CN204115220U - Domestic normal-pressured Teat pump boiler - Google Patents
Domestic normal-pressured Teat pump boiler Download PDFInfo
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- CN204115220U CN204115220U CN201420580297.9U CN201420580297U CN204115220U CN 204115220 U CN204115220 U CN 204115220U CN 201420580297 U CN201420580297 U CN 201420580297U CN 204115220 U CN204115220 U CN 204115220U
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- attemperater
- level sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 3
- 239000003507 refrigerant Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000008236 heating water Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a kind of domestic normal-pressured Teat pump boiler, comprises attemperater, heat exchanger, heat pump, electric three-way regulating valves, water pump, flow sensor and level sensor; Electric three-way regulating valves is provided with a, b, c port, and a port is communicated with the apopore of attemperater, and b port is by the inlet communication of water pump and water stream channel, and c port is communicated with water inlet pipe; Flow sensor is arranged on b port; Described level sensor is positioned at attemperater; Pressure switch and water flow switch and hot water outlet pipe is also provided with between the apopore of described attemperater and a port.This kind of domestic normal-pressured Teat pump boiler can control water pump in conjunction with water level, hydraulic pressure and current, realize circulating-heating operation; Also control water velocity by electric three-way regulating valves, the water entering heat exchanger be heated to design temperature with direct and deposit to attemperater, making leaving water temperature and water pressure invariableness.
Description
Technical field
The utility model relates to Teat pump boiler technical field, particularly a kind of domestic normal-pressured Teat pump boiler.
Background technology
China Patent No. CN201020209345.5 discloses a kind of Teat pump boiler on January 26th, 2011, comprise main frame, heating water tank, storage tank, outlet pipe, water inlet pipe has been interconnected between described main frame and heating water tank, wherein outlet pipe is connected to water circulating pump, water inlet pipe is connected to triple valve, and described storage tank is connected with triple valve by tube connector, after the temperature of main frame delivery port reaches design temperature, water in heating water tank, while heated by main frame, is pumped to storage tank simultaneously.The deficiency of this structure is that volume is large, and cost is high.
Utility model content
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and provides a kind of simple and reasonable for structure, and volume is little, have directly-heated runs and circulating-heating, the domestic normal-pressured Teat pump boiler of leaving water temperature and water pressure invariableness.
The purpose of this utility model is achieved in that
A kind of domestic normal-pressured Teat pump boiler, comprise attemperater, heat exchanger and heat pump, heat exchanger is provided with refrigerant passage and the water stream channel of mutual heat exchange, refrigerant passage and heat pump connect into loop, water stream channel is provided with import and outlet, inlet and outlet is respectively equipped with inflow temperature sensor and leaving water temperature sensors, and attemperater is provided with inlet opening and apopore, the outlet of inlet opening and water stream channel; It is characterized in that: also comprise electric three-way regulating valves, water pump, flow sensor and level sensor; Described electric three-way regulating valves is provided with a port, b port and c port, and a port is communicated with the apopore of attemperater, and b port is by the inlet communication of water pump and water stream channel, and c port is communicated with water inlet pipe; Described flow sensor is arranged on the b port of electric three-way regulating valves; Described level sensor is positioned at attemperater; Pressure switch and water flow switch and hot water outlet pipe is also provided with between the apopore of described attemperater and a port of electric three-way regulating valves.In attemperater, height and position residing for corresponding level sensor is corresponding moisture storage capacity, when cistern water level is lower than lower water level (residing for lower water level, the moisture storage capacity of height and position is more than or equal to water stream channel moisture storage capacity), stop water pump supplying water, avoid entering air inside water pump.
The purpose of this utility model can also adopt following technical measures to solve:
As a kind of scheme more specifically, described level sensor comprises the first level sensor, the second level sensor, the 3rd level sensor, lower level sensor and the public level sensor that arrange from top to bottom; Described inlet opening and apopore are separately positioned on top and the bottom of attemperater, and public level sensor is positioned at below the plane of apopore place.
The apopore of described attemperater is connected with one end of a three-way pipe, and the other two ends of three-way pipe form two branch roads, and wherein, a branch road is communicated with described hot water outlet pipe by check-valves, and another branch road is communicated with a port of electric three-way regulating valves.
Described hot water outlet pipe is provided with described pressure switch, water flow switch and accumulator.
The top of described attemperater and bottom are respectively equipped with overfall and sewage draining exit, and overfall is communicated with drainpipe.
Described heat pump comprises compressor, evaporimeter, electric expansion valve and cross valve, four ports establishing of cross valve are connected with one end of the exhaust outlet of compressor, the gas returning port of compressor, one end of evaporimeter and heat exchanger refrigerant passage respectively, and the other end of heat exchanger refrigerant passage is connected with the other end of evaporimeter by described electric expansion valve; Described evaporimeter is other is provided with blower fan.
The exhaust ports of described compressor is provided with exhaust gas temperature sensor and high-voltage switch gear, and the gas returning port place of compressor is provided with suction temperature sensor and low tension switch.
The beneficial effects of the utility model are as follows:
(1) this kind of domestic normal-pressured Teat pump boiler can control water pump in conjunction with water level, hydraulic pressure and current, realize circulating-heating operation; Also control water velocity by electric three-way regulating valves, the water entering heat exchanger be heated to design temperature with direct and deposit to attemperater, making leaving water temperature and water pressure invariableness;
(2) water pump of this kind of domestic normal-pressured Teat pump boiler can also have pressurization, when hydraulic pressure is too low, starts water pump and realizes pressurization.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Shown in Figure 1, a kind of domestic normal-pressured Teat pump boiler, comprise attemperater 1, heat exchanger 9(heat exchange sleeve) and heat pump, heat exchanger 9 is provided with refrigerant passage and the water stream channel of mutual heat exchange, refrigerant passage connects into loop by refrigerant pipe 10 and heat pump, water stream channel is provided with import 92 and outlet 93, import 92 and outlet 93 places are respectively equipped with inflow temperature sensor 91 and leaving water temperature sensors 94, attemperater 1 is provided with inlet opening 14 and apopore 12, and inlet opening 14 is communicated with the outlet 93 of water stream channel; It is characterized in that: also comprise electric three-way regulating valves 3, water pump 4, flow sensor LC and level sensor; Described electric three-way regulating valves 3 is provided with a port, b port and c port, and a port is communicated with the apopore 12 of attemperater 1, and b port is communicated with the import 92 of water stream channel by water pump 4, and c port is communicated with water inlet pipe 31; Described flow sensor LC is arranged on the b port of electric three-way regulating valves 3; Described level sensor is positioned at attemperater 1, and in attemperater, height and position residing for corresponding level sensor is corresponding moisture storage capacity; Pressure switch YL, water flow switch SL and hot water outlet pipe 22 is also provided with between the apopore 12 of described attemperater 1 and a port of electric three-way regulating valves 3.
The first level sensor SW1, the second level sensor SW2, the 3rd level sensor SW3, lower level sensor SW4 and public level sensor SW5 is from top to bottom provided with in described attemperater 1; Described inlet opening 14 and apopore 12 are separately positioned on top and the bottom of attemperater 1, in attemperater 1, residing for corresponding lower level sensor SW4, the moisture storage capacity of height and position is more than or equal to water stream channel moisture storage capacity, and public level sensor SW5 is positioned at below the plane of apopore 12 place.
The apopore 12 of described attemperater 1 is connected with one end of a three-way pipe 2, and the other two ends of three-way pipe 2 form two branch roads, and wherein, a branch road is communicated with described hot water outlet pipe 22 by check-valves 21, and another branch road is communicated with a port of electric three-way regulating valves 3.
Described hot water outlet pipe 22 is provided with described pressure switch YL, described water flow switch SL and accumulator 23.
The top of described attemperater 1 and bottom are respectively equipped with overfall 15 and sewage draining exit 11, and overfall 15 is communicated with drainpipe 16.
Described heat pump comprises compressor 5, evaporimeter 7, electric expansion valve 6 and cross valve 8, four ports establishing of cross valve 8 are connected with one end of the exhaust outlet 51 of compressor 5, the gas returning port 52 of compressor 5, one end of evaporimeter 7 and heat exchanger 9 refrigerant passage respectively, and the other end of heat exchanger 9 refrigerant passage is connected with the other end of evaporimeter 7 by described electric expansion valve 6; Described evaporimeter 7 is other is provided with blower fan.
