CN201476146U - Energy storage air entrainment two-by enthalpy heat pump device - Google Patents
Energy storage air entrainment two-by enthalpy heat pump device Download PDFInfo
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- CN201476146U CN201476146U CN 200920308358 CN200920308358U CN201476146U CN 201476146 U CN201476146 U CN 201476146U CN 200920308358 CN200920308358 CN 200920308358 CN 200920308358 U CN200920308358 U CN 200920308358U CN 201476146 U CN201476146 U CN 201476146U
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- heat exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model provides an energy storage air entrainment two-by enthalpy heat pump device, comprising a compressor. The compressor is connected with a first heat exchanger and an evaporator by a four-way reversing valve and a pipeline. One path of the first heat exchanger is connected with the second liquid inlet n of a second heat exchanger, and the other path of the first heat exchanger is connected with the first liquid inlet o of the second heat exchanger by a first electronic expansion valve. A second liquid outlet l is connected with the evaporator by a second electronic expansion valve, and the air entrainment port f of the compressor is connected with the air outlet m of the second heat exchanger by a one-way valve. The second heat exchanger is provided with a first temperature sensor. The water inlet i of the first heat exchanger is connected with a water tank by a water pump, and the water outlet k of the first heat exchanger is connected with the water inlet of an end radiator. The water outlet of the end radiator is connected with the water tank, and a bypass pipe is connected between the water inlet and the water outlet of the end radiator in parallel and is provided with a control valve. The heat pump can ensure to be started normally in the low temperature environment and normally operate to supply heat.
Description
Technical field
The utility model relates to the two enthalpy increasing heat pump devices of a kind of accumulation of energy tonifying Qi.
Background technology
At present, existing all kinds of heat pump assembly all has the following disadvantages: the first, be difficult to normal startup winter under the low temperature environment; The second, low temperature environment lower compression machine inspiratory capacity deficiency, heating capacity descends, the easily frequent frosting of evaporimeter during startup, heat pump can't normally start, and Energy Efficiency Ratio is low during operation, can not play the effect of heat supply in winter.
Summary of the invention
The purpose of this utility model, the two enthalpy increasing heat pump devices of a kind of accumulation of energy tonifying Qi have been provided, it can solve the problem that prior art exists, can guarantee the normal heat pump that starts under low temperature environment, and can guarantee the inspiratory capacity of compressor effectively, the frequent frosting of the device that avoids evaporating makes heat pump can normally start, move, and building is carried out heat supply.
The purpose of this utility model is achieved through the following technical solutions: the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi, comprise compressor, the gas outlet e of compressor is connected with the air inlet d of four-way change-over valve, the gas outlet c of four-way change-over valve is connected with the air supply opening j of first heat exchanger, a road of the first liquid outlet h of first heat exchanger is connected with the second inlet n of second heat exchanger, another road of the first liquid outlet h of first heat exchanger is connected with the first inlet o of second heat exchanger by first electric expansion valve, the second liquid outlet l of second heat exchanger is connected with evaporimeter by second electric expansion valve, evaporimeter is connected with the air supply opening a of four-way change-over valve, the exhaust outlet b of four-way change-over valve is connected with the air inlet of gas-liquid separator, the gas outlet of gas-liquid separator is connected with the air entry g of compressor, the gas supplementing opening f of compressor is connected with the gas outlet m of second heat exchanger by check valve, first temperature sensor is installed on second heat exchanger, first temperature sensor is connected with first electric expansion valve with control panel by lead, the water inlet i of first heat exchanger is connected with water tank by water pump, the delivery port k of first heat exchanger is connected with the water inlet of terminal radiator, the delivery port of terminal radiator is connected with water tank, by-pass line in parallel is installed control valve between the water inlet of terminal radiator and the delivery port on the by-pass line.
For further realizing the purpose of this utility model, can also realize by the following technical solutions: described control valve is a three-way magnetic valve, the water side of by-pass line is connected with the first port p of three-way magnetic valve, the delivery port of terminal radiator is connected with three-way magnetic valve third connectivity mouth x, the second port q of three-way magnetic valve is connected with water tank, that is, by-pass line all is connected with water tank by three-way magnetic valve with terminal radiator.Described control valve is a three-way magnetic valve, the delivery port k of first heat exchanger is connected with the second port q of three-way magnetic valve, the first port p of three-way magnetic valve is connected with the water inlet of by-pass line, the third connectivity mouth x of three-way magnetic valve with water inlet be connected, the water side of by-pass line is connected with water tank respectively with the delivery port of terminal radiator.Described control valve is an electromagnet cut off valve, and electromagnet cut off valve is installed on the by-pass line, and electromagnet cut off valve is in parallel with terminal radiator.Second temperature sensor and heater are installed on the water tank.First check valve is installed on second liquid outlet l of second heat exchanger and the connecting line between second electric expansion valve, the first liquid outlet h of first heat exchanger is connected with the gas outlet of second check valve, and the air inlet of second check valve is connected with the liquid outlet of first check valve.
Good effect of the present utility model is: it is provided with the device to the compressor tonifying Qi, makes the soakage of the cold-producing medium of guaranteeing compressor, thereby device frosting frequently and guarantee the heat pump cold-starting can avoid evaporating.The utility model also has simple in structure, cheap for manufacturing cost and advantages of simple operation.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the structural representation of second kind of scheme of the utility model; Fig. 3 is the structural representation of the third scheme of the utility model.
Number in the figure: 1 compressor, 2 gas-liquid separators, 3 four-way change-over valves, 4 evaporimeters, 5 second electric expansion valves, 6 second heat exchangers, 7 first temperature sensors, 8 first electric expansion valves 9 the 3rd check valve, 10 water pumps, 11 water tanks, 12 second temperature sensors, 13 heaters, 14 terminal radiator 15 First Heat Exchangers 16 first check valves 17 second check valves 18 three-way magnetic valves 19 electromagnet cut off valve 20 by-pass line a air supply opening b exhaust outlet c gas outlet d air inlet e gas outlet f gas supplementing opening g air entry h the first liquid outlet i water inlet j air supply opening k delivery port l the second liquid outlet m gas outlet n the second inlet o the first inlet p the first port q the second port x third connectivity mouthes.
The specific embodiment
The two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi described in the utility model, comprise compressor 1, the gas outlet e of compressor 1 is connected with the air inlet d of four-way change-over valve 3, the gas outlet c of four-way change-over valve 3 is connected with the air supply opening j of first heat exchanger 15, a road of the first liquid outlet h of first heat exchanger 15 is connected with the second inlet n of second heat exchanger 6, another road of the first liquid outlet h of first heat exchanger 15 is connected with the first inlet o of second heat exchanger 6 by first electric expansion valve 8, the second liquid outlet l of second heat exchanger 6 is connected with evaporimeter 4 by second electric expansion valve 5, evaporimeter 4 is connected with the air supply opening a of four-way change-over valve 3, the exhaust outlet b of four-way change-over valve 3 is connected with the air inlet of gas-liquid separator 2, the gas outlet of gas-liquid separator 2 is connected with the air entry g of compressor 1, the gas supplementing opening f of compressor 1 is connected with the gas outlet m of second heat exchanger 6 by the 3rd check valve 9, first temperature sensor 7 is installed on second heat exchanger 6, first temperature sensor 7 is connected with first electric expansion valve 8 with control panel by lead, the water inlet i of first heat exchanger 15 is connected with water tank 11 by water pump 10, the delivery port k of first heat exchanger 15 is connected with the water inlet of terminal radiator 14, the delivery port of terminal radiator 14 is connected with water tank 11, by-pass line 20 in parallel is installed control valve on the by-pass line 20 between the water inlet of terminal radiator 14 and the delivery port.Control panel described in the utility model can be a programmable controller, also can be single-chip microcomputer, can also be existing control device such as industrial computer.The 3rd check valve 9 can be substituted by electromagnet cut off valve or stop valve etc., but the cost of magnetic valve or stop valve is higher, and service life is shorter relatively.
When heating, the air inlet d of four-way change-over valve 3 communicates with gas outlet c, air supply opening a communicates with exhaust outlet b, cold-producing medium is flowed out by the gas outlet e of compressor 1, enter first heat exchanger 15 through air inlet d and gas outlet c by air supply opening j, the first liquid outlet h that heat exchange is condensed into behind the liquid by first heat exchanger 15 flows out, first heat exchanger 15 of this moment is equivalent to condenser, the first of the cold-producing medium that is flowed out by the first liquid outlet h flows into second heat exchanger 6 by the second inlet n, second portion is after 8 step-downs of first electric expansion valve, flow in second heat exchanger 6 by the first inlet o, above-mentioned two parts cold-producing medium is in second heat exchanger 6 after the heat exchange, first's cold-producing medium of step-down is not flowed out by the second liquid outlet l, inflow evaporator 4 after 5 step-downs of second electric expansion valve, in evaporimeter 4, behind the heat absorption carburation by evaporation, flow into gas-liquid separator 2 through the air supply opening a of four-way change-over valve 3 exhaust outlet b, again by gas-liquid separator 2 in air entry g flows back to compressor 1; Second portion is the cold-producing medium of step-down, after the heat absorption evaporation, is flowed out by gas outlet m in second heat exchanger 6, flows through behind the 3rd check valve 9, flows back to compressor 1 by gas supplementing opening f, realizes the tonifying Qi to compressor 1.First temperature sensor 7 can record the temperature of first's cold-producing medium in second heat exchanger 6, temperature signal is passed to control panel, control panel is by regulating first electric expansion valve, 8 open degree, the flow of the second portion cold-producing medium of tonifying Qi is carried out in adjustment to compressor 1, thereby, can reach the effect that tonifying Qi increases enthalpy, can solve and to exist in the prior art, be difficult to ruuning situation according to heat pump, at any time adjust problem to compressor 1 flow of air supply, can make heat pump in time adjust running status, reach best heating effect according to the difference of long journey operating mode.
By-pass line 20 in parallel between the water inlet of radiator 14 and the delivery port is installed control valve on the by-pass line 20 endways, and the purpose of this structure Design is in order to realize that accumulation of energy increases enthalpy, to guarantee that heat pump normally starts.Heat pump is initial start stage in the winter time, and the condenser enthalpy of whole device is lower, and at this moment, the water temperature of system is lower, and through evidence, when the water temperature of system was lower than 20 ℃, heat pump was difficult to start, otherwise if the water temperature of system is higher than 30 ℃, then system just can normally start; If the water that will be lower than 20 ℃ is directly sent into first heat exchanger 15, directly inject in the terminal radiator 14 the room heat supply through the water of first heat exchanger, 15 heating, then heat pump will be crossed low and out of service because of the condenser enthalpy at short notice.Therefore, during startup, if the water tank water temperature is lower than 20 ℃ and can starts electric heater 13 earlier, the water in the water tank 11 is heated to more than 30 ℃, and then starts heat pump, at this moment heat pump just can normally start.When the room does not have heat supply for a long time, when temperature is low, in the operation of heat pump process of initial start stage, terminal radiator heat-dissipation amount is bigger, still can cause system water temperature to be lower than 20 ℃ of design heat pump inflow temperatures, if at this moment second temperature sensor 12 records water tank temperature and is lower than setting value, can adjust the control valve on the by-pass line 20, make by-pass line 20 unimpeded, thereby with terminal radiator 14 short circuits, water after 15 heating of first heat exchanger directly is back in the water tank 11, improve the water temperature in the water tank 11, this course of work is by improving water tank 11 interior water temperatures increase enthalpy to the system condensing device process; When the water temperature in the water tank 11 rises to setting value, the enthalpy of heat pump assembly reaches the requirement of normal operation, at this moment, can control the control valve on the by-pass line 20, blocking-up by-pass line 20, make the water after 15 heating of first heat exchanger flow into terminal radiator 14 heat supplies earlier, reflow tank 11 again after the heat release cooling, thus realize the normal operation of heat pump, through such circulation several times, after the room temperature raising, heat pump just can normally heat to the room.
For making by-pass line 20 in parallel with terminal radiator 14, guarantee the normal startup of heat pump, can adopt following three kinds of schemes:
First, described control valve can be a three-way magnetic valve 18, the water side of by-pass line 20 is connected with the first port p of three-way magnetic valve 18, the water inlet end of by-pass line 20 is connected with the delivery port k of first heat exchanger 15, the delivery port of terminal radiator 14 is connected with three-way magnetic valve 18 third connectivity mouth x, the second port q of three-way magnetic valve 18 is connected with water tank 11, and promptly by-pass line 20 all is connected with water tank 11 by three-way magnetic valve 18 with terminal radiator 14.
Second, described control valve is a three-way magnetic valve 18, the delivery port k of first heat exchanger 15 is connected with the second port q of three-way magnetic valve 18, the first port p of three-way magnetic valve 18 is connected with the water inlet of by-pass line 20, the third connectivity mouth x of three-way magnetic valve 18 is connected with the water inlet of terminal radiator 14, and the delivery port of the water side of by-pass line 20 and terminal radiator 14 is connected with water tank 11 respectively.
The 3rd, described control valve is an electromagnet cut off valve 19, and electromagnet cut off valve 19 is installed on the by-pass line 20, and electromagnet cut off valve 19 is in parallel with terminal radiator 14.
Three-way magnetic valve 18 determines the break-make of by-pass lines 20 and terminal radiator 14 in first and second kind scheme, is controlled the break-make of by-pass lines 20 in the third scheme by electromagnet cut off valve 19.The effect of above-mentioned three kinds of schemes is identical, but learns according to repeated multiple times experiment, and the effect of first kind of scheme control by-pass line 20 and terminal radiator 14 flows is best.
Normally start for guaranteeing the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi described in the utility model, can being lower than under-15 ℃ of low temperature environments, second temperature sensor 12 and heater 13 are installed on the water tank 11.Heater 13 can be existing all kinds of electric heater, also can be existing other heaters.When heat pump starts, when the water temperature in water tank 11 records water tank 11 is lower than setting value, second temperature sensor 12 sends signal to control panel, the water that control panel starts in 13 pairs of water tanks of heater 11 carries out heat temperature raising, after water tank temperature reaches setting value, start heat pump, heat pump can normally be started, after the startup, the water temperature that second temperature sensor 12 records in the water tank 11 reaches when setting value, control device control heater 13 stops heating, and heat pump assembly operate as normal, the process of the water heating in 13 pairs of water tanks of heater 11 are that a kind of accumulation of energy increases the enthalpy process to system.When the room does not have heat supply for a long time, when temperature is low, in the operation of heat pump process of initial start stage, terminal radiator heat-dissipation amount is bigger, still can cause system water temperature to be lower than design heat pump inflow temperature more than 20 ℃, so still, can cause system's enthalpy low excessively, if heat pump cisco unity malfunction, at this moment, when recording water tank temperature, second temperature sensor is lower than setting value, can adjust the control valve on the by-pass line 20, make by-pass line 20 unimpeded, with terminal radiator 14 short circuits, water after 15 heating of first heat exchanger directly is back in the water tank 11, improves the water temperature in the water tank 11, this course of work is that system self is by improving water tank 11 interior water temperatures increase enthalpy to the system condensing device process; When the water temperature in the water tank 11 rises to setting value, the enthalpy of heat pump assembly reaches the requirement of normal operation, at this moment, can control the control valve on the by-pass line 20, blocking-up by-pass line 20, make the water after 15 heating of first heat exchanger flow into terminal radiator 14 heat supplies earlier, reflow tank 11 again after the cooling, thus realize the normal operation of heat pump, through such circulation several times, after the room temperature raising, heat pump just can normally heat to the room.
For improving the operating efficiency of the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi described in the utility model, simultaneously, also in order to make this device possess refrigeration, reverse defrost function, first check valve 16 can be installed on the second liquid outlet l of second heat exchanger 6 and the connecting line between second electric expansion valve 5, the liquid outlet of first check valve 16 is connected with second electric expansion valve 5, the inlet of first check valve 16 is connected with the second liquid outlet l, the first liquid outlet h of first heat exchanger 15 is connected with the gas outlet of second check valve 17, the air inlet of second check valve 17 is connected with the liquid outlet of first check valve 16, that is, second check valve 17 is in parallel with second heat exchanger 6.During refrigeration, four-way change-over valve 3 actions make the air supply opening a of four-way change-over valve 3 communicate with air inlet d, and exhaust outlet b communicates with gas outlet c, and the flow direction of cold-producing medium is opposite, and simultaneously, this device is not worked to the associated components of compressor 1 tonifying Qi.
Need not to install storage liquid containers such as liquid reservoir in the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi described in the utility model, but the volume of reduction means is saved manufacturing cost.
The utility model not technology contents of detailed description is known technology.
Claims (6)
1. two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi, it is characterized in that: comprise compressor (1), the gas outlet e of compressor (1) is connected with the air inlet d of four-way change-over valve (3), the gas outlet c of four-way change-over valve (3) is connected with the air supply opening j of first heat exchanger (15), a road of the first liquid outlet h of first heat exchanger (15) is connected with the second inlet n of second heat exchanger (6), another road of the first liquid outlet h of first heat exchanger (15) is connected with the first inlet o of second heat exchanger (6) by first electric expansion valve (8), the second liquid outlet l of second heat exchanger (6) is connected with evaporimeter (4) by second electric expansion valve (5), evaporimeter (4) is connected with the air supply opening a of four-way change-over valve (3), the exhaust outlet b of four-way change-over valve (3) is connected with the air inlet of gas-liquid separator (2), the gas outlet of gas-liquid separator (2) is connected with the air entry g of compressor (1), the gas supplementing opening f of compressor (1) is connected with the gas outlet m of second heat exchanger (6) by check valve (9), second heat exchanger (6) is gone up first temperature sensor (7) is installed, first temperature sensor (7) is connected with first electric expansion valve (8) with control panel by lead, the water inlet i of first heat exchanger (15) is connected with water tank (11) by water pump (10), the delivery port k of first heat exchanger (15) is connected with the water inlet of terminal radiator (14), the delivery port of terminal radiator (14) is connected with water tank (11), a by-pass line (20) in parallel between the water inlet of terminal radiator (14) and the delivery port, by-pass line (20) are gone up control valve are installed.
2. the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi according to claim 1, it is characterized in that: described control valve is three-way magnetic valve (18), the water side of by-pass line (20) is connected with the first port p of three-way magnetic valve (18), the delivery port of terminal radiator (14) is connected with three-way magnetic valve (18) third connectivity mouth x, the second port q of three-way magnetic valve (18) is connected with water tank (11), that is, by-pass line (20) all is connected with water tank (11) by three-way magnetic valve (18) with terminal radiator (14).
3. the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi according to claim 1, it is characterized in that: described control valve is three-way magnetic valve (18), the delivery port k of first heat exchanger (15) is connected with the second port q of three-way magnetic valve (18), the first port p of three-way magnetic valve (18) is connected with the water inlet of by-pass line (20), the third connectivity mouth x of three-way magnetic valve (18) is connected with the water inlet of (14), and the delivery port of the water side of by-pass line (20) and terminal radiator (14) is connected with water tank (11) respectively.
4. the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi according to claim 1, it is characterized in that: described control valve is electromagnet cut off valve (19), electromagnet cut off valve (19) is installed on the by-pass line (20), and electromagnet cut off valve (19) is in parallel with terminal radiator (14).
5. the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi according to claim 2 is characterized in that: water tank (11) is gone up second temperature sensor (12) and heater (13) is installed.
6. the two enthalpy increasing heat pump devices of accumulation of energy tonifying Qi according to claim 2, it is characterized in that: first check valve (16) is installed on second liquid outlet l of second heat exchanger (6) and the connecting line between second electric expansion valve (5), the first liquid outlet h of first heat exchanger (15) is connected with the gas outlet of second check valve (17), and the air inlet of second check valve (17) is connected with the liquid outlet of first check valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920308358 CN201476146U (en) | 2009-08-19 | 2009-08-19 | Energy storage air entrainment two-by enthalpy heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920308358 CN201476146U (en) | 2009-08-19 | 2009-08-19 | Energy storage air entrainment two-by enthalpy heat pump device |
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| Publication Number | Publication Date |
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| CN201476146U true CN201476146U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920308358 Expired - Lifetime CN201476146U (en) | 2009-08-19 | 2009-08-19 | Energy storage air entrainment two-by enthalpy heat pump device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032726A (en) * | 2010-11-25 | 2011-04-27 | 广东美的电器股份有限公司 | Air conditioner capable of improving low-temperature heating capacity |
| CN106568119A (en) * | 2015-10-12 | 2017-04-19 | 李延魁 | Waterpower distribution device having heat storage function |
-
2009
- 2009-08-19 CN CN 200920308358 patent/CN201476146U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032726A (en) * | 2010-11-25 | 2011-04-27 | 广东美的电器股份有限公司 | Air conditioner capable of improving low-temperature heating capacity |
| CN106568119A (en) * | 2015-10-12 | 2017-04-19 | 李延魁 | Waterpower distribution device having heat storage function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |