change rate includes:
judging whether the first temperature change rate is greater than a preset threshold value or not;
and under the condition that the first temperature change rate is greater than the preset threshold value, determining that the compartment is not in a natural temperature return state, and acquiring a second temperature change rate.
Optionally, the method further includes:
and under the condition that the first temperature change rate is not greater than the preset threshold value, determining that the compartment door of the refrigerated vehicle is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
A device for recognizing a state of a door of a vehicle compartment, comprising:
the first acquiring unit is used for acquiring a first temperature change rate under the condition that the temperature of the first area is detected to be in a temperature rising state; the first area temperature is acquired by a temperature probe which is pre-installed at the door of the carriage; the first temperature change rate represents a change value of the first area temperature in preset unit time;
a second acquisition unit configured to acquire a second temperature change rate; the second temperature change rate represents a change value of the second area temperature in the preset unit time; the second region temperature is acquired by a temperature probe pre-installed on a refrigeration source;
a first judgment unit configured to judge whether the second temperature change rate is smaller than the first temperature change rate;
and the first determining unit is used for determining that the compartment door of the refrigerator car is in an open state and sending an alarm prompt to a driver under the condition that the second temperature change rate is smaller than the first temperature change rate.
Optionally, the method further includes:
and the second determining unit is used for determining that the carriage door is in a closed state and prompting the driver that the refrigerator of the refrigerated vehicle is defrosting under the condition that the second temperature change rate is greater than the first temperature change rate.
Optionally, the second obtaining unit is specifically configured to:
judging whether the first temperature change rate is greater than a preset threshold value or not;
and under the condition that the first temperature change rate is greater than the preset threshold value, determining that the compartment is not in a natural temperature return state, and acquiring a second temperature change rate.
Optionally, the second obtaining unit is further configured to:
and under the condition that the first temperature change rate is not greater than the preset threshold value, determining that the compartment door of the refrigerated vehicle is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
A computer-readable storage medium including a stored program, wherein the program executes the method of identifying a state of a car door.
An apparatus for recognizing a state of a door of a vehicle, comprising: a processor, a memory, and a bus; the processor and the memory are connected through the bus;
the memory is used for storing a program, and the processor is used for executing the program, wherein the program executes the method for identifying the state of the carriage door during running.
According to the technical scheme, the first temperature change rate is obtained under the condition that the temperature of the first area is detected to be in the temperature rising state. A second rate of temperature change is obtained. And judging whether the second temperature change rate is smaller than the first temperature change rate. And under the condition that the second temperature change rate is smaller than the first temperature change rate, determining that the compartment door of the freezing vehicle is in an open state. The first temperature change rate and the second temperature change rate are compared to determine the state of the compartment door (specifically, when the second temperature change rate is smaller than the first temperature change rate, it is determined that the compartment door is in an open state), and the first temperature change rate and the second temperature change rate are both obtained through sensing of temperature probes (temperature probes are generally installed on the compartment of the refrigerator car) installed in the compartment in advance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view illustrating a method for identifying a state of a car door according to an embodiment of the present disclosure;
FIG. 2 is a schematic view illustrating an installation of a temperature probe inside a compartment door according to an embodiment of the present disclosure;
fig. 3 is a schematic view illustrating a natural temperature return state of a compartment according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating a defrosting state of a refrigeration head according to an embodiment of the present disclosure;
fig. 5 is a flowchart of another car door status identification method according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a device for identifying a state of a car door according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a flowchart of a method for identifying a state of a car door provided in an embodiment of the present application includes the following steps:
s101: and under the condition that the temperature of the first area is detected to be in a temperature rising state, acquiring a first temperature change rate.
The first temperature change rate represents a change value of a first area temperature in unit time, and the first area temperature is a temperature acquired by a temperature probe which is pre-installed at a door opening of a carriage door.
Specifically, the installation position of the temperature probe can be seen in fig. 2. In fig. 2, the first temperature probe represents a temperature probe installed at a door doorway of a car for collecting a first zone temperature. The second temperature probe represents a temperature probe mounted at the source of refrigeration for acquiring a second zone temperature.
S102: and judging whether the first temperature change rate is greater than a preset threshold value.
If the first temperature change rate is greater than the preset threshold, S103 is executed, otherwise S104 is executed.
S103: and determining that the compartment of the refrigerated vehicle is not in a natural temperature return state, and acquiring a second temperature change rate.
After execution of S103, execution continues with S105.
The first temperature change rate is greater than a preset threshold value, which indicates that the temperature of the first area rises and is not caused by the fact that the compartment is in a natural temperature return state, and at the moment, whether the temperature rises due to the loss of cold air in the compartment caused by the opening of the compartment door needs to be further judged, so that the second temperature change rate is continuously obtained.
In this embodiment of the application, the second temperature change rate represents a change value of a second area temperature in a preset unit time, and the second area temperature is a temperature acquired by a temperature probe pre-installed at a refrigeration source.
The so-called natural state of temperature recovery is essentially: when the door is closed, the cool air located at the door attachment meets the remaining outside air, resulting in an increase in the temperature of the area of the door attachment, i.e., the first area.
S104: and determining that the compartment door of the refrigerator car is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
When it is determined that the car door is in the closed state, the refrigerator is closed, and the cool air located near the car door meets the residual outside air, resulting in a temperature rise in the car, the temperature change rate collected by the temperature probe is slowly increased, that is, the first temperature change rate and the second temperature change rate are slowly increased. The respective changes of the first zone temperature and the second zone temperature in the state where the vehicle cabin is in the natural state of temperature return can be seen from fig. 3.
S105: and judging whether the second temperature change rate is smaller than the first temperature change rate.
If the second temperature change rate is smaller than the first temperature change rate, S106 is executed, otherwise S107 is executed.
S106: and determining that the compartment door of the refrigerator car is in an open state, and sending an alarm prompt to a driver.
When the compartment door of the freezing vehicle is detected to be in an open state, an alarm prompt is sent to a driver, and traffic accidents of the freezing vehicle in the driving process can be effectively avoided.
S107: and determining that the compartment door of the refrigerator car is in a closed state, and prompting a driver that the refrigerator of the refrigerator car is defrosting.
And if the second temperature change rate is not less than the first temperature change rate, the temperature of the second area is in a temperature rising state, and the temperature rising efficiency of the temperature of the second area is greater than that of the first area. Generally speaking, under the condition that the car door is in the open state and the refrigerator is normally refrigerating, the heating efficiency of the second area temperature should be far less than that of the first area temperature, and only when the car door is closed and the refrigerator is defrosted, the heating efficiency of the second area temperature can be greater than that of the first area temperature. Therefore, when it is detected that the second rate of temperature change is not less than the first rate of temperature change, it is determined that the compartment door is in the closed state and the refrigerator of the refrigerator car is defrosting. Specifically, when the car door is in the open state and the refrigerator is normally cooling, the temperature of the first area and the temperature of the second area change as shown in fig. 4.
In summary, the state of the car door is determined by comparing the first temperature change rate and the second temperature change rate (specifically, when the second temperature change rate is smaller than the first temperature change rate, it is determined that the car door is in the open state), and the first temperature change rate and the second temperature change rate are both sensed by the temperature probes (the temperature probes are generally mounted on the car of the refrigerator car) mounted in the car in advance.
It should be noted that, in the above embodiments, reference to S104 is an alternative implementation manner of the method for identifying a state of a car door described in this application. In addition, S107 mentioned in the above embodiments is also an optional implementation manner of the method for identifying the state of the car door described in this application. For this reason, the flow mentioned in the above embodiment can be summarized as the method shown in fig. 5.
As shown in fig. 5, a flowchart of another method for identifying a state of a car door provided in the embodiment of the present application includes the following steps:
s501: and under the condition that the temperature of the first area is detected to be in a temperature rising state, acquiring a first temperature change rate.
The first temperature change rate represents a change value of a first area temperature in a preset unit time, and the first area temperature is acquired by a temperature probe which is installed at a door opening of a carriage in advance.
S502: a second rate of temperature change is obtained.
And the second temperature change rate represents a change value of the second area temperature in the preset unit time, and the second area temperature is the temperature acquired by a temperature probe which is pre-installed at a door opening of the carriage door.
S503: and judging whether the second temperature change rate is smaller than the first temperature change rate.
If the second temperature change rate is smaller than the first temperature change rate, S504 is performed.
S504: and determining that the compartment door of the refrigerator car is in an open state, and sending an alarm prompt to a driver.
In summary, the state of the car door is determined by comparing the first temperature change rate and the second temperature change rate (specifically, when the second temperature change rate is smaller than the first temperature change rate, it is determined that the car door is in the open state), and the first temperature change rate and the second temperature change rate are both sensed by the temperature probes (the temperature probes are generally mounted on the car of the refrigerator car) mounted in the car in advance.
Corresponding to the method for identifying the state of the car door shown in the embodiment of the application, the embodiment of the application also provides a device for identifying the state of the car door.
As shown in fig. 6, an architecture diagram of a device for identifying a state of a car door provided in an embodiment of the present application includes:
the first obtaining unit 100 is configured to obtain a first temperature change rate when detecting that the first area temperature is in a temperature-rising state, where the first temperature change rate represents a change value of the first area temperature in unit time, and the first area temperature is a temperature collected by a temperature probe that is installed at a door opening of a car door in advance.
The second obtaining unit 200 is configured to obtain a second temperature change rate, where the second temperature change rate represents a change value of a second area temperature in unit time, and the second area temperature is a temperature collected by a temperature probe pre-installed at a door opening of the car compartment.
The second obtaining unit 200 is specifically configured to: judging whether the first temperature change rate is greater than a preset threshold value or not; and under the condition that the first temperature change rate is greater than a preset threshold value, determining that the compartment is not in a natural temperature return state, and acquiring a second temperature change rate.
The second obtaining unit 200 is further configured to: and under the condition that the first temperature change rate is not greater than the preset threshold value, determining that the compartment door of the refrigerator car is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
The first determining unit 300 is configured to determine whether the second temperature change rate is smaller than the first temperature change rate.
And the first determining unit 400 is configured to determine that the compartment door of the refrigerator car is in an open state and send an alarm prompt to the driver when the second temperature change rate is smaller than the first temperature change rate.
And a second determining unit 500 for determining that the car door is in a closed state and prompting the driver that the refrigerator of the refrigerated car is defrosting, in case that the second temperature change rate is not less than the first temperature change rate.
In summary, the state of the car door is determined by comparing the first temperature change rate and the second temperature change rate (specifically, when the second temperature change rate is smaller than the first temperature change rate, it is determined that the car door is in the open state), and the first temperature change rate and the second temperature change rate are both sensed by the temperature probes (the temperature probes are generally mounted on the car of the refrigerator car) mounted in the car in advance.
The application also provides a computer readable storage medium, which comprises a stored program, wherein the program executes the method for identifying the state of the carriage door provided by the application.
The application also provides a carriage door state's identification equipment, includes: a processor, a memory, and a bus. The processor is connected with the memory through a bus, the memory is used for storing programs, and the processor is used for running the programs, wherein when the programs are run, the method for identifying the state of the carriage door provided by the application is executed, and the method comprises the following steps:
under the condition that the temperature of the first area is detected to be in a temperature rising state, acquiring a first temperature change rate; the first area temperature is acquired by a temperature probe which is pre-installed at the door of the carriage; the first temperature change rate represents a change value of the first area temperature in preset unit time;
acquiring a second temperature change rate; the second temperature change rate represents a change value of the second area temperature in the preset unit time; the second region temperature is acquired by a temperature probe pre-installed on a refrigeration source;
judging whether the second temperature change rate is smaller than the first temperature change rate;
and under the condition that the second temperature change rate is smaller than the first temperature change rate, determining that the compartment door of the refrigerated vehicle is in an open state, and sending an alarm prompt to a driver.
Optionally, the method further includes:
and under the condition that the second temperature change rate is greater than the first temperature change rate, determining that the carriage door is in a closed state, and prompting the driver that the refrigerator of the refrigerated vehicle is defrosting.
Optionally, the obtaining the second temperature change rate includes:
judging whether the first temperature change rate is greater than a preset threshold value or not;
and under the condition that the first temperature change rate is greater than the preset threshold value, determining that the compartment is not in a natural temperature return state, and acquiring a second temperature change rate.
Optionally, the method further includes:
and under the condition that the first temperature change rate is not greater than the preset threshold value, determining that the compartment door of the refrigerated vehicle is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
The functions described in the method of the embodiment of the present application, if implemented in the form of software functional units and sold or used as independent products, may be stored in a storage medium readable by a computing device. Based on such understanding, part of the contribution to the prior art of the embodiments of the present application or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including several instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for recognizing the state of a carriage door is characterized by comprising the following steps:
under the condition that the temperature of the first area is detected to be in a temperature rising state, acquiring a first temperature change rate; the first area temperature is acquired by a temperature probe which is pre-installed at the door of the carriage; the first temperature change rate represents a change value of the first area temperature in preset unit time;
acquiring a second temperature change rate; the second temperature change rate represents a change value of the second area temperature in the preset unit time; the second region temperature is acquired by a temperature probe pre-installed on a refrigeration source;
judging whether the second temperature change rate is smaller than the first temperature change rate;
and under the condition that the second temperature change rate is smaller than the first temperature change rate, determining that the compartment door of the refrigerated vehicle is in an open state, and sending an alarm prompt to a driver.
2. The method of claim 1, further comprising:
and under the condition that the second temperature change rate is greater than the first temperature change rate, determining that the carriage door is in a closed state, and prompting the driver that the refrigerator of the refrigerated vehicle is defrosting.
3. The method of claim 1, wherein said obtaining a second rate of temperature change comprises:
judging whether the first temperature change rate is greater than a preset threshold value or not;
and under the condition that the first temperature change rate is greater than the preset threshold value, determining that the compartment is not in a natural temperature return state, and acquiring a second temperature change rate.
4. The method of claim 3, further comprising:
and under the condition that the first temperature change rate is not greater than the preset threshold value, determining that the compartment door of the refrigerated vehicle is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
5. A device for recognizing the state of a car door, comprising:
the first acquiring unit is used for acquiring a first temperature change rate under the condition that the temperature of the first area is detected to be in a temperature rising state; the first area temperature is acquired by a temperature probe which is pre-installed at the door of the carriage; the first temperature change rate represents a change value of the first area temperature in preset unit time;
a second acquisition unit configured to acquire a second temperature change rate; the second temperature change rate represents a change value of the second area temperature in the preset unit time; the second region temperature is acquired by a temperature probe pre-installed on a refrigeration source;
a first judgment unit configured to judge whether the second temperature change rate is smaller than the first temperature change rate;
and the first determining unit is used for determining that the compartment door of the refrigerator car is in an open state and sending an alarm prompt to a driver under the condition that the second temperature change rate is smaller than the first temperature change rate.
6. The apparatus of claim 5, further comprising:
and the second determining unit is used for determining that the carriage door is in a closed state and prompting the driver that the refrigerator of the refrigerated vehicle is defrosting under the condition that the second temperature change rate is greater than the first temperature change rate.
7. The apparatus according to claim 5, wherein the second obtaining unit is specifically configured to:
judging whether the first temperature change rate is greater than a preset threshold value or not;
and under the condition that the first temperature change rate is greater than the preset threshold value, determining that the compartment is not in a natural temperature return state, and acquiring a second temperature change rate.
8. The apparatus of claim 7, wherein the second obtaining unit is further configured to:
and under the condition that the first temperature change rate is not greater than the preset threshold value, determining that the compartment door of the refrigerated vehicle is in a closed state, and prompting a driver that the compartment is in a natural temperature return state.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium includes a stored program, wherein the program performs the method of recognizing a state of a door of a vehicle compartment according to any one of claims 1 to 4.
10. An apparatus for recognizing a state of a door of a vehicle, comprising: a processor, a memory, and a bus; the processor and the memory are connected through the bus;
the memory is used for storing a program, and the processor is used for executing the program, wherein the program executes the method for identifying the state of the carriage door according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220561.9A CN113959590A (en) | 2021-10-20 | 2021-10-20 | Method and device for identifying state of carriage door, storage medium and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220561.9A CN113959590A (en) | 2021-10-20 | 2021-10-20 | Method and device for identifying state of carriage door, storage medium and equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113959590A true CN113959590A (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111220561.9A Pending CN113959590A (en) | 2021-10-20 | 2021-10-20 | Method and device for identifying state of carriage door, storage medium and equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11144109A (en) * | 1997-11-06 | 1999-05-28 | Horiba Ltd | Driving management system for insulated vehicle |
| EP1482264A1 (en) * | 2003-05-09 | 2004-12-01 | C.R.F. Società Consortile per Azioni | Refrigerator with improved temperature control |
| CN105371986A (en) * | 2015-11-16 | 2016-03-02 | 珠海格力电器股份有限公司 | Refrigerated transportation vehicle, carriage inner temperature monitoring device and control method |
| CN107782060A (en) * | 2016-08-30 | 2018-03-09 | 青岛海尔智能技术研发有限公司 | A kind of method that refrigerator door open-close is detected with temperature signal |
| CN112393493A (en) * | 2020-11-25 | 2021-02-23 | 珠海格力电器股份有限公司 | Refrigerator control method and refrigerator |
-
2021
- 2021-10-20 CN CN202111220561.9A patent/CN113959590A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11144109A (en) * | 1997-11-06 | 1999-05-28 | Horiba Ltd | Driving management system for insulated vehicle |
| EP1482264A1 (en) * | 2003-05-09 | 2004-12-01 | C.R.F. Società Consortile per Azioni | Refrigerator with improved temperature control |
| CN105371986A (en) * | 2015-11-16 | 2016-03-02 | 珠海格力电器股份有限公司 | Refrigerated transportation vehicle, carriage inner temperature monitoring device and control method |
| CN107782060A (en) * | 2016-08-30 | 2018-03-09 | 青岛海尔智能技术研发有限公司 | A kind of method that refrigerator door open-close is detected with temperature signal |
| CN112393493A (en) * | 2020-11-25 | 2021-02-23 | 珠海格力电器股份有限公司 | Refrigerator control method and refrigerator |
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