Exhaust outlet 51 place of described compressor 5 is provided with pressure temperature sensor 53 and high-voltage switch gear GY, and gas returning port 52 place of compressor 5 is provided with and pushes back temperature sensor 54 and low tension switch DY.
In Fig. 1, the A direction of arrow is for going out hot water direction, and the B direction of arrow is for entering running water direction.
A control method for domestic normal-pressured Teat pump boiler, it has directly-heated running status and circulating-heating state two kinds of heating modes.
Under described directly-heated running status, the b port of electric three-way regulating valves 3 is communicated with c port, start heat pump, environmentally temperature and design temperature calculate the experience that should reach and calculate discharge, another electric three-way regulating valves 3 rule of thumb calculates discharge and regulates its aperture, to control actual discharge (present flow rate) and experience, to calculate discharge close, thus realize carrying out adjusting water outlet temperature by control water velocity.
Under directly-heated running status, blower fan first leaves 5 seconds, and then compressor 5 is opened.As T2=TS-12, under different rings temperature and design temperature, the flow that should reach is calculated according to various type, electric three-way regulating valves 3 is opened greatly to LC=L meter ± 0.1, after 30 seconds, when detecting T2=TS+1^-2 DEG C, electric three-way regulating valves 3 does not regulate (the not super TS of front secondary T2 water temperature, does not make adjustments); T2 exceedes and namely uses formula LAn=[LA (n-1) * (T2-T1)] ÷ { (TS-T1)-［ T2n-T2 (n-1) ］ } calculated flow rate, when LAn is less than minimum discharge, by minimum discharge; When being less than 0.1 when time calculating, by 0.1.After compressor 5 runs 3 minutes whenever, during the delivery temperature > 85 DEG C of compressor 5, when opening the delivery temperature > 90 DEG C of large electric expansion valve 8B(compressor 5 immediately, open large electric expansion valve 16B immediately, during delivery temperature > 95 DEG C, open large electric expansion valve 24B immediately).During the delivery temperature < 65 DEG C of compressor 5, turn down electric expansion valve 8B immediately.Overtemperature regulating cycle is 45 seconds.Delivery temperature regulating cycle between 65-85 is 90 seconds, regulates step valve to be 4B; Delivery temperature is uncomfortable between 82-85 DEG C.When after electric expansion valve regulating impulse < 80Hz, step valve is regulated to be 2B; Delivery temperature is uncomfortable between 65-80 DEG C.
Above-mentioned L meter: experience calculates discharge (unit L/min); LAn: the flow (unit L/min) that will be adjusted to after current calculated flow rate; N is the number of times calculated; LA (n-1): the last computation flow in current calculated flow rate, counts unit of account (unit L/min) with L when first time calculates; LC: present flow rate (unit L/min); T2n: the current leaving water temperature recorded, the leaving water temperature that T2 (n-1) last time records, T2n-T2 (n-1) the i.e. temperature rise of this section; TS: design temperature; T1: inflow temperature; T2: leaving water temperature.Present flow rate is recorded by flow sensor LC, and leaving water temperature is recorded by leaving water temperature sensors 94, and inflow temperature is recorded by inflow temperature sensor 91.Delivery temperature is recorded by pressure temperature sensor 53.
Instantly level sensor SW4 detects its present position when having water, circulating-heating state could start, start heat pump, now a port of electric three-way regulating valves 3 is communicated with b port, water pump 4 start and stop are controlled in conjunction with current, hydraulic pressure, meanwhile, in heat pump, electric expansion valve regulates the aperture of electric expansion valve according to compressor 5 exhaust outlet 51 temperature, to realize carrying out circulating-heating to the water of attemperater 1; Instantly level sensor SW4 detect its present position anhydrous time, water pump 4 stops, not being under the orders of current and hydraulic drives.
Under circulating-heating state, blower fan first leaves 5 seconds, and then compressor 5 is opened.In 30 minutes, water pump 4 can be controlled to start by current, hydraulic pressure switch.Run compressor 5 run 3 minutes after whenever, during the delivery temperature > 85 DEG C of compressor 5, when opening the delivery temperature > 90 DEG C of large electric expansion valve 8B(compressor 5 immediately, open large electric expansion valve 16B immediately, during delivery temperature > 95 DEG C, open large electric expansion valve 24B immediately).During the delivery temperature < 65 DEG C of compressor 5, turn down electric expansion valve 8B immediately.Overtemperature regulating cycle is 45 seconds.Delivery temperature regulating cycle between 65-85 is 90 seconds, regulates step valve to be 4B; Delivery temperature is uncomfortable between 82-85 DEG C.When after electric expansion valve regulating impulse < 80Hz, step valve is regulated to be 2B; Delivery temperature is uncomfortable between 65-80 DEG C.If lower level sensor SW4 detect its present position anhydrous time, water pump 4 is at once out of service.
Claims (7)
1. a domestic normal-pressured Teat pump boiler, comprise attemperater, heat exchanger and heat pump, heat exchanger is provided with refrigerant passage and the water stream channel of mutual heat exchange, refrigerant passage and heat pump connect into loop, water stream channel is provided with import and outlet, inlet and outlet is respectively equipped with inflow temperature sensor and leaving water temperature sensors, and attemperater is provided with inlet opening and apopore, the outlet of inlet opening and water stream channel;
It is characterized in that: also comprise electric three-way regulating valves, water pump, flow sensor and level sensor;
Described electric three-way regulating valves is provided with a port, b port and c port, and a port is communicated with the apopore of attemperater, and b port is by the inlet communication of water pump and water stream channel, and c port is communicated with water inlet pipe;
Described flow sensor is arranged on the b port of electric three-way regulating valves;
Described level sensor is positioned at attemperater;
Pressure switch and water flow switch and hot water outlet pipe is also provided with between the apopore of described attemperater and a port of electric three-way regulating valves.
2. domestic normal-pressured Teat pump boiler according to claim 1, is characterized in that: described level sensor comprises the first level sensor, the second level sensor, the 3rd level sensor, lower level sensor and the public level sensor that arrange from top to bottom;
Described inlet opening and apopore are separately positioned on top and the bottom of attemperater, and public level sensor is positioned at below the plane of apopore place.
3. domestic normal-pressured Teat pump boiler according to claim 1, it is characterized in that: the apopore of described attemperater is connected with one end of a three-way pipe, the other two ends of three-way pipe form two branch roads, wherein, one branch road is communicated with described hot water outlet pipe by check-valves, and another branch road is communicated with a port of electric three-way regulating valves.
4. domestic normal-pressured Teat pump boiler according to claim 1, is characterized in that: described hot water outlet pipe is provided with described pressure switch, described water flow switch and accumulator.
5. domestic normal-pressured Teat pump boiler according to claim 1, is characterized in that: the top of described attemperater and bottom are respectively equipped with overfall and sewage draining exit, and overfall is communicated with drainpipe.
6. domestic normal-pressured Teat pump boiler according to claim 1, it is characterized in that: described heat pump comprises compressor, evaporimeter, electric expansion valve and cross valve, four ports establishing of cross valve are connected with one end of the exhaust outlet of compressor, the gas returning port of compressor, one end of evaporimeter and heat exchanger refrigerant passage respectively, and the other end of heat exchanger refrigerant passage is connected with the other end of evaporimeter by described electric expansion valve; Described evaporimeter is other is provided with blower fan.
7. domestic normal-pressured Teat pump boiler according to claim 6, it is characterized in that: the exhaust ports of described compressor is provided with exhaust gas temperature sensor and high-voltage switch gear, the gas returning port place of compressor is provided with suction temperature sensor and low tension switch.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580297.9U CN204115220U (en) | 2014-10-09 | 2014-10-09 | Domestic normal-pressured Teat pump boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580297.9U CN204115220U (en) | 2014-10-09 | 2014-10-09 | Domestic normal-pressured Teat pump boiler |
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| Publication Number | Publication Date |
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| CN204115220U true CN204115220U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420580297.9U Expired - Lifetime CN204115220U (en) | 2014-10-09 | 2014-10-09 | Domestic normal-pressured Teat pump boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296372A (en) * | 2014-10-09 | 2015-01-21 | 广东碧涞节能设备有限公司 | Domestic normal pressure heat pump water heater and control method thereof |
-
2014
- 2014-10-09 CN CN201420580297.9U patent/CN204115220U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296372A (en) * | 2014-10-09 | 2015-01-21 | 广东碧涞节能设备有限公司 | Domestic normal pressure heat pump water heater and control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |