CN109819634A - Humidity control system and data center systems - Google Patents
Humidity control system and data center systems Download PDFInfo
- Publication number
- CN109819634A CN109819634A CN201910176124.8A CN201910176124A CN109819634A CN 109819634 A CN109819634 A CN 109819634A CN 201910176124 A CN201910176124 A CN 201910176124A CN 109819634 A CN109819634 A CN 109819634A
- Authority
- CN
- China
- Prior art keywords
- temperature
- air
- adjusting device
- passage
- plugging
- 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.)
- Pending
Links
Abstract
Embodiment of the disclosure discloses humidity control system and data center systems.One specific embodiment of the humidity control system includes: temperature-adjusting device, plugging device and control device, temperature-adjusting device has return side and air side, plugging device is set at least side in return side and air side, control device is electrically connected with temperature-adjusting device and plugging device respectively, wherein: control device is configured to: being in temp regulating function malfunction in response to temperature regulating device, control plugging device is closed or is in close state, to block wait flow through thermostatic air-flow.The embodiment is in temperature-adjusting device in the state that temp regulating function breaks down, temperature change dramatically is avoided to a certain extent, reduce the degree of fluctuation of temperature, help that environment is maintained to be in temperature relatively steady state, to guarantee that the object (such as server) being placed in the environment of temperature to be regulated runs well, prolong its service life.
Description
Technical field
Embodiment of the disclosure is related to field of computer technology, and in particular to humidity control system and data center systems.
Background technique
In the prior art, there are the application scenarios of many humidity control systems.Humidity control system can be increased or be dropped
The temperature of low environment.In practice, humidity control system be can include but is not limited to: the center that environment temperature can be made to be raised and lowered
Air-conditioning, top-mounted air conditioner (OverheadCoolingUnit, OCU) that the temperature of data center can be made to reduce etc..
In the course of work of humidity control system, the feelings of temperature adjusting can not be carried out by humidity control system inevitably occur
Condition.In the case, related personnel possibly can not have found in time, alternatively, hindering temperature to adjust system using artificial after discovery
The mode of the airflow of system, to avoid the exception of environment temperature.
Summary of the invention
The present disclosure proposes humidity control systems and data center systems.
In a first aspect, embodiment of the disclosure provides a kind of humidity control system, which includes temperature
Regulating device, plugging device and control device, temperature-adjusting device have return side and air side, and plugging device is set to return air
At least side in side and air side, control device are electrically connected with temperature-adjusting device and plugging device respectively, in which: control dress
Set and be configured to: being in temp regulating function malfunction in response to temperature regulating device, control plugging device close or
It is in close state, to block wait flow through thermostatic air-flow.
In some embodiments, control device is further configured to: being in temperature in response to temperature regulating device and is adjusted
Function normal condition, control plugging device are opened or in the open state, so that air-flow is from thermostatic return air effluent
Enter, and is flowed out from thermostatic air side.
In some embodiments, plugging device is set to thermostatic return side.
In some embodiments, plugging device is lifting roller shutter.
In some embodiments, the material for going up and down roller shutter includes steel.
In some embodiments, temperature-adjusting device is refrigerating plant, and the return side of refrigerating plant is formed with the passage of heat, heat
Channel is flowed into for air-flow, and the air side of refrigerating plant is formed with cold passage, and cold passage is flowed out for air-flow.
In some embodiments, the passage of heat and cold passage are airtight passage.
In some embodiments, the system further include be set to below refrigerating plant by cooling device, and cooled down
Device is set to the intersection of cold passage and the passage of heat.
In some embodiments, temperature-adjusting device includes top-mounted air conditioner.
In some embodiments, humidity control system further includes for placing by the cabinet and fire skylight of cooling device；
And the passage of heat is formed by the space between refrigerating plant, cabinet and fire skylight, cold passage is by between refrigerating plant and cabinet
Space formed.
Second aspect, embodiment of the disclosure provide a kind of data center systems, which includes as above
State humidity control system described in any embodiment in first aspect.
The humidity control system and data center systems that embodiment of the disclosure provides, comprising: temperature-adjusting device, closure
Device and control device, temperature-adjusting device have return side and air side, and plugging device is set in return side and air side
At least side, control device electrically connects with temperature-adjusting device and plugging device respectively, in which: control device is configured to:
It is in temp regulating function malfunction in response to temperature regulating device, control plugging device closes or in closing shape
State, to block wait flow through thermostatic air-flow.It, can be thermostatic by the setting of above-mentioned control device
In the case that temp regulating function breaks down, the change dramatically of environment temperature is avoided to a certain extent, reduces the fluctuation of temperature
Degree helps to maintain the environment of temperature to be regulated to be in the metastable environment of temperature, thus helps to ensure that temperature to be regulated
The environment of degree is in normal condition, when the environment of temperature to be regulated is provided with hardware device, can extend making for hardware device
Use the service life.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the disclosure is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram for the humidity control system that one embodiment of the disclosure provides；
The structural schematic diagram for the humidity control system that another embodiment of Fig. 2 disclosure provides；
Fig. 3 is that the plugging device for the humidity control system that one embodiment of the disclosure provides is set to temperature-adjusting device
Air side schematic diagram；
Fig. 4 is that the plugging device for the humidity control system that one embodiment of the disclosure provides is set to temperature-adjusting device
Return side and air side schematic diagram；
Fig. 5 is the signal in the open state of the plugging device for the humidity control system that one embodiment of the disclosure provides
Figure；
Fig. 6 is the structural schematic diagram for the data center systems that one embodiment of the disclosure provides.
Specific embodiment
The disclosure is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can phase
Mutually combination.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In the present embodiment, humidity control system may include temperature-adjusting device, plugging device and control device, temperature
Regulating device has return side and air side, and plugging device is set at least side in return side and air side, control device
It is electrically connected respectively with temperature-adjusting device and plugging device, in which: control device is configured to: adjusting and fill in response to temperature
It sets in temp regulating function malfunction, control plugging device is closed or is in close state, to block temperature tune to be flowed through
The air-flow of regulating device.
As shown in Figure 1, humidity control system includes temperature-adjusting device 101, plugging device 103 and control device 102.Its
In, temperature-adjusting device 101 can be the various devices with temp regulating function.As an example, temperature-adjusting device 101 can
It is any one of following to be but not limited to: vertical air conditioner, hanging air conditioner, central air-conditioning, top-mounted air conditioner
(OverheadCoolingUnit, OCU) etc..Plugging device 103 can be the various wind for temperature-adjusting device 101
The device that mouth side (including at least side in return side 1011 and air side 1010) is blocked.As an example, plugging device
103 can be but not limited to following any one: plugging plate, protective door etc..
Herein, temperature-adjusting device 101 has return side 1011 and air side 1010.Wherein, return side 1011 can be with
It is flowed into for air-flow.Air side 1010 can be used for air-flow outflow.It is adjusted it is appreciated that air-flow flows into temperature from return side 1011
After device 101, the temperature such as temperature-adjusting device 101 can be cooled down or be heated up to air-flow are adjusted, then, through excess temperature
Air-flow after adjusting can be flowed out through air side 1010, to carry out temperature adjusting to environment locating for temperature-adjusting device 101.
Herein, plugging device 103 is set at least side in return side 1011 and air side 1010.
Herein, control device 102 is electrically connected with temperature-adjusting device 101 and plugging device 103 respectively
(electrically coupled to).For example, control device 102 can by conducting wire, respectively with temperature-adjusting device 101
Be connected with plugging device 103, can also by the way of inductively, respectively with temperature-adjusting device 101 and plugging device
103 are connected.
Herein, above-mentioned control device 102 is configured to: being in temp regulating function in temperature regulating device 101
In the case where malfunction, control plugging device 103 is closed or is in close state, to block temperature-adjusting device to be flowed through
101 air-flow.
In practice, when plugging device 103 is currently at the state of unlatching, if 102 temperature of control device is adjusted
Device 101 is in temp regulating function malfunction, then, control device 102 can control the closing of plugging device 103；Work as envelope
When block apparatus 103 is currently at the state of closing, if 102 temperature regulating device 101 of control device is in temperature adjusting
Functional fault state, then, control device 102 can control plugging device 103 and be in close state.
It is appreciated that control device can come whether temperature regulating device is in temperature adjusting by various modes
Functional fault state.For example, control device can be by comparing the temperature in environment, with preset temperature (such as 35 degrees Celsius)
Size relation comes whether temperature regulating device is in temp regulating function malfunction.If temperature in environment is greater than etc.
In preset temperature, then above-mentioned control device can be in temp regulating function malfunction with temperature regulating device；If
Temperature in environment is less than preset temperature, then above-mentioned control device can be not at temperature adjusting with temperature regulating device
Functional fault state (is in temp regulating function normal condition).
Optionally, whether control device can also detect temperature-adjusting device by sensor (such as leakage sensor)
Leak, comes whether temperature regulating device is in temp regulating function malfunction.If control device detects temperature tune
Regulating device leak, then, above-mentioned control device can be in temp regulating function malfunction with temperature regulating device；If
Temperature-adjusting device leak is not detected in control device, then, above-mentioned control device can be in temperature with temperature regulating device
Spend regulatory function normal condition.
In Fig. 1,102 temperature regulating device 101 of control device is in temp regulating function malfunction, thus,
Control plugging device 103 closes (state being turned off in diagram for plugging device 103), to block temperature-adjusting device to be flowed through
101 air-flow.
In some optional implementations of the present embodiment, control device 102 be can be configured to: in temperature
In the case that regulating device 101 is in temp regulating function normal condition, opening state is opened or be in control plugging device 103
State, so that air-flow is flowed into from the return side 1011 of temperature-adjusting device 101, and from the air side of temperature-adjusting device 1011
1010 outflows.
As an example, please referring to Fig. 2.It is normal that 102 temperature regulating device 101 of control device is in temp regulating function
State, thus, control plugging device 103 opens (state having turned in diagram for plugging device 103), so that air-flow is from temperature
The return side 1011 of regulating device 101 flows into, and flows out from the air side of temperature-adjusting device 1,011 1010.
In practice, when plugging device 103 is currently at the state of unlatching, if 102 temperature of control device is adjusted
Device 101 is in temp regulating function normal condition, then, control device 102 can control plugging device 103 and be in opening state
State；When plugging device 103 is currently at the state of closing, if 102 temperature regulating device 101 of control device is in temperature
Regulatory function normal condition is spent, then, control device 102 can control the unlatching of plugging device 103.
In some optional implementations of the present embodiment, plugging device 103 be can be set in temperature-adjusting device 101
Return side 1011 (for example, as shown in Figure 1).
Optionally, plugging device 103 also can be set in air side 1010 (for example, as shown in Figure 3), can also set respectively
It is placed in return side 1011 and air side 1010 (for example, as shown in Figure 4).
It is appreciated that by plugging device to thermostatic air port side (including in air side and return side extremely
One item missing) it is blocked, it can prevent to a certain extent wait flow through thermostatic air-flow, to be filled being adjusted in temperature
It sets in the state that temp regulating function breaks down, avoids temperature change dramatically to a certain extent, reduce the wave of temperature
Traverse degree helps to maintain the environment of temperature to be regulated to be in temperature relatively steady state.When plugging device is only arranged at out
When wind side or air side (rather than being respectively arranged at air side and air side), the usage quantity of plugging device can be saved, thus
Achieve the purpose that save the cost.When plugging device is respectively arranged at return side and air side, only it is arranged relative to plugging device
In air side or air side, better plugging action can be played.In addition, the space when return side is bigger relative to air side
When, plugging device can be set to thermostatic return side.
In some optional implementations of the present embodiment, plugging device 103 can be lifting roller shutter.Wherein, it goes up and down
The material of roller shutter can include but is not limited at least one of following: stainless steel, galvanized steel, plastics etc..
It is appreciated that control device 102 can be by motor, to control lifting when plugging device 103 is lifting roller shutter
The unlatching and closure of roller shutter.
In some optional implementations of the present embodiment, the material of above-mentioned lifting roller shutter may include steel.As showing
Example, the material for going up and down roller shutter can be stainless steel, galvanized steel etc..
It is appreciated that since steel material usually has high temperature resistant and low temperature resistant property, thus, when humidity control system
When temp regulating function failure, lifting roller shutter still played in high temperature or low temperature environment block it is thermostatic wait flow through
The effect of air-flow, and will not generally be damaged due to too high or too low for temperature.
In some optional implementations of the present embodiment, temperature-adjusting device 101 is refrigerating plant, refrigerating plant
Return side 1011 is formed with the passage of heat, and the passage of heat is flowed into for air-flow, and the air side 1010 of refrigerating plant is formed with cold passage, cold
It is flowed out for air-flow in channel.
In some optional implementations of the present embodiment, temperature-adjusting device 101 or heating combined equipment, heating
The return side 1011 of device is formed with cold passage, and cold passage is flowed into for air-flow, and the air side 1010 of heating combined equipment is formed with heat
Channel, the passage of heat are flowed out for air-flow.
In some optional implementations of the present embodiment, the passage of heat and cold passage are airtight passage.
It is appreciated that when the passage of heat and cold passage are airtight passage, in thermostatic return side and outlet air
Plugging device is arranged at least side in side, when plugging device is in close state, plugging device, temperature-adjusting device, and
Confined space can be formed between cold passage or the passage of heat, so as to prevent completely air-flow to flow through temperature-adjusting device, in turn
Temperature change dramatically can be avoided to the maximum extent, reduces the degree of fluctuation of temperature, and the environment of temperature to be regulated is maintained to be in temperature
Spend relatively steady state.
In some optional implementations of the present embodiment, above-mentioned humidity control system further includes being set to refrigerating plant
Lower section by cooling device, and be set to by cooling device the intersection of cold passage and the passage of heat.
Herein, the above-mentioned devices that can be cooled down by cooling device for various needs.Such as may include by cooling device
But it is not limited to: server, memory etc..
In some optional implementations of the present embodiment, temperature-adjusting device includes top-mounted air conditioner.
It is appreciated that top-mounted air conditioner (OverheadCoolingUnit, OCU) is a kind of novel calm machine heat exchanger.Its
It can be set in by the top of cooling device, recycled using air-flow free convection, be zero-power to be cooled down by cooling device.
In some optional implementations of the present embodiment, humidity control system further includes for placing by cooling device
Cabinet and fire skylight.And the passage of heat is formed by the space between refrigerating plant, cabinet and fire skylight, cold passage is by making
Space between device for cooling and cabinet is formed.
Illustratively, Fig. 5 is please referred to.As shown in figure 5, humidity control system further includes being set to temperature-adjusting device 101
Lower section by cooling device (such as server, be placed in cabinet 104), and by cooling device to be set to cold passage (i.e. cold
Space where air) and the passage of heat (space i.e. where hot-air) intersection.In Fig. 5, humidity control system includes temperature
Spend regulating device 101 (being refrigerating plant, such as top-mounted air conditioner in diagram), plugging device 103 (being illustrated as lifting roller shutter) and control
Device 102 processed, temperature-adjusting device have return side (i.e. space where hot-air) and air side (i.e. space where cold air),
Plugging device 103 is set to return side, and control device 102 is electrically connected with temperature-adjusting device 101 and plugging device 103 respectively.
In diagram, the passage of heat and cold passage are airtight passage.The passage of heat is by temperature-adjusting device 101, cabinet 104 and fire skylight
Space between 105 is formed, and cold passage is formed by the space between temperature-adjusting device and cabinet 104.
Below with continued reference to FIG. 6, as shown in fig. 6, data center systems include such as any implementation in above-mentioned first aspect
Humidity control system described in example.In Fig. 6, data center systems include humidity control system 601.Humidity control system
601 can adjust temperature for space 602.In practice, the various dresses for needing to carry out it temperature adjusting are can be set in space 602
It sets, for example, server, memory etc. has can be set in space 602.
In some cases, data center systems include humidity control system, cabinet, server and power supply.Wherein, temperature
Regulating system includes temperature-adjusting device (such as top-mounted air conditioner), plugging device (such as lifting roller shutter) and control device, temperature
Regulating device has return side and air side, and plugging device is set to return side, control device respectively with temperature-adjusting device and
Plugging device electrically connects.Wherein: control device is configured to: being in temp regulating function event in response to temperature regulating device
Barrier state, control plugging device is closed or is in close state, to block wait flow through thermostatic air-flow.And it rings
It should be in temp regulating function normal condition in temperature regulating device, control plugging device unlatching or in the open state,
So that air-flow is flowed into from thermostatic return side, and flowed out from thermostatic air side.Temperature adjusts dress
The return side set is formed with the passage of heat, and the passage of heat is flowed into for air-flow, and thermostatic air side is formed with cold passage, cold
It is flowed out for air-flow in channel.The passage of heat and cold passage are airtight passage.Server and power supply, and cabinet are placed in cabinet
It is set to the intersection of cold passage and the passage of heat.
It, can be with it should be noted that each device that humidity control system included by above-mentioned data center systems includes
The each device feature having the same for including with above-mentioned humidity control system, and identical beneficial effect is generated, herein not
It repeats again.
It is data it is appreciated that using the humidity control system as described in above-mentioned any embodiment as shown in Figs. 1-5
Centring system carries out temperature adjusting, can avoid temperature change dramatically to a certain extent, reduce the degree of fluctuation of temperature, facilitate
The environment (such as server etc.) of temperature to be regulated is maintained to be in temperature relatively steady state, to guarantee to be placed in be regulated
Object (such as server) in the environment of temperature runs well, and prolongs its service life.
Above description is only the preferred embodiment of the disclosure and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the disclosure, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed in the disclosure
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (11)
1. a kind of humidity control system, which is characterized in that the humidity control system includes temperature-adjusting device (101), blocks
Device (103) and control device (102), the temperature-adjusting device (101) have return side (1011) and air side (1010),
The plugging device (103) is set at least side in the return side (1011) and air side (1010), the control dress
(102) are set to electrically connect with the temperature-adjusting device (101) and the plugging device (103) respectively, in which:
The control device (102) is configured to: being in temp regulating function in response to the determination temperature-adjusting device (101)
Malfunction controls the plugging device (103) and closes or be in close state, to block wait flow through the temperature-adjusting device
(101) air-flow.
2. system according to claim 1, wherein the control device (102) is further configured to:
It is in temp regulating function normal condition in response to the determination temperature-adjusting device (101), controls the plugging device
(103) it opens or in the open state, so that air-flow is flowed into from the return side (1011) of the temperature-adjusting device (101), with
And it is flowed out from the air side (1010) of the temperature-adjusting device (101).
3. system according to claim 1, wherein the plugging device (103) is set to the temperature-adjusting device
(101) return side (1011).
4. system according to claim 1, wherein the plugging device (103) is lifting roller shutter.
5. system according to claim 4, wherein the material of the lifting roller shutter includes steel.
6. system according to claim 1, wherein the temperature-adjusting device (101) is refrigerating plant, the refrigeration dress
The return side (1011) set is formed with the passage of heat, and the passage of heat is flowed into for air-flow, the air side of the refrigerating plant
(1010) it is formed with cold passage, the cold passage is flowed out for air-flow.
7. system according to claim 6, wherein the passage of heat and the cold passage are airtight passage.
8. system according to claim 7, wherein the system also includes be set to being dropped below the refrigerating plant
Warm device and the intersection that the cold passage and the passage of heat are set to by cooling device.
9. the system according to one of claim 6-8, wherein the temperature-adjusting device (101) includes top-mounted air conditioner.
10. the system according to one of claim 6-8, wherein the humidity control system further includes described for placing
By the cabinet (104) and fire skylight (105) of cooling device；And
The passage of heat is formed by the space between the refrigerating plant, the cabinet (104) and the fire skylight (105),
The cold passage is formed by the space between the refrigerating plant and the cabinet (104).
11. a kind of data center systems, which is characterized in that the data center systems include as described in one of claim 1-10
Humidity control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176124.8A CN109819634A (en) | 2019-03-08 | 2019-03-08 | Humidity control system and data center systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176124.8A CN109819634A (en) | 2019-03-08 | 2019-03-08 | Humidity control system and data center systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109819634A true CN109819634A (en) | 2019-05-28 |
Family
ID=66608413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910176124.8A Pending CN109819634A (en) | 2019-03-08 | 2019-03-08 | Humidity control system and data center systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109819634A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03191240A (en) * | 1989-12-18 | 1991-08-21 | Matsushita Electric Ind Co Ltd | Exhaust gas treatment device for built-in equipment |
| CN204047015U (en) * | 2014-09-22 | 2014-12-24 | 艾默生网络能源有限公司 | A kind of modular unit of modular data center and modular data center |
| CN104602482A (en) * | 2013-10-30 | 2015-05-06 | 艾默生网络能源有限公司 | Cabinet and refrigerating control method, device and system for cabinet |
| CN207252112U (en) * | 2017-05-10 | 2018-04-17 | 腾讯科技（深圳）有限公司 | A kind of data center apparatus and system |
| CN207885066U (en) * | 2017-12-20 | 2018-09-18 | 深圳市英维克科技股份有限公司 | A kind of micromodule data center |
-
2019
- 2019-03-08 CN CN201910176124.8A patent/CN109819634A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03191240A (en) * | 1989-12-18 | 1991-08-21 | Matsushita Electric Ind Co Ltd | Exhaust gas treatment device for built-in equipment |
| CN104602482A (en) * | 2013-10-30 | 2015-05-06 | 艾默生网络能源有限公司 | Cabinet and refrigerating control method, device and system for cabinet |
| CN204047015U (en) * | 2014-09-22 | 2014-12-24 | 艾默生网络能源有限公司 | A kind of modular unit of modular data center and modular data center |
| CN207252112U (en) * | 2017-05-10 | 2018-04-17 | 腾讯科技（深圳）有限公司 | A kind of data center apparatus and system |
| CN207885066U (en) * | 2017-12-20 | 2018-09-18 | 深圳市英维克科技股份有限公司 | A kind of micromodule data center |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10935264B2 (en) | Economizer having damper modulation | |
| US7826216B2 (en) | Information handling center cooling system | |
| US8583289B2 (en) | Climate control system for data centers | |
| US8842433B2 (en) | Environmental control for module housing electronic equipment racks | |
| US20180192548A1 (en) | Cooling control for data centers with cold aisle containment systems | |
| US10753664B2 (en) | Method and apparatus for reheat dehumidification with variable speed outdoor fan | |
| US10337755B2 (en) | Method and apparatus for reheat dehumidification with variable air volume | |
| US20110151765A1 (en) | Operating condition adjusting system and method of portable data center | |
| US20120164930A1 (en) | Server room managing air conditioning system and air conditioning control method | |
| US11788761B2 (en) | Method and system for supply-air re-circulation | |
| US11187430B2 (en) | Lighting control for chilled beam | |
| US11913673B2 (en) | Method and system for utilizing a bypass humidifier for dehumidification during cooling | |
| CN109819634A (en) | Humidity control system and data center systems | |
| CN105486004A (en) | Air flue structure and refrigerator | |
| KR101439952B1 (en) | Anti-freezing apparatus of heat exchanger for both heating and cooling | |
| JP5526716B2 (en) | Air conditioning system | |
| US11788739B2 (en) | Method and apparatus for hybrid dehumidification | |
| US11725844B2 (en) | Lighting control for chilled beam | |
| CN109668207A (en) | A kind of method of electric control system for drilling machine reliability service in low temperature environment | |
| WO2016168676A1 (en) | Control of a lighting with chilled beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190528 |
|
| RJ01 | Rejection of invention patent application after publication |