CN104646078A - Temperature uniformity realizing structure of climate artificial simulation room for ice covering and method thereof - Google Patents
Temperature uniformity realizing structure of climate artificial simulation room for ice covering and method thereof Download PDFInfo
- Publication number
- CN104646078A CN104646078A CN201510009316.1A CN201510009316A CN104646078A CN 104646078 A CN104646078 A CN 104646078A CN 201510009316 A CN201510009316 A CN 201510009316A CN 104646078 A CN104646078 A CN 104646078A
- Authority
- CN
- China
- Prior art keywords
- air
- simulation room
- manual simulation
- static pressure
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Ventilation (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a temperature uniformity realizing structure of a climate artificial simulation room for ice covering and a method thereof. An outer frame of the artificial simulation room comprises four side walls, a top board and a bottom board; first polyurethane plates are installed on the six inner walls of the artificial simulation room, four corners of the artificial simulation room are respectively connected with a second polyurethane plate to form four air passages; inward air outlets are reserved between top ends of the second polyurethane plates and top of the artificial simulation room while return air inlets are reserved between bottom ends of the second polyurethane plates and bottom of the artificial simulation room; air supply orifice plates are installed along horizontal directions at top ends of the four second polyurethane plates and static pressure layers are formed between the air supply orifice plates and the first polyurethane plate of the top of the artificial simulation room; indoor heat exchanger coils and draught fans are both installed inside the air passages; the draught fans are arranged above the indoor heat exchanger coils; and a central part of the artificial simulation room is a test area. The system and the method based on the system are high in refrigeration efficiencies and small in temperature differences.
Description
Technical field
The invention belongs to electrical engineering technical field, relate to a kind of icing weather manual simulation room temperature uniformity and realize structure and method.
Background technology
Power transmission and transforming equipment surface icing is one of natural calamity of serious harm electrical network and equipment safety operation.In recent years, for the impact of research power transmission and transforming equipment surface icing, build and met extra-high voltage insulator in interior large-scale weather Artificial simulative experiments room, the space of this laboratory inside is very large, head room meets or exceeds 25 meters, headroom diameter meets or exceeds 20 meters, the natural environment temperature of usual power transmission and transforming equipment icing is-1 ~-5 DEG C, when carrying out ice-coating test, for natural temperature environment that is virtually reality like reality, the temperature homogeneity of weather Artificial simulative experiments indoor is its important indicators, also be the most important factor controlling power transmission and transforming equipment surface icing form, and it is poor for the temperature homogeneity of the manual simulation room of ice-coating test at present, the insulator two ends maximum temperature difference of 10 meters long is often beyond 2K, cause the icing form on extra-high voltage equipment diverse location inconsistent, have a strong impact on the research of equipment icing characteristic at-1 ~-5 DEG C, even at-1 ~-2 DEG C, equipment surface cannot be frozen.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect of poor temperature uniformity in current large-sized artificial simulating chamber, provide a kind of icing weather manual simulation room temperature uniformity to realize structure and method, use this structure and method, refrigerating efficiency is high, has a narrow range of temperature.
Technical scheme of the present invention is:
A kind of icing weather manual simulation room temperature uniformity realizes structure, the outside framework of manual simulation room is made up of four side walls, a top board and a base plate, six inwalls of manual simulation room are provided with insulation the first polyurethane sheet 3, the corner of manual simulation room is each surrounds four air channels 4 with one piece of second polyurethane sheet 10;
Leave inside air outlet between the top of the second polyurethane sheet 10 and the top of manual simulation room, between the bottom of the second polyurethane sheet 10 and the bottom of manual simulation room, leave return air inlet 8;
The upper horizontal direction of four piece of second polyurethane sheet 10 is provided with air-supply orifice plate 5, forms static pressure floor 6 between first polyurethane sheet 3 at the top of air-supply orifice plate 5 and manual simulation room;
Indoor heat exchanger coil pipe 1 and blower fan 2 are installed in air channel 4; Blower fan 2 is positioned at the top of indoor heat exchanger coil pipe 1;
The middle body of manual simulation room is trial zone 7.
Further, the first polyurethane sheet 3 of the bottom of manual simulation room is waterproof ground 7.
Further, described indoor heat exchanger coil pipe 1 is provided with 8, each installation 2 in four air channels 4.
Further, described air-supply orifice plate is covered with the galvanized aluminium board of uniform pores above adopting.
A kind of icing weather manual simulation room temperature uniformity implementation method, adopts above-mentioned system, air circulation and heat exchanging process as follows:
Chilled water in heat exchanger coil pipe 1 and surrounding air are carried out heat exchange and are taken away heat in air, thus by Air flow, cold air is sent into the air outlet on top, air channel 4 by blower fan 2;
Cold air enters in static pressure layer 6 along the air outlet on top, air channel 4, and static pressure layer 6 makes the dynamic pressure of cold air become static pressure, and cold air mixes and reaches each point temperature and pressure uniformity in static pressure layer 6;
Cold air in static pressure layer 6 is greater than the effect of the air-supply blast of hot-air and blower fan 2 due to the density of Action of Gravity Field cold air, enters trial zone 7 from the hole of air-supply orifice plate 5;
Air in trial zone 7 drops to the return air inlet 8 of the bottom, air channel 4 of bottom, and after indoor heat exchanger coil pipe 1, is again sent into the top in air channel 4 by blower fan 2, completes the circulation of air-flow, realizes the homogeneous temperature of manual simulation room.
Further, to decline the speed entered in trial zone 7 by controlling the wind speed cold air controlled in static pressure layer 6 of blower fan 2.
Operation principle of the present invention is: when whole system works, and indoor heat exchanger coil pipe 1 inner loop flowing chilled water, for indoor refrigeration provides low-temperature receiver; Blower fan 2 have employed air draught type blower fan, the cold air completing heat exchange in indoor heat exchanger coil pipe 1 is around sucked the top, air channel 4 surrounded by polyurethane sheet 3, and makes cold air rise in the static pressure floor 6 be configured to by first polyurethane sheet 3 at the top, room of artificial climate and air-supply orifice plate 5; Static pressure layer 6 makes the dynamic pressure of cold air become static pressure, and static pressure layer 6 bottom air-supply orifice plate the temperature of air, pressure distribution are even everywhere; Air-supply orifice plate 5 is covered with small hole equably, cold air is due to effects such as gravity, and drop in trial zone 8 from the hole of air-supply orifice plate 5 lentamente, cold air decrease speed is when 0.5 ~ 1m/S, homogeneous temperature distribution in whole trial zone 7, maximum temperature difference is less than 1K; Cold air drops to the return air inlet 8 bottom trial zone 7, and after indoor refrigeration machine coil pipe 1, is again sucked in top, air channel 4 by blower fan 2, complete the circulation of air-flow.
The invention has the beneficial effects as follows:
1) indoor provide the heat exchanger of low-temperature receiver to be directly installed in climatic chamber, and the refrigerating capacity utilization rate of indoor heat exchanger group reaches maximization, and refrigerating efficiency is high.
2) cold air is slowly declined by the static pressure layer at top, trial zone, and in trial zone, form uniform temperature field, maximum temperature difference is no more than 1K, the temperature difference only 0.5K that suspension insulator is interval upper and lower 15 meters high, and little to the flow perturbation in trial zone; The equipment different parts icing form that can realize comprising extra-high voltage is consistent, the research of equipment icing characteristic at meeting-1 ~-5 DEG C.
3) heat exchanger, blower fan etc. are installed in four corners of weather Artificial simulative experiments room, do not affect indoor electric usage space.
4) this invention can utilize that existing building construction structure is compact, refrigerating efficiency is high, the weather Artificial simulative experiments room of internal insulation structure, forms the icing requirement of glaze, mixing rime, various form such as snow rime, rime etc. when achieving-1 DEG C at power transmission and transforming equipment on the surface.
Accompanying drawing explanation
Fig. 1 is for using present system vertical section schematic diagram;
Fig. 2 is its plane figure schematic diagram;
Be denoted as in figure: 1-indoor heat exchanger coil pipe, 2-blower fan, the 3-the first polyurethane sheet, 4-air channel, 5-air-supply orifice plate, 6-static pressure layer, 7-trial zone, 8-return air inlet, 9-waterproof ground, the 10-the second polyurethane sheet.
Detailed description of the invention
Once with detailed description of the invention, the present invention is described in more detail by reference to the accompanying drawings.
As shown in Figure 1, plane figure schematic diagram as shown in Figure 2 for present system vertical section schematic diagram.In figure, 1 is indoor heat exchanger coil pipe, and 2 is blower fan, and 3 is the first polyurethane sheet, and 4 is air channel, and 5 is air-supply orifice plate, and 6 is static pressure layer, and 7 is trial zone, and 8 is return air inlet, and 9 is waterproof ground, and 10 is the second polyurethane sheet.Set up static pressure layer in manual simulation's indoor top, the refrigeration host computer, cooling column etc. of refrigeration system are arranged on outside laboratory, and heat exchanger is arranged on indoor raising exchange efficiency.
A kind of icing weather manual simulation room temperature uniformity realizes structure, the outside framework of manual simulation room is made up of four side walls, a top board and a base plate, six inwalls of manual simulation room are provided with insulation the first polyurethane sheet 3, the corner of manual simulation room is each surrounds four air channels 4 with one piece of second polyurethane sheet 10;
Leave inside air outlet between the top of the second polyurethane sheet 10 and the top of manual simulation room, between the bottom of the second polyurethane sheet 10 and the bottom of manual simulation room, leave return air inlet 8;
The upper horizontal direction of four piece of second polyurethane sheet 10 is provided with air-supply orifice plate 5, forms static pressure floor 6 between first polyurethane sheet 3 at the top of air-supply orifice plate 5 and manual simulation room;
Indoor heat exchanger coil pipe 1 and blower fan 2 are installed in air channel 4; Blower fan 2 is positioned at the top of indoor heat exchanger coil pipe 1;
The middle body of manual simulation room is trial zone 7.
Further, the first polyurethane sheet 3 of the bottom of manual simulation room is waterproof ground 7.
Further, described indoor heat exchanger coil pipe 1 is provided with 8, each installation 2 in four air channels 4.
Further, described air-supply orifice plate is covered with the galvanized aluminium board of uniform pores above adopting.
A kind of icing weather manual simulation room temperature uniformity implementation method, adopts above-mentioned system, air circulation and heat exchanging process as follows:
Chilled water in heat exchanger coil pipe 1 and surrounding air are carried out heat exchange and are taken away heat in air, thus by Air flow, cold air is sent into the air outlet on top, air channel 4 by blower fan 2;
Cold air enters in static pressure layer 6 along the air outlet on top, air channel 4, and static pressure layer 6 makes the dynamic pressure of cold air become static pressure, and cold air mixes and reaches each point temperature and pressure uniformity in static pressure layer 6;
Cold air in static pressure layer 6 is greater than the effect of the air-supply blast of hot-air and blower fan 2 due to the density of Action of Gravity Field cold air, enters trial zone 7 from the hole of air-supply orifice plate 5;
Air in trial zone 7 drops to the return air inlet 8 of the bottom, air channel 4 of bottom, and after indoor heat exchanger coil pipe 1, is again sent into the top in air channel 4 by blower fan 2, completes the circulation of air-flow, realizes the homogeneous temperature of manual simulation room.
Further, to decline the speed entered in trial zone 7 by controlling the wind speed cold air controlled in static pressure layer 6 of blower fan 2.Embodiment 2:
At building inwall, insulation polyurethane sheet is installed, and become air channel 4 at quadrangle, heat exchanger coil 1 and blower fan 2 are arranged in air channel 4, cold is passed to surrounding air by the chilled water of heat exchanger coil 2, and the heat taken away in air, reduce air themperature, blower fan 2 is by the top, feeding air channel 4 of coil pipe 2 ambient cold air;
Cold air enters in static pressure layer 6 along top, air channel 4, makes the dynamic pressure of cold air become static pressure, cold air mix in static pressure layer 6 reach temperature, pressure uniform distribution;
Cold air in static pressure layer 6 declines naturally due to the effect of gravity, blast, and enters in trial zone 7 equably from the hole of air-supply orifice plate 6;
Cold air in trial zone 7 drops to the return air inlet 8 of bottom naturally, and after indoor heat exchanger coil pipe 1 cools, again sent in air channel 4 by blower fan 2, complete the circulation of air-flow, can the accurate uniformity of trial zone temperature in control room by the air supply velocity of VFC blower fan 2.
In above-mentioned implementation method, indoor heat exchanger coil pipe 1 have employed Nanjing Han Wei refrigerating equipment corporation, Ltd product, and its model is HLD-200/1500, and separate unit refrigerating capacity is 200kW, totally 8, and 2 is one group, and can work also can be for subsequent use each other simultaneously; Blower fan 2 is also provided by Nanjing Han Wei refrigerating equipment corporation, Ltd, and model is the duct type pressurized axial flow blower fan of SDF-I-900, and its peak power is 1kW, and maximum quantity of wind is 40000
3/ h; Polyurethane sheet 3 is that Changzhou crescent steel construction Co., Ltd produces, and thickness is 200mm; The thickness that air channel 4 adopts Changzhou crescent steel construction Co., Ltd to produce is that the polyurethane sheet of 50mm is spliced; Air-supply orifice plate 5 adopts commercially available common galvanized aluminium board with holes.
Claims (6)
1. an icing weather manual simulation room temperature uniformity realizes structure, it is characterized in that, the outside framework of manual simulation room is made up of four side walls, a top board and a base plate, six inwalls of manual simulation room are provided with the first polyurethane sheet (3), and the corner of manual simulation room is each surrounds four air channels (4) with one piece of second polyurethane sheet (10);
Leave inside air outlet between the top of the second polyurethane sheet (10) and the top of manual simulation room, between the bottom of the second polyurethane sheet (10) and the bottom of manual simulation room, leave return air inlet (8);
The upper horizontal direction of four piece of second polyurethane sheet (10) is provided with air-supply orifice plate (5), forms static pressure floor (6) between first polyurethane sheet (3) at the top of air-supply orifice plate (5) and manual simulation room;
Indoor heat exchanger coil pipe (1) and blower fan (2) are installed in air channel (4); Blower fan (2) is positioned at the top of indoor heat exchanger coil pipe (1);
The middle body of manual simulation room is trial zone (7).
2. icing weather manual simulation room temperature uniformity according to claim 1 realizes structure, it is characterized in that, first polyurethane sheet (3) of the bottom of manual simulation room is upper is waterproof ground (7).
3. icing weather manual simulation room temperature uniformity according to claim 1 realizes structure, and it is characterized in that, described indoor heat exchanger coil pipe (1) is provided with 8, each installation 2 in four air channels (4).
4. the icing weather manual simulation room temperature uniformity according to any one of claims 1 to 3 realizes structure, it is characterized in that, described air-supply orifice plate is covered with the galvanized aluminium board of uniform pores above adopting.
5. an icing weather manual simulation room temperature uniformity implementation method, is characterized in that, adopt system according to claim 1, air circulation and heat exchanging process as follows:
Chilled water in heat exchanger coil pipe (1) and surrounding air are carried out heat exchange and are taken away heat in air, thus by Air flow, cold air is sent into the air outlet on air channel (4) top by blower fan (2);
Cold air enters in static pressure layer (6) along the air outlet on air channel (4) top, static pressure layer (6) makes the dynamic pressure of cold air become static pressure, and cold air mixing in static pressure layer (6) reaches each point temperature and pressure uniformity;
Cold air in static pressure layer (6), due to the effect of the air-supply blast of Action of Gravity Field (density of cold air is greater than hot-air) and blower fan (2), enters trial zone (7) from the hole of air-supply orifice plate (5);
Air in trial zone (7) drops to the return air inlet (8) of air channel (4) bottom of bottom, and after indoor heat exchanger coil pipe (1), the top in air channel (4) is again sent into by blower fan (2), complete the circulation of air-flow, realize the homogeneous temperature of manual simulation room.
6. icing weather manual simulation room temperature uniformity implementation method according to claim 5, it is characterized in that, to be declined the speed entered in trial zone (7) by the wind speed cold air controlled in static pressure layer (6) controlling blower fan (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009316.1A CN104646078B (en) | 2015-01-08 | 2015-01-08 | Weather manual simulation's room temperature uniformity implementation structure and method for icing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009316.1A CN104646078B (en) | 2015-01-08 | 2015-01-08 | Weather manual simulation's room temperature uniformity implementation structure and method for icing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104646078A true CN104646078A (en) | 2015-05-27 |
| CN104646078B CN104646078B (en) | 2016-05-04 |
Family
ID=53238010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510009316.1A Active CN104646078B (en) | 2015-01-08 | 2015-01-08 | Weather manual simulation's room temperature uniformity implementation structure and method for icing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104646078B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748260A (en) * | 2015-03-19 | 2015-07-01 | 国家电网公司 | Refrigerating system of extra-high-voltage artificial icing climate test room |
| CN105920966A (en) * | 2016-07-06 | 2016-09-07 | 苏州艾尔新净化科技有限公司 | Air purifying system with loop-current cyclone dust removal |
| CN105999959A (en) * | 2016-07-06 | 2016-10-12 | 苏州艾尔新净化科技有限公司 | Air purification system capable of removing dust efficiently |
| CN106110807A (en) * | 2016-07-06 | 2016-11-16 | 苏州艾尔新净化科技有限公司 | The air cleaning system of sustainable work |
| CN106178706A (en) * | 2016-07-06 | 2016-12-07 | 苏州艾尔新净化科技有限公司 | The air cleaning system of air-flow equilibrium |
| CN108405000A (en) * | 2018-03-02 | 2018-08-17 | 重庆欧百特冷链科技股份有限公司 | A kind of high-and-low temperature humid heat test box the library production technology |
| CN110521457A (en) * | 2019-09-29 | 2019-12-03 | 福建省农业机械化研究所(福建省机械科学研究院） | Plant culturing room recycles air compartment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0775739A (en) * | 1993-09-08 | 1995-03-20 | Fujitsu Ltd | Cooling device |
| CN2723019Y (en) * | 2004-09-06 | 2005-09-07 | 杭州凯德空分设备有限公司 | Large volume high and low temperature environment test device |
| CN103394378A (en) * | 2013-07-09 | 2013-11-20 | 广州国技试验仪器有限公司 | Test box with independent heating channel and refrigeration channel |
| CN203750551U (en) * | 2014-03-14 | 2014-08-06 | 广州国技试验仪器有限公司 | High-low temperature damp and hot test box with light guide tubes |
| CN203750550U (en) * | 2014-03-14 | 2014-08-06 | 广州国技试验仪器有限公司 | High-low-temperature thermal-humidity test box with light absorption device |
-
2015
- 2015-01-08 CN CN201510009316.1A patent/CN104646078B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0775739A (en) * | 1993-09-08 | 1995-03-20 | Fujitsu Ltd | Cooling device |
| CN2723019Y (en) * | 2004-09-06 | 2005-09-07 | 杭州凯德空分设备有限公司 | Large volume high and low temperature environment test device |
| CN103394378A (en) * | 2013-07-09 | 2013-11-20 | 广州国技试验仪器有限公司 | Test box with independent heating channel and refrigeration channel |
| CN203750551U (en) * | 2014-03-14 | 2014-08-06 | 广州国技试验仪器有限公司 | High-low temperature damp and hot test box with light guide tubes |
| CN203750550U (en) * | 2014-03-14 | 2014-08-06 | 广州国技试验仪器有限公司 | High-low-temperature thermal-humidity test box with light absorption device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748260A (en) * | 2015-03-19 | 2015-07-01 | 国家电网公司 | Refrigerating system of extra-high-voltage artificial icing climate test room |
| CN105920966A (en) * | 2016-07-06 | 2016-09-07 | 苏州艾尔新净化科技有限公司 | Air purifying system with loop-current cyclone dust removal |
| CN105999959A (en) * | 2016-07-06 | 2016-10-12 | 苏州艾尔新净化科技有限公司 | Air purification system capable of removing dust efficiently |
| CN106110807A (en) * | 2016-07-06 | 2016-11-16 | 苏州艾尔新净化科技有限公司 | The air cleaning system of sustainable work |
| CN106178706A (en) * | 2016-07-06 | 2016-12-07 | 苏州艾尔新净化科技有限公司 | The air cleaning system of air-flow equilibrium |
| CN106110807B (en) * | 2016-07-06 | 2018-07-27 | 苏州艾尔新净化科技有限公司 | The air cleaning system of sustainable work |
| CN106178706B (en) * | 2016-07-06 | 2018-11-13 | 苏州艾尔新净化科技有限公司 | The air cleaning system of air-flow equilibrium |
| CN108405000A (en) * | 2018-03-02 | 2018-08-17 | 重庆欧百特冷链科技股份有限公司 | A kind of high-and-low temperature humid heat test box the library production technology |
| CN110521457A (en) * | 2019-09-29 | 2019-12-03 | 福建省农业机械化研究所(福建省机械科学研究院） | Plant culturing room recycles air compartment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104646078B (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104646078B (en) | Weather manual simulation's room temperature uniformity implementation structure and method for icing | |
| CN101681187A (en) | Cold row encapsulation for server farm cooling system | |
| CN206191831U (en) | Central air conditioning synthesizes test laboratory | |
| CN105571026A (en) | Cold wall cooling device for data center | |
| CN202195544U (en) | Single-span air conditioning system | |
| CN201193859Y (en) | Heat exchange system for machine room | |
| CN104748335A (en) | Computer room air conditioner fan mounting mechanism | |
| CN204612017U (en) | A kind of extra-high voltage artificial icing climate cell refrigeration system | |
| CN203572666U (en) | Test system for cold-chain refrigeration equipment | |
| CN204301236U (en) | Intelligent substation prefabricated cabin under-floor air distribution air-conditioning system | |
| CN203177369U (en) | Novel window type cold-and-warm adjuster | |
| CN104748260A (en) | Refrigerating system of extra-high-voltage artificial icing climate test room | |
| CN101782255B (en) | Temperature-adjustable air cooler | |
| CN111537251B (en) | Uneven radiant heat environment test bed and use method thereof | |
| CN103868148A (en) | Data center room air distribution regulating system | |
| CN209116427U (en) | High-lager building inner space heating system | |
| CN205354430U (en) | Real standard equipment of central air conditioning | |
| CN206740411U (en) | The Performance Test System of refrigerator and refrigerator | |
| CN205299801U (en) | Data center is with cold wall cooling device | |
| CN202697137U (en) | Assembled equipment cabinet | |
| CN204680950U (en) | A kind of prefabricated cabin radiator structure | |
| CN207907358U (en) | A kind of cabinet type radiator and thermal environmental control system | |
| CN203880843U (en) | Cabinet air conditioner indoor unit | |
| CN205090674U (en) | Special water -cooling of subway air conditioner device of directly expanding | |
| CN204100457U (en) | The Non-wind air conditioner system of wind source heat pump water circulation floor top plates heating refrigeration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |