CN209895420U - Data acquisition device and refrigeration and freezing equipment - Google Patents
Data acquisition device and refrigeration and freezing equipment Download PDFInfo
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- CN209895420U CN209895420U CN201921250914.8U CN201921250914U CN209895420U CN 209895420 U CN209895420 U CN 209895420U CN 201921250914 U CN201921250914 U CN 201921250914U CN 209895420 U CN209895420 U CN 209895420U
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Abstract
The embodiment of the utility model discloses data acquisition device and cold-stored refrigeration plant. The data acquisition device is used for installing to refrigeration plant, the data acquisition device includes processing module, the temperature measurement module, acceleration sensor, door magnetic sensor and communication module, the temperature measurement module is including the first temperature sensor who is used for detecting the internal first temperature in storehouse of refrigeration plant, a second temperature sensor who is used for detecting the second temperature of refrigeration plant's compressor, acceleration sensor is used for detecting refrigeration plant's acceleration information in order to confirm whether moved, door magnetic sensor is used for installing to refrigeration plant's the door body on, a switch door data for detecting the door body, wherein, processing module is used for with first temperature second temperature, acceleration information and switch door data send to the server through communication module. The working state of the refrigeration equipment can be conveniently known in real time, remote monitoring is realized, the refrigeration equipment is prevented from being removed, and the working reliability and safety of the equipment are improved.
Description
Technical Field
The utility model relates to an intelligence refrigeration technology field especially relates to a data acquisition device and cold-stored refrigeration plant.
Background
At present, a vending machine including a refrigeration device (such as a refrigerator or an ice chest) is a common commercial automation device, which is not limited by time and place, and can save manpower and facilitate transactions. However, it is only known which products are sold by people who go to the field for inspection, people are required to go to the field to know when the equipment is in failure, and the time for finding the problem and the time for actually happening are greatly delayed, which brings inconvenience to the maintenance of the vending machine.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a but data acquisition device and cold-stored refrigeration equipment of real-time management, whether remote monitoring equipment normally work solve the technical problem that above-mentioned exists, adopt following scheme to realize.
In a first aspect, the present invention provides a data acquisition device for installation to a refrigeration apparatus, the data acquisition device comprising a processing module, a temperature measurement module, an acceleration sensor, a door sensor and a communication module;
the temperature measuring module comprises a first temperature sensor for detecting a first temperature in a bin body of the refrigeration equipment and a second temperature sensor for detecting a second temperature of a compressor of the refrigeration equipment;
the acceleration sensor is used for detecting acceleration information of the refrigeration equipment to determine whether the refrigeration equipment is moved or not;
the door magnetic sensor is used for being mounted on a door body of the refrigeration equipment and detecting door opening and closing data of the door body;
the processing module is used for sending the first temperature, the second temperature, the acceleration information and the door opening and closing data to a server through the communication module.
As a further improvement of the above technical solution, the data acquisition apparatus further includes:
the image acquisition module is in communication connection with the processing module and used for acquiring image data of the surrounding environment of the refrigeration equipment, and the processing module sends the image data to the server through the communication module.
As a further improvement of the above technical solution, the data acquisition apparatus further includes:
and the positioning module is electrically connected with the processing module and is used for acquiring the position information of the refrigeration equipment, and the processing module sends the position information to the server through the communication module.
As a further improvement of the above technical solution, the data acquisition apparatus further includes:
and the standby power supply is connected to the processing module, and the processing module controls the standby power supply to supply power to each electronic element in the data acquisition device.
As a further improvement of the above technical solution, the temperature measurement module further includes a switching unit connected to the analog-to-digital conversion unit of the processing module:
when the switching unit is connected to the first temperature sensor, the switching unit is used for acquiring a first temperature in the bin body;
when the switching unit is connected to the second temperature sensor, the switching unit is used for acquiring a second temperature of the compressor.
As a further improvement of the above technical solution, the data acquisition apparatus further includes:
the shell is used for wrapping the data acquisition device, and a waterproof adhesive tape is further coated on the shell.
As a further improvement of the above technical solution, the processing module adopts an MT2503AVE chip, and the communication module includes WIFI, radio frequency, and bluetooth.
As a further improvement of the above technical solution, the data acquisition apparatus further includes:
the pyroelectric infrared sensor is electrically connected with the processing module and used for receiving human body infrared signals of people passing through the refrigeration equipment, and the processing module determines people flow data according to the human body infrared signals and sends the people flow data to the server through the communication module.
In a second aspect, the present invention also provides a refrigeration and freezing apparatus, which comprises the above data acquisition device and a refrigeration apparatus, wherein the data acquisition device is installed on the refrigeration apparatus.
As a further improvement of the above technical solution, the refrigeration and freezing apparatus further includes:
and the payment module is connected with the processing module, and the processing module sends the payment related information to the server through the communication module.
The utility model provides a data acquisition device and cold-stored refrigeration plant, through install temperature measurement module on the data acquisition device, temperature measurement module is including the first sensor that is used for detecting the internal first temperature in refrigeration plant's the storehouse and be used for detecting the second sensor of refrigeration plant's second temperature, acceleration sensor detects refrigeration plant's acceleration information, door magnetic sensor be used for install extremely detect on refrigeration plant's the door body the switch door data of the door body, wherein, processing module is used for with first temperature the second temperature acceleration information with switch door data warp communication module sends to the server. Through collecting temperature data, acceleration information and door opening and closing data, the working state of the refrigeration equipment can be conveniently known in real time, remote monitoring is realized, the refrigeration equipment is prevented from being moved away, the working reliability and safety of the equipment are improved, and the equipment maintenance efficiency is also improved.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 shows a block diagram of embodiment 1 of the present invention;
fig. 2 shows a block diagram of embodiment 2 of the present invention.
Description of the main element symbols:
100-a data acquisition device; 110-a processing module; 120-a temperature measurement module; 121-a first temperature sensor; 122-a second temperature sensor; 123-a switching unit; 130-an acceleration sensor; 140-door magnetic sensor; 150-a communication module; 160-an image acquisition module; 170-a positioning module; 180-a backup power supply; 190-pyroelectric infrared sensor; 200-a refrigeration device; 210-a cartridge body; 220-a compressor; 230-a door body; 300-a server; 400-a refrigeration and freezing device; 410-payment module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Example 1
Referring to fig. 1, the present invention provides a data acquisition device 100 for being mounted to a refrigeration equipment 200, wherein the data acquisition device 100 includes a processing module 110, a temperature measuring module 120, an acceleration sensor 130, a door sensor 140 and a communication module 150;
the temperature measuring module 120 comprises a first temperature sensor 121 for detecting a first temperature inside a cartridge body 210 of the refrigeration appliance 200, a second temperature sensor 122 for detecting a second temperature of a compressor 220 of the refrigeration appliance 200;
the acceleration sensor 130 is used for detecting acceleration information of the refrigeration device 200 to determine whether to be moved;
the door magnetic sensor 140 is configured to be mounted on a door body 230 of the refrigeration apparatus 200, and is configured to detect door opening and closing data of the door body 230;
the processing module 110 is configured to send the first temperature, the second temperature, the acceleration information, and the door opening and closing data to the server 300 through the communication module 150.
In this embodiment, the processing module 110 is a low power consumption chip with a model number of MT2503AVE, the temperature measuring module 120 includes a first temperature sensor 121 for detecting a first temperature in the cabin 210 of the refrigeration equipment 200 and a second temperature sensor 122 for detecting a second temperature of the compressor 220 of the refrigeration equipment 200, a low temperature probe of the first temperature sensor 121 is disposed in the cabin 210 to detect a temperature value lower than a normal temperature, and a high temperature probe of the second temperature sensor 122 is disposed on the compressor 220 to detect a temperature value higher than the normal temperature. For convenience of understanding, taking a refrigerator for cold storage as an example, the temperature needs to be set in advance, when the refrigerator works, a gas refrigerant is compressed into high-temperature high-pressure gas by the compressor 220 and then enters a condenser, the condenser is equivalent to a heat exchange device, the high-temperature high-pressure gas refrigerant is subjected to heat exchange to form a low-temperature high-pressure liquid refrigerant, the liquid refrigerant passes through an expansion valve, the refrigerant flowing out of the expansion valve is restrained, the pressure of the refrigerant is reduced after the refrigerant comes out, and the temperature is continuously reduced. As the compressor 220 is powered on, the operating temperature also continuously rises and needs to be dissipated to the outside, and the temperature in the bin body 210 gradually falls. When the temperature in the bin body 210 reaches a preset refrigerating temperature, the first temperature sensor 121 detects the current first temperature and sends the first temperature to the processing module 110, the second temperature sensor 122 detects whether the second temperature of the compressor 220 exceeds a temperature threshold value at rated power, and if the second temperature exceeds the temperature threshold value, the problem that the compressor 220 fails or other equipment connected with the compressor 220 cannot normally dissipate heat is indicated, so that whether the compressor 220 is in a normal working state or not can be accurately judged. In addition, when the first temperature detected by the first temperature sensor 121 is higher than the preset refrigerating temperature, but the second temperature detected by the second temperature sensor 122 is lower than the temperature threshold, it can be accurately determined that the door of the refrigerator is not closed, so that the temperature of the refrigeration equipment 200 is collected to accurately determine the fault place, and the convenience of equipment maintenance is improved.
In addition, the data acquisition device 100 further comprises a shell coated with a waterproof rubber strip, the thickness of the waterproof rubber strip is 3.5 mm, the inner part of the data acquisition device 100 can be prevented from being soaked in moisture to influence an internal circuit according to the installation position of the data acquisition device 100, and the shell with the waterproof rubber strip can also resist deformation and falling, so that the service life of the data acquisition device 100 is prolonged.
It should be noted that the temperature measuring module 120 further includes a switching unit 123 connected to the analog-to-digital conversion unit of the processing module 110, and when the switching unit 123 is connected to the first temperature sensor 121, the switching unit is used for acquiring the first temperature in the cartridge body 210; when the switching unit 123 is connected to the second temperature sensor 122, it is used to acquire a second temperature of the compressor 220. The processing module 110 adopts an MT2503AVE processing chip including an analog-to-digital conversion port, the switching unit 123 may adopt an analog switch with a model number of SGM3157, the analog-to-digital conversion port is used for connecting the analog switch, and the analog switch is respectively connected with the first temperature sensor 121 and the second temperature sensor 122 through two connectors, so that the processing module 110 obtains different temperature data.
In addition, the acceleration sensor 130 is a sensor capable of measuring acceleration, and generally includes a mass block, a damper, an elastic element, a data sensing element, and an adjustment circuit, and during acceleration, the acceleration sensor 130 obtains an acceleration value by using newton's second law through measuring an inertial force applied to the mass block, and common acceleration sensors include a capacitive type, an inductive type, a strain type, a piezoresistive type, a piezoelectric type, and the like according to different sensor sensitive elements. The acceleration sensor is preferably a piezoresistive acceleration sensor which has the characteristics of small volume, low power consumption, easy integration in various analog and digital circuits and the like. When the refrigeration equipment 200 is a refrigerator, the data acquisition device 100 is placed on the back or the top of the refrigerator, when the refrigerator is shaken or pushed by external force, the acceleration sensor 130 detects the acceleration information of the refrigeration equipment 200, and it can be determined that the refrigeration equipment 200 or the data acquisition device 100 is possibly stolen or damaged by people, so that the safety of the equipment is improved.
The door magnetic sensor 140 is mainly composed of a switch part and a magnet part, wherein the switch part is mainly a normally open reed switch; the magnet part is mainly a permanent magnet with a permanent magnet inside for providing a stable magnetic field. When the switch part and the magnet part are very close to each other, namely the door or the window is in a closed state, the door magnetic switch is in a working state, and the phenomenon of sending out alarm sound and the like after receiving the attack of a forced invader; and when the switch part is far away from the magnet part, namely the door or the window is in an open state, the phenomenon of forced invasion does not exist, and the door magnetic switch is in a closed state. It should be noted that the refrigerator has a single door type or a double door type, the door magnetic sensor 140 is installed on a single door body, the door magnetic sensor 140 can obtain a door opening signal and a door closing signal, when the refrigerator is in a door closing state, the door opening data and the door closing data sensed by the door magnetic sensor 140 are the same, it can be determined that the door body of the refrigerator is in a closing state, and if the door opening data is greater than the door closing data, it indicates that the door body of the refrigerator is in an opening state.
The server 300 may be a device such as a mobile phone, a tablet computer, or a notebook computer, which establishes a communication connection with the data acquisition device 100, and the data acquisition device 100 is installed on the refrigeration equipment 200, and each sensor is connected with a corresponding position of the refrigeration equipment 200 through a connector, and the data acquisition device 100 is connected with the notebook computer for debugging, so as to ensure that the data acquisition device 100 can work normally. The processing module 110 may send the first temperature, the second temperature, the acceleration information and the door opening and closing data to the server 300 through the communication module 150 according to an hour, a day and the like, so that a worker or a user can know the working condition of the refrigeration equipment 200 in real time, and the maintenance efficiency of the equipment can be improved.
Further, the data acquisition apparatus 100 further includes:
an image capturing module 160, communicatively connected to the processing module 110, configured to capture image data of an environment surrounding the refrigeration equipment 200, where the processing module 110 sends the image data to the server 300 through the communication module 150.
In this embodiment, the image capturing module 160 is in communication connection with the processing module 110 through WIFI, and the image capturing module 160 may be a micro camera, may be integrally disposed with the data capturing device 100, and may also be disposed separately from the data capturing device 100. The image acquisition module 160 is configured to acquire image data of an environment around the refrigeration apparatus 200, which is generally a picture or a video taken within a certain range on the front side of the refrigeration apparatus 200, so as to realize remote monitoring and ensure the safety of the refrigeration apparatus 200. It should be noted that, when the refrigeration device 200 may be a vending machine with a refrigerator or an ice chest, the data acquisition device 100 may be detachably installed in the vending machine to ensure the normal operation and subsequent maintenance of the data acquisition device 100.
Further, the data acquisition apparatus 100 further includes:
the positioning module 170 is electrically connected to the processing module 110, and is configured to obtain the position information of the refrigeration equipment 200, and the processing module 110 sends the position information to the server 300 through the communication module 150.
In this embodiment, the location information includes specific location information of the vending machine, the Positioning module 170 includes a GPS (global Positioning system) and a beidou, the beidou uses a triple-frequency signal, the GPS uses a double-frequency signal, the triple-frequency signal can better eliminate high-order ionospheric delay influence, improve Positioning reliability, enhance data preprocessing capability, and greatly improve the fixing efficiency of ambiguity. If one frequency signal has a problem, the other two frequencies can be used for positioning by using the traditional method, so that the positioning reliability and the anti-interference capability are improved, the vending machine can be accurately positioned, equipment is prevented from being stolen to realize tracking, and convenience is brought to centralized management of a plurality of vending machines placed in different areas.
Further, the data acquisition apparatus 100 further includes:
a standby power source 180 connected to the processing module 110, wherein the processing module 110 controls the standby power source 180 to supply power to each electronic component in the data acquisition device 100.
In this embodiment, the backup power supply 180 includes an integrated power management circuit (PMIC) and a battery, the PMIC uses a chip with a model of APW7264, and the PMIC can centrally manage the power supply in the integrated circuit. When the refrigeration device 200 and the data acquisition device 100 are powered on, the backup power supply 180 may be charged, and the backup power supply 180 may also continue to supply power when the plug is powered off, so as to ensure the working stability of the data acquisition device 100.
Further, the data acquisition apparatus 100 further includes:
the pyroelectric infrared sensor 190 is electrically connected to the processing module 110 and configured to receive human body infrared signals of people passing through the refrigeration equipment 200, and the processing module 110 determines people flow data according to the human body infrared signals and sends the data to the server 300 through the communication module 150.
The pyroelectric infrared sensor (PIR) is installed on the same side of a door body of the refrigeration equipment and used for receiving human body infrared signals within a range of 2.5 meters away from the door body. The pyroelectric infrared sensor can convert infrared signal change with the wavelength of 8-12 microns into an electric signal. Taking a vending machine as an example, when no human body moves, the pyroelectric infrared sensor 190 senses only background temperature, when a human body enters a preset range of the vending machine, the pyroelectric infrared sensor 190 senses a difference signal between the human body temperature and the background temperature, so that the human flow in the preset range right in front of the vending machine is sensed, the purchase proportion of the vending machine can be calculated according to door opening and closing data of the door magnetic sensor 140, and good vending of which commodity can be obtained through big data analysis of a background server, and the experience degree of a user is also improved.
Example 2
Referring to fig. 2, the present invention further provides a refrigeration and freezing apparatus 400, which includes the data acquisition device 100 and the refrigeration apparatus 200, wherein the data acquisition device 100 is installed on the refrigeration apparatus 200.
In this embodiment, the refrigerating and freezing device 400 may be a vending machine with an ice chest or a refrigerator, the vending machine is provided with a cavity for placing the data acquisition device 100, and the data acquisition device 100 is connected to the plurality of sensors through a plurality of connectors. The data acquisition device 100 further includes a SIM module for providing network access, the communication module 150 of the data acquisition device 100 includes WIFI, radio frequency and bluetooth, and the SIM module is connected to the network through the radio frequency for receiving or sending a radio signal, so that the data acquisition device 100 can establish wireless communication with the server 300 through various ways. The refrigeration and freezing device 400 further comprises a payment module 410 connected to the processing module 110, the processing module 110 sends payment related information to the server 300 through the communication module 150, and the server 300 can analyze which place of the vending machine has a high purchase rate according to the payment information, so that effective management and benefit improvement of the vending machine are realized.
The utility model provides a data acquisition device and cold-stored refrigeration plant, through install temperature measurement module 120 on the data acquisition device 100, temperature measurement module 120 is including the first temperature sensor 121 that is used for detecting the first temperature in refrigeration plant 200's the internal 210 of storehouse and being used for detecting the second temperature sensor 122 of refrigeration plant 200's second temperature, acceleration sensor 130 is used for detecting refrigeration plant 200's acceleration information, door magnetic inductor 140 is used for installing extremely detect on refrigeration plant 200's the door body 230 the switch door data of the door body 230, wherein, processing module 110 be used for with first temperature the second temperature acceleration information with the switch door data warp communication module 150 sends to server 300. Through collecting temperature data, acceleration information and door opening and closing data, the working state of the refrigeration equipment 200 can be conveniently known in real time, remote monitoring is realized, the refrigeration equipment 200 is prevented from being removed, the working reliability and safety of the equipment are improved, and the equipment maintenance efficiency is also improved.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, and the flowcharts and block diagrams in the figures, for example, illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based devices that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, each functional module or unit in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. The data acquisition device is characterized by being used for being installed on refrigeration equipment and comprising a processing module, a temperature measuring module, an acceleration sensor, a door magnetic sensor and a communication module;
the temperature measuring module comprises a first temperature sensor for detecting a first temperature in a bin body of the refrigeration equipment and a second temperature sensor for detecting a second temperature of a compressor of the refrigeration equipment;
the acceleration sensor is used for detecting acceleration information of the refrigeration equipment to determine whether the refrigeration equipment is moved or not;
the door magnetic sensor is used for being mounted on a door body of the refrigeration equipment and detecting door opening and closing data of the door body;
the processing module is used for sending the first temperature, the second temperature, the acceleration information and the door opening and closing data to a server through the communication module.
2. The data acquisition device of claim 1, further comprising:
the image acquisition module is in communication connection with the processing module and used for acquiring image data of the surrounding environment of the refrigeration equipment, and the processing module sends the image data to the server through the communication module.
3. The data acquisition device of claim 1, further comprising:
and the positioning module is electrically connected with the processing module and is used for acquiring the position information of the refrigeration equipment, and the processing module sends the position information to the server through the communication module.
4. The data acquisition device of claim 1, further comprising:
and the standby power supply is connected to the processing module, and the processing module controls the standby power supply to supply power to each electronic element in the data acquisition device.
5. The data acquisition device of claim 1, wherein the temperature measurement module further comprises a switching unit connected to the analog-to-digital conversion unit of the processing module:
when the switching unit is connected to the first temperature sensor, the switching unit is used for acquiring a first temperature in the bin body;
when the switching unit is connected to the second temperature sensor, the switching unit is used for acquiring a second temperature of the compressor.
6. The data acquisition device of claim 1, further comprising:
the shell is used for wrapping the data acquisition device, and a waterproof adhesive tape is further coated on the shell.
7. The data acquisition device as claimed in claim 1, wherein the processing module employs an MT2503AVE chip, and the communication module includes WIFI, radio frequency and bluetooth.
8. The data acquisition device of claim 1, further comprising:
the pyroelectric infrared sensor is electrically connected with the processing module and used for receiving human body infrared signals of people passing through the refrigeration equipment, and the processing module determines people flow data according to the human body infrared signals and sends the people flow data to the server through the communication module.
9. A refrigerator-freezer comprising a data acquisition device as claimed in any one of claims 1 to 8 and a refrigeration appliance, the data acquisition device being mounted on the refrigeration appliance.
10. A refrigerator-freezer according to claim 9, further comprising:
and the payment module is connected with the processing module, and the processing module sends the payment related information to the server through the communication module.
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| CN201921250914.8U CN209895420U (en) | 2019-08-01 | 2019-08-01 | Data acquisition device and refrigeration and freezing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111710126A (en) * | 2020-05-18 | 2020-09-25 | 江苏东洲物联科技有限公司 | Method and system for detecting human activity state |
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| CN111710126A (en) * | 2020-05-18 | 2020-09-25 | 江苏东洲物联科技有限公司 | Method and system for detecting human activity state |
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