CN1419107A - Refrigeration quantity melering device for cooling food in refrigerator and use method thereof - Google Patents
Refrigeration quantity melering device for cooling food in refrigerator and use method thereof Download PDFInfo
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- CN1419107A CN1419107A CN 02154661 CN02154661A CN1419107A CN 1419107 A CN1419107 A CN 1419107A CN 02154661 CN02154661 CN 02154661 CN 02154661 A CN02154661 A CN 02154661A CN 1419107 A CN1419107 A CN 1419107A
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Abstract
The invention refers to a kind of equipment measuring the practical refrigeration output used in the food cooling in the refrigerator and the method. Under a certain temperature and on a certain premise, it is realized by the practical-measuring method of using the electric heat to counteract the refrigerating output and by means of using the coulometric method to measure the refrigerating output. The electro-components and the circuit are all simple.
Description
The present invention relates to the measuring apparatus and the using method thereof of the actual refrigerating capacity of refrigerator in thermal technology's measurement technology.
At present, the refrigerator of selling on the market, the domestic refrigerator of various models particularly, only know its tank-volumes and power consumption, and do not know its refrigerating capacity, particularly the user is concerned about and need knows most: shave except various cold consumption (example: the cold of escaping to lose by positions such as heat-insulation layer and door envelope places), can in fact be used for the practical system cold of food cooling in the refrigerator, that is: can really on earth what be arranged for the refrigerating capacity that the user utilized.--be exactly the refrigerator manufacturer, may know the refrigerating capacity (overall refrigerating effect) of refrigeration system in the refrigerator of oneself producing, still, the above-mentioned practical system cold of refrigerator, the person of knowing may be few for number, even do not have
Above reality has illustrated: easier relate to the test of refrigerant system capacity in the refrigerator, its difficulty is just very high with regard to prior art, therefore, the Test Application scope to it generally all only limits in the process that the design and development of the various technical schemes of refrigerator is developed.And the test of the higher above-mentioned refrigerator practical system cold of relative difficulty (overall refrigerating effect and the above-mentioned cold of escaping to lose poor) has not just more been known where to begin.
For this reason, in the standard of the relevant refrigerator of All Countries, identify its refrigerating capacity at refrigerator product in the world, more can not require to identify the above-mentioned practical system cold that the user is concerned about and need knows most from failed call.This obviously is reluctantly, but this is not as much as to say: unfavorable present situation like this just can continue without end.--be refrigeration work consumption or the refrigerating capacity that the various air conditioners of refrigeration product just are required to identify them equally.
The present invention's purpose:
A kind of measuring apparatus and using method thereof that can solve the problems referred to above with the simplest and the most direct form proposed, so that marketing unit of refrigerator (market) and manufacturer, and maintaining unit and user can record or understand more comprehensively and easily: as the refrigerator of refrigeration product, constitute any one cold house in its a plurality of cold houses, perhaps whole refrigerator, can be directly used in the practical system cold data of food product refrigeration or refrigeration, i.e. " useful work " data in the physical concept.
The present invention is achieved in that
Its structure comprises on forming at least: electric heater and to the pressure regulator of its power supply and the electric power metering system of power supply, and to the temperature display system of tested cabinet space (certain cold house).
--electric power metering system constitutes (the long-pending power that equals of voltage and electric current) by the voltage table or the reometer that are attached in the supply line, perhaps directly is made of the power meter that is connected in the supply line; Temperature display system is made of semiconductor point temperature counter device or is made of other electric class or non-electric class thermometer device; With regard to the precision that temperature is surveyed, be preferably in and air agitator (blower fan) be set in the tested cabinet space to dwindle the temperature difference of each point; Blower fan and the present invention as air agitator become one, and also can separate independently separately to have (being convenient to select best rest in the tested cold house of refrigerator).
At least the operation steps that comprises on its using method:
A. the present invention is placed in the tested cabinet space (cold house) of refrigerator, shuts the chamber door of this casing and connect the power supply of refrigerator power supply and apparatus of the present invention.
B. regulate pressure regulator and implement adjusting, finally always can be fine-tuning to and make the data stabilization of the temperature indicator in the temperature display system on needed numerical value supply voltage.Because: supply voltage is transferred lowly more, and total quantity of heat production of electric heater and blower fan is just more little, and the cryogenic temperature of tested cabinet space is just low more, and promptly supply voltage and cryogenic temperature are proportional.
C. observing electric power metering system directly shows, perhaps by display voltage and electric current and the power data of trying to achieve, characterize the practical refrigerating power data of tested cabinet space (cold house), conversion can be tried to achieve practical system cold data through the mechanical equivalent of heat, just is used to the practical system cold data of refrigerator food cooling fully--and it affirms the overall refrigerating effect less than refrigerator refrigeration system.
Characteristics of the present invention:
1. the characteristics of maximum of the present invention are by adopting the electric heating amount to offset the method that is exclusively used in the practical system cold that leaves food in the refrigerator in, and the practical system cold that finally measures tested refrigerator by electric weight, and this practical system cold is to record under shaving except the prerequisite such as whole colds of escaping to lose by positions such as cabinet insulation layer and cabinet door envelope places, therefore, measured is can be directly used in the practical system cold that food freezes in the refrigerator under a certain environment temperature with under a certain refrigerator cryogenic temperature, is used for the clean refrigerating capacity to the food cooling fully that is:.
2. the main part of apparatus of the present invention almost all is made of simple electric elements and simple circuit thereof, therefore, the implementation process of apparatus of the present invention product that they are combined into is very convenient, and volume also can do very for a short time, and weight also can be very light in carrying.
3. the comfort level when the present invention uses operation, simple and direct to being market refrigerator sales counter salesman and the generally acceptance of user institute with middle school schooling, the skilled worker of professional refrigerator manufacturer and maintaining unit is just more unquestionable.
Figure has illustrated the refrigerating capacity principles of electrical measurement in one embodiment of the present of invention.
1: the freezer compartment of refrigerator cabinet space; 2: expose electric heating wire type's electric heater; 3: blower fan; 4: temperature-sensing probe; 5: the cold compartment of refrigerator cabinet space; 6: the conductor temperature display system; 7: electric power metering system; 8: auto-coupling voltage regulator 9: base; W: temperature indicator; A: reometer; V: voltage table; K: switch.
The structure that constitutes apparatus of the present invention is made up of two parts:
First test execution part: it is made up of electric heater " 2 ", blower fan " 3 " and temperature-sensing probe " 4 " three.Usually be placed in the cabinet space " 1 " of certain tested refrigerator.Structurally, the two is same with one tunnel supply line for electric heater wherein " 2 " and blower fan " 3 ", and fit co is on a base " 9 ".Temperature-sensing probe " 4 " is looked concrete the position that situation is positioned at the inclined to one side upper right corner in the cabinet space " 1 ".
It two is monitoring display parts: it is by the reometer " A " and the voltage table " V " that constitute electric power metering system " 7 ", and pressure regulator " 8 ", power switch " K " and temperature indicator " w " composition.In the test process, they be placed on usually tested refrigerator near.Structurally, they are fit in the same chamber of being convenient to regulate and observe.
Above-mentioned test execution part and monitoring display part are connected by each autocorrelative lead between the two.
Above-mentioned two parts add volume together, can be greater than the school bag of pass student, therefore, they are made into the special-purpose actual refrigerating capacity determining instrument of refrigerator of suit after because volume and weight is all very little, fully can be easily by portable.
Press the using method of the present invention and the principle thereof of the meaning of diagram:
Under some environment temperatures (example: the 32C of standard code or off-gauge 21C) condition, by manually to the adjusting of pressure regulator " 8 ", always can be as required, make the temperature data of the cabinet space " 1 " that temperature indicator " w " shows be stabilized in certain above the numerical value (example: standard code-18C or-24C).At this moment, the two data presentation of reometer " A " in total supply line and voltage table " V " also will inevitably be stabilized on the corresponding separately numerical value.
At this moment, be placed on quantity of heat production Q (heat 3) sum of quantity of heat production Q (heat 2) with the blower fan " 3 " of electric heater " 2 " in the tested cabinet space " 1 ", must equal the poor of refrigerating capacity Q (always cold) that evaporator produces in the cabinet space " 1 " and the cold Q (escaping cold) that from its heat-insulation layer (containing an envelope position), escapes to lose, obviously, quantity of heat production Q (heat 3) sum of quantity of heat production Q of electric heater " 2 " (heat 2) and blower fan " 3 ", be used to offset the refrigerating capacity part Q (practicality) that is exclusively used in the food cooling that evaporator produces in the cabinet space " 1 " fully, that is:
Q (heat 2)+Q (heat 3)=Q (always cold)-Q (escaping cold)=Q (practicality)
At last, observe and make a copy of the two video data of the reometer " A " and voltage table " V " that are connected on total feed circuit, and obtain the long-pending electric power of their the two data, after if convert, just can learn in this tested cabinet space " 1 " (refrigerating chamber) data of the practical system cold Q (practicality) that can be made full use of by people through heat equivalent of mechanical work.
Practical system cold Q (practicality) sum of each cold house of refrigerator is exactly practical system cold Q (practicality) sum total of whole refrigerator
Claims (5)
1. be used for the practical system cold measuring apparatus that food cools off in a refrigerator, its structure comprises on forming at least:
Electric heater " 2 " and the pressure regulator " 8 " and the electric power of its power supply measured system " 7 ", and to the temperature display system " 6 " of tested cabinet space " 1 ".
2. be used for the practical system cold measuring apparatus that food cools off in a refrigerator as claimed in claim 1, described electric power metering system " 7 " is made of the voltage table " V " and the reometer " A " that are connected in the supply line, perhaps directly is made of the power meter that is connected in the supply line.
3. be used for the practical system cold measuring apparatus that food cools off in a refrigerator as claimed in claim 1, described temperature display system " 6 " is made of semiconductor point temperature counter device, perhaps is made of other electric class or non-electric class thermometer device.
4. be used for the practical system cold measuring apparatus that food cools off in a refrigerator as claimed in claim 1, blower fan " 3 " is set in the described tested cabinet space " 1 ".
5. be used for the using method of the practical system cold measuring apparatus claim 1 of food cooling in the refrigerator, promptly its operation steps comprises at least:
A. place it in the tested cabinet space " 1 ", close upper chamber door and connect the refrigerator power supply, switch " K " closure;
B. regulate pressure regulator " 8 " and implement adjusting, make temperature indicator " w " data stabilization in the temperature display system " 6 " on needed numerical value supply voltage;
C. observe the electric power data that electric power metering system " 7 " shows, just the actual refrigeration work consumption data in the cold house of the tested cabinet space of refrigerator " 1 " are passed through mechanical equivalent of heat conversion and are promptly tried to achieve actual refrigerating capacity data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021546614A CN1186594C (en) | 2002-12-06 | 2002-12-06 | Refrigeration quantity melering device for cooling food in refrigerator and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021546614A CN1186594C (en) | 2002-12-06 | 2002-12-06 | Refrigeration quantity melering device for cooling food in refrigerator and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1419107A true CN1419107A (en) | 2003-05-21 |
| CN1186594C CN1186594C (en) | 2005-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021546614A Expired - Fee Related CN1186594C (en) | 2002-12-06 | 2002-12-06 | Refrigeration quantity melering device for cooling food in refrigerator and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1186594C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333245C (en) * | 2004-03-22 | 2007-08-22 | 中国计量学院 | Single-chamber simple type testing installation and its method for refrigerating output and heating quantity of air conditioner |
| CN111122017A (en) * | 2019-12-26 | 2020-05-08 | 兰州空间技术物理研究所 | Refrigerating capacity measuring device of refrigerating machine |
-
2002
- 2002-12-06 CN CNB021546614A patent/CN1186594C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333245C (en) * | 2004-03-22 | 2007-08-22 | 中国计量学院 | Single-chamber simple type testing installation and its method for refrigerating output and heating quantity of air conditioner |
| CN111122017A (en) * | 2019-12-26 | 2020-05-08 | 兰州空间技术物理研究所 | Refrigerating capacity measuring device of refrigerating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186594C (en) | 2005-01-26 |
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