CN204594034U - Natural cooling source air conditioning display cabinet system - Google Patents

Natural cooling source air conditioning display cabinet system Download PDF

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Publication number
CN204594034U
CN204594034U CN201520080093.3U CN201520080093U CN204594034U CN 204594034 U CN204594034 U CN 204594034U CN 201520080093 U CN201520080093 U CN 201520080093U CN 204594034 U CN204594034 U CN 204594034U
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China
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air
cold
duct
airduct
return air
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吕彦力
袁培
吴学红
龚毅
张文慧
许旺龙
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Zhengzhou University of Light Industry
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Zhengzhou University of Light Industry
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Abstract

The utility model discloses a kind of natural cooling source air conditioning display cabinet system, comprise at least one cooling circulatory system, described every bar cooling circulatory system includes cold storage and regulating system, at least two refrigerators be connected in parallel, outdoor fresh air pipeline, air supply duct, return air duct, exhaust duct, wind pushing cavity tube connector and air draft chamber tube connector, outdoor fresh air pipeline is stored with cold and is connected with the air inlet of regulating system, cold storage is connected with air supply duct with the air outlet of regulating system, the input of wind pushing cavity tube connector is connected with air supply duct, output is connected with refrigerator wind pushing cavity, the input of air draft chamber tube connector is connected with refrigerator return air chamber, output is connected with return air duct, the output of return air duct is stored with cold and is connected with the return air inlet of regulating system.The utility model natural cooling source air conditioning display cabinet system can solve the higher problem of display cases energy consuming well, in different regions, Various Seasonal, time and period cold-storage, reach energy-saving benefit.

Description

Natural cooling source air conditioning display cabinet system
Technical field
The utility model relates to a kind of refrigeration plant, especially natural cooling source air conditioning display cabinet system.
Background technology
Manage association's investigation according to China, in typical supermarket, refrigerating equipment power consumption accounts for 60% of total power consumption.And showcase is the major part that supermarket consumes electric energy, its energy consumption accounts for the over half of supermarket power consumption.The energy consumption that refrigerator display case is huge have compressed the profit margin in supermarket.In order to reduce operating cost, some supermarket refrigerator display cases do not run according to refrigeration requirements, cause the thing of food spoilage to occur again repeatly.Therefore, under the prerequisite ensureing food quality, the energy-saving run of refrigerator display case seems more important.
Outdoor natural cold source is used for Refrigerated display cabinet system and has carried out part work altogether recent years, rock-block field army proposes to utilize natural cooling source to be applied to showcase and control strategy thereof winter, and Chen Tian and research natural cooling source refrigerate than traditional low-temperature receiver the energy consumption that old showcase can reduce refrigeration system.
Natural cold source is applied to showcase and achieves certain achievement, due to restriction, the complicated control logic of its outdoor environment temperature, receives certain restriction in application.Therefore, for passing the higher problem of logical refrigerator display case energy consumption, this patent proposes a kind of freezing, refrigerator display case with cold-storage device utilizing outdoor natural cooling source.Temperature is the key factor affecting chilled food growth of microorganism, determines quality and the safety of food.Mostly the Food poisoning cases of current generation is to cause higher than Storage Requirement temperature due to food temperature, and the temperature in the refrigerator display case of particularly cold chain terminal does not reach freezing, refrigeration requirements.For ensuring food safety, ensure that food temperature is very necessary and urgent requirement below Storage Requirement temperature.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned the deficiencies in the prior art, provide a kind of natural cooling source air conditioning display cabinet system, this cooling showcase system can solve the higher problem of display cases energy consuming well.
The technical scheme that the utility model natural cooling source air conditioning display cabinet system adopts is as follows:
The utility model natural cooling source air conditioning display cabinet system, comprise at least one cooling circulatory system, described every bar cooling circulatory system includes cold storage and regulating system, at least two refrigerators be connected in parallel, outdoor fresh air pipeline, air supply duct, return air duct, exhaust duct, wind pushing cavity tube connector and air draft chamber tube connector, outdoor fresh air pipeline is stored with cold and is connected with the air inlet of regulating system, cold storage is connected with air supply duct with the air outlet of regulating system, the input of wind pushing cavity tube connector is connected with air supply duct, output is connected with refrigerator wind pushing cavity, the input of air draft chamber tube connector is connected with refrigerator return air chamber, output is connected with return air duct, the output of return air duct is stored with cold and is connected with the return air inlet of regulating system, exhaust duct is stored with cold and is connected with the exhaust outlet of regulating system.Outdoor air intake flow into cold storage and regulating system by outdoor fresh air pipeline, with regulating system, cold-storage is carried out to outdoor air intake by cold storage, distinguished and admirable after cold-storage enters in air supply duct, be sent in refrigerator wind pushing cavity by wind pushing cavity tube connector again, to enter in wind pushing cavity distinguished and admirable sends from air outlet, enter in return air chamber by the return air inlet of refrigerator again, air draft chamber tube connector through being connected with return air chamber flow in return air duct, discharge from exhaust duct with regulating system through cold storage again, form circulation.
As preferred version of the present utility model, the described cooling circulatory system is two, and two cooling circulatory systems are respectively the refrigerator display case cooling circulatory system and the refrigerated display case cooling circulatory system.By the cooling circulatory system being set to respectively the refrigerator display case cooling circulatory system and the refrigerated display case cooling circulatory system, the cooling while of can simultaneously carrying out multiple stage refrigerator display case and refrigerated display case, saves cooling cost further.
As preferred version of the present utility model, the described refrigerator display case cooling circulatory system comprises cold storage and regulating system, at least two refrigerator display cases be connected in parallel, first outdoor fresh air pipeline, first air supply duct, first return air duct, first row wind pipeline, first wind pushing cavity tube connector and the first air draft chamber tube connector, first outdoor fresh air pipeline is stored with cold and is connected with the air inlet of regulating system, cold storage is connected with the first air supply duct with the air outlet of regulating system, the input of the first wind pushing cavity tube connector is connected with the first air supply duct, output is connected with refrigerator display case wind pushing cavity, the input of the first air draft chamber tube connector is connected with refrigerator display case return air chamber, output is connected with the first return air duct, the output of the first return air duct is stored with cold and is connected with the return air inlet of regulating system, first row wind pipeline is stored with cold and is connected with the exhaust outlet of regulating system.Outdoor air intake flow into cold storage and regulating system by the first outdoor fresh air pipeline, with regulating system, cold-storage is carried out to outdoor air intake by cold storage, distinguished and admirable after cold-storage enters in the first air supply duct, be sent in refrigerator display case wind pushing cavity by the first wind pushing cavity tube connector again, to enter in refrigerator display case wind pushing cavity distinguished and admirable sends from air outlet, enter in return air chamber by the return air inlet of refrigerator display case again, the first air draft chamber tube connector through being connected with refrigerator display case return air chamber flow in the first return air duct, discharge from first row wind pipeline with regulating system through cold storage again, form circulation.
As preferred version of the present utility model, the described refrigerated display case cooling circulatory system comprises cold storage and regulating system, at least two refrigerated display cases be connected in parallel, second outdoor fresh air pipeline, second air supply duct, second return air duct, second row wind pipeline, second wind pushing cavity tube connector and the second air draft chamber tube connector, second outdoor fresh air pipeline is stored with cold and is connected with the air inlet of regulating system, cold storage is connected with the second air supply duct with the air outlet of regulating system, the input of the second wind pushing cavity tube connector is connected with the second air supply duct, output is connected with refrigerated display case wind pushing cavity, the input of the second air draft chamber tube connector is connected with refrigerated display case return air chamber, output is connected with the second return air duct, the output of the second return air duct is stored with cold and is connected with the return air inlet of regulating system, second row wind pipeline is stored with cold and is connected with the exhaust outlet of regulating system.Outdoor air intake flow into cold storage and regulating system by the second outdoor fresh air pipeline, with regulating system, cold-storage is carried out to outdoor air intake by cold storage, distinguished and admirable after cold-storage enters in the second air supply duct, be sent in refrigerated display case wind pushing cavity by the second wind pushing cavity tube connector again, to enter in refrigerated display case wind pushing cavity distinguished and admirable sends from air outlet, enter in return air chamber by the return air inlet of refrigerated display case again, the second air draft chamber tube connector through being connected with refrigerated display case return air chamber flow in the second return air duct, discharge from second row wind pipeline with regulating system through cold storage again, form circulation.
As preferred version of the present utility model, described cold storage comprises cold-storage device with regulating system, plenum chamber, first airduct, second airduct, 3rd airduct, 4th airduct, tendencies pipe and the 6th airduct, first airduct and the second airduct and outdoor fresh air pipeline are connected in parallel, plenum chamber is connected with the 3rd airduct with the first air duct blow pipeline respectively, cold-storage device is connected with the 4th airduct with the second airduct respectively, 4th airduct is connected with tendencies pipe respectively with the 3rd airduct, tendencies pipe two ends are connected with exhaust duct with return air duct respectively, 6th airduct is arranged between cold-storage device and the first airduct, at the first airduct, second airduct, 3rd airduct, 4th airduct, tendencies pipe and the 6th airduct are provided with valve.Cold storage can adjust air blow and return ratio with regulating system and reach reserve temperature requirement.
As preferred version of the present utility model, described cold-storage device is refrigeration cold-storage device or freezing cold-storage device.By cold-storage device being set to refrigeration cold-storage device or freezing cold-storage device, refrigeration cold-storage device goes for the cold-storage of refrigerator display case, and freezing cold-storage device goes for the cold-storage of refrigerated display case.
As preferred version of the present utility model, first outdoor fresh air pipeline and the second outdoor fresh air pipeline are provided with air cleaning unit, by arranging air cleaning unit on the first outdoor fresh air pipeline and the second outdoor fresh air pipeline, air cleaning unit can filter the new wind in outdoor, makes the air-flow cleanliness factor that enters in refrigerator high.
As preferred version of the present utility model, first outdoor fresh air pipeline and the second outdoor fresh air pipeline are provided with the first sensor of the outer new air temperature of detecting chamber, refrigerator display case and refrigerated display case are provided with the second sensor of detection in-cabinet temperature, the first return air duct and the second return air duct are provided with the 3rd sensor of detection return air temperature.The new wind intake of start/stop of compressor and outdoor in 3rd sensor cooperation control refrigerator of the first sensor of the outer new air temperature of described detecting chamber, the second sensor detecting in-cabinet temperature and detection return air temperature, to showcase cooling, reaches energy-saving benefit.
As preferred version of the present utility model, the first air supply duct and two air supply ducts are provided with air supply motor, the first return air duct and the second return air duct are provided with return air motor.Air supply motor and return air motor play the effect to distinguished and admirable drainage pressurization.
As preferred version of the present utility model, outdoor fresh air pipeline, air supply duct, wind pushing cavity tube connector, return air chamber tube connector return air duct and exhaust duct are provided with air-valve.Air-valve on fresh air pipeline disposed in the outdoor according to the outer new wind of the automatic conditioning chamber of refrigerator in-cabinet temperature and return air amount, can ensure the reserve temperature of showcase food.
In sum, the advantage of the utility model natural cooling source air conditioning display cabinet system to solve the higher problem of display cases energy consuming well, in different regions, Various Seasonal, different time and Different periods cold-storage, reaches energy-saving benefit.
Accompanying drawing explanation
Fig. 1 is the basic block diagram of the utility model natural cooling source air conditioning display cabinet system.
Fig. 2 is the cold storage of the utility model natural cooling source air conditioning display cabinet system and the basic block diagram of regulating system.
Detailed description of the invention
As shown in Figure 1, 2, the utility model natural cooling source air conditioning display cabinet system, comprise at least one cooling circulatory system, described every bar cooling circulatory system includes cold storage and regulating system 1, at least two refrigerators be connected in parallel, outdoor fresh air pipeline, air supply duct, return air duct, exhaust duct, wind pushing cavity tube connector and air draft chamber tube connector, and outdoor fresh air pipeline, air supply duct, wind pushing cavity tube connector, return air chamber tube connector return air duct and exhaust duct are provided with air-valve.Outdoor fresh air pipeline is stored with cold and is connected with the air inlet of regulating system 1, cold storage is connected with air supply duct with the air outlet of regulating system, the input of wind pushing cavity tube connector is connected with air supply duct, output is connected with refrigerator wind pushing cavity, the input of air draft chamber tube connector is connected with refrigerator return air chamber, output is connected with return air duct, and the output of return air duct is stored with cold and is connected with the return air inlet of regulating system 1, and exhaust duct is stored with cold and is connected with the exhaust outlet of regulating system 1.Outdoor air intake flow into cold storage and regulating system 1 by outdoor fresh air pipeline, with regulating system 1, cold-storage is carried out to outdoor air intake by cold storage, distinguished and admirable after cold-storage enters in air supply duct, be sent in refrigerator wind pushing cavity by wind pushing cavity tube connector again, to enter in wind pushing cavity distinguished and admirable sends from air outlet, enter in return air chamber by the return air inlet of refrigerator again, air draft chamber tube connector through being connected with return air chamber flow in return air duct, discharge from exhaust duct with regulating system 1 through cold storage again, form circulation.
The described cooling circulatory system is two, and two cooling circulatory systems are respectively the refrigerator display case cooling circulatory system and the refrigerated display case cooling circulatory system.By the cooling circulatory system being set to respectively the refrigerator display case cooling circulatory system and the refrigerated display case cooling circulatory system, the cooling while of can simultaneously carrying out multiple stage refrigerator display case and refrigerated display case, saves cooling cost further.Air outlet, refrigerator display case wind pushing cavity 9, return air inlet, refrigerator display case return air chamber 10, evaporimeter, throttling arrangement, condenser and compressor is provided with in refrigerator display case 2.Air outlet, return air inlet, refrigerated display case return air chamber 19, refrigerated display case wind pushing cavity 18 and evaporimeter is provided with in refrigerated display case 11.Refrigerator display case 2 and refrigerated display case 11 are positioned at indoor, and other device is positioned at outside.
The refrigerator display case cooling circulatory system comprises cold storage and regulating system 1, at least two refrigerator display cases be connected in parallel 2, first outdoor fresh air pipeline 3, first air supply duct 4, first return air duct 5, first row wind pipeline 6, first wind pushing cavity tube connector 7 and the first air draft chamber tube connector 8, first outdoor fresh air pipeline 3 is stored with cold and is connected with the air inlet of regulating system 1, cold storage is connected with the first air supply duct 4 with the air outlet of regulating system 1, the input of the first wind pushing cavity tube connector 7 is connected with the first air supply duct 4, output is connected with refrigerator display case wind pushing cavity 9, the input of the first air draft chamber tube connector 8 is connected with refrigerator display case return air chamber 10, output is connected with the first return air duct 5, the output of the first return air duct 5 is stored with cold and is connected with the return air inlet of regulating system 1, first row wind pipeline 6 is stored with cold and is connected with the exhaust outlet of regulating system 1.Outdoor air intake flow into cold storage and regulating system 1 by the first outdoor fresh air pipeline 3, with regulating system 1, cold-storage is carried out to outdoor air intake by cold storage, distinguished and admirable after cold-storage enters in the first air supply duct 4, be sent in refrigerator display case wind pushing cavity 9 by the first wind pushing cavity tube connector 7 again, to enter in refrigerator display case wind pushing cavity 9 distinguished and admirable sends from air outlet, enter in return air chamber 10 by refrigerator display case return air inlet again, the first air draft chamber tube connector 8 through being connected with refrigerator display case return air chamber 10 flow in the first return air duct 5, discharge from first row wind pipeline 6 with regulating system 1 through cold storage again, form circulation.
The refrigerated display case cooling circulatory system comprises cold storage and regulating system 1, at least two refrigerated display cases be connected in parallel 11, second outdoor fresh air pipeline 12, second air supply duct 13, second return air duct 14, second row wind pipeline 15, second wind pushing cavity tube connector 16 and the second air draft chamber tube connector 17, second outdoor fresh air pipeline 12 is stored with cold and is connected with the air inlet of regulating system 1, cold storage is connected with the second air supply duct 13 with the air outlet of regulating system 1, the input of the second wind pushing cavity tube connector 16 is connected with the second air supply duct 13, output is connected with refrigerated display case wind pushing cavity 18, the input of the second air draft chamber tube connector 17 is connected with refrigerated display case return air chamber 19, output is connected with the second return air duct 14, the output of the second return air duct 14 is stored with cold and is connected with the return air inlet of regulating system 1, second row wind pipeline 15 is stored with cold and is connected with the exhaust outlet of regulating system 1.Outdoor air intake flow into cold storage and regulating system 1 by the second outdoor fresh wind tube 12 road, with regulating system 1, cold-storage is carried out to outdoor air intake by cold storage, distinguished and admirable after cold-storage enters in the second air supply duct 13, be sent in refrigerated display case wind pushing cavity 18 by the second wind pushing cavity tube connector 16 again, to enter in refrigerated display case wind pushing cavity 18 distinguished and admirable sends from air outlet, the return air inlet passed through again enters in refrigerated display case return air chamber 19, the second air draft chamber tube connector 17 through being connected with refrigerated display case return air chamber 19 flow in the second return air duct 14, discharge from second row wind pipeline 15 with regulating system 1 through cold storage again, form circulation.
First outdoor fresh air pipeline 3 and the second outdoor fresh air pipeline 12 are provided with air cleaning unit 20, by arranging air cleaning unit 20 on the first outdoor fresh air pipeline 3 and the second outdoor fresh air pipeline, air cleaning unit 20 can filter the new wind in outdoor, makes the air-flow cleanliness factor that enters in refrigerator high.First air supply duct 4 and two air supply ducts 13 are provided with air supply motor 24, the first return air duct 5 and the second return air duct 14 are provided with return air motor 25.Air supply motor 24 and return air motor 25 play the effect to distinguished and admirable drainage pressurization.
First outdoor fresh air pipeline 3 and the second outdoor fresh air pipeline 12 are provided with the first sensor 21 of the outer new air temperature of detecting chamber, refrigerator display case 2 and refrigerated display case 11 are provided with the second sensor 22 of detection in-cabinet temperature, the first return air duct 5 and the second return air duct 14 are provided with the 3rd sensor 23 of detection return air temperature.The new wind intake of start/stop of compressor and outdoor in 3rd sensor 23 cooperation control refrigerator of the first sensor 21 of the outer new air temperature of described detecting chamber, the second sensor 22 detecting in-cabinet temperature and detection return air temperature, to showcase cooling, reaches energy-saving benefit.
Cold storage comprises cold-storage device 1-1, plenum chamber 1-2, the first airduct 1-3, the second airduct 1-4, the 3rd airduct 1-5, the 4th airduct 1-6, tendencies pipe 1-7 and the 6th airduct 1-8 with regulating system 1, and described cold-storage device is refrigeration cold-storage device 1-1-1 or freezing cold-storage device 1-1-2.By cold-storage device being set to refrigeration cold-storage device or freezing cold-storage device, refrigeration cold-storage device 1-1-1 goes for the cold-storage of refrigerator display case 2, and freezing cold-storage device 1-1-2 goes for the cold-storage of refrigerated display case 11.First airduct 1-3 and the second airduct 1-4 and outdoor fresh air pipeline are connected in parallel, plenum chamber 1-2 is connected with the 3rd airduct with the first air duct blow pipeline 4 respectively, cold-storage device 1-1 is connected with the 4th airduct 1-6 with the second airduct 1-4 respectively, 4th airduct 1-6 is connected with tendencies pipe 1-7 respectively with the 3rd airduct 1-5, tendencies pipe 1-7 two ends are connected with exhaust duct with return air duct respectively, 6th airduct 1-8 is arranged between cold-storage device 1-1 and the first airduct 1-3, at the first airduct 1-3, second airduct 1-4, 3rd airduct 1-5, 4th airduct 1-6, tendencies pipe 1-7 and the 6th airduct 1-8 is provided with valve.
Described cold-storage device comprises heat pipe, phase transformation Ice-storing ball and refrigerating medium, and phase transformation Ice-storing ball can carry out step phase change cold-storage according to different reserve temperatures and get cold.Cold storage can according to showcase payload with regulating system, the cold storage capacity of adjustment cold-storage device, in different regions, Various Seasonal, different time and Different periods cold-storage, reaches energy-saving benefit.Cold-storage apparatus is made up of heat pipe, Ice-storing ball and refrigerating medium, and the phase transition temperature utilizing Ice-storing ball different carries out cold-storage, and known different Ice-storing ball phase transition temperatures, as table 1, can change the Ice-storing ball different with showcase type selecting according to ambient temperature.
The phase transition temperature of the different ice hockey of table 1
Ice hockey type Phase transition temperature (DEG C)
1 0
2 -2
3 -4
4 -6
5 -8
6 -10
7 -12
8 -14
9 -16
10 -18
11 -20
12 -22
It is as follows that the utility model natural cooling source air conditioning display cabinet system runs control strategy pattern:
1) outdoor cold source cooling+cold-storage pattern is utilized completely
When outside air temperature is lower than Storage Requirement temperature and when can eliminate refrigeration duty in cabinet, refrigeration system is out of service, utilize outdoor cold source to maintain in-cabinet temperature completely, cold storage simultaneously starts cold-storage with the cold-storage device of regulating system 1.After low-temperature receiver is purified by the air cleaning unit 20 of new wind porch, cold storage and regulating system 1 is entered by the first outdoor fresh air pipeline 3, cold wind is divided into two-way, lead up to and be positioned at valve on the first airduct 1-3 and plenum chamber 1-2, be positioned at the valve opening on the 3rd airduct 1-5, the new wind of mixing and part return air in plenum chamber 1-2, after reaching ventilation state point, through the first air supply duct 4, after being pressurizeed by breeze fan 24, enter refrigerator display case 2, and blow out with refrigeration duty in the cabinet eliminating refrigerator display case 2 from air outlet and leeward plate.Return air through refrigerator display case return air chamber 10, under the effect of return air fan 25, enters the first return air duct 5 from return air inlet, and from first row wind pipeline 6 discharge chamber; The valve be positioned on the second airduct 1-4 of separately leading up to enters refrigeration cold-storage device 1-1-1 and carries out cold-storage, the high temperature air absorbed after heat pressurizes through the blower fan be positioned on the 4th airduct 1-6, by being positioned at the valve on the 4th airduct 1-6, discharge from tendencies pipe 1-7;
2) outdoor cold source cooling mode
When outdoor environment temperature lower than Storage Requirement temperature and cold-storage has run time.Cold wind, first through air cleaning unit process, enters cold storage and regulating system 1, after the first air supply duct 4 and breeze fan 24 pressurize, enters refrigerator display case 2.Return air from return air inlet through refrigerator display case return air chamber 10, under the effect of return air fan 25, part enters in plenum chamber 1-2 by return air duct, carries out mixing reaching ventilation state point with the new wind in outdoor again, all the other return air, by outside exhaust duct discharge chamber, completes circulation;
3) outdoor cold source+cold-storage device cooling mode
When outdoor temperature is higher than Storage Requirement temperature and lower than return air temperature, outdoor cold source is utilized to be got by cold-storage device cold.After outdoor cold wind is purified by the air cleaning unit 20 of new wind porch, cold storage and regulating system 1 is entered by the first outdoor fresh air pipeline 3, be positioned at the valve closing on the first airduct 1-3, cold wind is by the valve on the second airduct 1-4, enter refrigeration cold-storage device, from refrigeration cold-storage device get cold after cold wind by being positioned at valve the 6th airduct 1-8 and plenum chamber 1-2, be positioned at the valve opening on the 3rd airduct 1-5, the new wind of mixing and part return air in plenum chamber 1-2, after reaching ventilation state point, refrigerator display case 2 is entered through the first air supply duct 4, discharge from refrigerator display case 2 return air out from first row wind pipeline 5, when outdoor temperature is higher than return air temperature, refrigeration system is out of service, return air is utilized to get cold by refrigeration cold-storage device 1-1-1, the valve of closing the air-valve 26 on the first outdoor fresh air pipeline 3 and being positioned on tendencies pipe 1-7, return air enters refrigeration cold-storage device 1-1-1 from the valve the first return air duct 5 and the 4th airduct 1-6, from refrigeration cold-storage device 1-1-1 cold wind out, enter refrigerator display case 2 by the valve on the 6th airduct 1-8 and plenum chamber 1-2, complete circulation,
4) refrigeration system+cold-storage device cooling mode
When the cold that refrigeration cold-storage device provides is not enough to eliminate showcase refrigeration duty, refrigeration system starts.Comprise two kinds of operation reserve
(1) when outdoor temperature is lower than return air temperature, outdoor cold source is utilized to get cold by refrigeration cold-storage device 1-1-1.After outdoor cold wind is purified by the air cleaning unit 20 of new wind porch, cold storage and regulating system 1 is entered by the first outdoor fresh air pipeline 3, be positioned at the valve closing on the first airduct 1-3, cold wind enters refrigeration cold-storage device 1-1-1 by the valve on the airduct 1-4 of position second, from refrigeration cold-storage device 1-1-1 get cold after cold wind by being positioned at valve the 6th airduct 1-8 and plenum chamber 1-2, be positioned at the valve opening on the 3rd airduct 1-5, the new wind of mixing and part return air in plenum chamber 1-2, after reaching ventilation state point, refrigerator display case 2 is entered through the first air supply duct 4, discharge from refrigerator display case 2 return air out from tendencies pipe 1-7, (2) when outdoor temperature is higher than return air temperature, return air is utilized to get cold by refrigeration cold-storage device 1-1-1, air-valve 26 on first fresh air pipeline 3 and the valve on tendencies pipe 1-7 outside close chamber, return air enters refrigeration cold-storage device 1-1-1 from the first return air duct 5 and the valve be positioned at the 4th airduct 1-6, from refrigeration cold-storage device 1-1-1 cold wind out, by being positioned at valve on the 6th airduct 1-8 and plenum chamber 1-2 enters refrigerator display case 2, complete circulation,
5) outdoor cold source+refrigeration system air conditioning pattern
When outdoor environment temperature is still not enough to eliminate refrigeration duty in cabinet lower than return air temperature, when the cold of refrigeration cold-storage device uses, refrigeration system starts.After low-temperature receiver is purified by the air cleaning unit 20 of new wind porch, enter cold storage and regulating system 1, cold wind is divided into two-way, lead up to and be positioned at valve on the first airduct 1-3 and plenum chamber 1-2, through the first air supply duct 4, after being pressurizeed by breeze fan 24, enter refrigerator display case 2, and blow out to eliminate refrigeration duty in cabinet from refrigerator display case 2 air outlet and leeward plate.Return air through refrigerator display case return air chamber 10, under the effect of return air fan 25, enters the first return air duct 5 from return air inlet, and from first row wind pipeline 6 discharge chamber; The control valve be positioned on the second airduct 1-4 of separately leading up to enters refrigeration cold-storage device 1-1-1 cold-storage, absorbs the air draft after heat, by being positioned at the blower fan pressurization on the 4th airduct 1-6, is discharged from tendencies pipe 1-7 by the valve be positioned on the 4th airduct 1-6;
6) refrigeration system cooling mode is utilized completely
When outdoor environment temperature is higher than return air temperature, when the cold of refrigeration cold-storage device exhausts, refrigeration system starts, and is positioned at air-valve on the first outdoor fresh air pipeline 3, first wind pushing cavity tube connector 7 and the first air draft chamber tube connector 8 and closes, completely by refrigeration system to showcase cooling.In refrigerator display case 2, be provided with Open valve, now Open valve closes all the other valves, and return air returns to refrigerator display case return air chamber 10 from return air inlet, and return air, after evaporator cools, from air outlet blowout with cooling food, then returns return air inlet, completes circulation.
Below be only described the control model of the refrigerator display case cooling circulatory system, the control model of the refrigerated display case cooling circulatory system is identical with the control model of the refrigerator display case cooling circulatory system.

Claims (10)

1. a natural cooling source air conditioning display cabinet system, comprise at least one cooling circulatory system, it is characterized in that: described every bar cooling circulatory system includes cold storage and regulating system (1), at least two refrigerators be connected in parallel, outdoor fresh air pipeline, air supply duct, return air duct, exhaust duct, wind pushing cavity tube connector and air draft chamber tube connector, outdoor fresh air pipeline is stored with cold and is connected with the air inlet of regulating system, cold storage is connected with air supply duct with the air outlet of regulating system, the input of wind pushing cavity tube connector is connected with air supply duct, output is connected with refrigerator wind pushing cavity, the input of air draft chamber tube connector is connected with refrigerator return air chamber, output is connected with return air duct, output and the cold of return air duct are stored and are connected with the return air inlet of regulating system (1), exhaust duct and cold are stored and are connected with the exhaust outlet of regulating system (1).
2. natural cooling source air conditioning display cabinet system according to claim 1, is characterized in that: the described cooling circulatory system is two, and two cooling circulatory systems are respectively the refrigerator display case cooling circulatory system and the refrigerated display case cooling circulatory system.
3. natural cooling source air conditioning display cabinet system according to claim 2, it is characterized in that: the described refrigerator display case cooling circulatory system comprises cold storage and regulating system (1), at least two refrigerator display cases be connected in parallel (2), first outdoor fresh air pipeline (3), first air supply duct (4), first return air duct (5), first row wind pipeline (6), first wind pushing cavity tube connector (7) and the first air draft chamber tube connector (8), first outdoor fresh air pipeline (3) is stored with cold and is connected with the air inlet of regulating system (1), cold storage is connected with the first air supply duct (4) with the air outlet of regulating system (1), the input of the first wind pushing cavity tube connector (7) is connected with the first air supply duct (4), output is connected with refrigerator display case wind pushing cavity (9), the input in the first air draft chamber tube connector (8) is connected with refrigerator display case return air chamber (10), output is connected with the first return air duct (5), output and the cold of the first return air duct (5) are stored and are connected with the return air inlet of regulating system (1), first row wind pipeline (6) and cold are stored and are connected with the exhaust outlet of regulating system (1).
4. natural cooling source air conditioning display cabinet system according to claim 3, it is characterized in that: the described refrigerated display case cooling circulatory system comprises cold storage and regulating system (1), at least two refrigerated display cases be connected in parallel (11), second outdoor fresh air pipeline (12), second air supply duct (13), second return air duct (14), second row wind pipeline (15), second wind pushing cavity tube connector (16) and the second air draft chamber tube connector (17), second outdoor fresh air pipeline (12) is stored with cold and is connected with the air inlet of regulating system (1), cold storage is connected with the second air supply duct (13) with the air outlet of regulating system (1), the input of the second wind pushing cavity tube connector (16) is connected with the second air supply duct (13), output is connected with refrigerated display case wind pushing cavity (18), the input in the second air draft chamber tube connector (17) is connected with refrigerated display case return air chamber (19), output is connected with the second return air duct (14), output and the cold of the second return air duct (14) are stored and are connected with the return air inlet of regulating system (1), second row wind pipeline (15) and cold are stored and are connected with the exhaust outlet of regulating system (1).
5. natural cooling source air conditioning display cabinet system according to claim 1, it is characterized in that: described cold storage comprises cold-storage device (1-1) with regulating system (1), plenum chamber (1-2), first airduct (1-3), second airduct (1-4), 3rd airduct (1-5), 4th airduct (1-6), tendencies pipe (1-7) and the 6th airduct (1-8), first airduct (1-3) and the second airduct (1-4) are connected in parallel with outdoor fresh air pipeline, plenum chamber (1-2) respectively with the first airduct (1-3), air supply duct is connected with the 3rd airduct (1-5), cold-storage device (1-1) is connected with the 4th airduct (1-6) with the second airduct (1-4) respectively, 4th airduct (1-6) is connected with tendencies pipe (1-7) respectively with the 3rd airduct (1-5), tendencies pipe (1-7) two ends are connected with exhaust duct with return air duct respectively, 6th airduct (1-8) is arranged between cold-storage device and the first airduct (1-3), at the first airduct (1-3), second airduct (1-4), 3rd airduct (1-5), 4th airduct (1-6), tendencies pipe (1-7) and the 6th airduct (1-8) are provided with valve (1-9).
6. natural cooling source air conditioning display cabinet system according to claim 5, is characterized in that: described cold-storage device (1-1) is refrigeration cold-storage device (1-1-1) or freezing cold-storage device (1-1-2).
7. natural cooling source air conditioning display cabinet system according to claim 4, is characterized in that: on the first outdoor fresh air pipeline (3) and the second outdoor fresh air pipeline (12), be provided with air cleaning unit (20).
8. natural cooling source air conditioning display cabinet system according to claim 4, it is characterized in that: the first sensor (21) being provided with the outer new air temperature of detecting chamber on the first outdoor fresh air pipeline (3) and the second outdoor fresh air pipeline (12), refrigerator display case (2) and refrigerated display case (11) are provided with second sensor (22) of detection in-cabinet temperature, the first return air duct (5) and the second return air duct (14) are provided with the 3rd sensor (23) of detection return air temperature.
9. natural cooling source air conditioning display cabinet system according to claim 4, it is characterized in that: on the first air supply duct (4) and two air supply ducts (13), be provided with air supply motor (24), the first return air duct (5) and the second return air duct (14) are provided with return air motor (25).
10. natural cooling source air conditioning display cabinet system according to claim 1, is characterized in that: on outdoor fresh air pipeline, air supply duct, wind pushing cavity tube connector, return air chamber tube connector return air duct and exhaust duct, be provided with air-valve (26).
CN201520080093.3U 2015-02-05 2015-02-05 Natural cooling source air conditioning display cabinet system Withdrawn - After Issue CN204594034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104613706A (en) * 2015-02-05 2015-05-13 郑州轻工业学院 Natural cold source combined cooling display cabinet system
CN113633111A (en) * 2020-04-27 2021-11-12 上海修态科技有限公司 Laboratory is with safe storage cabinet
CN113650972A (en) * 2021-08-31 2021-11-16 郑州轻工业大学 Passive self-help refrigerated container and control method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104613706A (en) * 2015-02-05 2015-05-13 郑州轻工业学院 Natural cold source combined cooling display cabinet system
CN113633111A (en) * 2020-04-27 2021-11-12 上海修态科技有限公司 Laboratory is with safe storage cabinet
CN113650972A (en) * 2021-08-31 2021-11-16 郑州轻工业大学 Passive self-help refrigerated container and control method thereof
CN113650972B (en) * 2021-08-31 2022-08-12 郑州轻工业大学 Passive self-help refrigerated container and control method thereof

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