CN109751769A - A kind of second level parallel connection heat pump unit - Google Patents
A kind of second level parallel connection heat pump unit Download PDFInfo
- Publication number
- CN109751769A CN109751769A CN201711060210.XA CN201711060210A CN109751769A CN 109751769 A CN109751769 A CN 109751769A CN 201711060210 A CN201711060210 A CN 201711060210A CN 109751769 A CN109751769 A CN 109751769A
- Authority
- CN
- China
- Prior art keywords
- heat
- pump unit
- heat pump
- exchanging component
- solenoid valve
- 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.)
- Pending
Links
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of second level parallel connection heat pump unit, the first heat pump unit and the second heat pump unit including two settings parallel with one another are equipped with heat exchange unit between first heat pump unit and the second heat pump unit.Lower hot water step can be heated to higher temperature, cold water then cools down according to the direction step for heating up opposite with hot water, increases hot water and cold water in the temperature difference of heat pump import and export, improve the comprehensive energy utilization efficiency of system.
Description
Technical field
The present invention relates to the invention belongs to technical field of heat pumps, it is related to a kind of second level parallel connection heat pump unit.
Background technique
With reaching its maturity for heat pump techniques, it is various using underground water, surface water or industrial waste water etc. be heat source heat
Pump technology has been widely used in refrigeration, heating and hot water supply system.The coefficient of performance height of heat pump unit is to determine
An important factor for efficiency of energy utilization.Ground (water) source heat pump unit, can be significantly using the method for operation of big " the big temperature difference, small flow "
The transmission & distribution energy consumption of reduction system and the investment of pipe network system.Commonly (water) source heat pump unit takes " the big temperature difference, small flow "
The method of operation when, in the case where inflow temperature is certain, can make hot water supply water temperature increase, Cold water-out temperature reduce, from
And lead to the raising of condensing pressure and the reduction of evaporating pressure, cause coefficient of performance (COP) to reduce, efficiency of energy utilization drop
It is low.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the object of the present invention is to provide a kind of structure is simple, for commonly
When (water) source heat pump unit takes the method for operation of " the big temperature difference, small flow ", existing coefficient of performance (COP) reduces,
The problem of efficiency of energy utilization reduces, and one kind is provided and takes the method for operation of " the big temperature difference, small flow " in hot and cold source
When, a kind of second level that the energy utilization rate of the more common heat pump unit of the efficiency of energy utilization of unit is improved significantly is in parallel
Heat pump unit.
In order to achieve the above objectives, the present invention uses following technical scheme, a kind of second level parallel connection heat pump unit, including two phases
The first heat pump unit and the second heat pump unit being mutually arranged in parallel are set between first heat pump unit and the second heat pump unit
There is heat exchange unit；
First heat pump unit includes the first evaporator, the first compressor, the first solenoid valve and the first condenser, institute
The cold water inlet for stating the first heat pump unit is connected to the entrance of the first evaporator, the outlet of first evaporator and the first pressure
The entrance of contracting machine is connected to, and the outlet of first compressor is changed with the entrance of the first solenoid valve by first in heat exchange unit
Hot component connection, the outlet of first solenoid valve are connected to the entrance of the first condenser, the outlet of first condenser
It is connected to the hot water outlet of the first heat pump unit；
Second heat pump unit includes the second condenser, the second compressor, second solenoid valve and the second evaporator, institute
The hot water inlet for the second heat pump unit stated is connected to the entrance of the second condenser, the outlet and second of second condenser
The entrance of compressor is connected to, and the outlet of second compressor and the entrance of second solenoid valve pass through second in heat exchange unit
Heat-exchanging component connection, the outlet of the second solenoid valve are connected to the entrance of the second evaporator, second evaporator
Outlet is connected to the cooling water outlet of the second heat pump unit；
The first heat-exchanging component and the second heat-exchanging component in the heat exchange unit are oppositely arranged.
The heat exchange unit includes thermal-insulating body, and first heat-exchanging component and the second heat-exchanging component are located at the heat preservation
In cabinet, and in the thermal-insulating body be equipped with temperature sensor, the temperature sensor respectively with the first solenoid valve and second solenoid valve
Electrical connection.
First heat-exchanging component and the second heat-exchanging component is all that multiple U-tubes made of copper pipe are connected to end group
At, and the distance between first heat-exchanging component and the second heat-exchanging component are-cm.
First heat-exchanging component and the second heat exchange group valence is all fin made of aluminum, and this has fin made of aluminium
The first heat-exchanging component and the second heat-exchanging component of shape intersect setting.
It is additionally provided with heating component in the thermal-insulating body, heating component setting exchanges heat in the first heat-exchanging component and second
Between component, and the heating component heat is located at the power electric connection in the electric control box at the top of thermal-insulating body.
The heating component includes the insulating bar being fixedly connected vertical with thermal-insulating body top and is wrapped on insulating bar
Electric heating wire.
The power supply is fixedly mounted on the mounting plate being equipped in electric control box, and micro- place is additionally provided on the mounting plate
Device is managed, the input terminal of the microprocessor is electrically connected with temperature sensor, and the output end of the microprocessor is respectively with the
One solenoid valve, second solenoid valve and the control switch set on a mounting board are electrically connected, and the power supply and heating component pass through control
System switch electrical connection.
Pipeline, the second heat-exchanging component and the second heat pump unit that first heat-exchanging component is connected to the first heat pump unit connect
Sealing thermal insulation circle is equipped between logical pipeline and thermal-insulating body.
The beneficial effects of the present invention are: structure is simple, the cooling direction in the hot water heating direction and cold water that are generated in heat pump
Progress heat, reduces the temperature difference of evaporator and condenser in heat-exchanging component, reduces irreversible heat transfer loss, and unit is whole
The coefficient of performance be improved；In such a way that heat pump unit is in parallel, the hot water and cold water that respectively generate by heat-exchanging component into
Row heat exchange, can choose different heat pump units according to the operating condition of different temperature gradient sections, guarantee that every heat pump can be in its height
Imitate operating condition operation；By the way of the lifting of temperature step, the hot water of available higher temperature, while can also be made according to user
With hot water demand, the leaving water temperature of hot water is adjusted by control operation of heat pump number of units；The confession of hot water or cold water, backwater temperature difference compared with
Greatly, the transmission & distribution energy consumption and pipe network investment of system are reduced.It, can will be compared with when using " the big temperature difference, small flow " method of operation
Low hot water step is heated to higher temperature, and cold water then cools down according to the direction step for heating up opposite with hot water, increases heat
Water and cold water improve the comprehensive energy utilization efficiency of system in the temperature difference of heat pump import and export.
Detailed description of the invention
Fig. 1 is pipeline jointing construction schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of heat-exchanging component in the present invention；
In figure: 1. first heat pump units；2. heat exchange unit；3. the second heat pump unit；4. cold water inlet；5. hot water outlet；
6. hot water inlet；7. cooling water outlet；101. the first evaporator；102. the first compressor；103. the first solenoid valve；104. first is cold
Condenser；201. first heat-exchanging components；202. second heat-exchanging components；203. thermal-insulating body；204. temperature sensor；205. electric control
Case；206. mounting plate；207. microprocessor；208. power supply；209. control switch；210. sealing thermal insulation circles；211. electric heating wire；
212. insulating bar；301. second condensers；302. second compressors；303. second solenoid valve；304. second evaporators.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
Embodiment 1
A kind of second level parallel connection heat pump unit as described in Figure 1,1 He of the first heat pump unit including two settings parallel with one another
Second heat pump unit 3 is equipped with heat exchange unit 2 between first heat pump unit 1 and the second heat pump unit 3；Described first
Heat pump unit 1 is mainly used for heating in cold water, and second heat pump unit 2 is mainly to entering the second heat pump unit
Hot water in 2 cools down, and the heat exchange unit 2 is mainly the hot water and the second heat pump list that will be heated in the first heat pump unit
The water to cool down in member exchanges heat, and the heating and cooling of gradient may be implemented, and reduces the temperature difference of evaporator and condenser, reduces
Irreversible heat transfer loss, the coefficient of performance of unit entirety are improved.
First heat pump unit 1 includes the first evaporator 101, the first compressor 102, the first solenoid valve 103 and the
One condenser 104, the cold water inlet 4 of first heat pump unit 1 are connected to the entrance of the first evaporator 101, and described first
The outlet of evaporator 101 is connected to the entrance of the first compressor 102, the outlet of first compressor 102 and the first electromagnetism
The entrance of valve 103 passes through the first heat-exchanging component 201 connection in heat exchange unit 2, the outlet and first of first solenoid valve 103
The entrance of condenser 104 is connected to, and the outlet of first condenser 104 is connected to the hot water outlet 5 of the first heat pump unit 1；
At work cold water by cold water inlet enter to be heated in the first evaporator 101, the water after heating by compressor into
The first heat-exchanging component 201 entered into heat exchange unit exchanges heat with the second heat-exchanging component, and the water after heat exchange enters solenoid valve
It is discharged in the first condenser 104, and through hot water outlet, for using.
Second heat pump unit 3 includes the second condenser 301, the second compressor 302, second solenoid valve 303 and the
The hot water inlet 6 of two evaporators 304, second heat pump unit 3 is connected to the entrance of the second condenser 301, and described
The outlet of two condensers 301 is connected to the entrance of the second compressor 302, the outlet of second compressor 302 and the second electricity
The entrance of magnet valve 303 by the second heat-exchanging component 202 connection in heat exchange unit 2, the outlet of the second solenoid valve 303 with
The entrance of second evaporator 304 is connected to, and the outlet of second evaporator 304 connects with the cooling water outlet 7 of the second heat pump unit 3
It is logical；At work, hot water enters this evening cooling in the second condenser by hot water inlet, and the water after cooling passes through the second compression
Machine is electric by second after entering in heat exchange unit and being exchanged heat by the second heat-exchanging component 202 and the first heat-exchanging component 201
Magnet valve and the second evaporator are discharged by cooling water outlet, for using；
The first heat-exchanging component 201 and the second heat-exchanging component 202 in the heat exchange unit 2 are oppositely arranged, and described first
Heat-exchanging component 201 and the second heat-exchanging component 202 are oppositely arranged, it is ensured that the first heat-exchanging component 201 and the second heat-exchanging component 202
The distance between it is closer, the efficiency of heat exchange is relatively high, using the flow of solenoid valve control hot water or cold water, may be implemented " big
When the temperature difference, small flow " method of operation, lower hot water step can be heated to higher temperature, cold water then according to hot water
The direction step cooling for heating up opposite, increases hot water and cold water in the temperature difference of heat pump import and export, improves the synthesis energy of system
Source utilization efficiency.
Embodiment 2
On the basis of embodiment 1, the heat exchange unit 2 as shown in Figure 2 includes thermal-insulating body 203, and described the
One heat-exchanging component 201 and the second heat-exchanging component 202 are located in the thermal-insulating body 203, and are equipped with temperature in the thermal-insulating body 203 and are passed
Sensor 204, the temperature sensor 204 are electrically connected with the first solenoid valve 103 and second solenoid valve 303 respectively.The temperature passes
Sensor 204 is used to detect the temperature in thermal-insulating body 203, and controls the first solenoid valve and the second electromagnetism by the temperature of the detection
The opening and closing degree of valve, for example when the temperature is excessively high, the flow of the first solenoid valve of control reduces, the flow for controlling second solenoid valve increases
Greatly, when the temperature is too low, the flow for controlling the first solenoid valve increases, and the flow for controlling second solenoid valve is smaller.The heat preservation simultaneously
The thermal insulation property of cabinet is coated with the effect that one layer of heat preservation layer reinforce heat preservation outside thermal-insulating body.
Further in order to guarantee heat exchange efficiency, first heat-exchanging component 201 and the second heat-exchanging component 202 all
Be that multiple U-tubes made of copper pipe are connected to end and form, and first heat-exchanging component 201 and the second heat-exchanging component 202 it
Between distance be 1-10cm.
Further, in order to guarantee heat exchange after warm water temperature, be additionally provided in the thermal-insulating body 203 plus
Hot component, which is arranged between the first heat-exchanging component 201 and the second heat-exchanging component 202, and the heating component heat is set
Power supply 208 in the electric control box 205 at 203 top of thermal-insulating body is electrically connected.The heating component is important to be used for heater incubator
Environment temperature in body, and then the heat exchange efficiency of less hot water, guarantee the temperature of hot water.
The heating component includes the insulating bar 212 being fixedly connected vertical with 203 top of thermal-insulating body and is wrapped in absolutely
Electric heating wire 211 on edge stick 212.
Further, in order to guarantee to automatically control, the power supply 208, which is fixedly mounted in electric control box 205, to be set
On some mounting plates 206, microprocessor 207, the input terminal of the microprocessor 207 are additionally provided on the mounting plate 206
Be electrically connected with temperature sensor 204, the output end of the microprocessor 207 respectively with the first solenoid valve 103, second solenoid valve
303 are electrically connected with the control switch 209 being located on mounting plate 208, and the power supply 208 and heating component pass through control switch
209 electrical connections.At work, the temperature that temperature sensor will test is sent in microprocessor, and microprocessor is according to reception
To temperature and the temperature of setting compare, the first solenoid valve 103, second solenoid valve 303 are controlled according to the result of comparison
Folding condition and control switch whether power supply and heating component are connected, microprocessor and temperature sensor are all these herein
The common knowledge of technical field is not just described in detail its structure and model herein, and the power supply, which can be, to be filled
Battery can also with when municipal administration electricity consumption.
Further, in order to guaranteeing the seal box of thermal-insulating body, first heat-exchanging component 201 and the first heat pump unit
1 connection pipeline, the second heat-exchanging component 202 between the second pipeline be connected to of heat pump unit 3 and thermal-insulating body 203 be equipped with seal
Insulation ring 210.
Embodiment 3
On the basis of being embodiment 1, first heat-exchanging component 201 and the second heat exchange group valence 202 are all by aluminum
At fin, and this has the first heat-exchanging component 201 of fin made of aluminium and the second heat-exchanging component 202 to intersect setting.
First heat-exchanging component 201 and the second heat-exchanging component 202 is adopted and is formed from aluminium, and the performance of heat exchange is higher, is carried out using fin
Heat exchange, improves the area of heat exchange, arranged in a crossed manner to be rapidly performed by heat exchange.
Above embodiments are only to of the invention for example, do not constitute the limitation to protection scope of the present invention,
Within the same or similar design of all and present invention all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of second level parallel connection heat pump unit, which is characterized in that the first heat pump unit (1) including two settings parallel with one another and
Second heat pump unit (3) is equipped with heat exchange unit (2) between first heat pump unit (1) and the second heat pump unit (3)；
First heat pump unit (1) includes the first evaporator (101), the first compressor (102), the first solenoid valve (103)
With the first condenser (104), the cold water inlet (4) of first heat pump unit (1) and the entrance of the first evaporator (101) connect
Logical, the outlet of first evaporator (101) is connected to the entrance of the first compressor (102), first compressor
(102) outlet is connected to the entrance of the first solenoid valve (103) by the first heat-exchanging component (201) in heat exchange unit (2), institute
The outlet for stating the first solenoid valve (103) is connected to the entrance of the first condenser (104), and first condenser (104) goes out
Mouth is connected to the hot water outlet (5) of the first heat pump unit (1)；
Second heat pump unit (3) includes the second condenser (301), the second compressor (302), second solenoid valve (303)
With the second evaporator (304), the hot water inlet (6) of second heat pump unit (3) and the entrance of the second condenser (301) connect
Logical, the outlet of second condenser (301) is connected to the entrance of the second compressor (302), second compressor
(302) outlet is connected to the entrance of second solenoid valve (303) by the second heat-exchanging component (202) in heat exchange unit (2), institute
The outlet for the second solenoid valve (303) stated is connected to the entrance of the second evaporator (304), second evaporator (304)
Outlet is connected to the cooling water outlet (7) of the second heat pump unit (3)；
The first heat-exchanging component (201) and the second heat-exchanging component (202) in the heat exchange unit (2) are oppositely arranged.
2. a kind of second level parallel connection heat pump unit according to claim 1, which is characterized in that the heat exchange unit (2)
Including thermal-insulating body (203), first heat-exchanging component (201) and the second heat-exchanging component (202) are located at the thermal-insulating body
(203) in, and temperature sensor (204) are equipped in the thermal-insulating body (203), the temperature sensor (204) is electric with first respectively
Magnet valve (103) and second solenoid valve (303) electrical connection.
3. a kind of second level parallel connection heat pump unit according to claim 2, which is characterized in that first heat-exchanging component
(201) and the second heat-exchanging component (202) is all that multiple U-tubes made of copper pipe are connected to end and form, and first heat exchange
The distance between component (201) and the second heat-exchanging component (202) are 1-10cm.
4. a kind of second level parallel connection heat pump unit according to claim 2, which is characterized in that first heat-exchanging component
(201) and the second heat exchange group valence (202) is all fin made of aluminum, and this has the first heat-exchanging component of fin made of aluminium
(201) it intersects setting with the second heat-exchanging component (202).
5. a kind of second level parallel connection heat pump unit according to claim 3, which is characterized in that the thermal-insulating body (203)
It is inside additionally provided with heating component, which is arranged between the first heat-exchanging component (201) and the second heat-exchanging component (202), and
The heating component heat is located at the electrical connection of the power supply (208) in the electric control box (205) at the top of thermal-insulating body (203).
6. a kind of second level parallel connection heat pump unit according to claim 5, which is characterized in that the heating component include with
The insulating bar (212) being vertically fixedly connected and the electric heating wire being wrapped on insulating bar (212) at the top of thermal-insulating body (203)
(211)。
7. a kind of second level parallel connection heat pump unit according to claim 5, which is characterized in that the power supply (208) is fixed
It is mounted on the mounting plate (206) being equipped in electric control box (205), the mounting plate is additionally provided with microprocessor on (206)
(207), the input terminal of the microprocessor (207) is electrically connected with temperature sensor (204), the microprocessor (207)
Output end respectively with the first solenoid valve (103), second solenoid valve (303) and the control switch being located on mounting plate (208)
(209) it is electrically connected, the power supply (208) is electrically connected with heating component by control switch (209).
8. a kind of second level parallel connection heat pump unit according to claim 2, which is characterized in that first heat-exchanging component
(201) pipeline that pipeline, the second heat-exchanging component (202) being connected to the first heat pump unit (1) are connected to the second heat pump unit (3)
Sealing thermal insulation circle (210) are equipped between thermal-insulating body (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060210.XA CN109751769A (en) | 2017-11-01 | 2017-11-01 | A kind of second level parallel connection heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060210.XA CN109751769A (en) | 2017-11-01 | 2017-11-01 | A kind of second level parallel connection heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751769A true CN109751769A (en) | 2019-05-14 |
Family
ID=66398233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711060210.XA Pending CN109751769A (en) | 2017-11-01 | 2017-11-01 | A kind of second level parallel connection heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751769A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500638A (en) * | 2019-09-18 | 2019-11-26 | 临沂智慧新能源科技有限公司 | One kind energy-saving secondary station heat pump unit Internet-based and control method |
-
2017
- 2017-11-01 CN CN201711060210.XA patent/CN109751769A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500638A (en) * | 2019-09-18 | 2019-11-26 | 临沂智慧新能源科技有限公司 | One kind energy-saving secondary station heat pump unit Internet-based and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106468477A (en) | Solar heat pump water heater and control method | |
| CN104819569A (en) | Air source heat pump heating type water heater device | |
| CN107327997A (en) | Air-conditioning system | |
| CN103134186A (en) | Multiple-cavity heat preservation water tank free of water mixing | |
| CN204787425U (en) | Prepare hydrothermal circulation system of high temperature | |
| CN105066519B (en) | A kind of dry evaporator and the refrigeration system with the dry evaporator | |
| CN107014075A (en) | Unit dual temperature area Teat pump boiler | |
| CN106996643A (en) | A kind of multifunctional heat pump water heating machine group | |
| CN207662006U (en) | A kind of two level parallel connection heat pump unit | |
| CN109751769A (en) | A kind of second level parallel connection heat pump unit | |
| CN102645044A (en) | Direct-expansion solar heat pump water heating system | |
| CN202792568U (en) | Directly-heated water tank heating water flow path system | |
| CN207422670U (en) | Split hot pump water heater | |
| CN206595962U (en) | The thermoelectric cold integral system that a kind of solar energy highly effective is utilized | |
| CN206291532U (en) | Produce the multi-level condensation heat pumping system of high-temperature-hot-water | |
| CN105698303A (en) | Cooling system for aging room | |
| CN205138004U (en) | Evaporative condenser | |
| CN201302293Y (en) | Multifunctional heat preservation water tank | |
| CN203533777U (en) | Preheating device of air conditioner humidifier | |
| CN202770052U (en) | Cool-air water heater with titanium pipe sleeved on copper pipe heat exchanger | |
| CN206787050U (en) | Unit dual temperature area Teat pump boiler | |
| CN207473437U (en) | A kind of double mode handover control system of automatic steam control and electric heating control | |
| CN207649100U (en) | A kind of air energy heat pump water heater | |
| CN207488844U (en) | The temperature control system of small size vacuum cavity | |
| CN206377890U (en) | A kind of solar energy vortex tube heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190514 |