Multi-split air source heat pump device for cultivation

Abstract

The utility model discloses a multi-split air source heat pump device for cultivation, which comprises a plurality of cultivation shed systems arranged in parallel, a floor heating system is arranged on the inner sides of the cultivation shed systems, and the floor heating system is provided with a temperature sensor and a humidity sensor. Water inlets of all the floor heating systems are connected through a first water inlet pipe, the first water inlet pipe is connected with the water inlets of the floor heating systems through first valves, water outlets of all the floor heating systems are connected through a first water return pipe, and the end of the first water inlet pipe is connected with a tail end water supply pump. The end part of the first water return pipe is connected with a buffer water tank through a second valve, the buffer water tank is connected with a pressure-bearing tank through a pipeline, and the pressure-bearing tank is connected with the input end of the tail end water supply pump through a pipeline. According to the utility model, the functions of saving energy of the heat pump host, increasing the equipment stability, reducing the operating cost and reducing the breeding cost are realized.

Description

TECHNICAL FIELD

[0001] The utility model application relates to air source heat pump technical field, specifically a kind of multi-pull multi air source heat pump device for breeding. BACKGROUND

[0002] The air source heat pump breeding heating application in the current industry has the following defects: the air source heat pump circulating system design adopts main machine to heat buffer water tank, and water is supplied to the breeding shed by secondary pump, when the water tank is heated to 55 DEG C, the water outlet temperature of unit is 60 DEG C, as is known to all, the heat pump efficiency becomes poor with the rise of heating temperature, and the unit is poor, part 1: industrial or commercial and similar purposes heat pump unit, wherein the different water outlet temperature efficiency standard value difference is great, the heat pump heating capacity becomes small with the rise of water outlet temperature, the air source heat pump compressor wear increases under high water outlet temperature, and the stability becomes poor, and the unit stability is greatly tested, in order to make up for the above defects, more electric auxiliary heating is added, and auxiliary heating is added to make up for the low water supply temperature and low heating capacity in extremely cold weather, and the application mode of the added electric auxiliary heating intensifies the operation energy consumption.

[0003] Therefore, the design of the heat pump main machine is energy-saving, the device stability is increased, the operation cost is reduced, and the breeding cost is reduced, which is the problem to be solved by the inventor. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model aims at providing a kind of multi-pull multi air source heat pump device for breeding, which can realize the energy saving of heat pump main machine, increase the device stability, reduce the operation cost and reduce the breeding cost.

[0005] The utility model device adopts the technical scheme: a kind of multi-pull multi air source heat pump device for breeding, including several parallelly arranged breeding shed systems, the inside of breeding shed system is provided with ground heating system, the ground heating system is provided with temperature sensor, humidity sensor, the water inlet of all ground heating systems is connected by first water inlet pipe and is connected by first valve between first water inlet pipe and the water inlet of ground heating system, the water outlet of all ground heating systems is connected by first return pipe, the end of first water inlet pipe is connected with terminal water supply pump, the end of first return pipe is connected with buffer water tank by second valve, the buffer water tank is connected with pressure tank by pipeline, the input end of terminal water supply pump is connected with pressure tank by pipeline, the buffer water tank is connected with main machine circulating water pump by pipeline, fourth valve, the output end of main machine circulating water pump is connected with second return pipe, the second return pipe is connected with several air source heat pumps by water inlet valve, the output end of all air source heat pumps is connected with second water inlet pipe by water outlet valve, the second water inlet pipe is connected with pressure tank by third valve.

[0006] Further, the top of the pressure tank is provided with a top water outlet, and a connecting pipeline between the pressure tank and the buffer water tank is connected at the top water outlet.

[0007] Further, the number of the air source heat pumps is not less than four.

[0008] Further, at least one of all the air source heat pumps is in operation when heating.

[0009] Further, a control box is arranged, an inside of the control box is provided with a controller, the controller is electrically connected with a display screen, and the controller is electrically connected with the terminal water supply pump, the main circulating water pump, the breeding shed system, the floor heating heating system and the air source heat pump respectively.

[0010] Further, the controller is electrically connected with a first water temperature sensor and a second water temperature sensor, the first water temperature sensor is arranged inside the buffer water tank, and the second water temperature sensor is arranged inside the pressure tank.

[0011] Further, the terminal water supply pump and the main circulating water pump are parallel water pump units.

[0012] Further, the volume of the buffer water tank is greater than that of the pressure tank.

[0013] The device has the following beneficial effects:

[0014] 1. The device increases a set of pressure tanks, uses the pressure tanks as temporary high-temperature hot water storage points, and uses the terminal water supply pump to take heat, so that water discharged from the unit is terminal water supply, the water supply temperature is reduced, the water temperature of the heat pump is reduced, the comprehensive level of people's life is improved, the energy of the heat pump main unit is saved, the stability of the equipment is improved, the operation cost is reduced, and the breeding cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural view of the device.

