CN203024889U - Refrigerator performance parameter acquisition system - Google Patents
Refrigerator performance parameter acquisition system Download PDFInfo
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- CN203024889U CN203024889U CN 201320039120 CN201320039120U CN203024889U CN 203024889 U CN203024889 U CN 203024889U CN 201320039120 CN201320039120 CN 201320039120 CN 201320039120 U CN201320039120 U CN 201320039120U CN 203024889 U CN203024889 U CN 203024889U
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- acquisition system
- performance parameter
- digital temperature
- parameter acquisition
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Abstract
The utility model provides a refrigerator performance parameter acquisition system. The refrigerator performance parameter acquisition system comprises a first digital temperature measuring sensor, a second digital temperature measuring sensor, a display module, a serial communication module, an upper computer and a main controller, wherein the first digital temperature measuring sensor and the second digital temperature measuring sensor are used for detecting the temperature of a freezing chamber and a refrigerating chamber of the refrigerator, respectively; and the main controller is used for controlling the first digital temperature measuring sensor and the second digital temperature measuring sensor to acquire data, displaying the acquired data on the display module and sending the acquired data to the upper computer by the serial communication module. A single chip microcomputer is adopted as a control core, so that the refrigerator performance parameter acquisition system has the advantages of low cost and high performances. The digital temperature measuring sensors DS18B20 are used for detecting the temperature of the freezing chamber and the refrigerating chamber of the refrigerator; and the single bus interface way of the SD18B20 ensures that the hardware circuit is simple and reliable.
Description
Technical field
The utility model relates to measurement and control area, particularly relates to a kind of refrigerator performance parameter acquisition system.
Background technology
Temperature is one of the most general in industrial processes, most important operating parameter.
The detection of temperature directly and the great technical indicators such as safety in production, product quality, production efficiency, energy savings interrelate.Temperature detection class instrument is one of instrument that has a large capacity and a wide range always in industry and civil area, thereby is used widely as the temperature measurement instrument.
Whether qualified the refrigerator of just having produced is is determined by many indexs, and refrigeration performance is one of them important indicator.To the test of refrigeration for refrigerator characteristic, present most enterprises adopt be with temperature and resistance as temperature element, carry out touring parameter detecting with industrial computer.
Numerous shortcomings such as this type systematic exists that investment is large, and accuracy of detection is low, and reliability is not high, and in work progress the installation work amount is large.
The utility model content
The technical problems to be solved in the utility model is for the deficiencies in the prior art, to provide a kind of refrigerator performance parameter acquisition system.
According to aspect of the utility model, a kind of refrigerator performance parameter acquisition system is provided, comprising:
The first digital temperature detecting sensor, the second digital temperature detecting sensor are used for respectively detecting the temperature of freezer compartment of refrigerator and reefer;
Display module;
Serial communication module and host computer;
Master controller is used for controlling the first digital temperature detecting sensor, the second digital temperature detecting sensor image data, shows the data that gather on display module, and sends by serial communication module the data that gather to host computer.
Optionally, the input end of described master controller connects the first digital temperature detecting sensor, the second digital temperature detecting sensor, and output terminal connects display module, also is connected with host computer by serial communication module.
Optionally, it is control core that described main control module adopts single-chip microcomputer U1, and the model of single-chip microcomputer U1 is AT89C2051; The P1.0 mouth order line bus of single-chip microcomputer.
Optionally, the TXD of AT89C2051 is connected level transferring chip MAX183 with the RXD pin and is connected with host computer.
Optionally, the model of digital temperature sensor is DS18B20, and the I/O mouth of DS18B20 is connected with the port P1.0 of chip U1.
Optionally, described display module adopts LED dynamically to show; Pin P2.0 and the P2.1 of U1 are connected with respectively the LED lamp, in order to the temperature value that shows that the two-way sensor gathers.
Optionally, described serial communication module employing RS-485 communication.
Optionally, described host computer is PC.
Refrigerator performance parameter acquisition system of the present utility model utilizes single-chip microcomputer that the refrigerator performance parameter is gathered and processes.System not only can obtain high-precision temperature parameter by refrigeration for refrigerator is detected in real time, also can draw various curves, and whether qualified with regard to its curve judgement refrigerator, has what defective, carries out simultaneously Report Server Management and statistics.
The utility model adopts said structure, has the following advantages:
1, adopting single-chip microcomputer is control core, has a cost low, high performance advantage;
2, adopt digital temperature detecting sensor DS18B20 to detect the temperature of freezer compartment of refrigerator and reefer, the single bus interface mode of DS18B20 makes hardware circuit simple and reliable;
3, can draw various curves by host computer and peripheral hardware, and with regard to its curve judgement refrigerator performance, carry out simultaneously Report Server Management and statistics, help business administration, have novelty and application prospect preferably.
Description of drawings
Fig. 1 is the structural representation of the refrigerator performance parameter acquisition system in embodiment of the utility model;
Fig. 2 is the electrical connection diagram of the main control module of the refrigerator performance parameter acquisition system in embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
According to embodiment of the utility model, a kind of refrigerator performance parameter acquisition system is provided, as shown in Figure 1, this system comprises:
The first digital temperature detecting sensor, the second digital temperature detecting sensor are used for respectively detecting the temperature of freezer compartment of refrigerator and reefer;
Display module (being light-emitting diode display in figure);
Serial communication module and host computer;
Master controller is used for controlling the first digital temperature detecting sensor, the second digital temperature detecting sensor image data, shows the data that gather on display module, and sends by serial communication module the data that gather to host computer;
Wherein, the sensor input connection of master controller (the first digital temperature detecting sensor, the second digital temperature detecting sensor), output terminal connects display module (for example light-emitting diode display), and master controller is connected with host computer by serial communication module.
Host computer can also connect the peripheral hardwares such as plotting apparatus, printer, keyboard and mouse, display.
According to embodiment of the utility model, it is control core that main control module adopts single-chip microcomputer, the first and second sensors show by master controller the temperature that collects at display module, can also send information to host computer by serial communication module (for example RS-485), host computer can be drawn various curves by peripheral hardware, and whether qualified with regard to its curve judgement refrigerator, there is any defective, carry out simultaneously Report Server Management and statistics.
According to embodiment of the utility model, as shown in Figure 2, main control module adopts chip U1, and the model of chip U1 is AT89C2051.The P1.0 mouth order line bus of single-chip microcomputer.The TXD of AT89C2051 is connected level transferring chip MAX183 with the RXD pin and is connected with host computer.
The model of digital temperature sensor is DS18B20, and the I/O mouth of DS18B20 is connected with the port P1.0 of chip U1.Pin P2.0 and the P2.1 of U1 are connected with respectively the LED lamp, in order to the temperature value that shows that the two-way sensor gathers, the i.e. temperature of freezer compartment of refrigerator and reefer.
DS18B20 has unique single bus interface mode, namely allow to articulate even up to a hundred digital transducers of dozens of on a signal line, it is very simple that thereby the interface that makes temperature measuring equipment and each sensor becomes, the A/D converter that has needed when having overcome analog sensor and microcomputer interface and the shortcoming of other complex peripheral circuit, very convenient by the temperature control system that it forms, and cost is low, volume is little.The measurement range of DS18B20 is 55 ℃～125 ℃, satisfies the requirement of refrigeration for refrigerator Characteristics Detection system fully.
According to embodiment of the utility model, described display module adopts LED dynamically to show.
According to embodiment of the utility model, described serial communication module adopts RS-485 communication.
The utility model adopts said structure, has the following advantages:
1, adopting single-chip microcomputer is control core, has a cost low, high performance advantage;
2, adopt digital temperature detecting sensor DS18B20 to detect the temperature of freezer compartment of refrigerator and reefer, the single bus interface mode of DS18B20 makes hardware circuit simple and reliable;
3, can draw various curves by host computer and peripheral hardware, and with regard to its curve judgement refrigerator performance, carry out simultaneously Report Server Management and statistics, help business administration, have novelty and application prospect preferably.
