CN223090771U - Air-cooled heat pump air conditioning system - Google Patents

Abstract

The utility model relates to an air-cooled heat pump air conditioning system which comprises a water outlet pipe with an opening at one end and a water return pipe with an opening at one end, wherein one side of the water outlet pipe is provided with a plurality of variable-frequency water pumps which are distributed at intervals along the axis direction of the water outlet pipe, the variable-frequency water pumps are connected with the water outlet pipe through pipelines, check valves are connected in series on the pipelines between the variable-frequency water pumps and the water outlet pipe, a water inlet of the variable-frequency water pumps is connected with an air-cooled module unit through pipelines, a water inlet of the air-cooled module unit is connected with the water return pipe through pipelines, a pressure sensor is arranged on the side wall of the water outlet pipe in a penetrating manner, a first temperature sensor is arranged on the side wall of the opening end of the water outlet pipe in a penetrating manner, and a second temperature sensor is arranged on the side wall of the opening end of the water return pipe in a penetrating manner.

Description

Air-cooled heat pump air conditioning system

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to an air-cooled heat pump air conditioning system.

Background

As shown in fig. 5, an air-cooled heat pump air conditioning system in the prior art comprises a water outlet pipe 14 with an open end and a water return pipe 13 with an open end, one side of the water outlet pipe 14 is provided with a plurality of air-cooled module units 16 distributed along the axis direction of the water outlet pipe 14 at intervals, the air-cooled module units 16 are connected with the water outlet pipe 14 through pipelines, check valves 17 are connected in series on the pipelines between the air-cooled module units 16 and the water outlet pipe 14, water inlets of the air-cooled module units 16 are respectively connected with one end of a dry pipe 18 through pipelines, the other end of the dry pipe 18 is connected with a plurality of water pumps 19 through pipelines, water inlets of the water pumps 19 are connected with the water return pipe 13 through pipelines, a fourth temperature sensor 14 is arranged on the side wall of the open end of the water outlet pipe 14 in a penetrating manner, and a fifth temperature sensor 15 is arranged on the side wall of the open end of the water return pipe 13 in a penetrating manner.

The prior art air-cooled heat pump air conditioning system has the following defects that when the air-cooled heat pump air conditioning system works, the water temperature in the water outlet pipe 14 is measured through the fourth temperature sensor 14, the water temperature in the water return pipe 13 is measured through the fifth temperature sensor 15, the number of the air-cooled heat pump air conditioning units 16 to be started is determined according to the water temperature difference between the water outlet pipe 14 and the water return pipe 13, all the water pumps 19 are required to be fully started no matter how many the air-cooled heat pump air conditioning units 16 are started, if part of the water pumps are closed, the water flow flowing through the air-cooled heat pump air conditioning units 16 is reduced, when the water flow switch of the air-cooled heat pump air conditioning units 16 detects that the water flow is insufficient, the alarm device is triggered, the air-cooled heat pump air conditioning units 16 are automatically closed, and the air-cooled heat pump air conditioning system cannot be started again subsequently.

Disclosure of utility model

The utility model aims to solve the technical problem of providing an air-cooled heat pump air-conditioning system, which has the characteristics of low energy consumption and low failure rate.

In order to solve the technical problems, the air-cooled heat pump air conditioning system provided by the utility model comprises a water outlet pipe with one open end and a water return pipe with one open end, wherein one side of the water outlet pipe is provided with a plurality of variable frequency water pumps which are distributed at intervals along the axis direction of the water outlet pipe, the variable frequency water pumps are connected with the water outlet pipe through pipelines, check valves are connected in series on the pipelines between the variable frequency water pumps and the water outlet pipe, a water inlet of the variable frequency water pumps is connected with an air-cooled module unit through pipelines, a water inlet of the air-cooled module unit is connected with the water return pipe through pipelines, a pressure sensor is arranged on the side wall of the water outlet pipe in a penetrating manner, a first temperature sensor is arranged on the side wall of the opening end of the water outlet pipe in a penetrating manner, and a second temperature sensor is arranged on the side wall of the opening end of the water return pipe in a penetrating manner.

Further preferably, the frequency converter, the pressure sensor, the first temperature sensor, the switch of the air cooling module unit and the second temperature sensor of the variable-frequency water pump are respectively and electrically connected with the controller, and the controller can automatically control the air cooling heat pump air conditioning system to work.

The water outlet pipe is connected with the water outlet pipe through a pipeline, and the water outlet pipe is used for balancing water quantity and pressure in the water outlet pipe.

Further preferably, an overhaul ball valve is connected in series on a pipeline between the check valve and the water outlet pipe, and a ball body of the overhaul ball valve can be conveniently detached, so that parts can be conveniently repaired and replaced, the maintenance time is shortened, and the maintenance cost is reduced ‌.

Further preferably, the controller is a wire controller or a PLC, and the controller can also be a singlechip or a microcomputer.

Further preferably, a third temperature sensor for detecting the water temperature in the pump is arranged on the variable-frequency water pump, the third temperature sensor is electrically connected with the controller, the controller is electrically connected with the switch of the variable-frequency water pump, and when the third temperature sensor detects that the water temperature in the pump is too high, the controller automatically controls the variable-frequency water pump to be closed.

The air-cooled heat pump system has the advantages that when the air-cooled heat pump system works, the first pressure sensor is used for measuring the water pressure in the water outlet pipe, the first temperature sensor is used for measuring the water temperature in the water outlet pipe, the second temperature sensor is used for measuring the water temperature in the water return pipe, the number of air-cooled module units which are connected through pipelines are determined to be started or closed according to the water temperature difference between the water outlet pipe and the water return pipe, the number of the air-cooled module units which are connected through the pipelines is determined to be the same as the number of the variable-frequency water pumps which are required to be started, the frequency converter is used for controlling the rotating speed of the variable-frequency water pumps which are required to be started, so that the water pressure in the water outlet pipe is constant, and the water flow required by each variable-frequency water pump which is required to be started is enough is met, so that an alarm device is prevented from being triggered and the air-cooled module units cannot be started again due to automatic closing, when the air-cooled heat pump system works, the service life of each variable-frequency water pump is prolonged, the fault rate of the variable-frequency water pump system is reduced, and only one variable-frequency water pump is required to be started in winter, a large amount of energy consumption is saved, and the novel air-cooled heat pump system has the characteristics of low fault rate.

Drawings

In order to clearly illustrate the innovative principles of the utility model and its advantages compared with existing air-cooled heat pump air conditioning systems, possible embodiments are described below by way of non-limiting examples applying said principles with the aid of the accompanying drawings. In the figure:

FIG. 1 is a schematic diagram of an air cooled heat pump air conditioning system of the present utility model;

Fig. 2 is a front view of the air-cooled heat pump air conditioning system;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

fig. 5 is a schematic diagram of a prior art air cooled heat pump air conditioning system.

Detailed Description

The technical solutions of the present novel embodiment will be clearly and completely described below with reference to the drawings in the present novel embodiment, and it is apparent that the described embodiments are only some embodiments of the present novel embodiment, not all embodiments.

All other embodiments, based on the embodiments in this disclosure, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated as falling within the scope of the present disclosure.

It should be noted that all directional indications (such as up, down, left, right, front, and rear are used in the present novel embodiment) are merely for explaining the relative positional relationship between the components, the movement condition, and the like in a certain posture (as shown in the drawings), and if the certain posture is changed, the directional indication is changed accordingly.

In the present application, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or a communication between two elements or an interaction between two elements unless explicitly specified otherwise. The specific meaning of the above terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Examples

The air-cooled heat pump air conditioning system comprises a water outlet pipe 1 with one open end and a water return pipe 2 with one open end, wherein one side of the water outlet pipe 1 is provided with a plurality of variable-frequency water pumps 3 which are distributed along the axis direction of the water outlet pipe 1 at intervals, the variable-frequency water pumps 3 are connected with the water outlet pipe 1 through pipelines, check valves 4 are connected in series on the pipelines between the variable-frequency water pumps 3 and the water outlet pipe 1, a water inlet of the variable-frequency water pumps 3 is connected with an air-cooled module unit 5 through the pipelines, a water inlet of the air-cooled module unit 5 is connected with the water return pipe 2 through the pipelines, a pressure sensor 6 is arranged on the side wall of the open end of the water outlet pipe 1 in a penetrating manner, a first temperature sensor 8 is arranged on the side wall of the open end of the water return pipe 2 in a penetrating manner.

Preferably, the frequency converter of the variable-frequency water pump 3, the pressure sensor 6, the first temperature sensor 8, the switch of the air cooling module unit 5 and the second temperature sensor 9 are respectively and electrically connected with a controller, and the controller can automatically control the air cooling heat pump air conditioning system to work.

Preferably, the water treatment device further comprises a pressure tank 10, wherein the pressure tank 10 is connected with the water outlet pipe 1 through a pipeline, and the pressure tank 10 is used for balancing the water quantity and the pressure in the water outlet pipe 1.

Preferably, the check valve 4 and the water outlet pipe 1 are connected in series with the overhaul ball valve 11, the ball body of the overhaul ball valve can be conveniently disassembled, parts are convenient to repair and replace, maintenance time is shortened, and maintenance cost is reduced ‌.

Preferably, the controller is a wire controller or a PLC, and the controller can also be a singlechip or a microcomputer.

Preferably, a third temperature sensor for detecting the water temperature in the pump is arranged on the variable-frequency water pump 3, the third temperature sensor is electrically connected with a controller, the controller is electrically connected with a switch of the variable-frequency water pump 3, and when the third temperature sensor detects that the water temperature in the pump is too high, the controller automatically controls the variable-frequency water pump 3 to be turned off.

When the air-cooled air conditioning system works, each group of air-cooled module groups 5 connected through pipelines and variable frequency water pumps 3 need to be simultaneously started or closed, namely, the number of the air-cooled module groups 5 which are determined to be started is the same as the number of the variable frequency water pumps 3 which need to be started, the rotating speed of the variable frequency water pumps 3 which need to be started is controlled through the frequency converter, so that the water pressure in the water outlet pipe 1 is constant, the water flow required by each variable frequency water pump 3 which needs to be started is enough, the alarm device can be prevented from being triggered, the air-cooled air conditioning system cannot be started again because of the automatic closing of the air-cooled module groups 5 is not caused, when the air-cooled air conditioning system works, the service life of each variable frequency water pump 3 is not required to be started, the fault rate of the variable frequency water pump 3 is reduced, and in winter, the variable frequency water pump 3 needs to be started only in order to start any variable frequency water pump 3, namely, the air-cooled air conditioning system has the characteristics of low energy consumption and low energy consumption.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (6)

1. An air-cooled heat pump air conditioning system, characterized in that it comprises an outlet pipe (1) with an opening at one end and a return pipe (2) with an opening at the other end, characterized in that: a plurality of variable frequency water pumps (3) are arranged on one side of the outlet pipe (1) and are spaced apart along the axial direction of the outlet pipe (1); the variable frequency water pump (3) is connected to the outlet pipe (1) through a pipeline; a check valve (4) is connected in series on the pipeline between the variable frequency water pump (3) and the outlet pipe (1); a water inlet of the variable frequency water pump (3) is connected to an air-cooled module unit (5) through a pipeline; a water inlet of the air-cooled module unit (5) is connected to a return pipe (2) through a pipeline; a pressure sensor (6) is provided on a side wall of the outlet pipe (1); a first temperature sensor (8) is provided on a side wall of the open end of the outlet pipe (1); and a second temperature sensor (9) is provided on a side wall of the open end of the return pipe (2). 2. The air-cooled heat pump air conditioning system according to claim 1, characterized in that the frequency converter of the variable frequency water pump (3), the pressure sensor (6), the first temperature sensor (8), the switch of the air-cooled module unit (5), and the second temperature sensor (9) are electrically connected to the controller respectively. 3. The air-cooled heat pump air conditioning system according to claim 1, characterized in that it further comprises a pressure tank (10), wherein the pressure tank (10) is connected to the water outlet pipe (1) through a pipeline. 4. The air-cooled heat pump air conditioning system according to claim 1, characterized in that a maintenance ball valve (11) is connected in series on the pipeline between the check valve (4) and the water outlet pipe (1). 5. The air-cooled heat pump air conditioning system according to claim 2, characterized in that the controller is a wired controller or a PLC. 6. The air-cooled heat pump air conditioning system according to claim 1, characterized in that: the variable frequency water pump (3) is provided with a third temperature sensor for detecting the water temperature in the pump, the third temperature sensor is electrically connected to the controller, and the controller is electrically connected to the switch of the variable frequency water pump (3).