CN108019938A - Domestic normal-pressured Teat pump boiler - Google Patents
Domestic normal-pressured Teat pump boiler Download PDFInfo
- Publication number
- CN108019938A CN108019938A CN201610935660.8A CN201610935660A CN108019938A CN 108019938 A CN108019938 A CN 108019938A CN 201610935660 A CN201610935660 A CN 201610935660A CN 108019938 A CN108019938 A CN 108019938A
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- China
- Prior art keywords
- water
- ports
- attemperater
- level sensor
- pressured
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of domestic normal-pressured Teat pump boiler, including attemperater, heat exchanger, heat pump system, electric three-way regulating valves, water pump, flow sensor and water level sensor；Electric three-way regulating valves are equipped with a, b, c port, and a ports are connected with the apopore of attemperater, and b ports are connected by water pump and the inlet communication of water stream channel, c ports with water inlet pipe；Flow sensor is arranged at b ports；The water level sensor is located in attemperater；Pressure switch and water flow switch and hot water outlet pipe are additionally provided between the apopore of the attemperater and a ports.Such domestic normal-pressured Teat pump boiler can control water pump, realize that circulating-heating is run with reference to water level, hydraulic pressure and current；Also water velocity can be controlled by electric three-way regulating valves, the water for entering heat exchanger directly is heated to design temperature and is stored to attemperater so that leaving water temperature and water pressure invariableness.
Description
Technical field
The present invention relates to Teat pump boiler technical field, particularly a kind of domestic normal-pressured Teat pump boiler.
Background technology
China Patent No. CN201020209345.5 disclosed a kind of Teat pump boiler on January 26th, 2011, including
Host, heating water tank, water tank, being connected with each other between the host and heating water tank has outlet pipe, water inlet pipe, wherein on outlet pipe
Water circulating pump is connected to, triple valve is connected on water inlet pipe, the water tank is connected by connecting tube with triple valve, when host water outlet
Temperature reach design temperature after, the water in heating water tank by host while heated, while be pumped to water tank.The structure
Deficiency is that volume is big, of high cost.
The content of the invention
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, and provide a kind of simple and reasonable for structure, body
Long-pending domestic normal-pressured Teat pump boiler small, that there is directly-heated operation and circulating-heating, leaving water temperature and water pressure invariableness.
The object of the present invention is achieved like this：
A kind of domestic normal-pressured Teat pump boiler, including attemperater, heat exchanger and heat pump system, heat exchanger are equipped with mutually heat exchange
Refrigerant passage and water stream channel, refrigerant passage and heat pump system connect into circuit, and water stream channel is equipped with inlet and outlet, import
Inflow temperature sensor and leaving water temperature sensors are respectively equipped with exit, attemperater is equipped with inlet opening and apopore, into
Water hole and the outlet of water stream channel；It is characterized in that：Further include electric three-way regulating valves, water pump, flow sensor and water
Level sensor；The electric three-way regulating valves are equipped with the apopore of a ports, b ports and c ports, a ports and attemperater
Connection, b ports are connected by water pump and the inlet communication of water stream channel, c ports with water inlet pipe；The flow sensor is set
At the b ports of electric three-way regulating valves；The water level sensor is located in attemperater；The apopore of the attemperater
Pressure switch and water flow switch and hot water outlet pipe are additionally provided between a ports of electric three-way regulating valves.It is right in attemperater
It is corresponding moisture storage capacity to answer height and position residing for water level sensor, when cistern water level is less than lower water level（Height position residing for lower water level
The moisture storage capacity put is greater than or equal to water stream channel moisture storage capacity）When, stop water pump and supply water, avoid entering air inside water pump.
The purpose of the present invention can also use following technical measures to solve：
As more specifically a kind of scheme, the water level sensor include set from top to bottom the first water level sensor, second
Water level sensor, the 3rd water level sensor, lower water level sensor and public water level sensor；The inlet opening and apopore difference
The top and lower part of attemperater are arranged on, where public water level sensor is located at apopore below plane.
The apopore of the attemperater is connected with one end of a three-way pipe, and the other both ends of three-way pipe form two branch
Road, wherein, a branch is connected by check-valves with the hot water outlet pipe, a ports of another branch and electric three-way regulating valves
Connection.
The hot water outlet pipe is equipped with the pressure switch, water flow switch and accumulator.
Overflow port and sewage draining exit are respectively equipped with the top and bottom of the attemperater, overflow port is connected with drainpipe.
The heat pump system includes compressor, evaporator, electric expansion valve and four-way valve, four ports that four-way valve is set point
One end of the gas returning port of exhaust outlet, compressor, one end of evaporator and heat exchanger refrigerant passage not with compressor is connected, heat exchange
The other end of device refrigerant passage is connected by the other end of the electric expansion valve and evaporator；Wind is equipped with by the evaporator
Machine.
The exhaust ports of the compressor are equipped with exhaust gas temperature sensor and high-voltage switch gear, are equipped with the gas returning port of compressor
Suction temperature sensor and low tension switch.
Beneficial effects of the present invention are as follows：
（1）Such domestic normal-pressured Teat pump boiler can control water pump, realize circulating-heating with reference to water level, hydraulic pressure and current
Operation；Also can by electric three-way regulating valves control water velocity, with directly by enter heat exchanger water be heated to design temperature,
And store to attemperater so that leaving water temperature and water pressure invariableness；
（2）The water pump of such domestic normal-pressured Teat pump boiler can also have pressurization, and when hydraulic pressure is too low, it is real to start water pump
Now pressurize.
Brief description of the drawings
Fig. 1 is one embodiment of the invention structure diagram.
Embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
Join as shown in Figure 1, a kind of domestic normal-pressured Teat pump boiler, including attemperater 1, heat exchanger 9（Heat exchange sleeve）
And heat pump system, heat exchanger 9 are equipped with the refrigerant passage and water stream channel mutually to exchange heat, refrigerant passage passes through refrigerant pipe 10 and heat
Pumping system connects into circuit, and water stream channel is equipped with import 92 and outlet 93, is respectively equipped with import 92 and outlet 93 into water temperature
Degree sensor 91 and leaving water temperature sensors 94, attemperater 1 are equipped with inlet opening 14 and apopore 12, inlet opening 14 and water
The outlet 93 of circulation road connects；It is characterized in that：Further include electric three-way regulating valves 3, water pump 4, flow sensor LC and water
Level sensor；The electric three-way regulating valves 3 are equipped with a ports, b ports and c ports, and a ports go out with attemperater 1
Water hole 12 connects, and b ports are connected by water pump 4 with the import 92 of water stream channel, and c ports are connected with water inlet pipe 31；Institute
Flow sensor LC is stated to be arranged at the b ports of electric three-way regulating valves 3；The water level sensor is located at attemperater 1
Interior, it is corresponding moisture storage capacity that height and position residing for water level sensor is corresponded in attemperater；The apopore of the attemperater 1
Pressure switch YL, water flow switch SL and hot water outlet pipe 22 are additionally provided between 12 and a ports of electric three-way regulating valves 3.
The first water level sensor SW1, the second water level sensor SW2, the 3rd from top to bottom are equipped with the attemperater 1
Water level sensor SW3, lower water level sensor SW4 and public water level sensor SW5；The inlet opening 14 and apopore 12 divide
The top and lower part of attemperater 1 are not arranged on, and height and position residing for lower water level sensor SW4 is corresponded in attemperater 1
Moisture storage capacity is greater than or equal to water stream channel moisture storage capacity, and public water level sensor SW5 is located at below 12 place plane of apopore.
The apopore 12 of the attemperater 1 is connected with one end of a three-way pipe 2, the other both ends shape of three-way pipe 2
Into two branches, wherein, a branch is connected by check-valves 21 with the hot water outlet pipe 22, another branch and electric three passes
The a ports connection of regulating valve 3.
The hot water outlet pipe 22 is equipped with the pressure switch YL, the water flow switch SL and accumulator 23.
The top and bottom of the attemperater 1 are respectively equipped with overflow port 15 and sewage draining exit 11, overflow port 15 and row
Water pipe 16 connects.
The heat pump system includes compressor 5, evaporator 7, electric expansion valve 6 and four-way valve 8, four-way valve 8 set four
The exhaust outlet 51 with compressor 5, the gas returning port 52 of compressor 5, one end of evaporator 7 and heat exchanger 9 are cold respectively for a port
One end connection of matchmaker's passage, the other end of 9 refrigerant passage of heat exchanger are another by the electric expansion valve 6 and evaporator 7
End connection；The side of evaporator 7 is equipped with wind turbine.
Pressure temperature sensor 53 and high-voltage switch gear GY, compressor 5 are equipped with the exhaust outlet 51 of the compressor 5
Gas returning port 52 at be equipped with push back temperature sensor 54 and low tension switch DY.
The A directions of arrow are hot water direction in Fig. 1, and the B directions of arrow are into tap water direction.
A kind of control method of domestic normal-pressured Teat pump boiler, it is with two kinds of directly-heated operating status and circulating-heating state
Heating mode.
Under the directly-heated operating status, the b ports of electric three-way regulating valves 3 are connected with c ports, start heat pump system
System, the experience that being calculated according to environment temperature and design temperature to reach calculate water flow, and another electric three-way regulating valves 3 are according to warp
Test calculating water flow and adjust its aperture, to control actual water flow（Present flow rate）It is close with experience calculating water flow, so that real
Now by controlling water velocity come adjusting water outlet temperature.
Under directly-heated operating status, wind turbine first opens 5 seconds, and then compressor 5 is opened.As T2=TS-12, according to each
Kind of type calculates the flow that should reach under different circumstance temperatures and design temperature, electric three-way regulating valves 3 open count to LC=L greatly ±
After 0.1,30 second, detection T2=TS+1^-2 DEG C when, electric three-way regulating valves 3 do not adjust (the preceding secondary not super TS of T2 water temperatures,
Do not make adjustments)；T2 exceedes calculates flow with formula LAn=÷ { (TS-T1)-［ T2n-T2 (n-1) ］ }, when LAn is less than most
During small flow, by minimum discharge；When secondary calculate less than 0.1, by 0.1.Compressor 5 run 3 minutes after it is any when
Wait, during 85 DEG C of the delivery temperature ＞ of compressor 5, open big electric expansion valve 8B immediately（The delivery temperature ＞ 90 of compressor 5
DEG C when, open big electric expansion valve 16B immediately, during 95 DEG C of delivery temperature ＞, open big electric expansion valve 24B immediately）.Compressor 5
65 DEG C of delivery temperature ＜ when, turn down electric expansion valve 8B immediately.Overtemperature regulating cycle is 45 seconds.Delivery temperature is in 65-85
Between regulating cycle be 90 seconds, adjust step valve be 4B；Delivery temperature is uncomfortable between 82-85 DEG C.When electronic expansion valve regulation
After pulse ＜ 80Hz, it is 2B to adjust step valve；Delivery temperature is uncomfortable between 65-80 DEG C.
Above-mentioned L meters:Experience calculates water flow（Unit L/min）；LAn:It is current to calculate the stream that be adjusted to after flow
Amount（Unit L/min）；N is the number calculated；LA(n-1):The current last computation flow calculated in flow, is counted for the first time
Unit of account is calculated as with L during calculation（Unit L/min）；LC:Present flow rate（Unit L/min）；T2n ：What is currently measured goes out water temperature
Degree, the leaving water temperature that T2 (n-1) last time measures, T2n-T2 (n-1) the i.e. temperature rises of this section；TS ：Design temperature；T1 ：Into
Coolant-temperature gage；T2 ：Leaving water temperature.Present flow rate is measured by flow sensor LC, and leaving water temperature passes through leaving water temperature sensors
94 measure, and inflow temperature is measured by inflow temperature sensor 91.Delivery temperature is measured by pressure temperature sensor 53.
Instantly when water level sensor SW4 detects its present position and has water, circulating-heating state could start, and start heat
Pumping system, at this time a ports of electric three-way regulating valves 3 connected with b ports, control water pump 4 to open with reference to current, hydraulic pressure
Stop, meanwhile, electric expansion valve adjusts the aperture of electric expansion valve according to 5 exhaust outlet of compressor, 51 temperature in heat pump system,
To realize that the water to attemperater 1 carries out circulating-heating；Instantly water level sensor SW4 detect its present position it is anhydrous when,
Water pump 4 stops, not being under the orders of current and hydraulic drives.
Under circulating-heating state, wind turbine first opens 5 seconds, and then compressor 5 is opened.Water pump 4 can be with 30 minutes
Started by current, hydraulic pressure switch control.Run compressor 5 run 3 minutes after whenever, the delivery temperature of compressor 5
During 85 DEG C of ＞, big electric expansion valve 8B is opened immediately（During 90 DEG C of the delivery temperature ＞ of compressor 5, big electronic expansion is opened immediately
When 95 DEG C of valve 16B, delivery temperature ＞, big electric expansion valve 24B is opened immediately）.During 65 DEG C of the delivery temperature ＜ of compressor 5,
Electric expansion valve 8B is turned down immediately.Overtemperature regulating cycle is 45 seconds.Delivery temperature regulating cycle between 65-85 is 90 seconds,
It is 4B to adjust step valve；Delivery temperature is uncomfortable between 82-85 DEG C.After electronic expansion valve regulation pulse ＜ 80Hz, step is adjusted
Valve is 2B；Delivery temperature is uncomfortable between 65-80 DEG C.If lower water level sensor SW4 detect its present position it is anhydrous when, water
Pump 4 is at once out of service.
Claims (7)
1. a kind of domestic normal-pressured Teat pump boiler, including attemperater, heat exchanger and heat pump system, heat exchanger is equipped with mutually heat exchange
Refrigerant passage and water stream channel, refrigerant passage and heat pump system connect into circuit, and water stream channel is equipped with inlet and outlet, import
Inflow temperature sensor and leaving water temperature sensors are respectively equipped with exit, attemperater is equipped with inlet opening and apopore, into
Water hole and the outlet of water stream channel；
It is characterized in that：Further include electric three-way regulating valves, water pump, flow sensor and water level sensor；The electric three passes
Regulating valve is equipped with a ports, b ports and c ports, and a ports are connected with the apopore of attemperater, b ports by water pump with
The inlet communication of water stream channel, c ports are connected with water inlet pipe；
The flow sensor is arranged at the b ports of electric three-way regulating valves；
The water level sensor is located in attemperater；
Pressure switch and water flow switch are additionally provided between the apopore of the attemperater and a ports of electric three-way regulating valves
And hot water outlet pipe.
2. the domestic normal-pressured Teat pump boiler according to claim 1, it is characterised in that：The water level sensor is included from upper
To the first water level sensor of lower setting, the second water level sensor, the 3rd water level sensor, lower water level sensor and public water level
Sensor；
The inlet opening and apopore are separately positioned on the top and lower part of attemperater, and public water level sensor is located at apopore
Below the plane of place.
3. the domestic normal-pressured Teat pump boiler according to claim 1, it is characterised in that：The apopore of the attemperater with
One end connection of one three-way pipe, the other both ends of three-way pipe form two branches, wherein, a branch passes through check-valves and the heat
Water outlet pipe connects, and another branch is connected with a ports of electric three-way regulating valves.
4. the domestic normal-pressured Teat pump boiler according to claim 1, it is characterised in that：The hot water outlet pipe is equipped with institute
State pressure switch, the water flow switch and accumulator.
5. the domestic normal-pressured Teat pump boiler according to claim 1, it is characterised in that：The top and bottom of the attemperater
Portion is respectively equipped with overflow port and sewage draining exit, and overflow port is connected with drainpipe.
6. the domestic normal-pressured Teat pump boiler according to claim 1, it is characterised in that：The heat pump system includes compression
Machine, evaporator, electric expansion valve and four-way valve, four ports that four-way valve the is set exhaust outlet with compressor, compressor respectively
Gas returning port, one end of evaporator are connected with one end of heat exchanger refrigerant passage, and the other end of heat exchanger refrigerant passage passes through described
The other end of electric expansion valve and evaporator connects；Wind turbine is equipped with by the evaporator.
7. the domestic normal-pressured Teat pump boiler according to claim 6, it is characterised in that：The exhaust ports of the compressor are set
There are exhaust gas temperature sensor and high-voltage switch gear, suction temperature sensor and low tension switch are equipped with the gas returning port of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935660.8A CN108019938A (en) | 2016-11-01 | 2016-11-01 | Domestic normal-pressured Teat pump boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935660.8A CN108019938A (en) | 2016-11-01 | 2016-11-01 | Domestic normal-pressured Teat pump boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108019938A true CN108019938A (en) | 2018-05-11 |
Family
ID=62070546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935660.8A Withdrawn CN108019938A (en) | 2016-11-01 | 2016-11-01 | Domestic normal-pressured Teat pump boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108019938A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212962A1 (en) | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Water heating unit |
| WO2021212956A1 (en) | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Control method for hot water unit |
-
2016
- 2016-11-01 CN CN201610935660.8A patent/CN108019938A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212962A1 (en) | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Water heating unit |
| WO2021212956A1 (en) | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Control method for hot water unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180511 |
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| WW01 | Invention patent application withdrawn after publication |