Should be noted that and understand, in the situation that do not break away from the desired spirit and scope of the present utility model of accompanying claim, can make various modifications and improvement to the utility model of foregoing detailed description.Therefore, the scope of claimed technical scheme is not subjected to the restriction of given any specific exemplary teachings.
Claims (8)
1. a refrigerator performance parameter acquisition system, is characterized in that, comprising:
The first digital temperature detecting sensor, the second digital temperature detecting sensor are used for respectively detecting the temperature of freezer compartment of refrigerator and reefer;
Display module;
Serial communication module and host computer;
Master controller is used for controlling the first digital temperature detecting sensor, the second digital temperature detecting sensor image data, shows the data that gather on display module, and sends by serial communication module the data that gather to host computer.
2. refrigerator performance parameter acquisition system according to claim 1, it is characterized in that, the input end of described master controller connects the first digital temperature detecting sensor, the second digital temperature detecting sensor, and output terminal connects display module, also is connected with host computer by serial communication module.
3. refrigerator performance parameter acquisition system according to claim 1, is characterized in that, it is control core that described main control module adopts single-chip microcomputer U1, and the model of single-chip microcomputer U1 is AT89C2051;
The P1.0 mouth order line bus of single-chip microcomputer.
4. refrigerator performance parameter acquisition system according to claim 3, is characterized in that, the TXD of AT89C2051 is connected level transferring chip MAX183 with the RXD pin and is connected with host computer.
5. refrigerator performance parameter acquisition system according to claim 3, is characterized in that, the model of digital temperature sensor is DS18B20, and the I/O mouth of DS18B20 is connected with the port P1.0 of chip U1.
6. refrigerator performance parameter acquisition system according to claim 3, is characterized in that, described display module adopts LED dynamically to show;
Pin P2.0 and the P2.1 of U1 are connected with respectively the LED lamp, in order to the temperature value that shows that the two-way sensor gathers.
7. refrigerator performance parameter acquisition system according to claim 1, is characterized in that, described serial communication module adopts RS-485 communication.
8. refrigerator performance parameter acquisition system according to claim 1, is characterized in that, described host computer is PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039120 CN203024889U (en) | 2013-01-11 | 2013-01-11 | Refrigerator performance parameter acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039120 CN203024889U (en) | 2013-01-11 | 2013-01-11 | Refrigerator performance parameter acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024889U true CN203024889U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320039120 Expired - Fee Related CN203024889U (en) | 2013-01-11 | 2013-01-11 | Refrigerator performance parameter acquisition system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252171A (en) * | 2014-09-17 | 2014-12-31 | 湖北美的电冰箱有限公司 | Refrigerator detection system |
| CN109506718A (en) * | 2018-12-29 | 2019-03-22 | 深圳洲斯移动物联网技术有限公司 | Temperature-humidity detecting device and temperature/humiditydetection detection system applied to food |
| EP3699844A1 (en) * | 2019-02-20 | 2020-08-26 | Panasonic Intellectual Property Management Co., Ltd. | Work support method and program |
-
2013
- 2013-01-11 CN CN 201320039120 patent/CN203024889U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252171A (en) * | 2014-09-17 | 2014-12-31 | 湖北美的电冰箱有限公司 | Refrigerator detection system |
| CN109506718A (en) * | 2018-12-29 | 2019-03-22 | 深圳洲斯移动物联网技术有限公司 | Temperature-humidity detecting device and temperature/humiditydetection detection system applied to food |
| EP3699844A1 (en) * | 2019-02-20 | 2020-08-26 | Panasonic Intellectual Property Management Co., Ltd. | Work support method and program |
| CN111598259A (en) * | 2019-02-20 | 2020-08-28 | 松下知识产权经营株式会社 | Job assisting method and recording medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20140111 |