CN208704226U - A kind of air source heat pump branch defrosting system - Google Patents
A kind of air source heat pump branch defrosting system Download PDFInfo
- Publication number
- CN208704226U CN208704226U CN201821340873.7U CN201821340873U CN208704226U CN 208704226 U CN208704226 U CN 208704226U CN 201821340873 U CN201821340873 U CN 201821340873U CN 208704226 U CN208704226 U CN 208704226U
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- evaporator
- valve
- output end
- electrocontrolled tee
- input terminal
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Abstract
The utility model discloses a kind of air source heat pump branch defrosting systems, are related to air source heat pump technical field.The utility model includes evaporator, condenser, compressor, gas-liquid separator, fluid reservoir, filter and expansion valve, temperature sensing control module is installed outside evaporator, evaporator is four-part form parallel construction, evaporator output end is connected with Electrocontrolled tee valve, and input terminal is connected with lower Electrocontrolled tee valve.The utility model uses the evaporator of four sections of side-by-side configurations, one temperature sensing control module is set outside evaporator, pass through the flow direction for the Electrocontrolled tee valve that the detection control to evaporimeter frosting temperature is connect with four-part form evaporator, successively make in four sections of four-part form evaporator each section to serve as new condenser heating and carrys out defrost, its excess-three section is still that evaporator is heated to original condenser, i.e. defrost when remain to effectively heat, and evaporator circulation defrost it is more thorough, moreover it is possible to reduce compressor damage frequency.
Description
Technical field
The utility model belongs to air source heat pump technical field, more particularly to a kind of air source heat pump branch defrost system
System.
Background technique
Air source heat pump has been subjected to because of the advantages that effect of its heating uses comfortable, environmentally friendly, energy saving, effect
Market will be widely welcomed, and air source heat pump can manufacture hot water regardless of negative, fine, daytime, night as long as having air, and its energy turns
It changes than being also very high, strictly very energy-saving and environment-friendly product.But the air-source heat when weather is colder, environment temperature is lower
The heating effect of pump can be reduced slightly, frosting is easy especially at 10 DEG C of operating ambient temperature-, defrost problem causes cannot
Normal work is the main problem that present air source heat pump faces.
It currently solves the problems, such as that the common method of air source heat pump frosting is the commutation of four energy thresholds, four-way valve is both added in systems
The function of commutation becomes refrigeration to heat, there is frost on evaporator, system is allowed to work in turn, and evaporator becomes condenser, allows and adds
The water of heat goes frostization.But heating and defrost handoff procedure in, working state of system change greatly, to heat pump system impact force compared with
Greatly, it is be easy to cause four-way valve and compressor damage, meanwhile, system is in refrigerating state when defrost, and heat pump efficiency is made on the whole
Decline.
Utility model content
The purpose of this utility model is to provide a kind of air source heat pump branch defrosting systems, to solve present air source heat
Pump other assemblies such as heating efficiency decline, compressor in defrost frequently commutate the problem of damaging in refrigeration and heating.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of air source heat pump branch defrosting system, including evaporator, condenser, compressor, gas-liquid
Separator, fluid reservoir, filter and expansion valve, the evaporator are evaporated by first segment evaporator, second segment evaporator, third section
Device, the 4th section of evaporator four-part form parallel construction composition, the output end of evaporator are connect with upper Electrocontrolled tee valve, evaporator it is defeated
Enter end to connect with lower Electrocontrolled tee valve, a temperature sensing control module is provided on the evaporator, wherein described power on control three
Port valve and the lower Electrocontrolled tee valve control terminal are connect with temperature sensing control module；
The upper Electrocontrolled tee valve and the lower Electrocontrolled tee valve are made of side by side four same triple valves, wherein described
First segment evaporator, second segment evaporator, third section evaporator, the 4th section of evaporator output end respectively with described automatically controlled three
Four triple valves of port valve are correspondingly connected with, the first segment evaporator, second segment evaporator, third section evaporator, the 4th section of steaming
The input terminal of hair device is correspondingly connected with four triple valves of the lower Electrocontrolled tee valve respectively；
Four triple valves of the upper Electrocontrolled tee valve are connect with the gas-liquid separator input terminal, the gas-liquid separation
Device output end is connect with the compressor input terminal, compressor output end respectively with the condenser input terminal and described automatically controlled
Four triple valves of triple valve connect；
The condenser output end four triple valves with the fluid reservoir input terminal and the lower Electrocontrolled tee valve respectively
Connection, the fluid reservoir output end are connect with the filter input terminal, and the filter output end and the expansion valve input
End connection, the expansion valve output end are connect with four triple valves of the lower Electrocontrolled tee valve.
Further, it is connected with the first check valve on the pipeline of the upper Electrocontrolled tee valve and the compressor output end,
The input terminal of first check valve is connect with compressor output end.
Further, it is connected with second one-way valve on the pipeline of the lower Electrocontrolled tee valve and the fluid reservoir input terminal,
The output end of the second one-way valve is connect with fluid reservoir input terminal.
Further, the temperature sensing control module is made of temperature sensor and temperature controller.
The utility model has the following beneficial effects:
The utility model uses the evaporator of four sections of side-by-side configurations, and a temperature sensing is arranged outside evaporator and controls mould
Block is successively made by the flow direction for the Electrocontrolled tee valve that the detection control to evaporimeter frosting temperature is connect with four-part form evaporator
It serves as the heating of new condenser in four sections of four-part form evaporator and carrys out defrost for each section, excess-three section is still evaporator to original condenser
It remains to effectively heat when heating, i.e. defrost, and evaporator circulation defrost is more thorough, moreover it is possible to reduce compressor damage frequency.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of the normal frost-free situation of the utility model；
Fig. 2 is the structural schematic diagram of the utility model defrost situation；
In attached drawing, parts list represented by the reference numerals are as follows:
1- evaporator, 2- condenser, 3- compressor, 4- gas-liquid separator, 5- fluid reservoir, 6- filter, 7- expansion valve,
8- temperature sensing control module, the upper Electrocontrolled tee valve of 9-, Electrocontrolled tee valve under 10-, the first check valve of 11-, 12- second are unidirectional
Valve, the upper triple valve of 13-, triple valve under 14-, A- first segment evaporator, B- second segment evaporator, C- third section evaporator, D-
Four sections of evaporators.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " arranged side by side ", "upper", "lower", " output end ", " input
Indicating positions or the positional relationships such as end ", are merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified component or element must have a particular orientation, and be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
It please refers to shown in Fig. 1-2, the utility model is a kind of air source heat pump branch defrosting system, including evaporator 1, cold
Condenser 2, compressor 3, gas-liquid separator 4, fluid reservoir 5, filter 6 and expansion valve 7, evaporator 1 is by first segment evaporator A,
Flash evaporator B, third section evaporator C, the 4th section of evaporator D four-part form parallel construction composition, the output end and electricity of evaporator 1
It controls triple valve 9 to connect, the input terminal of evaporator 1 is connect with Electrocontrolled tee valve 10, and temperature sensing control is provided on evaporator 1
Module 8, wherein Electrocontrolled tee valve 9 and 10 control terminal of Electrocontrolled tee valve are connect with temperature sensing control module 8；Automatically controlled threeway
Valve 9 and Electrocontrolled tee valve 10 are made of side by side four same triple valves, wherein the first segment evaporator A, second segment evaporate
Device B, third section evaporator C, the 4th section of evaporator D output end be correspondingly connected with respectively with four triple valves of Electrocontrolled tee valve 9,
First segment evaporator A, second segment evaporator B, third section evaporator C, the 4th section of evaporator D input terminal respectively with automatically controlled threeway
Four triple valves of valve 10 are correspondingly connected with；Four triple valves of Electrocontrolled tee valve 9 are connect with 4 input terminal of gas-liquid separator, gas
4 output end of liquid/gas separator is connect with 3 input terminal of compressor, 3 output end of compressor respectively with 2 input terminal of condenser and automatically controlled threeway
Four triple valves of valve 9 connect；2 output end of condenser, four threeways with 5 input terminal of fluid reservoir and Electrocontrolled tee valve 10 respectively
Valve connection, 5 output end of fluid reservoir are connect with 6 input terminal of filter, and 6 output end of filter is connect with 7 input terminal of expansion valve, expansion
7 output end of valve is connect with four triple valves of Electrocontrolled tee valve 10.
Preferably, the first check valve 11 is connected on the pipeline of Electrocontrolled tee valve 9 and 3 output end of compressor, first is unidirectional
The input terminal of valve 11 is connect with 3 output end of compressor, squeezes single flow direction to ensure to freeze.
Preferably, second one-way valve 12 is connected on the pipeline of Electrocontrolled tee valve 10 and 5 input terminal of fluid reservoir, second is single
It is connect to the output end of valve 12 with 5 input terminal of fluid reservoir, squeezes single flow direction to ensure to freeze.
Preferably, temperature sensing control module 8 forms the choosing of temperature sensor model by temperature sensor and temperature controller
With DS18B20, temperature controller single-chip microcontroller model selects STC89C52 or AT89C51, and the every evaporator defrost time of control sets
It is 10 minutes.
As shown in Fig. 1 solid arrow direction, in the case of frost-free, i.e., temperature sensor is examined in temperature sensing control module 8
The temperature for measuring evaporator 1 is higher than setting value, and temperature controller does not work, and defrost work does not start, in evaporator 1 in each section
Refrigeration, which is squeezed, is transmitted to gas-liquid separation by four triple valves of Electrocontrolled tee valve 9 by output end for the thermal energy absorbed in air
Device 4 does work using compressor 3, is extruded into refrigeration for high temperature and high pressure gas, cold subsequently into heat is transmitted in condenser 2
In the water of condenser 2, refrigeration squish body is condensed into liquid and successively passes through fluid reservoir 5, filter 6 and expansion valve 7, then passes through automatically controlled three
Four triple valves in port valve 10 enter evaporator 1, freeze in evaporator 1 and squeeze the heat vaporization for absorbing air again, heat absorption
Low-pressure low-temperature refrigeration squish body afterwards is done work by compressor 3 again after Electrocontrolled tee valve 9 and gas-liquid separator 4, so recycles
It is reciprocal to form heating.
As shown in Fig. 2, working as temperature sensor in temperature sensing control module 8 detects there is frosting on evaporator 1, temperature
Spend controller successively control and evaporator 1 wherein one section of control Electrocontrolled tee valve 9 connecting jointly and automatically controlled within the set time
Triple valve in triple valve 10 such as schemes upper triple valve 13 and lower triple valve 14, condensation the 4th section of evaporator D new as one
Device, so that segmented defrost pattern is opened, as shown in hollow arrow direction, first segment evaporator A, second segment evaporator B and
Refrigeration squeezes the heat vaporization absorbed in air in three sections of evaporator C, and the low-pressure low-temperature refrigeration squish body after heat absorption passes through automatically controlled three
In port valve 9 after corresponding triple valve, then the acting of compressor 3 is transmitted to by gas-liquid separator 4 and obtains high temperature and high pressure gas, then one
Part high temperature and high pressure gas enters condenser 2 and is transmitted to heat in the water of condenser 2, and refrigeration squish body is condensed into liquid and successively passes through
Fluid reservoir 5, filter 6 and expansion valve 7 are crossed, then is steamed by three triple valves in Electrocontrolled tee valve 10 into corresponding first segment
Send out device A, second segment evaporator B and third section evaporator C；Another part high temperature and high pressure gas is flowed to by the first check valve 11
Upper triple valve 13 enters back into the 4th section of evaporator D, and the 4th section of evaporator D is as new condenser by the high temperature and pressure of inflow at this time
The heat of gas carries out conversion and to outside fever defrosting, and the squish body that then freezes is condensed into liquid and is flowed through by lower triple valve 14
After second one-way valve, successively pass through fluid reservoir 5, filter 6 and expansion valve 7, then pass through other three in Electrocontrolled tee valve 10
Triple valve enters corresponding first segment evaporator A, second segment evaporator B and third section evaporator C, such repetitive cycling；In temperature
After the first segmentation defrost time set in degree sensing control module 8 reaches, temperature controller controls upper triple valve 13 and lower three
Port valve 14 closes the defrosting function of the 4th section of evaporator D, and circuits sequentially control and first segment evaporator A, second segment evaporator
The triple valve electric-controlled switch that B is connected with third section evaporator C steams first segment evaporator A, second segment evaporator B and third section
Hair device C successively opens defrosting function, and moves in circles, until temperature sensor can't detect steaming in temperature sensing control module 8
There is the phenomenon that frosting on hair device 1.
Above technical scheme can efficiently solve heat pump frosting and ask comprehensively while not stopping heating heat supply
Topic, moreover it is possible to effectively extend the service life of compressor and other assemblies.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of air source heat pump branch defrosting system, including evaporator (1), condenser (2), compressor (3), gas-liquid separator
(4), fluid reservoir (5), filter (6) and expansion valve (7), it is characterised in that: the evaporator (1) by first segment evaporator (A),
Second segment evaporator (B), third section evaporator (C), the 4th section of evaporator (D) four-part form parallel construction composition, evaporator (1)
Output end is connect with upper Electrocontrolled tee valve (9), and the input terminal of evaporator (1) is connect with lower Electrocontrolled tee valve (10), the evaporation
A temperature sensing control module (8) is provided on device (1), wherein described power on control triple valve (9) and the lower Electrocontrolled tee valve
(10) control terminal is connect with temperature sensing control module (8)；
The upper Electrocontrolled tee valve (9) and the lower Electrocontrolled tee valve (10) are made of side by side four same triple valves, wherein
The first segment evaporator (A), second segment evaporator (B), third section evaporator (C), the 4th section of evaporator (D) output end point
Four triple valves not with the upper Electrocontrolled tee valve (9) are correspondingly connected with, the first segment evaporator (A), second segment evaporator
(B), third section evaporator (C), the 4th section of evaporator (D) input terminal four three with the lower Electrocontrolled tee valve (10) respectively
Port valve is correspondingly connected with；
Four triple valves of the upper Electrocontrolled tee valve (9) are connect with the gas-liquid separator (4) input terminal, the gas-liquid point
It is connect from device (4) output end with the compressor (3) input terminal, compressor (3) output end is inputted with the condenser (2) respectively
End is connected with four triple valves of the upper Electrocontrolled tee valve (9)；
Condenser (2) output end four with the fluid reservoir (5) input terminal and the lower Electrocontrolled tee valve (10) respectively
Triple valve connection, fluid reservoir (5) output end connect with the filter (6) input terminal, filter (6) output end and
Expansion valve (7) the input terminal connection, four threeways of expansion valve (7) output end with the lower Electrocontrolled tee valve (10)
Valve connection.
2. a kind of air source heat pump branch defrosting system according to claim 1, which is characterized in that the upper automatically controlled threeway
Be connected with the first check valve (11) on the pipeline of valve (9) and the compressor (3) output end, first check valve (11) it is defeated
Enter end to connect with compressor (3) output end.
3. a kind of air source heat pump branch defrosting system according to claim 1, which is characterized in that automatically controlled threeway under described
It is connected with second one-way valve (12) on the pipeline of valve (10) and the fluid reservoir (5) input terminal, the second one-way valve (12)
Output end is connect with fluid reservoir (5) input terminal.
4. a kind of air source heat pump branch defrosting system according to claim 1, which is characterized in that the temperature sensing control
Molding block (8) is made of temperature sensor and temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340873.7U CN208704226U (en) | 2018-08-20 | 2018-08-20 | A kind of air source heat pump branch defrosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340873.7U CN208704226U (en) | 2018-08-20 | 2018-08-20 | A kind of air source heat pump branch defrosting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208704226U true CN208704226U (en) | 2019-04-05 |
Family
ID=65942792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821340873.7U Expired - Fee Related CN208704226U (en) | 2018-08-20 | 2018-08-20 | A kind of air source heat pump branch defrosting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208704226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283991A (en) * | 2020-10-21 | 2021-01-29 | 泗县格雷制冷设备有限公司 | Air source heat pump defrosting system in shunt |
| CN114576915A (en) * | 2020-11-30 | 2022-06-03 | 合肥美的电冰箱有限公司 | Refrigerator refrigerating system and refrigerator defrosting method |
-
2018
- 2018-08-20 CN CN201821340873.7U patent/CN208704226U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283991A (en) * | 2020-10-21 | 2021-01-29 | 泗县格雷制冷设备有限公司 | Air source heat pump defrosting system in shunt |
| CN114576915A (en) * | 2020-11-30 | 2022-06-03 | 合肥美的电冰箱有限公司 | Refrigerator refrigerating system and refrigerator defrosting method |
| CN114576915B (en) * | 2020-11-30 | 2023-06-30 | 合肥美的电冰箱有限公司 | Refrigerator refrigerating system and refrigerator defrosting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |