CN205991639U - A kind of total heat recovery type air-cooled heat pump water chiller-heater units - Google Patents
A kind of total heat recovery type air-cooled heat pump water chiller-heater units Download PDFInfo
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- CN205991639U CN205991639U CN201620928187.6U CN201620928187U CN205991639U CN 205991639 U CN205991639 U CN 205991639U CN 201620928187 U CN201620928187 U CN 201620928187U CN 205991639 U CN205991639 U CN 205991639U
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- heat exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
This utility model is related to a kind of total heat recovery type air-cooled heat pump water chiller-heater units, change including 1 or 2 compressors, 2 cross valves, 3 heat exchangers, 3 throttle parts, 3 check valves and 1 bi-bit bi-pass electromagnetism, be capable of freezing, heat, heat pump water heating, refrigeration recuperation of heat and defrosting function.This utility model is reasonable in design, and structure is simple, on the premise of ensureing unit performance inconvenience, the quantity of the parts of unit is greatly decreased, thus, reduce cost, simplify pipeline structure, so that the reliability of unit is effectively lifted, realize energy-conserving and environment-protective.
Description
Technical field
This utility model is related to a kind of air-conditioning equipment, especially a kind of air-cooled heat pump cold-hot water machine that can carry out recuperation of heat
Group, specifically a kind of total heat recovery type air-cooled heat pump water chiller-heater units.
Background technology
Total heat recovery type air-cooled heat pump water chiller-heater units mainly have refrigeration, heat, heat pump water heating and refrigeration recuperation of heat four
Kind of the method for operation, summer can carry out freezing, freeze recuperation of heat or heat pump heats water running, spring and autumn, winter can be heated or
Heat pump heats water running, and major advantage is can to reclaim whole used heat while cooling in summer to produce domestic hot-water, unit
Operational efficiency is high, can significantly energy saving, simultaneously a set of unit can also realize heat pump water heating or air-conditioning heating function, real
Existing a tractor serves several purposes, substantially reduces engineering initial cost.Total heat recovery type air-cooled heat pump water chiller-heater units common at present mostly comprise
The parts such as multiple check valves and multiple two-position two-way electromagnetic directional valve, not only high cost, and, circuit design is complicated, unfavorable
In the reliability improving unit.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of total heat recovery type air-cooled heat pump cold-hot water
Unit, can make the quantity of the parts such as check valve and two-position two-way electromagnetic directional valve be greatly decreased, so that pipeline structure is more
Plus simple, not only reduce cost, and the operational reliability of unit can be effectively improved.
The technical solution of the utility model is：
A kind of total heat recovery type air-cooled heat pump water chiller-heater units, including the first compressor, the second compressor, the first four-way
Valve, the second cross valve, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, first throttle part, the second throttle part, first
Check valve, the second check valve, the 3rd check valve, two-position two-way electromagnetic directional valve, compensator, gas-liquid separator, the first blower fan and
Second blower fan, wherein：
Connect with the D mouth of the first cross valve after the air vent parallel connection of described first compressor and the second compressor, the first pressure
Outlet with described gas-liquid separator after the air entry parallel connection of contracting machine and the second compressor；
The C mouth of described first cross valve is connected with the D mouth of described second cross valve, and the first of its E mouth and the 3rd heat exchanger
Port connects, and its S mouth is connected with the air inlet of described gas-liquid separator with after the S mouth parallel connection of the second cross valve again；
The C mouth of described second cross valve is connected with the second port of First Heat Exchanger, and the second of its E mouth and the second heat exchanger
Port connects；
First port after described first throttle part is in parallel with the first check valve is connected with the first port of First Heat Exchanger
Logical, described second throttle part is connected with the first port of the second heat exchanger with the first port after the second check valve parallel connection, institute
State two-position two-way electromagnetic directional valve to connect with the second port of the 3rd heat exchanger with the first port after the 3rd check valve parallel connection, institute
State first throttle part in parallel with the first check valve after second port, described second throttle part in parallel with the second check valve after
Second port and two-position two-way electromagnetic directional valve in parallel with the 3rd check valve after second port be respectively connected with leading to；
Described first blower fan and the second assembling are on described First Heat Exchanger.
Further, the conducting direction of described first check valve is in parallel with the first check valve from described first throttle part
The direction of the second port after in parallel with the first check valve to described first throttle part of first port afterwards；
The conducting direction of described second check valve be from described second throttle part after in parallel with the second check valve first
The direction of port second port after in parallel with the second check valve to described second throttle part；
The conducting direction of described 3rd check valve be from described two-position two-way electromagnetic directional valve in parallel with the 3rd check valve after
First port direction from second port after in parallel with the 3rd check valve to described two-position two-way electromagnetic directional valve.
Further, also include compensator, be arranged on described two-position two-way electromagnetic directional valve in parallel with the 3rd check valve after
First port and the second port of the 3rd heat exchanger between, and described compensator and described two-position two-way electromagnetic directional valve and the
First port after three check valve parallel connections and the 3rd heat exchanger second port are interconnected respectively.
Further, described first blower fan and the second blower fan are parallel connection.
Further, the quantity of described compressor is one.
The beneficial effects of the utility model：
This utility model is reasonable in design, and structure is simple, on the premise of ensureing unit performance inconvenience, unit is greatly decreased
The quantity of parts, thus, reduce cost, simplify pipeline structure, so that the reliability of unit is effectively lifted, realize section
Can environmental protection.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is this utility model operation schematic diagram in cooling mode.
Fig. 3 is this utility model operation schematic diagram in a heating mode.
Fig. 4 is operation schematic diagram under refrigeration heat recovery mode for this utility model.
Fig. 5 is operation schematic diagram under heating aqueous mode for this utility model.
Fig. 6 is the operation schematic diagram in water heating defrosting function for this utility model.
Wherein：1- first compressor；2- second compressor；3- first cross valve；4- second cross valve；5- first heat exchange
Device；6- second heat exchanger；7- the 3rd heat exchanger；8- first throttle part；9- second throttle part；10- first check valve；11-
Second check valve；12- the 3rd check valve；13- two-position two-way electromagnetic directional valve；14- compensator；15- gas-liquid separator；16-
One blower fan；17- second blower fan.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further described.
As shown in Figure 1.
A kind of total heat recovery type air-cooled heat pump water chiller-heater units, including the first compressor 1, the second compressor 2, the first four-way
Valve 3, the second cross valve 4, First Heat Exchanger 5, the second heat exchanger 6, the 3rd heat exchanger 7, first throttle part 8, the second restriction
Part 9, the first check valve 10, the second check valve 11, the 3rd check valve 12, two-position two-way electromagnetic directional valve 13, compensator 14, gas-liquid
Separator 15, the first blower fan 16 and the second blower fan 17, wherein：Described first compressor 1, the air vent parallel connection of the second compressor 2
Connect with the D mouth of the first cross valve 3 for first port afterwards, for the after the first compressor 1, the air entry parallel connection of the second compressor 2
Two-port netwerk and the outlet of gas-liquid separator 15；The C mouth of described first cross valve 3 is connected with the D mouth of described second cross valve 4
Logical, E mouth is connected with the first port of the 3rd heat exchanger 7, S mouth in parallel with the S mouth of the second cross valve 4 after with gas-liquid separator 15
Air inlet connects；The C mouth of described second cross valve 4 is connected with the second port of First Heat Exchanger 5, E mouth and the second heat exchanger 6
Second port connects；The of first port after described first throttle part 8 is in parallel with the first check valve 10 and First Heat Exchanger 5
Single port connects, the first port and the first of the second heat exchanger 6 after described second throttle part 9 is in parallel with the second check valve 11
Port connects, the first port after described two-position two-way electromagnetic directional valve 13 is in parallel with the 3rd check valve 12 and the 3rd heat exchanger 7
Second port connection, the second port after described first throttle part 8 is in parallel with the first check valve 10, described second restriction
After second port after part 9 is in parallel with the second check valve 11 and two-position two-way electromagnetic directional valve 13 are in parallel with the 3rd check valve 12
Second port is respectively connected with leading to；The conducting direction of described first check valve 10 is unidirectional with first from described first throttle part 8
The direction of the second port after in parallel with the first check valve 10 to described first throttle part 8 of the first port after valve 10 parallel connection；
The conducting direction of described second check valve 11 is the first port from described second throttle part 9 after in parallel with the second check valve 11
Direction to second port after in parallel with the second check valve 11 for described second throttle part 9；The leading of described 3rd check valve 12
Logical direction is from first port after in parallel with the 3rd check valve 12 for the described two-position two-way electromagnetic directional valve 13 to described two two
The direction of the second port after electric change valve 13 is in parallel with the 3rd check valve 12；Described compensator 14 is arranged on described two
Between first port after two electric change valves 13 are in parallel with the 3rd check valve 12 and the second port of the 3rd heat exchanger 7, and
First port and the 3rd after described compensator 14 and described two-position two-way electromagnetic directional valve 13 are in parallel with the 3rd check valve 12 is changed
Hot device 7 second port is interconnected respectively；Described first blower fan 16 and the second blower fan 17 are arranged on described by the way of in parallel
On First Heat Exchanger 5.
This utility model may also be employed only installing the form of a compressor, makes structure simpler.
The work process of total heat recovery unit described in the utility model is described with reference to picture and text.
1. refrigeration mode：Reference Fig. 2,1）First cross valve 3 power down, the second cross valve 4 power down；First compressor 1,
The gaseous coolant of two compressor 2 High Temperature High Pressure discharged in parallel enters the DC of the second cross valve 4 along the DC passage of the first cross valve 3
Passage is conveyed；2）First throttle part 8 standard-sized sheet, the second throttle part 9 automatically adjusts, and two-position two-way electromagnetic directional valve 13 is fallen
Electricity, coolant carries out heat exchange along the DC passage entrance First Heat Exchanger 5 of the second cross valve 4, the High Temperature High Pressure liquid coolant after heat exchange
Flow through first throttle part 8 and the first check valve 10, can only be carried out by the second throttle part 9 in parallel with the second check valve 11
Throttling；3）Due to the first cross valve 3 power down, the second cross valve 4 power down；Coolant after throttling is after the second heat exchanger 6 evaporation
Low-temp low-pressure gaseous coolant through the second cross valve 4 ES passage flow into gas-liquid separator 15, eventually through the first compressor
1st, the second port after the second compressor 2 parallel connection returns to the first compressor 1, the second compressor 2, realizes a complete refrigeration and follows
Ring.
2. heating mode：Reference Fig. 3,1）First cross valve 3 power down, electricity on the second cross valve 4；First compressor 1,
The high pressure gaseous coolant that two compressor 2 is discharged enters the DE passage of the second cross valve 4 by the DC passage of the first cross valve 3
Conveyed；2）Second throttle part 9 standard-sized sheet, first throttle part 8 automatically adjusts, two-position two-way electromagnetic directional valve 13 power down；
Coolant carries out heat exchange along DE passage entrance second heat exchanger 6 of the second cross valve 4, and the High Temperature High Pressure liquid coolant after heat exchange flows through
Second throttle part 9 in parallel can only be by the first throttle part in parallel with described first check valve 10 with the second check valve 11
8 are throttled；3）Due to the first cross valve 3 power down, electricity on the second cross valve 4；Coolant after throttling changes through First Heat Exchanger 5
Low-temp low-pressure gaseous coolant after heat flows into gas-liquid separator 15 through the CS passage of the second cross valve 4, eventually through the first pressure
Second port after contracting machine 1, the second compressor 2 parallel connection returns to the first compressor 1, the second compressor 2, realizes a complete system
Thermal cycle.
3. refrigeration heat recovery mode：Reference Fig. 4,1）Electricity on first cross valve 3；First compressor 1, the second compressor 2 are simultaneously
The gaseous coolant of the High Temperature High Pressure that townhouse goes out is carried out along the first cross valve 3DE passage from the first port of the 3rd heat exchanger 7
Heat exchange；2）Two-position two-way electromagnetic directional valve 13 power down, the second throttle part 9 automatically adjusts, and first throttle part 8 is fully closed；From
Three heat exchangers 7 High Temperature High Pressure liquid coolant out can only flow through the 3rd check valve 12 by parallel with the second check valve 11
Two throttle parts 9 are throttled；3）Second cross valve 4 power down；Coolant after throttling enters the second heat exchanger 6 and carries out heat exchange, changes
After heat, low-temp low-pressure gaseous coolant flows into gas-liquid separator 15 by the ES passage of the second cross valve 4, eventually through the first compression
Second port after machine 1, the second compressor 2 parallel connection returns to the first compressor 1, the second compressor 2, realizes a complete refrigeration
Heat recovery cycle.
4. heat aqueous mode：Reference Fig. 5,1）Electricity on first cross valve 3；First compressor 1, the second compressor 2 townhouse
The gaseous coolant of the High Temperature High Pressure going out carries out heat exchange along the first cross valve 3DE passage from the first port of the 3rd heat exchanger 7；
2）Two-position two-way electromagnetic directional valve 13 power down, the second throttle part 9 is fully closed, and first throttle part 8 automatically adjusts；From the 3rd heat exchange
Device 7 High Temperature High Pressure liquid coolant out can only flow through the 3rd check valve 12 by the first throttle in parallel with the first check valve 10
Part 8 is throttled；3）Second cross valve 4 power down；Coolant after throttling enters First Heat Exchanger 5 and carries out heat exchange, low after heat exchange
Warm low-pressure gaseous coolant enters, along the CD passage of the second cross valve 4, the CS passage flowing into the first cross valve 3, then flows into gas-liquid and divides
From device 15, return to the first compressor 1, second eventually through the second port after the first compressor 1, the second compressor 2 parallel connection and press
Contracting machine 2, realizes one and complete heats water circulation.
5. heat defrosting function：Heating and defrosting function for herein described recuperation of heat unit is the inverse of heat-production functions
To process, its principle is identical, is only that the break-make to related valve is controlled it should be noted that in order that First Heat Exchanger 5
Quick defrost, now first throttle part 8, the second throttle part 9 is standard-sized sheet, becomes for a person skilled in the art
It is apparent that here just repeats no more.
6. water heating defrosting function：With reference to Fig. 6, it is the reverse process heating aqueous mode.1）First cross valve 3 power down, the
Two cross valve 4 power down；First compressor 1, the gaseous coolant of the second compressor 2 High Temperature High Pressure discharged in parallel are along the first cross valve
The DC passage that 3DC passage enters the second cross valve 4 is conveyed；2）First throttle part 8 standard-sized sheet, the second throttle part 9 is fully closed,
Electricity in two-position two-way electromagnetic directional valve 13；Coolant carries out heat exchange along the DC passage entrance First Heat Exchanger 5 of the second cross valve 4, changes
High Temperature High Pressure liquid coolant after heat flows through first throttle part 8 and the first check valve 10 is throttled although standard-sized sheet, throttles and makees
With still can normally be evaporated, this is just relevant with parts selection；3）Due to the first cross valve 3 power down, the second cross valve 4 falls
Electricity；Coolant after throttling carries out the coolant after heat exchange by the 3rd heat exchanger 7 and flows into gas-liquid through the ES passage of the first cross valve 3
Separator 15, returns to the first compressor 1, second eventually through the second port after the first compressor 1, the second compressor 2 parallel connection
Compressor 2, realizes a complete water heating defrosting function.
This utility model adopts three check valves, two throttle parts and a two-position two-way electromagnetic directional valve to pass through two
The switch of cross valve i.e. can achieve freeze, heat, heat pump water heating, freeze the function such as recuperation of heat and defrosting so as to traditional machine
Group is compared, and the quantity of parts is greatly decreased, and pipeline structure more simplifies, thus can reduces cost, and improve the reliability of unit
Property.
This utility model is not directed to partly all same as the prior art or can be realized using prior art.
Claims (5)
1. a kind of total heat recovery type air-cooled heat pump water chiller-heater units it is characterised in that include the first compressor, the second compressor,
First cross valve, the second cross valve, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, first throttle part, the second throttling
Part, the first check valve, the second check valve, the 3rd check valve, two-position two-way electromagnetic directional valve, compensator, gas-liquid separator,
One blower fan and the second blower fan, wherein：
Connect with the D mouth of the first cross valve after the air vent parallel connection of described first compressor and the second compressor, the first compressor
With the outlet with described gas-liquid separator after the parallel connection of the air entry of the second compressor；
The C mouth of described first cross valve is connected with the D mouth of described second cross valve, the first port of its E mouth and the 3rd heat exchanger
Connection, its S mouth is connected with the air inlet of described gas-liquid separator with after the S mouth parallel connection of the second cross valve again；
The C mouth of described second cross valve is connected with the second port of First Heat Exchanger, the second port of its E mouth and the second heat exchanger
Connection；
Described first throttle part is connected with the first port of First Heat Exchanger with the first port after the first check valve parallel connection, institute
State the second throttle part to connect with the first port of the second heat exchanger with the first port after the second check valve parallel connection, described two
Two electric change valves are connected with the second port of the 3rd heat exchanger with the first port after the 3rd check valve parallel connection, and described first
After second port after throttle part is in parallel with the first check valve, described second throttle part are in parallel with the second check valve second
Port and two-position two-way electromagnetic directional valve in parallel with the 3rd check valve after second port be respectively connected with leading to；
Described first blower fan and the second assembling are on described First Heat Exchanger.
2. total heat recovery type air-cooled heat pump water chiller-heater units according to claim 1 it is characterised in that
The conducting direction of described first check valve is the first port from described first throttle part after in parallel with the first check valve
Direction to second port after in parallel with the first check valve for the described first throttle part；
The conducting direction of described second check valve is the first port from described second throttle part after in parallel with the second check valve
Direction to second port after in parallel with the second check valve for described second throttle part；
The conducting direction of described 3rd check valve be from described two-position two-way electromagnetic directional valve after in parallel with the 3rd check valve
The direction of Single port second port after in parallel with the 3rd check valve to described two-position two-way electromagnetic directional valve.
3. according to the arbitrary described total heat recovery type air-cooled heat pump water chiller-heater units of claim 1 or 2 it is characterised in that also wrapping
Include compensator, be arranged on described two-position two-way electromagnetic directional valve in parallel with the 3rd check valve after first port and the 3rd heat exchanger
Second port between, and described compensator in parallel with the 3rd check valve with described two-position two-way electromagnetic directional valve after first end
Mouth and the 3rd heat exchanger second port are interconnected respectively.
4. total heat recovery type air-cooled heat pump water chiller-heater units according to claim 1 are it is characterised in that described first blower fan
It is parallel connection with the second blower fan.
5. total heat recovery type air-cooled heat pump water chiller-heater units according to claim 1 are it is characterised in that described compressor
Quantity is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928187.6U CN205991639U (en) | 2016-08-24 | 2016-08-24 | A kind of total heat recovery type air-cooled heat pump water chiller-heater units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928187.6U CN205991639U (en) | 2016-08-24 | 2016-08-24 | A kind of total heat recovery type air-cooled heat pump water chiller-heater units |
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| Publication Number | Publication Date |
|---|---|
| CN205991639U true CN205991639U (en) | 2017-03-01 |
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ID=58106180
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620928187.6U Active CN205991639U (en) | 2016-08-24 | 2016-08-24 | A kind of total heat recovery type air-cooled heat pump water chiller-heater units |
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| CN (1) | CN205991639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021042654A1 (en) * | 2019-09-05 | 2021-03-11 | 青岛海尔空调电子有限公司 | Total heat recovery defrosting control method and control device, and air conditioning apparatus |
-
2016
- 2016-08-24 CN CN201620928187.6U patent/CN205991639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021042654A1 (en) * | 2019-09-05 | 2021-03-11 | 青岛海尔空调电子有限公司 | Total heat recovery defrosting control method and control device, and air conditioning apparatus |
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