CN207035547U - A kind of critical-cross carbon dioxide air-source system - Google Patents
A kind of critical-cross carbon dioxide air-source system Download PDFInfo
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- CN207035547U CN207035547U CN201721143255.9U CN201721143255U CN207035547U CN 207035547 U CN207035547 U CN 207035547U CN 201721143255 U CN201721143255 U CN 201721143255U CN 207035547 U CN207035547 U CN 207035547U
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- compressor
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- heat exchanger
- carbon dioxide
- inlet end
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Abstract
The utility model discloses a kind of energy-conserving and environment-protective, the critical-cross carbon dioxide air-source system that stable, heating effect is good, including：Water pump, the water inlet end of the water pump are connected with water source；Heat exchanger, the water inlet end of the heat exchanger are connected with water pump water outlet end, and the water side of the heat exchanger is connected with water equipment；Compressor, the outlet side of the compressor and the inlet end of heat exchanger connect；Regenerator, the inner tube entrance point of the regenerator are connected with heat exchanger outlet side, and inner tube outlet end is connected with capillary pipeline group, and the outer tube port of export is connected with compressor inlet end；Evaporator, the inlet end of the evaporator are connected with the outlet side of capillary pipeline group and the outlet side of compressor, and are provided with defrosting magnetic valve with the connecting line of compressor；The inlet end of gas-liquid separator, the outlet side connection of the inlet end evaporator of the gas-liquid separator, outlet side and regenerator connects, and the oil-out of the gas-liquid separator and the oil return opening of compressor connect.
Description
Technical field
Water heating apparatus is the utility model is related to, more particularly, to a kind of critical-cross carbon dioxide air-source system.
Background technology
Air energy heat pump is driven by motor, using vapor-compression refrigerant cycle operation principle, using surrounding air as
The equipment that cold (heat) wind or cold (heat) water are produced in cold (heat) source, main parts size include being changed with hot side heat transmission equipment, heat source side
Hot equipment and compressor etc..Air energy heat pump is by the use of the heat in air as low-temperature heat source, by cold in conventional air conditioner
Condenser or evaporator carry out heat exchange, then by the circulatory system, extraction or release heat energy, using the unit circulatory system by energy
It is transferred in building, meets user to demands such as domestic hot-water, floor heating or air-conditionings.Traditional heat pump is set using single-stage
Meter, it uses comprehensive converter technique, parallel connection compressor or replaceable compress mode, hold over system, but can so increase single-stage
The investment of system, so as to lose biggest advantage.
Utility model content
To solve the above problems, the utility model proposes a kind of energy-conserving and environment-protective, twin-stage stable, heating effect is good
Formula critical-cross carbon dioxide air-source system.
Technical scheme is used by the utility model：A kind of critical-cross carbon dioxide air-source system, including：Water pump,
The water inlet end of the water pump is connected with water source；Heat exchanger, the water inlet end of the heat exchanger are connected with water pump water outlet end, the heat exchange
The water side of device is connected with water equipment；Compressor, the outlet side of the compressor and the inlet end of heat exchanger connect；Backheat
Device, the inner tube entrance point of the regenerator are connected with heat exchanger outlet side, and inner tube outlet end is connected with capillary pipeline group, and outer tube goes out
Mouth end is connected with compressor inlet end；Evaporator, the inlet end of the evaporator and the outlet side of capillary pipeline group and compressor
Outlet side connection, and be provided with defrosting magnetic valve with the connecting line of compressor；Gas-liquid separator, the gas-liquid separator
The outlet side connection of inlet end evaporator, the inlet end of outlet side and regenerator connect, the oil-out of the gas-liquid separator with
The oil return opening connection of compressor；Control cabinet, the controller and the water pump, heat exchanger, compressor, regenerator, evaporator and
Gas-liquid separator electrically connects.
As further technical scheme, in addition to two groups of fans being electrically connected with the controller.
As further technical scheme, it is provided with what is be electrically connected with the controller on the connecting line of the water pump and water source
Flow control valve and taps magnetic valve.
As further technical scheme, there is the fuel level sensor being electrically connected with the controller and heating on the compressor
Rod.
As further technical scheme, the disengaging water end (W.E.) and air inlet and outlet end of the heat exchanger are provided with to be electrically connected with controller
The temperature sensor connect, the pressure transmitter being electrically connected with the controller is provided with compressor.
As further technical scheme, the capillary pipeline group is made up of two capillaries in parallel, and two capillarys
The magnetic valve being electrically connected with the controller is provided with pipe.
As further technical scheme, the oil revolving end of the gas-liquid separator and the oil revolving end of compressor are provided with and controlled
The oil return solenoid valve of device electrical connection processed.
As further technical scheme, the controller is also associated with the thermal resistance for detecting ambient temperature.
As further technical scheme, a thermal resistance is provided with the connecting line of the evaporator and gas-liquid separator
For detecting evaporator temperature.
Compared with prior art, it has the advantages that the utility model：
Critical-cross carbon dioxide air-source system of the present utility model uses carbon dioxide gas oil mixture as medium, more
Environmental protection and energy saving, economy, and with defrosting function, the problem of efficiently solving worst cold case reliability, ensure system super
Still can be with normal operation in the case of low temperature, and the efficiency of heating surface is high, and Energy Efficiency Ratio is high.During machine is run, control system
Monitoring pressure ensures that machine energy and alarm in exception are shut down with temperature in real time.
Brief description of the drawings
Fig. 1 is system connection diagram of the present utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Mode, the utility model is further elaborated, it should be appreciated that embodiment described herein is only used
To explain the utility model, it is not used to limit the utility model.
A kind of critical-cross carbon dioxide air-source system as shown in Figure 1, including：Water pump 1, the water inlet end of the water pump 1
It is connected with water source 2；Heat exchanger 3, the water inlet end of the heat exchanger 3 are connected with the water side of water pump 1, the water side of the heat exchanger 3
It is connected with water equipment 4；Compressor 5, the outlet side of the compressor 5 are connected with the inlet end of heat exchanger 3；Regenerator 6, it is described
The inner tube entrance point of regenerator 6 is connected with the outlet side of heat exchanger 3, and inner tube outlet end is connected with capillary pipeline group 7, the outer tube port of export
It is connected with the inlet end of compressor 5；Evaporator 8, the inlet end of the evaporator 8 and the outlet side of capillary pipeline group 7 and compressor 5
Outlet side connection, and be provided with defrosting magnetic valve 20 with the connecting line of compressor 5, the situation of frosting occur in evaporator 8
When can open the defrosting magnetic valve 20, the thermal medium in compressor is transported into evaporator 8 is defrosted, so as to ensure system
Normal operation；Gas-liquid separator 9, the outlet side connection of the inlet end evaporator 8 of the gas-liquid separator 9, outlet side and backheat
The inlet end connection of device 6, the oil-out of the gas-liquid separator 9 are connected with the oil return opening of compressor 5；Control cabinet 10, the control
Device 10 processed electrically connects with the water pump 1, heat exchanger 3, compressor 5, regenerator 6, evaporator 8 and gas-liquid separator 9.
Wherein, in addition to two groups of fans 11 electrically connected with controller 10, for being radiated for evaporator 8；The water pump 1 with
The flow control valve 12 and taps magnetic valve 13 electrically connected with controller 10 is provided with the connecting line at water source 2；The pressure
There is the fuel level sensor 14 and heating rod 15 electrically connected with controller 10 on contracting machine 5；The disengaging water end (W.E.) of the heat exchanger 3 and
Air inlet and outlet end is provided with the temperature sensor 16 electrically connected with controller 10, temperature and outlet side when the inlet end of heat exchanger 3
Temperature when exceeding certain value, controller 10 can be delivered a signal to by temperature sensor 16 and realizes alarm, is set on compressor 5
Be equipped with the pressure transmitter 17 electrically connected with controller 10, when detect in compressor circuit hypertonia or it is too low when, pressure
Transmitter 17 can also deliver a signal to controller 10 and realize alarm；The capillary pipeline group 7 is made up of two capillaries in parallel,
And two are provided with the magnetic valve 18 electrically connected with controller 10 on capillary；The oil revolving end and pressure of the gas-liquid separator 9
The oil revolving end of contracting machine 5 is provided with the oil return solenoid valve 21 electrically connected with controller 10；The controller 10 is also associated with being used to examine
Survey the thermal resistance 19 of ambient temperature；The evaporator 8 on the connecting line of gas-liquid separator 9 with being provided with a thermal resistance
19。
Operation principle of the present utility model is：The compressor becomes the dioxy of HTHP by after carbon dioxide compression
Change the discharge of carbon gas and oil blending agent, the carbon dioxide gas and oil blending agent come out from compressor enters heat exchanger, in heat exchanger
Carbon dioxide gas and oil blending agent discharges heat, and the temperature of whole process carbon dioxide gas and oil blending agent constantly reduces, and discharges
The heat gone out is used for the water for heating to come in from water pump, and the water of water pump is carried out fully with carbon dioxide gas and oil blending agent in heat exchanger
After heat exchange, carbon dioxide gas and oil blending agent enter regenerator carry out waste heat exchange, regenerator come out after by two-way capillary
Group, according to the different capillary of environmental selection, subsequently into evaporator, in evaporator, carbon dioxide gas and oil blending agent is inhaled
Heat is received, changes into gaseous state, gas and oil separation is carried out subsequently into gas-liquid separator, the carbon dioxide warp that gas-liquid separation comes out
Compressor is returned to after crossing regenerator, oil also returns to compressor, and above-mentioned state is constantly circulated so as to realize lasting hot-water supply.Herein
During, controller controls connected magnetic valve, pressure transmitter, temperature sensor to alarm, shut down, remove to realize
The functions such as frost, compressor oil return.
Critical-cross carbon dioxide air-source system of the present utility model uses carbon dioxide gas oil mixture as medium, more
Environmental protection and energy saving, economy, and with defrosting function, the problem of efficiently solving worst cold case reliability, ensure system super
Still can be with normal operation in the case of low temperature, and the efficiency of heating surface is high, and Energy Efficiency Ratio is high.Controller control simultaneously is attached thereto
The magnetic valve that connects, pressure transmitter, temperature sensor are to realize the functions such as alarm, shutdown, defrosting, compressor oil return.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined.On the premise of the utility model design conception is not departed from, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, the scope of protection of the utility model, this reality all should be dropped into
With new claimed technology contents, all record in detail in the claims.
Claims (9)
- A kind of 1. critical-cross carbon dioxide air-source system, it is characterised in that：Including：Water pump, the water inlet end and water of the water pump Source connects；Heat exchanger, the water inlet end of the heat exchanger are connected with water pump water outlet end, and water side and the water equipment of the heat exchanger connect Connect；Compressor, the outlet side of the compressor and the inlet end of heat exchanger connect；Regenerator, the inner tube entrance point of the regenerator are connected with heat exchanger outlet side, and inner tube outlet end is connected with capillary pipeline Group, the outer tube port of export are connected with compressor inlet end；Evaporator, the inlet end of the evaporator are connected with the outlet side of capillary pipeline group and the outlet side of compressor, and with pressure The connecting line of contracting machine is provided with defrosting magnetic valve；Gas-liquid separator, the outlet side connection of the inlet end evaporator of the gas-liquid separator, the air inlet of outlet side and regenerator End connection, the oil-out of the gas-liquid separator and the oil return opening of compressor connect；Control cabinet, the controller and the water Pump, heat exchanger, compressor, regenerator, evaporator and gas-liquid separator electrical connection.
- A kind of 2. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：Also include two groups with The fan of controller electrical connection.
- A kind of 3. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：The water pump and water The flow control valve being electrically connected with the controller and taps magnetic valve are provided with the connecting line in source.
- A kind of 4. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：On the compressor With the fuel level sensor and heating rod being electrically connected with the controller.
- A kind of 5. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：The heat exchanger Disengaging water end (W.E.) and air inlet and outlet end are provided with the temperature sensor being electrically connected with the controller, and are provided with compressor and controller electricity The pressure transmitter of connection.
- A kind of 6. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：The capillary pipeline Group is made up of two capillaries in parallel, and the magnetic valve being electrically connected with the controller is provided with two capillaries.
- A kind of 7. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：The gas-liquid separation The oil revolving end of device and the oil revolving end of compressor reducer are provided with the oil return solenoid valve being electrically connected with the controller.
- A kind of 8. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：The controller is also It is connected with the thermal resistance for detecting ambient temperature.
- A kind of 9. critical-cross carbon dioxide air-source system according to claim 1, it is characterised in that：The evaporator with A thermal resistance is provided with the connecting line of gas-liquid separator to be used to monitor evaporator temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143255.9U CN207035547U (en) | 2017-09-07 | 2017-09-07 | A kind of critical-cross carbon dioxide air-source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143255.9U CN207035547U (en) | 2017-09-07 | 2017-09-07 | A kind of critical-cross carbon dioxide air-source system |
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| Publication Number | Publication Date |
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| CN207035547U true CN207035547U (en) | 2018-02-23 |
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| CN201721143255.9U Active CN207035547U (en) | 2017-09-07 | 2017-09-07 | A kind of critical-cross carbon dioxide air-source system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230882A (en) * | 2019-04-26 | 2019-09-13 | 南京霍普医疗科技有限公司 | A kind of Trans-critical cycle CO using phase-changing energy-storing2Air-source system |
-
2017
- 2017-09-07 CN CN201721143255.9U patent/CN207035547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230882A (en) * | 2019-04-26 | 2019-09-13 | 南京霍普医疗科技有限公司 | A kind of Trans-critical cycle CO using phase-changing energy-storing2Air-source system |
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