CN201314740Y - Ice storage - Google Patents
Ice storage Download PDFInfo
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- CN201314740Y CN201314740Y CNU2008201526940U CN200820152694U CN201314740Y CN 201314740 Y CN201314740 Y CN 201314740Y CN U2008201526940 U CNU2008201526940 U CN U2008201526940U CN 200820152694 U CN200820152694 U CN 200820152694U CN 201314740 Y CN201314740 Y CN 201314740Y
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- air
- cooler
- controller
- temperature sensor
- frequency converter
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Abstract
The utility model belongs to the technical field of food storage and fresh-keeping devices, in particular relates to an ice storage. The ice storage comprises a frequency converter, a refrigeration circular system, a control system and a return air feeding system, wherein the refrigeration circular system is formed by sequentially connecting a compressor, a drying filter, an extension mechanism, an electromagnetic valve, an air cooler and an air-liquid separator by a pipeline; the control system consist of a controller and a temperature sensor; the temperature sensor is connected with the controller; the return air feeding system consists of an uneven air feeding hole plate, a return air baffle, a return air channel, a cold air return valve of the air cooler, a cold air feeding valve of the air cooler and an air feeding channel; the uneven air feeding hole plate is positioned below the air cooler; the return air baffle is arranged at the air inlet side of the air cooler; and the frequency converter is connected with the controller. The utility model can control the fluctuation range of the storage temperature of the ice storage within 0.5 DEG C below zero and 0.5 DEG C, or control the fluctuation range of the storage temperature of a combined cold storage within 1 DEG C below zero and 1 DEG C, can reduce the switching frequency of refrigeration equipment, prolong the service life and improve the fresh-keeping quality of foods.
Description
Technical field
The utility model belongs to food storage preservation device technical field, is specifically related to a kind of ice Wen Ku.
Background technology
Existing combination temperature of ice house control system, normally when Ku Wen is higher than 1 ℃ of design temperature, refrigeration system work; When Ku Wen is lower than 1 ℃ of design temperature, close refrigeration system.On the one hand, owing to there is thermal inertia, the actual temperature fluctuation of storehouse temperature is all greater than ± 1 ℃, and especially when the air-cooler defrosting, the storehouse temperature is gone up very big, and these all are unfavorable for food storage; On the other hand, this control method will cause the frequent switch of refrigeration system, reduce the service life of refrigeration plant.The Icetemperature Storage preservation technique is to originate from Japan, it be with food storage in 0 ℃ between the food freezing point, icing warm refrigerating equipment compares with common refrigerating equipment, maximum difference is to ice warm storehouse accuracy of temperature control height, generally require storehouse temperature fluctuation range in ± 0.5 ℃, the chuck technology is mainly adopted in the ice temperature storehouse of Japan, and structure is comparatively complicated.
Summary of the invention
The purpose of this utility model is to provide a kind of ice Wen Ku.
The ice Wen Ku that the utility model proposes comprises that storehouse body, frequency converter, power supply, cooling cycle system, control system, air blow and return system form, wherein,
Cooling cycle system is connected by pipeline with vapour liquid separator successively by compressor, condenser, device for drying and filtering, expansion mechanism, first magnetic valve, second magnetic valve, first air-cooler, second air-cooler, and first air-cooler and second air-cooler lay respectively in the body of storehouse.
Control system is made up of controller, first temperature sensor, second temperature sensor and three-temperature sensor, first temperature sensor, second temperature sensor and three-temperature sensor are connected by holding wire with controller respectively, and second temperature sensor, three-temperature sensor are arranged in the fin surface of first air-cooler, second air-cooler.
The air blow and return system is made up of non-homogeneous air-supply orifice plate, return air baffle plate, return airway, air-cooler return air valve, air-cooler air-supply valve, supply air duct, non-homogeneous air-supply orifice plate is positioned at first air-cooler and second air-cooler below, the air inlet of first air-cooler and second air-cooler is furnished with air-cooler return air valve respectively, air outlet is furnished with air-cooler air-supply valve respectively, and the suction oral-lateral of first air-cooler and second air-cooler is arranged the return air baffle plate respectively.
First frequency converter, second frequency converter, the 3rd frequency converter, the 4th frequency converter is connected by holding wire with controller respectively, first frequency converter is connected by electric wire with motor in first air-cooler with power supply respectively, second frequency converter is connected by electric wire with motor in the condenser with power supply respectively, the 3rd frequency converter is connected by electric wire with motor in the compressor with power supply respectively, the 4th frequency converter is connected by electric wire with motor in second air-cooler with power supply respectively, first magnetic valve is connected by holding wire with controller respectively with second magnetic valve, and expansion mechanism connects controller.
In the utility model, first temperature sensor is evenly arranged in the body of storehouse, and the quantity of first temperature sensor is looked storehouse body size decision, is generally more than 8.
In the utility model, controller can adopt among computer, single-chip microcomputer or the PLC any.
In the utility model, expansion mechanism can adopt electric expansion valve or heating power expansion valve in parallel; When using heating power expansion valve in parallel, be provided with magnetic valve before each heating power expansion valve, each magnetic valve is connected by holding wire with controller respectively.
In the utility model, condenser can adopt air cooled condenser or water cooled condenser; When adopting air cooled condenser, the motor in its blower fan is connected by holding wire with controller; When adopting water cooled condenser, the motor in its water pump is connected by holding wire with controller.
In the utility model, non-homogeneous air-supply orifice plate is few from first air-cooler and second air-cooler unit are perforate nearby number, and is many from the number of first air-cooler and the unit are perforate at a distance of second air-cooler.
In the utility model, the refrigeration compressor that compressor can adopt Piston Refrigerant Compreessor or other refrigerating capacitys to change with motor speed; Perhaps adopt by digital vortex formula refrigeration compressor and replace refrigeration compressor and the frequency converter that is connected compressor; Perhaps adopt by Spiral Lobe Refrigeration Compressor and replace refrigeration compressor and the frequency converter that is connected compressor.
In the utility model, fin surface in first air-cooler and second air-cooler is arranged second temperature sensor and three-temperature sensor respectively, measure the fin wall temperature, when the difference of Ku Wen and fin wall temperature sets value greater than certain, one of them air-cooler begins defrosting, and another air-cooler begins the frequency conversion refrigeration.During more than or equal to 0 ℃, stop defrosting at the fin wall temperature of defrosting air-cooler.
The course of work of the present utility model is as follows:
1, evenly arrange (by the decision of storehouse body size) temperature sensors of high precision more than 8 at ice Wen Kunei diverse location, temperature sensor is connected with controller (computer or single-chip microcomputer or PLC), in controller, put in advance the Temperature Fuzzy Control program that weaves, its control procedure is, for ice Wen Ku, the temperature sampling cycle is by the decision of storehouse body size, it can be several seconds or several minutes, when mean temperature in the detected storehouse during more than or equal to (design temperature+0.5 ℃), refrigeration compressor, air-cooler, blower fan in the air cooled condenser or the equal full speed running of the water pump in the water cooled condenser; Mean temperature is less than (design temperature+0.5 ℃) in detected storehouse, simultaneously detected temperature is again greater than (design temperature-0.5 ℃), the frequency converter frequency that controller is connected by blower fan in reduction and compressor, air-cooler, the air cooled condenser or the water pump in the water cooled condenser, blower fan in refrigeration compressor, air-cooler, the air cooled condenser or the water pump in the water cooled condenser are all run slowly, the degree of slowing down is adjusted according to mean temperature in the storehouse and rate of change thereof voluntarily by controller; When detected mean temperature was less than or equal to (design temperature-0.5 ℃), refrigeration system was out of service.For the combination freezer, the temperature sampling cycle is by the decision of storehouse body size, it can be several seconds or several minutes, when mean temperature in the detected storehouse during more than or equal to (design temperature+1 ℃), blower fan in refrigeration compressor, air-cooler, the air cooled condenser or the equal full speed running of the water pump in the water cooled condenser; Mean temperature is less than (design temperature+1 ℃) in detected storehouse, simultaneously detected temperature is again greater than (design temperature-1 ℃), the frequency converter frequency that controller is connected by blower fan in reduction and compressor, air-cooler, the air cooled condenser or the water pump in the water cooled condenser, blower fan in refrigeration compressor, air-cooler, the air cooled condenser or the water pump in the water cooled condenser are all run slowly, the degree of slowing down is adjusted according to mean temperature in the storehouse and rate of change thereof voluntarily by controller; When mean temperature in the detected storehouse was less than or equal to (design temperature-1 ℃), refrigeration system was out of service.
2. two air-coolers of ice Wen Kunei during the refrigeration system operation, have only an air-cooler in work.A temperature sensor is arranged in fin surface in air-cooler, measures the fin wall temperature, and when the difference of Ku Wen and fin wall temperature set value greater than certain, this air-cooler began defrosting, and another air-cooler begins the frequency conversion refrigeration.During more than or equal to 0 ℃, stop defrosting at the fin wall temperature of defrosting air-cooler.The control of refrigeration system is described with above-mentioned 1 in the defrosting process.
3. if what the refrigeration system expansion mechanism adopted is electric expansion valve, its work is controlled by computer or single-chip microcomputer or PLC automatically, mainly is the flow size of regulating cold-producing medium; If adopt the heating power expansion valve of several parallel connections, before each heating power expansion valve, magnetic valve need be set, the Kai Heguan of magnetic valve is controlled by computer or single-chip microcomputer or PLC automatically, major control also be the flow size of cold-producing medium.
4. adopt the non-homogeneous orifice feeding in top, side return air in the storehouse.Non-homogeneous orifice plate be from air-cooler nearby on the unit are number of perforate few, from air-cooler at a distance on the unit are number of perforate many.Can make in the storehouse air-supply evenly, uniform distribution of temperature field.
5. the inlet and outlet at each air-cooler is provided with valve, closes when the air-cooler defrosting, opens when air-cooler freezes, and spreads in the storehouse to reduce the defrosting heat.
The utility model advantage is: can with ice Wen Ku storehouse temperature fluctuation range be controlled at ± 0.5 ℃ in; Perhaps can with the combination freezer storehouse temperature fluctuation range be controlled at ± 1 ℃ in.Can reduce the switch number of times of refrigeration plant, prolong its service life, improve the fresh-keeping quality of food.
Description of drawings
Fig. 1 is a structural diagrams of the present utility model.
Fig. 2 is the utility model storehouse body 3 inner structures diagram.
Number in the figure: 1 is controller, and 2 is first temperature sensor, and 3 is the storehouse body, 4 is non-homogeneous air-supply orifice plate, and 5 is second temperature sensor, and 6 is power supply, 7 is first frequency converter, and 8 is first air-cooler, and 9 is three-temperature sensor, 10 is second air-cooler, and 11 is first magnetic valve, and 12 is second magnetic valve, 13 is expansion mechanism, and 14 is device for drying and filtering, and 15 is condenser, 16 is second frequency converter, and 17 is power supply, and 18 is power supply, 19 is the 3rd frequency converter, and 20 is compressor, and 21 is vapour liquid separator, 22 is power supply, and 23 is the 4th frequency converter, and 24 is the return air baffle plate, 25 is return airway, 26 is air-cooler return air valve, 27 air-coolers air-supply valve, and 28 is supply air duct.
The specific embodiment
1 further specify the utility model in conjunction with the accompanying drawings below by embodiment.
Embodiment 1: following each parts are connected by Fig. 1-mode shown in Figure 2, and these those skilled in the art all can smooth implementation.
13m
3Ice Wen Ku, technical indicator: storehouse temperature setting range 0～-5 ℃, temperature fluctuation, design temperature ± 0.5 ℃.A kind of storehouse internal volume shown in Fig. 1 is 13m
3Ice Wen Ku, the refrigeration system unit type, refrigeration compressor 20 is C-L37M8J, condenser 15 is selected air-cooled KDL-S33-AL for use, device for drying and filtering 14 is ALCO EK-083 (S), and expansion mechanism 13 is selected electric expansion valve ETS for use, and first magnetic valve 11, second magnetic valve 12 are EVR6, first air-cooler 8, second air-cooler 10 are SPBE031C, and vapour liquid separator 21 is S-7043.Second temperature sensor 5, three-temperature sensor 9 are the Pt100 RTD, precision ± 0.1 ℃, first temperature sensor 2 is 8 Pt100 RTDs, be evenly arranged in the storehouse body 3, precision ± 0.1 ℃, first frequency converter 7, second frequency converter 16, the 4th frequency converter 23 are VLTAQUA Drive FC200, and the 3rd frequency converter 19 is VLT Micro Drive FC51, controller 1 is selected single chip computer AT 89C51 for use, and power supply 6,17,18,22 is the 380V alternating current.
Ice Wen Ku with design temperature-2 ℃ is an example, illustrates that its course of work is as follows:
1, evenly arranges 8 temperature sensors 2 at ice Wen Kunei diverse location, temperature sensor 2 is connected with controller 1 respectively, the temperature sampling cycle was 3 seconds, in controller 1, put in advance the Temperature Fuzzy Control program that weaves, when mean temperature is more than or equal to-1.5 ℃ in the body 3 of detected storehouse, the equal full speed running of blower fan in refrigeration compressor 20, first air-cooler 8 or second air-cooler 10, the air cooled condenser 15; Mean temperature is less than-1.5 ℃ in detected storehouse, detected temperature is again greater than-2.5 ℃ simultaneously, controller 1 is by reducing the frequency converter frequency that is connected with blower fan in compressor 20, first air-cooler 8 or second air-cooler 10, the air cooled condenser 15, blower fan in refrigeration compressor 20, first air-cooler 8 or second air-cooler 10, the air cooled condenser 15 is all run slowly, the degree of slowing down is adjusted according to mean temperature and rate of change thereof in the storehouse body 3 voluntarily by controller 1; When detected mean temperature was less than or equal to-2.5 ℃, refrigeration system was out of service.
2, first air-cooler 8, second air-cooler 10 of ice Wen Kunei during the refrigeration system operation, have only an air-cooler in work.As 8 work of first air-cooler, then controller 1 control first magnetic valve 11 is opened, second magnetic valve 12 cuts out, arrange second temperature sensor 5 in the fin surface of first air-cooler 8, measure the fin wall temperature, the difference of Ku Wen (being the mean temperature of 8 temperature sensors) and fin wall temperature 5 is during greater than 14 ℃, the 8 beginning defrostings of first air-cooler, second air-cooler, 10 beginning frequency conversions refrigeration.During more than or equal to 0 ℃, stop defrosting at the fin wall temperature 5 of defrosting air-cooler.The control of refrigeration system is described with above-mentioned 1 in the defrosting process.
3, the electric expansion valve in the refrigeration system 13, the automatic control of the controlled device 1 of its work mainly is the flow size of regulating cold-producing medium.
4, adopt non-homogeneous air-supply orifice plate 4 air-supplies in top, side return air in the storehouse body 3.Non-homogeneous orifice plate be from air-cooler nearby on the unit are number of perforate few, from air-cooler at a distance on the unit are number of perforate many.Can make in the storehouse air-supply evenly, uniform distribution of temperature field.
5, the inlet and outlet at each air-cooler is provided with valve, the automatic control that opens or closes controlled device 1 of valve.When the air-cooler defrosting, close, when air-cooler freezes, open, in the storehouse, spread to reduce the defrosting heat.
Although relate to a kind of ice Wen Ku and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (6)
1, a kind of ice Wen Ku comprises that storehouse body (3), frequency converter, power supply, cooling cycle system, control system, air blow and return system form, and is characterized in that:
Cooling cycle system is connected by pipeline successively by compressor (20), condenser (15), device for drying and filtering (14), expansion mechanism (13), first magnetic valve (11), second magnetic valve (12), first air-cooler (8), second air-cooler (10) and vapour liquid separator (21), and first air-cooler (8) and second air-cooler (10) lay respectively in the storehouse body (3);
Control system is made up of controller (1), first temperature sensor (2), second temperature sensor (5) and three-temperature sensor (9), first temperature sensor (2), second temperature sensor (5) and three-temperature sensor (9) are connected by holding wire with controller (1) respectively, and second temperature sensor (5), three-temperature sensor (9) are arranged in the fin surface of first air-cooler (8), second air-cooler (10);
The air blow and return system is by non-homogeneous air-supply orifice plate (4), return air baffle plate (24), return airway (25), air-cooler return air valve (26), air-cooler air-supply valve (27), supply air duct (28) is formed, non-homogeneous air-supply orifice plate (4) is positioned at first air-cooler (8) and second air-cooler (10) below, the air inlet of first air-cooler (8) and second air-cooler (10) is furnished with air-cooler return air valve (26) respectively, air outlet is furnished with air-cooler air-supply valve (27) respectively, and the suction oral-lateral of first air-cooler (8) and second air-cooler (10) is arranged return air baffle plate (24) respectively;
First frequency converter (7), second frequency converter (16), the 3rd frequency converter (19), the 4th frequency converter (23) is connected by holding wire with controller (1) respectively, first frequency converter (7) is connected by electric wire with motor in first air-cooler (8) with power supply (6) respectively, second frequency converter (16) is connected by electric wire with motor in the condenser (15) with power supply (17) respectively, the 3rd frequency converter (19) is connected by electric wire with motor in the compressor (20) with power supply (18) respectively, the 4th frequency converter (23) is connected by electric wire with motor in second air-cooler (10) with power supply (22) respectively, first magnetic valve (11) is connected by holding wire with controller (1) respectively with second magnetic valve (12), and expansion mechanism (13) connects controller (1).
2, ice Wen Ku according to claim 1 is characterized in that first temperature sensor (2) is evenly arranged in the storehouse body (3), and the quantity of first temperature sensor (2) is more than 8.
3, ice Wen Ku according to claim 1 is characterized in that controller (1) adopts among computer, single-chip microcomputer or the PLC any.
4, ice Wen Ku according to claim 1 is characterized in that expansion mechanism (13) adopts electric expansion valve or heating power expansion valve in parallel; When using heating power expansion valve in parallel, be provided with magnetic valve before each heating power expansion valve, each magnetic valve is connected by holding wire with controller (1) respectively.
5, ice Wen Ku according to claim 1 is characterized in that condenser (15) adopts air cooled condenser or water cooled condenser; When adopting air cooled condenser, the motor in its blower fan is connected by holding wire with controller (1); When adopting water cooled condenser, the motor in its water pump is connected by holding wire with controller (1).
6, ice Wen Ku according to claim 1, it is characterized in that non-homogeneous air-supply orifice plate (4) is few from first air-cooler (8) and second air-cooler (10) unit are perforate nearby number, many from the number of first air-cooler (8) and second air-cooler (10) unit are perforate at a distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201526940U CN201314740Y (en) | 2008-09-04 | 2008-09-04 | Ice storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201526940U CN201314740Y (en) | 2008-09-04 | 2008-09-04 | Ice storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314740Y true CN201314740Y (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201526940U Expired - Fee Related CN201314740Y (en) | 2008-09-04 | 2008-09-04 | Ice storage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972501A (en) * | 2012-12-13 | 2013-03-20 | 浙江海洋学院 | Ice-temperature fresh-keeping insulation can for large yellow croaker |
| CN103411390A (en) * | 2013-07-18 | 2013-11-27 | 上海海洋大学 | Ice-temperature vacuum drying device and ice-temperature vacuum drying method of fresh fish fillets |
| CN104236245A (en) * | 2013-10-21 | 2014-12-24 | 宁波市农业科学研究院 | Energy saving control system for precooling cold store |
| CN104222262A (en) * | 2013-10-21 | 2014-12-24 | 宁波市农业科学研究院 | Pre-cooling domestication method for fruits and vegetables and refrigeration equipment |
| CN105928293A (en) * | 2016-06-06 | 2016-09-07 | 冰山技术服务（大连）有限公司 | Ammonia refrigeration house system |
| CN106556214A (en) * | 2015-09-24 | 2017-04-05 | 特博梭富特公司 | The state monitoring apparatus and its method of extremely low temperature freezer |
-
2008
- 2008-09-04 CN CNU2008201526940U patent/CN201314740Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972501A (en) * | 2012-12-13 | 2013-03-20 | 浙江海洋学院 | Ice-temperature fresh-keeping insulation can for large yellow croaker |
| CN103411390A (en) * | 2013-07-18 | 2013-11-27 | 上海海洋大学 | Ice-temperature vacuum drying device and ice-temperature vacuum drying method of fresh fish fillets |
| CN103411390B (en) * | 2013-07-18 | 2015-09-02 | 上海海洋大学 | A kind of ice temperature Minton dryer and the vacuum drying method of fresh fish fillet ice temperature |
| CN104236245A (en) * | 2013-10-21 | 2014-12-24 | 宁波市农业科学研究院 | Energy saving control system for precooling cold store |
| CN104222262A (en) * | 2013-10-21 | 2014-12-24 | 宁波市农业科学研究院 | Pre-cooling domestication method for fruits and vegetables and refrigeration equipment |
| CN104236245B (en) * | 2013-10-21 | 2016-04-20 | 宁波市农业科学研究院 | A kind of pre-freezer energy-saving control system |
| CN106556214A (en) * | 2015-09-24 | 2017-04-05 | 特博梭富特公司 | The state monitoring apparatus and its method of extremely low temperature freezer |
| CN105928293A (en) * | 2016-06-06 | 2016-09-07 | 冰山技术服务（大连）有限公司 | Ammonia refrigeration house system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20160904 |