CN204943633U - A kind of source pump for radiator heating - Google Patents
A kind of source pump for radiator heating Download PDFInfo
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- CN204943633U CN204943633U CN201520717950.6U CN201520717950U CN204943633U CN 204943633 U CN204943633 U CN 204943633U CN 201520717950 U CN201520717950 U CN 201520717950U CN 204943633 U CN204943633 U CN 204943633U
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Abstract
For a source pump for radiator heating, relate to and adopt the central hot water heating systems of heat pump, particularly relating to a kind ofly provides the source pump of hot water for radiator heating, comprises tonifying Qi and increases enthalpy compressor bank, radiator, high temperature reservoir, middle temperature volume device; Refrigerant circulation loop is from compressor starts, and pass through cross valve successively, high temperature reservoir, middle temperature volume device, economizer, main heating power expansion valve and tonifying Qi expansion valve, and finned heat exchanger, cross valve and gas-liquid separator, return compressor; Control device, by controlling refrigeration system motion flow and the hot-water heating system motion flow of source pump, realizes the temperature control of alternating temperature heating water; The utility model only uses single stage compress and common environment friendly refrigerating fluid just can produce high-temperature-hot-water, can in the requirement of satisfied height heating load change simultaneously, and the function of energy storage when realizing not needing a large amount of heat energy in indoor, plays the effect that paddy is added in peak clipping.
Description
Technical field
The utility model relates to and adopts the central hot water heating systems of heat pump, and particularly relating to a kind ofly provides the source pump of hot water for radiator heating.
Background technology
Northern China air quality declines, haze takes place frequently, the many composite factors of heating high in cost of production, made a decision sincerely in the ground such as Beijing, capital, Tianjin, Hebei, carry out " coal changes electricity " policy energetically, scold 10,000,000,000 yuan to implement electric power accessories rebuilding engineering to traditional small coal heating.Northern heating is main mainly with radiator, and adopting heat pump to be radiator heating is that a kind of important coal changes power technology scheme.Chinese invention patent " heat pump type hot-water central heating " (Chinese invention patent number: ZL03123266.3, Authorization Notice No.: CN1233956C) disclose a kind of heat pump type hot-water central heating, floor heating sheet is connected easily with the hot water pipe arrangement of hot water supply apparatus, and do not need for prevent from freezing and make circulating pump force running.This heat pump type hot-water central heating comprises heat-pump-type off-premises station, floor heating sheet, is connected and the hot water supply apparatus be connected with floor heating sheet with hot water pipe arrangement with off-premises station with refrigerant piping.Described hot water supply apparatus is provided with: make cold-producing medium and water carry out the heating cold-producing medium of heat exchange to water-to-water heat exchanger; Be disposed in the circulating pump in hot water pipe arrangement; For the cold-producing medium valve be connected with off-premises station by refrigerant piping, for the hot water valve be connected with floor heating sheet by hot water pipe arrangement, with the control device that the mode that can communicate is connected with remote controller, and for the order wire terminal for connecting be connected with this control device also and off-premises station can connect communicatedly.Although this invention provides the technical scheme utilizing heat pump to heat for radiator, may be used for the transformation of existing radiator heating system, but, because radiator heating heating temperature when initial heating needs 65 degree, and the temperature of existing heat pump water-heating machine heating is 55 degree, radiator when about 55 degree water temperatures than 65 degree time heat dispersion be reduced to about 60%, such heating effect will decline to a great extent, and indoor reach the temperature-time of setting can be very long.And along with the continuous rising of indoor temperature, when indoor temperature reaches the comfort temperature of setting, now because wall thermal insulating effect is better, heat dissipation capacity is less, and heat if also apply 55 degree of water temperatures, then indoor temperature can be increased over setting value at room temperature, do not reach comfortable temperature requirement, at this moment client opens the window artificially and carries out drawing new wind cooling reduction indoor temperature, thus the heat energy of large losses, operating cost also can significantly increase.When indoor temperature is close to the temperature set, also produce the hot water supply radiator of 55 degree, compressor power consumption can roll up always, and heat dissipation of pipeline also can increase much simultaneously.
The application for a patent for invention " heat pump " (Chinese invention patent application number: 201080012689.X, publication number: CN102348942A) being entered China by PCT application approach discloses a kind of heat pump that can in the heat load process undertaken by secondary refrigerant, cycle efficieny be improved.Heat pump circuit for carbon dioxide coolant circulation has rudimentary side compression machine, senior side compression machine, expansion valve and evaporimeter; The loop that heats being provided as the water circulation of secondary refrigerant has radiator; Be provided as the loop that heats heated by the water circulation of thermal medium and there is the medium voltage side fork stream and high-pressure side fork stream that are connected in parallel to each other; Control part operation heats mixing valve, and diverging in stream to make medium voltage side, it is identical by the temperature of the secondary refrigerant heated in the second water under high pressure heat exchanger in stream to be diverged by the temperature of secondary refrigerant that heats and high-pressure side in middle setting-out heat exchanger.The heating combined equipment of this invention can make cycle efficieny improve in the process of the heat load undertaken by secondary refrigerant, is applicable to adopt the heat pump circuit with multiple compression compressing member to process the heat pump of heat load.Although the technical scheme of this invention can provide the high-temperature-hot-water met needed for the radiator heating initial stage, but, this technical scheme does not solve radiator heating yet and requires different technical problems at different chamber's temperature state to hot water temperature, and the heat pump circuit with multiple compression compressing member needs to use multiple cold-producing medium to the heat pump processing heat load, its system architecture is complicated, involve great expense, the improvement cost causing coal to change electricity is sharply raised.
Utility model content
The purpose of this utility model to provide a kind of source pump for radiator heating, only use single stage compress and common environment friendly refrigerating fluid, just can solve radiator heating, at different chamber's temperature state, different technical problems be required to hot water temperature, the demand be rapidly heated when indoor temperature is lower can either be met, room temperature can be kept constant close to reducing water temperature during setting value at room temperature in indoor temperature again, reaching energy-saving and cost-reducing object.
The utility model solves the problems of the technologies described above adopted technical scheme:
For a source pump for radiator heating, comprise tonifying Qi and increase enthalpy compressor bank, for obtaining heat energy from external heat source; Radiator, for indoor heating heat supply; And control device, for controlling the operation of source pump; It is characterized in that:
The described source pump for radiator heating also comprises high temperature reservoir and middle temperature volume device; Described high temperature reservoir is the high-temperature water tank of the turbulent coil pipe of built-in strengthening, and the sensible heat for absorption refrigeration agent produces high-temperature-hot-water; Described middle temperature volume device is the middle reservoir of built-in spiral heat exchanger, and the latent heat for absorption refrigeration agent produces middle warm water;
The exhaust outlet of compressor, successively by cross valve, the strengthening turbulent flow coil pipe of high temperature reservoir, the spiral heat exchanger of middle temperature volume device, is connected to economizer, by being divided into two-way after economizer, wherein, lead up to main heating power expansion valve, finned heat exchanger, cross valve and gas-liquid separator, be connected to the air inlet of compressor, economizer got back to by tonifying Qi expansion valve of separately leading up to, then is connected to the second vapor injection chamber of compressor from economizer, forms the refrigerant circulation loop that tonifying Qi increases enthalpy compressor bank;
The bottom of described high temperature reservoir is provided with water inlet e, and top is provided with delivery port f; Described middle temperature volume device is provided with 4 water routes and imports and exports, and wherein, water inlet a is directly communicated to the waterway inlet of spiral heat exchanger; Delivery port b is the water route outlet of spiral heat exchanger, and the water tank being opened in middle temperature volume device is inner, and the water after spiral heat exchanger heating flows out from delivery port b, directly enters the bottom of middle temperature volume device; Delivery port c and delivery port d is placed in the tank top of warm volume device;
The delivery port of described radiator is connected to the water inlet a of middle temperature volume device by water pump, the delivery port c of middle temperature volume device is connected to the water inlet B of Three-way Thermostatic Valve, the delivery port d of middle temperature volume device connects the water inlet e of high temperature reservoir, and the delivery port f of high temperature reservoir is connected to the water inlet A of Three-way Thermostatic Valve; The delivery port C of Three-way Thermostatic Valve is connected to the water inlet of radiator, forms radiator heating water circulation loop.
The preferred technical scheme of one of the source pump for radiator heating of the present utility model, is characterized in that being provided with hot water bypass solenoid valve between the delivery port f and radiator delivery port of high temperature reservoir; When hot water bypass solenoid valve is in open mode, the delivery port f of high temperature reservoir is connected to the water inlet a of middle temperature volume device by hot water bypass solenoid valve, the delivery port d of middle temperature volume device is connected to the water inlet e of high temperature reservoir, forms Inner eycle high-temperature water heat cycles loop.
The one preferably technical scheme of the source pump for radiator heating of the present utility model, is characterized in that, at the refrigerant line entrance and exit of described strengthening turbulent flow coil pipe, being connected in parallel to bypass magnetic valve; When the water temperature in high temperature reservoir reaches 80 DEG C, open the bypass magnetic valve of high temperature reservoir, stop the heating to high temperature reservoir; The high-temperature high-pressure gas refrigerant that compressor is discharged, by cross valve and bypass magnetic valve, directly delivers to the spiral heat exchanger in middle temperature volume device; When temperature is lower than 75 DEG C, closes bypass magnetic valve, recover the heating to high temperature reservoir.
The better technical scheme of one of the source pump for radiator heating of the present utility model, it is characterized in that tonifying Qi increases the refrigerant circulation loop of enthalpy compressor bank, also comprise the off-load magnetic valve being connected in parallel on main heating power expansion valve two ends by capillary and check valve, and be connected in parallel on the liquid-filling valve between economized refrigerant entrance and exit; When the exhaust lateral pressure of compressor reaches 2.8MPa, open off-load magnetic valve and carry out off-load, reduce exhaust lateral pressure, protection compressor; When high pressure drops to 2.6MPa, close off-load magnetic valve; When delivery temperature is more than 110 DEG C, opens liquid-filling valve and carry out fluid injection cooling, thus reduce delivery temperature; When delivery temperature is lower than 100 DEG C, close liquid-filling valve.
The beneficial effects of the utility model are:
1, the source pump for radiator heating of the present utility model, by arranging high temperature reservoir, in conjunction with the application of compressor bank off-load technology, source pump can be made only to use single stage compress and common R410A environment friendly refrigerating fluid, just can produce the high-temperature-hot-water of 65-75 DEG C, meet the demand of the high-temperature inlet water under radiator part situation.The innovation of Inner eycle heating, can in the requirement of satisfied height heating load change simultaneously, and the function of energy storage when realizing not needing a large amount of heat energy in indoor, plays the effect that paddy is added in peak clipping.
2, the source pump for radiator heating of the present utility model, the condensation effect of system is improve by arranging middle temperature volume device, simultaneously by extending the holdup time of hot water in middle temperature volume device, the water heating temperature of heat pump can be improved, improving the stability of leaving water temperature.
3, the source pump for radiator heating of the present utility model, by adopting the temperature control of alternating temperature heating water, can ensure the object reaching quick heating when low indoor temperature; When indoor temperature is close to the temperature set, by reducing the inflow temperature of radiator, keeps indoor temperature relative constancy, energy-saving and cost-reducing object can be reached simultaneously.Warm water water temperature during alternating temperature heating temperature control method of water can regulate automatically according to indoor temperature, Three-way Thermostatic Valve outlet temperature, realize in the heating-up temperature of indoor temperature close to adjusting heat pump unit automatic during setting value at room temperature, both source pump can have been avoided always to heat in 55 degree of highly energy-consuming districts, unit frequent starting can also have been avoided.
4, the source pump for radiator heating of the present utility model, is controlled the mixed flow flux of high-temperature-hot-water and middle warm water, can meet the performance requirement of indoor and outdoor varying environment temperature and different radiator by Three-way Thermostatic Valve.By utilizing dynamic tonifying Qi to increase enthalpy technology, source pump can be improved at low ambient temperature, heating capacity time especially below-5 DEG C of environment temperatures and the coefficient of performance, meeting the needs that northern low temp area radiator heating coal changes electricity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the source pump for radiator heating of the present utility model;
Fig. 2 is the schematic diagram of the control device of the source pump for radiator heating of the present utility model;
Fig. 3 is the source pump alternating temperature heating water temperature control method flow diagram for radiator heating of the present utility model.
The Reference numeral of each parts in each figure above: 100-tonifying Qi increases enthalpy compressor bank, 110-compressor, 120-cross valve, 130-economizer, the main heating power expansion valve of 140-, 141-tonifying Qi expansion valve, 150-finned heat exchanger, 160-gas-liquid separator, 170-off-load magnetic valve, 171-capillary, 172-check valve, 180-liquid-filling valve, 200-high temperature reservoir, 210-strengthens turbulent coil pipe, 220-bypass magnetic valve, warm volume device in 300-, 310-spiral heat exchanger, 320-Three-way Thermostatic Valve, 400-radiator, 410-water pump, 420-hot water bypass solenoid valve, 500-control device, 510-alternating temperature dynamic state of parameters setting module, 511-indoor temperature transmitter, 520-compressor bank control module, warm volume device cooling-water temperature sensor in 521-, 522-exhaust lateral pressure sensor, 523-exhaust gas temperature sensor, 530-heating water temperature detector surveys control module, 531-high temperature reservoir cooling-water temperature sensor, 532-triplet constant temperature valve outlet port cooling-water temperature sensor.
Detailed description of the invention
In order to technique scheme of the present utility model can be understood better, describe in detail further below in conjunction with drawings and Examples.Fig. 1 is an embodiment of the source pump for radiator heating of the present utility model, comprises tonifying Qi and increases enthalpy compressor bank 100, for obtaining heat energy from external heat source; Radiator 400, for indoor heating heat supply; And control device 500, for controlling the operation of source pump;
In the embodiment shown in fig. 1, the described source pump for radiator heating also comprises high temperature reservoir 200 and middle temperature volume device 300; Described high temperature reservoir 200 is the high-temperature water tank of the turbulent coil pipe 210 of built-in strengthening, and the sensible heat for absorption refrigeration agent produces high-temperature-hot-water; Described middle temperature volume device 300 is the middle reservoir of built-in spiral heat exchanger 310, and the latent heat for absorption refrigeration agent produces middle warm water;
The exhaust outlet of compressor 110, successively by cross valve 120, the strengthening turbulent flow coil pipe 210 of high temperature reservoir 200, the spiral heat exchanger 310 of middle temperature volume device 300, be connected to economizer 310, by being divided into two-way after economizer 130, wherein, lead up to main heating power expansion valve 140, finned heat exchanger 150, cross valve 120 and gas-liquid separator 160, be connected to the air inlet of compressor 110, economizer 130 got back to by tonifying Qi expansion valve 141 of separately leading up to, the second vapor injection chamber of compressor is connected to again from economizer 130, form the refrigerant circulation loop that tonifying Qi increases enthalpy compressor bank 100,
The bottom of described high temperature reservoir 200 is provided with water inlet e, and top is provided with delivery port f; Described middle temperature volume device 300 is provided with 4 water routes and imports and exports, and wherein, water inlet a is directly communicated to the waterway inlet of spiral heat exchanger 310; Delivery port b is the water route outlet of spiral heat exchanger 310, and the water tank being opened in middle temperature volume device 300 is inner, and the water after spiral heat exchanger 310 heats flows out from delivery port b, directly enters the bottom of middle temperature volume device 300; Delivery port c and delivery port d is placed in the tank top of warm volume device 300;
The delivery port of described radiator 400 is connected to the water inlet a of middle temperature volume device 300 by water pump 410, the delivery port c of middle temperature volume device 300 is connected to the water inlet B of Three-way Thermostatic Valve 320, the delivery port d of middle temperature volume device 300 connects the water inlet e of high temperature reservoir 200, and the delivery port f of high temperature reservoir 200 is connected to the water inlet A of Three-way Thermostatic Valve 320; The delivery port C of Three-way Thermostatic Valve 320 is connected to the water inlet of radiator, forms radiator heating water circulation loop;
In the example shown in Fig. 1, between the delivery port f and the delivery port of radiator 400 of high temperature reservoir 200, be provided with hot water bypass solenoid valve 420; When hot water bypass solenoid valve 420 is in open mode, the delivery port f of high temperature reservoir 200 is connected to the water inlet a of middle temperature volume device 300 by hot water bypass solenoid valve 420, the delivery port d of middle temperature volume device 300 is connected to the water inlet e of high temperature reservoir 200, forms Inner eycle high-temperature water heat cycles loop.
Described control device 500, by controlling refrigeration system motion flow and the hot-water heating system motion flow of source pump, realizes the temperature control of alternating temperature heating water; The control connection relation between control device 500 and each parts of source pump is represented with double dot dash line suitability ground in Fig. 1.
Described refrigeration system motion flow is as follows:
The high-temperature high-pressure gas refrigerant that compressor 110 is discharged, is entered the strengthening turbulent flow coil pipe in high temperature reservoir 200, to the sensible heat of high temperature reservoir refrigerant release, produces the high-temperature-hot-water of 75-80 DEG C in high temperature reservoir 200 by cross valve 120;
Spiral heat exchanger 310 during cold-producing medium after release sensible heat arrives in warm volume device 300, discharges latent heat by spiral heat exchanger 310, the water in middle temperature volume device 300 is heated to the 35-70 DEG C dynamically set by control device 500;
Therefrom warm volume device 300 medium temperature and medium pressure liquid refrigerant out, arrives economizer 130 and carried out cold; Cross cold after liquid refrigerant be divided into two-way, a road arrives main heating power expansion valve 140 and carries out reducing pressure by regulating flow, and another road is to tonifying Qi expansion valve 141; Cold-producing medium through main heating power expansion valve 140 reducing pressure by regulating flow arrives finned heat exchanger 150, becomes gaseous refrigerant, then arrives vapour liquid separator 160 by cross valve 120, get back to compressor 110 after isolating gaseous refrigerant from air after absorbing heat; Get back to economizer 130 by the cold-producing medium of tonifying Qi expansion valve 141, after absorbing heat vaporization, get back to the second vapor injection chamber of compressor 110;
Described hot-water heating system motion flow comprises heating flow process and Inner eycle heating procedure:
Heating flow process: Three-way Thermostatic Valve 320 is according to the comparative result of the outlet water temperature T f of delivery port C with the temperature control setting value Tc dynamically set, regulate the circulation of A-C and B-C, by the hot water sent from the delivery port f of the high temperature reservoir 200 and delivery port c of middle temperature volume device 300, be mixed into the heating hot water that water temperature is Tf, be transported in radiator 400 by the delivery port C of Three-way Thermostatic Valve 320; Water pump 410 extracts the water in radiator 400, and in feeding, the water inlet a of the spiral heat exchanger 310 of warm volume device 300 carries out just heating; Water after just heating flows out via the delivery port b of spiral heat exchanger 310, in arrival warm volume device 300 bottom and shunt at the delivery port of middle temperature volume device 300, the delivery port c of middle temperature volume device 300 of leading up to delivers to the water inlet B of triple valve thermostatic valve 320, and the delivery port d of middle temperature volume device 300 of separately leading up to delivers to the water inlet e of high temperature reservoir 200; After again being heated by high temperature reservoir 200, the high-temperature-hot-water through again heating delivers to the water inlet A of Three-way Thermostatic Valve by the delivery port f of high temperature reservoir 200, forms hot water heating circulation;
Inner eycle heating procedure: when water temperature (in the abbreviation warm water water temperature) Tm of central temperature volume device 300 reaches the temperature control setting value Tc of dynamically setting, if indoor temperature Tsc reaches setting value at room temperature and do not need to continue heating, A-C, B-C of Three-way Thermostatic Valve will be in closed condition; If now water temperature (the being called for short high-temperature water water temperature) Th of high temperature reservoir 200 does not also reach 75 DEG C, then open the hot water bypass solenoid valve 420 on radiator 400 pipeline, by Three-way Thermostatic Valve 320 and radiator 400 bypass; The water of the delivery port f of high temperature reservoir is extracted by water pump 410 by hot water bypass solenoid valve 420, and in feeding, the water inlet a of the spiral heat exchanger 310 of warm volume device 300 carries out just heating; Water after just heating is via the delivery port b of spiral heat exchanger 310, and the bottom flowing out to middle temperature volume device 300 delivers to the water inlet e of high temperature reservoir 200 again by the delivery port d of middle temperature volume device 300; After again being heated by high temperature reservoir 200, then get back to hot water bypass solenoid valve 420 from the delivery port f of high temperature reservoir 200, form high-temperature water heating internal-circulation, thus the function of energy storage when realizing not needing a large amount of heat energy in indoor, play the effect that paddy is added in peak clipping.
In the embodiment of the source pump for radiator heating of the present utility model shown in Fig. 1, at the refrigerant line entrance and exit of described strengthening turbulent flow coil pipe 210, be connected in parallel to bypass magnetic valve 220; When the water temperature T h of high temperature reservoir 200 reaches 80 DEG C, open the bypass magnetic valve 220 of high temperature reservoir 200, stop the heating to high temperature reservoir 200; The high-temperature high-pressure gas refrigerant that compressor 110 is discharged, by cross valve 120 and bypass magnetic valve 220, directly delivers to the spiral heat exchanger 310 in middle temperature volume device 300; When temperature is lower than 75 DEG C, closes bypass magnetic valve 220, recover the heating to high temperature reservoir 200.
The embodiment of the source pump for radiator heating of the present utility model according to Fig. 1, described tonifying Qi increases the refrigerant circulation loop of enthalpy compressor bank 100, also comprise the off-load magnetic valve 170 being connected in parallel on main heating power expansion valve 140 two ends by capillary 171 and check valve 172, and be connected in parallel on the liquid-filling valve 180 between economized refrigerant entrance and exit; When the exhaust lateral pressure (high pressure) of compressor 110 reaches 2.8MPa, open off-load magnetic valve 170 and carry out off-load, reduce exhaust lateral pressure, protection compressor; When high pressure drops to 2.6MPa, close off-load magnetic valve; When delivery temperature is more than 110 DEG C, opens liquid-filling valve 180 and fluid injection cooling is carried out to the gaseous refrigerant being entered compressor by gas supplementing opening, thus reduce delivery temperature; When delivery temperature is lower than 100 DEG C, close liquid-filling valve 180.
An embodiment of the control device 500 of the source pump for radiator heating of the present utility model as shown in Figure 2, comprises alternating temperature dynamic state of parameters setting module 510, and compressor bank control module 520 and heating water temperature detector survey control module 530; The input of described alternating temperature dynamic state of parameters setting module 510, is connected to indoor temperature transmitter 511, obtains indoor temperature Tsc; The input of described compressor bank control module 520, is connected to middle temperature volume device cooling-water temperature sensor 521, warm water water temperature T m in acquisition; Described heating water temperature detector surveys the input of control module 530, is connected to high temperature reservoir cooling-water temperature sensor 531 and triple valve outlet cooling-water temperature sensor 532, obtains water temperature T h and the triplet constant temperature valve outlet port water temperature T f of high temperature reservoir 200 respectively; The output of described alternating temperature dynamic state of parameters setting module 510, is connected to the input of compressor bank control module 520, transmits dynamic compressor shutdown water temperature setting value Tst to compressor bank control module 520; The output of described alternating temperature dynamic state of parameters setting module 510, is also connected to the input that heating water temperature detector surveys control module 530, surveys control module 530 transmit dynamic leaving water temperature temperature control setting value Tc to heating water temperature detector; The output of described compressor bank control module 520, is connected to compressor 110 and water pump 410, controls the running of compressor 110 and water pump 410; Described heating water temperature detector surveys the output of control module 530, is connected to bypass magnetic valve 220, Three-way Thermostatic Valve 320 and hot water bypass solenoid valve 420; Described alternating temperature dynamic state of parameters setting module 510 compares indoor temperature Tsc and setting value at room temperature Ts, according to the difference of indoor temperature Tsc and setting value at room temperature Ts, and dynamic conditioning leaving water temperature temperature control setting value Tc and compressor shutdown water temperature setting value Tst; The relatively middle warm water water temperature T m and compressor shutdown water temperature setting value Tst of described compressor bank control module 520, by warm water water temperature T m in the runing adjustment of control compressor; Described heating water temperature detector surveys control module 530, by bypass magnetic valve 220 and hot water bypass solenoid valve 420, control the water temperature T h of high temperature reservoir 200, and according to high-temperature water water temperature T h, middle warm water water temperature T m and leaving water temperature temperature control setting value Tc, control the circulation of A-C, B-C of Three-way Thermostatic Valve 320, regulate triplet constant temperature valve outlet port water temperature T f by the mixing ratio changing high-temperature water and middle warm water, realize the temperature control of alternating temperature heating water.
The embodiment of the control device 500 of the source pump according to Fig. 2, the input of described compressor bank control module 520, be also connected to exhaust lateral pressure sensor 522 and the exhaust gas temperature sensor 523 of compressor 110, obtain exhaust lateral pressure and the delivery temperature of compressor 110 respectively; The output of described compressor bank control module 520, is also connected to off-load magnetic valve 170 and liquid-filling valve 180; Described compressor bank control module 520, according to the exhaust lateral pressure of compressor 110 and delivery temperature, controls off-load and the fluid injection of cold-producing medium, the safe operation of protection compressor.
Fig. 3 be an embodiment of the source pump alternating temperature heating temperature control method of water for radiator heating of the present utility model as shown in Figure 3, comprise the following steps:
S100: obtain indoor temperature Tsc and setting value at room temperature Ts; This step obtains indoor temperature Tsc by indoor temperature transmitter 511, and passes through control panel or the remote controller acquisition setting value at room temperature Ts of source pump.
S200: if indoor temperature Tsc≤setting value at room temperature Ts-10, the temperature control setting value Tc of Three-way Thermostatic Valve delivery port C is adjusted to 70 DEG C;
S300: if setting value at room temperature Ts-10 < is indoor temperature Tsc≤setting value at room temperature Ts-5, the temperature control setting value Tc of Three-way Thermostatic Valve delivery port C is adjusted to 65 DEG C;
S400: if setting value at room temperature Ts-5 < is indoor temperature Tsc≤setting value at room temperature Ts-3, be worth based on 50 DEG C, with 65 DEG C for the intensification upper limit, improved the programming rate of 1 DEG C according to every 5 minutes, progressively heighten the temperature control setting value Tc of Three-way Thermostatic Valve delivery port C;
S500: if setting value at room temperature Ts-3 < is indoor temperature Tsc≤setting value at room temperature Ts-1, be worth based on 45 DEG C, with 50 DEG C for the intensification upper limit, improved the programming rate of 1 DEG C according to every 5 minutes, progressively heighten the temperature control setting value Tc of Three-way Thermostatic Valve delivery port C;
S600: if setting value at room temperature Ts-1 < is indoor temperature Tsc≤setting value at room temperature Ts+1, be worth based on 40 DEG C, with 45 DEG C for the intensification upper limit, improved the programming rate of 1 DEG C according to every 5 minutes, progressively heighten the temperature control setting value Tc of Three-way Thermostatic Valve delivery port C; While adjustment temperature control setting value Tc, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump, in guarantee, warm water water temperature T m is equal with triplet constant temperature valve outlet port water temperature T f;
S700: if indoor temperature Tsc > is Ts+1, being worth based on 40 DEG C, is temperature control lower limit with 35 DEG C, reduces the cooling rate of 1 DEG C, progressively turn down the temperature control setting value Tc of Three-way Thermostatic Valve delivery port C according to every 5 minutes; While adjustment temperature control setting value Tc, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump, in guarantee, warm water water temperature T m is equal with triplet constant temperature valve outlet port water temperature T f.
Those of ordinary skill in the art will be appreciated that; above embodiment is only used to the technical solution of the utility model is described; and be not used as restriction of the present utility model; any the above embodiment is done based on connotation of the present utility model change, modification, all will drop in the protection domain of claim of the present utility model.
Claims (4)
1. for a source pump for radiator heating, comprise tonifying Qi and increase enthalpy compressor bank, for obtaining heat energy from external heat source; Radiator, for indoor heating heat supply; And control device, for controlling the operation of source pump; It is characterized in that:
The described source pump for radiator heating also comprises high temperature reservoir and middle temperature volume device; Described high temperature reservoir is the high-temperature water tank of the turbulent coil pipe of built-in strengthening, and the sensible heat for absorption refrigeration agent produces high-temperature-hot-water; Described middle temperature volume device is the middle reservoir of built-in spiral heat exchanger, and the latent heat for absorption refrigeration agent produces middle warm water; The exhaust outlet of compressor, successively by cross valve, the strengthening turbulent flow coil pipe of high temperature reservoir, the spiral heat exchanger of middle temperature volume device, is connected to economizer, by being divided into two-way after economizer, wherein, lead up to main heating power expansion valve, finned heat exchanger, cross valve and gas-liquid separator, be connected to the air inlet of compressor, economizer got back to by tonifying Qi expansion valve of separately leading up to, then is connected to the second vapor injection chamber of compressor from economizer, forms the refrigerant circulation loop that tonifying Qi increases enthalpy compressor bank;
The bottom of described high temperature reservoir is provided with water inlet e, and top is provided with delivery port f; Described middle temperature volume device is provided with 4 water routes and imports and exports, and wherein, water inlet a is directly communicated to the waterway inlet of spiral heat exchanger; Delivery port b is the water route outlet of spiral heat exchanger, and the water tank being opened in middle temperature volume device is inner, and the water after spiral heat exchanger heating flows out from delivery port b, directly enters the bottom of middle temperature volume device; Delivery port c and delivery port d is placed in the tank top of warm volume device;
The delivery port of described radiator is connected to the water inlet a of middle temperature volume device by water pump, the delivery port c of middle temperature volume device is connected to the water inlet B of Three-way Thermostatic Valve, the delivery port d of middle temperature volume device connects the water inlet e of high temperature reservoir, and the delivery port f of high temperature reservoir is connected to the water inlet A of Three-way Thermostatic Valve; The delivery port C of Three-way Thermostatic Valve is connected to the water inlet of radiator, forms radiator heating water circulation loop.
2. the source pump for radiator heating according to claim 1, is characterized in that being provided with hot water bypass solenoid valve between the delivery port f and radiator delivery port of high temperature reservoir; When hot water bypass solenoid valve is in open mode, the delivery port f of high temperature reservoir is connected to the water inlet a of middle temperature volume device by hot water bypass solenoid valve, the delivery port d of middle temperature volume device is connected to the water inlet e of high temperature reservoir, forms Inner eycle high-temperature water heat cycles loop.
3. the source pump for radiator heating according to claim 1, is characterized in that, at the refrigerant line entrance and exit of described strengthening turbulent flow coil pipe, being connected in parallel to bypass magnetic valve; When the water temperature in high temperature reservoir reaches 80 DEG C, open the bypass magnetic valve of high temperature reservoir, stop the heating to high temperature reservoir; The high-temperature high-pressure gas refrigerant that compressor is discharged, by cross valve and bypass magnetic valve, directly delivers to the spiral heat exchanger in middle temperature volume device; When temperature is lower than 75 DEG C, closes bypass magnetic valve, recover the heating to high temperature reservoir.
4. the source pump for radiator heating according to claim 1,2 or 3, it is characterized in that tonifying Qi increases the refrigerant circulation loop of enthalpy compressor bank, also comprise the off-load magnetic valve being connected in parallel on main heating power expansion valve two ends by capillary and check valve, and be connected in parallel on the liquid-filling valve between economized refrigerant entrance and exit; When the exhaust lateral pressure of compressor reaches 2.8MPa, open off-load magnetic valve and carry out off-load, reduce exhaust lateral pressure, protection compressor; When high pressure drops to 2.6MPa, close off-load magnetic valve; When delivery temperature is more than 110 DEG C, opens liquid-filling valve and carry out fluid injection cooling, thus reduce delivery temperature; When delivery temperature is lower than 100 DEG C, close liquid-filling valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717950.6U CN204943633U (en) | 2015-09-16 | 2015-09-16 | A kind of source pump for radiator heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717950.6U CN204943633U (en) | 2015-09-16 | 2015-09-16 | A kind of source pump for radiator heating |
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| CN204943633U true CN204943633U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520717950.6U Active CN204943633U (en) | 2015-09-16 | 2015-09-16 | A kind of source pump for radiator heating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091458A (en) * | 2016-08-10 | 2016-11-09 | 合肥海瑞弗机房设备有限公司 | Integral type high temperature frequency conversion heat pump heating air conditioning system |
| CN115325701A (en) * | 2022-10-17 | 2022-11-11 | 河北博志热能设备有限公司 | Industrial air source high-temperature heat pump hot water system |
-
2015
- 2015-09-16 CN CN201520717950.6U patent/CN204943633U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091458A (en) * | 2016-08-10 | 2016-11-09 | 合肥海瑞弗机房设备有限公司 | Integral type high temperature frequency conversion heat pump heating air conditioning system |
| CN115325701A (en) * | 2022-10-17 | 2022-11-11 | 河北博志热能设备有限公司 | Industrial air source high-temperature heat pump hot water system |
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