CN217979357U - Multi-heat source double-effect heat pump unit - Google Patents
Multi-heat source double-effect heat pump unit Download PDFInfo
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- CN217979357U CN217979357U CN202221981988.0U CN202221981988U CN217979357U CN 217979357 U CN217979357 U CN 217979357U CN 202221981988 U CN202221981988 U CN 202221981988U CN 217979357 U CN217979357 U CN 217979357U
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Abstract
The utility model relates to a heat pump set technical field especially relates to many heats source economic benefits and social benefits heat pump set, including compressor, oil separator, condenser unit, reservoir, filter, evaporimeter unit, vapour and liquid separator and control system. The outlet end of the compressor is connected with the inlet end of the oil separator, and the outlet end of the oil separator is connected with the inlet end of the condenser unit; the outlet end of the condenser unit is connected with the inlet end of the liquid storage device, and the outlet end of the liquid storage device is connected with the inlet end of the filter; the outlet end of the filter is connected with the inlet end of the evaporator unit; the outlet end of the evaporator unit is connected with the inlet end of the gas-liquid separator; the outlet end of the gas-liquid separator is connected with the inlet end of the compressor. The utility model discloses following beneficial effect has: the condenser unit and the evaporator unit can select an acquisition source of a low-grade heat source during working through a control system so as to realize higher energy efficiency ratio and meet various use requirements at the same time.
Description
Technical Field
The utility model relates to a heat pump set technical field especially relates to many heat sources economic benefits and social benefits heat pump set.
Background
The heat pump is a high-efficiency energy-saving device which makes full use of low-grade heat energy. Heat can be transferred spontaneously from a high temperature object to a low temperature object, but cannot proceed spontaneously in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-grade heat energy which is difficult to apply to achieve the purpose of energy conservation. However, the conventional heat pump has a problem of a large waste of energy.
Patent CN201721207696.0 discloses a cold and hot combined supply's high temperature heat pump drying unit, including the compressor, the three-way valve, the cross valve, the expansion valve, fin formula air-cooled heat exchanger, plate heat exchanger, shell and tube type heat exchanger, vapour and liquid separator, the gas vent of compressor links to each other with the three-way valve, the three-way valve links to each other with plate heat exchanger's one end, the three-way valve also links to each other with the four-way valve, the four-way valve links to each other with fin formula air-cooled heat exchanger's one end, fin formula air-cooled heat exchanger's the other end links to each other with shell and tube type heat exchanger's one end, shell and tube type heat exchanger's the other end links to each other with the four-way valve, the four-way valve links to each other with vapour and liquid separator's one end, vapour and liquid separator's the other with the return-air inlet of compressor.
Above-mentioned technical scheme has adopted solitary shell and tube type heat exchanger, fin formula air-cooled heat exchanger and plate heat exchanger setting, makes the system unable to select low-grade heat source, and the flexibility is relatively poor.
Disclosure of Invention
The utility model discloses a main aim at overcomes not enough among the prior art, provides a many heats source economic benefits and social benefits heat pump set. The multi-heat source double-effect heat pump unit has the advantages that an acquisition source of a low-grade heat source can be selected to achieve higher energy efficiency ratio and the like.
The utility model discloses a realize that the technical scheme that its technical purpose adopted is: the multi-heat source double-effect heat pump unit is structurally characterized by comprising a compressor, an oil separator, a condenser unit, a liquid storage device, a filter, an evaporator unit, a gas-liquid separator and a control system.
The outlet end of the compressor is connected with the inlet end of the oil separator, and the outlet end of the oil separator is connected with the inlet end of the condenser unit; the outlet end of the condenser unit is connected with the inlet end of the liquid storage device, and the outlet end of the liquid storage device is connected with the inlet end of the filter; the outlet end of the filter is connected with the inlet end of the evaporator unit; the outlet end of the evaporator unit is connected with the inlet end of the gas-liquid separator; the outlet end of the gas-liquid separator is connected with the inlet end of the compressor.
The compressor is a variable frequency compressor. The condenser unit comprises a plurality of condensers, and electromagnetic valves are arranged at inlet ends of the condensers. The evaporator unit comprises a plurality of evaporators, and electronic expansion valves are arranged at inlet ends of the evaporators.
The control system controls the operation of the compressor, the electromagnetic valve and the electronic expansion valve. The condenser unit and the evaporator unit can select an acquisition source of a low-grade heat source during working through the control system, the flexibility is better, a higher energy efficiency ratio can be realized, and various use requirements can be met at the same time.
Preferably, the condenser unit comprises a fin condenser and a shell-and-tube condenser, wherein a first electromagnetic valve is arranged at the inlet end of the fin condenser, and a second electromagnetic valve is arranged at the inlet end of the shell-and-tube condenser;
the evaporator unit comprises a fin evaporator and a shell tube evaporator, wherein a first electronic expansion valve is arranged at the inlet end of the fin evaporator, and a second electronic expansion valve is arranged at the inlet end of the shell tube evaporator.
The electromagnetic valve is controlled by the control system, different use requirements can be met selectively, the electronic expansion valve is controlled by the control system, and the acquisition source of the low-grade heat source can be selected. In the actual use process, the functions are more various, and the resource utilization efficiency is higher.
Preferably, a first temperature sensor is arranged at the outlet end of the fin condenser and can monitor the temperature state of the refrigerant after being condensed by the fin condenser, and a third temperature sensor is arranged outside the fin condenser and can monitor the temperature of the external gas medium of the fin condenser; the outlet end of the shell and tube condenser is provided with a second temperature sensor which can monitor the temperature state of the refrigerant after being condensed by the shell and tube condenser, and the outside of the shell and tube condenser is provided with a fourth temperature sensor which can monitor the temperature of the liquid medium in the shell and tube condenser.
Preferably, a sixth temperature sensor is arranged at the outlet end of the fin evaporator and can monitor the temperature of the refrigerant after the refrigerant absorbs heat through the fin evaporator, and an eighth temperature sensor is arranged outside the fin evaporator and can monitor the temperature of a gas medium outside the fin evaporator; the outlet end of the shell-tube evaporator is provided with a seventh temperature sensor which can monitor the temperature of the refrigerant after the refrigerant absorbs heat through the shell-tube evaporator, and the outside of the shell-tube evaporator is provided with a ninth temperature sensor which can monitor the temperature of the liquid medium in the tube of the shell-tube evaporator.
Preferably, the outlet end of the filter is provided with a fifth temperature sensor which can monitor the temperature of the refrigerant after condensation and heat release. And a liquid viewing mirror is arranged between the filter and the liquid storage device, so that the quality and the water content of the refrigerant in the system can be conveniently determined.
Preferably, an oil return port of the oil separator is connected with the compressor through an oil return pipe.
Preferably, the inlet end and the outlet end of the compressor are provided with pressure controllers for controlling the suction pressure and the discharge pressure of the compressor and feeding back parameters.
The utility model has the advantages that: the utility model can select the acquisition source of the low-grade heat source during working through the arrangement of the condenser unit and the evaporator unit, so as to realize higher energy efficiency ratio, meet various use requirements at the same time and be more convenient for users to use; the control system controls the electromagnetic valve and the electronic expansion valve and obtains temperature data, and the heat content of various low-grade heat sources can be automatically monitored, so that the obtaining source of the low-grade heat sources is automatically selected, and the effective utilization of resources is further realized.
Drawings
FIG. 1 is a schematic view of the multi-heat source dual-effect heat pump unit of the present invention.
FIG. 2 is a schematic view of a control system of the multi-heat source dual-effect heat pump unit of the present invention.
Wherein: 1-a compressor; 10-liquid viewing lens; 11-an oil return pipe; 12-a pressure controller; 2-an oil separator; 3-a condenser unit; 31-a finned condenser; 32-shell-and-tube condenser; 33-a first solenoid valve; 34-a second solenoid valve; 4-a liquid reservoir; 5-a filter; 6-evaporator set; 61-fin evaporator; 62-shell and tube evaporators; 63-a first electronic expansion valve; 64-a second electronic expansion valve; 7-gas-liquid separator; 8-control the system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, as shown in the figure, the multi-heat source and dual-effect heat pump unit includes a compressor 1, an oil separator 2, a condenser unit 3, a liquid reservoir 4, a filter 5, an evaporator unit 6, a gas-liquid separator 7 and a control system 8.
The outlet end of the compressor 1 is connected with the inlet end of the oil separator 2, and the outlet end of the oil separator 2 is connected with the inlet end of the condenser unit 3; the outlet end of the condenser unit 3 is connected with the inlet end of a liquid storage device 4, and the outlet end of the liquid storage device 4 is connected with the inlet end of a filter 5; the outlet end of the filter 5 is connected with the inlet end of the evaporator unit 6; the outlet end of the evaporator unit 6 is connected with the inlet end of the gas-liquid separator 7; the outlet end of the gas-liquid separator 7 is connected with the inlet end of the compressor 1.
The compressor 1 is an inverter compressor. The condenser unit 3 comprises a plurality of condensers, and electromagnetic valves are arranged at the inlet ends of the condensers. The evaporator unit 6 comprises a plurality of evaporators, and electronic expansion valves are arranged at the inlet ends of the evaporators. The oil return port of the oil separator 2 is connected to the compressor 1 via an oil return pipe 11. The inlet and outlet of the compressor 1 are provided with pressure controllers 12 for controlling the suction and discharge pressures of the compressor 1 and for parameter feedback.
The control system 8 controls the operation of the compressor 1, the solenoid valve and the electronic expansion valve. The condenser unit 3 and the evaporator unit 6 can select a low-grade heat source acquisition source during working through the control system 8 so as to realize higher energy efficiency ratio, and can meet various use requirements at the same time.
Referring to fig. 1 and 2, as shown in the figure, the condenser unit 3 includes a fin condenser 31 and a shell-and-tube condenser 32, a first solenoid valve 33 is provided at an inlet end of the fin condenser 31, and a second solenoid valve 34 is provided at an inlet end of the shell-and-tube condenser 32. The evaporator unit 6 comprises a fin evaporator 61 and a shell-and-tube evaporator 62, wherein the inlet end of the fin evaporator 61 is provided with a first electronic expansion valve 63, and the inlet end of the shell-and-tube evaporator 62 is provided with a second electronic expansion valve 64.
The electromagnetic valve is controlled by the control system 8, different use requirements can be met selectively, the electronic expansion valve is controlled by the control system 8, and the acquisition source of the low-grade heat source can be selected. In the actual use process, the functions are more various, and the resource utilization efficiency is higher.
The outlet end of the fin condenser 31 is provided with a first temperature sensor which can monitor the temperature state of the refrigerant after being condensed by the fin condenser 31, and the outside of the fin condenser 31 is provided with a third temperature sensor which can monitor the temperature of a gas medium outside the fin condenser 31; the outlet end of the shell-and-tube condenser 32 is provided with a second temperature sensor which can monitor the temperature state of the refrigerant after being condensed by the shell-and-tube condenser 32, and the outlet end of the shell-and-tube condenser 32 is provided with a fourth temperature sensor which can monitor the temperature of the liquid medium in the shell-and-tube condenser 32.
A sixth temperature sensor is arranged at the outlet end of the fin evaporator 61 and can monitor the temperature of the refrigerant after the refrigerant absorbs heat through the fin evaporator 61, and an eighth temperature sensor is arranged outside the fin evaporator and can monitor the temperature of a gas medium outside the fin evaporator 61; the outlet end of the shell-and-tube evaporator 62 is provided with a seventh temperature sensor for monitoring the temperature of the refrigerant after heat absorption by the shell-and-tube evaporator 62, and is also provided with a ninth temperature sensor for monitoring the temperature of the liquid medium in the tube of the shell-and-tube evaporator 62.
The outlet end of the filter 5 is provided with a fifth temperature sensor which can monitor the temperature of the refrigerant after condensation and heat release. A liquid sight glass 10 is arranged between the filter 5 and the liquid storage device 4, so that the quality and the water content of the refrigerant in the system can be determined conveniently.
In actual use, the fin condenser 31 and the shell-and-tube condenser 32 are used as heating assemblies, specifically, the fin condenser 31 heats gas, and the shell-and-tube condenser 32 heats liquid. For example, in a hotel, when a customer needs to heat both the indoor air and the wash water, the control device 8 monitors the temperature of the indoor air through the third temperature sensor and the temperature of the wash water through the fourth temperature sensor. The control device 8 controls the compressor 1 to start to operate, the temperature outside the fin evaporator 61 is monitored through the eighth temperature sensor in the operation process, the temperature of liquid in the shell-and-tube evaporator 62 is monitored through the ninth temperature sensor, and the control system 8 automatically compares the temperature values of the eighth temperature sensor and the ninth temperature sensor, so that the electronic expansion valve 63 and the electronic expansion valve 64 are controlled to automatically select a high-efficiency heat source to absorb heat. The system can meet various use requirements of users, has good flexibility, improves the system performance to the maximum extent, and ensures the reliability of heat supply.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structures, equivalent processes or equivalent functional changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.
Claims (7)
1. Many heats source economic benefits and social benefits heat pump set, its characterized in that: the system comprises a compressor (1), an oil separator (2), a condenser unit (3), a liquid storage device (4), a filter (5), an evaporator unit (6), a gas-liquid separator (7) and a control system (8);
the outlet end of the compressor (1) is connected with the inlet end of the oil separator (2), and the outlet end of the oil separator (2) is connected with the inlet end of the condenser unit (3); the outlet end of the condenser unit (3) is connected with the inlet end of the liquid storage device (4), and the outlet end of the liquid storage device (4) is connected with the inlet end of the filter (5); the outlet end of the filter (5) is connected with the inlet end of the evaporator unit (6); the outlet end of the evaporator unit (6) is connected with the inlet end of the gas-liquid separator (7); the outlet end of the gas-liquid separator (7) is connected with the inlet end of the compressor (1);
the compressor (1) is a variable frequency compressor;
the condenser unit (3) comprises a plurality of condensers, and electromagnetic valves are arranged at inlet ends of the condensers;
the evaporator unit (6) comprises a plurality of evaporators, and electronic expansion valves are arranged at inlet ends of the evaporators;
and the control system (8) controls the operation of the compressor, the electromagnetic valve and the electronic expansion valve.
2. The multi-heat-source double-effect heat pump unit according to claim 1, characterized in that:
the condenser unit (3) comprises a fin condenser (31) and a shell and tube condenser (32), a first electromagnetic valve (33) is arranged at the inlet end of the fin condenser (31), and a second electromagnetic valve (34) is arranged at the inlet end of the shell and tube condenser (32);
the evaporator unit (6) comprises a fin evaporator (61) and a shell tube evaporator (62), a first electronic expansion valve (63) is arranged at the inlet end of the fin evaporator (61), and a second electronic expansion valve (64) is arranged at the inlet end of the shell tube evaporator (62).
3. The multi-heat-source double-effect heat pump unit according to claim 2, characterized in that:
a first temperature sensor is arranged at the outlet end of the fin condenser (31), and a third temperature sensor is arranged outside the fin condenser; and a second temperature sensor is arranged at the outlet end of the shell and tube condenser (32), and a fourth temperature sensor is arranged outside the shell and tube condenser.
4. The multi-heat-source double-effect heat pump unit according to claim 3, characterized in that:
a sixth temperature sensor is arranged at the outlet end of the fin evaporator (61), and an eighth temperature sensor is arranged outside the fin evaporator; the outlet end of the shell-tube evaporator (62) is provided with a seventh temperature sensor, and the outside of the shell-tube evaporator is provided with a ninth temperature sensor.
5. The multi-heat-source double-effect heat pump unit according to claim 4, characterized in that:
the outlet end of the filter (5) is provided with a fifth temperature sensor, and a liquid viewing mirror (10) is arranged between the filter (5) and the liquid storage device (4).
6. The multi-heat-source double-effect heat pump unit according to claim 1, characterized in that:
an oil return port of the oil separator (2) is connected with the compressor (1) through an oil return pipe (11).
7. The multi-heat-source double-effect heat pump unit according to claim 1, characterized in that:
and the inlet end and the outlet end of the compressor (1) are both provided with a pressure controller (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221981988.0U CN217979357U (en) | 2022-07-29 | 2022-07-29 | Multi-heat source double-effect heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221981988.0U CN217979357U (en) | 2022-07-29 | 2022-07-29 | Multi-heat source double-effect heat pump unit |
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| Publication Number | Publication Date |
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| CN217979357U true CN217979357U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221981988.0U Active CN217979357U (en) | 2022-07-29 | 2022-07-29 | Multi-heat source double-effect heat pump unit |
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| CN (1) | CN217979357U (en) |
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- 2022-07-29 CN CN202221981988.0U patent/CN217979357U/en active Active
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