CN103791593A - Air conditioning unit and air conditioning water system thereof - Google Patents
Air conditioning unit and air conditioning water system thereof Download PDFInfo
- Publication number
- CN103791593A CN103791593A CN201210425083.XA CN201210425083A CN103791593A CN 103791593 A CN103791593 A CN 103791593A CN 201210425083 A CN201210425083 A CN 201210425083A CN 103791593 A CN103791593 A CN 103791593A
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- air
- water system
- spool
- pipeline
- conditioner water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
The invention discloses an air-conditioning water system which comprises a water system pipeline and a drainage pipeline communicated with the water system pipeline, wherein an automatic drainage valve controlled by the external temperature is communicated with the drainage pipeline. According to the air-conditioning water system provided by the invention, the automatic drain valve is communicated with the drainage pipeline communicated with the water system pipeline, and is closed when the temperature is higher and is automatically opened when the temperature is lower, so that the air-conditioning water system can automatically drain water according to the ambient temperature under the condition of power failure, and the damage caused by the water existing in the water system when the temperature is lower is effectively avoided. The invention also provides an air conditioning unit with the air conditioning water system.
Description
Technical field
The present invention relates to air conditioner technical field, particularly a kind of air-conditioning unit and air-conditioner water system thereof.
Background technology
In source pump in most air-conditioning units, all there is water system, and these water systems all possess automatic freezing-protective function conventionally, as long as the unit not moving under cold snap has power supply supply, automatic anti-freezing device will move antifreeze function automatically according to the temperature of water system, is unlikely to the safety that guarantees water system the pipeline that is damaged by frost.
But, in the use of air-conditioning unit, powering-off state inevitably can occur, and automatically controlled automatic anti-freezing device will lose efficacy when power-off, make unit not have cannot carry out antifreezing measures to water system in the situation of power supply supply.At this moment, can only rely on to adding anti-icing fluid in the water of water system and reach antifreezing effect.But anti-icing fluid concentration can be diluted along with the prolongation of the service time of air-conditioning unit or is rotten, thereby affects antifreezing effect, and the freezing situation of water system can occur equally.
At present, when power-off, conventionally adopt manually the mode that water system is carried out to draining to protect it, when too low, need to carry out draining to the water system of air-conditioning unit, by manually completing the drain operation to water system in power-off and ambient temperature.In power-off and temperature, lower in the situation that, the difficulty of artificial drainage is larger, and, not in time water is discharged and may be caused the badly damaged of water system.
Therefore, how to make the water system Auto-drainage of air-conditioning unit, avoid water system to damage, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of air-conditioner water system, so that the water system Auto-drainage of air-conditioning unit avoids water system to damage.The present invention also provides a kind of air-conditioning unit with above-mentioned air-conditioner water system.
A kind of air-conditioner water system, comprises water-system pipeline and is communicated in the drainage pipeline on described water-system pipeline, is communicated with the automatic drain valve by ambient temperature control on described drainage pipeline.
Also comprise the power-off normally open solenoid valve being communicated on described drainage pipeline.
Preferably, in above-mentioned air-conditioner water system,, described power-off normally open solenoid valve is communicated on the pipeline section between described water-system pipeline and described automatic drain valve.
Preferably, in above-mentioned air-conditioner water system, described automatic drain valve is communicated on the pipeline section between described water-system pipeline and described power-off normally open solenoid valve.
Preferably, in above-mentioned air-conditioner water system, described automatic drain valve is lower than the lowest part of described water-system pipeline.
Preferably, in above-mentioned air-conditioner water system, described automatic drain valve comprises:
Valve body, is provided with water inlet and delivery port on described valve body;
The cover body being connected with described valve body;
Be arranged in described valve body, for sealing the spool of described water inlet and described delivery port, described spool has spool cavity, in described spool cavity, is filled with temperature sensing medium;
With the connecting rod piston of described cover body axial restraint, described connecting rod piston is sheathed in described spool cavity;
Be arranged at the elastic device between described valve body and described spool.
Preferably, in above-mentioned air-conditioner water system, on described connecting rod piston, offer the blind hole of arranging and communicating with the external world along its bearing of trend.
Preferably, in above-mentioned air-conditioner water system, described spool has cylindrical spool body and conical surface spool;
Large one end of diameter of described conical surface spool is connected with described cylindrical spool body;
In described valve body, be provided with the cone groove matching with described conical surface spool, described water inlet is arranged on the conical surface of described cone groove, and described delivery port is arranged on the end face of described cone groove.
Preferably, in above-mentioned air-conditioner water system, described valve body is connected with described cover body threaded engagement; The threaded portion of described valve body or the threaded portion of described cover body are provided with adjustment scale.
A kind of air-conditioning unit, has air-conditioner water system, and described air-conditioner water system is the air-conditioner water system described in above-mentioned any one.
Can find out from above-mentioned technical scheme, air-conditioner water system provided by the invention, on the drainage pipeline that is communicated with water-system pipeline, be communicated with automatic drain valve, automatic drain valve is closed and automatic unlatching in the time that temperature is lower in the time that temperature is higher, make the air-conditioner water system can be according to environment temperature Auto-drainage under powering-off state, effectively avoided in water system, having water in temperature when low and the damage that causes.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The first structural representation of the air-conditioner water system that Fig. 1 provides for the embodiment of the present invention;
The second structural representation of the air-conditioner water system that Fig. 2 provides for the embodiment of the present invention;
The unlatching schematic diagram of the automatic drain valve that Fig. 3 provides for the embodiment of the present invention;
The automatic drain valve that Fig. 4 provides for the embodiment of the present invention close schematic diagram;
The exploded perspective view of the automatic drain valve that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the connecting rod piston that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the spool that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the valve body that Fig. 8 provides for the embodiment of the present invention;
Fig. 9 is for looking schematic diagram in a left side for the automatic drain valve that the embodiment of the present invention provides.
The specific embodiment
The invention discloses a kind of air-conditioner water system, with so that the water system Auto-drainage of air-conditioning unit, avoid water system to damage.The invention also discloses a kind of air-conditioning unit with above-mentioned air-conditioner water system.
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, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, the first structural representation of the air-conditioner water system that Fig. 1 provides for the embodiment of the present invention; The second structural representation of the air-conditioner water system that Fig. 2 provides for the embodiment of the present invention.
The embodiment of the present invention provides a kind of air-conditioner water system, comprises water-system pipeline A and is communicated in the drainage pipeline on water-system pipeline A, is communicated with the automatic drain valve B by ambient temperature control on drainage pipeline.
The air-conditioner water system that the embodiment of the present invention provides, on the drainage pipeline that is communicated with water-system pipeline A, be communicated with automatic drain valve B, automatic drain valve B closes and automatic unlatching in the time that temperature is lower in the time that temperature is higher, make the air-conditioner water system can be according to environment temperature Auto-drainage under powering-off state, effectively avoided in water system, having water in temperature when low and the damage that causes.
In the air-conditioner water system energising normal course of operation providing in the embodiment of the present invention, there is near the lower situation of the temperature excessive or automatic drain valve B of water-system pipeline A inside water pressure, very easily cause in this case automatic drain valve B fault open, thereby the water in air-conditioner water system is misprinted.Occur for fear of this situation, also comprise the power-off normally open solenoid valve C being communicated on drainage pipeline.It should be noted that, the electric power system of power-off normally open solenoid valve C and the electric power system of air-conditioner water system are same, and the control line of power-off normally open solenoid valve C is installed to the power interface place of air-conditioning unit at the air-conditioner water system place that the embodiment of the present invention provides or it is controlled on mainboard.Power-off normally open solenoid valve C, at coil closed in electrified state, opens after coil blackout.Power in normal situation at air-conditioning unit, power-off normally open solenoid valve C remains closed condition, due to power-off normally open solenoid valve, C is communicated on drainage pipeline, makes drainage pipeline remain obstructed state, the situation of effectively having avoided the water in air-conditioner water system to misprint.
As shown in Figure 1, power-off normally open solenoid valve C is communicated on the pipeline section between water-system pipeline A and automatic drain valve B.Above-mentioned pipeline section belongs to a part for drainage pipeline.Power in normal situation at air-conditioner water system, power-off normally open solenoid valve C is in closed condition, because power-off normally open solenoid valve C is arranged between water-system pipeline A and automatic drain valve B, make to flow into the water inlet that the water of drainage pipeline cannot flow to automatic drain valve B by power-off normally open solenoid valve C and go out, make automatic drain valve B in opening or all the water in water-system pipeline A can not being discharged when closed condition.
As shown in Figure 2, automatic drain valve B is communicated on the pipeline section between water-system pipeline A and power-off normally open solenoid valve C.Above-mentioned pipeline section belongs to a part for drainage pipeline.Power in normal situation at air-conditioner water system, power-off normally open solenoid valve C is in closed condition.Automatic drain valve B can not discharge the water in water-system pipeline A in the time of closed condition; Automatic drain valve B is in the time of opening, and the water in water-system pipeline A, by automatic drain valve B, flows to power-off normally open solenoid valve C, and because power-off normally open solenoid valve C is in closed condition, the water in water-system pipeline A can not be discharged equally.
In order to ensure the water that can be emptied completely in air-conditioner water system, automatic drain valve B is lower than the lowest part of water-system pipeline A.Above-mentioned lowest part refers to air-conditioner water system part on close ground in running.
Please refer to Fig. 3, Fig. 4 and Fig. 5, the unlatching schematic diagram of the automatic drain valve B that Fig. 3 provides for the embodiment of the present invention; The automatic drain valve B that Fig. 4 provides for the embodiment of the present invention closes schematic diagram; The exploded perspective view of the automatic drain valve B that Fig. 5 provides for the embodiment of the present invention.
The automatic drain valve B that the embodiment of the present invention provides comprises: valve body 1, is provided with water inlet and delivery port on valve body 1; The cover body 2 being connected with valve body 1; Be arranged in valve body 1, for sealing the spool 3 of water inlet and delivery port, spool 3 has spool cavity, is filled with temperature sensing medium 4 in spool cavity; With the connecting rod piston 5 of cover body 2 axial restraints, connecting rod piston 5 is sheathed in spool cavity.
The automatic drain valve B that the embodiment of the present invention provides in access air-conditioner water system, is filled with temperature sensing medium 4 in spool cavity, and connecting rod piston 5 is sheathed in spool cavity.In the time that ambient temperature is higher, do not need air-conditioner water system to carry out draining, now, temperature sensing medium 4 expanded by heating in spool cavity, after connecting rod piston 5 and spool 3 are combined, there is certain length, after valve body 1 is connected with cover body 2, make water inlet and the delivery port of spool 3 closed valves 1; In the time that ambient temperature is lower, need to carry out draining to air-conditioner water system, now, the contraction of catching a cold of temperature sensing medium 4 in spool cavity, reduces connecting rod piston 5 and the pattern length of spool 3, and valve body 1 is connected with cover body 2 afterwards, inner space is constant, and connecting rod piston 5 and cover body 2 axial restraints, spool 3 is moved to cover body 2 directions, make water inlet and the delivery port conducting of valve body 1, the water in air-conditioner water system is imported to delivery port and got rid of by the water inlet of valve body 1.The automatic drain valve B that the embodiment of the present invention provides, by variation expansion or the contraction of temperature to external world of its temperature sensing medium 4, completed it closes and automatic unlatching in the time that temperature is lower in the time that temperature is higher, make the air-conditioner water system can be according to environment temperature Auto-drainage under powering-off state, effectively avoided in water system, having water in temperature when low and the damage that causes.
It should be noted that, temperature sensing medium 4 is paraffin or freon refrigerant.Also can select other temperature sensing mediums, introduce no longer one by one at this.
For improve automatic drain valve open speed and open after stability, the automatic drain valve that the embodiment of the present invention provides also comprises: be arranged at the elastic device 6 between valve body 1 and spool 3.
As shown in Figure 3, on connecting rod piston 5, offer the blind hole of arranging and communicating with the external world along its bearing of trend.Outside air or extraneous rainwater can enter blind hole, and ambient temperature is more directly delivered to the temperature sensing medium 4 contacting with connecting rod piston 5, improve the heat sensitivity of temperature sensing medium 4, thus the Auto-drainage accuracy of the automatic drain valve B that the raising embodiment of the present invention provides.
What conventionally spool cavity is arranged is larger, to hold more temperature sensing medium 4, to improve spool 3 water inlets of closed valve 1 and the dynamics of delivery port, to avoid water inlet and delivery port bad sealing.Increase undoubtedly the volume of connecting rod piston 5 and increase spool cavity.As shown in Figure 6, for cost-saving, the piston 52 that connecting rod piston 5 comprises connecting rod 51 and coordinates with the spool cavity of valve body 1.Wherein, the equal diameters of the diameter of piston 52 and spool cavity, so that the opening of piston 52 sealed valve core cavitys provides support power and connecting rod 51 is only required to be piston 52.
On piston 52, be provided with in the first cannelure 53, the first cannelures 53 and be provided with the first sealing ring 7.By the first sealing ring 7 packed-pistons 52 and spool cavity, improve the sealing effectiveness of piston 52 in spool cavity, avoid the temperature sensing medium 4 in spool cavity to leak.
Preferably, connecting rod 51 is cylinder connecting rod, and blind hole is the cylinder blind hole being coaxially arranged on cylinder connecting rod.
Rotation for fear of connecting rod piston 5 with respect to cover body 2, connecting rod 51 is provided with threaded joints 54 near one end of cover body 2; The top of cover body 2 has through hole, and the diameter of through hole is greater than the diameter of threaded joints 54 and is less than the diameter of connecting rod 51; Threaded joints 54 is connected with the nut 8 that is arranged at cover body 2 outsides.Threaded joints 54 is passed by the through hole of cover body 2, and coordinate and tighten with nut 8.Because the diameter of through hole is greater than the diameter of threaded joints 54 and is less than the diameter of connecting rod 51, the end wall of connecting rod 51 connecting thread connecting portions 54 is arranged on the inwall at cover body 2 tops and fixing with respect to cover body 2.
Also can tapped through hole be set on the top of cover body 2, be threaded connection portion 54 and coordinate and tightened the relative fixing of connecting rod piston 5 and cover body 2 with tapped through hole.
In the time that ambient temperature is higher, temperature sensing medium 4 expanded by heating, spool 3 relative with connecting rod piston 5 away from, detach spool cavity for fear of connecting rod piston 5, the opening part of spool cavity is provided with back-up ring 9, and the diameter of bore of back-up ring 9 is greater than the diameter of connecting rod 51 and is less than the diameter of piston 52.In installation process, pack connecting rod piston 5 into spool cavity, back-up ring 9 is sheathed on connecting rod 51 and with spool 3 and is fixed, effectively avoid connecting rod piston 5 to detach spool cavity.Preferably, back-up ring 9 is fixed with spool 3 screw threads.
As shown in Figure 7, for the ease of water inlet and the delivery port of spool 3 closed valves 1, spool 3 has cylindrical spool body 31 and conical surface spool 32; Large one end of diameter of conical surface spool 32 is connected with cylindrical spool body 31; In valve body 1, be provided with the cone groove matching with conical surface spool 32, water inlet is arranged on the conical surface of cone groove, and delivery port is arranged on the end face of cone groove.By coordinating of conical surface spool 32 and cone groove, the conical surface of conical surface spool 32 is for the water inlet of sealed valve body 1, and the delivery port of its top end face sealed valve body 1 makes the water inlet of valve body 1 and delivery port seal unlatching simultaneously simultaneously, has greatly improved drainage efficiency.
Preferably, the water inlet of valve body 1 and the axis angle of delivery port are right angle, and the pipeline of being convenient to water system connects.Spool cavity is arranged in the assembly of cylindrical spool body 31 and conical surface spool 32.
In the automatic drain valve B that the embodiment of the present invention provides, elastic device 6 is spring; Spring housing is located at the outside of cylindrical spool body 31; On cylindrical spool body 31, be provided with the bulge loop 33 for retainer spring.One end of spring and bulge loop 33 offset, and the end wall of the other end and valve body 1 offsets.
For fear of water and spring contact but its corrosion, preferably cylindrical spool body 31 and the junction of conical surface spool 32 are provided with to the second cannelure 34, in the second cannelure 34, be provided with the second sealing ring 10, the second sealing ring 10 is sealed between spool 3 and valve body 1, thereby effectively avoided contacting of water and spring.
As shown in Figure 8, valve body 1 has the water inlet segment 11 being communicated with water inlet and the water outlet pipeline section 12 being communicated with delivery port; On water inlet segment 11 and water outlet pipeline section 12, all there is connecting thread structure.To facilitate the automatic drain valve B that the embodiment of the present invention is provided to connect in water system.
Hydraulic pressure difference in different water systems, the antifreeze temperature of the water system in varying environment is also different.In order to improve the applicability of the automatic drain valve B that the embodiment of the present invention provides, preferably valve body 1 is connected with cover body 2 threaded engagement.By adjusting the threaded engagement degree of valve body 1 and cover body 2, adjust valve body 1 and the inner space size forming of cover body 2, and then reach the effect of the extruding force of adjusting elastic device 6 elastic force and temperature sensing medium 4, and then reach the effect of the open temp of adjusting automatic drain valve B, to adapt to the demand of different hydraulic pressure and different antifreeze temperature.
For the ease of regulate, preferably in the threaded portion of valve body 1 or the threaded portion of cover body 2 arrange regulate scale 13.As shown in Figure 9, in embodiments of the present invention, on the threaded portion of cover body 2, be provided with internal thread, on the threaded portion of valve body 1, be provided with external screw thread, adjusting scale 13 is arranged to the external screw thread place of valve body 1, after valve body 1 is threaded with cover body 2, using the edge of cover body 2 as tuning drive gear vision-control amount.Also cover body 2 can be set to transparent cover, adjusting scale be arranged to the internal thread place of cover body 2, after valve body 1 is threaded with cover body 2, using the edge of valve body 1 as tuning drive gear vision-control amount; Can also on the threaded portion of body 2, be provided with external screw thread, on the threaded portion of valve body 1, be provided with internal thread, introduce no longer one by one at this.
The present invention also provides a kind of air-conditioning unit, has air-conditioner water system, the air-conditioner water system of its air-conditioner water system for providing as above-mentioned any embodiment.Because above-mentioned air-conditioner water system has above-mentioned effect, the air-conditioning unit with above-mentioned air-conditioner water system also should have same technique effect, introduces no longer one by one at this.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an air-conditioner water system, is characterized in that, comprises water-system pipeline (A) and is communicated in the drainage pipeline on described water-system pipeline (A), is communicated with the automatic drain valve (B) by ambient temperature control on described drainage pipeline.
2. air-conditioner water system as claimed in claim 1, is characterized in that, also comprises the power-off normally open solenoid valve (C) being communicated on described drainage pipeline.
3. air-conditioner water system as claimed in claim 2, is characterized in that, described power-off normally open solenoid valve (C) is communicated on the pipeline section between described water-system pipeline (A) and described automatic drain valve (B).
4. air-conditioner water system as claimed in claim 2, is characterized in that, described automatic drain valve (B) is communicated on the pipeline section between described water-system pipeline (A) and described power-off normally open solenoid valve (C).
5. the air-conditioner water system as described in claim 1-4 any one, is characterized in that, described automatic drain valve (B) is lower than the lowest part of described water-system pipeline (A).
6. air-conditioner water system as claimed in claim 1, is characterized in that, described automatic drain valve (B) comprising:
Valve body (1), described valve body is provided with water inlet and delivery port on (1);
The cover body (2) being connected with described valve body (1);
Be arranged in described valve body (1), for sealing the spool (3) of described water inlet and described delivery port, described spool (3) has spool cavity, is filled with temperature sensing medium (4) in described spool cavity;
With the connecting rod piston (5) of described cover body (2) axial restraint, described connecting rod piston (5) is sheathed in described spool cavity;
Be arranged at the elastic device (6) between described valve body (1) and described spool (3).
7. air-conditioner water system as claimed in claim 6, is characterized in that, offers the blind hole of arranging and communicating with the external world along its bearing of trend on described connecting rod piston (5).
8. air-conditioner water system as claimed in claim 6, is characterized in that, described spool (3) has cylindrical spool body (31) and conical surface spool (32);
Large one end of diameter of described conical surface spool (32) is connected with described cylindrical spool body (31);
In described valve body (1), be provided with the cone groove matching with described conical surface spool (32), described water inlet is arranged on the conical surface of described cone groove, and described delivery port is arranged on the end face of described cone groove.
9. air-conditioner water system as claimed in claim 6, is characterized in that, described valve body (1) is connected with described cover body (2) threaded engagement; The threaded portion of the threaded portion of described valve body (1) or described cover body (2) is provided with adjusts scale (13).
10. an air-conditioning unit, has air-conditioner water system, it is characterized in that, described air-conditioner water system is the air-conditioner water system as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425083.XA CN103791593B (en) | 2012-10-30 | 2012-10-30 | Air conditioning unit and air conditioning water system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425083.XA CN103791593B (en) | 2012-10-30 | 2012-10-30 | Air conditioning unit and air conditioning water system thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103791593A true CN103791593A (en) | 2014-05-14 |
| CN103791593B CN103791593B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210425083.XA Active CN103791593B (en) | 2012-10-30 | 2012-10-30 | Air conditioning unit and air conditioning water system thereof |
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| Country | Link |
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| CN (1) | CN103791593B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642543A (en) * | 2016-11-28 | 2017-05-10 | 无锡同方人工环境有限公司 | Combined anti-freezing device of air-conditioning water system in cold region |
| CN109357330A (en) * | 2018-11-08 | 2019-02-19 | 青岛海尔空调器有限总公司 | The control method and device of air-conditioning, air conditioner, storage medium |
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| JP2008019565A (en) * | 2006-07-11 | 2008-01-31 | Akira Yoshizawa | Antifreezing valve |
| CN101725717A (en) * | 2008-10-30 | 2010-06-09 | 卡莱菲公司 | Antifreezing valve device for hydraulic and/or water storage systems |
| KR20110030821A (en) * | 2009-09-18 | 2011-03-24 | 한국생산기술연구원 | System for preventing frozen to burst and method thereof |
| CN202149598U (en) * | 2011-06-17 | 2012-02-22 | 博浪热能科技有限公司 | Heat pump water heater for automatically preventing freezing |
| CN202853063U (en) * | 2012-10-30 | 2013-04-03 | 珠海格力电器股份有限公司 | Air conditioning unit and air conditioning water system thereof |
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2012
- 2012-10-30 CN CN201210425083.XA patent/CN103791593B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008019565A (en) * | 2006-07-11 | 2008-01-31 | Akira Yoshizawa | Antifreezing valve |
| CN101725717A (en) * | 2008-10-30 | 2010-06-09 | 卡莱菲公司 | Antifreezing valve device for hydraulic and/or water storage systems |
| KR20110030821A (en) * | 2009-09-18 | 2011-03-24 | 한국생산기술연구원 | System for preventing frozen to burst and method thereof |
| CN202149598U (en) * | 2011-06-17 | 2012-02-22 | 博浪热能科技有限公司 | Heat pump water heater for automatically preventing freezing |
| CN202853063U (en) * | 2012-10-30 | 2013-04-03 | 珠海格力电器股份有限公司 | Air conditioning unit and air conditioning water system thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642543A (en) * | 2016-11-28 | 2017-05-10 | 无锡同方人工环境有限公司 | Combined anti-freezing device of air-conditioning water system in cold region |
| CN109357330A (en) * | 2018-11-08 | 2019-02-19 | 青岛海尔空调器有限总公司 | The control method and device of air-conditioning, air conditioner, storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103791593B (en) | 2016-08-17 |
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