CN104595525B - Cooling and warming switches eight ways valve - Google Patents
Cooling and warming switches eight ways valve Download PDFInfo
- Publication number
- CN104595525B CN104595525B CN201410854165.5A CN201410854165A CN104595525B CN 104595525 B CN104595525 B CN 104595525B CN 201410854165 A CN201410854165 A CN 201410854165A CN 104595525 B CN104595525 B CN 104595525B
- Authority
- CN
- China
- Prior art keywords
- valve plate
- valve
- interface
- cooling
- ways
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000010792 warming Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 49
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention belongs to air-conditioning system technical field, more particularly to a kind of cooling and warming switching eight ways valve.It solves the technical problems such as prior art switching control is cumbersome.This cooling and warming switching eight ways valve includes two annulus lines, ground source interface, condenser interface, evaporator interface and load side interface are respectively equipped with each annulus line, this eight ways valve also includes being arranged on two annulus lines and described ground source interface can be made to form path with condenser interface and evaporator interface alternate communication respectively and make cold and hot switching executing agency of the load side interface respectively with evaporator interface and condenser interface alternate communication.Compared with prior art, the invention has the advantages that：Design is more reasonable, easy switching and quick, and stability is good.
Description
Technical field
The invention belongs to air-conditioning system technical field, more particularly to a kind of cooling and warming switching eight ways valve.
Background technology
Its refrigeration of existing air-conditioning system and heating switching typically realize the summer in winter by eight groups of pipelines and some two-way valves
It is not only complicated after season two kinds of operating modes switching, existing eight groups of pipelines and some two-way valves its installations, and switch forms
Complexity, easily setup error causes to do over again frequently at scene, correctly can also be unfavorable for later stage operation maintenance, and actuator even if installation
Often because implementation capacity it is small it is big with pipeline pressure difference match it is improper, can not real automatic switch function.In order to solve prior art
The problem of existing, people have carried out long-term exploration, it is proposed that miscellaneous solution.
For example, Chinese patent literature discloses a kind of water-water heat pump unit of integrating water route switching, [application number：
201420103503.7], including compressor, condenser, evaporator and the first four-way valve and the second four-way valve, described compression
Machine, condenser and evaporator are sequentially communicated composition refrigerant circulation；Source delivery port, source water inlet, load-side delivery port
And load-side water inlet is connected structure by the first described four-way valve, the second four-way valve with described condenser, evaporator
Into waterway circulating.The pressure drop that can reduce system of the program, bypassed in the absence of refrigeration, improve the performance and ability of unit；Protect
Card heat exchanger is all located in the mode freezed with countercurrent flow is completely under heating mode, the performance and ability for realizing both of which
In optimization model；Refrigerant system is simple and reliable；Waterpower switching is integrated in inside unit, and the water system for having no effect on client is set
Meter and installation.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, and still, the program is also at least present
Following defect：It is higher to design unreasonable, overall complicated and cost；In addition, the later stage switching of cooling and warming easily occurs
Maloperation, switching control is inconvenient and not easy-maintaining and changes, poor practicability.
The content of the invention
Regarding the issue above, the present invention provides a kind of design is more reasonable, switching control is convenient and practical
Cooling and warming switching eight ways valve.
To reach above-mentioned purpose, present invention employs following technical proposal：This cooling and warming switching eight ways valve includes two
Annulus line, ground source interface, condenser interface, evaporator interface and load side joint are respectively equipped with each annulus line
Mouthful, this eight ways valve also include be arranged on two annulus lines and can make described ground source interface respectively with condenser interface and
Evaporator interface alternate communication, which forms path and load side interface is replaced respectively with evaporator interface and condenser interface, to be connected
Logical cold and hot switching executing agency.
In this application, it can realize that modularization dismounts there is provided two annulus lines, be performed then in conjunction with cold and hot switching
Mechanism easy switching and can be easily manipulated in order to the switching control of cooling and warming, and misloading or maloperation etc. will not occur
Accident.
In above-mentioned cooling and warming switching eight ways valve, described cold and hot switching executing agency includes being arranged on each annular
Four valve plate sockets on pipeline and the valve plate being connected in described valve plate socket and with valve plate spigot seal is inserted in, it is described
Valve plate, which is provided with, can make described ground source interface form path with condenser interface and evaporator interface alternate communication respectively
Four the first valve openings, being additionally provided with valve plate can be such that described load side interface is handed over respectively with evaporator interface and condenser interface
Four the second valve openings of path are formed for connection.Be respectively equipped with first valve opening and the second valve opening thickness it is equal with valve plate thickness and
Circumferentially fixed wearing bush.
In above-mentioned cooling and warming switching eight ways valve, described valve plate is in X-shaped, and described valve plate is with that can drive it in valve
The Direct Travel driving structure moved back and forth back and forth in plate socket is connected.
In above-mentioned cooling and warming switching eight ways valve, described valve plate includes vertical valve plate body and horizontal valve plate body, four the
One valve opening is separately positioned on vertical valve plate body and is distributed in the both ends of vertical valve plate body two-by-two, and four the second valve openings are separately positioned on horizontal stroke
The both ends of horizontal valve plate body are distributed on valve plate body and two-by-two, the first described valve opening and the second valve opening are setting up and down.
In above-mentioned cooling and warming switching eight ways valve, described Direct Travel driving structure includes being arranged on valve plate infall
Valve rod, be connected with Direct Travel driver on described valve rod.Direct Travel driver is cylinder or oil cylinder.
In above-mentioned cooling and warming switching eight ways valve, two annulus lines for small one and large one structure and in two annulars
Circular passage is formed between pipeline, each annulus line includes four right angle and managed respectively, between adjacent two sub- pipes in right angle
Described valve plate socket is left, valve plate inserts in valve plate socket and sealing structure is provided between right angle pipe and valve plate, two
Annulus line combine to be formed it is three-back-shaped.
In above-mentioned cooling and warming switching eight ways valve, described sealing structure includes being arranged on the sub- tube end in every right angle
And the deformation sealing ring made of elastic deformation material, it is respectively equipped with the two sides of valve plate and is moved when reciprocal back and forth in valve plate socket
The valve plate sealing ring that described deformation sealing ring can be made to deform upon and be connected with the sealing of deformation sealing ring when dynamic.
In above-mentioned cooling and warming switching eight ways valve, described deformation sealing ring has close to the one side of valve plate sealing ring
First angular sealing surface, the second inclined seal to be matched with the first described angular sealing surface is provided with valve plate sealing ring
Face.
In above-mentioned cooling and warming switching eight ways valve, described ground source interface, condenser interface, evaporator interface and
Connection pipe body is connected on load side interface, guide frame is provided between annulus line and valve plate.
In above-mentioned cooling and warming switching eight ways valve, described guide frame is some in circular passage including being arranged on
Lead, some guide sleeves being set in one by one on described lead, described lead and guide sleeve are provided with valve plate
Slide and be connected.
Compared with prior art, it is the advantages of this cooling and warming switching eight ways valve：1st, more reasonable, easy switching is designed
And it is quick, stability is good；2nd, modularization dismounting is realized, repairs and modularization replacing can be achieved, improve disassembly efficiency；3rd, can
Pressure difference before and after self-balancing pipeline, reduce the energy resource consumption for performing driving force；4th, it is practical.
Brief description of the drawings
Fig. 1 is structural representation provided by the invention.
Fig. 2 is valve board structure schematic diagram provided by the invention.
Fig. 3 is ring shaped pipeline structure schematic diagram provided by the invention.
Fig. 4 is partial structural diagram provided by the invention.
Fig. 5 is guide frame schematic diagram provided by the invention.
In figure, annulus line 1, source interface 11, condenser interface 12, evaporator interface 13, load side interface 14, even
The sub- pipe 1a in adapter body 15, right angle, deformation sealing ring 1b, the first angular sealing surface b, valve plate sealing ring 1c, the second angular sealing surface
C, cold and hot switching executing agency 2, valve plate socket 21, valve plate 22, vertical valve plate body 22a, horizontal valve plate body 22b, the first valve opening 23, second
Valve opening 24, valve rod 25, Direct Travel driver 26, lead 3, guide sleeve 4.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As Figure 1-5, this cooling and warming switching eight ways valve includes two annulus lines 1, divides on each annulus line 1
Not She You ground source interface 11, condenser interface 12, evaporator interface 13 and load side interface 14, ground source interface 11, condensation
Connection pipe body 15 is connected on device interface 12, evaporator interface 13 and load side interface 14.This eight ways valve also includes setting
On two annulus lines 1 and described ground source interface 11 can be made to replace respectively with condenser interface 12 and evaporator interface 13
Connection forms path and makes load side interface 14 cold and hot with evaporator interface 13 and the alternate communication of condenser interface 12 respectively
Switch executing agency 2.The combination of two annulus lines 1 forms three-back-shaped, can install and realize that module is installed in order to stringing, improve
Switching efficiency and installation effectiveness.
Specifically, the cold and hot switching executing agency 2 of the present embodiment includes four valve plates being arranged on each annulus line 1
Socket 21 and insert in described valve plate socket 21 and seal the valve plate 22 being connected with valve plate socket 21, on described valve plate 22
Path is formed provided with described ground source interface 11 can be made with condenser interface 12 and the alternate communication of evaporator interface 13 respectively
Four the first valve openings 23, be additionally provided with valve plate 22 can make described load side interface 14 respectively with evaporator interface 13 and condensation
The alternate communication of device interface 12 forms four the second valve openings 24 of path.Thickness is respectively equipped with first valve opening 23 and the second valve opening 24
The equal and circumferentially fixed wearing bush with valve plate thickness.In addition, valve plate 22 can be before and after self-balancing pipeline pressure difference, so as to reduce
Operation energy consumption.
Prioritization scheme, valve plate 22 are in X-shaped, and described valve plate 22 moves back and forth back and forth with that can drive it in valve plate socket 21
Direct Travel driving structure be connected.The Direct Travel driving structure includes being arranged on the valve rod 25 of the infall of valve plate 22, described valve
Direct Travel driver 26 is connected with bar 25.Direct Travel driver 26 includes cylinder or oil cylinder.
Secondly, valve plate 22 includes vertical valve plate body 22a and horizontal valve plate body 22b, and four the first valve openings 23 are separately positioned on vertical valve
Vertical valve plate body 22a both ends are distributed on plate body 22a and two-by-two, four the second valve openings 24 are separately positioned on horizontal valve plate body 22b
And horizontal valve plate body 22b both ends are distributed in two-by-two, the first described valve opening 23 and the second valve opening 24 are setting up and down.
In addition, two annulus lines 1 are small one and large one structure and form circular passage between two annulus lines 1,
The combination of two annulus lines 1 forms three-back-shaped, and each annulus line 1 includes the sub- pipe 1a in four right angles respectively, and adjacent two directly
Described valve plate socket 21 is left between silver coin pipe 1a, valve plate 22 is inserted in valve plate socket 21 and in the sub- pipe 1a in right angle and valve plate 22
Between be provided with sealing structure.
Further, sealing structure includes being arranged on every right angle Zi Guan1a ends and the shape made of elastic deformation material
Become sealing ring 1b, described deformation can be made when being moved back and forth back and forth in valve plate socket 21 by being respectively equipped with the two sides of valve plate 22
The valve plate sealing ring 1c that sealing ring 1b is deformed upon and is connected with deformation sealing ring 1b sealings.Deformation sealing ring 1b axles in stress
To deformation, deformation sealing ring 1b thickness is set according to the pressure size of reality.
There is the first angular sealing surface b close to valve plate sealing ring 1c one side in deformation sealing ring 1b, in valve plate sealing ring
1c is provided with the second angular sealing surface c to be matched with the first described angular sealing surface b.
Guide frame is provided between annulus line 1 and valve plate 22.The guide frame includes being arranged in circular passage
Some leads 3, some guide sleeves 4 being set in one by one on described lead 3, described lead are provided with valve plate 22
3 are connected with the slip of guide sleeve 4.
The operation principle of the present embodiment is as follows：Direct Travel driver 26 makes valve plate 22 be lifted in vertical direction by valve rod 25
So that ground source interface 11 connects to form path with condenser interface 12, or make ground source interface 11 and evaporator interface 13
Connection forms path, meanwhile, when local source interface 11 connects to form path with condenser interface 12, load side interface 14 is with steaming
The connection of hair device interface 13 forms path, secondly, when ground source interface 11 connects to form path with evaporator interface 13, load side joint
Mouth 14 connects to form path with condenser interface 12, and so as to meet the needs of cooling and warming, the switching construction is not only convenient for manipulating,
It is and practical.
Lead in addition, forming annular for small one and large one structure and between two annulus lines 1 by two annulus lines 1
Road forms three-back-shaped structure, and the structure can not only realize that modularization dismounts, but also can improve efficiency of construction.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more used herein annulus line 1, source interface 11, condenser interface 12, evaporator interface 13,
The sub- pipe 1a in load side interface 14, connection pipe body 15, right angle, deformation sealing ring 1b, the first angular sealing surface b, valve plate sealing ring 1c,
Second angular sealing surface c, cold and hot switching executing agency 2, valve plate socket 21, valve plate 22, vertical valve plate body 22a, horizontal valve plate body 22b,
The terms such as the first valve opening 23, the second valve opening 24, valve rod 25, Direct Travel driver 26, lead 3, guide sleeve 4, but be not precluded from
Use the possibility of other terms.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；
They are construed to any additional limitation and all disagreed with spirit of the present invention.
Claims (10)
1. a kind of cooling and warming switches eight ways valve, it is characterised in that including two annulus lines (1), in each annulus line (1)
On be respectively equipped with ground source interface (11), condenser interface (12), evaporator interface (13) and load side interface (14), this eight leads to
Valve also include be arranged on two annulus lines (1) and can make described ground source interface (11) respectively with condenser interface (12)
Form path with evaporator interface (13) alternate communication and make load side interface (14) respectively with evaporator interface (13) and cold
The cold and hot switching executing agency (2) of condenser interface (12) alternate communication.
2. cooling and warming according to claim 1 switches eight ways valve, it is characterised in that described cold and hot switching executing agency
(2) include four valve plate sockets (21) being arranged on each annulus line (1) and insert in described valve plate socket (21)
And the valve plate (22) being connected with valve plate socket (21) sealing, described valve plate (22), which is provided with, can make described ground source interface
(11) four the first valve openings (23) of path are formed with condenser interface (12) and evaporator interface (13) alternate communication respectively,
Be additionally provided with valve plate (22) can make described load side interface (14) respectively with evaporator interface (13) and condenser interface (12)
Alternate communication forms four the second valve openings (24) of path.
3. cooling and warming according to claim 2 switches eight ways valve, it is characterised in that described valve plate (22) is in X-shaped, institute
The valve plate (22) stated is connected with the Direct Travel driving structure that it can be driven to be moved back and forth back and forth in valve plate socket (21).
4. cooling and warming according to claim 3 switches eight ways valve, it is characterised in that described valve plate (22) includes vertical valve
Plate body (22a) and horizontal valve plate body (22b), four the first valve openings (23) are separately positioned on vertical valve plate body (22a) and are distributed two-by-two
At the both ends of vertical valve plate body (22a), four the second valve openings (24) are separately positioned on horizontal valve plate body (22b) and are distributed in horizontal stroke two-by-two
The both ends of valve plate body (22b), described the first valve opening (23) and the second valve opening (24) are setting up and down.
5. the cooling and warming switching eight ways valve according to claim 3 or 4, it is characterised in that described Direct Travel driving knot
Structure includes the valve rod (25) for being arranged on valve plate (22) infall, and Direct Travel driver (26) is connected with described valve rod (25).
6. the cooling and warming switching eight ways valve according to claim 3 or 4, it is characterised in that two annulus lines (1) are one
Big one small structure and circular passage is formed between two annulus lines (1), each annulus line (1) include respectively four it is straight
Silver coin pipe (1a), adjacent two right angle leave described valve plate socket (21) between managing (1a), and valve plate (22) inserts in valve plate
Sealing structure is provided with socket (21) and between right angle pipe (1a) and valve plate (22), two annulus line (1) combinations are formed
It is three-back-shaped.
7. cooling and warming according to claim 6 switches eight ways valve, it is characterised in that described sealing structure includes setting
In every right angle pipe (1a) end and deformation sealing ring (1b) made of elastic deformation material, divide on the two sides of valve plate (22)
She You when being moved back and forth back and forth in valve plate socket (21) described deformation sealing ring (1b) can deformed upon and and shape
Become the connected valve plate sealing ring (1c) of sealing ring (1b) sealing.
8. cooling and warming according to claim 7 switches eight ways valve, it is characterised in that described deformation sealing ring (1b) leans on
The one side of nearly valve plate sealing ring (1c) has the first angular sealing surface (b), provided with described the on valve plate sealing ring (1c)
The second angular sealing surface (c) that one angular sealing surface (b) matches.
9. cooling and warming according to claim 6 switches eight ways valve, it is characterised in that described ground source interface (11),
Connection pipe body (15) is connected on condenser interface (12), evaporator interface (13) and load side interface (14), in annular
Guide frame is provided between pipeline (1) and valve plate (22).
10. cooling and warming according to claim 9 switches eight ways valve, it is characterised in that described guide frame includes setting
Some leads (3) in circular passage are put, some be set in one by one on described lead (3) is provided with valve plate (22)
Guide sleeve (4), described lead (3) and guide sleeve (4), which slide, to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854165.5A CN104595525B (en) | 2014-12-31 | 2014-12-31 | Cooling and warming switches eight ways valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854165.5A CN104595525B (en) | 2014-12-31 | 2014-12-31 | Cooling and warming switches eight ways valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595525A CN104595525A (en) | 2015-05-06 |
| CN104595525B true CN104595525B (en) | 2017-11-10 |
Family
ID=53121482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854165.5A Active CN104595525B (en) | 2014-12-31 | 2014-12-31 | Cooling and warming switches eight ways valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104595525B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940029B (en) * | 2017-11-14 | 2019-10-25 | 珠海格力电器股份有限公司 | Two-position eight-way valve and trolley air conditioning system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2876470Y (en) * | 2006-01-12 | 2007-03-07 | 周华松 | Water passage exchange valve |
| CN101514856A (en) * | 2009-03-20 | 2009-08-26 | 清华大学 | An air treatment device with natural cold and heat supply |
| CN102966759A (en) * | 2012-11-16 | 2013-03-13 | 浙江盾安人工环境股份有限公司 | Electromagnetic four-way reversing valve with pressure protection |
| CN204477381U (en) * | 2014-12-31 | 2015-07-15 | 浙江陆特能源科技股份有限公司 | Cooling and heating switches eight logical valves |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6289931B1 (en) * | 2000-01-19 | 2001-09-18 | Emerson Electric Co. | Cycle reversing valve for use in heat pumps |
-
2014
- 2014-12-31 CN CN201410854165.5A patent/CN104595525B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2876470Y (en) * | 2006-01-12 | 2007-03-07 | 周华松 | Water passage exchange valve |
| CN101514856A (en) * | 2009-03-20 | 2009-08-26 | 清华大学 | An air treatment device with natural cold and heat supply |
| CN102966759A (en) * | 2012-11-16 | 2013-03-13 | 浙江盾安人工环境股份有限公司 | Electromagnetic four-way reversing valve with pressure protection |
| CN204477381U (en) * | 2014-12-31 | 2015-07-15 | 浙江陆特能源科技股份有限公司 | Cooling and heating switches eight logical valves |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104595525A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203518336U (en) | Multifunctional air-cooled heat pump water cooling unit | |
| CN203518094U (en) | Multi-connected heat recovery air-conditioner system | |
| CN101799227B (en) | Multifunctional air-conditioning and hot-water system | |
| CN101225990B (en) | Hot-water air conditioner and control method | |
| CN104595525B (en) | Cooling and warming switches eight ways valve | |
| CN109579102A (en) | A kind of waste heat recovery system of air compressor | |
| CN102853579A (en) | Triad heat pump unit | |
| CN204477381U (en) | Cooling and heating switches eight logical valves | |
| CN204987576U (en) | Energy -conserving transmission and distribution system of hierarchical formula self -loopa water resource heat pump regional energy | |
| CN103471192B (en) | Multiple Air Conditioning System with Heat and operation method thereof | |
| CN207922639U (en) | A kind of recovery type heat heat source tower heat pump unit | |
| CN202304095U (en) | Heat pump three-in-one unit | |
| CN103574989B (en) | Novel multifunctional heat pump, water heater experimental bench and experimental technique thereof | |
| CN103225930A (en) | Total heat recovery multi-cycle multipurpose air conditioning unit | |
| CN203824154U (en) | Air conditioning system | |
| CN202254483U (en) | Household triple supply system | |
| CN204478600U (en) | Cooling and warming pipeline switched system | |
| CN201757540U (en) | Multifunctional combined cooling and heating heat pump system | |
| CN207763544U (en) | Dual system plate type regenerator group | |
| CN205860306U (en) | Water-cooling air conditioning unit and water route assembly thereof | |
| CN202092239U (en) | Multi-split air conditioner | |
| CN101832686B (en) | Multifunctional cold and heat combined supply heat pump system | |
| CN204830596U (en) | Siphon oil refrigerating plant and be equipped with siphon oil refrigerating plant's refrigerating unit | |
| CN102322708A (en) | Household triple cogeneration system | |
| CN204006244U (en) | A kind of pressurization booster pump station with commutation pressurization function for heating network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Refrigeration and heating switching eight-way valve Effective date of registration: 20181203 Granted publication date: 20171110 Pledgee: Hangzhou United Rural Commercial Bank Limited by Share Ltd. Wushan sub branch Pledgor: ZHEJIANG LUTE ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018330000435 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20171110 Pledgee: Hangzhou United Rural Commercial Bank Limited by Share Ltd. Wushan sub branch Pledgor: ZHEJIANG LUTE ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018330000435 |