CN110031710B - Testing device for automatically judging on-off point of refrigerator and control method thereof - Google Patents
Testing device for automatically judging on-off point of refrigerator and control method thereof Download PDFInfo
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- CN110031710B CN110031710B CN201910379964.4A CN201910379964A CN110031710B CN 110031710 B CN110031710 B CN 110031710B CN 201910379964 A CN201910379964 A CN 201910379964A CN 110031710 B CN110031710 B CN 110031710B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a testing device for automatically judging a startup and shutdown point of a refrigerator and a control method thereof, and relates to the technical field of refrigeration equipment. The invention comprises a sliding resistor, a control board for a testing device, a display board for the testing device, a driving motor and a load tool; the control panel is connected with a load tool; the control panel is connected with the display panel through a communication line; the port on the control board for connecting the temperature sensor is connected with the sliding resistor; scribing the sliding resistor and connecting the driving motor; the test device control board is electrically connected with the drive motor; the control method of the test device comprises the following steps: firstly, judging and detecting a starting point or a shutdown point; secondly, judging the temperature of a starting point; and thirdly, judging the temperature of a shutdown point. The invention has the advantages of reducing the test time, improving the test efficiency and the test precision, reducing the manual labor force and reducing the production cost by the control method of the test device.
Description
Technical Field
The invention belongs to the technical field of refrigeration equipment, and particularly relates to a testing device for automatically judging a startup and shutdown point of a refrigerator and a control method thereof.
Background
With the continuous improvement of living standard of people, the quality requirement for household appliances is higher and higher, however, the current on-off point test of refrigerators and freezers adopts manual test, and the problems of time consumption, manpower consumption and low efficiency exist.
The invention reduces the testing time, improves the testing efficiency and the testing precision, reduces the manual labor force, reduces the production cost and provides a set of testing device and testing method which are in compliance, complete, reliable and low cost for refrigerators, freezers and household appliances with similar purposes.
Disclosure of Invention
The invention aims to provide a testing device for automatically judging the on-off point of a refrigerator and a control method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a testing device for automatically judging a startup and shutdown point of a refrigerator, which comprises a sliding resistor, a control panel for the testing device, a display panel for the testing device, a driving motor and a load tool, wherein the sliding resistor is arranged on the control panel; the control panel is connected with a load tool; the control panel is connected with the display panel through a communication line; the port on the control board for connecting the temperature sensor is connected with the sliding resistor; the scribing of the sliding resistor is connected with a driving motor; the testing device control board is electrically connected with the driving motor.
Further, the load tool comprises a load bulb simulating the startup and shutdown of the compressor.
A control method for a refrigerator automatic judgment startup and shutdown point testing device comprises the following use methods:
firstly, after the system is initialized, judging and detecting a starting point or a shutdown point: reading a key instruction on the display panel, and judging a power on/off mark by the control panel; entering the second step or the third step according to the judgment whether the startup and shutdown mark is equal to 1 or not;
secondly, judging the temperature of the starting point: when the compressor is not started, the motor is driven, the sliding resistor is adjusted, the resistance value is reduced from large to small, and the compressor is started until the resistance value is reduced to a certain value; reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel, wherein the temperature value is a starting point of the refrigerator;
thirdly, judging the temperature of a shutdown point: when the compressor is started, the motor is driven, the sliding resistor is adjusted, the resistance value is changed from small to large, and the compressor is closed until the resistance value is increased to a certain value; and reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel of the testing device, wherein the temperature value is the shutdown point of the refrigerator.
Further, a method for using the control method of the test device for automatically judging the on-off point of the refrigerator is as follows:
after the SS01 system is initialized, judging and detecting a startup point or a shutdown point: reading a key instruction on the display panel, and judging a power on/off mark by the control panel;
judging whether the power on/off mark is equal to 1;
if equal to 1: judging the temperature of the starting point of the compressor, and entering a step SS02 to judge the temperature of the starting point of the compressor;
otherwise, judging the temperature of the shutdown point of the compressor, and entering a step SS03, namely judging the temperature of the shutdown point of the compressor;
and (4) judging the temperature of the SS02 starting point: when the compressor is not started, the motor is driven, the sliding resistor is adjusted, the resistance value is reduced from large to small, and the compressor is started until the resistance value is reduced to a certain value; reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel, wherein the temperature value is a starting point of the refrigerator;
and SS03 shutdown point temperature judgment: when the compressor is started, the motor is driven, the sliding resistor is adjusted, the resistance value is changed from small to large, and the compressor is closed until the resistance value is increased to a certain value; and reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel of the testing device, wherein the temperature value is the shutdown point of the refrigerator.
The invention follows GB4706.1-2005 safety standard and provides excellent operability and maintainability, controls the driving motor through the control panel of the testing device, and continuously adjusts the resistance value of the sliding resistor, thereby simulating the current temperature detected by the temperature sensor (the lower the current temperature detected by the temperature sensor, the higher the resistance value), observing whether the compressor load (usually using a load bulb as simulation) in the whole set of testing device to be tested is in working or closing state, detecting the on-off point of the refrigerator, reducing the amount of manual labor, not only improving the testing efficiency and the testing precision, but also reducing the manual labor force, reducing the production cost, and providing a set of testing device which is in compliance, complete, reliable and low cost for the refrigerator, the freezer and household appliances with similar purposes.
The invention has the following beneficial effects:
the invention reduces the testing time, improves the testing efficiency and the testing precision, reduces the manual labor force, reduces the production cost and provides a set of testing device and testing method which are in compliance, complete, reliable and low cost for refrigerators, freezers and household appliances with similar purposes.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an automatic on/off point determination testing device for a refrigerator according to the present invention;
fig. 2 is a schematic diagram of a control method of a testing apparatus for automatically determining an on/off point of a refrigerator according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1-2, the present invention is a testing device for automatically determining a power on/off point of a refrigerator, including a sliding resistor, a control board for the testing device, a display board for the testing device, a driving motor and a load fixture; the control panel is connected with a load tool; the control panel is connected with the display panel through a communication line; the port on the control board for connecting the temperature sensor is connected with the sliding resistor; the scribing of the sliding resistor is connected with a driving motor; the testing device control board is electrically connected with the driving motor.
Preferably, the load tool comprises a load bulb simulating the startup and shutdown of the compressor.
A control method for a refrigerator automatic judgment startup and shutdown point testing device comprises the following use methods:
after the SS01 system is initialized, judging and detecting a startup point or a shutdown point: reading a key instruction on the display panel, and judging a power on/off mark by the control panel;
judging whether the power on/off mark is equal to 1;
if equal to 1: judging the temperature of the starting point of the compressor, and entering a step SS02 to judge the temperature of the starting point of the compressor;
otherwise, judging the temperature of the shutdown point of the compressor, and entering a step SS03, namely judging the temperature of the shutdown point of the compressor;
and (4) judging the temperature of the SS02 starting point: when the compressor is not started, the motor is driven, the sliding resistor is adjusted, the resistance value is reduced from large to small, and the compressor is started until the resistance value is reduced to a certain value; reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel, wherein the temperature value is a starting point of the refrigerator;
and SS03 shutdown point temperature judgment: when the compressor is started, the motor is driven, the sliding resistor is adjusted, the resistance value is changed from small to large, and the compressor is closed until the resistance value is increased to a certain value; and reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel of the testing device, wherein the temperature value is the shutdown point of the refrigerator.
Connecting a port used for connecting a temperature sensor on a control board with a sliding resistor, and obtaining a resistance value 1 and a resistance value 2 corresponding to the judgment of the temperature at the starting point and the judgment of the temperature at the shutdown point respectively in steps SS02 and SS 03; and respectively corresponding the resistance value 1 and the resistance value 2 to the resistance type temperature sensor to obtain the temperature of the starting point and the temperature of the shutdown point.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. A control method for a testing device for automatically judging the on-off point of a refrigerator is disclosed, wherein the testing device for automatically judging the on-off point of the refrigerator comprises a sliding resistor, a control panel for the testing device, a display panel for the testing device, a driving motor and a load tool; the control panel is connected with a load tool; the control panel is connected with the display panel through a communication line; the port on the control board for connecting the temperature sensor is connected with the sliding resistor; the scribing of the sliding resistor is connected with a driving motor; the control board is electrically connected with the driving motor; the method is characterized in that: the method comprises the following steps:
firstly, after the system is initialized, judging and detecting a starting point or a shutdown point: reading a key instruction on the display panel, and judging a power on/off mark by the control panel;
secondly, judging the temperature of the starting point: when the compressor is not started, the motor is driven, the sliding resistor is adjusted, the resistance value is reduced from large to small, and the compressor is started until the resistance value is reduced to a certain value; reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel, wherein the temperature value is a starting point of the refrigerator;
thirdly, judging the temperature of a shutdown point: when the compressor is started, the motor is driven, the sliding resistor is adjusted, the resistance value is changed from small to large, and the compressor is closed until the resistance value is increased to a certain value; and reading the current resistance value, converting the current resistance value into a current simulation temperature value, and displaying the current simulation temperature value through a display panel, wherein the temperature value is the shutdown point of the refrigerator.
2. The control method for the refrigerator automatic judging startup and shutdown point testing device according to claim 1, wherein a load tool of the testing device comprises a load bulb simulating the startup and shutdown of a compressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910379964.4A CN110031710B (en) | 2019-05-08 | 2019-05-08 | Testing device for automatically judging on-off point of refrigerator and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910379964.4A CN110031710B (en) | 2019-05-08 | 2019-05-08 | Testing device for automatically judging on-off point of refrigerator and control method thereof |
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| CN110031710A CN110031710A (en) | 2019-07-19 |
| CN110031710B true CN110031710B (en) | 2021-04-09 |
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| CN103575056A (en) * | 2013-11-04 | 2014-02-12 | 合肥美的电冰箱有限公司 | Control method and temperature detection method of refrigerator |
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| CN204331496U (en) * | 2014-12-16 | 2015-05-13 | 江西通达电器有限公司 | A kind of temperature controller of strip resistance |
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| CN102830788A (en) * | 2012-07-30 | 2012-12-19 | 江苏瑞曼信息技术有限公司 | Computer system capable of being automatically started up and shut down |
| CN104848955A (en) * | 2014-02-18 | 2015-08-19 | 珠海格力电器股份有限公司 | Winding temperature test system and method |
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