CN203687450U - Direct-expansion heat pump type comprehensive energy consumption system - Google Patents

Direct-expansion heat pump type comprehensive energy consumption system Download PDF

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Publication number
CN203687450U
CN203687450U CN201420030644.0U CN201420030644U CN203687450U CN 203687450 U CN203687450 U CN 203687450U CN 201420030644 U CN201420030644 U CN 201420030644U CN 203687450 U CN203687450 U CN 203687450U
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China
Prior art keywords
valve
expansion
air
direct
refrigerating chamber
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Expired - Fee Related
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CN201420030644.0U
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Chinese (zh)
Inventor
郭永辉
方永梅
侯根富
高兰周
李祎彧
戴贵龙
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Fujian University of Technology
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Fujian University of Technology
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Abstract

The utility model discloses a direct-expansion heat pump type comprehensive energy consumption system. The comprehensive energy consumption system comprises a direct-expansion pipeline system which comprises an air-conditioning cold water tank, a compressor, a hot water tank and a throttling expansion valve, wherein the air-conditioning cold water tank, the compressor, the hot water tank and the throttle expansion valve are sequentially connected to form a water loop. An evaporator is correspondingly installed on the air-conditioning cold water tank, and a condenser is correspondingly installed on the hot water tank; two sets of pipeline systems with throttling capillary tubes connected with the evaporator in series are respectively additionally arranged, one end of each pipeline system is an inlet of the corresponding capillary tube and connected with an outlet of the throttling expansion valve, the other end of each pipeline system is an outlet of the evaporator and connected with an air suction port of the compressor to form a refrigerating chamber pipeline system and a freezing chamber pipeline system, and the refrigerating chamber pipeline system and the freezing chamber pipeline system are connected with the throttling expansion valve and the evaporator in the direct-expansion pipeline system in parallel. A control device and method are reliable and can ensure normal and efficient work of the systems, and the comprehensive energy consumption system is easy to operate, install and construct and low in operation cost after installation and commissioning.

Description

The comprehensive energy consumption system of direct-expansion-type pump type heat
Technical field
The utility model relates to power-saving technology comprehensive application technology field, and specifically, the utility model relates to that a kind of direct-expansion-type pump type heat heats, refrigeration, comprehensive hot water energy consumption system.
Background technology
In family life, cosmetology salon and convenience store, there is widely the air-conditioning, hot water of heat supply and cooling, the actual demand such as food refrigerated.For meeting actual demand, have to configure the electrical equipment such as air-conditioning, water heater, refrigerator ice cabinet.Although met productive life demand, also had some problems:
1) each equipment principle is identical, and chief component parts are similar, but function singleness can only meet a certain or two demands wherein.Such as: domestic heat pump air conditioner is compared with refrigerator ice cabinet, all adopt vapor-compression refrigerant cycle, its principle is all from Carnot cycle and contrary Carnot cycle, their chief component by compressor, condenser, choke valve, this four large part of evaporimeter in addition necessary control and safety component form.Air-conditioning has only met hot-cool demand, and refrigerator ice cabinet has only met food refrigerated demand.
2) each equipment forms separately, and independent operating takes up room.For meeting actual demand, have to configure the electrical equipment such as air-conditioning, water heater, refrigerator ice cabinet, be distributed in the different spaces in building.
3)) each equipment independent operating, overall efficiency is low, and cold-hot counteraction even occurs, and causes place capacity to strengthen, and increases initial cost.During take summer, family life is example, need air-conditioning, and food fresh keeping needs refrigerator ice cabinet in building.Refrigerator ice cabinet is to add that maintaining the heat that food fresh keeping need to discharge the merit of compressor consumption own is all emitted in building with the form of heat, and one of this part heat thermic load that air-conditioning need to solve exactly, air-conditioning need to provide cold to offset the heat that refrigerator ice cabinet discharges.While use such as, summer air-conditioning again, outdoor being discharged in vain of the thermic load in building, meanwhile consume again electric energy and use water heater generation hot water, meet life requirement.
The main way addressing the above problem is at present air-conditioning demand and hot water demand, the utilization of solar energy even in addition, and these several parts combine unified solution.And the refrigeration demand such as food fresh keeping important in family life and convenience store are seldom taken into account.
Utility model content
The technical problems to be solved in the utility model is unified the functional requirement of the electrical equipment such as air-conditioning, water heater, refrigerator ice cabinet, utilizes a set of direct-expansion-type heat pump to realize the function of heat supply, cooling, supplying hot water simultaneously.
The technical scheme that the utility model provides is: the comprehensive energy consumption system of a kind of direct-expansion-type pump type heat, comprise a direct-expansion-type pipe-line system, direct-expansion-type pipe-line system comprises air-conditioning cold water tank, compressor, boiler, the throttle expansion valve of the formation water loops that is linked in sequence, air-conditioning cold water tank correspondence is provided with evaporimeter, and boiler correspondence is provided with condenser; Add respectively 2 groups of throttle capillary tube and evaporator series pipe-line systems, one end is entrance capillaceous, connect the outlet of throttle expansion valve by pipeline, the other end is the outlet of evaporimeter, be connected with the air entry of compressor, form two groups of refrigerating chamber pipe-line system and refrigerating chamber pipe-line systems in parallel with throttle expansion valve, evaporimeter in direct-expansion-type pipe-line system; Refrigerating chamber pipe-line system comprises the throttle capillary tube, evaporimeter, controller, the first valve that connect by pipeline; Refrigerating chamber pipe-line system comprises the throttle capillary tube, evaporimeter, controller, the second valve that connect by pipeline; Throttle capillary tube is connected with throttle expansion valve by the 3rd valve; Refrigerating chamber pipe-line system and refrigerating chamber pipe-line system are connected on the pipeline of compressor air suction mouth by the 4th valve; Temperature sensor is connected with refrigerating chamber, refrigerating chamber respectively; The water loops system that air-conditioning cold water tank and boiler heat by the external water supply and sewage composition of the 5th valve air conditioner refrigerating; Controller is connected with the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve respectively.
Described air conditioner cold water upper box part is connected with pipeline fan, and open top; Summer condition is air-conditioning cold water tank, realizes water and evaporimeter heat-shift; Winter condition is air-cooled double water cooling box, realizes outdoor air and water jointly and evaporimeter heat-shift.
Described the first valve, the second valve, the 3rd valve and the 5th valve are magnetic valve or stop valve, and the 4th valve is check-valves.
The interlock of described the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve is electronic or hydraulic drive.
The utlity model has following advantage:
1, control device of the present utility model and method are reliable, can safeguards system work normally and efficiently;
2, simple to operate, change according to refrigerating chamber and temperature of refrigerating chamber size, and the setting of winter operation condition in summer, realize and switch corresponding pipe-line system by the switch of interlock control valve;
3, installation is simple, and after installation and debugging, operating cost is low;
4, a kind of direct-expansion-type pump type heat of the present utility model heats, refrigeration, comprehensive hot water energy consumption system control device can manually control, and can automatically control again, and applicability is strong.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, does not form to improper restriction of the present utility model, wherein:
Fig. 1 is that the utility model direct-expansion-type pump type heat heats, refrigeration, comprehensive hot water energy consumption system control device structural representation;
Fig. 2 is the flow chart of the utility model embodiment;
In figure: 1 compressor 2 boiler 3 expansion valve 4 air-conditioning cold water tank 5 refrigerating chamber 6 refrigerating chambers 7,8,9,13,14,15,16,17 valve 10,11,12 check-valves 18 temperature sensor 19 controller 20 pipeline fan 21 drain valve 22,23 capillary 24,25 temperature-sensing probes.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Consult Fig. 1, the comprehensive energy consumption system of the utility model direct-expansion-type pump type heat, comprises a compressor 1, a boiler 2, an expansion valve 3, an air-conditioning cold water tank 4 and refrigerating chamber pipe-line system 5, one refrigerating chamber pipe-line systems 6; Compressor 1 is connected with boiler 2, and boiler 2, expansion valve 3, air-conditioning cold water tank 4 and compressor 1 connect successively; Refrigerating chamber pipe-line system 5 comprises a throttle capillary tube 22, an evaporimeter 5, a controller 19, one first valve 8; Refrigerating chamber pipe-line system system comprises a throttle capillary tube 23, an evaporimeter 6, a controller 18, one second valve 9; Throttle capillary tube 22,23 is connected with throttle expansion valve 3 by the 3rd valve 7; Refrigerating chamber pipe-line system and refrigerating chamber pipe-line system are connected on the pipeline of compressor air suction mouth by the 4th valve 10,11,12; Temperature sensor 18 is connected with refrigerating chamber 6 and refrigerating chamber 5 respectively; Air-conditioning cold water tank 4 forms by the 5th valve 14,15,16,17 the water loops system that air conditioner refrigeratings heat with boiler 2.Controller is connected with the first valve 8, the second valve 9, the 3rd valve 7 and the 5th valve 14,15,16,17 respectively.
Embodiment 1:
Consult Fig. 1 and Fig. 2, with refrigerating capacity 5kW, the direct-expansion-type pump type heat of heating capacity 4.5kW heats, refrigeration, comprehensive hot water energy consumption system are instantiation.Cold-producing medium adopts R12,200 liters of boilers, and air-conditioning cold water tank is 150 liters.Condenser and evaporimeter all adopt single U copper tube group.Compressor is selected the freezing screw compressor ZB21KQEP of paddy wheel ZB series as calculated.
Direct-expansion-type pump type heat heats, the concrete operation step of refrigeration, comprehensive hot water energy consumption system control method is as follows:
Step S1: be 2 ℃ in evaporating temperature, condensation temperature is 55 ℃, and suction temperature is 10 ℃, degree of supercooling is, under the cooling condition of 2 ℃, to preset refrigerated storage temperature scope Tc at 0~5 ℃, cryogenic temperature scope Td is at-7~0 ℃.
Step S2: start operation enters air conditioner refrigerating operating mode;
Step S3: enter normal operating condition, temperature sensor 18 starts continuous detecting temperature of refrigerating chamber Tc, in the time that Tc is less than 0 ℃, temperature sensor is to controller 19 1 signal instructions, controller 19 cuts out the first valve 8, the cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 no longer flow through a throttle capillary tube 22, an evaporimeter 5 of refrigerating chamber pipe-line system 5; In the time that Tc is greater than 5 ℃, temperature sensor is to controller 19 1 signal instructions, controller is opened the first valve 8, a throttle capillary tube 22, an evaporimeter 5 that cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 is flowed through in refrigerating chamber pipe-line system system 5 again return compressor 1 air entry pipeline, repetitive cycling.
Step S4: temperature sensor continuous detecting temperature of refrigerating chamber Td, in the time that Td is less than-7 ℃, temperature sensor is to controller 19 1 signal instructions, controller cuts out the second valve 9, the cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 no longer flow through a throttle capillary tube 23, an evaporimeter 6 in refrigerating chamber pipe-line system 6; In the time that Td is greater than 0 ℃, temperature sensor is to controller 19 1 signal instructions, controller is opened the second valve 9, and a throttle capillary tube 23, an evaporimeter 6 that the cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 is flowed through in refrigerating chamber pipe-line system system 6 again return compressor 1 air entry pipeline.
Step S5: controller 19 controls the 5th valve 14,16 and cuts out, and the 5th valve 15,17 is opened.Running water enters after boiler 2 is heated and supplies domestic hot-water; Air-conditioning backwater through 15, valve enter air-conditioning cold water tank 4 freezing after, then through valve 17, supply air conditioning water.Cold-producing medium, after compressor 1 pressurized, enters boiler 2, and after throttle expansion valve 3, part or all enters idle call cold water storage cistern 4, returns compressor; Separately some,, after refrigerating chamber pipe-line system 5 and refrigerating chamber pipe-line system 6, returns compressor.Above-mentioned steps repetitive cycling;
Step S6: start operation enters air-conditioning heating operating mode;
Step S7: enter normal operating condition, temperature sensor 18 starts continuous detecting temperature of refrigerating chamber Tc, in the time that Tc is less than 0 ℃, temperature sensor is to controller 19 1 signal instructions, controller 19 cuts out the first valve 8, the cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 no longer flow through a throttle capillary tube 22, an evaporimeter 5 of refrigerating chamber pipe-line system 5; In the time that Tc is greater than 5 ℃, temperature sensor is to controller 19 1 signal instructions, controller is opened the first valve 8, a throttle capillary tube 22, an evaporimeter 5 that cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 is flowed through in refrigerating chamber pipe-line system system 5 again return compressor 1 air entry pipeline, repetitive cycling.
Step S8: temperature sensor continuous detecting temperature of refrigerating chamber Td, in the time that Td is less than-7 ℃, temperature sensor is to controller 19 1 signal instructions, controller cuts out the second valve 9, the cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 no longer flow through a throttle capillary tube 23, an evaporimeter 6 in refrigerating chamber pipe-line system 6; In the time that Td is greater than 0 ℃, temperature sensor is to controller 19 1 signal instructions, controller is opened the second valve 9, and a throttle capillary tube 23, an evaporimeter 6 that the cold-producing medium low pressure liquid after direct-expansion-type heat pump throttle expansion valve 3 is flowed through in refrigerating chamber pipe-line system system 6 again return compressor 1 air entry pipeline.
Step S9: controller 19 is controlled the 5th valve 14,16 and opened, and the 5th valve 15,17 is closed.Part running water enters after boiler 2 is heated supplies domestic hot-water; Air-conditioning backwater after 14, valve enters boiler 2 heating, then through valve 16, supply air conditioning hot.Cold-producing medium is after compressor 1 pressurized, enter boiler 2, after throttle expansion valve 3, part or all enters idle call cold water storage cistern 4, after pipeline fan 20 is opened and after outdoor air heat exchange (now evaporimeter by summer water-cooled become the air-cooled of winter), return compressor 1; Separately some,, after refrigerating chamber pipe-line system 5 and refrigerating chamber pipe-line system 6, returns compressor.Above-mentioned steps repetitive cycling;
The explanation of above example is just for helping to understand core concept of the present utility model; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims (4)

1. the comprehensive energy consumption system of direct-expansion-type pump type heat, it is characterized in that, comprise a direct-expansion-type pipe-line system, direct-expansion-type pipe-line system comprises air-conditioning cold water tank, compressor, boiler, the throttle expansion valve of the formation water loops that is linked in sequence, air-conditioning cold water tank correspondence is provided with evaporimeter, and boiler correspondence is provided with condenser;
Add respectively 2 groups of throttle capillary tube and evaporator series pipe-line systems, one end is entrance capillaceous, connect the outlet of throttle expansion valve by pipeline, the other end is the outlet of evaporimeter, be connected with the air entry of compressor, form two groups of refrigerating chamber pipe-line system and refrigerating chamber pipe-line systems in parallel with throttle expansion valve, evaporimeter in direct-expansion-type pipe-line system;
Refrigerating chamber pipe-line system comprises the throttle capillary tube, evaporimeter, controller, the first valve (8) that connect by pipeline;
Refrigerating chamber pipe-line system comprises the throttle capillary tube, evaporimeter, controller, the second valve (9) that connect by pipeline;
Throttle capillary tube is connected with throttle expansion valve by the 3rd valve (7);
Refrigerating chamber pipe-line system and refrigerating chamber pipe-line system are connected on the pipeline of compressor air suction mouth by the 4th valve (10,11,12);
Temperature sensor is connected with refrigerating chamber, refrigerating chamber respectively;
The water loops system that air-conditioning cold water tank and boiler heat by the external water supply and sewage composition of the 5th valve (14,15,16,17) air conditioner refrigerating;
Controller is connected with the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve respectively.
2. the comprehensive energy consumption system of a kind of direct-expansion-type pump type heat according to claim 1, is characterized in that, described air conditioner cold water upper box part is connected with pipeline fan, and open top; Summer condition is air-conditioning cold water tank, realizes water and evaporimeter heat-shift; Winter condition is air-cooled double water cooling box, realizes outdoor air and water jointly and evaporimeter heat-shift.
3. the comprehensive energy consumption system of a kind of direct-expansion-type pump type heat according to claim 1, is characterized in that, described the first valve, the second valve, the 3rd valve and the 5th valve are magnetic valve or stop valve, and the 4th valve is check-valves.
4. the comprehensive energy consumption system of a kind of direct-expansion-type pump type heat according to claim 1, is characterized in that, the interlock of described the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve is electronic or hydraulic drive.
CN201420030644.0U 2014-01-17 2014-01-17 Direct-expansion heat pump type comprehensive energy consumption system Expired - Fee Related CN203687450U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103776114A (en) * 2014-01-17 2014-05-07 福建工程学院 Direct expansion type heat pump type comprehensive energy utilization system and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103776114A (en) * 2014-01-17 2014-05-07 福建工程学院 Direct expansion type heat pump type comprehensive energy utilization system and control method thereof
CN103776114B (en) * 2014-01-17 2016-09-28 福建工程学院 The comprehensive energy consumption system of direct-expansion-type pump type heat and control method thereof

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140702

Termination date: 20170117