CN104154694B - A kind of snowing device and climatic chamber - Google Patents
A kind of snowing device and climatic chamber Download PDFInfo
- Publication number
- CN104154694B CN104154694B CN201410410283.7A CN201410410283A CN104154694B CN 104154694 B CN104154694 B CN 104154694B CN 201410410283 A CN201410410283 A CN 201410410283A CN 104154694 B CN104154694 B CN 104154694B
- Authority
- CN
- China
- Prior art keywords
- water
- water tank
- temperature
- climatic chamber
- cooled cooling
- 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.)
- Active
Links
Landscapes
- Air Conditioning Control Device (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of snowing device and climatic chamber, by the heating unit being arranged in water tank, the water in water tank is heated, and export to water-cooled cooling-water machine, by water-cooled cooling-water machine, the water in water tank is lowered the temperature, the water in water tank is made to reach predetermined artificial snow-making temperature, and spray through shower nozzle, form snowfall.This programme realizes the control to water the temperature inside the box by the heating unit in water tank, cold water circulation pump and water-cooled cooling-water machine, and realizes snowfall, it is achieved that the simulation of snowfall environment, in order to air conditioner detection of duty in snowfall environment.
Description
Technical field
The present invention relates to cooling snowfall field, particularly relate to a kind of snowing device and climatic chamber.
Background technology
In order to verify air-conditioner reliability of operation, it is necessary to make air-conditioner carry out the operation heating, freezing under multiple climatic environment.
But, environment for air-conditioner checking reliability of operation is typically only capable to as lower temperature or higher temperature, at present, the simulation of snowfall environment can't be realized, this allows for air-conditioner and can not the operation conditions in snowfall environment be verified, it is impossible to whether checking air-conditioner can run normally in snowfall environment.
Summary of the invention
In view of this, the present invention provides a kind of snowing device and climatic chamber, and to solve cannot realize in prior art the problem of the simulation of snowfall environment, its concrete scheme is as follows:
A kind of snowing device, including: water tank, it is arranged at the heating water tanks unit in described water tank, the outlet of described water tank passes sequentially through water circulating pipe and is connected cold water circulation pump, water-cooled cooling-water machine with water inlet, the shower nozzle being connected with described water tank,
Described cold water circulation pump is opened, water in described water tank is heated by described heating unit, make the water in described water tank keep predetermined temperature, and the water through described heating unit heats is exported to described water-cooled cooling-water machine through described cold water circulation pump by the outlet of water tank；
The water that described water tank is exported by described water-cooled cooling-water machine is lowered the temperature, and makes water reach predetermined artificial snow-making temperature, and by the water input after cooling to described water tank；
Water in described water tank reaches after predetermined artificial snow-making temperature through water-cooled cooling-water machine, sprays through shower nozzle, forms snowfall.
Further, also include: heating tape, the temperature detect switch (TDS) being connected with described heating tape,
Described heating tape is wound on the pipeline that described shower nozzle is connected with water tank, for the water in described pipeline is heated, it is prevented that the water freezing in described pipeline；
When described temperature detect switch (TDS) reaches predetermined open temp for the water detected in described pipeline, open described heating tape.
Further, also include: heat-preservation cotton,
Described heat-preservation cotton is used for wrapping up described heating tape.
Further, described heat-preservation cotton is black heat-insulating cotton.
Further, described predetermined artificial snow-making temperature is 6 DEG C.
A kind of climatic chamber, including: snowing device, video monitoring system,
Described snowing device includes: water tank, is arranged at the heating water tanks unit in described water tank, and the outlet of described water tank passes sequentially through water circulating pipe and is connected cold water circulation pump, water-cooled cooling-water machine with water inlet, the shower nozzle being connected with described water tank,
Described cold water circulation pump is opened, water in described water tank is heated by described heating unit, make the water in described water tank keep predetermined temperature, and the water through described heating unit heats is exported to described water-cooled cooling-water machine through described cold water circulation pump by the outlet of water tank；
The water that described water tank is exported by described water-cooled cooling-water machine is lowered the temperature, and makes water reach predetermined artificial snow-making temperature, and by the water input after cooling to described water tank；
Water in described water tank reaches after predetermined artificial snow-making temperature through water-cooled cooling-water machine, sprays through shower nozzle, forms snowfall；
Described video monitoring system is for monitoring tested air conditioner operation conditions in the snowfall environment of described snowing device.
Further, also include: man wind apparatus,
Described man wind apparatus includes: axial flow blower, the converter being connected with described axial flow blower, the air velocity transducer being respectively connected with described converter and video monitoring system,
Described axial flow blower is used for man wind；
Described converter is for regulating the wind speed of described axial flow blower；
Described air velocity transducer is for detecting the wind speed of described axial flow blower, and by receiving the signal of described video monitoring system, controls converter and regulate wind speed.
Further, also include: explosion protection system,
Described explosion protection system includes: concentration sensor, the Explosionproof socket being connected with described concentration sensor, the exhaust system being respectively connected with described Explosionproof socket and enter VMC (Ventilation Mechanical Control System),
Described concentration sensor is used for detecting gas concentration in climatic chamber, when detecting that described gas concentration reaches preset alarm concentration, sends stop signal extremely described Explosionproof socket；
Described Explosionproof socket stops the power supply except described exhaust system and the equipment entering VMC (Ventilation Mechanical Control System), and opens described exhaust system and enter VMC (Ventilation Mechanical Control System), makes described exhaust system and enters VMC (Ventilation Mechanical Control System) work.
Further, also include: the measuring unit being connected with described video monitoring system,
Described measuring unit is for detecting the parameters such as the voltage of described tested air conditioner, electric current, and sends described parameter to video monitoring system.
Further, described snowing device also includes: heating tape, the temperature detect switch (TDS) being connected with described heating tape,
Described heating tape is wound on the pipeline that described shower nozzle is connected with water tank, for the water in described pipeline is heated, it is prevented that the water freezing in described pipeline；
When described temperature detect switch (TDS) reaches predetermined open temp for the water detected in described pipeline, open described heating tape.
Can be seen that from technique scheme, snowing device disclosed in the present application and climatic chamber, by the heating unit being arranged in water tank, the water in water tank is heated, and export to water-cooled cooling-water machine, by water-cooled cooling-water machine, the water in water tank is lowered the temperature, make the water in water tank reach predetermined artificial snow-making temperature, and spray through shower nozzle, form snowfall.This programme realizes the control to water the temperature inside the box by the heating unit in water tank, cold water circulation pump and water-cooled cooling-water machine, and realizes snowfall, it is achieved that the simulation of snowfall environment, in order to air conditioner detection of duty in snowfall environment.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of snowing device disclosed in the embodiment of the present invention；
Fig. 2 is the structural representation of a kind of snowing device disclosed in the embodiment of the present invention；
Fig. 3 is the structural representation of a kind of climatic chamber disclosed in the embodiment of the present invention；
Fig. 4 is the structural representation of a kind of climatic chamber disclosed in the embodiment of the present invention；
Fig. 5 is the structural representation of a kind of man wind apparatus disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of a kind of climatic chamber disclosed in the embodiment of the present invention；
Fig. 7 is the structural representation of a kind of explosion protection system disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The invention discloses a kind of snowing device, its structural representation is as it is shown in figure 1, include:
Water tank 11, is arranged at the heating unit 12 in water tank 11, and the outlet of water tank 11 passes sequentially through water circulating pipe and is connected cold water circulation pump 13, water-cooled cooling-water machine 14 with water inlet, the shower nozzle 15 being connected with water tank 11.
After cold water circulation pump 13 is opened, the water in water tank 11 is heated by heating unit 12, makes the water in water tank 11 keep predetermined temperature, and makes the water through heating unit 12 be exported to water-cooled cooling-water machine 14 through cold water circulation pump 13 by the outlet of water tank 11.
The water that water tank 11 is exported by water-cooled cooling-water machine 14 is lowered the temperature, and makes water reach predetermined artificial snow-making temperature, and is inputted to water tank 11 by the water reaching predetermined artificial snow-making temperature through cooling, until the water in water tank 11 entirely reaches predetermined artificial snow-making temperature.
Water-cooled cooling-water machine 14 is 5 cold.
Water in water tank 11 reaches, after predetermined artificial snow-making temperature, to spray through shower nozzle 15 through water-cooled cooling-water machine 14, forms snowfall.
Being provided with water tank temperature instrument on water tank 11, for the temperature in monitoring water tank, when water tank temperature instrument shows that the water in water tank reaches predetermined artificial snow-making temperature, water is sprayed by shower nozzle 15, forms snowfall.
Wherein, predetermined artificial snow-making temperature range is 5～7 DEG C, and when temperature is at 5～7 DEG C, the effect of artificial snow-making is best, therefore, it can set predetermined artificial snow-making temperature as 6 DEG C.
The peak power of heating unit 12 is 24 kilowatts, water tank temperature instrument control the power of heating unit 12.
Snowing device disclosed in the present embodiment, is heated the water in water tank by the heating unit being arranged in water tank, and exports to water-cooled cooling-water machine, by water-cooled cooling-water machine, the water in water tank is lowered the temperature, make the water in water tank reach predetermined artificial snow-making temperature, and spray through shower nozzle, form snowfall.This programme realizes the control to water the temperature inside the box by the heating unit in water tank, cold water circulation pump and water-cooled cooling-water machine, and realizes snowfall, it is achieved that the simulation of snowfall environment, in order to air conditioner detection of duty in snowfall environment.
Present embodiment discloses a kind of snowing device, its structural representation is as in figure 2 it is shown, include:
Water tank 21, it is arranged at the heating unit 22 in water tank 21, the outlet of water tank 21 is sequentially connected with cold water circulation pump 23, water-cooled cooling-water machine 24 by water circulating pipe, and make to be entered the water inlet of water tank 21 by the water of water-cooled cooling-water machine 24, the shower nozzle 25 being connected with water tank 21, heating tape 26, temperature detect switch (TDS) 27.
Except the structure identical with a upper embodiment, the present embodiment also add heating tape 26 and temperature detect switch (TDS) 27.
Wherein, heating tape 26 is wound on the pipeline that shower nozzle 25 is connected with water tank 21.
Temperature detect switch (TDS) 27 is connected with heating tape 26, for whether the water detected in pipeline reaches predetermined open temp, when the water in pipeline reaches predetermined open temp, opens heating tape 26, makes heating tape 26 be heated.
Heating tape 26 is for being heated the water in pipeline, it is prevented that the water freezing in pipeline.
Wherein, predetermined open temp can be set to-2 DEG C.
Snowing device disclosed in the present embodiment, relatively go up an embodiment and add heating tape and temperature detect switch (TDS), the water connected in the pipeline between shower nozzle and water tank will not be frozen when temperature is relatively low, to such an extent as to snowfall can not be realized, it is impossible to complete the test in snowfall environment of the tested air conditioner.
Further, in snowing device disclosed in the present embodiment, it is also possible to including: heat-preservation cotton.
Heat-preservation cotton is used for wrapping up heating tape, and heat-preservation cotton can be black.
Present embodiment discloses a kind of climatic chamber, its structural representation is as it is shown on figure 3, include:
Snowing device 31, video monitoring system 32.
Snowing device 31 includes: water tank, is arranged at the heating unit in water tank, and the outlet of water tank passes sequentially through water circulating pipe and is connected cold water circulation pump, water-cooled cooling-water machine, the shower nozzle being connected with water tank with water inlet.The concrete structure schematic diagram of snowing device 31 is as shown in Figure 1.
Cold water circulation pump is opened, and the water in water tank is heated by heating unit, makes the water in water tank keep predetermined temperature, and is exported to water-cooled cooling-water machine through cold water circulation pump by the outlet of water tank by the water through heating unit heats.
The water that water tank is exported by water-cooled cooling-water machine is lowered the temperature, and makes water reach predetermined artificial snow-making temperature, and by the water input after cooling to water tank.
Water in water tank reaches after predetermined artificial snow-making temperature through water-cooled cooling-water machine, sprays through shower nozzle, forms snowfall.
Water-cooled cooling-water machine is 5 cold.
Being provided with water tank temperature instrument on water tank, for the temperature in monitoring water tank, when water tank temperature instrument shows that the water in water tank reaches predetermined artificial snow-making temperature, water is sprayed by shower nozzle, forms snowfall.
Wherein, predetermined artificial snow-making temperature range is 5～7 DEG C, and when temperature is at 5～7 DEG C, the effect of artificial snow-making is best, therefore, it can set predetermined artificial snow-making temperature as 6 DEG C.
The peak power of heating unit is 24 kilowatts, water tank temperature instrument control the power of heating unit.
Video monitoring system 32 is for monitoring tested air conditioner operation conditions in the snowfall environment of snowing device 31.
Climatic chamber disclosed in the present embodiment, is heated the water in water tank by the heating unit being arranged in water tank, and exports to water-cooled cooling-water machine, by water-cooled cooling-water machine, the water in water tank is lowered the temperature, make the water in water tank reach predetermined artificial snow-making temperature, and spray through shower nozzle, form snowfall.This programme realizes the control to water the temperature inside the box by the heating unit in water tank, cold water circulation pump and water-cooled cooling-water machine, and realizes snowfall, it is achieved that the simulation of snowfall environment, in order to video monitoring system is to air conditioner detection of duty in snowfall environment.
Further, the snowing device in climatic chamber disclosed in the present embodiment can also include: heating tape, temperature detect switch (TDS).
Wherein, heating tape is wound on the pipeline that shower nozzle is connected with water tank, for the water in pipeline is heated, it is prevented that the water freezing in pipeline.
Temperature detect switch (TDS) is connected with heating tape, for whether the water detected in pipeline reaches predetermined open temp, when the water in pipeline reaches predetermined open temp, opens heating tape, makes heating tape be heated.
Wherein, predetermined open temp can be set to-2 DEG C.
Snowing device disclosed in the present embodiment, add heating tape and temperature detect switch (TDS), the water connected in the pipeline between shower nozzle and water tank will not be frozen when temperature is relatively low, to such an extent as to snowfall can not be realized, it is impossible to complete the test in snowfall environment of the tested air conditioner.
Present embodiment discloses a kind of climatic chamber, its structural representation as shown in Figure 4, including:
Snowing device 41, video monitoring system 42, man wind apparatus 43.
Snowing device 41 includes: water tank, is arranged at the heating unit in water tank, and the outlet of water tank passes sequentially through water circulating pipe and is connected cold water circulation pump, water-cooled cooling-water machine, the shower nozzle being connected with water tank with water inlet.The concrete structure schematic diagram of snowing device 31 is as shown in Figure 1.
Except the structure identical with a upper embodiment, the present embodiment also add man wind apparatus 43.
Wherein, the structural representation of man wind apparatus 43 is as it is shown in figure 5, include:
Axial flow blower 431, the converter 432 being connected with axial flow blower 431, the air velocity transducer 433 being respectively connected with converter 432 and video monitoring system 42.
Wherein, axial flow blower 431 is used for realizing man wind.
Axial flow blower 431 is three-phase, 380V, the axial flow blower of 5.5 kilowatts.
Air velocity transducer 433 is for detecting the wind speed of axial flow blower 431, and the wind speed detected is sent to video monitoring system 42, the video monitoring system 42 testing requirement according to tested air conditioner, sends blast velocity control signal, and this blast velocity control signal sends to converter 432 through air velocity transducer.
Converter 432 receives the blast velocity control signal that video monitoring system 42 sends, and controls the wind speed of axial flow blower 431 according to this blast velocity control signal.
Climatic chamber disclosed in the present embodiment, except snow making apparatus and video monitoring system, also add man wind apparatus, achieve man wind, and achieve the control to wind speed of the testing requirement according to tested air conditioner, make climatic chamber disclosed in the present embodiment, except the detection that can realize the operation in snowfall environment of the tested air conditioner, it is also possible to realize the detection to tested air conditioner operation conditions in strong wind atmosphere.
Climatic chamber disclosed in the present embodiment, its structural representation as shown in Figure 6, including:
Snowing device 61, video monitoring system 62, explosion protection system 63.
Snowing device 61 includes: water tank, is arranged at the heating unit in water tank, and the outlet of water tank passes sequentially through water circulating pipe and is connected cold water circulation pump, water-cooled cooling-water machine, the shower nozzle being connected with water tank with water inlet.The concrete structure schematic diagram of snowing device 61 is as shown in Figure 1.
Except the structure identical with a upper embodiment, the present embodiment also add explosion protection system 63.
The structural representation of explosion protection system 63 as it is shown in fig. 7, comprises:
Concentration sensor 631, the Explosionproof socket 632 being connected with concentration sensor 631, the exhaust system 633 being respectively connected with Explosionproof socket 632 and enter VMC (Ventilation Mechanical Control System) 634.
Concentration sensor 631 is used for detecting gas concentration in climatic chamber, when detecting that this gas concentration reaches preset alarm concentration, sends stop signal to Explosionproof socket 632.
Wherein, gas concentration is specially the concentration of certain prespecified gas.
Explosionproof socket 632 receives stop signal, stop the power supply except exhaust system 633 and the equipment entering VMC (Ventilation Mechanical Control System) 634, namely stop such as the power supply of the equipment such as snowing device, video monitoring system, simultaneously, open exhaust system 633 and enter VMC (Ventilation Mechanical Control System) 634, enabling exhaust system to get rid of the gas in climatic chamber in time, reduce concentration, enter VMC (Ventilation Mechanical Control System) and in time from extraneous air intake, the concentration of this gas in climatic chamber can be reduced.
Climatic chamber disclosed in the present embodiment, it is also possible to including: man wind apparatus.
Make no matter climatic chamber is when snowing device works, or when man wind apparatus works, it is possible to note abnormalities in time, and release exception.
Climatic chamber disclosed in the present embodiment, except snowing device, video monitoring system, also add explosion protection system, when making, in climatic chamber, abnormity of gas concentration occurs, can cut off the electricity supply in time, and reduce the concentration of abnormal gas in climatic chamber, to reduce the fault rate of climatic chamber.
Further, climatic chamber disclosed in the present embodiment, it is also possible to including: measuring unit.
Measuring unit is for detecting the parameters such as the voltage of tested air conditioner, electric current, and sends the parameter detected to video monitoring system, in order to operator can grasp the tested situation of tested air conditioner at any time.
Wherein, the parameter that measuring unit detects may include that the electrical quantitys such as voltage, electric current, power, power factor, power consumption.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates referring to method part.
Professional further appreciates that, the unit of each example described in conjunction with the embodiments described herein and algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can directly use the software module that hardware, processor perform, or the combination of the two is implemented.Software module can be placed in any other form of storage medium known in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (4)
1. a climatic chamber, it is characterised in that including: snowing device, video monitoring system, and explosion protection system,
Described snowing device includes: water tank, is arranged at the heating unit in described water tank, passes sequentially through cold water circulation pump, water-cooled cooling-water machine that water circulating pipe is connected with the outlet of described water tank and water inlet, the shower nozzle being connected with described water tank,
Described cold water circulation pump is opened, water in described water tank is heated by described heating unit, make the water in described water tank keep predetermined temperature, and the water through described heating unit heats is exported to described water-cooled cooling-water machine through described cold water circulation pump by the outlet of water tank；
The water that described water tank is exported by described water-cooled cooling-water machine is lowered the temperature, and makes water reach predetermined artificial snow-making temperature, and by the water input after cooling to described water tank；
Water in described water tank reaches after predetermined artificial snow-making temperature through water-cooled cooling-water machine, sprays through shower nozzle, forms snowfall；
Described video monitoring system is for monitoring tested air conditioner operation conditions in the snowfall environment of described snowing device；
Described explosion protection system includes: concentration sensor, the Explosionproof socket being connected with described concentration sensor, the exhaust system being respectively connected with described Explosionproof socket and enter VMC (Ventilation Mechanical Control System),
Described concentration sensor is used for detecting gas concentration in climatic chamber, when detecting that described gas concentration reaches preset alarm concentration, sends stop signal extremely described Explosionproof socket；
Described Explosionproof socket stops the power supply except described exhaust system and the equipment entering VMC (Ventilation Mechanical Control System), and opens described exhaust system and enter VMC (Ventilation Mechanical Control System), makes described exhaust system and enters VMC (Ventilation Mechanical Control System) work.
2. climatic chamber according to claim 1, it is characterised in that also include: man wind apparatus,
Described man wind apparatus includes: axial flow blower, the converter being connected with described axial flow blower, the air velocity transducer being respectively connected with described converter and video monitoring system,
Described axial flow blower is used for man wind；
Described converter is for regulating the wind speed of described axial flow blower；
Described air velocity transducer is for detecting the wind speed of described axial flow blower, and by receiving the signal of described video monitoring system, controls converter and regulate wind speed.
3. climatic chamber according to claim 1, it is characterised in that also include: the measuring unit being connected with described video monitoring system,
Described measuring unit is for detecting the voltage of described tested air conditioner, current parameters, and sends described parameter to video monitoring system.
4. climatic chamber according to claim 1, it is characterised in that described snowing device also includes: heating tape, the temperature detect switch (TDS) being connected with described heating tape,
Described heating tape is wound on the pipeline that described shower nozzle is connected with water tank；
When described temperature detect switch (TDS) reaches predetermined open temp for the water detected in described pipeline, open described heating tape；
Described heating tape is for being heated the water in described pipeline, it is prevented that the water freezing in described pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410283.7A CN104154694B (en) | 2014-08-19 | 2014-08-19 | A kind of snowing device and climatic chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410283.7A CN104154694B (en) | 2014-08-19 | 2014-08-19 | A kind of snowing device and climatic chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154694A CN104154694A (en) | 2014-11-19 |
| CN104154694B true CN104154694B (en) | 2016-07-13 |
Family
ID=51880261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410410283.7A Active CN104154694B (en) | 2014-08-19 | 2014-08-19 | A kind of snowing device and climatic chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104154694B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440357B (en) * | 2016-10-14 | 2021-12-24 | 格力电器（芜湖）有限公司 | Water tank and heat pump water heater |
| CN108318241B (en) * | 2018-04-18 | 2023-08-25 | 山东交通学院 | Automobile anti-skid chain performance testing device |
| CN109781938B (en) * | 2018-12-03 | 2023-04-14 | 中国辐射防护研究院 | Device for simulating radionuclide snowfall path settlement |
| CN112902520B (en) * | 2021-02-01 | 2022-05-06 | 西安交通大学 | Snow gun, control method and working method suitable for multi-regional climatic conditions |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10253405A (en) * | 1997-03-10 | 1998-09-25 | Hitachi Cable Ltd | Simulated wet snowfall experiment equipment |
| JP2002228318A (en) * | 2001-01-31 | 2002-08-14 | Masahiro Yuki | Snow falling method wherein core material of ice of artificial snow falling machine is self produced forcibly before or after nozzle of gun type or fan type |
| GB2389908B (en) * | 2002-06-18 | 2005-05-18 | Itw Ltd | Pressure gauge |
| CN201135939Y (en) * | 2007-12-12 | 2008-10-22 | 珠海格力电器股份有限公司 | Spraying and snowing device for environmental simulation |
| CN101751019B (en) * | 2008-12-18 | 2012-12-12 | 珠海格力电器股份有限公司 | Monitoring system for environmental simulation |
| CN102019242A (en) * | 2010-11-01 | 2011-04-20 | 哈尔滨工程大学 | Double-inlet atomizing spray head for making snow |
| CN201965031U (en) * | 2010-12-24 | 2011-09-07 | 青岛海之新能源有限公司 | Testing laboratory for air conditioning system |
-
2014
- 2014-08-19 CN CN201410410283.7A patent/CN104154694B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104154694A (en) | 2014-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103375874B (en) | Air conditioner and refrigerant circulation abnormity protection control method of air conditioner | |
| CN104154694B (en) | A kind of snowing device and climatic chamber | |
| CN109506319A (en) | heating machine and automatic anti-freezing control method thereof | |
| CN104728999B (en) | anti-freezing control method and device for heat exchanger of air conditioner | |
| WO2018018742A1 (en) | Smart online fault detection and warning method utilized in heating, ventilation, and air conditioning room | |
| CN202134825U (en) | Online intelligent monitoring system for the internal environment of electrical cabinets | |
| CN102508074A (en) | Internal overheat fault monitoring method of metal sealed gas-insulated switchgear | |
| CN110201462A (en) | A kind of dust explosion protection monitoring alarm applied in deduster | |
| CN206694846U (en) | The gas pipeline drainer of running status can be monitored and controlled automatically | |
| CN102974407A (en) | An unsaturated high pressure accelerated aging test chamber | |
| CN211230728U (en) | Water cooling system and wind generating set | |
| CN205157714U (en) | Artifical icing snowberg climatic test device of 66kV | |
| CN111752315A (en) | Temperature control method, temperature controller and temperature control system for vacuum thermal test of spacecraft | |
| CN103791561B (en) | A kind of indoor apparatus of air conditioner | |
| CN104656701B (en) | An outdoor intelligent control cabinet and its control method | |
| CN104597951A (en) | Temperature and humidity monitoring control device of air-cooled generator and monitoring control method of temperature and humidity monitoring control device | |
| CN108413565A (en) | Indoor unit anti-freeze control method and air conditioner for air conditioner | |
| CN204665569U (en) | A kind of electric substation air-conditioner water leakage alarm start-stop control system | |
| CN206314151U (en) | The heat sink of monitoring element in a kind of high-temperature service | |
| CN104729171B (en) | Cold and hot water unit anti-freezing protection device and cold and hot water unit anti-freezing protection method | |
| CN104216302B (en) | control method and system of electric appliance product | |
| CN203610144U (en) | Constant temperature and humidity device | |
| CN111416294A (en) | Cable repairing electrical device and using method thereof | |
| CN105698452A (en) | Control method used for defrosting mode withdrawing of heat pump and heat pump using control method | |
| CN113342068B (en) | An experimental system for smoke flow control based on online machine learning |
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 | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240326 Granted publication date: 20160713 |
|
| PP01 | Preservation of patent right |