CN210321285U

CN210321285U - Automatic water replenishing equipment for water circulation system of central air conditioner

Info

Publication number: CN210321285U
Application number: CN201921082112.0U
Authority: CN
Inventors: 王松松; 陈又新
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-14
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a central air conditioning water circulating system automatic water supply equipment, including cold water tower and water storage box, the bottom bolted connection of cold water tower has level sensor, and the preceding terminal surface of cold water tower installs the PLC controller, the preceding terminal surface fixedly connected with display screen and the liquid level switch of PLC controller, the liquid level switch is located display screen's below, the side of water storage box is connected with the connecting pipe, the one end fixedly connected with centrifugal pump of connecting pipe, the one end fixedly connected with conduit of centrifugal pump, the one end of conduit and the side fixed connection of cold water tower, PLC controller, centrifugal pump and level sensor electric connection. The utility model discloses, when the water yield is less than the default (the default is set for by the position liquid switch), the centrifugal pump with the timely supply in the water storage box pumped to the cold water tower, centrifugal pump stop work when reaching the default to reduce centrifugal pump operating time, practice thrift the electric energy, reach environmental protection efficiency.

Description

Automatic water replenishing equipment for water circulation system of central air conditioner

Technical Field

The utility model relates to a central air conditioning technical field specifically is a central air conditioning water circulating system automatic water supply equipment.

Background

The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner, and the air is intensively treated (such as a single machine, VRV) to achieve the comfort requirement. The principle of liquid gasification refrigeration is adopted to provide the required cold energy for the air conditioning system so as to offset the heat load of the indoor environment; the heating system provides the air conditioning system with the required heat to offset the indoor environment cooling and heating load. The water system of the water-cooled central air-conditioning system includes a cooling water system and a chilled water/hot water system (generally adopting a single pipe system, circulating chilled water in summer and hot water in winter). The air-cooled or air-cooled heat pump type only comprises a freezing/hot water system, and a circulating water system is an important part of a central air-conditioning system, so that automatic water replenishing equipment is required to be added to a cooling tower in time to ensure sufficient water source.

Traditional automatic water supply equipment often adopts the manual work to add, and the operation is comparatively loaded down with trivial details, and easily leads to adding the not good control of water yield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a central air conditioning water circulating system automatic water supply equipment aims at improving automatic water supply equipment and adopts the manual work to add often, and the operation is comparatively loaded down with trivial details, and easily leads to adding the problem of water capacity not good control.

The utility model discloses a realize like this:

the utility model provides a central air conditioning water circulating system automatic water supply equipment, includes cold water tower and water storage box, the bottom bolted connection of cold water tower has level sensor, and the preceding terminal surface of cold water tower installs the PLC controller, the preceding terminal surface fixedly connected with display screen and the liquid level switch of PLC controller, the liquid level switch is located the below of display screen, the side of water storage box is connected with the connecting pipe, the one end fixedly connected with centrifugal pump of connecting pipe, the one end fixedly connected with conduit of centrifugal pump, the one end of conduit and the side fixed connection of cold water tower, PLC controller, centrifugal pump and level sensor electric connection.

Furthermore, an amplifier, an A/D converter and an ARM processor are installed in the PLC, and the amplifier, the A/D converter and the ARM processor are electrically connected.

Furthermore, a damping base is installed at the bottom end of the centrifugal pump.

Furthermore, the connecting pipe is fixedly connected with a detachable filter tank.

Furthermore, the bolt in the detachable filter tank is connected with an active carbon filter layer and a filter cotton layer, and the filter cotton layer is positioned on one side of the active carbon filter layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses (1), there is level sensor through the bottom bolted connection of cold water tower, level sensor converts the static pressure into the signal of telecommunication, again through temperature compensation and linear correction, convert the standard signal of telecommunication and handle the analysis for the PLC controller, when the water yield is less than the default (the default is set for by the position liquid switch), the centrifugal pump with the timely supply in the water storage box pumped to the cold water tower, centrifugal pump stop work when reaching the default to reduce centrifugal pump operating time, practice thrift the electric energy, reach environmental protection efficiency.

(2) The filter tank can be dismantled through fixedly connected with on the connecting pipe, and can dismantle the bolt connection in the filter tank and have active carbon filter layer and filter cotton layer, and filter cotton layer and be located one side of active carbon filter layer, can carry out filtration treatment to impurity and peculiar smell in the pumping water, avoids causing the damage to each pipeline of cold water tower and central air conditioning.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the PLC controller of the present invention;

fig. 3 is a schematic view of the detachable filter tank structure of the present invention.

In the figure: 1. a cooling tower; 2. a water delivery pipeline; 3. a PLC controller; 4. a display screen; 5. a liquid level switch; 6. a liquid level sensor; 7. a centrifugal pump; 8. the filter tank can be disassembled; 9. a connecting pipe; 10. a water storage tank; 11. an amplifier; 12. A/D converter installation; 13. an ARM processor; 14. an activated carbon filter layer; 15. and (5) filtering the cotton layer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automatic water supply device of a central air-conditioning water circulation system comprises a cooling tower 1 and a water storage tank 10, wherein a liquid level sensor 6 is bolted at the bottom end of the cooling tower 1, the liquid level sensor 6 adopts a DATA-51 liquid level sensor, a PLC controller 3 is installed on the front end face of the cooling tower 1, a display screen 4 and a liquid level switch 5 are fixedly connected to the front end face of the PLC controller 3, the liquid level switch 5 is positioned below the display screen 4, a connecting pipe 9 is connected to the side face of the water storage tank 10, a centrifugal pump 7 is fixedly connected to one end of the connecting pipe 9, a water pipe 2 is fixedly connected to one end of the centrifugal pump 7, one end of the water pipe 2 is fixedly connected to the side face of the cooling tower 1, the PLC controller 3, the centrifugal pump 7 and the liquid level sensor 6 are electrically connected, the liquid level sensor 6 is bolted at the bottom end of the, and then, the water is converted into a standard electric signal through temperature compensation and linear correction and is processed and analyzed by the PLC 3, when the water amount is less than a preset value (the preset value is set by a liquid level switch), the centrifugal pump 7 pumps the water storage tank 10 into the cold water tower 1 for timely replenishment, and the centrifugal pump 7 stops working when the preset value is reached, so that the working time of the centrifugal pump 7 is shortened, the electric energy is saved, and the environment-friendly effect is achieved.

The PLC controller 3 is internally provided with an amplifier 11, an A/D converter 12 and an ARM processor 13, the amplifier 11, the A/D converter 12 and the ARM processor 13 are electrically connected, a detection signal is amplified by the amplifier 11, then the A/D converter 12 is converted into a digital signal to be processed and analyzed by the ARM processor 13, and water depth information is displayed on the display screen 4 to be convenient for people to observe.

The vibration damping base is installed to the bottom of centrifugal pump 7, installs vibration damping base through the bottom of centrifugal pump 7, can alleviate the vibration of centrifugal pump 7.

The connecting pipe 9 is fixedly connected with a detachable filter tank 8.

The bolt is connected with active carbon filter layer 14 and filter cotton layer 15 in can dismantling filter tank 8, and filter cotton layer 15 is located one side of active carbon filter layer 14, is connected with active carbon filter layer 14 and filter cotton layer 15 through dismantling filter tank 8 internal bolt, can carry out filtration treatment to pumping aquatic impurity and peculiar smell, avoids causing the damage to each pipeline of cold water tower 1 and central air conditioning.

The working principle is as follows: when the water replenishing device is used, the liquid level sensor 6 is connected to the bottom end of the cooling tower 1 through a bolt, the liquid level sensor 6 converts static pressure into an electric signal, the electric signal is processed and analyzed by the PLC 3 through temperature compensation and linear correction, the standard electric signal is converted into a standard electric signal, the level liquid is displayed on the display screen 4, people can conveniently observe the electric signal, when the water amount is smaller than a preset value (the preset value is set by the level liquid switch 5), the centrifugal pump 7 pumps the water storage tank 10 into the cooling tower 1 for timely replenishment, the centrifugal pump 7 stops working when the preset value is reached, so that the working time of the centrifugal pump 7 is shortened, the electric energy is saved, the side surface of the water storage tank 10 is connected with the connecting pipe 9, one end of the connecting pipe 9 is fixedly connected with the centrifugal pump 7, the connecting pipe 9 is fixedly connected with the detachable filter tank, the automatic water replenishing device can filter impurities and peculiar smell in pumping water, avoids damaging the cold water tower 1 and each pipeline of the central air conditioner, and improves the practicability of the automatic water replenishing equipment of the water circulation system of the central air conditioner.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic moisturizing equipment of central air conditioning water circulating system, includes cold water tower (1) and water storage box (10), its characterized in that: the bottom bolted connection of cold water tower (1) has level sensor (6), and the preceding terminal surface of cold water tower (1) installs PLC controller (3), preceding terminal surface fixedly connected with display screen (4) and position liquid switch (5) of PLC controller (3), position liquid switch (5) are located the below of display screen (4), the side of water storage box (10) is connected with connecting pipe (9), the one end fixedly connected with centrifugal pump (7) of connecting pipe (9), the one end fixedly connected with conduit (2) of centrifugal pump (7), the one end of conduit (2) and the side fixed connection of cold water tower (1), PLC controller (3), centrifugal pump (7) and level sensor (6) electric connection.

2. The automatic water replenishing equipment for the water circulation system of the central air conditioner according to claim 1, wherein an amplifier (11), an A/D converter (12) and an ARM processor (13) are installed in the PLC controller (3), and the amplifier (11), the A/D converter (12) and the ARM processor (13) are electrically connected.

3. An automatic water supply equipment of a water circulation system of a central air conditioner according to claim 1, characterized in that a vibration damping mount is installed at the bottom end of the centrifugal pump (7).

4. An automatic water supply equipment of a water circulation system of a central air conditioner according to claim 1, characterized in that a detachable filter tank (8) is fixedly connected to the connection pipe (9).

5. An automatic water supply equipment of a water circulation system of a central air conditioner according to claim 4, characterized in that the bolt is connected with an activated carbon filter layer (14) and a filter cotton layer (15) in the detachable filter tank (8), and the filter cotton layer (15) is positioned at one side of the activated carbon filter layer (14).