KR101662293B1 - Ice Storage System using a GHP engine - Google Patents

Ice Storage System using a GHP engine Download PDF

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Publication number
KR101662293B1
KR101662293B1 KR1020150165842A KR20150165842A KR101662293B1 KR 101662293 B1 KR101662293 B1 KR 101662293B1 KR 1020150165842 A KR1020150165842 A KR 1020150165842A KR 20150165842 A KR20150165842 A KR 20150165842A KR 101662293 B1 KR101662293 B1 KR 101662293B1
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KR
South Korea
Prior art keywords
ice
heat pump
sensor
gas
storage tank
Prior art date
Application number
KR1020150165842A
Other languages
Korean (ko)
Inventor
김영호
김용재
김용현
김용준
Original Assignee
주식회사 에너지뱅크
김용재
김용현
김용준
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Application filed by 주식회사 에너지뱅크, 김용재, 김용현, 김용준 filed Critical 주식회사 에너지뱅크
Priority to KR1020150165842A priority Critical patent/KR101662293B1/en
Application granted granted Critical
Publication of KR101662293B1 publication Critical patent/KR101662293B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F11/0086—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type

Abstract

The present invention relates to an ice storage heat system, and more particularly, to a GHP (Gas Heat Pump) drive system using a relatively inexpensive gas as compared with an electricity source. Of course, it is possible to drive the facility at relatively low cost even in areas where daytime or power supply is difficult, and it is also possible to secure the easiness of facility construction by making it possible to construct the facility irrespective of the amount of power supplied to the building , It is possible to reduce the number of engines by lowering the capacity of the equipment. Also, it is possible to operate the stable system by sensing the ice of icing state regardless of the water level inside the heat storage tank by operating and stopping the system. The ice-making method by the electric conductivity measurement and the ice-making method using the gas heat pump Heat system.

Description

[0001] The present invention relates to an ice storage system using an electric conduction measurement and an ice storage system using a gas heat pump,

The present invention relates to an ice storage heat system, and more particularly, to a gaseous heat pump system using a gas heat pump (GHP) system using a heat source, which uses gas without using electric power, In addition, it can be used in areas where electric power supply is difficult, and it is possible to reduce the number of engines by lowering the facility capacity by realizing high output, thereby facilitating the construction of the facility. In addition, The present invention relates to an icing system by electric conduction measurement and an ice storage heat system using a gas heat pump to enable stable operation of the system.

Generally, an ice storage system is a device that freezes ice in the middle of the day when the electricity consumption rushes and uses late-night power at low price in the middle of the night, and then melts it in a day to cool the building.

In the conventional ice and water storage system, there is provided a storage tank capable of storing cold water and storing ice, and is connected to a refrigerator for controlling compression, condensation, expansion and evaporation of refrigerant, And a heat recovery means for recovering cold heat generated in the heat storage tank and recovering the cold heat to the indoor space.

That is, in the process of heat exchange with water through the refrigerant pipe of the heat storage tank, the refrigerant made from the expansion valve of the refrigerator is cooled and frozen in the refrigerant pipe. In the process of producing such ice, the temperature of the water stored in the heat storage tank is lowered And the stored cooling heat is used during the day through the heat recovery means.

However, in the above-described conventional ice and water storage system, the engine driving system uses an electric heat pump (EHP) using electricity. Such a driving system uses a relatively low-cost night-time electricity There is a disadvantage in that it is necessary to operate only at night. Therefore, there is a problem in that, when driving a cooling apparatus that exceeds the heat quantity of the heat during the heat, inevitably use expensive electric power.

In addition, the conventional electric heat pump (EHP) has to be constructed in accordance with the amount of electric power supplied to the building.

In addition, the existing ice storage system is based on the water level of the water stored in the storage tank depending on the ice condition of the ice, and when the buoyancy due to freezing and deicing of ice occurs, the water level change due to the rocking There is a problem that system load and stability are lowered due to irregular operation of the system occurring from time to time.

Korean Patent Publication No. 10-1998-0076806.

The present invention has been made to solve the above problems, and it is an object of the present invention to provide a gas heat pump (GHP) driving method using a relatively inexpensive gas compared to an electric source, The present invention provides an icemaking system using electric conduction measurement and an ice storage heat system using a gas heat pump to enable a facility to be driven at a relatively low cost even in a daytime or in a region where power supply is difficult, will be.

In addition, it is possible to secure the easiness of facility construction by making it possible to construct the facility irrespective of the amount of power supplied to the building, the icing method by electric conduction measurement to reduce the amount of the engine by lowering the facility capacity, The present invention has an object of providing an ice storage heat system using a heat pump.

In addition, the system is operated and stopped regardless of the water level inside the storage tank by sensing the iced ice, so that stable operation of the system is always possible, And an ice storage heat system using a gas heat pump.

In order to accomplish the above object, there is provided an ice storage heat system comprising a heat storage tank in which water is contained, and a heat pump which is driven to circulate refrigerant through a refrigerant pipe formed in the heat storage tank, A gas heat pump having a gas engine driving system, and at least one axial ice amount detecting sensor for measuring an amount of iced ice inside the heat storage tank; And a control unit for controlling the ON / OFF of the gas heat pump according to the signal of the ice amount sensor.

As described above, according to the present invention, the freezing method using the electric conduction measurement and the ice storage heat system using the gas heat pump realize a gas heat pump (GHP) driving system using a gas engine that is less expensive than electricity, In particular, it is possible to drive facilities at low cost in the daytime as well as in the daytime, and even in places where power supply is difficult, and to provide stable cooling heat at low cost even in the summer heat It is possible to obtain an effect of improving energy efficiency.

In addition, since it is possible to construct the facility irrespective of the amount of power supplied to the building, it is possible to construct the facility very easily, and it is possible to implement a high output, thereby reducing the facility capacity and reducing the quantity of the engine. It is possible to obtain the effect of reducing the cost of constructing the facility.

In addition, since the sensing means for interrupting the driving and stopping of the system is used, accurate measurement can always be performed by using the sensing sensor, and stable operation of the equipment and thus stability of the equipment can be secured.

FIG. 1 is an overall view of an icing system by electric conductivity measurement of the present invention and an ice storage heat system using a gas heat pump.
FIG. 2 is a view showing an embodiment of a freezing system by electric conduction measurement of the present invention and a detection sensor of an ice storage heat system using a gas heat pump. FIG.
FIG. 3 is a view showing another embodiment of the ice detection system using the electric conduction measurement of the present invention and the detection sensor of the ice storage system using the gas heat pump. FIG.
Fig. 4 is a diagram showing the state of the ice-making system by the electric conduction measurement of the present invention and the driving state of the ice-water storage system using the gas-heat pump.
FIG. 5 is a view showing another embodiment of the ice-making method by the electric conduction measurement of the present invention and the driving state of the ice storage heat system using the gas heat pump.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an overall view of an icing system by electric conduction measurement of the present invention and an ice storage heat system using a gas heat pump.

As shown in Fig. 1, the ice-making system 1 using the electric conduction measurement and the gas heat pump according to the present invention comprises a heat storage tank 10 in which water is contained, a refrigerant tube (20) for circulating a refrigerant, characterized by comprising:

First, in the present invention, the heat pump is constituted by a gas heat pump 100 having a gas engine driving system in which gas is used as a driving energy source.

In the present invention, at least one axial ice amount detecting sensor 200 for measuring the ice amount stored in the storage tank 10 is stored.

In this case, the ice-making amount sensor 200 may be applied to various embodiments. First, the ice-making amount sensor 200 may include an energization detecting sensor 200 for detecting energization and shut- (210).

At this time, at least one current sensor 210 is formed in the refrigerant pipe 20.

That is, if the energization detecting sensor 210 is exposed when ice is icing on the refrigerant pipe 20, an electric signal is energized. When ice is iced to a certain amount, the energization detecting sensor 210 is completely wrapped The electric signal of the electric current detection sensor 210 is blocked by the ice of the non-electric conduction, and the electric current of the electric signal is sensed.

In addition, the ice-accumulation amount sensor 200 may be constituted by a contact sensor 220 for sensing an object when the ice-making sensor 200 contacts an object as shown in FIG.

At this time, the contact sensor 220 is formed at a position spaced from the inside of the heat storage tank 10 to the upper portion of the refrigerant pipe 20.

The reaction plate 221 is formed in the interior of the thermal storage tank 10 to react with the contact sensor 220. The reaction plate 221 has a specific gravity larger than that of the water, And is structured such that the refrigerant pipe 20 and the contact sensor 220 in the heat storage tank 10 are mounted on the latching jaw 222 formed in the heat storage tank 10, do.

That is, when the ice is frozen in the coolant pipe 20 at a predetermined thickness, the contact sensor 220 pushes the reaction plate 221 to an upper portion by applying an external force to the reaction plate 221, The reaction plate 221 is brought into contact with the contact sensor 220.

In addition, the present invention further includes a controller 300 for turning on / off the operation of the gas heat pump 100 based on a signal sensed by the ice amount sensor 200.

Hereinafter, the ice-making method by the electric conduction measurement of the present invention and the operation of the ice storage heat system using the gas heat pump will be described in detail with reference to the accompanying drawings.

1, the icemaking system 1 using the electric conduction measurement and the gas heat pump using the gas heat pump according to the present invention includes a gas heat pump (not shown) (100). In using fuel energy, it is possible to improve the energy efficiency by reducing the fuel cost compared to the use of expensive electricity. In particular, compared with the electric drive system, It can be driven even during the day of the heat so that the cooling heat can be supplied stably.

In addition, when the facility is installed in the building, it is difficult to construct an efficient facility because the facility is constructed according to the power for receiving the building. However, in the present invention, since the gas heat pump 100 is applied, It is possible to construct an efficient facility irrespective of whether or not the equipment is installed.

As described above, in the present invention, efficient driving can be performed in driving the ice storage heat system 1, which is enabled by the ice storage amount sensor 200.

At this time, the ice amount sensor 200 senses the amount of ice that is idler inside the thermal storage tank 10, thereby controlling the operation of the unnecessary gas heat pump 100. Accordingly, do.

4, the axial ice amount sensing sensor 200 is connected to the refrigerant pipe 20 through a conduction detection (not shown) formed in the refrigerant pipe 20, In the case of the sensor 210,

The ice is frozen and iced in the refrigerant pipe 20 by supplying the refrigerant to the refrigerant pipe 20 by driving the gas heat pump 100 and exchanging heat with the refrigerant pipe 20. At this time, the thickness of the iced ice is relatively thin, The energization detecting sensor 210 transmits an electrical signal to the controller 300 and the controller 300 continuously operates the gas heat pump 100. In this case,

Thereafter, when the iced ice is thick enough to completely enclose the energization sensor 210, the electric signal of the energization detection sensor 210 is blocked by ice, which is not electrically conductive, Accordingly, the control unit 300 detects the interruption of the electrical signal and stops the operation of the gas heat pump 100 based on the detection.

5, when the axial ice amount sensing sensor 200 is constituted by the contact sensor 220 spaced apart from the upper portion of the refrigerant pipe 20,

The ice is frozen and iced in the refrigerant pipe 20 by supplying the refrigerant to the refrigerant pipe 20 by the driving of the gas heat pump 100 and exchanging heat with the refrigerant pipe 20. The thus frozen ice is continuously thickened, The reaction plate 221 located above the refrigerant pipe 20 moves upward as the thickness of the ice increases.

When the thickness of the iced ice is in a considerable state (a state of making a sufficient amount of ice), the reaction plate 221 contacts and reacts with the contact sensor 220 formed on the upper part. The operation of the gas heat pump 100 is stopped based on the sensing signal of the touch sensor 220. [

As described above, the ice amount sensor 200 effectively senses the ice that is iced into the refrigerant pipe 20 and controls the operation of the gas heat pump 100 based on the sensed signal, 100 of the gas heat pump 100 is prevented from being operated, and the stable operation of the equipment such as the prevention of the load of the gas heat pump 100 is enabled.

10: heat storage tank 20: refrigerant tube
100: Gas heat pump 200: Axial ice amount sensor
210: energization sensor 220: contact sensor
221: reaction plate 300: control unit

Claims (3)

delete delete A heat storage tank 10 in which water is contained and a heat pump which is driven to circulate the refrigerant through a refrigerant pipe 20 formed in the heat storage tank 10,
The heat pump comprises a gas heat pump (100) having a gas engine drive system, and at least one axial ice amount sensing sensor (200) for measuring the amount of freezing ice inside the heat storage tank (10). And a controller 300 for controlling ON / OFF of the gas heat pump 100 according to the signal of the ice amount sensor 200. In the ice water heating system using the electric conduction measurement and the ice heat storage system using the gas heat pump ,
The ice amount sensor 200 is constituted by a contact sensor 220 formed at a position spaced apart from the upper portion of the refrigerant pipe 20 inside the heat storage tank 10,
And is held by the stopping jaw 222 inside the heat storage tank 10 and provided between the refrigerant pipe 20 and the contact sensor 220 so that when an external force is applied by the ice that is iced into the refrigerant pipe 20 Further comprising a reaction plate (221) configured to move upward and to contact the contact sensor (220)
Wherein the controller (300) senses a signal generated when the contact sensor (220) and the reaction plate (221) are in contact with each other to control the operation of the gas heat pump (100) And an ice storage system using a gas heat pump.
KR1020150165842A 2015-11-25 2015-11-25 Ice Storage System using a GHP engine KR101662293B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180138013A (en) 2017-06-20 2018-12-28 한국생산기술연구원 A thermal storage tank capable of measuring thermal storage volume and a method for measuring thermal storage volume using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980076806A (en) 1997-04-14 1998-11-16 박주조 Partial load cooling system using ice heat storage
KR20010020551A (en) * 1998-04-28 2001-03-15 오아시스 코포레이션 Thermoelectric water cooler
JP2001108263A (en) * 1999-10-01 2001-04-20 Taisei Corp Ice storage and heat pump type air-conditioning system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980076806A (en) 1997-04-14 1998-11-16 박주조 Partial load cooling system using ice heat storage
KR20010020551A (en) * 1998-04-28 2001-03-15 오아시스 코포레이션 Thermoelectric water cooler
JP2001108263A (en) * 1999-10-01 2001-04-20 Taisei Corp Ice storage and heat pump type air-conditioning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180138013A (en) 2017-06-20 2018-12-28 한국생산기술연구원 A thermal storage tank capable of measuring thermal storage volume and a method for measuring thermal storage volume using the same

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