[0016] BRIEF DESCRIPTION OF DRAWINGS: 1-breeding shed system; 2-temperature sensor; 3-humidity sensor; 4-floor heating heating system; 5-first valve; 6-first return water pipe; 7-first water inlet pipe; 8-terminal water supply pump; 9-second valve; 10-buffer water tank; 11-pressure tank; 12-second water inlet pipe; 13-third valve; 14-fourth valve; 15-main circulating water pump; 16-air source heat pump; 17-water inlet valve; 18-water outlet valve; 19-second return water pipe. DETAILED DESCRIPTION

[0017] The device of the utility model will be further described in combination with specific embodiments, and these embodiments are only used for illustrating the utility model and not for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the device of the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims.

[0018] Embodiment one: refer to Figure 1 It is the structure view of the utility model, a kind of multi-pull multi air source heat pump device for breeding, including several parallelly arranged breeding shed systems 1, the inside of breeding shed system 1 is provided with floor heating system 4, floor heating system 4 is provided with temperature sensor 2, humidity sensor 3, the temperature, humidity inside greenhouse of real-time detection of temperature sensor 2 and humidity sensor 3, the water inlet of all floor heating system 4 is connected by first water inlet pipe 7 and first water inlet pipe 7 and the water inlet of floor heating system 4 are connected by first valve 5, by controlling first valve 5, the cut-off and connection of pipeline can be realized, the water outlet of all floor heating system 4 is connected by first return pipe 6, the end of first water inlet pipe 7 is connected with end water supply pump 8, the end of first return pipe 6 is connected with buffer tank 10 by second valve 9, by controlling second valve 9, the cut-off and connection of pipeline can be realized, buffer tank 10 is connected with pressure tank 11 by pipeline, pressure tank 11 is connected with the input end of end water supply pump 8 by pipeline, buffer tank 10 is connected with host circulating water pump 15 by pipeline, fourth valve 14, the output end of host circulating water pump 15 is connected with second return pipe 19, second return pipe 19 is connected with several air source heat pumps 16 by water inlet valve 17, the output end of all air source heat pumps 16 is connected with second water inlet pipe 12 by water outlet valve 18, second water inlet pipe 12 is connected with pressure tank 11 by third valve 13.

[0019] The top of pressure tank 11 is provided with top water outlet, and the connecting pipeline between pressure tank 11 and buffer tank 10 is connected at the top water outlet, part of the water entering pressure tank 11 enters buffer tank 10 from the top water outlet.

[0020] The number of air source heat pump 16 is not less than four, when heating, at least one of all air source heat pumps 16 is in running state, according to actual heating temperature demand, the adjustment of the number of air source heat pump 16 operating equipment can be realized by opening water inlet valve 17, water outlet valve 18 and starting air source heat pump 16.

[0021] The control box is internally provided with a controller, the controller is electrically connected with a display screen, the controller is electrically connected with the terminal water supply pump 8, the main machine circulating water pump 15, the breeding shed system 1, the floor heating heating system 4 and the air source heat pump 16 respectively, and is also electrically connected with the first valve 5, the second valve 9, the third valve 13, the water inlet valve 17 and the water outlet valve 18, the controller is electrically connected with a first water temperature sensor and a second water temperature sensor, the first water temperature sensor is arranged inside the buffer water tank 10, and the second water temperature sensor is arranged inside the pressure-bearing tank 11.

[0022] The terminal water supply pump 8 and the main machine circulating water pump 15 are parallel water pump units, and the parallel water pump units can greatly improve water flow.

[0023] The volume of the buffer water tank 10 is greater than that of the pressure-bearing tank 11.

[0024] When the breeding shed needs to be heated, the main machine system circulating water pump draws water in the buffer water tank 10 into the air source heat pump 16 system, the water heated by the air source heat pump 16 reaches a temperature of 50-55 DEG C, the heated water passes through the pressure-bearing tank 11 and part of the water returns to the buffer water tank 10, and the other part of the water is drawn away by the terminal water supply pump 8 into the breeding shed system 1, becomes water with a temperature of 45-50 DEG C after releasing heat by the floor heating heating system 4 and then enters the buffer water tank 10, and the water in the buffer water tank 10 enters the pressure-bearing tank 11 and is drawn away by the terminal constant-pressure water supply pump, so that the circulation is repeated.

[0025] When the breeding shed does not need to be heated, the main machine system circulating water pump draws water in the buffer water tank 10 into the air source heat pump 16 system, the water heated by the air source heat pump 16 reaches a temperature of 50-55 DEG C, the heated water passes through the pressure-bearing tank 11 and returns to the buffer water tank 10, and when the water tank reaches a set temperature, the whole circulation stops.

[0026] When the breeding shed needs to be kept at a constant temperature, the terminal water supply pump 8 draws water in the pressure-bearing tank 11 and enters the breeding shed system 1, becomes water with a temperature of 45-50 DEG C after releasing heat by the floor heating heating system 4 and then enters the buffer water tank 10, the water in the buffer water tank 10 enters the pressure-bearing tank 11 and is drawn away by the terminal constant-pressure water supply pump, so that the circulation is repeated.

[0027] When the breeding shed needs to be kept at a constant temperature, when the water temperature in the buffer water tank 10 decreases, the main machine system circulating water pump starts to draw water in the buffer water tank 10 into the air source heat pump 16 system, the water heated by the air source heat pump 16 reaches a temperature of 50-55 DEG C, the heated water passes through the pressure-bearing tank 11 and part of the water returns to the buffer water tank 10, and the other part of the water is drawn away by the terminal water supply pump 8 into the breeding shed system 1, becomes water with a temperature of 45-50 DEG C after releasing heat by the floor heating heating system 4 and then enters the buffer water tank 10, and the water in the buffer water tank 10 enters the pressure-bearing tank 11 and is drawn away by the terminal constant-pressure water supply pump, so that the circulation is repeated.

[0028] The utility model discloses a set of pressure tank 11 is added, is as high -temperature hot water temporary storage point, and the end water supply pump 8 takes the heat point as pressure tank 11, realizes unit water outlet to be end water supply, reduces the water supply temperature, reduces the heat pump water temperature, is more favorable for improving social people life comprehensive level, realizes the energy -conserving of heat pump host, increases the equipment stability, reduces the operating cost, and the function of the reduction of the breeding cost is reduced.

Claims

1. A multi-tow multi-space air source heat pump device for breeding, comprising a plurality of parallel breeding shed systems (1), wherein the inner side of the breeding shed system (1) is provided with a floor heating heating system (4), and the floor heating heating system (4) is provided with a temperature sensor (2) and a humidity sensor (3), characterized in that: The water inlets of all the floor heating systems (4) are connected through a first water inlet pipe (7), and the first water inlet pipe (7) and the water inlets of the floor heating systems (4) are connected through a first valve (5); the water outlets of all the floor heating systems (4) are connected through a first water return pipe (6); an end of the first water inlet pipe (7) is connected with an end water supply pump (8); an end of the first water return pipe (6) is connected with a buffer water tank (10) through a second valve (9); the buffer water tank (10) is connected with a pressure tank (11) through a pipeline; the pressure tank (11) is connected with an input end of the end water supply pump (8) through a pipeline; the buffer water tank (10) is connected with a main circulating water pump (15) through a pipeline and a fourth valve (14); an output end of the main circulating water pump (15) is connected with a second water return pipe (19); the second water return pipe (19) is connected with a plurality of air source heat pumps (16) through a water inlet valve (17); output ends of all the air source heat pumps (16) are connected with a second water inlet pipe (12) through a water outlet valve (18); and the second water inlet pipe (12) is connected with the pressure tank (11) through a third valve (13). ​ 2. A multi-drag multi-eject air source heat pump apparatus for aquaculture according to claim 1, wherein: A top water outlet is formed in a top portion of the pressure tank (11), and a connecting pipeline between the pressure tank (11) and the buffer water tank (10) is connected at the top water outlet.

3. The multi-drag multi-eject air source heat pump device for aquaculture according to claim 1, wherein: The number of the air source heat pumps (16) is not less than four.

4. A multi-drag multi-eject air source heat pump apparatus for aquaculture according to claim 3, wherein: During heating, at least one of all the air source heat pumps (16) is in a running state.

5. The multi-drag multi-eject air source heat pump apparatus for aquaculture of claim 1, wherein: A control box is arranged, an inner side of the control box is provided with a controller, the controller is electrically connected with a display screen, and the controller is electrically connected with the end water supply pump (8), the main circulating water pump (15), the breeding shed system (1), the floor heating system (4) and the air source heat pump (16) respectively.

6. A multi-drag multi-eject air source heat pump apparatus for aquaculture according to claim 5, wherein: The controller is electrically connected with a first water temperature sensor and a second water temperature sensor, the first water temperature sensor is arranged inside the buffer water tank (10), and the second water temperature sensor is arranged on an inner side of the pressure tank (11).

7. The multi-drag multi-eject air source heat pump apparatus for aquaculture of claim 1, wherein: The end water supply pump (8) and the main circulating water pump (15) are parallel water pump units.

8. The multi-drag multi-eject air source heat pump apparatus for aquaculture of claim 1, wherein: The volume of the buffer water tank (10) is greater than that of the pressure tank (11).

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