CN102767880B - A kind of heat pipe hot pump hybrid system - Google Patents
A kind of heat pipe hot pump hybrid system Download PDFInfo
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- CN102767880B CN102767880B CN201210266600.3A CN201210266600A CN102767880B CN 102767880 B CN102767880 B CN 102767880B CN 201210266600 A CN201210266600 A CN 201210266600A CN 102767880 B CN102767880 B CN 102767880B
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Abstract
The invention discloses a kind of heat pipe hot pump hybrid system, form primarily of condenser, fluid reservoir, choke valve, compressor, evaporimeter, check valve, circulating pump, two-phase current divider, magnetic valve and circuit controling element; Described condenser and these two, evaporimeter mainly realize the device of energy transport; Described fluid reservoir mainly with the collection realizing gas-liquid two-phase flow be thoroughly separated; The function of described two-phase current divider distributes by proper ratio the gas flow and fluid flow that flow into circulating pump, thus formed and stablize gas-liquid two-phase flow, makes whole system have a stable circulation; The parallel connection of described check valve two on the compressor, the output of branch road and the output of check valve one and choke valve series arm of the series connection of circulating pump, magnetic valve and two-phase current divider are connected to evaporimeter catheter by three-way pipe one, and their input is connected to liquid storage and fills with; Described check valve two and compressor parallel; Described circuit controling element controls the running status of system; This heat pipe hot pump hybrid system not only makes Heat Pump control device for cooling merge, also solve existing heat pump refrigerating device refrigeration time gas-liquid separation and circulation instability on some drawbacks, improve refrigerating efficiency.
Description
Technical field
The invention belongs to cold and hot energy transporting technical field, relate to a kind of heat pipe hot pump hybrid system of carrying out cold and hot energy transporting hot-pipe system and heat pump system are compounded to form mutually.
Background technology
Air-conditioning system at present for Regulate Environment temperature mainly consists of indoor heat exchanger and outdoor heat exchanger, the temperature adjusting that this air-conditioning system can realize condensing agent by the highly energy-consuming of compressor in indoor heat exchanger, thus indirectly change indoor environment temperature, this air-conditioning system does not accomplish good economize energy, when the outdoor temperature is lower than the indoor temperature, because (extraneous dust concentration is large for certain reason, air pollution etc.) direct cross-ventilation cooling can not be carried out by window opened via, at this moment the compressor also having to open highly energy-consuming carries out temperature adjustment, this phenomenon is at high temperature dustproof environment (machine room, special high temperature occasion such as electricity room etc.) show obvious especially, because use occasion heat dissipation equipment is concentrated, heat dissipation capacity is large, space temperature is high, quick heating, dust-proofly require high characteristic, make to use traditional air conditioner to be difficult to save energy here, heat pump cooling is started even if also have to when outdoor temperature is more much lower than indoor temperature, and present relative energy-saving a kind of introduces the mode that all-fresh air carries out lowering the temperature, and a lot of area is inapplicable at home, can a large amount of outdoor dust and humid air be brought into indoor, the safety affecting indoor equipment is normal to be run.
The form of another kind of employing wind---wind heat exchanger can avoid outdoor dust and humid air to introduce indoor, but need to offer larger ventilation hole on the safeguard structures such as equipment room, machine room enclosure wall, not only destroy the stability of body of wall, also have stolen potential safety hazard.
Some season throughout the year, as winter and spring and autumn, lower than the design temperature in indoor heat release region and when can not carry out indoor-outdoor air convection current in outdoor temperature, the compressor also not having a kind of system can need not open highly energy-consuming in this case just can carry out indoor temperature control, even if in this case, the compressor that existing air-conditioning system must start highly energy-consuming particularly those caloric values is concentrated and is required that control temperature is carried out to environment in high workplace to cleannes, this scheme still adopting heat pump to carry out lowering the temperature to cool is not energy-conservation, thus cause the unnecessary waste of electric energy, operation costs remain high.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art existence, for solving the large problem of energy consumption existed in heat pump, and provide a kind of structure simple, implement easily, the heat pipe hot pump hybrid system of energy-saving and emission-reduction, can automatically enable energy saver mode to regulate indoor temperature under the suitable condition of outdoor temperature, can safely, reliable, stable, the energy-conservation automatic running refrigerating circulatory system.
Technical solution problem of the present invention adopts following technical scheme:
A kind of heat pipe hot pump hybrid system, is formed primarily of condenser, liquid storage part flow arrangement, check valve, choke valve, circulating pump, magnetic valve, evaporimeter, compressor and circuit controling element; Described condenser and these two, evaporimeter mainly realize the device of energy transport; Described condenser output is positioned at the top of fluid reservoir liquid refrigerant liquid level, and choke valve liquid feeding end is positioned at the bottom of fluid reservoir liquid refrigerant liquid level; Described compressor, condenser, fluid reservoir, check valve one, choke valve, evaporimeter are linked in sequence according to above-listed by pipeline each other, constitute a heat pump cycle loop; The parallel connection of described check valve two on the compressor; The output of branch road and the output of check valve one and choke valve series arm of the series connection of described circulating pump, magnetic valve and two-phase current divider are connected to evaporimeter catheter by three-way pipe one, and their input is connected to fluid reservoir; Then circulating pump, magnetic valve, evaporimeter, check valve two, condenser and fluid reservoir are linked in sequence according to above-listed by connecting pipe, constitute a heat pipe circulatory system; When system works with heat pump cycle, compressor is opened, check valve one is in conducting state, simultaneously circulation pump, and magnetic valve and check valve two are in closed condition, when system works with heat pump cycle, circulating pump is opened, and magnetic valve and check valve two are in conducting state, and compressor cuts out, check valve one is also in cut-off state.Described circuit controling element controls the running status of system; These two circulations are environmentally carried out exchange work and are just constituted a kind of heat pipe hot pump hybrid system with demand like this, it not only makes Heat Pump control device for cooling merge, also solve existing heat pump refrigerating device refrigeration time gas-liquid separation and circulation instability on some drawbacks, improve refrigerating efficiency.
The above fluid reservoir is connected between the input of condenser catheter output and circulating pump and magnetic valve series arm or check valve one and choke valve series arm, be the high-pressure-resistant sealed container that an outer surface is provided with thermal insulation layer, the function of fluid reservoir is the gas-liquid separation and the storage that realize periodic duty medium; Fluid reservoir volume size should match with the volume of evaporimeter and condenser; The mode that fluid reservoir realizes gas-liquid separation can select simple gravity settling separation, also can arrange filter screen or baffle plate at the refrigeration working medium input of fluid reservoir, is separated or baffling separation to realize silk screen.
The function of the above two-phase current divider distributes by proper ratio the gas flow and fluid flow that flow into circulating pump, thus gas-liquid two-phase flow is stablized in formation, the structure of described two-phase current divider is a vertical pipeline being in fluid reservoir, tube wall longitudinal direction is provided with return port, the main liquid return hole of this pipeline is in fluid reservoir bottom, usually under working media liquid level, its liquid outlet is connected to circulating pump input pipe through fluid reservoir, the quantity of return port mesopore can be one or more composition, it has hole for back flow and return-air hole two kinds of forms, return-air hole position to be in fluid reservoir on liquid level, hole for back flow position to be in fluid reservoir under liquid level, it also can be a backflow seam longitudinally distributed, it can replace the effect of multiple genesis analysis return port, the a small amount of gaseous state flowed in return port or backflow seam or the flow of liquid refrigerant have its pore size and number or gap width and length to control, namely in liquid storage part flow arrangement, liquid refrigerant liquid level height controls the number in the hole in return port or the length of backflow seam, the magnitude of recruitment of the gaseous refrigerant working medium making it flow into is suitable for, meet the demand of the two-phase flow circulation of the whole circulatory system.
The above choke valve can be thermal expansion valve or electric expansion valve; Described magnetic valve is mainly in closed condition when compressor operating, stops liquid storage pot liquid directly to enter evaporimeter by circulating pump place branch road; Described circulating pump should select the positive displacement gas-liquid two-phase flow circulating pump simultaneously can carrying gas and liquid, gear pump, lobe pump, screw pump, rotopiston pump, reciprocating piston pump can be selected, gaseous refrigerant and liquid refrigerant can be passed through simultaneously, and by regulating pump flow to realize regulating system heat output.
The above circuit control part controls circuit logic computing and the equipment run switch of whole device, can realize automation start and stop as required.
The present invention compared with prior art, separate heat pipe technology and steam compression type refrigeration technology are merged mutually, have complementary advantages, make full use of the power-saving technology of natural cooling source, radiating and cooling is carried out by heat pump cycle when indoor required design temperature is lower than outdoor temperature, when indoor required design temperature carries out radiating and cooling than during outdoor temperature height by heat pipe circulation, for throughout the year, the time exceeding 2/3rds is had to be that outdoor temperature is lower than indoor required design temperature, like this under heat pipe energy-saving pattern, highly energy-consuming compressor is without the need to starting, only with the heat pipe energy-saving module and the blower fan that start low power consuming, energy consumption is extremely low, in cooling mode, due to the advantage of two kinds of Refrigeration Technique plyability designs, make refrigeration efficiency than being better than general air-conditioning, energy-saving effect is remarkable, and this heat pipe hot pump hybrid system can be applied to the heat radiation temperature control in the fields such as base station, machine room and large electric appliances equipment.
Accompanying drawing explanation
Fig. 1 is the embodiment structural representation of heat pipe hot pump hybrid system.
Fig. 2 is the planar structure schematic diagram of return port and backflow seam.
In figure: (1) condenser; (2) evaporimeter; (3) fluid reservoir; (4) choke valve; (5) compressor; (6) circulating pump; (7) magnetic valve; (8) check valve one; (9) check valve two; (10) three-way pipe one; (11) three-way pipe two; (12) three-way pipe three; (13) choke valve woven hose; (14) condenser catheter; (15) circulating pump input pipe; (16) evaporimeter catheter; (17) evaporimeter wireway; (18) condenser wireway; (19) condenser output; (20) liquid return hole; (21) choke valve input; (22) return port; (23) two-phase current divider; (24) backflow seam.
Detailed description of the invention
A kind of heat pipe hot pump hybrid system shown in Fig. 1, comprise condenser (1), evaporimeter (2), fluid reservoir (3), choke valve (4), compressor (5), circulating pump (6), magnetic valve (7), check valve one (8), check valve two (9), three-way pipe one (10), three-way pipe two (11), three-way pipe three (12), choke valve woven hose (13), condenser catheter (14), circulating pump input pipe (15), evaporimeter catheter (16), evaporimeter wireway (17), condenser wireway (18), condenser output (19), liquid return hole (20), choke valve input (21), return port (22), two-phase current divider (23), backflow seam (24) and circuit controling element, described compressor (5), three-way pipe three (12), condenser (1), fluid reservoir (3), check valve one (8), choke valve (4), three-way pipe one (10), evaporimeter (2) and three-way pipe two (11) is linked in sequence according to above-listed by pipeline each other, constitutes a heat pump cycle loop, described check valve two (9) is connected in parallel on compressor (5), the output of circulating pump (6) and magnetic valve (7) series arm and the output of check valve one (8) and choke valve (4) series arm are connected to evaporimeter catheter (16) by three-way pipe one (10), their input is connected to fluid reservoir (3), make compressor (5) out of service, magnetic valve (7) and circulating pump (6) bring into operation simultaneously, refrigeration working medium walks the branch road that circulating pump (6) and magnetic valve (7) connect due to the draft effect of circulating pump (6), check valve one (8) is because an end pressure general goal of access choke valve (4) is in off-state, check valve two (9) conducting evaporimeter (2) output and condenser (1) input, then circulating pump (6), magnetic valve (7), three-way pipe one (10), evaporimeter (2), three-way pipe two (11), check valve two (9), three-way pipe three (12), condenser (1), fluid reservoir (3) and two-phase current divider (23) are linked in sequence according to above-listed by associated conduit, constitute a heat pipe closed circuit, these two circulations are environmentally carried out exchange work and are just constituted a kind of heat pipe hot pump hybrid system with demand like this.
When using heat pump refrigerating mode of operation, compressor (5) is opened, check valve one (8) is in conducting state, circulating pump (6) cuts out simultaneously, magnetic valve (7) and check valve two (9) are in closed condition, pressure is taken out due to compressor (5), check valve two (9) place branch road does not almost have passing through of refrigeration working medium, such liquid condensation agent heat absorption in evaporimeter (2) reduces indoor temperature, liquid condensation agent after heat absorption becomes gaseous state, become high-temperature high-pressure state by compressor (5) gaseous refrigerant and carry to condenser (1), high temperature and high pressure gaseous refrigerant enters in condenser (1) by three-way pipe three (12) and condenser wireway (18), then high temperature and high pressure gaseous refrigerant heat radiation liquefy cold-producing medium in condenser (1), liquid refrigerant enters fluid reservoir (3) through condenser catheter (14) under the promotion of high-pressure gaseous refrigerant, gas-liquid refrigeration intermediate medium is separated in fluid reservoir according to respective physical property, high-pressure liquid intermediate medium passes through choke valve input (21) successively through check valve one (8), choke valve (4), three-way pipe one (10) and evaporimeter catheter (16) enter into evaporimeter (2) and circulate next time.
When using heat-pipe refrigerating mode of operation, compressor (5) cuts out, check valve one (8) is also in cut-off state, circulating pump (6) is opened, magnetic valve (7) and check valve two (9) are in conducting state, circulating pump (6) is extracted a large amount of liquid refrigeration working medium and is supplemented a small amount of gaseous refrigerant working medium of whole stable circulation by the part of return port (22) in fluid reservoir (3), successively through magnetic valve (7), three-way pipe one (10) and evaporimeter catheter (16) enter evaporimeter (2), evaporimeter (2) contacts with high temperature heat source, liquid working media is evaporated to gas by the heating of high temperature heat source in evaporimeter (2), and absorb heat, the gas that evaporation is formed and the liquid intermediate medium that part is not evaporated mutually are mixed to form gas-liquid two-phase fluid in flow at high speed, they are successively through evaporimeter wireway (17), three-way pipe two (11), check valve two (9), three-way pipe three (12) and condenser wireway (18) enter condenser (1), condenser (1) contacts with low-temperature heat source, gaseous working medium is condensed into liquid by the cooling of low-temperature heat source in condenser (1), and release heat, condensation formed liquid-working-medium circulating pump (6) take out pressure effect under, enter in fluid reservoir (3) through condenser catheter (14), it carries out gas-liquid separation, store and shunting, circulate next time.
This like this heat pipe hot pump hybrid system can according to the difference of indoor required design temperature and outdoor temperature, optionally (it can complete Automatic Control, also can pass through to control to adjust duty manually) run on heat pump refrigerating mode of operation or heat-pipe refrigerating mode of operation, ensureing that the prerequisite that room temperature lowering requires is issued to energy-saving run; When outdoor temperature is higher or indoor load is excessive, heat pipe hot pump hybrid system operating heat pump refrigeration work pattern, operation principle is identical with general frequency conversion or non-frequency air-conditioning, and 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 indoor temperature certain value, compressor cuts out, unit enters heat-pipe refrigerating mode of operation automatically, by heat pipe energy-saving module, gaseous refrigerant is brought to condensation heat release in condenser, finally become condensate liquid, condensate liquid absorbs heat at heat pipe energy-saving module flows by action to evaporimeter again, and whole system passes through heat pipe energy-saving module by indoor heat to outdoor transmission.
Claims (8)
1. a heat pipe hot pump hybrid system, comprise condenser (1), evaporimeter (2), compressor (5), choke valve (4), fluid reservoir (3), wireway, catheter and circuit controling element, it is characterized in that, also comprise circulating pump (6), two-phase current divider (23), magnetic valve (7), check valve one (8) and check valve two (9); Described condenser (1) and these two, evaporimeter (2) mainly realize the device of energy transport; Described fluid reservoir (3) is connected between the input of condenser catheter (14) output and circulating pump (6) and magnetic valve (7) series arm or check valve one (8) and choke valve (4) series arm; Described condenser output (19) is positioned at the top of fluid reservoir (3) liquid refrigerant liquid level, and choke valve liquid feeding end (21) is positioned at the bottom of fluid reservoir (3) liquid refrigerant liquid level; Such compressor (5), condenser (1), fluid reservoir (3), check valve one (8), choke valve (4), evaporimeter (2) are linked in sequence according to above-listed by pipeline each other, constitute a heat pump cycle loop; Described check valve two (9) is connected in parallel on compressor (5); The output of the branch road that circulating pump (6), magnetic valve (7) and two-phase current divider (23) are connected and the output of check valve one (8) and choke valve (4) series arm are connected to evaporimeter catheter (16) by three-way pipe one (10), and their input is connected to fluid reservoir (3); Such circulating pump (6), magnetic valve (7), evaporimeter (2), check valve two (9), condenser (1) and fluid reservoir (3) are linked in sequence according to above-listed by connecting pipe, constitute a heat pipe circulatory system; When described heat pipe hot pump hybrid system works in heat pump cycle mode, compressor (5) is opened, and check valve one (8) is in conducting state, and circulating pump (6) cuts out simultaneously, and magnetic valve (7) and check valve two (9) are in closed condition; When described heat pipe hot pump hybrid system works with heat pipe endless form, circulating pump (6) is opened, magnetic valve (7) and check valve two (9) are in conducting state, compressor (5) cuts out, check valve one (8) is in cut-off state, and above-mentioned two kinds of circulations environmentally can carry out switch operating with demand.
2. a kind of heat pipe hot pump hybrid system according to claim 1, is characterized in that, the function of described two-phase current divider (23) distributes by proper ratio the gas flow and fluid flow that flow into circulating pump (6), thus gas-liquid two-phase flow is stablized in formation; The structure of described two-phase current divider (23) is a vertical pipeline being in fluid reservoir (3), tube wall longitudinal direction is provided with return port (22), the main liquid return hole (20) of this pipeline is in fluid reservoir bottom, usually, under working media liquid level, its liquid outlet is connected to circulating pump input pipe (15) through fluid reservoir (3).
3. a kind of heat pipe hot pump hybrid system according to claim 2, is characterized in that, described return port (22) is a hole, or highly different multiple holes; It has hole for back flow and return-air hole two kinds of forms, and return-air hole position is on fluid reservoir (3) interior liquid level, and hole for back flow position is under fluid reservoir (3) interior liquid level.
4. a kind of heat pipe hot pump hybrid system according to claim 2, is characterized in that, described return port (22) at least one to stitch (24) along the backflow of duct orientation, and it can replace the effect of multiple return port along Cemented filling directional spreding.
5. a kind of heat pipe hot pump hybrid system according to claim 4, it is characterized in that, the a small amount of gaseous state flowed in described return port (22) or backflow seam (24) or the flow of liquid refrigerant have its pore size and number or gap width and length to control, namely in fluid reservoir (3), liquid refrigerant liquid level height controls the number in the hole in return port (22) or the length of backflow seam (24), the magnitude of recruitment of the gaseous state making it flow into is suitable for, meet the demand of two-phase flow circulation when described heat pipe hot pump hybrid system works with heat pipe endless form.
6. a kind of heat pipe hot pump hybrid system according to claim 1, it is characterized in that, described circulating pump (6) should select the positive displacement gas-liquid two-phase flow circulating pump simultaneously can carrying gas and liquid, gear pump, lobe pump, screw pump, rotopiston pump, reciprocating piston pump can be selected, gaseous refrigerant and liquid refrigerant can be passed through simultaneously, and realize heat output when regulating described heat pipe hot pump hybrid system to work with heat pipe endless form by adjustment pump flow.
7. a kind of heat pipe hot pump hybrid system according to claim 1, it is characterized in that, described magnetic valve (7) is mainly in closed condition when compressor (5) works, and stops fluid reservoir (3) interior liquid directly to enter evaporimeter (2) by circulating pump (6) place branch road; Described choke valve (4) is thermal expansion valve or electric expansion valve.
8. a kind of heat pipe hot pump hybrid system according to claim 1, is further characterized in that: described circuit controling element controls circuit logic computing and the equipment run switch of whole device, can realize automation start and stop as required.
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| CN102767880B true CN102767880B (en) | 2016-01-27 |
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| CN105423656B (en) * | 2015-12-23 | 2018-02-06 | 广东美的暖通设备有限公司 | refrigeration system and its control method |
| CN106322578A (en) * | 2016-08-30 | 2017-01-11 | 梁嘉麟 | High-rise building air conditioner system capable of enabling low-power refrigerant liquid pump and air pump to replace sensible heat energy transmission of high-power water pump |
| CN110455001A (en) * | 2019-09-06 | 2019-11-15 | 北京中普瑞讯信息技术有限公司 | A kind of refrigeration system |
| CN112611241B (en) * | 2020-12-15 | 2021-11-02 | 山东大学 | Separated heat pipe system capable of adjusting flow resistance and using method |
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