CN202747515U - Multistage heat pipe and heat pump compound system - Google Patents
Multistage heat pipe and heat pump compound system Download PDFInfo
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- CN202747515U CN202747515U CN 201220442558 CN201220442558U CN202747515U CN 202747515 U CN202747515 U CN 202747515U CN 201220442558 CN201220442558 CN 201220442558 CN 201220442558 U CN201220442558 U CN 201220442558U CN 202747515 U CN202747515 U CN 202747515U
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Abstract
The utility model discloses a multistage heat pipe and heat pump compound system which mainly comprises a primary heat pipe and heat pump compound unit, a secondary heat pipe and heat pump compound unit, a tertiary heat pipe and heat pump compound unit, an evaporator fan, a condenser fan, a heat exchanger, a connecting pipeline and a circuit control element. The multistage heat pipe and heat pump compound system can be provided with 4 to N stages of heat pipe and heat pump compound units as required. The primary heat pipe and heat pump compound unit, the secondary heat pipe and heat pump compound unit and the tertiary heat pipe and heat pump compound unit are independent circulation loops respectively and are connected in parallel, wherein all evaporators are placed side by side, are respectively provided with independent input and output ends, are assembled in the same shell, are positioned in an air duct formed by the evaporator fan and share one evaporator fan; and all condensers are placed side by side, are respectively provided with independent input and output ends, are assembled in the same shell, are positioned in an air duct formed by the condenser fan and share one condenser fan. The circuit control element controls the operating state of the system. According to the multistage heat pipe and heat pump compound system, not only is a heat pipe and heat pump refrigerating device fused, but also the problems of high loss of the heat transfer temperature difference and low total heat exchange efficiency of the existing heat pipe and heat pump refrigerating device are solved.
Description
Technical field
The utility model belongs to the cold and hot energy transporting technical field, relates to a kind of multi-stage heat pipe heat pump hybrid system of carrying out cold and hot energy transporting that hot-pipe system and heat pump system are compounded to form mutually.
Background technology
In information machine room, the base station class building, the caloric value of indoor equipment is very large, reaches 200 ~ 1000W/ m
2And the annual 8760h operation of indoor IT equipment, therefore in most cases needing cooling the whole year, its air conditioning energy consumption is very large, often accounts for 40% ~ 50% of information machine room, the whole energy consumption in base station.The tradition air conditioner in machine room adopts compressor cooling mode whole year operation, and in fact when winter or transition season outdoor temperature are lower than indoor temperature, can utilize fully outdoor Cryogenic air as low-temperature receiver to indoor cooling, and do not need compressor.Heat exchange of heat pipe is exactly that a kind of temperature difference of utilizing drives the equipment that refrigerant circulation realizes that heat transmits, because it does not need compressor, evaporation and the condensation process transferring heat that can rely on cold-producing medium, have superior heat conductivity and isothermal characteristics, be widely used in the fields such as space flight and aviation, air-conditioning, chemical industry, oil refining.Heat exchange of heat pipe is applied in the letter that only has sensible heat transfer
In the breath machine room, can reduce in a large number the running time of compression-type refrigeration air-conditioning, its annual fractional energy savings can reach 50%.
The number of patent application of applicant's previous application is 201210266600.3,201210269424.9,201210273880.0 and the patent of 201210279193.X is for solving the large problem of energy consumption that exists in the heat pump, and provided a kind of simple in structure, implement easily, the heat pipe hot pump hybrid system of energy-saving and emission-reduction, according to indoor and outdoor temperature and indoor load situation, unit is optionally with heat pump cycle or heat pipe circulation mode operation, in the target that guarantees to realize under the prerequisite that room temperature lowering requires energy-saving run, this heat pipe hot pump hybrid system not only makes the heat pump refrigerating heat transfer technology of heat pipe mutually merge, realize that both have complementary advantages, gas-liquid separation and circulation some drawbacks on unstable when also having solved existing heat pump refrigerating device refrigeration, improved the refrigeration heat transfer efficiency, but the exhaust temperature of exhaust outlet is very high, and heat loss is still very large.
Total driving temperature difference of heat exchange of heat pipe is indoor/outdoor temperature-difference, the thermostatic characteristics of single-stage heat exchange of heat pipe internal refrigeration storage agent causes the heat pipe heat loss large, on the application basis in front, the intermediary that can will have by increasing heat pipe progression thermostatic characteristics changes medium with temperature-changing characteristic into and is the effective way that realizes reducing the heat transfer temperature difference loss and improve total heat exchange efficiency by the design that increases heat pump progression.The single-stage heat exchange of heat pipe changes multistage form into, cold-producing medium in every one-level heat pipe all is considered as constant temperature fluid, then multi-stage heat pipe can be realized the heat-exchanger rig of alternating temperature effect, and the heat exchange area of every grade of heat exchanger is identical, final exhaust temperature is close to environment temperature, thereby improves to greatest extent heat utilization rate; The design that the single-stage heat pump changes multistage form into also can be mated the dynamic refrigeration duty of refrigeration system better, and used whole system apparatus structure is simple, environmental friendliness.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming that prior art exists, and has the low problem of the heat transfer temperature difference large and total heat exchange efficiency of loss in the single-stage heat pipe hot pump system for solving.
The utility model technical solution problem adopts following technical scheme:
A kind of multi-stage heat pipe heat pump hybrid system, comprise one-level heat pipe hot pump recombiner unit, evaporator fan, condenser fan, heat exchanger, liquid storage flow straightener, compressor, circulating pump, magnetic valve, check valve and connecting pipe, also comprise secondary heat pipe heat pump recombiner unit and three grades of heat pipe hot pump recombiner units, can make as required 4-N level heat pipe hot pump recombiner unit, wherein one-level heat pipe hot pump recombiner unit, secondary heat pipe heat pump recombiner unit and three grades of heat pipe hot pump recombiner units all are respectively independently closed circuits, and parallel with one another; The evaporimeter of described one-level heat pipe hot pump recombiner unit, secondary heat pipe heat pump recombiner unit and three grades of heat pipe hot pump recombiner units is put mutually side by side, the independent input output that oneself is arranged respectively, be assembled in the same housing and be positioned at the air channel that evaporator fan forms, share an evaporator fan; The condenser of described one-level heat pipe hot pump recombiner unit, secondary heat pipe heat pump recombiner unit and three grades of heat pipe hot pump recombiner units is put mutually side by side, the independent input output that oneself is arranged respectively, be assembled in the same housing and be positioned at the air channel that condenser fan forms, share a condenser fan.
The above check valve two, check valve four and check valve six are connected in parallel on respectively on the compressor of every one-level, the branch circuit parallel connection that the branch road of the circulating pump of every one-level and magnetic valve series connection is connected with check valve and choke valve, their input is connected in the liquid storage flow straightener, and output is connected in evaporimeter; Like this, described circulating pump, magnetic valve, evaporimeter, the check valve check valve of the compressor parallel of every one-level (namely with), condenser and liquid storage flow straightener all are linked in sequence according to above-listed by the every one-level of connecting pipe, have formed a multi-stage heat pipe closed circuit; Described compressor, condenser, liquid storage flow straightener, check valve (check valve of the place branch road of namely connecting with choke valve), choke valve and evaporimeter all are linked in sequence according to above-listed by the every one-level of connecting pipe, have just formed a multi-stage heat pump closed circuit.
During the above multi-stage heat pump refrigeration work work pattern, all compressors are opened, check valve one, check valve three and check valve five are in conducting state, all circulation pump simultaneously, and check valve two, check valve four, check valve six and all magnetic valves all are in closed condition; During described multi-stage heat pipe heat exchange mode of operation work, all compressors cut out, check valve one, check valve three and check valve five also are in cut-off state, and all circulating pumps are opened, and check valve two, check valve four, check valve six and all magnetic valves all are in conducting state.
The evaporimeter of the above one-level heat pipe hot pump recombiner unit, secondary heat pipe heat pump recombiner unit and three grades of heat pipe hot pump recombiner units and condenser all are heat exchanger or the micro-channel heat exchangers that the coil pipe fin forms, its structure is identical, and the heat exchanger of every one-level has separately input and output side.
The above one-level heat pipe hot pump recombiner unit, secondary heat pipe heat pump recombiner unit and three grades of heat pipe hot pump recombiner units all are respectively independently closed circuits, and they have independently compressor and circulating pump, are independent of each other mutually during its work operation.
The above circuit control section is being controlled circuit logic computing and the equipment run switch of whole device, mainly be some variations in temperature of monitoring hot environment and low temperature environment by some temperature testing equipments, optionally move multi-stage heat pump refrigeration work pattern or multi-stage heat pipe refrigeration work pattern, and can avoid as required the situation of " low load with strong power ", selection makes the intermittent work of part unit phase trans-substitution of heat pump refrigerating mode of operation or heat-pipe refrigerating mode of operation, has also prolonged so to a certain extent the service life of whole system.
The utility model compared with prior art, change the intermediary that multistage form will have thermostatic characteristics into by the single-stage heat exchange of heat pipe and change the medium with temperature-changing characteristic into, cold-producing medium in every one-level heat pipe all is considered as constant temperature fluid, then multi-stage heat pipe can be realized the heat-exchanger rig of alternating temperature effect, change the design of multistage form into by the single-stage heat pump, the temperature difference of evaporimeter or condenser becomes step by step to change, the dynamic refrigeration duty that can also mate better refrigeration system, and the heat exchange area of every grade of heat exchanger is identical, final exhaust temperature is close to environment temperature, thereby this heat pipe hot pump hybrid system can reduce the heat transfer temperature difference loss and improve total heat exchange efficiency, and used whole system apparatus structure is simple, environmental friendliness.
Description of drawings
Fig. 1 is the embodiment structural representation of multi-stage heat pipe heat pump hybrid system.
Among the figure: (11) one-level heat pipe hot pump recombiner unit; (12) secondary heat pipe heat pump recombiner unit; (13) three grades of heat pipe hot pump recombiner units; (2) evaporator fan; (3) condenser fan; (41) evaporimeter one; (42) evaporimeter two; (43) evaporimeter three; (51) condenser one; (52) condenser two; (53) condenser three; (61) compressor one; (62) compressor two; (63) compressor three; (71) the liquid storage flow straightener one; (72) the liquid storage flow straightener two; (73) the liquid storage flow straightener three; (81) circulating pump one; (82) circulating pump two; (83) circulating pump three; (91) choke valve one; (92) choke valve two; (93) choke valve three; (101) magnetic valve one; (102) magnetic valve two; (103) magnetic valve three; (111) check valve one; (112) check valve two; (113) check valve three; (114) check valve four; (115) check valve five; (116) check valve six.
The specific embodiment:
A kind of multi-stage heat pipe heat pump hybrid system shown in Figure 1 comprises one-level heat pipe hot pump recombiner unit (11); Secondary heat pipe heat pump recombiner unit (12); Three grades of heat pipe hot pump recombiner units (13); Evaporator fan (2); Condenser fan (3); Evaporimeter one (41); Evaporimeter two (42); Evaporimeter three (43); Condenser one (51); Condenser two (52); Condenser three (53); Compressor one (61); Compressor two (62); Compressor three (63); Liquid storage flow straightener one (71); Liquid storage flow straightener two (72); Liquid storage flow straightener three (73); Circulating pump one (81); Circulating pump two (82); Circulating pump three (83); Choke valve one (91); Choke valve two (92); Choke valve three (93); Magnetic valve one (101); Magnetic valve two (102); Magnetic valve three (103); Check valve one (111); Check valve two (112); Check valve three (113); Check valve four (114); Check valve five (115); Check valve six (116) and connecting pipe and circuit controling element, whole system can be made 4-N level heat pipe hot pump recombiner unit as required; Described compressor (61; 62; 63), condenser (51; 52; 53), the liquid storage flow straightener (71; 72; 73), check valve (111; 113; 115), choke valve (91; 92; 93) and evaporimeter (41; 42; 43) all be linked in sequence according to above-listed by the every one-level of connecting pipe, just formed a multi-stage heat pump closed circuit; The check valve (112 of described every one-level; 114; 116) be connected in parallel on respectively compressor (61; 62; 63) on, the circulating pump (81 of every one-level; 82; 83) and magnetic valve (101; 102; 103) branch road and the check valve (111 of series connection; 113; 115) and choke valve (91; 92; 93) branch circuit parallel connection of series connection, their input is connected in liquid storage flow straightener (71; 72; 73), output is connected in evaporimeter (41; 42; 43); Circulating pump (81 like this; 82; 83), magnetic valve (101; 102; 103), evaporimeter (41; 42; 43), check valve (112; 114; 116), condenser (51; 52; 53) and liquid storage flow straightener (71; 72; 73) all be linked in sequence according to above-listed by the every one-level of connecting pipe, formed a multi-stage heat pipe closed circuit, these two circulations are carried out exchange work according to environment and demand and have just been formed a kind of multi-stage heat pipe heat pump hybrid system like this.
When using multi-stage heat pump refrigeration work pattern, compressor (61; 62; 63) open check valve (111; 113; 115) be in conducting state, simultaneously circulating pump (81; 82; 83) close magnetic valve (101; 102; 103) and check valve (112; 114; 116) be in closed condition, because compressor (61; 62; 63) take out pressure, check valve (112; 114; 116) the place branch road does not almost have passing through of refrigeration working medium, and the liquid condensation agent is at evaporimeter (41 like this; 42; 43) heat absorption reduces indoor temperature in, and the liquid condensation agent after the heat absorption becomes gaseous state, by compressor (61; 62; 63) the compressed gaseous cold-producing medium becomes high-temperature high-pressure state, and high temperature and high pressure gaseous refrigerant is by condenser (51; 52; 53) wireway enters condenser (51; 52; 53) in, then high temperature and high pressure gaseous refrigerant is at condenser (51; 52; 53) heat radiation liquefy cold-producing medium in, liquid refrigerant enters liquid storage flow straightener (71 under the promotion of high-pressure gaseous refrigerant; 72; 73) in, gas-liquid refrigeration intermediate medium basis separately physical property is separated in fluid reservoir, and the high-pressure liquid intermediate medium is through check valve (111; 113; 115) enter choke valve (91; 92; 93), the throttling of reducing pressure enters into evaporimeter (41; 42; 43) circulate in next time.
When using multi-stage heat pipe refrigeration work pattern, compressor (61; 62; 63) close check valve (111; 113; 115) also be in cut-off state, circulating pump (81; 82; 83) open magnetic valve (101; 102; 103) and check valve (112; 114; 116) be in conducting state, circulating pump (81; 82; 83) from liquid storage flow straightener (71; 72; 73) extract in and be furnished with a certain proportion of two-phase flow refrigeration working medium, through magnetic valve (101; 102; 103) enter evaporimeter (41; 42; 43), evaporimeter (41; 42; 43) contact with high temperature heat source, liquid working media is at evaporimeter (41; 42; 43) be subjected to the heating of high temperature heat source in and be evaporated to gas, and absorbing heat, the gas that evaporation forms does not have the liquid intermediate medium of evaporation mutually to mix formation gas-liquid two-phase flow body in flow at high speed with part, and they are from evaporimeter (41; 42; 43) output in is through check valve (112; 114; 116) enter condenser (51; 52; 53), condenser (51; 52; 53) contact with low-temperature heat source, gaseous working medium is at condenser (51; 52; 53) be subjected to the cooling of low-temperature heat source in and be condensed into liquid, and emit heat, the liquid-working-medium that condensation forms is at circulating pump (81; 82; Taking out under the pressure-acting 83) is through condenser (51; 52; 53) catheter enters liquid storage flow straightener (71; 72; 73) in, it carries out gas-liquid separation, stores and shunting, circulates next time.
This like this multi-stage heat pipe heat pump hybrid system can be according to the difference of indoor required design temperature and outdoor temperature, optionally move multi-stage heat pump refrigeration work pattern or multi-stage heat pipe refrigeration work pattern, and can avoid as required the situation of " low load with strong power ", selection makes the intermittent work of part unit phase trans-substitution of heat pump refrigerating mode of operation or heat-pipe refrigerating mode of operation, is guaranteeing that the prerequisite that room temperature lowering requires is issued to energy-saving run; When higher or indoor load is excessive when outdoor temperature, multi-stage heat pipe heat pump hybrid system operating heat pump refrigeration work pattern, operation principle is identical with general frequency conversion or non-frequency air-conditioning, indoor heat is dissipated to the exterior space by vapor-compression refrigerant cycle, reaches the cooling down effect of the interior space; When outdoor temperature is lower than the indoor temperature certain value, compressor bank is closed, unit enters the heat-pipe refrigerating mode of operation automatically, by the heat pipe energy-saving module gaseous refrigerant is brought to condensation heat release in the condenser, become at last condensate liquid, condensate liquid again in the effect of heat pipe energy-saving module downstream to the evaporimeter absorbing heat, whole system by the heat pipe energy-saving module with indoor heat to outdoor transmission.
Claims (5)
1. multi-stage heat pipe heat pump hybrid system, comprise one-level heat pipe hot pump recombiner unit (11), evaporator fan (2), condenser fan (3), heat exchanger and connecting pipe, it is characterized in that, also comprise secondary heat pipe heat pump recombiner unit (12) and three grades of heat pipe hot pump recombiner units (13), make 4-N level heat pipe hot pump recombiner unit, wherein one-level heat pipe hot pump recombiner unit (11), secondary heat pipe heat pump recombiner unit (12) and three grades of heat pipe hot pump recombiner units (13) all are respectively independently closed circuits, and parallel with one another; The evaporimeter (41 of described one-level heat pipe hot pump recombiner unit (11), secondary heat pipe heat pump recombiner unit (12) and three grades of heat pipe hot pump recombiner units (13); 42; 43) mutually put side by side, the independent input output of oneself is arranged respectively, be assembled in the same housing and be positioned at the air channel that evaporator fan (2) forms, share an evaporator fan (2); The condenser (53 of described one-level heat pipe hot pump recombiner unit (11), secondary heat pipe heat pump recombiner unit (12) and three grades of heat pipe hot pump recombiner units (13); 52; 51) put side by side mutually, the independent input output of oneself is arranged respectively, be assembled in the same housing and be positioned at the air channel that condenser fan (3) forms, share a condenser fan (3).
2. a kind of multi-stage heat pipe heat pump hybrid system according to claim 1 is characterized in that the check valve (112 of described every one-level; 114; 116) be connected in parallel on respectively compressor (61; 62; 63) on, the circulating pump (81 of every one-level; 82; 83) and magnetic valve (101; 102; 103) branch road and the check valve (111 of series connection; 113; 115) and choke valve (91; 92; 93) branch circuit parallel connection of series connection, their input is connected in liquid storage flow straightener (71; 72; 73), output is connected in evaporimeter (41; 42; 43); Like this, described circulating pump (81; 82; 83), magnetic valve (101; 102; 103), evaporimeter (41; 42; 43), check valve (112; 114; 116), condenser (51; 52; 53) and liquid storage flow straightener (71; 72; 73) all be linked in sequence according to above-listed by the every one-level of connecting pipe, formed a multi-stage heat pipe closed circuit; Described compressor (61; 62; 63), condenser (51; 52; 53), the liquid storage flow straightener (71; 72; 73), check valve (111; 113; 115), choke valve (91; 92; 93) and evaporimeter (41; 42; 43) all be linked in sequence according to above-listed by the every one-level of connecting pipe, just formed a multi-stage heat pump closed circuit.
3. a kind of multi-stage heat pipe heat pump hybrid system according to claim 2 is characterized in that, during described multi-stage heat pump refrigeration work work pattern, and compressor (61; 62; 63) open check valve (111; 113; 115) be in conducting state, simultaneously circulating pump (81; 82; 83) close magnetic valve (101; 102; 103) and check valve (112; 114; 116) be in closed condition; During described multi-stage heat pipe heat exchange mode of operation work, compressor (61; 62; 63) close check valve (111; 113; 115) also be in cut-off state, circulating pump (81; 82; 83) open magnetic valve (101; 102; 103) and check valve (112; 114; 116) be in conducting state.
4. a kind of multi-stage heat pipe heat pump hybrid system according to claim 1 is characterized in that, the evaporimeter (41 of described one-level heat pipe hot pump recombiner unit (11), secondary heat pipe heat pump recombiner unit (12) and three grades of heat pipe hot pump recombiner units (13); 42; 43) and condenser (53; 52; 51) all be heat exchanger or the micro-channel heat exchanger that the coil pipe fin forms, its structure is identical, and the heat exchanger of every one-level has separately input and output side.
5. a kind of multi-stage heat pipe heat pump hybrid system according to claim 1, it is characterized in that, described one-level heat pipe hot pump recombiner unit (11), secondary heat pipe heat pump recombiner unit (12) and three grades of heat pipe hot pump recombiner units (13) all are respectively independently closed circuits, they have independently compressor and circulating pump, are independent of each other mutually during its work operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442558 CN202747515U (en) | 2012-09-03 | 2012-09-03 | Multistage heat pipe and heat pump compound system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442558 CN202747515U (en) | 2012-09-03 | 2012-09-03 | Multistage heat pipe and heat pump compound system |
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| CN202747515U true CN202747515U (en) | 2013-02-20 |
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| CN 201220442558 Expired - Lifetime CN202747515U (en) | 2012-09-03 | 2012-09-03 | Multistage heat pipe and heat pump compound system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777995A (en) * | 2012-09-03 | 2012-11-14 | 北京德能恒信科技有限公司 | Multilevel heat pipe and heat pump compound system |
| CN103884068A (en) * | 2014-04-09 | 2014-06-25 | 北京德能恒信科技有限公司 | Novel energy-saving air conditioner for computer room |
| CN109267966A (en) * | 2018-09-17 | 2019-01-25 | 重庆科技学院 | A kind of natural gas wellhead heating under reduced pressure self-contained unit of hydraulic-driven heat-pump-type |
| CN114738832A (en) * | 2022-03-22 | 2022-07-12 | 青岛海尔空调电子有限公司 | Direct expansion type air conditioning system and control method thereof |
-
2012
- 2012-09-03 CN CN 201220442558 patent/CN202747515U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777995A (en) * | 2012-09-03 | 2012-11-14 | 北京德能恒信科技有限公司 | Multilevel heat pipe and heat pump compound system |
| CN102777995B (en) * | 2012-09-03 | 2016-04-13 | 北京德能恒信科技有限公司 | A kind of multi-stage heat pipe heat pump hybrid system |
| CN103884068A (en) * | 2014-04-09 | 2014-06-25 | 北京德能恒信科技有限公司 | Novel energy-saving air conditioner for computer room |
| CN109267966A (en) * | 2018-09-17 | 2019-01-25 | 重庆科技学院 | A kind of natural gas wellhead heating under reduced pressure self-contained unit of hydraulic-driven heat-pump-type |
| CN114738832A (en) * | 2022-03-22 | 2022-07-12 | 青岛海尔空调电子有限公司 | Direct expansion type air conditioning system and control method thereof |
| CN114738832B (en) * | 2022-03-22 | 2024-06-07 | 青岛海尔空调电子有限公司 | Direct expansion type air conditioning system and control method thereof |
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Granted publication date: 20130220 Effective date of abandoning: 20160413 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |